JPH0771149A - Door lock device for vehicle - Google Patents

Abstract

PURPOSE:To open a door by sliding a cylinder lock 4 outward of the door through an outer lever, and to attach a door lock device to the door only by forming a cylinder lock arranging hole and a hole for an outer handle body attaching fastener on the door, and to secure necessary strength even in the case of the door made of glass. CONSTITUTION:A cylinder lock 4 to make an engaging body disengageable from an engaged section on a vehicle body side by its locking action through a lock locking means 9 is supported so as to be slidable toward the inside and outside of the door on an outer handle body 3 fixed to the outside of the door 2. An end of the outer lever 8 supported on the outer handle body 3 is engaged with the outer end side of the door of the cylinder lock 4 so as to slide the cylinder lock 4 outward of the door by the turning operation toward the outside of the door. An interlocking means 10 to actuate an engagement releasing means 7 by sliding the cylinder lock 4 outward of the door is provided between the door inner end side of the cylinder lock 4 and the engagement releasing means 7 to make the engaging body releasable from the engaged section.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door lock device used for a door of a vehicle cabin such as a tractor.

[0002]

2. Description of the Related Art In a door of a tractor cabin, a plate member is provided at an intermediate portion in the vertical direction of the door and a door lock device is attached thereto. The door lock device has the same structure as that of a passenger car. An outer handle body provided on the door, a cylinder lock provided on the outer handle body and penetrating the door, an engagement body engaging with an engaged portion on the vehicle body side, and an outer handle body pivotally supported. An outer lever that allows the engaging body to be disengaged from the engaged portion via the engagement releasing means, and a lock that is coupled to the cylinder lock and that locks the engaging body so that the engaging body cannot be disengaged from the engaged portion. And locking means.

In the above-mentioned prior art, the outer handle body is attached to a metal plate fixed to the door, and is arranged so as to penetrate through a large hole of the door and project outward from the inside thereof to disengage from the outer lever. The connection with the means is also made through this large hole.

[0004]

By the way, in recent years, in the tractor, it has been considered that the cabin door is made of glass in order to improve the side view. In that case, a metal plate to which the outer handle body is attached is attached. Must be removed as it will hinder visibility. However, forming a large hole in the glass through which the outer handle body can be inserted causes a decrease in the strength of the door and makes it easier to crack. Therefore, it is difficult to use the conventional door lock device as it is.

According to the present invention, the outer handle main body is fixed to the outer surface of the door, the cylinder lock is supported slidably inward and outward of the door with respect to the outer handle main body, and the outer lever slides the cylinder lock outward. , A structure in which this cylinder lock can also operate the disengagement means, so that the door can be mounted only by forming a cylinder lock placement hole and a fastener hole for attaching the outer handle body in the door. An object is to provide a door lock device.

[0006]

The specific means for solving the problems in the present invention are the outer handle body 3 provided on the door 2 and the cylinder lock 4 provided on the outer handle body 3 and penetrating the door 2. And an engaging body 6 that engages with the engaged portion 5 on the vehicle body side, and an engaging body 6 that is pivotally supported by the outer handle body 3 and is disengaged from the engaged portion 5 via an engagement releasing means 7. A door lock device for a vehicle having an outer lever 8 for enabling the lock, and a lock lock means 9 for locking the engagement body 6 from the engaged portion 5 by the locking operation, the lock lock means 9 being connected to the cylinder lock 4. A cylinder lock 4 is slidably supported in an inward / outward direction of the door with respect to an outer handle body 3 fixed to an outer surface of the door, and an end portion of an outer lever 8 is pivoted outward to move the cylinder lock 4 out of the door. Outside of the cylinder lock 4 door to slide Interlocking means 10 that engages with the side of the cylinder lock 4 and operates the engagement releasing means 7 by sliding the door outside of the cylinder lock 4 between the door inner end side of the cylinder lock 4 and the engagement releasing means 7. Is.

[0007]

When the outer lever 8 supported by the outer handle body 3 provided on the door 2 is rotated, the end of the outer lever 8 is rotated outward to slide the cylinder lock 4 outward. When the cylinder lock 4 slides outward from the door, the engagement releasing means 7 is operated via the interlocking means 10 to move the engaging body 6 into the engaged portion 5
From which the engagement can be released. As a result, the door 2 can be opened by pulling the door 2 through the outer handle body 3.

