JP6507908B2 - Vehicle door lock structure - Google Patents

Description

  The present invention relates to a door lock structure for a vehicle.

  Patent Document 1 below discloses a vehicle side door structure in which a door inner panel constituting a part of a side door of a vehicle is prevented from projecting inward in the vehicle width direction at the time of a side collision. In the vehicle side door structure described in this document, the door outside handle base is disposed below the vehicle in the vehicle vertical direction of the beltline outer reinforcement in a side view of the vehicle, and the door outside side handle base is disposed behind the vehicle width direction The door lock device is disposed so as to wrap from the rear end portion on the side to the central portion in the vehicle width direction. As a result, when the door outside handle base is displaced inward in the vehicle width direction due to a side collision, the outside hand base contacts the door lock device without contacting the belt line outer reinforcement. As a result, bending of the beltline outer reinforcement on the rear side in the vehicle longitudinal direction is suppressed, and contact of the door outside side handle base with the rear side on the vehicle longitudinal direction of the beltline inner reinforcement is suppressed, and the door inner panel An amount of protrusion of the rear in the vehicle width direction to the rear in the vehicle width direction is reduced.

JP, 2013-100026, A

  Although the configuration of the vehicle side door structure described in Patent Document 1 is useful from the viewpoint of reducing the amount of protrusion of the door inner panel inward in the vehicle width direction at the side collision, the door lock device at the side collision There is room for improvement in terms of suppressing the release of the door lock by the

  An object of the present invention is to provide a vehicle door lock structure capable of suppressing the release of the door lock at the side collision, in consideration of the above fact.

  The vehicle door lock structure according to claim 1 faces the outside handle base attached to the door outer panel in the vehicle width direction between the door outer panel and the door inner panel which form a part of the side door of the vehicle. A door lock device which is provided with a joint portion joined to the door inner panel and holds the side door in a closed position by engaging an engagement portion provided on the vehicle body; It is provided between the door lock device and the door inner panel, or is provided to the door lock device, and at least one of a portion on the vehicle front side and a portion on the vehicle rear side of the joint in the door lock device. The load input to the door lock device at the time of a side collision is eliminated or narrowed by eliminating or narrowing the clearance between the portion and the door inner panel. A load transmitting portion for transmitting the Ain'napaneru, and a.

  According to the door lock structure for a vehicle according to claim 1, when the collision load due to the side collision is input to the side door, the door outer panel is deformed toward the door inner panel side. Along with this, the outside handle base attached to the door outer panel is displaced toward the door lock device. Also, when the door outer panel is further deformed, the outside handle base abuts on the door lock device.

  Here, in the present invention, the clearance between the door inner panel and at least one of the front part and the rear part of the vehicle at the joint portion in the door lock device is narrowed and the door lock device is A load transfer unit is provided to transfer the input load to the door inner panel. Therefore, the load input to the door lock device at the time of a side collision is transmitted to the door inner panel from the joint of the door lock device and to the door inner panel through the load transfer unit. Thus, the door lock device is prevented from being deformed with the junction with the door inner panel as a fulcrum at the side collision. As a result, the door lock device is deformed at the side collision, so that the clearance between the door outer panel and the door inner panel is narrowed, and the force with which the engagement between the door outer panel and the door lock device is released is reduced. It is possible to suppress input.

  The door lock structure for a vehicle according to the present invention has an excellent effect that the door lock can be prevented from being released at the time of a side collision.

It is sectional drawing which shows the cross section of the side door cut | disconnected along line 1-1 shown by FIG. It is sectional drawing which shows the cross section of the side door cut | disconnected along line 2-2 shown by FIG. It is a side view showing a side door.

  A vehicle door lock structure according to an embodiment of the present invention will be described using FIGS. 1 to 3. Note that arrows FR, UP, and OUT which are described in the respective drawings respectively indicate the forward direction (traveling direction) of the vehicle, the upward direction, and the outward direction of the vehicle width direction. Further, in the following description, in the case where the front and rear direction and the upper and lower direction are simply shown, the front and rear direction of the vehicle and the upper and lower direction of the vehicle are shown unless otherwise noted.

