JP2016033310A - Door lock device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door lock device for a vehicle that can prevent infiltration of water infiltrated into a door into a body of the vehicle.SOLUTION: A door lock device for a vehicle includes: a latch body 21 fixed to an inner panel 5 in which a panel side reception hole 5c for receiving a striker arranged in a body of a vehicle in a door of the vehicle is formed and accommodating a latch mechanism that can hold the door in the closed state by engaging with the striker; a reinforcement member 6 that is interposed between the inner panel 5, the latch body 21 and an actuator body 31 and is fixed to the inner panel 5 and in which a reinforcement member side reception hole 6c for receiving the striker in the door is formed corresponding to the panel side insertion hole 5c; and a seal member 40 that is interposed between the inner panel 5, the latch body 21 and the actuator body 31 above the panel side reception hole 5c and the reinforcement member side reception hole 6c.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a vehicle door lock device.

  Conventionally, as a door lock device for vehicles, what was indicated, for example in patent documents 1 is known. This vehicle door lock device is fixed to a portion of an inner panel that constitutes a vehicle door that faces the outside of the vehicle, and a latch mechanism that is housed in a door lock body that forms the housing of the vehicle is provided on the vehicle body. The door is kept closed by engaging with the striker. Accordingly, the inner panel is formed with a panel-side receiving hole for receiving the striker to be engaged with the latch mechanism exposed from the door lock body.

  Further, in order to improve the strength of the inner panel at the peripheral edge of the panel-side receiving hole, a door is known in which a reinforcing member is fixed to the inner panel and interposed between the door lock body and the inner panel. In this case, the reinforcing member side receiving hole for receiving the striker is formed in the reinforcing member in accordance with the panel side receiving hole.

JP 2012-112241 A

  By the way, if water (rain water, cleaning liquid, etc.) enters the door (the door lock body fixed side with respect to the inner panel), it passes through the panel side receiving hole and the reinforcing member side receiving hole and enters the vehicle body (inner panel). On the other hand, there is a possibility of entering the door lock body on the opposite side).

  An object of the present invention is to provide a vehicle door lock device that can prevent water that has entered the door from entering the body of the vehicle.

  A vehicle door lock device that solves the above problems is fixed to a portion of an inner panel that is formed with a panel-side receiving hole that receives a striker provided in a vehicle body and faces the outside of the vehicle. A door lock body that houses a latch mechanism capable of holding the door in a fully-closed state by being engaged, and the inner panel and the door lock body are interposed between and fixed to the inner panel, and the striker is attached to the door A reinforcing member side receiving hole to be received inside the reinforcing member is formed in accordance with the panel side receiving hole, and is interposed between the inner panel and the door lock body above the panel side receiving hole and the reinforcing member side receiving hole. And a sealing member to be mounted.

  According to this configuration, the sealing member is interposed between the inner panel and the door lock body above the panel side receiving hole and the reinforcing member side receiving hole, so that the sealing member is disposed below the sealing member. It is possible to suppress water in the door (the door lock body fixing side with respect to the inner panel) from entering. Therefore, even if there is a gap between the inner panel and the reinforcing member, the water in the door (on the fixed side of the door lock body with respect to the inner panel) is located below the seal member. Intrusion into the body (on the side opposite to the door lock body with respect to the inner panel) through the side receiving hole and the reinforcing member side receiving hole can be suppressed.

  In the vehicle door lock device, the reinforcing member is preferably formed with a through hole communicating with the seal member between the inner panel and the door lock body.

  According to this configuration, for example, even if the size of the reinforcing member is larger than the size of the door lock body, the seal member can be interposed between the inner panel and the door lock body through the through hole. .

  In the vehicle door lock device, the door lock body has a sealed portion positioned above the reinforcing member, and the seal member is interposed between the sealed panel and the inner panel. It is preferable.

  According to this configuration, the sealing member is interposed between the sealed portion positioned above the reinforcing member and the inner panel, thereby making it unnecessary to change the shape of the reinforcing member. Can do.

About the said door lock device for vehicles, it is preferable that the said to-be-sealed part has a flange extended upwards.
According to this configuration, for example, even if the shape and size of the reinforcing member is changed, it is possible to cope with the interposition of the seal member only by changing the flange without changing the entire door lock body. .

