CN110150145A - A kind of tissue culture experiment cutter being convenient for changing cutter head - Google Patents

A kind of tissue culture experiment cutter being convenient for changing cutter head Download PDF

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Publication number
CN110150145A
CN110150145A CN201810293064.3A CN201810293064A CN110150145A CN 110150145 A CN110150145 A CN 110150145A CN 201810293064 A CN201810293064 A CN 201810293064A CN 110150145 A CN110150145 A CN 110150145A
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CN
China
Prior art keywords
cutter head
knife
cutter
box body
convenient
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CN201810293064.3A
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Chinese (zh)
Inventor
向丹
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Guangan Vocational and Technical College
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Guangan Vocational and Technical College
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Application filed by Guangan Vocational and Technical College filed Critical Guangan Vocational and Technical College
Priority to CN201810293064.3A priority Critical patent/CN110150145A/en
Publication of CN110150145A publication Critical patent/CN110150145A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H4/00Plant reproduction by tissue culture techniques ; Tissue culture techniques therefor
    • A01H4/003Cutting apparatus specially adapted for tissue culture

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Developmental Biology & Embryology (AREA)
  • Cell Biology (AREA)
  • Botany (AREA)
  • Environmental Sciences (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a kind of tissue culture experiment cutters for being convenient for changing cutter head, including knife handle and bit package;Knife handle includes knife handle ontology, the knife neck set on knife handle ontology top and cutter head unloading part, cutter head unloading part includes sliding block and the cutter head push rod connecting with sliding block, along the sliding slot for being axially arranged with accommodating sliding block on knife handle ontology, cutter head push rod extends to knife neck and is pasted on knife neck surface;Bit package includes box body, lid, horizontal bracket and cutter head, and cutter head includes die, blade and stripping needle, and box body and the retractable connection of lid, horizontal bracket is equipped with several cutter head jacks, and horizontal bracket horizontally suspends in box body;The bottom of cutter head is equipped with pedestal, and the bottom surface of pedestal is equipped with the first groove for being socketed knife neck.The tissue culture experiment for being convenient for changing cutter head is convenient for bit replacing with cutter, has saved the time to carry out disinfection to each cutter head, and meet the demand in experimentation to a variety of cutter heads.

Description

A kind of tissue culture experiment cutter being convenient for changing cutter head
Technical field
The present invention relates to Plant Tissue Breeding equipment technical field more particularly to a kind of tissue culture experiments for being convenient for changing cutter head Use cutter.
Background technique
Tissue culture technique refers to the isolated organ of plant (such as root, stem, leaf, stem under the aseptic condition artificially created Section, protoplast), tissue or cell be placed in culture medium, and be placed in suitable environment, it is thin to obtain to carry out continuous culture Born of the same parents, tissue or individual plants technology.This technology is widely used to the research of agricultural and biology, medicine.Tissue cultures Material is preferably taken from the just organs such as stem apex, the cusp of growth soon, with height splitting ability, and is preferably taken from stem apex, tooth The internal layer histocyte of the organs such as point turns out the group come because the chance of the histocyte virus infection of these internal layers is smaller Seedling is trained without virus, is appropriate for extensive secondary culture.
Currently, experimenter mainly uses scalpel when taking the organs such as stem apex, cusp, but the end of scalpel is essentially Blade, blade is although sharp, is easy to be sliced, but has stronger toughness because blade excessively piece is thin, carries out to hard rhizome Bending is easy during dissection, to influence the dissection process to hard rhizome.Meanwhile blade can not also be accomplished to fleshy fiber What is carried out is effectively peeled off, and limits interception range and the position of experimenter.In addition, not dirty to guarantee when scalpel is taken every time Microorganism is contaminated, the sterilization that carries out disinfection by alcohol calcination is required, the blade after calcination also needs to wait until to be cooled to room temperature can It carries out cutting plant tissue, avoids being infected with microorganism on cutter head after having taken, it is still desirable to carry out calcination sterilizing, disinfection is killed Bacterium process is time-consuming and laborious, has seriously dragged slowly experiment process.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of tissue culture experiments for being convenient for changing cutter head It is single to solve purposes existing for existing tissue culture experiment cutter with cutter, be unable to satisfy experimenter to plant roots and stems into Row is chopped off, is sliced and the problem of the work such as removing is reeled off raw silk from cocoons;Meanwhile the tissue culture experiment for being convenient for changing cutter head also can be carried out with cutter Cutter head is replaced, without carrying out disinfection sterilizing to cutter head one by one, has saved time and efforts.