  As shown in FIG. 3, the vehicle door lock structure of the present embodiment is applied to a side door 10 that opens and closes a side door opening (not shown) provided on a side of a vehicle body. The side door 10 includes a door sash 16 that forms a frame of the side windshield glass 14 on the side door main body 12, a door lock device 18 that holds the side door 10 in the closed position, and a side by the door lock device 18 when operated. It is comprised by attaching the outside handle 20 grade | etc., Which releases holding | maintenance in the closed position of the door 10, etc. FIG.

  As shown in FIGS. 1 and 2, the side door main body 12 is disposed outside the vehicle width direction and extends in the front-rear direction and the up-down direction, and the inside of the door outer panel 22 in the vehicle width direction And a door inner panel 24 extending in the direction and the up and down direction.

  The door outer panel 22 is a press-formed product formed by subjecting a steel plate material to a press process, and the front end portion, the rear end portion 22A and the lower end portion of the door outer panel 22 are subjected to hemming process Are joined to the front end portion, the rear end portion, and the lower end portion of the door inner panel 24 respectively. Further, as shown in FIG. 2, a door outer reinforcement 26 is joined to a portion on the inner side in the vehicle width direction of the upper end portion of the door outer panel 22.

  As shown in FIG. 1 and FIG. 2, the door inner panel 24 is formed by subjecting a steel plate material to pressing as in the case of the door outer panel 22 described above. Specifically, the door inner panel 24 includes a general portion 24A extending in the front-rear direction and the up-down direction. As shown in FIG. 2, a door inner reinforcement 28 is joined to a portion on the outer side in the vehicle width direction of the upper end portion of the general portion 24A. In addition, as shown in FIG. 1, the door inner panel 24 extends from the rear end of the general portion 24A toward the outside in the vehicle width direction, with a rear wall 24B inclined rearward and a vehicle width of the rear wall 24B. And a rear flange portion 24C extending from the end on the outer side in the direction toward the rear of the vehicle and to which the rear end portion 22A of the door outer panel 22 is joined.

  As shown in FIGS. 1 and 2, the outside handle 20 is formed substantially in a U shape in a plan view of the vehicle, and the outside handle 20 is disposed outside the door outer panel 22 in the vehicle width direction. Thus, the vehicle is operated from the outside of the vehicle. In addition, the outside handle 20 is supported by an outside handle base 30 attached to the door outer panel 22. The outside handle base 30 is attached to the inner surface of the door outer panel 22 in the vehicle width direction with the rear end portion of the door outer panel 22 disposed below the portion where the door outer reinforcement 26 is joined. . Then, the outside handle 20 is operated, and the release lever 34 of the door lock device 18 is operated (tilted) via the connection lever 32 supported by the outside handle base 30, so that the side by the door lock device 18 is operated. The holding of the door 10 in the closed position is released. In FIG. 1, the connection lever 32 and the release lever 34 are not shown. In addition, a block-shaped (cube-shaped) handle spacer 36 formed convex inward in the vehicle width direction is provided at an intermediate portion in the front-rear direction of the outside handle base 30.

  The door lock device 18 is disposed between the door outer panel 22 and the door inner panel 24 so that the portion on the upper side of the vehicle faces the outside handle base 30 in the vehicle width direction. It is attached to the inner panel 24. Specifically, as shown in FIG. 1, the door lock device 18 includes a block-shaped general portion facing portion 38 disposed along the general portion 24A of the door inner panel 24 and a rear portion of the general portion facing portion 38. And a block-like rear wall facing portion 40 extending from the end along the rear wall 24B of the door inner panel 24.

