JPH0247719Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a sound deadening member for a slide device such as a rear gate lock device for an automobile.

(Prior Art) Conventionally, a slide device, such as an automobile, is constructed by slidably inserting a slide member into a slide hole drilled in a substrate and biasing the slide member in one direction using a coil spring. The structure of the rear gate lock device was as shown in FIG.

That is, the opening a' of the substrate a, which has a substantially horizontally convex front shape in which the opening expands stepwise, is closed by the cover plate b, and the step in the middle thereof is closed by the closing plate c. And rectangular sliding holes d, which are aligned with each other, are formed in the closing plate c and the bottom plate of the substrate a, respectively.
d' is drilled.

A slide member f having a pointed nail portion e at one end is fitted into the slide holes d and d' from the outside, and a coil spring g wound around the outer circumference of the slide member f is inserted into the slide hole d, d'. The nail part e is compressed between the base plate a and the washer j, which is engaged with a stopper h formed in the middle part of the slide member f and projects forward in FIG. It is constantly urged by a spring g to come into contact with a cushioning rubber k provided on the inner surface of the cover plate b.

As shown in FIG. 4, the locking device having such a structure is mounted on the left and right sides of the rear gate m of an automobile l, and is connected to the handle n via a connecting rod p.

A striker q having an opening is mounted on the vehicle body side, and when the rear gate m is closed, each nail portion e of the slide member f is once pushed to the right by the striker q. After returning, it plunges into the opening and is locked.

Also, when the handle n is pulled, the slide member f
is pulled to the right against the biasing force of the coil spring g, so the engagement between the striker q and the nail portion e is released, and the rear gate m can be opened.

In the slide device of the lock device configured as described above, there is a problem that the contracted coil spring vibrates when opening and closing the rear gate or while driving, producing noise such as vibration noise and resonance noise. It was hot.

(Purpose of the invention) The present invention provides a sound-absorbing member for a slide device that eliminates the vibration noise of a coil spring and also functions as a buffer material to reduce the impact when a collision occurs between a slide member and a stopper. The purpose is to provide

(Structure of the invention) The sound deadening member for a slide device according to the invention is such that the slide member, which has a flange in the middle part, is slidable in the axial direction through holes bored in both side plates of a frame-shaped base frame. The flange is formed on the other inner surface of the base frame by fitting into the base frame and compressing a coil spring around the outer periphery of the slide member between one inner surface of the base frame and the flange. In a sound damping member for a slide device which is configured to be stopped by a stopper, the noise reduction member is interposed between the stopper and the flange,
It is formed integrally with a main body that cushions the impact when the collar portion collides, and an elastic tongue that is interposed between the slide member and the coil spring and absorbs vibrations of the coil spring.

(Example) Hereinafter, an example in which the present invention is applied to a sound deadening member for a lock device of an automobile rear gate will be described.

In FIG. 1, reference numeral 1 denotes a substrate, which has a rectangular opening 1a formed by bending the front shape into a substantially horizontal U-shape.
is further expanded into steps to form a horizontal convex shape,
In addition, an outward facing flange 1c is attached to this enlarged opening 1b.
are installed in succession.

In the enlarged opening 1b, there is a cover plate 2 in which an outward facing flange 2b is connected to a sideways U-shaped opening 2a facing the expanded opening 1b, with the flange 1c and the flange 2b abutting each other. A rectangular hole 2b facing left and right is bored in the center of the inner surface of the cover plate 2.

A side plate 3 is fixed to the opening 1a, and the side plate 3 and the U-shaped portion of the substrate 1 form a base frame 4.
is formed.

A rectangular hole 5 is bored in the center of the side plate 3, with an annular rising wall 3a cut and raised on the periphery and forming a stopper opening to the right.

A rectangular hole 6 is also bored in the right side plate 1d of the substrate 1, which faces this hole 5.

Reference numeral 7 denotes a slide member, which is made of a hard synthetic resin material and has a substantially rectangular column shape.A pointed nail portion 7e is formed at the left end of the slide member, and a rectangular column is formed on the outer periphery of the intermediate portion in the longitudinal direction. The flange portions 7b are continuously provided, and a long hole 8 that is long in the left-right direction is bored in the right end portion.

An inverted U-shaped notch 9 is provided at the center of the lower edge of the flange 7b.
is cut out.