When the cylinder lock 4 is rotated by the key, the lock lock means 9 is operated, and the locking operation makes the engagement body 6 disengageable from the engaged portion 5. The outer handle body 3 is fixed to the outer surface of the door 2, the outer lever 8 is supported by the outer handle body 3, and both the lock lock means 9 and the interlock means 10 are provided on the inner end side of the door of the cylinder lock 4. The door lock device 1 is attached to 2 by simply forming a hole for disposing the cylinder lock 4 and a hole for a fastener to which the outer handle body 3 is attached.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. 1-3, 1 is a door lock device provided in the glass door 2 of the tractor cabin. The door lock device 1 is roughly classified into an outer handle body 3 provided on the door 2, a cylinder lock 4 provided on the outer handle body 3, and an engagement body 6 that engages with an engaged portion 5 on the vehicle body side. , An outer lever 8 pivotally supported by the outer handle body 3, an engagement releasing means 7 capable of releasing the engagement body 6 from the engaged portion 5, and an engagement body 6 releasing the engagement portion 5 from the engaged portion 5. It has a lock lock means 9 for disabling it, and further, an inner handle 11 and an inner lock member 12 are arranged inside the door 2.

The outer handle body 3 is made of plastic or the like and has a long and narrow shape. The outer handle body 3 is abutted against the outer surface of the door 2 and has fasteners 15 such as a plurality of bolts (for example, three bolts) penetrating through the fastener holes 14 of the door 2. Is stuck by. A cylinder lock 4 is slidably inserted in the door 2 inward and outward directions at one end of the outer handle body 3. The cylinder lock 4 is fitted with a holder 17 having a flange 16 on the outer end side of the door 2, and the inner end side of the door 2 penetrates the door 2 through a cylinder lock hole 18 formed in the door 2. A receiving plate 20 is attached to the inner end of the door 2 of the cylinder lock 4 via a retaining ring 19, and a return spring 21 provided between the receiving plate 20 and the outer handle body 3 causes the cylinder lock 4 to move to the door. 2 It is suppressed inward.

The cylinder lock 4 can be rotated by inserting a key, and the end of the door 2 on the inner end side is L-shaped.
When the character-shaped actuating piece 22 is fixed and slides on the cylinder lock 4, the actuating piece 22 moves axially with the cylinder lock 4 into the cylinder lock hole 18, and when the cylinder lock 4 is rotated. Rotate integrally. Cylinder lock hole 18
The hole diameter can be made as small as possible by reducing the radial projection amount of the retaining ring 19 and the operating piece 21 from the cylinder lock 4.

Reference numeral 8 denotes an outer lever pivotally supported on the other end side of the outer handle main body 3 via a support shaft 24, which also serves as a handle holding member, and a hole-shaped engaging portion 25 is formed at the tip thereof. Is fitted into the holder 17 and the flange 16
Can be engaged with. When the outer lever 8 is rotated by pulling the end portion thereof to the outside of the door, the engaging portion 25 slides the cylinder lock 4 together with the holder 17 toward the outside of the door against the return spring 21 to operate. The piece 22 can be moved outside the door.

A support frame 28 is fixed to the inner surface of the door 2 via the fastener 15. Shafts 29, 30, and 31 are supported by the support frame 28, and
A guide groove 32 into which the engaged portion 5 can be introduced is formed.
The engagement body 6 is rotatably supported by the shaft 29, and is engageable with the engaged portion 5 fixed to the vehicle body, which is introduced into the guide groove 32, and the lock supported by the shaft 30 by the engagement body 6. The piece 33 is engageable, and the return rotation of the engagement body 6 is prevented by engaging in the state of FIG.

An actuating body 35 and a releasing body 36 are supported on the shaft 30, and a connecting pin 37 provided on the actuating body 35 penetrates an arc-shaped long hole 38 of the support frame 28 to lock the lock piece 33.
The lock piece 33 is integrally rotated by the rotation of the actuating body 35. The actuating body 35 is further formed with a recess 39 and an abutting portion 40. The releasing body 36 has a three-pronged shape, and a long hole 42 extending radially outward from the shaft 30 side is formed in the first leg portion, and the pin 4 is formed in the long hole 42.
3 is inserted, and the pin 43 and the inner lock member 12 are connected by a link 44. By moving the pin 43 in the long hole 42, the state in which the pin 43 faces the recess 39 and the state in which the pin 43 contacts the contact portion 40 are changed.

The release member 36 has a second leg portion connected to a tension spring 45 which urges it in the counterclockwise direction in FIG. 1, and a pusher portion 48 is formed at the tip end thereof, and is connected to the support frame 28 via a shaft 49. The supported inner handle 11 is in contact with the pushing portion 48, and by rotating the inner handle 11, the releasing body 36 can be turned clockwise in FIG. 1 via the pushing portion 48. ing.

The tip of the third leg portion of the releasing body 36 has the interlocked portion 4
6 and engages with the interlocking portion 47 at the tip of the operating piece 22, and when the operating piece 22 moves to the outside of the door 2, the release member 36 resists the tension spring 45 and moves clockwise in FIG. It is designed to rotate. Interlocking portion 47 of the operating piece 22
When the cylinder lock 4 is rotated in the lock direction, the engagement with the interlocked portion 46 is released, and the release body 36 does not rotate even if the operating piece 22 moves.

