JP3525314B2 - Rotating lever support structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a shaft hole formed in either one of a base plate and a rotary lever, and a shaft portion integrally rotatably fitted in the shaft hole formed in the other, The present invention relates to a support structure for a rotating lever, which is configured to pivotally support a rotating lever on a base plate.

[0002]

2. Description of the Related Art In a conventional rotating lever support structure, a base portion of the rotating lever is provided with a tapered shaft portion having a retaining portion for retaining and a plurality of slits. By fitting the shaft portion into the shaft hole of the base plate by utilizing the diameter reducing function of the shaft portion, the rotation lever is pivotally supported by the base plate so as to be rotatable (for example, Japanese Utility Model Publication 58). -53414
(See Japanese Patent Publication).

[0003]

However, in the conventional support structure of the rotating lever, the shaft portion is fitted into the shaft hole by utilizing the diameter reducing function of the shaft portion, so that the shaft portion is formed to be easily bent. However, the tip of the shaft portion must be tapered or the length of the shaft portion must be lengthened. As a result, there is a problem that the elongated shaft portion may project to the back side of the base plate and interfere with other members provided on the back side of the base plate, or the rotating lever may be loose.

In view of the above problems of the prior art, the present invention shortens the length of the shaft portion that rotatably supports the rotation lever on the base plate to minimize the installation space. At the same time, it is an object of the present invention to provide a support structure for a turning lever which prevents the play of the turning lever.

[0005]

According to the present invention, the above problems can be solved as follows. (1) A shaft hole is bored in either one of the base plate or the turning lever, and a shaft portion that is rotatably fitted in the shaft hole is integrally formed in the other, and the turning lever is In a support structure of a rotating lever which is rotatably supported by the base plate, a substantially fan-shaped notch is formed in a part of an outer periphery of the shaft hole, and the shaft is fitted into the notch. and the pivot lever forms a pawl portion which is to be retained from the shaft hole by a predetermined amount of rotation, also, the said base plate, arcuate slot forming a circular arc centered on the shaft hole And further extending in the circumferential direction on the rotating lever , and having the same end as the shaft portion at the tip.
Protruding in one direction and movably fitted in the arc hole,
When the turning lever turns, it contacts the edge of the arc hole.
With the above, the rotation range of the rotation lever is
Equipped with an engagement part that limits the range of the shaft hole
And elastic force on the surface of the base plate
Provide a foot that can abut .

(2) In the above item (1), the surface of the base plate on the side of the rotating lever is provided with a check portion which is raised from the surface, and the rotating lever is elastically deformed in a direction orthogonal to the surface. A check arm portion is provided which is capable of sliding contact with the check portion in association with the rotation of the rotation lever.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to the drawings. 1 to 3, (1) is a door lock device that is fixed to a rear door of an automobile and engages and disengages with a striker fixed to the vehicle body when the door is opened and closed. The body is made of a synthetic resin material. (2), a cover plate (3) made of a metal plate fixed to the front side of the body (2), and the body
Metal plate base plate fixed on the back side of (2) (4)
And have.

Inside the body (2), a latch that can be engaged with and disengaged from the striker when the door is opened and closed, and a locking plate that locks the door to the closed position by engaging the latch are rotatable. It is stored.

The base plate (4) is bent into a substantially L shape, and is fixed to the back side of the body (2) with a fixing piece (4a).
And a bent piece (4b) bent at a right angle from the fixed piece (4a). Below the bent piece (4b), a shaft hole (5) having a substantially fan-shaped notch (5a) in a part of its outer periphery, as shown in FIG. 5, and a circle centered on the shaft hole (5) It is cut out from an arcuate hole (6) of an arcuate length and a bent piece (4b), and rises in a mountain shape toward the child lever (14), which is a turning lever described later, and is raised in the center. A check portion (7) having a top portion (7a) is formed.

As shown in FIG. 2, the fixed piece (4a) has an open lever coaxially connected to the locking plate.
(8) and an outside lever (9) connected to a door opening operation handle arranged on the vehicle exterior side of the door are rotatably supported.

On the back side of the bent piece (4b), as shown in FIG. 3, there is an L-shaped inside lever (10) connected to a handle for operating the door opening provided inside the door. , A lock lever (11) connected to the lock knob for locking and unlocking provided inside the door, and the inside lever (1)
0), the lower end can be engaged with and disengaged from the outside lever (9), and the child sub-lever (12) that moves upward by the release operation of the inside lever (10) and the lower end to the outside lever (9). Connected and lock lever (11) on top
Is supported slidably in the vertical direction by the outside lever
(9) and a sub-lever (13) that moves upward by the release operation of the inside lever (10) are provided.

