JP6567924B2 - Vehicle door lock device - Google Patents

Description

  The present invention relates to a vehicle door lock device.

  2. Description of the Related Art Conventionally, a door lock device that has a latch mechanism and holds a vehicle door in a closed state includes two door lock portions provided on an upper end side and a lower end side of the door, that is, an upper lock and a lower lock. There are some (see, for example, Patent Document 1). By using such a door lock device, a so-called pillarless type door structure can be employed.

JP 57-44075 A

  However, since the door of a vehicle usually has a structure in which a window frame portion is provided on the upper side of the door body, the inertial mass on the upper side is small, and the rigidity on the upper side is also lower. For this reason, in the door lock device as described above, the latch mechanism on the upper lock side hardly shifts to the full latch state, and as a result, there is a problem that the so-called half-door state is likely to occur. It left room for improvement.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a door lock device that can hold a swing door of a vehicle in a more reliable state.

A vehicle door lock device that solves the above problems includes a door lock portion provided in a window frame portion of a swing door, and an actuator portion provided in a door body of the swing door, and the door lock portion includes: comprising a latch mechanism that engages the striker provided on the vehicle body, and a closer mechanism for shifting to the fully latched state the latching mechanism on the basis of the driving force of the actuator portion transmitted through the transmission member, said latch mechanism Includes a latch member that engages and rotates with the striker, and the closer mechanism moves along the extending direction of the window frame portion based on the driving force of the actuator portion transmitted through the transmission member. A slider that engages with the latch member to rotate the latch member, and the slider has a slider along a moving direction of the slider. The latch member is provided with an engagement lever that is inserted into the long hole of the slider at a rotation position where the latch mechanism is in a half latch state, The closer mechanism is configured such that the slider pulled by the transmission member moves and presses the engagement lever that engages with the elongated hole, whereby the latch member reaches a rotation position at which the latch mechanism is in a fully latched state. Rotate .

  According to the above configuration, when the swing door is closed, even if the swing door is weak, the closing mechanism of the door lock portion provided in the window frame portion is fully latched by the operation of the closer mechanism. Can be migrated to. As a result, the swing door can be held in the closed state more reliably.

Moreover, the outer shape of the door lock part provided with the closer function can be reduced in size by arranging the actuator part in the door body. As a result, a high degree of freedom in layout can be ensured.
According to the said structure, the external shape of the door lock part including the closer mechanism can be reduced in size according to a window frame part. And thereby, the mountability of the door lock part which has the closer function can be improved.
According to the said structure, the external shape of the door lock part including a closer mechanism can be further reduced in size, ensuring the reliable operation | movement. As a result, it is possible to arrange even a narrower window frame.

In the vehicle door lock device that solves the above problems, the transmission member is preferably a wire cable.
According to the above configuration, the driving force of the actuator portion can be efficiently transmitted to the closer mechanism of the door lock portion provided in the narrow window frame portion. In addition, there is an advantage that the weight can be easily reduced.

  In the vehicle door lock device that solves the above problem, the door lock portion includes a case member that houses the latch member, and the case member is integrally formed with a guide portion of the slider. preferable.

According to the said structure, smooth operation | movement can be ensured by suppressing the blur of a slider, aiming at size reduction of a door lock part .

  According to the present invention, the swing door of the vehicle can be held in the closed state more reliably.

The schematic block diagram of the door lock apparatus provided in the swing door of the vehicle. The side view of a latch mechanism and a closer mechanism which constitutes an upper lock (full latch state). The perspective view of an upper lock. The perspective view of an upper lock. The perspective view of an upper lock. The side view (latch open state) of the latch mechanism and closer mechanism which constitute an upper lock. The side view of a latch mechanism and a closer mechanism which constitutes an upper lock (half latch state). Sectional drawing of an upper lock (VIII-VIII cross section in FIG. 7). The side view of the latch mechanism and closer mechanism which constitutes an upper lock (full latch state: wire cable tension). The side view of a latch mechanism and a closer mechanism which constitutes an upper lock (full latch state: wire cable relaxation).

Hereinafter, an embodiment of a vehicle door lock device will be described with reference to the drawings.
As shown in FIG. 1, a so-called pillar-less door opening 2 that does not have a center pillar is formed in the side surface of the vehicle 1. The door opening 2 is provided with a swing door 11 constituting the front door 10a and a slide door 12 constituting the rear door 10b.