The purpose of the present invention adopts the following technical scheme that realization:
A kind of tissue culture experiment cutter being convenient for changing cutter head, including knife handle and bit package;
The knife handle includes knife handle ontology, the knife neck set on knife handle ontology top and cutter head unloading part, and the cutter head is de- Inloading part includes sliding block and the cutter head push rod connecting with sliding block, and edge is axially arranged with the sliding slot of accommodating sliding block, institute on the knife handle ontology Cutter head push rod is stated to extend to knife neck and be pasted on knife neck surface;
When sliding block slides into close knife neck one end of sliding slot, cutter head push rod is concordant with knife neck or stretches out outside knife neck;
The bit package includes box body, lid, horizontal bracket and cutter head, and the cutter head includes die, blade and stripping needle, The box body and the retractable connection of lid, the horizontal bracket are equipped with several cutter head jacks, and horizontal bracket horizontally suspend in In box body;
The bottom of the cutter head is equipped with pedestal, and the bottom surface of the pedestal is equipped with the first groove for being socketed knife neck;
When the cutter head passes through cutter head jack, corresponding pedestal is connected at cutter head jack.
Further, the knife handle further includes reset spring, and one end of the reset spring and the tail end of sliding slot connect, institute The other end for stating reset spring is connect with sliding block;
When cutter head push rod is concordant with knife neck or stretches out outside knife neck, reset spring is in tensional state.
Further, the top of the cutter head push rod is equipped with annular abutment, and the annular abutment is wound in knife neck On lateral surface;
When sliding block slides along the chute, the annular abutment is slided relative to knife neck.
Further, the sliding block is equipped with opening backwards to the arc skid resistance strip of knife neck, and the knife handle ontology is equipped with The arc skid resistance strip being open towards knife neck.
Further, the side of the box body and the side of lid are hinged, and the opposite other side of the box body is equipped with convex block, Retaining ring is correspondingly provided on the lid;
When box body and cover cap close, the convex block passes through retaining ring.
Further, the side of the box body and the side of lid are hinged, and the opposite other side of the box body is equipped with card slot, Grab is correspondingly provided on the lid;
When box body and cover cap close, the grab hooks card slot.
Further, the cutter head jack includes the central accommodating hole for accommodating cutter head and second for being clamped pedestal Groove, the center accommodating hole are opened on the bottom surface of the second groove;
When cutter head passes through central accommodating hole, corresponding pedestal is connected in the second groove.
Further, temperature detector and display are additionally provided on the knife handle ontology;
The temperature detector is used for the air themperature under test experience environment, and the display is detected for displays temperature The temperature value that device detects.
Further, the end of the knife handle ontology is additionally provided with hanging hole.
Further, electronic timer is additionally provided on the knife handle ontology, the electronic timer is for showing the time;
When reaching the time of setting, the electronic timer issues " drop drop " sound.
Compared with prior art, the beneficial effects of the present invention are:
A kind of tissue culture experiment cutter for being convenient for changing cutter head of the present invention, including knife handle and bit package.
Knife handle includes knife handle ontology, the knife neck set on knife handle ontology top and cutter head unloading part, and cutter head unloading part includes Sliding block and the cutter head push rod being connect with sliding block, along the sliding slot for being axially arranged with accommodating sliding block on knife handle, thus, it is possible to be existed by sliding block It slides axially to slide axially with dynamic cutter head push rod in sliding slot.Cutter head push rod is extended at knife neck and is pasted on outside knife neck Surface, as a result, when cutter head push rod slides axially, cutter head push rod carries out axial fortune relative to knife neck in knife neck outer surface It is dynamic, to play the role of the cutter head unloading that will be socketed at knife neck.When sliding block slides into close knife neck one end of sliding slot, sliding slot Position-limiting action limitation cutter head push rod further to one Slideslip of knife neck, at this point, cutter head push rod is concordant with knife neck or stretching knife Outside neck, it is ensured that cutter head push rod gets off the cutter head being socketed with knife neck from unloading from knife neck, convenient for the tissue culture with experiment knife handle into Row bit replacing has saved the time to carry out disinfection to each cutter head, and meet in experimentation to a variety of cutter heads Demand.
