JPH0716858Y2 - Door lock device for automobile - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a door lock device for locking and unlocking a door of an automobile.

(Prior Art) FIG. 9 shows a button holder 1 in a conventional door lock device.
It is a longitudinal cross-sectional view showing a mounting structure of a lock button 2.

In FIG. 9, a holder mounting hole 4 is formed in the door trim 3 corresponding to the lower portion of the window frame on the vehicle interior side of the door, and the button holder 2 is mounted in the hole 4. The lock button 1 is mounted on the button holder 2 so that the lower half of the lock button 1 can be moved up and down by inserting it into the opening 2a at the bottom of the button holder 2. The lower part of the lock button 1 is connected to a locking / unlocking mechanism (not shown) provided in the inner space of the door, and the locking / unlocking mechanism is operated by the vertical operation of the lock button 1. Both sides and the back of the lock button 1 are the side walls 2b and the back wall of the button holder 2.
It is surrounded by 2c, so that the lock button 1 can be smoothly guided up and down.

(Problems to be Solved by the Invention) However, since the button holder 2 in the above-described conventional door lock device is not shaped so as to prevent the lock button 1 from moving forward, the lock button 1
Had a problem that it tended to lean forward and its operability was poor.

(Object of the Invention) The present invention has been made to solve the above problems, and an object thereof is to provide a door lock device for an automobile having good operability.

(Means for Solving the Problem) In order to solve the above-mentioned object, the present invention has a lock holder slidably mounted on a button holder fixed to a door trim, and a locking / unlocking mechanism is locked / unlocked by sliding the lock button. In an automobile door lock device that is operated, a bottomed guide groove extending in the slide direction of the lock button is formed on both side walls of the lock button device portion of the button holder, and the guide groove of both sides of the lock button is formed. An elastic projection elastically contacting the bottom surface is formed, and both side portions of the lock button are slidably engaged with the guide groove.

(Operation) In the automatic door lock device according to the present invention, since the both sides of the lock button slide in the guide groove while the elastic projections are elastically engaged with the bottom surface of the guide groove, the lock button is Does not wobble in directions other than the sliding direction.

(Embodiment) FIGS. 1A and 1B are perspective views of a button holder 5 and a lock button 6 in a vehicle door lock device according to an embodiment of the present invention, and FIG. 2 shows a lock on the button holder 5. It is a perspective view showing a state where a button 6 is attached.

In FIG. 1A and FIG. 2, the button holder 5 is made of resin and has a rectangular housing 7 that is open from the upper surface to the front surface, and a mounting flange 8 is provided along the opening edge of the housing 7. . An opening 9 is also formed in a portion extending from the latter half of the bottom surface of the housing 7 to the lower half of the rear surface. The opening 9 is used for inserting the lock button 6 and
The bottom portion of the opening 9 is used to allow the lock button 6 to move up and down. Guide grooves 10 extending in the vertical direction are formed on the inner surfaces of the rear portions of both side walls of the housing 7, and the lower ends of the guide grooves 10 are open. In addition, locking projections 11 extending in the up-down direction are formed on the rear outer surfaces of both side walls of the housing 7, respectively. Furthermore, the housing 7
On the lower surface of the bottom part, a locking piece 12 having a hook 12a projecting forward is formed so as to hang down at the lower end, and at the rear part of the housing 7, another locking piece 13 is formed in the middle part by cutting out the left and right sides thereof. Is drooping.

FIG. 3 shows a vertical sectional view of the button holder 5. As shown in the figure, a hook portion 13a protruding rearward is formed at the lower end of the locking piece 13.

In FIG. 1B and FIG. 2, the lock button 6 is also made of resin, and the operation knob 15 is formed on the upper end of the plate body 14 having a generally rectangular shape. Guide groove so that the bottom of the guide groove 10 of the button breaking 5 is elastic
Engaging fins 16 and engaging ridges as elastic protrusions engaging with 10.
17 and 17 are formed separately from each other. Further, a connecting portion 18 is formed in the lower half of the back surface of the plate body 14, and a link of a locking / unlocking mechanism (not shown) is connected to the connecting portion 18.

The lock button 6 is attached to the button holder 5 in the 1A
As shown by the arrow A in the figure, the operation knob 15 side of the lock button 6 is inserted into the opening 9 of the button holder 5 from the lower rear part of the button holder 5, and the engaging fins 16 on both sides of the plate body 14 of the lock button 16, This is performed as shown in FIG. 2 by engaging the engaging protrusions 17 with the corresponding guide grooves 10 on both sides of the button holder 5.

FIG. 4 is a perspective view partially showing a door trim 20 having a mounting hole 19 in which the button holder 5 is mounted. The door trim 20 constitutes a lower portion of a window frame on the vehicle interior side of the door. Fifth
FIG. 6 and FIG. 6 show an enlarged plan view and an enlarged front view of the mounting hole 19, respectively.