The rotation of the release member 36 in the clockwise direction in FIG.
Since the pin 43 in the long hole 42 is accompanied, the pin 43
The actuating body 35 is rotated together with the contact portion 40 that is in contact with. With the pin 43 facing the recess 39,
The rotation of the release body 36 is not transmitted to the actuating body 35. It is the inner lock member 1 that opposes the pin 43 to the recess 39.
It is 2. The inner lock member 12 is pivotally supported by a shaft 31, the link 44 is connected to the end of the inner lock member 12, and an arcuate elongated hole 51 centered on the shaft 31 is formed. One end is connected. The other end of the interlocking rod 52 is engaged with a long hole 53 formed in the actuating piece 22 in parallel with the four axes of the cylinder lock so as to be relatively movable.

Therefore, when the inner lock member 12 is artificially rocked counterclockwise in FIG. 1 or the operating piece 22 is rotated through the cylinder lock 4, the link 44 is pushed up and the pin 43 abuts. From the position facing the portion 40 to the recess 39
Is moved to a position opposed to, and the rotation of the release body 36 is not transmitted to the actuation body 35. The inner lock member 12 can be held at the rotating position.

The releasing member 36, the actuating member 35, the pin 43,
By the contact portion 40, the connecting pin 37, the lock piece 33, etc.,
Engagement releasing means 7 for disengaging the engaging body 6 from the engaged portion 5 is configured, and the outer lever 8 is provided by the engagement of the interlocking portion 47 of the operating piece 22 and the interlocked portion 46 of the releasing body 36. Disengagement means 7 by sliding the cylinder lock 4 outward by the door
The interlocking means 10 for operating the. And
The inner handle 11 is linked to the engagement releasing means 7.

The elongated hole 53 of the operating piece 22, the interlocking rod 52, the inner lock member 12, the link 44, and the pin 4 are also included.
3, the recess 39, the lock piece 33, and the like constitute lock locking means 9 that makes it impossible to disengage the engaging body 6 from the engaged portion 5 even when the outer lever 8 is rotated.

[0021]

According to the present invention described in detail above, the cylinder lock 4 is supported slidably in the inside and outside directions of the door with respect to the outer handle body 3 fixed to the outer surface of the door, and the end portion of the outer lever 8 is placed outside the door. It is engaged with the door outer end side of the cylinder lock 4 so as to slide the cylinder lock 4 outward of the door by a turning operation toward one side, and between the door inner end side of the cylinder lock 4 and the disengagement means 7. Since the interlocking means 10 for operating the engagement releasing means 7 by sliding the cylinder lock 4 outward of the door is provided, the door 2 can be opened by sliding the cylinder lock 4 outward through the outer lever 8. The door lock device 1 can be mounted on the door 2 simply by forming the cylinder lock 4 disposing hole and the outer handle body 3 hole on the door 2 and forming the hole for the fastener 15. Moreover, the door 2 is made of glass. However, the required strength can be secured.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is a cross-sectional view of an engagement body and its vicinity.

3 is a sectional view taken along line XX of FIG.

[Explanation of symbols]

 1 Door Lock Device 2 Door 3 Outer Handle Main Body 4 Cylinder Lock 5 Engagement Part 6 Engagement Body 7 Engagement Release Means 8 Outer Lever 9 Lock Lock Means 10 Interlocking Means 11 Inner Handle 12 Inner Lock Member 14 Fastener Hole 15 Fastener 18 Cylinder lock hole 22 Operating piece

Claims (1)

[Claims] 1. An outer handle main body (3) provided on a door (2), a cylinder lock (4) provided on the outer handle main body (3) and penetrating the door (2), and an engaged member on a vehicle body side. The engaging body (6) that engages with the mating portion (5) and the engaging body (6) that is pivotally supported by the outer handle body (3) and that engages with the engaging body (6) via the engagement releasing means (7). ), Which is disengageable from the outer lever (8), and the cylinder lock (4), and the engaging body (6) is engaged by the locking operation of the cylinder lock (4).
In a vehicle door lock device having lock lock means (9) for disengagement from the door, the cylinder lock (4) slides inward and outward of the door with respect to an outer handle body (3) fixed to the outer surface of the door. The outer lever (8) engages with the outer end of the cylinder lock (4) so as to slide the cylinder lock (4) outward of the door by rotating the end of the outer lever (8) outward. , The cylinder lock (4) between the door inner end side of the cylinder lock (4) and the engagement releasing means (7).
5. A vehicle door lock device, characterized in that it is provided with interlocking means (10) for operating the engagement releasing means (7) by sliding the door outward.