Bit package includes box body, lid, horizontal bracket and cutter head, and cutter head includes die, blade and stripping needle, wherein box Body and the retractable connection of lid, to cover conjunction or open box body, horizontal bracket horizontally suspends in box body lid, and horizontal branch Frame is equipped with several cutter head jacks, and cutter head jack is used to support cutter head.When cutter head is inserted in cutter head jack, cutter head horizontal pendulum It is put in box body.The bottom of cutter head is equipped with pedestal, and the first groove for being socketed knife neck is correspondingly provided on the bottom surface of pedestal.When When cutter head is passed through cutter head jack, the corresponding pedestal of cutter head is connected at cutter head jack, and cutter head is thus fixed on cutter head jack In, and pedestal (i.e. the first groove) is upward.It, can be recessed by the way that knife neck set is connected to first when experimenter needs to take cutter head In slot, being detachably connected for cutter head and knife handle is realized, experimenter is facilitated to replace cutter head.It is also possible to which cutter head concentration is put It is placed in cutter head jack, covers lid, thus to the disposable high-temperature sterilization of the cutter head of whole box, when experiment is not necessarily to independent calcination repeatedly Sterilizing, is greatly saved operating process and the time of experiment, in addition, the enclosure space of box body and lid composition ensure that cutter head not It is contaminated, convenient transportation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the knife handle for the tissue culture experiment cutter that the present invention is convenient for changing cutter head;
Fig. 2 is the structure schematic diagram of knife handle shown in Fig. 1;
Fig. 3 is the structural schematic diagram of the bit package for the tissue culture experiment cutter that the present invention is convenient for changing cutter head;
Fig. 4 is the structural schematic diagram of cutter head;
Fig. 5 is the structural schematic diagram of blade shown in Fig. 4;
Fig. 6 is the structural schematic diagram of the bit package for the tissue culture experiment cutter that another kind is convenient for changing cutter head.
In figure: 10, knife handle ontology;11, sliding slot;12, reset spring;13, temperature detector;14, display;15, it hangs Hole;16, electronic timer;20, knife neck;30, cutter head unloading part;31, sliding block;311, the first arc skid resistance strip;312, second Arc skid resistance strip;32, cutter head push rod;321, annular abutment;40, cutter head;41, die;42, blade;43 stripping needles;44, Pedestal;45, the first groove;110, box body;120, lid;130, horizontal bracket;131, cutter head jack;1311, central accommodating hole; 1312, the second groove;161, convex block;162, retaining ring;163, card slot;164, grab.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination Example.
