KR101056075B1 - Lens control lever mounting structure of surveillance camera - Google Patents

Abstract

The present invention relates to a lens adjustment lever mounting structure of a surveillance camera, the present invention is a rubber knob of the elastic body to the existing lever screwed to the focusing ring and the distance adjusting ring for adjusting the focus and distance of the camera lens installed inside the housing. And a guide hole through which the lever moves to the existing printed circuit board so that the rubber handle coated on the lever can stably maintain the focus and distance of the camera lens adjusted by the frictional force contacting the guide hole of the printed circuit board. It provides convenience and economics of coordination.
In addition, the present invention is able to maintain a more stable focus and distance of the camera lens adjusted through the increase of the friction by wrapping a separate rubber tube in the guide hole in contact with the rubber handle coated on the lever.

Description

Lens adjusting lever of monitering camera

The present invention relates to a lens adjustment lever mounting structure of a surveillance camera, and more particularly, a lens of a surveillance camera having an improved structure so that the focus and distance of a camera lens installed inside a housing can be easily adjusted through a lever. The control lever mounting structure.

In general, surveillance cameras are installed in various places such as general homes, business buildings, and factories, and are used for various purposes such as crime prevention, crime prevention, and observation. And adjust the distance. The focus and distance adjustment of the lens is made possible by matching the focus and distance of a desired image while moving the lens back and forth by rotating the focusing ring and the distance adjusting ring, and the image is captured by the adjustment.

Rotating the focus ring and the distance control ring of the lens to adjust the focus and distance so that the subject can be photographed clearly registered utility model No. 20-0338396 (Application No. 20-2003-0017951) " Lens adjuster of waterproof housing for underwater camera "and Registration Utility Model No. 20-0382143 (Application No. 20-2005-0002789)" CCTV camera with adjustable focal focal length and distance from outside "and Registration Utility Model No. 20 -0413302 (Application No. 20-2006-0001330) "Focus and Zoom Control Structure of Surveillance Camera" and Registration Utility Model No. 20-0442315 (Application No. 20-2007-0009161) Focusing device "has been proposed.

The components of the adjusting device for adjusting the focus and distance of the surveillance camera lens are configured by connecting the gears to the rotating shaft so that the bevel gear or the spur gear mounted on the circumferential surface of the focusing ring and the distance adjusting ring itself or separately mounted can be adjusted from the outside. And the adjustment of the distance is good, but in its configuration, excessive investment in the mold cost for the production of the bevel gear and the spur gear is required, there is a problem that the support structure for the meshing of the gear of the rotary shaft is very complicated.

In addition, Patent No. 10-0683623 (Application No. 10-2006-0052846) "lens control device of the surveillance camera" that is one of the adjustment device for adjusting the focus and distance of the surveillance camera lens using the gear method is to adjust the focus Ring and distance control ring can be adjusted remotely by adding an electric motor to the rotating shaft that rotates the periphery itself or separately installed bevel gears or spur gears. Since adjustment is unnecessary except when installing to photograph a subject approaching a predetermined position and resetting the shooting distance, there is a disadvantage in that the product price is high due to an increase in manufacturing cost due to the addition of an expensive electric motor.

In addition, Patent Document No. 10-0647267 (Application No. 10-2004-0016861), which is one of the adjusting device for adjusting the focus and the distance of the surveillance camera lens using the gear system "The focusing device of the surveillance camera" is a lens. A casing member having a mounted barrel is provided with a lag gear, and a knob member having a pinion engaged with the lag gear, and when the lag gear is moved by the rotation of the pinion, the casing member moves to adjust the focus and distance of the lens. As a configuration, the sliding structure of the casing member having a lens by the operation of the leg gear and the pinion is very complicated, there is a disadvantage that the manufacturing cost and product price is expensive.

