JP3810951B2 - Door lock device for automobile - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automotive door lock device in which a base plate to which a door lock body is attached is fixed to an inner panel of a door so that the door lock body is mounted at a predetermined position inside the door.
[0002]
[Prior art]
There is a so-called module door in which an opening is formed in an inner panel of the door and the opening is closed with a base plate to which a door lock device and other functional parts in the door are attached in advance.
[0003]
Conventionally, in this type of module door, an operator puts a hand inside the door through an opening formed in the base plate, and a door lock device inside the door, a key cylinder and an outside handle attached to the outer panel of the door are provided. They are connected by a connecting member such as a rod or a cable (for example, see JP-T-10-510230).
[0004]
[Problems to be solved by the invention]
However, conventional doors for automobiles such as those described above do not work easily because the door interior is connected from the opening of the base plate, and a sealing member is required to close the opening of the base plate, resulting in a low cost. It will be up. In addition, when a protector or the like for preventing theft of the door lock device is mounted, the workability is further reduced and the cost is increased.
[0005]
SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, the present invention aims to improve workability by eliminating the connection work inside the door, and further to improve the anti-theft property of the door lock device. The object is to provide a door lock device.
[0006]
[Means for Solving the Problems]
According to the present invention, the above problem is solved as follows.
(1) An opening is formed in the inner panel of the door, and a door lock body is attached in advance to a base plate that closes the opening, and the base plate is attached to the inner panel, so that the door lock body is installed in the door. A door lock device for an automobile that is mounted at a predetermined position of the door, and a support portion having a base surface facing the outer panel of the door is connected to a door lock body fixed to the base plate. The key cylinder is mounted on the base surface so as to face the mounting hole formed in the outer panel, and the key lever of the key cylinder and the lock lever of the door lock body are connected by a connecting means , Further, a part of the support part can be bent in a direction away from the outer panel, and the support part can be folded. The bent portions Ru provided a hook member capable of holding.
[0007]
(2) In the above item (1), a wall portion that protrudes toward the outer panel side of the door and surrounds the connection path between the key lever and the lock lever is provided on the periphery of the base surface of the support portion.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
FIG. 2 shows an overall perspective view before the automobile door is assembled. An opening (2) is formed in the inner panel (1a) (see FIGS. 3 to 5) of the door (1) that is supported by the vehicle body so that it can be opened and closed, and the door lock body (3) and other functional parts in the door. By fixing the base plate (4) to which the door is attached in advance to the inner panel (1a), the door lock body (3) and the functional parts in the door are mounted at predetermined positions in the door (1) and the opening is opened. Part (2) is closed.
[0010]
On the outer panel (5) side of the door (1), there is a mounting hole (5a) in which a frame body (7) pivotally attached to an outside handle (6) for unlocking the door lock body (3) is mounted. Is formed. An engagement pin (6b) is formed on the arm portion (6a) disposed inside the door (1) of the outside handle (6).
[0011]
As shown in FIG. 1, the door lock body (3) includes a body (3a) that incorporates a meshing mechanism that engages with a striker (not shown) fixed to the vehicle body side to lock the door (1) in a closed state. And a wall portion (8b) that is continuous with the body (3a) and is bent toward the outer panel (5) side at the peripheral edge except the lower side of the base surface (8a) facing the outer panel (5) side. And a support portion (8) having
[0012]
The body (3a) is surrounded by an outside lever (3b) connected to the outside handle (6) and a wall portion (8b) of the support portion (8) and is connected to a key cylinder (9) described later. The lock lever (3c) is pivotally attached.
[0013]
On the base surface (8a) of the support portion (8), there is a key cylinder (9) operated so as to enable or disable the unlocking operation of the outside handle (6), and the outer panel (5). The support portion (8) is attached to an extension portion (8d), which will be described later, so as to face the mounting hole (5a) of the support portion (8a). (11) is pivotally attached.
[0014]
The lower end of the lever (11) is connected to the upper end of a rod (16) whose lower end is connected to the outside lever (3b), and a connecting lever (12a) having a stepped engagement portion (12a) at the top. 12) is pivotally attached by a shaft (13) pointing in the front-rear direction. The connecting lever (12) is normally urged in the direction of the arrow in FIG. 1 by the spring (14), and stops at a position where it abuts against the stopper (11a) of the lever (11).
[0015]
The key cylinder (9) is placed in the temporary fixing recess (8e) of the extended portion (8d), and the bolt (BL) is inserted into the screw hole of the mounting piece (9b) protruding from the peripheral surface of the key cylinder (9). The larger diameter through hole (8g) and the base of the extended portion (8d) are bolts (BL) passing through the through holes (8f) formed to have a hole diameter substantially equal to the diameter of the screw portion of the bolt (BL). By fitting, it is attached to the support portion (8).
[0016]
The key lever (9a) of the key cylinder (9) is connected to the lock lever (3c) by the rod (15) arranged along the base surface (8a), and the key lever (9a) including the rod (15) and the lock lever The connection path to (3c) is surrounded by the base surface (8a) and the wall portion (8b) of the support portion (8) so as to prevent unlocking due to fraud.