The lock lever (11) is rotated a predetermined amount in the counterclockwise direction from the unlocked position shown in FIG. 3 for enabling the door opening operation of the door opening operation inside and outside the vehicle to be effective. It can be moved to a locked position that invalidates the door opening operation of the handle inside and outside the vehicle. That is, when the lock lever is in the unlocked position, the engaging portion (13a) of the sub-lever (13) engages the open lever (8) to release the locking plate, and the lock lever is in the locked position. In the state of (3), the engaging portion (13a) cannot engage with the open lever (8) and is in the idling state.

As shown in FIG. 1, the front side of the bent piece (4b) is a child lever which is a turning lever in the present invention.
(14) is pivotally supported so as to be rotatable between a locked position and an unlocked position. This child lever (14) is molded from a synthetic resin material having an elastic force, and as shown in FIGS. 9 to 12, a flat base portion (14a) and a bent piece (4b) from the base portion (14a). ) And is rotatably fitted in the shaft hole (5), and has a claw portion (14b) protruding in the radial direction and fitted into the cutout portion (5a) of the shaft hole (5) at the tip. Shaft (14c),
A check arm portion (14e) provided at the lower end of the base body portion (14a) and having a protrusion (14d) capable of sliding contact with the check portion (7) with elastic force and elastically deformable, and the base body portion (14a). An operating portion (14f) provided on the upper end of the shaft portion (14c) and protruding in the opposite direction to the shaft portion (14c),
Arc hole of bent piece (4b) protruding in the same direction as the shaft (14c)
From the vicinity of the protrusion (14g), which is slidably fitted to (6) and whose tip is slidably fitted to the long hole (12a) of the child sub-lever (12), and the vicinity of the protrusion (14g). A circular arc hole (6) that extends in the circumferential direction and projects at the tip in the same direction as the shaft (14c).
A bent piece (4b) having an engaging portion (14h) movably fitted in
And a foot piece (14i) which is pressed against the surface of the base material with elastic force. The tip of the foot piece (14i) provided with the engaging portion (14h) is
As shown in FIG. 6 and FIG. 7, the side of the circular arc hole ( 6 )
It is formed to overhang.

The operating portion (14f) is exposed to the outside through a hole formed in the door panel so that the child lever (14) can be locked and unlocked from outside the door when the door is opened.

When the child lever (14) is in the unlocked position (shown in FIGS. 1 and 3), the child sub-lever
The engaging portion (12b) of (12) is at a position where it can be engaged with the outside lever (9), and controls the door opening operation of the handle according to the locked or unlocked position of the lock lever (11).

When the child lever (14) is in the locked position, the engaging portion (12) of the child sub-lever (12) is
b) is in a position where it cannot be engaged with the outside lever (9), and regardless of the position of the lock lever (11), the child sub-lever is released when the inside lever (10) is released.
The movement of (12) is made to swing with respect to the outside lever (9) to invalidate the door opening operation of the handle in the vehicle.

Next, the procedure for assembling the child lever (14) to the base plate (4) will be described. First, as shown in FIG. 6, the claws (1
Align 4b) with the notch (5a) of the shaft hole (5), fit the shaft (14c) into the shaft hole (5) of the base plate (4), and elastically deform the foot (14i). , The engaging part (14h) bent piece (4b)
With the base body (14a) placed on it, rotate the entire base portion (14a) by a predetermined amount in the arrow direction (clockwise direction), and as shown in FIG.
By fitting the engaging part (14h) of the above into the arc hole (6),
The pawl portion (14b) is displaced from the cutout portion (5a) and engages with the peripheral edge of the shaft hole (5) to prevent the pawl portion (14) from coming off in the axial direction, and the child lever (14).
Is rotatably supported by the bent piece (4b). Engagement of the foot piece (14i)
By fitting the joint part (14h) and the protruding part (14g) into the arc hole ( 6 ) .
Restrict the rotation range of the child lever (14).
In addition, the foot piece (14i) is elastically applied to the surface of the bent piece ( 4b).
Contact.

Therefore, unlike the prior art, it is not necessary to make the tip of the shaft portion tapered so that the shaft portion is easily bent, and to make it longer than necessary. The shaft portion (5) can be shortened and the shaft portion ( 5) does not largely project to the back side of the bent piece (4b) and does not interfere with the child sub-lever (12), sub-lever (13), etc. provided on the back side. Also, check arm (14e)
Since the foot piece (14i) is in elastic contact with the bent piece (4b), the rattling of the child lever (14) can be suppressed.

