JPH07180415A - Antirattle clip and lever structure using the same - Google Patents

Abstract

PURPOSE:To secure an antirattle clip being simple in manufacture and excellent in assemblingness and the antirattle structure of a lever using the clip. CONSTITUTION:A antirattle clip 12 is composed by coupling both elastically flexible upper and lower pieces 12c and 12d being formed into almost C-shaped form at plane view with each other so as to make them into almost lateral V-shaped form at side view. In this constitution, this clip is externally fitted in a pin 7 in an interval between a diametrally expanded flange part 7a installed at a tip part of this pin 7 fitted in a hole 11 bored in a lever 10 and this lever 10, whereby any lost motion in the lever 10 is surely preventable from occurring.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a rattling clip,
And a lever ratchet structure using the clip.

[0002]

2. Description of the Related Art For example, a conventional rattling stop structure for a vehicle seat lock device is shown in FIGS.
There is something like. Base plate fixed to a seat cushion pivotally mounted on the floor of the vehicle
A striker (103) fixed to the floor and a disengageable latch (104) are pivotally mounted between the (101) and the cover plate (102), and the latch (104) is engaged with the latch (104). 104)
The locking plate (109) that holds the engagement between the striker (103) and the striker (103) is pivotally attached by the shaft (105),
Pins (104a) (106) are planted on the (104) and locking plate (109), and springs (107) are attached to the upper ends of the pins (104a) (106).
The lever (108) for locking the lock plate (109) above the cover plate (102) in the releasing direction and inserting the pin (106) into the long hole (110). A shaft (105) is fitted to the (108a) so as to be rotatable.

[0003]

[Problems to be Solved by the Invention] However, the lever
To assemble the (108), the lever (108) is temporarily assembled to the shaft (105) and the pin (106) of the locking plate (109), so that the pin (106) is fitted to the wide portion (110a) of the long hole (110). ) Collar part (106a)
After inserting it, slide it to the end of the long hole (110), insert the shaft (105) into the shaft hole (108a) with the lever (108) tilted as shown by the chain double-dashed line in FIG. The upper end of the lever shaft (105) must be crimped. In this case, in order to tilt the lever (108), it is necessary to secure a gap in the axial direction between the lever (108) and the collar portion (106a). In the direction shown by the chain double-dashed line in FIG. 7, the lever (108)
May shake and cause noise.

Further, as shown in FIG. 8, the collar portion of the pin (106) planted in the locking plate (109) is eliminated and the lever (108) is temporarily assembled, and then the lever (108) is mounted on the lever (108). Pin (106)
Insert the collar (111) into the
Lock the end of the spring (107) to (106), and
If the lever (108) and the lever (108) are prevented from coming off, the rattling of the lever (108) can be prevented by the collar (111) in the initial stage, but the lever (108) is held in the axial direction. Relies on the locking force of the spring (107) with respect to the pin (106), so when a tilting force is applied as indicated by the chain double-dashed line, that force is directly transmitted through the collar (111) to the spring (107).
Since the lever (108) is held insufficiently, the spring (107) may be disengaged from the pin (106).

In view of the above problems of the prior art, the present invention has a rattling clip which is easy to manufacture and has a good assembling property, and a lever without rattling, and
It is an object of the present invention to provide a rattling stop structure for a lever that can be securely pivoted.

[0006]

In order to achieve the above object, the ratchet clip of the present invention has an elastically bendable upper piece and a lower piece, each of which has a substantially C-shape in plan view, in each opening. It is characterized in that they are connected to each other so that a side view is substantially laterally V-shaped on the end side.

In the lever rattling structure of the present invention, the pin formed in the other member is inserted into the hole formed in the lever, and the pin is provided between the enlarged diameter flange portion provided at the tip of the pin and the lever. , An elastically bendable upper piece and a lower piece that fit in the pins in a substantially C-shape in a plan view and have a substantially V-shape in a side view in a side view on the side of each opening end. As described above, the ratchet clips connected to each other are interposed so that the upper piece and the lower piece are elastically bent by being in pressure contact with the expanded flange portion and the lever.

[0008]

The ratchet clip is made of A, and is provided at the tip of the pin fitted in the hole formed in the lever, and is fitted on the pin between the expanded collar and the lever. , The rattling of the lever is prevented.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a seat lock device will be described below with reference to FIGS. Between the base plate (1) fixed to the lower part of the seat cushion (not shown) of the automobile and the cover plate (2), a striker fixed to the floor is engaged to fix the seat cushion in the sitting position. A latch (3) and a locking plate (4) which engages the latch (3) to hold the latch (3) in the engaged position are pivotally mounted in respective positions by the shafts (5) (6). There is.

Pins (7) and (8) penetrating upward through the long holes (2a) and (11) formed in the cover plate (2) are planted in the latch (3) and the locking plate (4). On the upper end of the pin (7) on the side of the locking plate (4), the collar part (7
a) and a groove portion (7b) higher than the flange portion (7a) are formed, and the groove portion (8) is formed at the upper end portion of the pin (8) of the latch (3).
a) has been formed. A spring is placed between the pins (7) and (8).
The end of (9) is locked and installed in the grooves (7b) and (8a),
The latch (3) and the locking plate (4) are biased in the engaging direction.