The tissue culture experiment cutter for being convenient for changing cutter head includes knife handle and bit package.As shown in Figs. 1-2, knife handle includes knife Handle ontology 10, the knife neck 20 set on 10 top of knife handle ontology and cutter head unloading part 30, cutter head unloading part 30 include 31 He of sliding block The cutter head push rod 32 being connect with sliding block 31.In the present embodiment, sliding block 31 and cutter head push rod 32 are integrally formed.In other embodiments In, sliding block 31 and cutter head push rod 32 are also possible to clamping or other connection types.Edge, which is axially arranged with, on knife handle ontology 10 is used for The sliding slot 11 of sliding block 31 is accommodated, sliding block 31 can carry out axial (i.e. left and right directions) sliding with along the chute 11.In the present embodiment, sliding The both sides of the edge of slot 11 are equipped with towards what 11 middle position of sliding slot extended and embrace wrench structure, and the bottom of sliding block 31 is correspondingly provided with a pair of of card Tongue.When assembling, in a pair of of block tongue insertion sliding slot 11, and the distance between end of a pair of of block tongue be greater than two sides embrace between pincers away from From.It embraces pincers by a pair as a result, to stick into a pair of of block tongue in sliding slot 11, sliding block 31 is only capable of sliding axially relative to sliding slot 11 And sliding slot 11 can not be detached from.Cutter head push rod 32 extends to knife neck 20 and is pasted on 20 surface of knife neck.As a result, when sliding block 31 relative to When sliding slot 11 slides axially, band dynamic cutter head push rod 32 axially moves along knife handle ontology 10 (does axial direction relative to knife neck 20 Movement), when sliding block 31 slides into the left end of sliding slot 11, at this point, sliding block 31 can not continue Slideslip to the left, cutter head push rod 32 It is concordant with the left end of knife neck 20.Thus, it is ensured that the cutter head 40 being socketed with knife neck 20 got off from unloading on knife neck 20 completely, It facilitates experimenter and replaces cutter head 40, replaced after being sterilized by concentration to numerous cutter heads 40, avoid reality It tests personnel individually to sterilize to cutter head 40 complicated procedures of (for example, by alcolhol burner calcination), also saves a large amount of time. In other embodiments, when sliding block 31 slides into the left end of sliding slot 11, cutter head push rod 32 is also possible to stretch out outside knife neck 20, For example, the about 5mm of knife neck 20 is stretched out on the top of cutter head push rod 32, cutter head 40 can equally be got off from unloading on knife neck 20 completely.
As in Figure 3-5, which includes box body 110, lid 120, horizontal bracket 130 and cutter head 40.Cutter head 40 wraps Include die 41, blade 42 and stripping needle 43.Box body 110 and the retractable connection of lid 120, thereby it is ensured that according to experimenter Needs can open lid 120, so that filling cutter head 40 into box body 110 either covers lid 120, thus convenient to use Cutter head 40 is focused in box body 110 and carries out concentration sterilizing to cutter head 40 by person.Horizontal bracket 130 is equipped with several cutter head jacks 131, and horizontal bracket 130 horizontally suspends in box body 110, wherein cutter head jack 131 is for accommodating cutter head 40.Cutter head 40 Bottom is equipped with pedestal 44, and pedestal 44 is connect with cutter head 40, and first for being socketed knife neck 20 is additionally provided on the bottom surface of pedestal 44 Groove 45.Before experiment, first cutter head 40 can be installed in cutter head jack 131, cutter head 40 passes through cutter head jack 131 in turn at this time It extend into box body 110, the corresponding pedestal 44 of cutter head 40 is connected at cutter head jack 131, fixes knife by cutter head jack 131 First 40 and first groove 45 it is opening up.Lid 120 is covered, and entire bit package (including lid 120) is wrapped up in newspaper and is tied up It is good, it is put into autoclave and carries out disposable high-temperature sterilization.When experiment, entire bit package can be put into superclean bench, be torn open It opens newspaper and opens lid 120, when needing to take any cutter head 40, for example, taking die 41, blade 42 or stripping needle When 43, it is only necessary to hold knife handle ontology 10 and knife neck 20 is inserted into the first groove 45 of corresponding cutter head 40, as a result, knife First 40 are socketed on knife neck 20, complete the assembling process of cutter.When needing replacing cutter head 40, can also will be socketed on knife neck 20 Cutter head 40 lay down, the cutter head 40 laid down uniformly is placed in pail for used dressings, while the knife neck 20 being exposed being reinserted In first groove 45 of the cutter head 40 needed replacing, the replacement process of cutter head 40 is completed.It, can be by pail for used dressings after experiment is completed In cutter head 40 clean and be re-installed in the cutter head jack 131 of box body 110, uniformly sterilize, give over to next use.It is logical It crosses and carries out cutter head 40 unify in installation, sterilizing and experimentation according to demand selectively by die 41, blade 42 and removing One of needle 43 is socketed on knife neck 20 or lays down from knife neck 20, has both met in experimenter's experimentation to a variety of The demand of cutter such as die 41, blade 42 and stripping needle 43 is replaced different cutter heads 40 by a knife handle ontology 10 and is realized " a knife multipotency ";Simultaneously as cutter head 40 is installed on the enclosure space (bit package) that box body 110 and lid 120 form and passes through It goes through unification to sterilize, in experimentation, for experimenter without carrying out calcination sterilizing one by one to cutter head 40 repeatedly, time consumption of experimental process is big Big reduction.