  A joint portion 42 formed in a convex shape toward the door inner panel 24 is provided on the front side of the general part facing portion 38. In a state where the tip in the projecting direction of the joint portion 42 is in contact with the outer surface of the door inner panel 24 in the vehicle width direction, a bolt (not shown) inserted in the door inner panel 24 is formed in the joint portion 42. By screwing into the screw hole, the door lock device 18 is attached (fixed) to the door inner panel 24. Further, in a state where the door lock device 18 is attached to the door inner panel 24, a predetermined portion is provided between the portion 38 A on the vehicle front side of the joint portion 42 in the general part facing portion 38 and the general portion 24 A of the door inner panel 24. And a predetermined gap is also formed between the portion 38B on the vehicle rear side of the joint portion 42 in the general portion facing portion 38 and the general portion 24A of the door inner panel 24. There is. Further, a release lever 34 is extended outward from the lower end of the general part facing portion 38 in the vehicle width direction, and the release lever 34 is not opposed to the outside handle base 30 in the vehicle width direction. It has become.

  The rear wall facing portion 40 is provided with an engaged portion engaged with the door lock striker 46 as an engaging portion provided on the pillar 44 of the vehicle body. The door lock striker 46 is engaged with the engaged portion to hold the side door 10 in the closed position.

  Further, a front lock spacer 48 and a rear lock spacer 50 as load transfer portions are provided between the general facing portion 38 of the door lock device 18 and the general portion 24A of the door inner panel 24. The front lock spacer 48 is formed in a block shape corresponding to the space formed between the portion 38A on the vehicle front side of the joint portion 42 in the general portion facing portion 38 and the general portion 24A of the door inner panel 24. Further, the rear lock spacer 50 is formed in a block shape corresponding to a space formed between the portion 38B on the vehicle rear side of the joint portion 42 in the general portion facing portion 38 and the general portion 24A of the door inner panel 24. ing. The front lock spacer 48 and the rear lock spacer 50 are joined to the general facing portion 38 of the door lock device 18 or the general portion 24A of the door inner panel 24 via a bolt, an adhesive or the like. Although the front lock spacer 48 and the rear lock spacer 50 are made of metal such as aluminum or iron as an example, they may be made of resin.

  A transmission bracket 52 is attached to a portion of the door inner panel 24 opposed to the outside handle base 30 in the vehicle width direction. The transmission bracket 52 has a joint wall 52A joined to the outer surface of the door inner panel 24 on the front side of the door lock device 18 and a general part of the door lock 18 from the rear end of the joint wall 52A. The first extending portion 52B extending along the front end of the facing portion 38 and the outer side of the general portion facing portion 38 of the door lock device 18 from the outer end of the first extending portion 52B in the vehicle width direction And an extending second extending portion 52C.

(Operation and effect of the present embodiment)
Next, the operation and effects of the present embodiment will be described.

  In the side door 10 to which the vehicle door lock structure of the present embodiment described above is applied, when the collision load due to the side collision is input to the side door 10, the door outer panel 22 is deformed toward the door inner panel 24 side. . Along with this, the outside handle base 30 attached to the door outer panel 22 is displaced toward the door lock device 18 side.

  Further, when the door outer panel 22 is further deformed, the handle spacer 36 of the outside handle base 30 abuts on the second extension 52 C of the transmission bracket 52. As a result, the outside handle base 30 presses the door lock device 18 inward in the vehicle width direction via the second extending portion 52C of the transmission bracket 52.

  Here, in the present embodiment, the front lock spacer 48 and the rear lock spacer 50 that fill or narrow the gap formed between the general facing portion 38 of the door lock device 18 and the general portion 24A of the door inner panel 24 It is provided. Therefore, the load due to the side collision input to the door lock device 18 is transmitted from the joint portion 42 of the door lock device 18 to the general portion 24A of the door inner panel 24 and via the front lock spacer 48 and the rear lock spacer 50. Then, it is transmitted to the general portion 24A of the door inner panel 24. Thereby, it is suppressed that the door lock apparatus 18 deform | transforms by using the junction part 42 as a fulcrum at the time of a side collision. As a result, the clearance between the door outer panel 22 and the door inner panel 24 is narrowed by the deformation of the door lock device 18 at the time of a side collision, and the release lever 34 from the door outer panel 22 to the release lever 34 of the door lock device 18 Can be suppressed from being input (a force for releasing the engagement between the door lock device 18 and the door lock striker 46).

