JPH063921Y2 - Door lock device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a door lock device used for a side door or the like of an automobile.

(Prior Art) A door lock device is generally composed of a striker engagement device and a lever device. Among them, the striker engagement device includes a fork that engages with the striker, and a claw lever that locks the fork and restricts its rotation to maintain the engagement between the fork and the striker. In addition, the lever device includes a push lever that pushes the claw lever of the striker engagement device through the link member to release the lock of the striker to the fork, and allows the striker to be separated from the fork, and the link member. It consists of a lock plate that moves to the locked and unlocked positions.

The door lock device is assembled by first mounting the striker engagement device and the lever device on separate mounting boards, then temporarily assembling both mounting boards and assembling them on the door panel. The mounting board of the striker engagement device is attached by the.

Here, when the striker engagement device and the lever device are attached to their respective attachment substrates, it is general to attach the claw lever or the lock plate, for example, to a support shaft that is caulked and fixed to the attachment substrate.

(Problems to be solved by the invention) However, in the conventional door lock device described above, when temporarily attaching the mounting board having the striker engagement device mounted thereto and the mounting board having the lever device mounted thereto, both mounting boards are mounted. There is a problem that it is easily displaced and positioning is difficult.

Therefore, the support shaft of a claw lever of the striker engagement device and the support shaft of a lock plate of the lever device are made to be common, and first, one end of the common shaft is swaged and fixed to the mounting board of the lever device. After the lock plate is pivotally supported, the claw lever and its mounting board are inserted into the other end of the common shaft so that the common shaft can be used for positioning the two mounting boards when temporarily assembled. There is.

However, with this one, even if the common shaft and the mounting board are tried to be caulked after inserting the claw lever and the mounting board into the common shaft, the lock plate is already attached to the lever device side, which is the receiving side, and Since it is unstable in order to be stable, the fixing by caulking is not actually performed, and the claw lever side of the common shaft is temporarily assembled while being inserted into the claw lever and its mounting substrate. Therefore, there is a problem that it is easy to rattle and is weak in strength.

The present invention has been made in view of such problems, and a door that can surely fix a lever device and a striker engagement device to a mounting substrate and that can easily position both mounting substrates when temporarily assembled. An object is to provide a locking device.

(Means for Solving the Problems) In order to solve the above problems, the present invention provides a fork that engages with a striker, and a claw lever that regulates the rotation of the fork to maintain the engagement between the fork and the striker. And a protection plate made of a resin material mounted on the first mounting substrate so as to cover the fork and the claw lever, and the claw lever by unlocking or locking operation. A second mounting substrate that pivotally supports a lever device including a lock plate that controls the rotation of the lock lever, the support shaft of the claw lever and the support shaft of the lock plate are provided on the same center line, and are integrally fitted. In addition, the first mounting board and the protective plate are held between the second mounting board and the door panel.

(Operation) According to the above configuration, the striker engagement device is separately supported on the first mounting substrate and the lever device is separately supported on the second mounting substrate, and the claw lever is provided on the second mounting substrate and the second mounting substrate. It is attached by a protective plate that is temporarily fixed to the mounting substrate.

When temporarily assembling the first mounting board and the second mounting board, when the support shaft of the lock plate of the second mounting board is fitted to the support shaft of the claw lever of the first mounting board, the second mounting board becomes the first mounting board. Be positioned at.

When the second mounting board is assembled to the door panel so as to sandwich the first mounting board, the first mounting board and the protective plate are sandwiched between the second mounting board and the door panel.

Also, the support shaft of the lock plate and the support shaft of the claw lever are
They are fitted together and fixed at both ends, and are firmly supported against the impact force acting on the claw lever.

(Embodiment) Next, an embodiment of the present invention will be described with reference to the accompanying drawings.

1 to 4 show a door lock device according to the present invention,
It comprises a striker engagement device 1 and a lever device 2.

As shown in FIGS. 2 and 3, the striker engagement device 1 is composed of a fork 3 and a claw lever 4, and is forked and fixed to the first mounting substrate 5 by a fork support shaft 6 and a claw lever support shaft. 7 are rotatably fitted to each other.

The striker engagement device 1 is covered with a protective plate 8 made of a resin material, and a fork support shaft 6 and a claw lever support shaft 7 project from the protective plate 8. The protection plate 8 is held by the collar portion 11 of the fork support shaft 6 and attached to the first mounting substrate 5, and holds the fork 3 and the claw lever 4 in place to prevent them from coming off, and when the striker 9 is engaged. It is a soundproof material.