Therefore, the present invention is to solve the above-mentioned conventional problems, an object of the present invention is the rubber of the elastic body to the existing lever screwed to the focusing ring and the distance control ring for adjusting the focus and distance of the camera lens installed inside the housing The handle is covered, and a guide hole for moving the lever is provided in an existing printed circuit board, so that the rubber handle coated on the lever stably adjusts the focus and distance of the camera lens adjusted by the frictional force that contacts the guide hole of the printed circuit board. It is to provide a lens control lever mounting structure of the surveillance camera having the convenience and economy of adjustment to maintain.

In addition, an object of the present invention is to wrap a separate rubber tube in the guide hole in contact with the rubber handle coated on the lever to increase the friction force of the lens of the surveillance camera that can maintain the focus and distance of the adjusted camera lens more stably To provide a control lever mounting structure.

An object of the present invention described above has a housing, a lens having a focusing ring and a distance adjusting ring disposed inside the housing, and a printed circuit board equipped with a circuit unit for converting an image photographed from the lens into a signal. A lens adjustment lever mounting structure of a surveillance camera comprising a camera module and a lever fastened to the circumferential surfaces of the focusing ring and the distance adjusting ring and having a screw portion formed at a lower end thereof to adjust focus and distance, wherein the lever of the lever is positioned upward. An uneven portion and a ring groove formed in an extended body length direction or a horizontal direction; A rubber handle formed to cover the body of the lever to form a locking jaw at the top; It is achieved by the lens control lever mounting structure of the surveillance camera, characterized in that made by drilling a guide hole for penetrating the rubber handle to the printed circuit board so that the surface of the rubber handle is in close contact with each other when moving in the rotational direction of the lever.

" 형태의 고무튜브를 마련하여 고무튜브와 상기 레버에 피복된 고무손잡이의 표면이 접촉되어 마찰력이 더욱 증대되도록 하는 감시카메라의 렌즈 조절레버 장착구조에 의하여 달성된다. In addition, an object of the present invention is to form fitting grooves on both sides of the flat portion between the guide hole and the guide hole of the printed circuit board, and the lower part is opened so as to be fitted while wrapping the flat portion and the fitting groove.

It is achieved by the lens control lever mounting structure of the surveillance camera to provide a rubber tube of the "form to contact the rubber tube and the surface of the rubber handle coated on the lever to further increase the friction force.

According to the present invention, the focus and distance adjustment of the camera lens is maintained by the frictional force of the rubber handle coated on the lever before moving by applying force while moving in the guide hole provided in the extended portion of the printed circuit board. It provides the convenience of adjustment, and its configuration is very simple, so the low cost of parts and the simple assembly process can improve the economics of the product, and the rubber handle of the lever comes into contact with the rubber tube to increase the frictional force. By doing so, it is possible to more stably maintain the setting position of the focus and distance of the lens.

1 is a perspective view of a surveillance camera coupled to the lens adjustment lever mounting structure of the surveillance camera according to the present invention.
Figure 2 is a bottom perspective view of the lens adjustment lever mounting structure of the surveillance camera according to the present invention.
Figure 3 is a longitudinal cross-sectional view showing a part of the lens adjustment lever mounting structure of the surveillance camera according to the present invention.
4 (A), (B) and (C) are enlarged cross sectional and longitudinal sectional views of a lever of a lens control lever mounting structure of a surveillance camera according to the present invention;
Figure 5 is an exploded perspective view showing a state in which the rubber tube is covered with another embodiment of the lens adjustment lever mounting structure of the surveillance camera according to the present invention.
Figure 6 is an enlarged cross-sectional view of the main portion of the engaged state of FIG.
FIG. 7 is a plan view in which a portion of the coupling state of FIG. 5 is cut and enlarged. FIG.
8 is an enlarged cross-sectional view illustrating a state in which the rubber tube of FIG. 5 is covered.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 are a perspective view of the bottom of the camera module coupled to the lens adjustment lever mounting structure of the surveillance camera and the lens adjustment lever mounting structure of the surveillance camera according to the present embodiment, 1 is a housing, 2 is a lens, 3, 3 'is a lever, 4 is a rubber handle, 5 is a printed circuit board, 6 is a camera module, and the housing 1 is mounted with the camera module 6 at the bottom or rear and the lens The cover is assembled to be waterproof through conventional sealing rubber rings or gaskets so that the focus can be adjusted.