As preferred embodiment, as shown in Figure 1, the knife handle further includes reset spring 12, the right end of reset spring 12 It being connect with the right end of sliding slot 11, the left end of reset spring 12 is connect with sliding block 31, in the present embodiment, the left end of reset spring 12 Hook sliding block 31.When reset spring 12 is under normal condition, the middle position that sliding block 31 is in sliding slot 11 is either intermediate inclined Right position, at this point, the left end of cutter head push rod 32 is in the intermediate fragment position (without departing from the top of knife neck 20) of knife neck 20, no It influences knife neck 20 and is socketed cutter head 40.When by sliding block 31 along the chute 11 slide into the left end of sliding slot 11 when, at this point, reset spring 12 In tensional state, cutter head push rod 32 is concordant with knife neck 20, thus pushes away the cutter head 40 being socketed on knife neck 20 to the left, thus real Existing cutter head 40 and the de- connection of knife neck 20.When unclamping sliding block 31 or cutter head push rod 32, under the pulling force effect of reset spring 12, Cutter head push rod 32 restores to original position (i.e. the intermediate fragment position of knife neck 20 is shown in the location of cutter head push rod 32 in Fig. 1), is convenient for Carry out socket cutter head 40 in next step.
As preferred embodiment, as shown in Fig. 2, the top of cutter head push rod 32 is equipped with annular abutment 321, annular is supported Socket part 321 is wound on the lateral surface of knife neck 20.Knife neck 20 is wound by annular abutment 321, prevents the top of cutter head push rod 32 Knife neck 20 is deviateed at end, ensure that cutter head push rod 32 is pasted on 20 surface of knife neck (position including closely knife neck 20) always.Work as cunning Along the chute 11 when sliding axially, annular abutment 321 slides block 31 relative to knife neck 20, by annular abutment 321 by cutter head 40 release (i.e. cutter head 40 gets off from unloading on knife neck 20), and more evenly, the unloading process of cutter head 40 is more easy, laborsaving for stress.
As preferred embodiment, as shown in Figure 1, sliding block 31 is anti-skidding backwards to the first arc of knife neck 20 equipped with opening Striped 311, when sliding block 31 to the left, Arc stripe on sliding block 31 because of opening direction and thrust direction antithesis, As a result, the contact surface of sliding block 31 has bigger coefficient of friction, convenient for users to pushing sliding block 31 to 20 side of knife neck (i.e. the process of unloading cutter head 40).Similarly, as shown in Fig. 2, knife handle ontology 10 is equipped with second arc of the opening towards knife neck 20 Skid resistance strip 312.As a result, by the second arc skid resistance strip 312 being set on knife handle ontology 10, knife handle can be preferably held Ontology 10 slides convenient for sliding block 31 relative to knife handle ontology 10.
As preferred embodiment, as shown in figure 3, a side (upside of box body 110 in Fig. 3 at 110 top of box body Side) it is hinged with the lower side of 120 bottom of lid, lid 120 is overturn relative to box body 110 realizes that opening or lid close box Body 110.The another side opposite with hinged place (i.e. that face of face when box body 110 in opening Fig. 3) is equipped on box body 110 Convex block 161, correspondingly, lid 120 is equipped with retaining ring 162.In the present embodiment, convex block 161 is rectangular, and retaining ring 162 is equipped with With the matched square openings of 161 size of convex block, and retaining ring 162 and lid 120 are hinged.When the lid of lid 120 closes on box body 110 When, by rotating retaining ring 162, so that convex block 161 passes through the square openings of retaining ring 162, closed as a result, by the lid of lid 120 The enclosure space that accommodating a horizontal bracket 130 and cutter head 40 are formed on box body 110, conveniently cutter head 40 is stored, is sterilized, It transports and puts.