  That is, the swing door 11 opens and closes on the front side of the door opening 2 by rotating around a hinge (not shown) provided at the front end thereof. The slide door 12 is configured to open and close on the rear side of the door opening 2 by moving back and forth along the side surface of the vehicle body 15.

  Further, the swing door 11 of the present embodiment is provided with a door lock device 30 including two door lock portions 20 provided on the upper end side and the lower end side thereof, that is, an upper lock 21 and a lower lock 22. Specifically, the swing door 11 of the present embodiment has a known configuration in which a window frame portion 34 is provided above the door body 33. The lower lock 22 is provided at the lower end portion on the rear side of the door body 33, and the upper lock 21 is provided on the upper end portion on the rear side of the window frame portion 34.

  In the door lock device 30 of the present embodiment, each of the door lock portions 20 includes a known latch mechanism 40 that engages with a striker 35 provided on the vehicle body 15 side. The door lock device 30 according to the present embodiment is configured to be able to hold the swing door 11 in a closed state and release the closed state based on the operation of the latch mechanism 40.

  Specifically, as shown in FIG. 2, in the door lock device 30 of the present embodiment, the latch mechanism 40 a on the upper lock 21 side is provided on the upper end side of the door opening 2 with the closing operation of the swing door 11. A latch member 41 that engages and rotates with the striker 35a is provided. Further, the latch mechanism 40 a includes a pole member 42 that holds the latch member 41 at a position where the latch member 41 is rotated by engaging with the latch member 41. And the latch mechanism 40a of this embodiment becomes a structure which can restrain the striker 35a engaged with the latch member 41 so that it cannot detach | desorb.

  Specifically, in the vehicle 1 of the present embodiment, the striker 35a on the upper lock 21 side is formed by bending a shaft member into a substantially U shape. And the U-shaped bending part is being fixed to the upper end part of the door opening part 2 in the aspect which protrudes in the vehicle width direction outer side (right side in FIG. 2).

  On the other hand, as shown in FIGS. 2 to 5, the upper lock 21 of the present embodiment includes a resin body 43 serving as a case member that accommodates the latch member 41 and the pole member 42 therein, and the resin body 43 interposed therebetween. A base plate 45 and a sub-base 46 are provided. In the present embodiment, the base plate 45 and the sub-base 46 are each formed by plastic processing (pressing) a plate material. Further, the upper lock 21 includes two support shafts 47 and 48 that are spanned between the base plate 45 and the sub-base 46 so as to penetrate the resin body 43. The upper lock 21 of the present embodiment is configured to pivotally support the latch member 41 and the pole member 42 constituting the latch mechanism 40a by these support shafts 47 and 48.

  In the upper lock 21 of the present embodiment, the base plate 45 and the sub base 46 are fixed to the swing door 11, so that the support shaft 47 of the latch member 41 and the support shaft 48 of the pole member 42 are vertically moved ( In FIG. 2, it is arranged side by side in the vertical direction). Further, the upper lock 21 of the present embodiment has a slit-like striker entry / exit part 50 provided in a shape in which a part of the resin body 43 and the sub base 46 is cut out. The latch mechanism 40a of the present embodiment is configured such that the striker 35a that has entered the striker entry / exit portion 50 engages with the latch member 41 when the swing door 11 is closed.

  More specifically, as shown in FIGS. 2, 6, and 7, the latch member 41 is formed with a striker engagement groove 51 that opens on the outer peripheral surface thereof. In addition, the latch member 41 is urged to rotate counterclockwise in each figure based on an urging force of an elastic member (not shown) (for example, a torsion coil spring fitted on the support shaft 47). . Further, the latch member 41 is restricted from rotating based on the urging force of such an elastic member at a position where the striker engagement groove 51 faces the striker entry / exit portion 50 (see FIG. 6). , Latch open state). The latch mechanism 40a of the present embodiment is configured such that the striker 35a that has entered the striker entry / exit portion 50 is engaged with the striker engagement groove 51 of the latch member 41.