  Further, in the present embodiment, the outside handlebar base 30 is provided with a handle spacer 36 which is formed in a convex shape inward in the vehicle width direction. Thus, the outside handle base 30 (handle spacer 36) can be brought into early contact with the second extending portion 52C of the transmission bracket 52 at the side collision. As a result, in the present embodiment, the deformation of the door outer panel 22 inward in the vehicle width direction at the time of a side collision can be effectively suppressed. As a result, at the time of a side collision, the force of tilting the release lever 34 from the door outer panel 22 to the release lever 34 of the door lock device 18 can be further suppressed.

  Furthermore, in the present embodiment, a part of the load due to the side collision is applied to the general portion 24A of the door inner panel 24 via the second extending portion 52C of the transmission bracket 52, the first extending portion 52B and the joint wall 52A. It is transmitted. Thereby, the value of the load by the side collision input into the door lock device 18 can be made small. As a result, in the present embodiment, it is possible to further suppress that the clearance between the door outer panel 22 and the door inner panel 24 is narrowed due to the door lock device 18 being deformed at the side collision. As a result, the force for tilting the release lever 34 from the door outer panel 22 to the release lever 34 of the door lock device 18 can be further suppressed.

  In the present embodiment, an example is provided in which the front lock spacer 48 and the rear lock spacer 50 are provided to fill the gap formed between the general facing portion 38 of the door lock device 18 and the general portion 24A of the door inner panel 24. However, the present invention is not limited thereto. For example, a portion corresponding to the front lock spacer 48 and the rear lock spacer 50 may be integrally formed with the general facing portion 38 of the door lock device 18.

Further, although the example in which both the front lock spacer 48 and the rear lock spacer 50 are provided has been described in the present embodiment, the present invention is not limited thereto, for example, the front lock spacer 48 and the rear lock spacer 50 Only one of them may be provided. Whether to provide both the front lock spacer 48 and the rear lock spacer 50 may be appropriately set in consideration of the rigidity of the door lock device 18 and the like.

  Furthermore, although the example which provided the handle spacer 36 convexly formed toward the vehicle width direction inner side was provided in the outside handle base 30 by this embodiment, this invention is not limited to this. Whether or not a portion corresponding to the handle spacer 36 is provided on the outside handle base 30 may be appropriately set in consideration of the clearance between the outside handle base 30 and the door lock device 18 or the like.

  Moreover, although the example which provided the transmission bracket 52 was demonstrated in this embodiment, this invention is not limited to this. Whether to provide the transmission bracket 52 may be appropriately set in consideration of the rigidity of the door lock device 18 and the like.

  As mentioned above, although one embodiment of the present invention was described, the present invention is not limited to the above, and can be variously modified and carried out in addition to the above in the range which does not deviate from the main point. Of course.

Reference Signs List 10 side door 18 door lock device 22 door outer panel 24 door inner panel 30 outside handle base 46 door lock striker (engagement portion)
48 Front lock spacer (load transfer part)
50 Rear lock spacer (load transfer part)

Claims (1)

An outside handle base attached to the door outer panel is provided between the door outer panel and the door inner panel, which form a part of a side door of the vehicle, in the vehicle width direction, and at the door inner panel A door lock device having a joint portion joined and holding the side door in a closed position by engaging an engagement portion provided on a vehicle body;
It is provided between the door lock device and the door inner panel, or is provided to the door lock device, and at least one of a portion on the vehicle front side and a portion on the vehicle rear side of the joint in the door lock device. A load transfer unit which eliminates or narrows the clearance between the portion and the door inner panel and transmits the load input to the door lock device to the door inner panel at the time of a side collision;
Door lock structure for vehicles equipped with.

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