JP2650063B2 - Assist grip for vehicles - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an assist grip for a vehicle configured by surrounding a core material with a cushion material.

[Conventional technology]

The normal assist grip is intended to improve the grip of the hand by loading a cushion material inside, and to exclusively hold the body.

[Problems to be solved by the invention]

An object of the present invention is to provide a vehicle assist grip having a training function for increasing grip strength by utilizing such a structure.

[Means for solving the problem]

In order to achieve this object, the present invention provides a magnetic core in at least the central core region serving as a grip portion, and forms an electromagnet that winds a coil around the magnetic core to generate a magnetic field in the grip force direction, A magnet having a polarity that generates a repulsive force to the grip force when the electromagnet is actuated is arranged at an intermediate position in the grip force direction in the cushion material.

[Action]

A repulsive force is generated between the magnet and the electromagnet. When the magnet grips the assist grip and approaches the electromagnet, the repulsive force is further increased. As a result, a repulsion force greater than the elasticity of the cushion material is obtained, and the repulsion force automatically increases as the grip force increases.

〔Example〕

1 to 3 show an assist grip for a vehicle according to an embodiment of the present invention.

FIG. 1 is a view showing an A-position of a central portion of an assist grip 1 shown in FIG.
A sectional view taken along the line A 'is shown. In the same figure, reference numeral 10 denotes a resin core material, corresponding to the outer shape of the assist grip 1, whose cross section is long in the vertical direction at the central portion, becomes lower toward both ends, and expands laterally. Each bracket
11 (FIG. 2) and fixed to the body side with its screw hole 11a.

The core material 10 is surrounded by a cushion material 14 such as urethane foam, and the outside thereof is further surrounded by a skin material 15. A magnetic core 12 is inserted into a central space in a central portion of a region of the core material 10 gripped by a hand. Also, bobbin grooves are formed on both sides in the longitudinal direction of the core member 10, and a coil 13 is wound around the magnetic core 12 so as to generate a magnetic field in the gripping direction of arrow B. Between the side surface of the core material 10 and the skin material 15, plate-like permanent magnets 16, 16a facing the core material 10 are provided, having magnetic poles of a polarity that generates a repulsive force when the electromagnet is actuated as shown in the figure. ing.

As shown in FIG. 3, the coil 13 includes lead wires 18 and 18a.
Is supplied through a switch 19 of a four-circuit switching type. This switch 19 is turned off in the first position, and the second and third switches are turned off.
The resistors R1 and R2 having smaller resistance values are interpolated at the position (1) and the power is directly supplied at the position (4), so that the input power is set larger in order.

The operation of the assist grip structured as described above is as follows.

In the illustrated switch-off state, the permanent magnets 16,
A slight attractive force is generated between 16a and the magnetic core 12. In this state, it functions as a normal assist grip.

If the user wants to adjust the hardness or want to perform grip strength training, the user turns on the switch 19 and sets the switch to any one of three positions. As a result, a repulsive force is generated between the permanent magnets 16 and 16a and the electromagnets 12 and 13, and when the permanent magnets 16 and 16a attempt to approach the electromagnets 12 and 13 by increasing the grip force, the repulsive force is further increased, and the grip force is reduced. When it is weakened, it returns to its original position due to the repulsive force and the elasticity of the cushion material 14. As a result, a repulsive force greater than the elasticity of the cushion member 14 is obtained, and the repulsive force is automatically increased in response to an increase in the grip force. Also, the strength of the repulsion is
Is switched to three stages.

〔The invention's effect〕

As described above, according to the assist grip of the present invention, in addition to the original function, it is possible to perform training for increasing the grip strength in the passenger seat and other seats when the hand is not held.

It is also effective in increasing the hardness of the grip during normal use.

[Brief description of the drawings]

FIG. 1 is a sectional view of an assist grip according to an embodiment of the present invention, FIG. 2 is a perspective view of the assist grip according to the embodiment, and FIG. 3 is a diagram showing an accessory circuit of the assist grip of the embodiment. 10 core material, 12 magnetic core, 13 coil, 14 cushion material, 16 and 16a permanent magnet.

Claims (1)

(57) [Claims] In a vehicle assist grip comprising a core material surrounded by a cushion material, a magnetic core is provided in at least a central core material region serving as a grip portion, and a coil is wound around the magnetic core. An electromagnet that generates a magnetic field in the direction of the grip force is formed, and a magnet having a polarity that generates a repulsive force against the grip force when the electromagnet is actuated is disposed at an intermediate position in the direction of the grip force in the cushioning material. Assist grip.