  On the other hand, the pole member 42 is also urged to rotate in the clockwise direction in each figure based on the urging force of an elastic member (not shown) (for example, a torsion coil spring inserted into the support shaft 48). That is, the pole member 42 is urged to rotate in the direction opposite to the rotation urging direction of the latch member 41 by the urging force of the elastic member. Further, the pole member 42 is provided with an engaging portion 52 that contacts the outer peripheral surface of the latch member 41 by rotation based on the biasing force of the elastic member. On the outer peripheral surface of the latch member 41, there is provided an engaging portion 53 with which the engaging portion 52 of the pole member 42 can be engaged based on the urging force of the elastic member.

  That is, the striker 35a that has entered the striker loading / unloading portion 50 with the closing operation of the swing door 11 is engaged with the striker engagement groove 51 of the latch member 41, thereby pressing the latch member 41 and apparently It moves relative to the inner side of the striker entrance / exit 50 (from the left side to the right side in each figure). Thus, the latch mechanism 40a of the present embodiment is configured such that the latch member 41 rotates in the clockwise direction in each figure against the urging force of the elastic member.

  At this time, the engaging portion 52 of the pole member 42 is apparently pressed on the outer peripheral surface of the latch member 41 in contact with the latch member 41 while being pressed against the outer peripheral surface of the latch member 41 based on the biasing force of the elastic member. Slide. The latch mechanism 40a of the present embodiment is configured such that the engaging portion 52 of the pole member 42 engages with the engaging portion 53 on the latch member 41 side, thereby causing the latch member 41 based on the biasing force of the elastic member. , That is, the rotation in the counterclockwise direction in each drawing in which the striker 35a is detached from the latch member 41 is restricted.

  More specifically, the outer circumferential surface of the latch member 41 is provided with two step portions 55 and 56 arranged in the circumferential direction. That is, when the latch member 41 pressed by the striker 35a rotates in the clockwise direction in each figure against the urging force of the elastic member, the engaging portion 52 of the pole member 42 has the two step portions 55. , 56 is slid on the outer peripheral surface of the latch member 41. In the latch member 41 of this embodiment, the striker 35a is detached from the latch member 41 as described above by engaging one end side of each of the step portions 55 and 56 with the engaging portion 52 of the pole member 42, respectively. The first engaging portion 53a and the second engaging portion 53b that can regulate the rotation in the separating direction function.

  Specifically, when the latch member 41 pressed by the striker 35a is rotated in the clockwise direction in FIG. 6 from the open state as shown in FIG. The first step portion 55 formed on the outer peripheral surface of the latch member 41 is overcome. That is, as shown in FIG. 7, this causes the engaging portion 52 of the pole member 42 to move to a position where the end surface of the first stepped portion 55 that has passed over can be engaged as the first engaging portion 53a. And the latch mechanism 40a of this embodiment can control the rotation of the latch member 41 based on the urging force of the elastic member in this rotation position (half latch state).

  Further, the latch mechanism 40a of the present embodiment is configured such that the latch member 41 further rotates in the clockwise direction in FIG. That is, as shown in FIG. 2, the engaging portion 52 of the pole member 42 gets over the second step portion 56 provided side by side in the circumferential direction of the first step portion 55 by the rotation of the latch member 41. . And the end surface of the 2nd step part 56 which got over the 2nd step part 56 is engaged with the latch member 41 as the 2nd engaging part 53b (full latch state).

  The latch mechanism 40a of this embodiment restrains the striker 35a engaged with the latch member 41 so as not to be detached by shifting to the full latch state. And the door lock device 30 of this embodiment can hold | maintain the swing door 11 by which the upper lock 21 was provided in the upper end part by a closed state by this more reliably.

  As shown in FIG. 1, the door body 33 of the swing door 11 is provided with a door handle 60 that is operated to open and close the swing door 11. That is, the door handle 60 serves as a grip when the swing door 11 is opened and closed. The door lock device 30 of the present embodiment is configured to unlock each door lock portion 20 based on an operation input to the operation portion 60a (outer handle and inner handle) of the door handle 60. .