About the said door lock device for vehicles, it is preferable that the said door lock body has the rib erected by the said flange.
According to this configuration, the flange can be reinforced by the rib, and as a result, the sealing performance of the flange can be improved.

  The present invention has an effect of suppressing the water that has entered the door from entering the vehicle body.

The side view of the door to which the 1st Embodiment of this invention is applied. The perspective view which shows the same embodiment. Sectional drawing which shows the same embodiment. The disassembled perspective view which shows the same embodiment. The perspective view which shows the 2nd Embodiment of this invention. The perspective view which shows the deformation | transformation form of this invention.

(First embodiment)
Hereinafter, a first embodiment of a vehicle door lock device will be described. Hereinafter, the front and rear of the vehicle are referred to as “front” and “rear”, respectively. Further, the inside in the width direction of the vehicle heading toward the inside of the vehicle interior is referred to as “vehicle inside”, and the outside in the width direction of the vehicle toward the outside of the vehicle interior is referred to as “vehicle outside”. In particular, the width direction of the vehicle with respect to the door (the vehicle inner side, the vehicle outer side) refers to that considered to be closed.

  As shown in FIG. 1, a door lock device 10 that engages with a striker 2 provided on a vehicle body B and holds the door 1 in a closed state with respect to the body B is disposed at the rear end of the vehicle door 1. It is provided along the edge. The door 1 is provided with an inside handle 3 so as to be exposed to the indoor side, and an outside handle 4 is provided so as to be exposed to the outside of the room.

Next, the door lock device 10 and its peripheral structure will be described.
As shown in FIG. 2, the inner panel 5 that forms the inner shell of the door 1 is made of, for example, a steel plate, and partitions the inside of the body B and the inside of the door 1. The inner panel 5 integrally includes a side wall portion 5a that widens so as to face the inside of the vehicle and a rear wall portion 5b that is bent outward from the rear edge. The inner panel 5 is formed with a substantially rectangular panel-side receiving hole 5c in a state of straddling the corner formed by the side wall 5a and the rear wall 5b. A plurality of (three) counterbores 5d are formed around the panel side receiving hole 5c on the rear wall portion 5b of the inner panel 5. As shown in FIG. 3, each counterbore 5d protrudes forward, and is formed into a substantially truncated conical cylindrical shape whose diameter is gradually reduced toward the front.

  As shown in FIG. 2, a reinforcing member 6 made of, for example, a steel plate is fixed to the inner panel 5 by spot welding at a position inside the door 1 in accordance with the position of the panel side receiving hole 5 c. The reinforcing member 6 is integrally formed with a side wall portion 6a that is widened so as to face the inside of the vehicle and is joined to the side wall portion 5a, and a rear wall portion 6b that is bent from the rear edge to the outside of the vehicle and joined to the rear wall portion 5b. And has a substantially L-shape. The reinforcing member 6 is formed with a substantially quadrangular reinforcing member side receiving hole 6c extending over the corner portion formed by the side wall portion 6a and the rear wall portion 6b in accordance with the panel side receiving hole 5c. That is, the inner panel 5 to which the reinforcing member 6 is fixed is communicated with the side in the body B and the side in the door 1 through the panel side receiving hole 5c and the reinforcing member side receiving hole 6c. Further, as shown in FIG. 3, a plurality of (three) substantially circular loose insertion holes 6 d into which the plurality of counterbore 5 d of the inner panel 5 are loosely inserted are formed in the rear wall portion 6 b of the reinforcing member 6. ing.

  The door lock device 10 is fastened to the inner panel 5 by screws 7 inserted through the counterbore 5d and the loose insertion holes 6d from behind. That is, as shown in FIG. 4, the door lock device 10 includes a base plate 11 made of, for example, a steel plate, a latch unit 12, and a connecting unit 13. The base plate 11 extends so as to face the rear wall portion 5b of the inner panel 5, and the upper edge 11a is inclined downward toward the vehicle outer side, and the vehicle inner edge 11b is at the height of the vehicle. It extends substantially linearly in the direction. The base plate 11 is formed with a plurality (three) of screw holes 16 penetrating in accordance with the plurality of counterbore 5d of the inner panel 5. As shown in FIG. 3, the base plate 11 is coupled to the inner panel 5 by tightening the screw portions of the screws 7 inserted into the counterbore 5 d and the like into the screw holes 16. At this time, the head of each screw 7 abuts against the head in a state of being embedded in the counterbore 5d. In the base plate 11, a receiving groove 17 is formed in accordance with the shape of the panel side receiving hole 5c in the rear wall portion 5b. Accordingly, the receiving groove 17 has a substantially U-shape that opens to the inside of the vehicle.