As preferred embodiment, cutter head jack 131 as described in Figure 1 includes the central accommodating hole for accommodating cutter head 40 1311 and the second groove 1312 for being clamped pedestal 44, wherein central accommodating hole 1311 connects with the second groove 1312.? In the present embodiment, central accommodating hole 1311 is vertically arranged, and the head of central accommodating hole 1311 extends to the bottom of box body 110 (not being pierced by the bottom surface of box body 110), central accommodating hole 1311 are opened on the bottom surface of the second groove 1312.When by cutter head 40 when being fitted into cutter head jack 131, and cutter head 40 is first passed through the second groove 1312 and is further inserted into central accommodating hole 1311 In, at this point, the corresponding pedestal 44 of cutter head 40 is connected in the second groove 1312 because that can not be inserted into central accommodating hole 1311.By This, realizes cutter head 40 being fixed on box body 110, and knife neck 20 is facilitated to take cutter head 40.
As preferred embodiment, as shown in Figs. 1-2, temperature detector 13 and display are additionally provided on knife handle ontology 10 14.Wherein, temperature detector 13 is extended out from knife handle ontology 10 for the air themperature under test experience environment.Due to knife Handle using when 20 side of knife neck be generally proximal to alcolhol burner, by extending to the temperature detector in air from knife handle ontology 10 13, influence of the heat that can be good at evading alcolhol burner to temperature detector 13 enables temperature detector 13 cleverer The quick true temperature for detecting air.Display 14 is used for the temperature value that displays temperature detector 13 detects, is easy to use Air themperature under the real-time monitoring operation environment of person increases the survival rate of tissue culture tissue to regulate and control to operating environment Or germination rate.
As preferred embodiment, as shown in Figure 1, the end of knife handle ontology 10 is additionally provided with hanging hole 15.It tests as a result, In operating process, when need to shelve in experimentation the tissue culture experiment knife handle when, can by hanging hole 15 by knife handle (including Cutter head 40) it hangs in the air, convenient for users to taking knife handle back and forth, avoid because knife handle is placed on table top (experimental bench Face tends not to keep clean, such as plant crust or other plant overburdens are piled up in or fall on experiment table top and make At pollution) and need repeatedly to carry out disinfection processing to the knife handle.
As preferred embodiment, as shown in Fig. 2, being additionally provided with electronic timer 16, electric time-keeping on knife handle ontology 10 Device 16 is for showing the time.It time known when testing that can be apparent when experimenter tests as a result, keeps away Exempt from experimenter and opens wrist-watch (or the instrument with clocking capability such as mobile phone) increased contamination probability of institute repeatedly.Having In the embodiment of body, electronic timer 16 also has the function of alarm clock, when experimenter sets the regular hour, for example, Carry out disinfection to the plant vasular beam tissue being stripped out and handle 5min, when treated between when reaching 5min, electronic timer 16 " drop drop " sound can be issued, reminds experimenter that processing has timed out, facilitates experimenter to the control of time, when preventing processing Between not enough cause pollute or handle overlong time cause tissue that can not sprout into callus.
Embodiment 2
Embodiment 2 difference from example 1 is that: as shown in fig. 6, a side (box in Fig. 6 at the top of box body 110 The upper side edge of body 110) it is hinged with the lower side of 120 bottom of lid, lid 120 is realized relative to the overturning of box body 110 and is beaten It opens or covers and close box body 110.(i.e. face when box body 110 in opening Fig. 5 of the another side opposite with hinged place on box body 110 That face) it is equipped with card slot 163, correspondingly, lid 120 is equipped with grab 164.Rotation lid 120 is covered on lid 120 When on box body 110, grab 164 hooks downwards card slot 163, is closed by the lid of lid 120 form an appearance on box body 110 as a result, The enclosure space of horizontal bracket 130 and cutter head 40 is set, it is convenient that cutter head 40 is stored, sterilized, transported and put.