[0017]
The support portion (8) is formed of an elastically deformable synthetic resin or the like, and slits (8c) are formed in the upper and lower central wall portions (8b), and the base surface (8a) is formed as shown in FIG. It can be bent on the back side so as to be separated from the outer panel (5). As shown in FIGS. 6 and 7, a holding member (17) including a concave portion (17a) and a convex portion (17b) is formed on the back side of the base surface (8a), and the base surface (8a) is bent to the back side. By doing so, the concave portion (17a) and the convex portion (17b) are elastically engaged with each other, and the support portion (8) is held in the temporary holding state shown in FIG.
[0018]
Next, the assembly work of the embodiment of the present invention will be described.
By attaching the base plate (4) with the door lock body (3) fixed to the inner panel (1a) of the door (1), the door lock body (3) with the support portion (8) temporarily held is opened. From (2), it is inserted into the door (1) and mounted at a predetermined position. When attaching the base plate (4) to the inner panel (1a), it is necessary to insert the door lock body (3) at an angle so that the upper part of the door lock body (3) is inserted into the opening (2) first. There is.
[0019]
However, in the present embodiment, the base surface (8a) of the support portion (8) is held in a temporary holding state bent toward the inner panel (1a) by the hook member (17) as shown in FIG. When the key cylinder (9) is separated from the outer panel (5), that is, the amount of protrusion of the key cylinder (9) to the outer panel (5) side is reduced, when the door lock body (3) is mounted, The key cylinder (9) is prevented from coming into contact with the outer panel (5) and being damaged.
[0020]
After the door lock body (3) is installed in the door (1), the support part (8) is tilted forward from the mounting hole (5a) of the outer panel (5) to engage the hook member (17). When the frame body (7) is mounted in the mounting hole (5a) in a tilted posture as shown in FIG. 4 in the state of being removed and standing, the engaging portion (6b) of the outside handle (6) is While engaging the engaging portion (12a) while rotating the connecting lever (12) counterclockwise against the biasing force of the spring (14), the outside handle (6) and the outside lever (3b ).
[0021]
When the door lock body (3) is mounted in the door (1), the connecting path between the key cylinder (9) including the rod (15) and the lock lever (3c) is the support member (8). Since it is surrounded by the base surface (8a) and the wall portion (8b), it is possible to prevent the connection path from being attacked by an illegal act from the outside of the door (1).
[0022]
The key cylinder (9) is preferably fitted into a mounting hole (7a) (see FIG. 2) drilled in the frame (7) and fixed thereto appropriately. The screw hole of the attachment piece (9b) may be fastened to the frame (7) together with the bolt (BL) for bolt insertion.
[0023]
【The invention's effect】
According to the present invention, the following effects can be achieved.
(a) According to the first aspect of the present invention, before the base plate is fixed to the door, the lock lever of the door lock body and the key cylinder can be connected, so that the workability can be improved. In addition, since it is not necessary to form a working hole in the base plate, a sealing member is not necessary, and cost can be reduced.
Furthermore, since the support part can be bent and temporarily held, the amount of protrusion of the key cylinder can be reduced, so that when the door lock body is inserted into the door from the opening, the key cylinder abuts against the outer panel. It is possible to prevent each other from being damaged.
[0024]
(b) According to the invention of claim 2, since the connecting path between the key cylinder and the door lock body is surrounded by the support portion to prevent an illegal act attack from the outside of the door, the anti-theft performance can be improved. .
[Brief description of the drawings]
FIG. 1 is a perspective view of a door lock body according to an embodiment of the present invention.
2 is an exploded perspective view of an automobile door equipped with the door lock main body shown in FIG. 1. FIG.
FIG. 3 is a schematic longitudinal sectional view of the main part of the door before the outside handle is attached.
FIG. 4 is a schematic longitudinal sectional view of the main part of the door during the outside handle mounting operation.
FIG. 5 is a schematic longitudinal sectional view of the main part of the door after assembly is completed.
FIG. 6 is an enlarged side view of the main part when the hook member is in an engaged state.
FIG. 7 is a side view of the main part when the hook member is in a detached state.
[Explanation of symbols]
(1) Door
(1a) Inner panel
(2) Opening
(3) Door lock body
(4) Base plate
(5) Outer panel
(6) Outside handle
(8) Support department
(8a) Base surface
(8b) Wall
(9) Key cylinder
(15) Rod (connecting member)

Claims (2)

An opening is formed in the inner panel of the door, a door lock main body is previously attached to a base plate that closes the opening, and the base plate is attached to the inner panel so that the door lock main body is predetermined in the door. It is a door lock device for automobiles that is adapted to be installed in a position,
A support portion having a base surface facing the outer panel of the door is connected to the door lock body fixed to the base plate, and a key cylinder faces the mounting hole formed in the outer panel on the base surface. And the key lever of the key cylinder and the lock lever of the door lock body are coupled by a coupling means , and a part of the support portion can be bent away from the outer panel. An automotive door lock device , wherein the support portion is provided with a hook member capable of holding a bent portion .   The automobile door lock device according to claim 1, wherein a wall portion is provided at a peripheral edge of the base surface of the support portion so as to protrude toward the outer panel side of the door and surround a connection path between the key lever and the lock lever.

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