  The latch unit 12 includes a latch body 21 made of, for example, a resin material, and a latch 22 and a pole (not shown) that are rotatably connected around an axis extending in the front-rear direction in parallel with each other in the latch body 21. Is done. The latch body 21 is formed in a substantially box shape according to the outer shape of the base plate 11, and an upper surface 21a and a vehicle inner side surface 21b extend forward from the upper edge 11a and the vehicle inner side edge 11b. The rear end surface 21c of the latch body 21 facing the base plate 11 is provided with a rib 25 on which the base plate 11 is fitted on the upper edge 11a and the vehicle inner edge 11b. The latch body 21 is formed with a substantially rectangular receiving hole 26 in a state of straddling the corner formed by the vehicle inner side surface 21b and the rear end surface 21c in accordance with the panel side receiving hole 5c and the like. The latch 22 in the latch body 21 is exposed to the side in the body B through the receiving hole 26, the receiving groove 17, the reinforcing member side receiving hole 6c, and the panel side receiving hole 5c. Therefore, the door lock device 10 engages the latch 22 with the striker 2 that has entered the latch body 21 as the door 1 is closed, and prevents the latch 22 in the engaged state from rotating with a pawl. The door 1 is held in a closed state. The latch 22 and the pole constitute a latch mechanism. A substantially rectangular engagement hole 27 is formed at the lower end portion of the vehicle inner side surface 21b.

  The connection unit 13 includes an actuator body 31 made of, for example, a resin material. The actuator body 31 has a substantially box-shaped housing portion 32 that extends so as to face the vehicle inner side and abuts on or is close to the vehicle outer side portion of the side wall portion 5a of the inner panel 5, and the outer shape of the latch unit 12 from the rear end thereof. And a mounting portion 33 that is recessed forward. In other words, the attachment portion 33 has an inner wall surface 33a that is molded according to the upper surface 21a of the latch body 21, and an inner wall surface 33b that is molded according to the front edge of the vehicle inner side surface 21b. The latch unit 12 is supported by the connecting unit 13 by being fitted to the mounting portion 33 at the front end of the upper surface 21a and the vehicle inner side surface 21b. Note that an engaging claw 34 protrudes from the mounting portion 33 in accordance with the engaging hole 27. The latch unit 12 supported by the connecting unit 13 is fixed to the connecting unit 13 by engaging the engaging claw 34 into the engaging hole 27. The latch body 21 and the actuator body 31 constitute a door lock body.

  In the housing portion 32 of the actuator body 31, for example, the inside handle 3 and the pole are mechanically linked, or the outside handle 4 and the pole are mechanically linked (so-called unlocked state) and the Various levers for switching between the linkage released state (so-called locked state) are accommodated. The housing portion 32 of the actuator body 31 houses a lock actuator that switches these levers. For example, when the outside handle 4 is operated in the closed state of the door 1, the operating force of the outside handle 4 is transmitted to the pole via the connecting unit 13 in the unlocked state. The detent of the latch 22 is released. Thereby, the door 1 can be opened. On the other hand, in the locked state, the operating force of the outside handle 4 is not transmitted to the pole via the connection unit 13, and the rotation prevention of the latch 22 by the pole is maintained. Thereby, the door 1 cannot be opened.