  Specifically, the door lock device 30 of the present embodiment includes a remote controller 61 connected to the upper lock 21 and the lower lock 22 via transmission members T1 and T2. The remote controller 61 is connected to the door handle 60 (the operation unit 60a) via the transmission member T3. That is, in the door lock device 30 of the present embodiment, the operating force for the door handle 60 is transmitted to the upper lock 21 and the lower lock 22 via the remote controller 61. In this embodiment, wire cables 63 are used for the transmission members T1 and T2 of the upper lock 21 and the lower lock 22, respectively, and a shaft-shaped transmission member (rod) 64 is provided for the transmission member T3 of the door handle 60. It is used. The latch mechanisms 40 of the upper lock 21 and the lower lock 22 are mechanically engaged with the striker 35 engaged with the latch member 41 based on the operation force transmitted through the transmission members T1 and T2, respectively. It is configured to release the restraint.

  As shown in FIG. 2, in the door lock device 30 of this embodiment, the latch mechanism 40a on the upper lock 21 side is provided with a release lever 70 having a connection portion 70a for a wire cable 63 extending from the remote controller 61. Yes. Specifically, the release lever 70 has a support shaft 71 parallel to the support shaft 48 of the pole member 42, and is disposed in the vicinity (lower side in FIG. 2) of the pole member 42. Further, the release lever 70 rotates in the clockwise direction in the drawing when the wire cable 63 pulls the connecting portion 70a based on the operating force applied to the door handle 60. Further, in the latch mechanism 40a of the present embodiment, the pole member 42 is provided with a pressed protrusion 72 that contacts the pressing portion 70b provided on the release lever 70 by the rotation of the release lever 70. . And the latch mechanism 40a of this embodiment is the structure by which the engagement of the said pole member 42 and the latch member 41 is cancelled | released by this when the pole member 42 rotates counterclockwise in the figure. It has become.

  That is, the latch member 41 is rotated counterclockwise in the drawing based on the urging force of the elastic member when the engagement with the pole member 42 is released. And the latch mechanism 40a of this embodiment is the structure which cancels | releases the restraint of the striker 35a by discharging the striker 35a from the striker engaging groove 51 by this.

  Further, as shown in FIG. 1, the door lock device 30 of the present embodiment includes an actuator unit 80 that has a drive source and is provided on the door body 33 of the swing door 11. The actuator unit 80 is connected to the upper lock 21 via a transmission member T4. The upper lock 21 according to the present embodiment includes a closer mechanism 81 that shifts the latch mechanism 40a from the half-latch state to the full-latch state based on the driving force of the actuator unit 80 that is transmitted via the transmission member T4. ing.

  Specifically, as shown in FIGS. 2 to 5, the closer mechanism 81 of the present embodiment includes a slider 82 formed in a long and substantially flat plate shape. In the present embodiment, a wire cable 83 is used for the transmission member T4 that connects the closer mechanism 81 and the actuator unit 80. And the slider 82 of this embodiment has the connection part 82a with respect to this wire cable 83 in the end of the longitudinal direction.

  That is, the actuator unit 80 of this embodiment pulls the wire cable 83 connected to the slider 82 of the closer mechanism 81 using a motor (not shown) as a drive source. Further, in the closer mechanism 81 of the present embodiment, the slider 82 moves along the longitudinal direction based on the tensile force of the wire cable 83. Furthermore, the closer mechanism 81 of the present embodiment rotates the latch member 41 of the latch mechanism 40a in the clockwise direction in FIG. 2 based on the operation of the slider 82. As a result, the latch mechanism 40a is shifted from the half latch state to the full latch state.

  More specifically, in the upper lock 21 of the present embodiment, the slider 82 is disposed in a guide portion 85 formed integrally with the resin body 43 constituting the case member of the latch member 41. Then, by being guided by this guide portion 85, the extending direction of the window frame portion 34 extending in the vertical direction in FIG. 2, that is, at the upper rear end portion of the swing door 11 provided with the upper lock 21. It is configured to move along.

  Further, as shown in FIGS. 7 and 8, the slider 82 of the present embodiment is formed with a long hole 86 extending along the longitudinal direction thereof. The latch member 41 of the present embodiment is formed with an engagement lever 87 that is inserted into the long hole 86 of the slider 82 at a rotation position where the latch mechanism 40a is in a half latch state.

  That is, as shown in FIGS. 7 and 9, the closer mechanism 81 of the present embodiment has a latch member that engages with the elongated hole 86 when the slider 82 pulled by the wire cable 83 moves in this state. 41 is configured to press the engagement lever 87 downward in each figure. As a result, the latch member 41 is configured to rotate clockwise in each drawing to the rotation position at which the latch mechanism 40a is in a fully latched state.