A lever device 2 to be described later is provided on the end surface of the claw lever support shaft 7.
The fitting hole 10 into which the protrusion 29 of the lock plate support shaft 26 is fitted is formed.

Reference numeral 12 is a spring that is inserted into the claw lever support shaft 7 and urges the claw lever 4 in the counterclockwise direction in FIG. 2, and 13 is inserted into the fork support shaft 6 and is attached to the fork 3 Is a spring that presses against the first mounting substrate 5 and urges it clockwise in FIG.

As shown in FIG. 2, the striker engagement device 1 is configured such that the fork 3 receives the striker 9 entering the striker entry path 14 formed in the first mounting substrate 5 into the striker engagement portion 6 while While rotating counterclockwise in the figure against the biasing force, the claw portion 1 formed at the tip of the claw lever 4
6 is in sliding contact with the outer peripheral end surface of the fork 3 and is locked to the step portion 17 to prevent the fork 3 from rotating in the reverse direction, thereby forming a closing formed by the striker engagement portion 15 of the fork 3 and the striker entry path 14. The striker 9 is irremovably held in the space.

The lever device 2 includes a push lever 18, an inner lever 19, a lock plate 20, and a link member 21.

The push lever 18 is rotatably fitted to a push lever support shaft 23 that is swaged and fixed to the second mounting substrate 22, and is biased clockwise by a coil spring 24 in FIG.

The inner lever 19 is fitted to the inner lever support shaft 25 that is swaged and fixed to the second mounting substrate 22, and is rotatable in a plane perpendicular to the rotation surface of the push lever 18, and is The push lever 18 is engaged and the other end is connected to an inner handle (not shown), and is rotated by operating the inner handle to rotate the lever 18 counterclockwise in FIG. 1 against the biasing force. .

The lock plate 20 is rotatably fitted to a lock plate support shaft 26 that is swaged and fixed to the second mounting substrate 22, one end is connected to a lock knob (not shown) inside the door, and the other end is outside the door. Is connected to a key cylinder (not shown), and the other end is attached by being engaged with a link member 21 described later, and is rotated by a lock knob or key operation to move the link member 21 to a lock position and an unlock position. It is a thing.

The link member 21 is rotatably attached to the push lever 18 by a shaft 34 together with a rod 27, one end of which is connected to an outer handle (not shown), and the other end is attached to engage with the lock plate 20. Is a pressing portion 2 for pressing and rotating the claw lever 4.
3 is formed. And this link member 21
With the rotation of the lock plate 20, the pressing portion 28 swings idly and the claw lever 4 cannot be pressed to a locked position,
It can be moved to an unlock position where it can be pressed.
The link member 21 slides downward in FIG. 1 by the rotation of the push lever 18 or the operation of the outer handle so that the pressing portion 28 presses the claw lever 4 to rotate it. Has become.

By the way, as shown in FIG. 3, the lock plate support shaft 26 of the lever device 2 has a protrusion 29 that fits into the fitting hole 10 of the claw lever support shaft 7 of the striker engagement device 1.
And a support hole 30 into which the tip of the fork support shaft 6 of the striker engagement device 1 fits is formed in the second mounting substrate 22.

To assemble the door lock device configured as described above, first,
The striker engagement device 1 and the protection plate 8 are attached to the first mounting substrate 5.
The lever devices 2 are separately mounted on the second mounting substrate 22.

That is, on the first mounting substrate 5, as shown in FIG.
After disposing the fork 3, the claw lever 4 and the coil spring 13 at predetermined positions and covering them with the protective plate 8, the fork supporting shaft 6
Then, the claw lever support shafts 7 are fitted, and the lower ends of the claw lever support shafts 7 are swaged and fixed to the first mounting substrate 5. As a result, the protective plate 8
Is prevented from coming off from the fork support shaft 6 and the claw lever support shaft 7 by the collar portion 11 of the fork support shaft 6. In addition, the fork 3 and the claw lever 4 include the protection plate 8 and the second mounting substrate 22.
It is held in place and securely attached without coming off.