The lens adjustment lever mounting structure of the present invention is a rod-shaped screw screwed to the focusing ring 21 and the distance control ring 22 of the lens 2 of the camera module 6 components disposed inside the housing (1) A guide hole 51 formed by extending the printed circuit board 5 so that the rubber handle 4 coated on the levers 3 and 3 'and the rubber handle 4 are in contact with each other to generate frictional force. Are made to be in contact with each other.

The levers 3 and 3 'are formed with threaded portions 31 and 31' at the lower end thereof so as to be fastened to the circumferential surfaces of the focusing ring 21 and the distance adjusting ring 22 and the levers 3 and 3 '. The focus and distance of the lens 2 are adjusted so that the subject can be clearly photographed by rotating the image, and the image captured by the lens 2 is transferred to the circuit unit 61 of the printed circuit board 5 and converted into a signal. To the main computer or the image reproducing apparatus.

In addition, in the longitudinal direction of the body (32, 32 ') extending in the upper side of the threaded portion (31, 31') of the lever (3, 3 '), unevenness is formed at equal intervals as shown in Figure 4 (A), (B) The portions 33 and 33 'may be formed or the ring groove 34 may be further added in the horizontal direction. The uneven parts 33 and 33 'and the ring grooves 34 formed on the bodies 32 and 32' serve to maintain a fixed state after the rubber handle 4 to be described later is coated.

The rubber handle 4 has elasticity and frictional force to form a locking jaw 41 at the top while being coated on the bodies 32 and 32 'of the levers 3 and 3'. That is, the rubber handle 4 is molded separately and is covered with the bodies 32 and 32 'of the levers 3 and 3' to form the uneven parts 33 and 33 'and the ring grooves formed in the bodies 32 and 32'. The inner side is in close contact with 34 to maintain a fixed state, or the rubber handle 4 is formed by coating the body 32 and 32 'itself of the levers 3 and 3'. In addition, the length of the rubber handle 4 is a guide hole 51, 51 provided in the printed circuit board 5 to be described later when the lever (3, 3 ') is rotated to adjust the focus and distance of the lens (2) The length is larger than that of the part contacting '). And the locking jaw 41 formed on the upper end of the rubber handle (4) is to grip or adjust the position of the lever (3, 3 ') to serve to accurately touch the finger without slipping when contacting. In addition, since the rubber handle 4 is disposed inside the housing 1, there is no significant effect on the external environment such as ultraviolet rays, so the oxidation phenomenon is small, but the tensile strength, rebound elasticity, and cold resistance can be used for a long time such as the life of the camera. It is preferable to use this excellent natural rubber, and synthetic rubber such as silicone rubber which prevents oxidation can be used.

On the other hand, the printed circuit board 5 extends more than the operating space of the lever (3, 3 ') for adjusting the focus and distance of the lens 5, the rubber handle (coated on the lever (3, 3') ( 4) The guide holes 51 and 51 ', which form a space width of 0.1 to 1 mm smaller than the diameter of the rubber handle 4, are drilled so that the contact surface is compressed and movable. The surface of the rubber handle 4 coated on the levers 3 and 3 'generates a frictional force in the state of being fitted into the guide holes 51 and 51' to maintain the stop state, and when guided by an artificial force, the guide hole (51, 51 ') is moved while being in contact with the artificial force is removed and the static state is maintained stably by the friction force and elastic force of the rubber handle (4) itself.