The slide member 7 is inserted into the rectangular holes 5 and 6 so that the tip of the nail portion 7a enters the rectangular hole 2b, and the slide member 7 is inserted into the base frame 4.
Between the flange part 7b and the side plate 1d on the outer periphery,
The coil spring 10 is compressed, and the coil spring 10
A washer 11 having a notch 11a having substantially the same shape as the notch 9 at the center of the lower end is in contact between the left end surface of the flange 7b and the flange 7b.

Reference numeral 12 denotes a sound-deadening member, which is integrally molded from, for example, a rubber material with appropriate elasticity.As shown in FIG. Neck 1 protruding from
2b, and an elastic tongue piece 12c with a substantially rectangular cross section, which is connected to the free end of the neck portion 12b.

As shown in FIG. 2, the main body 12 of the sound deadening member 12
a is in contact with the left end surface of the flange 7b of the slide member 7, and the neck 12b is fitted into the notch 9 of the flange 7b and the notch 11a of the washer 11, and the elastic tongue 1
2c is interposed between the inner peripheral surface of the coil spring 10 and the outer peripheral surface of the slide member 7.

Therefore, the left end surface of the main body 12a of the sound deadening member 12 is pressed against the rising wall 3a by the biasing force of the coil spring 10.

In addition, in the above-mentioned structure, the washer 11 may be omitted.

(Operations and Effects of the Embodiment) When the automobile rear gate locking device equipped with the sound damping member 12 configured as described above is used by being attached to the rear gate, the rear gate lock,
By the unlocking operation, the slide member 7 is reciprocated, and its nail portion 7a engages with or disengages from a striker (not shown).

That is, the slide member 7 shown in FIG. 2 is once pulled to the right against the biasing force of the coil spring 10 by a connecting rod connected to a long hole 8 (not shown), and then the coil spring 10 The biasing force causes it to return to the left.

In this case, the main body 12a of the sound deadening member 12 having elastic force collides with the cut and raised piece 3a of the side plate 3 with a buffering effect, and the vibration of the coil spring 10 due to the impact accompanying this collision is caused by sliding. It is instantaneously damped by the contacting elastic tongue piece 12c.

Therefore, when the rear gate lock device operates, there is no large vibration or resonance noise.
Further, there is no possibility that the collision sound of the sliding member will be generated.

(Modified example) In addition to the above-mentioned automobile rear gate lock device, the sound deadening member according to the present invention is capable of sliding a slide member biased in one direction by a coil spring into a hole drilled in a base frame. Of course, it is applicable to any slide device that is inserted into the slide device.

(Effects of the invention) By using the sound deadening member of the invention in a slide device, the main body can be used as a bumper that cushions the impact when the slide member collides, and also has elastic tongues. Since the vibration noise of the coil spring can be eliminated, there is an advantage that the operating noise of the slide device can be significantly reduced compared to the conventional one.

Furthermore, since the main body, neck, and elastic tongue piece can be integrally molded from an elastic material such as rubber or hard synthetic resin material, manufacturing is easy, and the neck part is simply fitted into the notch in the flange of the slide member. This has the advantage that it can be easily attached to the slide device and the assembly work is simple.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway front view showing an embodiment of the present invention installed in an automobile rear gate lock device; FIG. 2 is a cross-sectional plan view along the central axis in FIG. 1; 3 is an enlarged perspective view of a part of the washer, sound deadening member, and slide member in FIG. 2, FIG. 4 is a perspective view of an automobile equipped with a rear gate, and FIG. 5 is a conventional slide device. It is a front view. 1... Board, 3... Side plate, 4... Base frame, 5, 6
... Rectangular hole, 7 ... Slide member, 7b ... Flange, 9 ... Notch, 10 ... Coil spring, 11 ...
... Washer, 12 ... Sound deadening member, 12a ... Main body, 12b ... Neck, 12c ... Elastic tongue piece.

Claims (1)

[Scope of utility model registration request] A slide member having a flange at the middle portion is fitted into a hole bored in both side plates of a frame-shaped base frame so as to be slidable in the axial direction, and the slide member is fitted into a hole bored in both side plates of a frame-shaped base frame so as to be slidable in the axial direction. A sound muffling device for a slide device in which a coil spring is contracted around the outer periphery of the slide member between the base frame and the flange so that the flange is stopped by a stopper formed on the other inner surface of the base frame. In the member, a main body is interposed between the stopper and the flange to reduce the impact when the flange hits.
A sound deadening member for a slide device, characterized in that an elastic tongue interposed between the slide member and the coil spring and absorbing vibrations of the coil spring is integrally formed.