JPH061999Y2 - Car door lock device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a vehicle door lock device.

(Prior Art) Generally, an automobile door lock device is provided on the inner side of a door.
A lock device main body having an open lever for unlocking is provided, and a handle provided with an interlocking body for swinging the open lever is attached near the lock device main body on the outer surface side of the door. Along with the operation
By performing the swinging operation of the open lever via the interlocking body, the lock device main body is operated to unlock the door.

Thus, in the lock device for the rear door, the handle is supported so as to be vertically swingable in the vehicle width direction via a pivot extending in the vehicle front-rear direction, while the lock device body is provided for the door. Inside, since it is attached using the wall part of the wheel arch curved in an arc shape,
The open lever provided on the lock device main body is supported in an inclined shape in the front-rear direction of the vehicle body.

Further, in detail with reference to FIG. 4, the interlocking body (R) provided on the handle side has a locus (a) shown by an arrow in the figure around a pivot (G1) extending in the vehicle front-rear direction. ), The lock device body is attached by utilizing the curved wall portion of the wheel arch, so that the open lever (L) of the lock device body is attached to the front and rear of the vehicle body. With respect to the locus (a) of the interlocking body (R), the support shaft (G2) tilted vertically in the vertical direction is swung up and down along the locus (b) tilted by a predetermined angle. .

Thus, conventionally, the open lever (L) provided on the lock device main body has a substantially L-shaped cross section, and a wide contact surface (M) is formed on the tip end side, and is provided on the handle side. The tip end side of the interlocking body (R) has a substantially U-shaped cross section, and a projecting piece (T) that abuts the abutting surface (M) is formed on the tip end side, and the locus of the interlocking body (R). (A) By the swinging operation along the direction, the protrusion (T) pushes the contact surface (M) of the open lever (L),
Swing the open lever (L) in the locus (B) direction,
The swing of the open lever (L) causes the lock locus motion of the lock operation body.

(Problems to be Solved by the Invention) In the door lock device as described above, the following problems occur when the open lever (L) is swung by the interlocking body (R).

That is, when the interlocking body (R) is rocked along the trajectory (a) direction to, for example, the position (a) shown by the phantom line in FIG. 4, the protrusion of the interlocking body (R) The open lever (L) which is pushed by the piece (T) reaches the position (b) in the figure along the direction of the locus (b). The contact surface (M) and the contact surface (M) are in point contact with each other, and the locus (a) of the projecting piece (T).
On the other hand, the locus (B) of the contact surface (M) is inclined at a predetermined angle, and the contact surface (M) is swung in a direction away from the swing locus of the protrusion (T). , The protruding piece (T) and the contact surface (M) are respectively located at the respective positions (a).
When swung up to (b), the protruding piece (T) separates from the contact surface (M), and the unlocking operation of the lock device main body by the open lever (L) cannot be performed. There was an occasion.

Moreover, in the above door lock device, the contact surface (M) of the open lever (L) is formed by the protruding piece (T) of the interlocking body (R).
Since the pushing operation is performed in a point contact state, the swing contact resistance of the protruding piece (T) with respect to the contact surface (M) becomes large, and not only the operation feeling of the handle is bad. , The load at the time of operating this handle is the protrusion (T)
There is also a problem that the interlocking body (R) and the open lever (L) are likely to be early deteriorated by concentrating in one place on the contact surface (M).

The present invention has been made in view of the above-mentioned various problems, and an object thereof is not to cause early deterioration of the interlocking body, the open lever, and the like, and to have a good handle operation feeling. An object of the present invention is to provide a door lock device that can surely perform an unlocking operation of a lock device body.

(Means for Solving the Problems) In order to achieve the above object, according to the present invention, a lock device main body attached to a door has a wide width that swings in a vehicle body front-rear direction and via a support shaft that is inclined vertically. In addition to providing an unlocking open lever having a contact surface, the door is provided with a handle that swings via a pivot in the vehicle longitudinal direction, and the handle is brought into contact with the contact surface of the open lever, In a vehicle door lock device provided with an interlocking body for rocking the open lever to unlock the door, the interlocking body is formed of a rod member having a circular cross section, and the rod member is pivotally supported by the handle. The circular outer peripheral surface of the interlocking body is brought into contact with the contact surface of the open lever so as to overlap and contact the contact surface for a predetermined length or more. It is a thing.

(Operation) Then, as the interlocking body of the handle, a rod member having a circular cross section is used, and the circular outer peripheral surface of the rod member is brought into contact with the contact surface of the open lever for a predetermined length or more so as to overlap with each other. Therefore, during the swinging operation of the open lever by the interlocking body, the unlocking operation of the lock device body can be reliably performed without the rod member being separated from the abutting surface. By using the rod member, the sliding contact resistance of the rod member with respect to the contact surface becomes small, and the open lever and the like are not deteriorated at an early stage, and the operation feeling of the handle is good. It will be.

(Example) An example will be described with reference to the drawings.

FIG. 3 shows the overall structure of the automobile. Front and rear doors (D) are provided at the front and rear positions on the side of the vehicle body (B) in the direction of travel, respectively, and the front and rear doors (D) are vertically opened and closed. The handle (1) for unlocking is swingably supported on the rear side in the middle of the direction, and the handle (1) is also supported.
A lock device body (2) is provided near each door (D) inside the door (D), and the lock device body (2) is operated by swinging the handle (1) to move the door ( D)
I try to unlock it.