  The actuator body 31 has a first flange 36 extending upward from its rear edge over substantially the entire length of the inner wall surface 33a, and a second flange 37 extending upward from the vehicle inner end at the upper end of the inner wall surface 33b. The first and second flanges 36 and 37 are connected at the boundary between the inner wall surfaces 33a and 33b to form a continuous flange 35. Further, the second flange 37 is connected to a substantially streak-like vehicle inner side surface 38 formed on the actuator body 31 so as to be connected to the upper end portion of the inner wall surface 33b. That is, the flange 35 and the vehicle interior side surface 38 form a continuous end surface facing the rear wall portion 5b and the side wall portion 5a from the inside of the door 1 above the panel side receiving hole 5c. The flange 35 and the vehicle interior side surface 38 constitute a sealed portion. As shown in FIGS. 2 and 3, between the inner panel 5, the flange 35, and the vehicle interior side surface 38, for example, from a rubber material that extends along the flange 35 etc. above the reinforcing member 6. A substantially band-shaped seal member 40 is interposed. Accordingly, the seal member 40 is interposed between the first seal portion 41 interposed between the first flange 36 and the rear wall portion 5b, and between the side wall portion 5a, the second flange 37, and the vehicle interior side surface 38. The second seal portion 42 is integrally provided. Needless to say, the seal member 40 is positioned above the panel-side receiving hole 5c.

Next, the operation of this embodiment will be described.
It is assumed that water has entered the door 1 (the fixed side of the door lock device 10 with respect to the inner panel 5). In this case, the seal member 40 is interposed between the inner panel 5 and the actuator body 31 (flange 35, etc.) above the panel side receiving hole 5c and the reinforcing member side receiving hole 6c, so that it is lower than the seal member 40. Intrusion of water in the door 1 is suppressed.

As described above in detail, according to the present embodiment, the following effects can be obtained.
(1) In the present embodiment, even if water enters the door 1 (the side on which the door lock device 10 is fixed with respect to the inner panel 5), the inner side is above the panel side receiving hole 5c and the reinforcing member side receiving hole 6c. By interposing the seal member 40 between the panel 5 and the actuator body 31, it is possible to prevent water in the door 1 from entering below the seal member 40. Therefore, even if there is a gap between the inner panel 5 and the reinforcing member 6, the water in the door 1 passes through the panel side receiving hole 5 c and the reinforcing member side receiving hole 6 c positioned below the seal member 40, and the body B It is possible to suppress the intrusion into the inside (the anti-fixed side of the door lock device 10 with respect to the inner panel 5).

  (2) In the present embodiment, the sealing member 40 is interposed between the inner panel 5 at the flange 35 and the like (sealed portion) positioned above the reinforcing member 6, thereby forming the shape of the reinforcing member 6. Changes can be made unnecessary.

  (3) In the present embodiment, the actuator body 31 is provided with the seal member 40 between the flange 35 and the inner panel 5, so that even if the shape and size of the reinforcing member 6 is changed, for example, It is possible to deal with the interposition of the seal member 40 only by changing the flange 35 without changing the whole 31.

  (4) In the present embodiment, even if there is a gap between the inner panel 5 and the reinforcing member 6, water in the door 1 can be prevented from entering the body B. For example, between the inner panel 5 and the reinforcing member 6 This can be abolished if a sealer is applied.

(Second Embodiment)
Hereinafter, a second embodiment of the vehicle door lock device will be described. In addition, since 2nd Embodiment is the structure which changed the reinforcement member of 1st Embodiment, the detailed description is abbreviate | omitted about the same part.

  As shown in FIG. 5, the reinforcing member 55 of the present embodiment is made of, for example, a steel plate, and is fixed to a portion of the inner panel 5 in the door 1 by spot welding in accordance with the position of the panel side receiving hole 5 c. ing. The reinforcing member 55 has a size projecting upward from the door lock device 50 having a structure similar to that of the door lock device 10 and is widened so as to face the inside of the vehicle and joined to the side wall portion 5a. 55a and a rear wall 55b that is bent outwardly from the rear edge of the vehicle and joined to the rear wall 5b, and has a substantially L shape. The reinforcing member 55 is formed with a substantially quadrangular reinforcing member side receiving hole 55c extending over the corner portion formed by the side wall portion 55a and the rear wall portion 55b in accordance with the panel side receiving hole 5c. Further, the reinforcing member 55 is formed with a through hole 55d so as to straddle the corner portion formed by the side wall portion 55a and the rear wall portion 55b so as to surround the upper side of the reinforcing member side receiving hole 55c. The through hole 55d is formed in a substantially bay shape that protrudes upward.