In FIGS. 4 to 6, the mounting hole 19 is a door trim 20.
Is formed from the horizontal surface of the upper end to the vertical surface and on the shoulder,
There is an opening 21 for inserting the rear portion of the housing 7 of the button holder 5 from above, and a concave surface portion 22 for receiving the mounting flange 8 of the button holder 5 at the periphery of the opening 21.
Are formed. The opening 21 has a shape in which the rear side thereof is widened to the left and right sides, and the front edge 21a of the widened portion has a function of preventing the button holder 5 from falling off.

FIG. 7 is a vertical sectional view showing a state in which the button holder 5 is mounted in the mounting hole 19, and FIG. 8 is a BB line in FIG.
The arrow cross section is shown.

To attach the button holder 5 to the mounting hole 19 of the door trim 20,
As described above, the housing 7 of the button holder 5 is inserted from above.
This is done by inserting the rear part into the opening 21 of the mounting hole 19. At this time, the locking projections 11 on both sides of the housing 7 slide down on the front side of the front edge 21a of the opening 21 expanding portion as shown in FIG. 12a
Is pressed against the lower edge of the opening 21 of the mounting hole 19 and is bent and deformed rearward while descending, and the hook portion 13a of the other locking piece 13 is also pressed against the upper edge of the opening 21 of the mounting hole 19. It is flexed and deformed forward while descending. When the button holder 5 is pushed down to the mounting position, the hook 12a of the locking piece 12 is at the lower edge of the opening 21, and the other locking piece 13 is the hook 13a as shown in FIG. Opening 2
The upper ends of the button holders 5 are respectively locked to prevent the button holder 5 from coming out upward. On the other hand, the housing 7
Since the locking projections 11 on both sides are locked to the front edge 21a of the opening 21 widened portion, the button holder 5 is prevented from falling off forwardly, which prevents the button holder 5 from being fixed to the door trim 20. Get rid of.

As described above, the lock button 6 is attached to the button holder 5 attached to the door trim 20 in this manner, and the locking / unlocking mechanism provided in the inner space of the door is connected to the connecting portion 18 of the lock button 6. It

Then, by sliding the lock button 6 up and down, the locking and unlocking operations of the locking / unlocking mechanism are performed. At this time, since the locking fins 6 and the engaging projections 17 on both sides of the plate body 14 of the lock button 6 engage with the corresponding guide grooves 10 of the button holder 5 and slide up and down, the lock button 6 wobbles forward and backward. It can move up and down smoothly without any trouble. Further, the engaging fins 16 of the lock button 6 are elastically engaged with the groove bottom surface of the guide groove 10 to prevent the lock button 6 from being dull in the width direction.

(Effect of the Invention) As described above, the vehicle door lock device of the present invention is
Since the elastic protrusions formed on both sides of the lock button slide by engaging the guide grooves so as to make elastic contact with the bottom surfaces of the guide grooves on both sides of the button holder, the lock button does not tilt forward and The rattling in the width direction of the button can be suppressed, and the lock button can slide stably with respect to the button holder without swaying, and the operability can be improved.

[Brief description of drawings]

1A and 1B are perspective views of a button holder and a lock button in an automobile door lock device according to an embodiment of the present invention, and FIG. 2 is a perspective view showing a state in which a lock button is attached to the button holder. FIG. 3 is a vertical sectional view of the button holder, FIG. 4 is a perspective view of a main part of a door trim to which the button holder is attached, and FIGS. 5 and 6 are enlarged plan views of mounting holes formed in the door trim. FIG. 7 is an enlarged front view, FIG. 7 is a vertical cross-sectional view showing a state in which a button holder of a door trim is fixed, FIG. 8 is a cross-sectional view taken along the line BB in FIG. 7, and FIG. 9 is a conventional vehicle door lock device. FIG. 6 is a vertical cross-sectional view showing a mounted state of a lock button of the button holder in FIG. 5 ... Button holder, 6 ... Lock button, 10 ... Guide groove, 16 ... Engaging fin, 17 ... Engaging ridge

Claims (1)

[Scope of utility model registration request] 1. A door lock device for an automobile, wherein a lock button is slidably mounted on a button holder fixed to a door trim, and a locking / unlocking mechanism is operated by a sliding operation of the lock button. A bottomed guide groove extending in the slide direction of the lock button is formed on both side walls of the lock button mounting portion, elastic protrusions elastically contacting the bottom surface of the guide groove are formed on both side portions of the lock button, and the lock groove is provided in the guide groove. A vehicle door lock device characterized in that both sides of a button are slidably engaged.