Further, the handle (1) includes a fixing frame (11) fixed to the door (D), as is clear from FIG.
An operating lever body (12) swingably supported by the fixed frame (11), and two support bodies extending in the vehicle width direction at the front and rear positions of the lever body (12) in the vehicle body traveling direction. The arms (13) (13) are integrally projectingly provided, and the support arms (13) are provided between a pair of projecting pieces (14) (14) projecting at the front and rear positions of the fixed frame (11). It is supported so as to be vertically swingable via a pivot shaft (G1) extending in the direction, and is interlocked with a bracket (15) at the tip end side of the rear arm (13) among the support arms (13). (16) is attached.

In FIG. 1, (17) is a spring interposed between the support arm (13) and the projecting piece (14) on the pivot (G1). The lever body (12) is always biased in the closing direction.

Further, the lock device body (2) comprises a lock case (21) having a lock mechanism built therein and an open lever (22) for unlocking the lock mechanism. The open lever (22) is used for the case (21). ) Support shaft (G
2) and the support shaft (G2) is tilted vertically in the longitudinal direction of the vehicle so that the lock case (21) and the open lever (22) are entirely in the longitudinal direction of the vehicle. The handle (1) is attached to the tip end of the open lever (22) while being inclined and supported.
The wide contact surface (22a) with which the interlocking body (16) provided on the lever body (12) side is contacted is formed in a substantially L shape.

In the lock device body (2), the open lever (22) is provided on the side of the case (21) with the support shaft (G).
Although it is supported in parallel via 2), the lock device body (2) provided on the rear door (D) has a curved wall portion (H) of a wheel arch in the vehicle body (B).
The support shaft (G2) is tilted vertically in the front-back direction of the vehicle body (B) so that the open lever (22) is
The support shaft (G2) is swung in a state of being inclined by a predetermined angle.

That is, as is clear from FIG. 2, the interlocking body (16) provided on the lever body (12) side of the handle (1) has the same structure about the pivot axis (G1) extending in the vehicle longitudinal direction. The rocker body is rocked up and down along the locus (a) indicated by the arrow in the figure, while the open lever (22) on the lock device body (2) side is tilted vertically in the vehicle longitudinal direction. With respect to the locus (a) of the interlocking body (16) about the support shaft (G2), it is vertically swung along a locus (b) inclined rearward by a predetermined angle.

In the door lock device for an automobile as described above, the interlocking body (1) attached to the lever body (12) is
6) is formed by a rod member (16) having a circular cross section, and the rod member (16) is attached to the bracket (1).
5) From one side, the pivot (G1) of the lever body (12)
The rod member (16) is extended to the contact surface (22a) of the open lever (22) supported on the lock device body (2) side for a predetermined length or more. While being polymerized, the circular outer peripheral surface of the rod member (16) is connected to the open lever (22).
The contact surface (22a) is contacted in a line contact state.

By doing so, the rod member (16) is moved along the direction of the locus (a) along with the swinging operation of the lever body (12), for example, to the position (a) shown by an imaginary line in FIG. When the open lever (22) pushed by the rod member (16) is swung up to the position (b) in the figure along the trajectory (b) direction, At this time, the rod member (16) has its circular outer peripheral surface in line contact with the contact surface (22a) of the open lever (22), and the rod member (16) has the contact surface (22a). 22a), the open lever (2
Even if 2) is swung about the support shaft (G2) in a direction away from the rod member (16), the rod member (16) separates from the contact surface (22a). The contact between the contact surface (22a) and the rod member (16) is always guaranteed, in other words, the swinging operation of the open lever (22) by the rod member (16) is sure. Then, the unlocking operation by the open lever (22) is surely performed.

(Effect of the Invention) As described above, in the door lock device of the present invention, the interlocking body for unlocking by swinging the open lever on the lock device body side is formed by a rod member having a circular cross section. The rod member in a pivotal direction of the handle and in contact with the contact surface of the open lever for a predetermined length or more, and the circular outer peripheral surface of the interlocking body contacts the open lever. Since it is brought into contact with the surface, the sliding contact resistance of the interlocking body with respect to the abutting surface can be reduced, and premature deterioration of the interlocking body, the open lever, etc. can be prevented in advance, while the operation feeling of the handlebar is provided. Therefore, it is possible to reliably perform the unlocking operation of the lock device main body by the interlocking body and the contact surface.

[Brief description of drawings]

FIG. 1 is a plan view of a door lock device according to the present invention, and FIG.
FIG. 4 is an explanatory view for explaining an operating state of the door lock device, FIG. 3 is a side view showing an entire structure of an automobile, and FIG. 4 is an explanatory view for explaining an operating state of a conventional example. (1) ...... Handle (16) ・ ・ ・ Interlocking body (rod member) (2) ・ ・ ・ Lock device body (22) ・ ・ ・ Open lever (22a) ・ ・ ・ Contact Surface (B) -Car body (D) -Door (G1)-・ Axis (G2)-・ Support shaft

Claims (1)

[Scope of utility model registration request] 1. A lock releasing main body having a wide contact surface that swings in a vehicle body front-rear direction and a support shaft tilted in a vertical direction in a lock device body attached to a door. The door is provided with a handle that swings through a pivot in the longitudinal direction of the vehicle body, and the handle is brought into contact with the contact surface of the open lever to swing the open lever to unlock the door. In an automobile door lock device provided with a body, the interlocking body is formed from a rod member having a circular cross section, and the rod member is superposed in a pivotal direction of the handle and over a predetermined length with respect to the contact surface. The door lock device for an automobile, wherein the circular outer peripheral surface of the interlocking body is brought into contact with the contact surface of the open lever as a contact length.