Embodiment 3
In embodiment 3, the cross section of knife neck 20 is round, rectangular or oval, the first groove 45 of cutter head 40 Cross section also mutually should be round, rectangular or oval, equally have the function of being socketed knife neck 20 and cutter head 40.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto, The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention Claimed range.

Claims (10)

1. a kind of tissue culture experiment cutter for being convenient for changing cutter head, which is characterized in that including knife handle and bit package;
The knife handle includes knife handle ontology, the knife neck set on knife handle ontology top and cutter head unloading part, the cutter head unloading part Including sliding block and the cutter head push rod being connect with sliding block, along the sliding slot for being axially arranged with accommodating sliding block, the knife on the knife handle ontology Head push rod extends to knife neck and is pasted on knife neck surface;
When sliding block slides into close knife neck one end of sliding slot, cutter head push rod is concordant with knife neck or stretches out outside knife neck;
The bit package includes box body, lid, horizontal bracket and cutter head, and the cutter head includes die, blade and stripping needle, described Box body and the retractable connection of lid, the horizontal bracket is equipped with several cutter head jacks, and horizontal bracket is horizontally suspended in box body In;
The bottom of the cutter head is equipped with pedestal, and the bottom surface of the pedestal is equipped with the first groove for being socketed knife neck;
When the cutter head passes through cutter head jack, corresponding pedestal is connected at cutter head jack.
2. being convenient for changing the tissue culture experiment cutter of cutter head as described in claim 1, which is characterized in that the knife handle further includes Reset spring, one end of the reset spring and the tail end of sliding slot connect, and the other end of the reset spring is connect with sliding block;
When cutter head push rod is concordant with knife neck or stretches out outside knife neck, reset spring is in tensional state.
3. being convenient for changing the tissue culture experiment cutter of cutter head as claimed in claim 2, which is characterized in that the cutter head push rod Top is equipped with annular abutment, and the annular abutment is wound on the lateral surface of knife neck;
When sliding block slides along the chute, the annular abutment is slided relative to knife neck.
4. being convenient for changing the tissue culture experiment cutter of cutter head as claimed in claim 3, which is characterized in that the sliding block is equipped with Opening is backwards to the arc skid resistance strip of knife neck, and the knife handle ontology is equipped with the arc skid resistance strip being open towards knife neck.
5. being convenient for changing the tissue culture experiment cutter of cutter head as described in claim 1, which is characterized in that the side of the box body Hinged with the side of lid, the opposite other side of the box body is equipped with convex block, is correspondingly provided with retaining ring on the lid;
When box body and cover cap close, the convex block passes through retaining ring.
6. being convenient for changing the tissue culture experiment cutter of cutter head as described in claim 1, which is characterized in that the side of the box body Hinged with the side of lid, the opposite other side of the box body is equipped with card slot, is correspondingly provided with grab on the lid;
When box body and cover cap close, the grab hooks card slot.
7. being convenient for changing the tissue culture experiment cutter of cutter head as claimed in claim 6, which is characterized in that the cutter head jack packet The central accommodating hole for accommodating cutter head and the second groove for being clamped pedestal are included, the opening of the center accommodating hole is opened in On the bottom surface of second groove;
When cutter head passes through central accommodating hole, corresponding pedestal is connected in the second groove.
8. such as the described in any item tissue culture experiment cutters for being convenient for changing cutter head of claim 1-7, which is characterized in that the knife Temperature detector and display are additionally provided on handle ontology;
The temperature detector is used for the air themperature under test experience environment, and the display is examined for displays temperature detector The temperature value measured.
9. being convenient for changing the tissue culture experiment cutter of cutter head as claimed in claim 8, which is characterized in that the knife handle ontology End is additionally provided with hanging hole.
10. being convenient for changing the tissue culture experiment cutter of cutter head as claimed in claim 9, which is characterized in that the knife handle ontology On be additionally provided with electronic timer, the electronic timer is for showing the time;
When reaching the time of setting, the electronic timer issues " drop drop " sound.
CN201810293064.3A 2018-03-30 2018-03-30 A kind of tissue culture experiment cutter being convenient for changing cutter head Pending CN110150145A (en)

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