On the other hand, as shown in FIG. 3, the second mounting board 22 has a lock plate supporting shaft 26 fitted to the second mounting board 22 from below in FIG. 1, a lock plate 20 and a washer 32.
Are fitted and the upper end of the lock plate support shaft 26 is swaged to prevent the lock plate support shaft 26 from coming off. Similarly, the inner lever shaft 25 fitted to the inner lever 19 is fitted to the second mounting substrate 22 from the left as shown in FIG. 1, and the right end is caulked and fixed. Then, after the other end side of the link member 21 attached to the push lever 18 together with the rod 27 is engaged with the lock plate 20, the push lever support shaft 23 fitted to the push lever 18 is attached as shown in FIG. , Fitting from the upper side in the figure and caulking the lower end to fix. Thereby, each member of the lever device 2 is securely attached.

Next, after inserting the coil spring 12 into the claw lever support shaft 7 of the first mounting substrate 5, the fitting hole 10 of the claw lever support shaft 7 is inserted.
The projection 29 of the lock plate support shaft 26 of the second mounting board 22 is fitted to the above, and the fork support shaft 6 of the first mounting board 5 is fitted into the support hole 30 of the second mounting board 22.
Then, the first mounting board 5 and the second mounting board 22 are screwed with the temporary set screw 31. As a result, the second mounting board 22 is reliably positioned and temporarily assembled to the first mounting board 5 without being displaced, as shown in FIG.

Then, in this temporarily assembled state, it is applied to a predetermined position of the door panel (not shown), and the mounting screws 33, 33, 33 are inserted from the second mounting substrate 22 side and fastened to the door panel. As a result, the first mounting substrate 5 and the protection plate 8 are
The mounting board 22 and the door panel are held together and assembled.

In this state, the claw lever support shaft 7 is fitted and integrated with the lock plate support shaft 26, as shown in FIG.
Both ends are fixedly supported by the first mounting substrate 5 and the second mounting substrate 22 to be extremely strong. Therefore, the first mounting substrate 5 will not be deformed and the claw lever 4 will not rattle due to the impact force acting on the claw lever 4 when the door is opened and closed.

Further, even after assembling on the door panel, if the mounting screws 33, 33, 33 are removed, it can be removed in the temporarily assembled state, so that parts replacement and repair are easy.

In the above embodiment, the protrusion 29 is formed on the lock plate support shaft 26 and the fitting hole 10 is formed on the claw lever support shaft 7. However, the present invention is not limited to this, and the protrusion is formed on the claw lever support shaft 7. A fitting hole may be formed in the shaft 26.

(Effect of the Invention) As is apparent from the above description, according to the present invention, the first
Attaching the striker engagement device to the attachment substrate, and the second
The lever device can be reliably attached to the attachment substrate.

Further, since the first mounting board and the second mounting board are easily positioned and are not displaced, the temporary assembly can be performed quickly.

Further, even if the first mounting substrate is assembled to the door panel in the temporarily assembled state, the first mounting substrate and the second mounting substrate are sandwiched between the second mounting substrate and the door panel. Therefore, it is not necessary to fix them, and the assembly is extremely easy.

Further, since the claw lever support shaft and the lock plate support shaft are integrally fitted and strengthened, there is an effect that they do not rattle due to an impact force when the door is opened and closed.

[Brief description of drawings]

FIG. 1 is a front view of a door lock device according to the present invention, FIG. 2 is a rear view of FIG. 1, and FIGS. 3 and 4 are sectional views taken along the line I--I of FIG. It shows a state after temporary assembly. DESCRIPTION OF SYMBOLS 1 ... Strike engaging part, 2 ... Lever device, 3 ... Fork, 4 ... Claw lever, 5 ... 1st mounting substrate, 7 ... Claw lever support shaft, 8 ... Protective plate, 9 ... Striker, 10 ... Fitting hole, 20 ... Lock plate, 26 ... Lock plate support shaft, 29 ... Projection part.

Claims (1)

[Scope of utility model registration request] 1. A first mounting board pivotally supporting a striker engagement device, which comprises a fork engaging with a striker and a claw lever for regulating the rotation of the fork to maintain the engagement between the fork and the striker. A lever device including a protective plate made of a resin material attached to the first attachment substrate so as to cover the fork and the claw lever, and a lock plate for controlling the rotation of the claw lever by an unlocking or locking operation is pivotally supported. A second mounting substrate, the support shaft of the claw lever and the support shaft of the lock plate are provided on the same center line, and
A door lock device, characterized in that it is integrally fitted and that the first mounting substrate and the protective plate are sandwiched between the second mounting substrate and the door panel.