JP2541770Y2 - Door lock device for automobile - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock device for a motor vehicle having an improved connection structure between a locking / unlocking actuator and a lock link of a lock plate.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 5, an actuator 4 for locking and unlocking a door lock 1 through a lock link 3 as shown in FIG.
A so-called auto-lock type in which a plunger (crank) 4a is connected and the lock plate 2 is operated and unlocked by an actuator 4 has been put into practical use (see Japanese Patent Application Laid-Open No. 2-96077). In this case, if the actuator 4 is mounted on the door panel at a position different from that of the door lock 1, it is necessary to adjust the position of the door lock 1 and the actuator 4 for each door. Therefore, the extension bracket 6 is fixed to the base 5 of the door lock 1, and the actuator 4 is attached to the extension bracket 6 with screws, so that the position of the door lock 1 and the actuator 4 can be adjusted for each door.

[0003]

However, in the above door lock device, one end 3a of the lock link 3 is fixed to the lock plate 2 by a clip 7a, and the other end 3b is slidable on the base 5. It is fixed with the clip 7b. A connecting portion 3c for an actuator is provided at a portion further extending from the other end 3b of the lock link 3. Therefore, the lock link 3 is moved by the actuator 4 to the connecting portion 3c which is an extension of the other end 3b.
, The operation force is likely to be lost, and kinking is also likely to occur, so that there is a problem that the operation may not be performed smoothly. Also, since the actuator 4 is fixed to the extension bracket 6,
There is a problem that the entire length of the door lock 1 becomes long.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a compact door lock device for an automobile with a smooth operation by improving the connection structure between an actuator and a lock link of a lock plate.

[0005]

In order to achieve the above object, the present invention relates to a door lock apparatus for an automobile, wherein a locking / unlocking operation actuator is connected to a lock plate of a door lock via a lock link. One end of the lock link is rotatably fastened to the lock plate, and the other end is slidably fastened to the base, and a connection for the actuator is provided between both fastening portions of the lock link. While the portion is provided, an actuator in the same operation direction as the lock link is fixed to the base at a side position of the lock link, and a plunger of the actuator is provided with a connection portion connected to the connection portion of the lock link. It is characterized by having.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the illustrated embodiments. As shown in FIGS. 1 and 2, a door lock device for an automobile includes a notch mechanism such as a claw lever or a fork (latch) between a set plate 9 and a fence block 10 made of synthetic resin, although not specifically shown. The open lever 17, the outer lever 18, the lock plate 1 and the fence block assembly A provided with
9, a base assembly B provided with a lever mechanism such as a lock link 20, an inner lever 21, and a push lever 22
It is composed of Then, the set plate 9 of the fence block assembly A is applied to the door panel 8 and fixed to the door panel 8 with screws or the like.

[0007] The base 16 comprises a fence block 10
A planar portion 16a fixed face-to-face with
A rising portion 16b rising from one side end along the door inner panel, an extending flat portion 16c extending downward from the flat portion 16a in each drawing, and a base from one end of the extending flat portion 16c. The extended rising portion 16 rising parallel to the rising portion 16b at a position closer to the center of 16
d.

The open lever 17 is swingably supported by a lower portion of an outer lever shaft 27 planted on the flat portion 16a of the base 16. The open lever 17 is rotated leftward in FIG. 1 to swing the claw lever of the fence block assembly A to the unlocked position, whereby the fork returns to the unlocked position and the striker is unlocked. , The door can be opened. The outer lever 18 is swingably supported by an upper portion of the outer lever shaft 27. The inner lever 21 is connected to the rising portion 16 of the base 16.
The inner lever shaft 24 is swingably supported by the lower portion of the inner lever shaft 24. The push lever 22 is
The inner lever shaft 24 is swingably supported by the upper stage. Reference numeral 23 denotes a child lock child lever.

The lock plate 19 is mounted on the base 1
The lock plate shaft 3 is provided above the rising portion 16b
3 is supported swingably. The lock plate 19
A rod 36 of an inner lock knob is connected to an upper portion of the lock plate 19, and the lock plate 19 is operated to an unlock position and a lock position via the rod 36 by the inner lock knob.

As shown in FIGS. 3 and 4, the lock link 20 extends inside the rising portion 16b of the base 16 in parallel with the rising portion 16b. At 38 (see FIG. 2), it is rotatably fastened. The other end 2 of the lock link 20
Reference numeral 0b is slidably fastened to a long hole (not shown) of the rising portion 16b of the base 16 by a clip 39 (see FIG. 1). The lock link 20 is slid downward in the unlock position of the lock plate 19 and is slid upward in the lock position. A coupling portion 20c for an actuator is provided at a substantially intermediate portion in the longitudinal direction of the lock link 20,
The connecting portion 20c is provided with an elongated hole 20d in the vertical direction.