As shown in FIG. 7, the child lever (14) is slidably engaged with the arcuate hole (6) by the engaging portion (14h) and the protruding portion (14g) of the foot piece (14i). In the unlocked position where the engaging portion (14h) is in contact with the one end portion (6a) of the arc hole (6) and the clockwise rotation from the unlocked position, as shown in FIG. The turning range is restricted between the locking position where (14g) abuts the other end (6b) of the arc hole (6).

That is, by restricting the rotation range of the child lever (14) , the claw portion (14b) is rotated at a position deviated from the cutout portion (5a), so that the claw portion (14b) is rotated. )
Does not come out of the notch (5a). Therefore,
The shaft portion (14c) can be reliably supported in the shaft hole (5).

When the child lever (14) moves from the unlocked position to the locked position or vice versa, the protrusion (14d) resists the elastic force of the check arm (14e) and rises ( By riding on 7a) and moving, it is possible to obtain an appropriate check force for the operating force and hold it at each position with an appropriate holding force.

In the above embodiment, the shaft portion (14c) is projected on the child lever (14) and the shaft hole (5) is formed on the base plate (4) side. However, the shaft portion (14c) is formed on the base plate (4). ), And the shaft hole (5) into which the shaft portion (14c) fits is bored on the child lever (14) side, the same effect as in the above embodiment can be obtained. In this case, it is preferable to form the base plate (4) with a synthetic resin material and integrally mold the shaft portion (14c).

[0023]

According to the present invention, the following effects can be obtained. (1) With the configuration according to claim 1, since the shaft portion does not largely project to the back side of the base plate, it is possible to avoid interference with other members and minimize the mounting space. At the same time, it is possible to prevent the rotation lever from rattling.

(2) According to the second aspect of the invention, it is possible to further suppress the rattling of the rotary lever and obtain a check force for holding the rotary lever at a predetermined position with a predetermined holding force.

[Brief description of drawings]

FIG. 1 is a front view of a door lock device according to an embodiment of the present invention.

FIG. 2 is a view on arrow A in FIG.

FIG. 3 is a view on arrow B in FIG.

4 is a cross-sectional view taken along the line CC in FIG.

FIG. 5 is an enlarged front view of the main part of the base plate.

FIG. 6 is a front view of a rotating lever being attached.

FIG. 7 is a front view of a rotating lever in a locked state.

FIG. 8 is a front view of the rotation lever in an unlocked state.

FIG. 9 is a rear view of the rotating lever.

FIG. 10 is a view on arrow D in FIG.

11 is a cross-sectional view taken along the line EE in FIG.

12 is a sectional view taken along line FF in FIG.

[Explanation of symbols] (1) Door lock device (2) Body (4) Base plate (4b) Bent piece (5) Shaft hole (5a) Notch (6) Arc hole (7) Check section (7a) Top (14) Child lever (rotating lever) (14a) Base part (14b) Claw (14c) Shaft (14e) Check arm section (14d) Projection (14h) Engagement part (14i) Foot piece

Continuation of the front page (56) Reference JP-A-8-152017 (JP, A) JP-A-5-67408 (JP, A) Actual opening Sho 63-188722 (JP, U) Actual opening Sho 57-14220 (JP , U) Actually developed 60-164642 (JP, U) Actually developed 62-81222 (JP, U) Actually developed 56-167504 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB) Name) G05G 1/04

Claims (2)

(57) [Claims] 1. A shaft hole is bored in either one of a base plate or a turning lever, and a shaft portion which is rotatably fitted in the shaft hole is integrally formed in the other, and the turning is performed. In a supporting structure of a rotating lever, which pivotally supports a lever on the base plate, a substantially fan-shaped notch is formed in a part of an outer periphery of the shaft hole, and the notch is formed in the shaft. A claw portion which is fitted into the shaft hole and is prevented from coming off from the shaft hole by rotating the rotary lever by a predetermined amount. Further , the base plate has an arc shape centered on the shaft hole. A circular arc hole is drilled, and the rotary lever is extended in the circumferential direction.
And the arc is projected at the tip in the same direction as the shaft.
It is movably fitted in the hole,
By contacting the edge of the circular arc hole,
The shaft portion is prevented from coming off from the shaft hole in the rotation range of
The base plate and
A support structure for a rotating lever, characterized in that a foot piece capable of abutting elastically on the surface of the rate is provided . 2. A check portion protruding from the surface of the base plate on the side of the rotating lever is formed, and
2. The rotation according to claim 1, wherein the rotation lever is provided with a check arm portion that is elastically deformable in a direction orthogonal to the surface and is slidably contactable with the check portion when the rotation lever rotates. Lever support structure.