JPH0223741Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a locking device for an automobile door equipped with a wedge bumper in which a striker faces into a striker entry groove.

As a conventional automobile door lock device (side door lock, back door lock, trunk lock, etc.), there is one shown in FIG. 1, for example.

That is, in the lock device 1, a fork-type latch 13 and a pawl 14 that engages and disengages the latch 13 are pivotally supported on a lock device main body 12 in which an entry groove 11 is formed facing the direction in which the striker A approaches. The entrance 15 of the groove 11 is widened in a tapered shape to receive the striker A, a stopper 16 is provided at the far end of the entrance groove 11, and a wedge bumper 2 is provided on the entrance 15 side from the stopper 16. The wedge bumper 2 has a rod 21 inserted into a housing 17 formed in the lock device main body 12.
is inserted and slidably supported within the storage portion 17, and is biased by a compression coil spring 22 to a position pushed out in the direction of the entrance 15 of the entry groove 11.

However, such a conventional lock device 1
In this case, the compression coil spring 22 that biases the wedge bumper 2 is built into the wedge bumper 2 or the housing section 17, so in order to obtain sufficient biasing force, the wedge bumper 2 must be made larger or the housing section 17 must be made wider. This hinders miniaturization and weight reduction. In addition, since the compression coil spring 22 must be installed in a narrow space, there is a problem in that work efficiency is poor and process rationalization and automation are hindered.

The present invention has been developed by focusing on these conventional problems, and aims to solve the above problems by allowing the spring that biases the wedge bumper 2 to be attached from the outside of the locking device body. .

In order to achieve this purpose, in the present invention, an engaging pin is provided protruding from the side surface of the wedge bumper.
A biasing spring engages with the engagement pin in order to cause the engagement pin to protrude toward the outer surface of the side wall through a long hole formed in the side wall of the lock device main body, and to push the wedge bumper toward the entrance of the entry groove and position it. A locking device for an automobile door is characterized in that a locking device is provided on the outer surface side, and a biasing spring can be attached from the outer surface side.

Hereinafter, one embodiment of the present invention will be described based on the drawings. Note that the same parts as in the conventional example are given the same reference numerals and redundant explanations will be omitted.

2 to 5 show an embodiment of the present invention, and the locking device main body 12 consists of a body 12c held between a base plate 12a and a cover plate 12b as shown in FIG. The body 12c is provided in an entry groove accommodating portion 18 formed by protruding from the intermediate portion of the base plate 12a, and the outer surface of the entry groove accommodating portion 18 forms a side wall 19 of the entry groove 11.

As shown in FIG. 2, FIG. 3, and FIG.
The wedge bumper 2 is slidably supported within the storage section 17 on the 5 side, and the bottom 23 of the wedge bumper 2 is in sliding contact with the bottom surface 17a of the storage section 17, and the surface opposite to the bottom 23 is supported in the direction of the entrance 15 of the entry groove 11. It is inclined and forms a contact surface 24 facing the striker A. Furthermore, the slightly entrance 1 of the one side 25 of the wedge bumper 2
An engaging pin 26 is provided protrudingly near the side wall 19.
The wedge bumper 2 protrudes toward the outer surface of the side wall 19 through a horizontally long hole 10 extending substantially along the direction of entry of the wedge bumper 2, and guides the wedge bumper 2 so that it can move forward and backward. It is installed protruding into.

A biasing spring 3 is provided on the outer surface of the base plate 12a near the elongated hole 10 from which the engagement pin 26 and the locking piece 26a protrude. The coil portion 32 is wound around the coil portion 32, and one end 34 is locked to a stopper pin 33 provided upright on the base plate 12a.
The other end 35 engages with the engagement pin 26 to push the wedge bumper 2 toward the entrance 15 of the entry groove 11 and position it there. The other end 35 engages with the engagement pin 26 so as to be sandwiched between the engagement piece 26a of the engagement pin 26 and the side wall 19, thereby preventing the engagement pin 26 from slipping out of the elongated hole 10. Thus, the wedge bumper 2 is securely held within the storage portion 17.

In the lock device 1 having the above configuration, as shown in FIG.
5, and while rotating the latch 13, which is located at the imaginary line position, in the clockwise direction in the figure, it comes into contact with the stopper 16 at the far end of the entry groove 11, and is locked at the position shown by the imaginary line. The wedge bumper 2 comes into contact with the contact surface 24 of the wedge bumper 2 and advances while moving the wedge bumper 2 backward against the urging force of the urging spring 3.
Since the abutting surface 24 is inclined, the striker A comes into contact with the abutting surface 24 at an appropriate position regardless of the error in the advancing direction, and when the striker A is locked with the latch 13 at the far end of the advancing groove 11, the wedge bumper 2 suppresses vertical wobbling.

In order to assemble the wedge bumper 2, the wedge bumper 2 is housed in the storage portion 17, and the engagement pin 26 is projected through the long hole 10 of the side wall 19 as an assembling operation inside the lock device main body 12. Next, the coil portion 32 of the biasing spring 3 is wound around the support pin 31 on the front side of the locking device main body 12, and one end 34 is locked to the stopper pin 33, and the other end 35 is connected to the locking piece 26a of the engagement pin 26. Just hook it under and lock it.

Note that the biasing spring 3 is not limited to a coil spring, but may also be a plate spring or other spring.

According to the locking device of the present invention, since the biasing spring can be attached to the outer surface of the base plate or the outer surface of the side wall, the wedge bumper can be made smaller and lighter, and the biasing spring can be attached to the outer surface of the base plate or the side wall. Since it can be installed in a wide space, installation workability is improved and sufficient spring characteristics can be obtained, which contributes to miniaturization and weight reduction of the lock device as a whole, as well as process rationalization and automation.

[Brief explanation of the drawing]

Fig. 1 is a front view of a conventional locking device with the cover plate removed, Figs. 2 to 5 show an embodiment of the present invention, and Fig. 2 is a front view of the locking device with the cover plate removed. 3 is a rear view of the locking device, FIG. 4 is a view taken along the arrow in FIG. 3, and FIG. 5 is a cross-sectional view along the line shown in FIG. 3. DESCRIPTION OF SYMBOLS 1...Lock device, 10...Long hole, 11...Entry groove, 12...Lock device main body, 15...Inlet (of the approach groove), 17...Storage section, 2...Wedge bumper, 26...Register Matching pin, 3...biasing spring.

Claims (1)

[Scope of utility model registration request] In a locking device for an automobile door equipped with a wedge bumper with a striker facing into the striker entry groove, an engaging pin is provided protruding from the side surface of the wedge bumper, and the engaging pin is inserted through a long hole made in the side wall of the locking device body. An automobile door characterized in that a biasing spring is provided on the outer surface side of the side wall and engages with the engagement pin so as to push out the wedge bumper toward the entrance of the entrance groove and position it. locking device.