" 형태의 고무튜브(7)를 별도로 성형하여 마련하게 된다. 또한, 도 7에서와 같이 상기 레버(3, 3')에 피복된 고무손잡이(4) 표면의 일측은 가이드구멍(51, 51')에 접촉하여 마찰력을 발생하게 되고, 고무손잡이(4) 표면의 타측은 가이드구멍(51)과 가이드구멍(51') 내측으로 0.1~1mm 간격(T) 만큼 돌출됨 고무튜브(7)와 상호 접촉되면서 마찰력과 탄성력을 함께 작용시킴으로써 레버(3, 3')가 소정 위치에 안정적으로 위치된다. 그리고 레버(3, 3')가 회동할 때 고무손잡이(4)의 탄성력과 마찰력이 강하여 고무튜브(7)의 미세한 밀림현상이라도 발생하지 않도록 상기 인쇄회로기판(5)의 평면부(3) 상부 및 저면에 접착층(8)을 도포하여 끼워지는 상기 고무튜브(7)가 접착되어 있도록 이루어진다,As another embodiment of the present invention, as shown in FIGS. 5 to 8, the fitting grooves 52, which are formed at both sides of the planar portion 3, between the guide hole 51 and the guide hole 51 ′ of the printed circuit board 5 are provided. 52 '), and the lower portion is opened to be fitted while enclosing the flat portion 3 and the fitting grooves 52 and 52'.

The rubber tube 7 of the shape of " is formed separately. Also, as shown in FIG. 7, one side of the surface of the rubber handle 4 covered with the levers 3 and 3 'is provided with guide holes 51 and 51'. ), The friction force is generated, and the other side of the surface of the rubber handle 4 protrudes by 0.1 to 1 mm interval (T) into the guide hole 51 and the guide hole 51 'and mutually with the rubber tube 7 By contacting the friction force and the elastic force, the levers 3 and 3 'are stably positioned at a predetermined position while being in contact with each other, and the elastic and frictional force of the rubber handle 4 is strong when the levers 3 and 3' are rotated. The rubber tube (7), which is applied by applying the adhesive layer (8) to the upper and lower surfaces of the flat portion (3) of the printed circuit board (5), is adhered so as not to occur even in the slight sliding phenomenon of (7).

Next, it looks at in detail with respect to the operation of the lens control lever mounting structure of the surveillance camera of the present invention configured as described above.

First, the levers 3 and 3 'formed at the lower end of the lens 2 and the distance adjusting ring 22 to be coupled to the focusing ring 21 and the distance adjusting ring 22 are manufactured. The rubber handle 4 is directly injected into the bodies 32 and 32 'of the 3') or the cover is formed after the injection molding.

The rubber handle 4 coated on the bodies 32 and 32 'of the levers 3 and 3' has the uneven portions 2 and 22 as shown in the cross-sectional views of FIGS. 4A, 4B and 4C. ') And the ring groove 34, the inner surface is fitted in the compressed state so that no peeling or rolling occurs, as shown in Figures 2 and 3 guides forming a space width of 0.1 ~ 1mm smaller than the diameter of the rubber handle (4) The rubber grip 4 penetrates through the holes 51 and 51 'to be in a fitted state.

Since the rubber handle 4 is inserted into the guide holes 51 and 51 ′, the frictional force is generated while the contact portion of the rubber handle 4 is squeezed so that the flow of the levers 3 and 3 ′ is caused by the elastic force and the friction force. Will stop. At this time, the crimping portion of the rubber handle 4 is made only around the surface contacting the guide holes 51 and 51 'as confirmed in the enlarged portion of FIG. 3 and the bodies 32 and 32 of the lever 3'3'. There is no effect to the inside contacting).

In this state, when rotating the positions of the levers 3 and 3 'clockwise or counterclockwise to adjust the focus and distance of the lens 2, one finger is placed on the upper locking jaw 4 of the rubber handle 4. After contacting, pulling or gripping with thumb and index finger, they are pushed and moved by a force equal to or greater than the friction force acting. When the finger is released at the set position after the movement, the guide hole 51, by its own elastic force and friction force, is released. 51 '), it is stopped immediately, and the focus and distance adjustment of the lens 2 are simply completed. In particular, the positions of the levers 3 and 3 'are located at both ends of the guide holes 51 and 51', so that even when the holding space is insufficient, the finger 3 can easily contact the upper locking jaw 4 of the rubber handle 4 with one finger. Can be pulled out.