  Specifically, as shown in FIG. 1, the operation of the actuator unit 80 of the present embodiment is controlled by the ECU 90. Further, as shown in FIGS. 4 to 6, the upper lock 21 of this embodiment is provided with a pole switch 91 that is turned on / off based on the pivoting operation of the pole member 42. Based on the ON / OFF output of the switch 91, the half latch state and the full latch state of the latch mechanism 40a are detected. Thus, the door lock device 30 of the present embodiment is configured such that the ECU 90 executes the tension control of the wire cable 83 by the actuator unit 80 until the latch mechanism 40a shifts from the half latch state to the full latch state. ing.

  Further, as shown in FIG. 3, the closer mechanism 81 of the present embodiment has a tension coil spring that urges the slider 82 in a direction opposite to the tension direction of the wire cable 83 (see FIG. 2, upper side in the figure). 93.

  That is, as shown in FIG. 10, the closer mechanism 81 of the present embodiment allows the slider 82 to be pulled based on the elastic force (biasing force) of the tension coil spring 93 when the tensile force of the wire cable 83 is loosened. It is comprised so that it may return to the position before being done. Further, at this time, the slider 82 of the present embodiment is configured not to interfere with the engaging lever 87 of the latch member 41 inserted into the long hole 86. Thus, the door lock device 30 of the present embodiment is configured to return the actuator unit 80 to the state before starting the pulling of the wire cable 83 while maintaining the latch mechanism 40a in the fully latched state. Yes.

As described above, according to the present embodiment, the following effects can be obtained.
(1) The door lock device 30 includes a door lock portion 20 (upper lock 21) provided in the window frame portion 34 of the swing door 11 and an actuator portion 80 provided in the door body 33 of the swing door 11. Prepare. The upper lock 21 is latched based on the driving force of the latch mechanism 40 (40a) engaged with the striker 35 (35a) provided on the vehicle body 15 side and the actuator unit 80 transmitted via the transmission member T4. And a closer mechanism 81 for shifting the mechanism 40a to the fully latched state.

  According to the above configuration, when the swing door 11 is closed, even if the swing door 11 is weak, the closer mechanism 81 moves the latch mechanism 40a on the upper lock 21 side to the fully latched state. Can be made. As a result, the swing door 11 can be held in the closed state more reliably.

  Moreover, the outer shape of the upper lock 21 provided with the closer function can be reduced in size by arranging the actuator part 80 in the door main body 33. As a result, a high degree of freedom in layout can be ensured.

  (2) A wire cable 83 is used for the transmission member T4. By adopting such a configuration, the driving force of the actuator portion 80 can be efficiently transmitted to the closer mechanism 81 of the upper lock 21 provided in the narrow window frame portion 34. In addition, there is an advantage that the weight can be easily reduced.

  (3) The closer mechanism 81 is based on the pulling force of the wire cable 83, that is, the driving force to the actuator portion 80 transmitted through the wire cable 83. A slider 82 that moves along the extending direction is provided. The slider 82 engages with the latch member 41 of the latch mechanism 40a based on the sliding operation. And the closer mechanism 81 rotates the latch member 41 by this, and makes the latch mechanism 40 transfer to a full latch state.

  According to the above configuration, the outer shape of the upper lock 21 including the closer mechanism 81 can be reduced in size according to the window frame portion 34. And thereby, the mountability of the upper lock 21 having the closer function can be improved.

  (4) The upper lock 21 includes a resin body 43 as a case member that accommodates the latch member 41. The resin body 43 is integrally formed with a guide portion 85 of a slider 82 constituting the closer mechanism 81. Thereby, the size of the upper lock 21 can be reduced, and the smooth movement can be ensured by suppressing the blur of the slider 82.

In addition, you may change the said embodiment as follows.
In the above embodiment, the door lock device 30 of the swing door 11 constituting the front door 10a is embodied. However, the present invention is not limited to this, and in the case of the swing door 11, the object on which the door lock device 30 is provided may be the rear door 10b, the back door, or the like.