Reference numeral (10) is an operating lever (lever) for releasing the locking plate (4).
A shaft hole (10a) that is rotatably fitted in (6) is bored, and at a portion distant from the shaft hole (10a) by a predetermined amount in the radial direction,
Long holes (11) that are gradually displaced from one end to the other in the radial direction
Is provided, and the collar portion (7) of the pin (7) is provided at one end of the long hole (11).
A wide portion (11a) having a larger diameter than that of a) is formed.

Reference numeral (12) is a clip for rattling (hereinafter, simply referred to as clip). This clip (12) has an opening (12a) on one side as shown in FIGS. 3 and 4, and has a plan view. The substantially C-shaped elastically bendable upper piece (12c) and lower piece (12d) are connected to each other so that the side view has a substantially lateral V shape at the opening end side (the connecting portion is The code (indicated by 12b)).

The clip (12) is preferably made of a synthetic resin material having elasticity, but the bent portion becomes a coupling portion (12b) in a state where the spring plate material is once bent in a U shape. In this way, it may be punched into a desired shape by press working. In the latter case, it is preferable that the upper piece (12c) and the lower piece (12d) are opened in a V-shape by a restoring force after punching by pressing.

To install the lever (10), the lever (10)
After inserting the flange portion (7a) of the pin (7) into the wide portion (11a) of the long hole (11) and bringing the pin (7) close to the end of the long hole (11), the lever (1
(0) is tilted so that the base part is lifted upward (see the imaginary line in FIG. 6), and the locking plate (4) is inserted into the shaft hole (10a).
Insert the shaft (6) and crimp the tip of the shaft (6).

Then, the lever (10) and the flange (7) of the pin (7) are
Insert the clip (12) into the gap from (a) from the opening (12a) side
When fitted to (7), the upper piece (12c) elastically bends and presses against the lower surface of the collar portion (7a) and the lower piece (12d) onto the upper surface of the lever (10), respectively. The rattling in the axial direction of the is prevented, and the generation of abnormal noise can be prevented. Also clip
(12) has a wedge-shaped side view, so lever (10)
It can be easily fitted into the gap between the and the collar portion (7a).

In the embodiment of the present invention, the clip (12)
Is provided in the gap between the lever (10) and the flange portion (7a) of the pin (7) of the locking plate (4), but the invention is not limited to this, and the clip (12) may be similar to other ones. It can be used for rattling the lever and pin (or shaft) of the structure, or for axial rattling between two levers connected by a shaft.

[0016]

According to the present invention, the following effects can be obtained. (a) The ratchet clip of the present invention has a substantially C shape in a plan view.
The synthetic resin material has a simple structure and is composed of an upper piece and an upper piece that are elastically bendable in a V shape and are connected to each other so that a side view forms a substantially V shape in a lateral direction at each opening end side. Can be easily and inexpensively manufactured by integrally molding with, or bending and pressing a leaf spring material, etc., and since it has a wedge shape in side view, it can be used as a lever and pin collar portion to be rattled. It can be easily inserted between the levers or between the levers, and the assembling workability is good.

(B) According to the lever rattling structure of the present invention, the upper piece or the piece of the clip elastically bends and presses against the lever and the enlarged flange portion of the pin, respectively, and the lever pin The rattling is effectively prevented, and the clip can be easily attached to the pin with a feeling similar to that of the conventional C-shaped clip for retaining, and the assembling workability is good.

[Brief description of drawings]

FIG. 1 is a perspective view of a seat lock device to which the present invention is applied.

FIG. 2 is a sectional view of the same main portion.

FIG. 3 is a plan view of a clip.

4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is a perspective view of an example of a conventional seat lock device.

FIG. 6 is a vertical cross-sectional view when the lever is assembled.

FIG. 7 is a vertical cross-sectional view after the same assembling.

FIG. 8 is a vertical cross-sectional view of a main part of another conventional example.

[Explanation of symbols]

 (3) Latch (4) Locking plate (other member) (5) (6) Shaft (7) (8) Pin (9) Spring (10) Lever (11) Long hole (11a) Wide part (12) Clip (12a) opening (12b) connecting part (12c) upper piece (12d) lower piece

Claims (2)

[Claims] 1. An elastically bendable upper piece and a lower piece, which are substantially C-shaped in a plan view, are coupled to each other so that a side view is substantially V-shaped in a side view at each opening end side. A clip for stopping rattling. 2. A pin formed in another member is inserted into a hole formed in the lever, and a substantially C-shaped plan view is formed between the enlarged diameter flange portion provided at the tip of the pin and the lever. It is to be noted that an elastically bendable upper piece and a lower piece that are fitted to the pin are connected to each other so that a side view is substantially laterally V-shaped at each opening end side. The lever backlash stop structure is characterized in that the upper piece and the lower piece are interposed so as to elastically bend by being in pressure contact with the enlarged diameter collar portion and the lever.