As described above, the rubber grip 4 coated on the levers 3 and 3 'is held in the guide holes 51 and 51' by its own elastic force and friction force, and then the focal point and distance of the lens 2 are maintained. The process of changing the position of the levers 3 and 3 'by pushing the rubber handle 4 with artificial force to adjust is very simple, thereby minimizing the setting time.

" 형태의 고무튜브(7)를 인쇄회로기판(5)의 가이드구멍(51)과 가이드구멍(51') 사이의 평면부(3)와 끼움홈(52, 52')을 감싸도록 자체를 결합시키거나 접착층(8)을 도포하여 접착시키면 고무손잡이(4)의 접촉면중 가이드구멍(51)과 접촉되는 부분이 압착되는 것을 방지하여 작동시 표면이 손상되는 것을 방지하게 됨과 동시에 고무튜브(7)에 접촉되는 부분은 상호 탄성체끼리의 접촉으로 마찰력이 증대되므로 설정위치를 안정적으로 유지할 수 있게 되는 것이다.In addition, as shown in Figs.

Coupling the rubber tube 7 in the form of a "to surround the flat portion 3 and the fitting grooves 52 and 52 'between the guide hole 51 and the guide hole 51' of the printed circuit board 5 Or by applying an adhesive layer 8 to prevent adhesion between the contact surface of the rubber handle 4 and the contact hole 51, thereby preventing the surface from being damaged during operation and at the same time, the rubber tube 7 The parts in contact with each other will be able to stably maintain the set position because the friction force is increased by the contact between the elastic bodies.

Although described and illustrated in connection with the preferred embodiment of the present invention above, it is not limited to the configuration and operation as shown and described above. Therefore, it will be understood by those skilled in the art that the above embodiments can be appropriately modified and modified, so that appropriate changes, modifications, and equivalents should be considered to be within the scope of the present invention.

1: housing 2: lens
3, 3 ': adjusting rod 4: rubber handle
5: printed circuit board 6: camera module
7: rubber tube 8: adhesive layer
33, 33 ': Uneven portion 34: Ring groove
41: engaging jaw 51, 51 ': guide hole
52: fitting groove 53: top view

Claims (3)

A lens 2 having a housing 1, a focusing ring 21 and a distance adjusting ring 22 disposed inside the housing 1, and converting an image taken from the lens 2 into a signal A camera module 6 having a printed circuit board 5 having a circuit portion 61 mounted thereon and fastened to the peripheral surfaces of the focus adjustment ring 21 and the distance adjustment ring 22 to adjust the focus and distance. In the lens adjustment lever mounting structure of the surveillance camera, which is composed of levers 3 and 3 'having threaded portions 31 and 31' formed therein,
An uneven portion (33, 33 ') and a ring groove (34) formed in the longitudinal direction or the horizontal direction of the body (32, 32') extending above the threads (31, 31 ') of the lever (3, 3');
A rubber handle (4) formed to cover the body (32, 32 ') of the lever (3, 3') to form a locking jaw (41) at the top;
The printed circuit board 5 includes guide holes 51 and 51 'for penetrating the rubber handle 4 so that the surface of the rubber handle 4 comes into close contact with the surface of the rubber handle 4 when the levers 3 and 3' move along the rotational direction. The lens adjustment lever mounting structure of the surveillance camera, characterized in that perforated.
The method of claim 1, further comprising: fitting grooves (52, 52 ') formed at both sides of the planar portion (3) between the guide hole (51) and the guide hole (51') of the printed circuit board (5);
The lower part is opened so that the friction force is increased when the surface of the rubber grip 4 is in contact with the flat part 3 and the fitting grooves 52 and 52 '.

"The lens adjustment lever mounting structure of the surveillance camera, characterized in that provided by providing a rubber tube (7) formed in the form. The method of claim 2,
The lens adjustment lever mounting structure of the surveillance camera, characterized in that the adhesive layer (8) is applied to the upper and lower surfaces of the planar portion (3) of the printed circuit board (5) so that the rubber tube (7) is bonded.

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