  A substantially belt-like seal member 60 made of, for example, a rubber material is inserted into the through hole 55d. The seal member 60 is formed in a substantially bay shape that protrudes upward, and extends over substantially the entire length of the through hole 55d. Further, the seal member 60 passes through the through hole 55 d and is interposed between the door lock body 51 and the inner panel 5 that form the outer shape of the door lock device 50. Needless to say, the seal member 60 is positioned above the panel-side receiving hole 5c. Therefore, even if water enters the door 1 (on the fixed side of the door lock device 50 with respect to the inner panel 5), the water in the door 1 is suppressed from entering below the seal member 40.

As described above in detail, according to the present embodiment, the following effects can be obtained in addition to the effects (1) and (4) in the first embodiment.
(1) In this embodiment, even if the size of the reinforcing member 55 is larger than the size of the door lock body 51, the seal member 60 can be interposed between the inner panel 5 and the door lock body 51 through the through hole 55d. it can.

In addition, you may change the said embodiment as follows.
As shown in FIG. 6, in the first embodiment, a reinforcing rib 65 may be erected on the flange 35 of the actuator body 31. In this case, the flange 35 can be reinforced by the rib 65, and as a result, the sealing performance of the flange 35 can be improved.

  In the first embodiment, the flange (35) may be included in the latch body 21. Specifically, the first flange (36) may extend upward from the rear edge over substantially the entire length of the upper surface 21a. The second flange (37) may extend upward from the upper end of the vehicle interior side surface 21b. It goes without saying that the flange is a continuous one of these first and second flanges.

  In the first embodiment, the shape of the sealing member 40 is arbitrary as long as it extends above the reinforcing member 6 so as to include the entire panel-side receiving hole 5c. For example, it may be formed in a substantially L shape extending substantially parallel to the panel-side receiving hole 5c, or may be formed in a substantially bay shape that protrudes upward.

In the first embodiment, a door lock body in which the latch body 21 and the actuator body 31 are integrated may be used.
In the second embodiment, the shape of the seal member 60 is arbitrary as long as it extends upward so as to include the entire panel-side receiving hole 5c. For example, you may shape | mold in the substantially L shape extended substantially parallel to the panel side receiving hole 5c. Needless to say, the through hole 55d is formed in accordance with the shape of the seal member 60.

  B ... Body, 1 ... Door, 2 ... Striker, 5 ... Inner panel, 5c ... Panel side receiving hole, 6,55 ... Reinforcing member, 6c, 55c ... Reinforcing member side receiving hole, 10, 50 ... Door lock device, 21 ... Latch body (door lock body), 22 ... Latch (latch mechanism), 31 ... Actuator body (door lock body), 35 ... Flange (sealed part), 36 ... First flange, 37 ... Second flange, 38 ... Inside the vehicle Side surface (sealed portion), 40, 60 ... sealing member, 51 ... door lock body, 55d ... through hole, 65 ... rib.

Claims (5)

A latch mechanism that is fixed to an inner panel formed with a panel-side receiving hole for receiving a striker provided in a vehicle body in a vehicle door, and that can hold the door in a closed state by engaging with the striker is accommodated. Door lock body,
A reinforcing member interposed between the inner panel and the door lock body and fixed to the inner panel, and a reinforcing member side receiving hole for receiving the striker in the door is formed in accordance with the panel side receiving hole;
A vehicle door lock device comprising: a seal member interposed between the inner panel and the door lock body above the panel side receiving hole and the reinforcing member side receiving hole. The vehicle door lock device according to claim 1,
The vehicle door lock device, wherein the reinforcing member is formed with a through-hole communicating with the seal member between the inner panel and the door lock body. The vehicle door lock device according to claim 1,
The door lock body has a sealed portion located above the reinforcing member,
The vehicle door lock device, wherein the seal member is interposed between the sealed portion and the inner panel. In the vehicle door lock device according to claim 3,
The said to-be-sealed part is a door lock apparatus for vehicles which has the flange extended upwards. The vehicle door lock device according to claim 4,
The door lock body is a vehicle door lock device having a rib erected on the flange.