  In the above embodiment, the swing door 11 has a structure in which the window frame portion 34 is provided above the door body 33. However, the position of the window frame portion is not necessarily above the door body 33. Not necessary. That is, the door lock part provided in the window frame part does not necessarily need to be an upper lock.

  In the above embodiment, the wire cable 83 is used for the transmission member T4. However, for example, a link, a rod (axial transmission member), or the like may be arbitrarily changed. The configuration of the actuator unit 80 may be arbitrarily changed.

  In the above embodiment, the closer mechanism 81 includes the slider 82 that moves along the extending direction of the window frame portion 34 based on the tensile force of the wire cable 83. Then, the slider 82 is engaged with the latch member 41 to rotate the latch member 41, thereby shifting the latch mechanism 40a to the full latch state. However, the configuration of the closer mechanism 81 is not limited to this, as long as the latch mechanism 40 can be shifted to the fully latched state based on the driving force of the actuator unit 80 transmitted through the transmission member T4. It may be changed. The configuration of the latch mechanism 40 may be any configuration.

  In the above embodiment, the closer mechanism 81 shifts the latch mechanism 40a to the full latch state when the latch mechanism 40a is in the half latch state. However, the present invention is not limited to this, and the operation timing of the closer mechanism 81 may be arbitrarily changed.

  In the above embodiment, the slider 82 of the closer mechanism 81 is formed in a long and substantially flat plate shape. Then, the latch member 41 is rotated by using the elongated hole 86 extending along the longitudinal direction as an engaging portion with respect to the latch member 41. However, the present invention is not limited to this, and the shape of the slider 82 may be arbitrarily changed. And the engaging part with respect to the latch member 41 may also be arbitrarily changed.

Next, technical ideas that can be grasped from the above embodiments will be described together with effects.
(A) a detection unit that detects that the latch mechanism is in a half-latch state and a full-latch state, and an operation of the actuator unit to operate the closer mechanism until the latch mechanism shifts from a half-latch state to a full-latch state. A vehicular door lock device. Thereby, the latch mechanism in the half latch state can be shifted to the full latch state more reliably.

  DESCRIPTION OF SYMBOLS 1 ... Vehicle, 2 ... Door opening part, 10a ... Front door, 11 ... Swing door, 15 ... Vehicle body, 20 ... Door lock part, 21 ... Upper lock, 22 ... Lower lock, 30 ... Door lock apparatus, 33 ... Door main body 34 ... Window frame part, 35 (35a) ... Striker, 40 (40a) ... Latch mechanism, 41 ... Latch member, 42 ... Pole member, 43 ... Resin body (case member), 60 ... Door handle, 60a ... Operation part , 61 ... remote control, T1, T2 ... transmission member, 63 ... wire cable, T3 ... transmission member, 64 ... axial transmission member (rod), 80 ... actuator part, 81 ... closer mechanism, 82 ... slider, T4 ... transmission member , 83... Wire cable, 85... Guide portion, 86... Slot (engagement portion), 87... Engagement lever, 90. The tension coil spring.

Claims (3)

A door lock provided on the window frame of the swing door;
An actuator portion provided on a door body of the swing door,
The door lock part is
A latch mechanism that engages with a striker provided on the vehicle body side;
A closer mechanism that shifts the latch mechanism to a fully latched state based on the driving force of the actuator unit transmitted through the transmission member , and
The latch mechanism includes a latch member that rotates by engaging with the striker,
The closer mechanism engages with the latch member and moves the latch member by moving along the extending direction of the window frame portion based on the driving force of the actuator portion transmitted through the transmission member. Equipped with a slider
The slider is provided with a long hole extending along the moving direction of the slider,
The latch member is provided with an engagement lever to be inserted into the long hole of the slider at a rotation position where the latch mechanism is in a half latch state,
The closer mechanism is configured such that the slider pulled by the transmission member moves and presses the engaging lever that engages with the elongated hole, whereby the latch mechanism is moved to a rotating position where the latch mechanism is in a fully latched state. A vehicle door lock device for rotating a member . The vehicle door lock device according to claim 1,
The transmission member is a wire cable;
A vehicle door lock device. In the vehicle door lock device according to claim 1 or 2 ,
The door lock portion includes a case member that houses the latch member, and the case member is integrally formed with a guide portion of the slider.
A vehicle door lock device.

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