The locking / unlocking actuator 30 is provided with a plunger 32 at a front portion (an upper portion in FIGS. 1 and 2) of a rectangular actuator main body 31. The actuator main body 31 is provided with an extended rising portion 16d of the base 16 above. It is fixed to the inner surface of. The actuator 30 is located substantially at the center in the width direction of the door lock on the side of the lock link 20, and has the same operating direction as the lock link 20.

Plunger 32 of actuator 30
The front end side is formed of synthetic resin, and on the front end side, shaft-shaped connecting projections 32a, 32a protruding to both sides are integrally formed, and one of the connecting projections 32a is connected to the connecting portion of the lock link 20. It is fitted to the long hole 20d of 20c so as to be movable up and down. The other connecting projection 32a is used for both the right (right) door lock and the left (left) door lock. The connecting projection 32a of the plunger 32 of the actuator 30 is
Since the actuator 30 is directly fitted into the long hole 20d of the 0 connecting portion 20c, the actuator 30 is located near substantially the center in the vertical direction of the door lock. In the above description, the lock link 20 is provided with the elongated hole 20d, and the plunger 32 of the actuator 30 is provided with the connecting convex portion 32a. However, on the contrary, the lock link 20 is provided with the connecting convex portion, and the plunger 32 is provided with the elongated hole. You may do so.

In the above door lock device, the lock plate 1 is connected via the rod 36 by the inner lock knob.
When the outer handle is opened while the outer handle 9 is operated in the unlock position, the outer lever 18 is turned leftward, the open lever 17 is turned leftward via a slide clip (not shown), and the claw lever is unlocked. The fork returns to the unlock position, the striker is unlocked, and the door can be opened. Similarly, when the inner handle is opened and operated, the inner lever 23 is opened.
Is turned clockwise, the push lever 22 is turned clockwise via the child lever 23, and the outer lever 18 is turned counterclockwise via the push lever 22, whereby the striker is unlocked and the door can be opened.

On the other hand, the plunger 3
2 and the connecting portion 20c of the lock link 20
, The lock link 20 is slid up and down,
Since the lock plate 19 is operated between the unlock position and the lock position, the lock plate 19 can be locked and unlocked by the actuator 30 (auto-lock).

According to the above configuration, since the connecting portion 20c for the actuator is provided at a substantially intermediate portion in the longitudinal direction of the lock link 20, the intermediate connecting portion 20c is moved by the actuator 30 in the direction of operation of the plunger 32. Since the push-pull operation is performed in the same direction, the loss of the operating force hardly occurs, and the twisting hardly occurs, so that the lock link 20 operates smoothly. Also, the actuator 30
Is located substantially near the center in the vertical direction of the door lock, so that the overall length of the door lock is shortened, and the door lock is compact.

Further, the connecting projection 32a of the plunger 32 of the actuator 30 is connected to the connecting portion 20 of the lock link 20.
Since the actuator 30 and the lock link 20 are directly connected by being fitted into the long hole 20d of FIG. 3c, an intermediate connecting member becomes unnecessary, and the number of parts is reduced.
The structure is also simplified. Furthermore, the actuator 30 and the lock link 20 can be connected with one touch only by fitting the connection protrusion 32a into the elongated hole 20d in the axial direction.

[0017]

As is clear from the above description, the door lock device for an automobile of the present invention is provided with a connecting portion for an actuator in the longitudinal direction of the lock link. Since the connecting portion is pushed and pulled in the same direction as the operating direction of the plunger, a loss of the operating force is hardly generated and a twist is hardly generated, so that the lock link operates smoothly. Further, since the actuator can be positioned substantially at the center of the door lock at a position lateral to the lock link, the overall length of the door lock is shortened, and the door lock is compact.

[Brief description of the drawings]

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

FIG. 2 is a side view of FIG. 1;

FIG. 3 is an extraction diagram of main parts of FIG. 1;

FIG. 4 is an extraction diagram of a main part of FIG. 2;

FIG. 5 is a side view of a conventional door lock device.

[Explanation of symbols]

16 ... base, 19 ... lock plate, 20 ... lock link, 20c ... connecting part, 30 ... actuator, 32 ...
Plunger, 32a ... connecting projection, 38, 39 ... clip (fixing part).

Claims (1)

(57) [Scope of request for utility model registration] 1. An automobile door lock device comprising a lock plate of a door lock and an actuator for locking and unlocking operation connected via a lock link, wherein one end of the lock link is rotatable with respect to the lock plate. The lock link is slidably fastened to the base at the other end, and a connecting portion for an actuator is provided between the fastening portions of the lock link. An automobile door lock device, wherein an actuator having the same operating direction as a link is fixed to a base, and a plunger of the actuator is provided with a connecting portion connected to the connecting portion of the lock link.