JP5320647B2 - Vehicle door lock device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable connection work of a string shaped member to be efficiently performed, and to prevent the string shaped member from slipping out of an open lever. <P>SOLUTION: An open lever 21 is pivoted on an actuator base member 18, and has a cutout hole 211 in which a string shaped member 13 can be hooked through an opening 211a opened in the direction opposite to a release direction. The actuator base member 18 is located at a position facing the opposite side of the opening 211a side in the cutout hole 211 of the open lever 21, and has a support part 183 which supports the string shaped member 13 hooked in the cutout hole 211 such that the string shaped member 13 is movable in a direction substantially parallel to the moving direction of the cutout hole 211 when the open lever 21 actuates the string shaped member 13 in the release direction. <P>COPYRIGHT: (C)2012,JPO&amp;INPIT

Description

  The present invention relates to a vehicle door lock device that can efficiently perform a vehicle production process.

  In a door lock device for restraining a back door in a closed state, a latch mechanism for restraining the back door in a closed state that can be released by driving an electric actuator has been proposed. In such a door lock device, when the back door is closed in the vehicle production process without wiring for power supply to the electric actuator, it is necessary to open the back door in the subsequent process. The back door cannot be opened. This is a major problem in improving the working efficiency of the vehicle production process. In order to eliminate this problem, in the vehicle production process, the latch mechanism is released and the back door is released by hooking and pulling a string-like member on an open lever that enables the latch mechanism to be released. It can be opened (see, for example, Patent Documents 1 and 2 and Non-Patent Document 1).

Japanese Patent No. 4552403 JP 2009-202823 A

Japan Society of Invention Disclosure Techniques Technical Number 2003-504704 (Issued Date: August 12, 2003)

  However, in the invention described in Patent Document 1, since the string-like member is hooked on the open lever by passing through the hole provided in the open lever, the work of hooking the string-like member is troublesome and the work efficiency is poor. . In the invention described in Patent Document 2 and the technique described in Non-Patent Document 1 (FIGS. 1, 2, 4, and 5), the work of passing the string-like member through the hole of the open lever is performed. In addition, workability is worse because a knot must be made on the string-like member.

  In view of the above problems, an object of the present invention is to provide a vehicle door lock device capable of efficiently performing a connecting operation of string-like members and preventing the string-like members from falling off from an open lever. Yes.

  In order to solve the above-mentioned problem, the first invention is a latch mechanism that is attached to either the vehicle body or the door and can be engaged with and disengaged from the other striker, an electric actuator that is driven by opening the door, and the electric When the actuator is driven to release the latch mechanism engaged with the striker to release the disengaged state, the release lever is operable in the release direction, and the open lever is hooked on both ends in the same direction. A string-like member capable of operating the open lever in a release direction, and the open lever is pivotally supported by an actuator base member and opens in a direction opposite to the release direction and passes through the opening. The actuator base member includes the open lever. The movement direction of the notch hole when the open lever is operated in the release direction at a position opposite to the opening side of the notch hole of the notch hole. It has the support part supported so that a movement to the direction substantially parallel to is possible.

  According to a second invention, in the first invention, the notch hole is provided in a portion that moves in a left-right direction by the operation of the open lever, and the support portion is the string that is hung on the notch hole. It is characterized in that the shaped member does not hang down from the notch hole.

  According to a third invention, in the first or second invention, the latch mechanism is fixed to either the vehicle body or the door, and the actuator base member is connected and fixed. A latch pivotally supported by a latch base member and engageable with and disengaged from the striker; and a ratchet operable in a direction to release the engagement state and enter the disengagement state based on an operation of the open lever in a release direction; The latch base member has a through hole that is hooked in the notch hole and that allows both ends of the string-like member supported by the support portion to be pulled out to the outside of the latch base member. It is said.

  According to a fourth invention, in the third invention, the actuator base member has a hooking portion capable of hooking both ends of the string-like member pulled out from the through hole.

  According to a fifth invention, in the third or fourth invention, the notch hole abuts against the ratchet when the open lever is actuated in a release direction to actuate the latch mechanism to a release state. It is characterized in that it is provided between the center and the rotation center of the open lever.

  In a sixth aspect based on any one of the third to fifth aspects, in the state where the actuator base member is not connected and fixed to the latch base member, the notch hole of the open lever is formed from the actuator base member. It is provided in the exposed part.

  In the present invention, the notch hole in which the string-like member is hung is formed in a shape in which the side opposite to the release direction of the open lever is opened, so that the middle of both ends of the string-like member can be easily hung on the open lever. Furthermore, the support portion is located on the side facing the release direction of the open lever to the actuator base member on which the open lever is pivotally supported, and supports the string-like member so as to be movable in a direction substantially parallel to the moving direction of the notch hole. By providing, it is possible to prevent the string-like member from falling out of the notch hole.

It is a typical side view of a vehicle rear part. It is a perspective view of the door lock device concerning the present invention. It is a perspective view of the latch mechanism and electric actuator of the door lock device. It is an exploded perspective view of a door lock device similarly. It is a front view of a door lock device similarly. FIG. 6 is a side view of the door lock device viewed from the direction of arrow VI in FIG. 5. It is a front view of the door lock device in the engagement state which shows the internal structure of a latch mechanism and an electric actuator. It is a front view of the door lock device in the separation state showing the internal structure of the latch mechanism and the electric actuator.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the following description, the left side in FIG. 1 and the front side of the drawings in FIGS. 5, 7, and 8 are referred to as “front”, and the right side in FIG. 1 and the back side in FIGS. .

  As shown in FIG. 1, the back door 1 is pivotally mounted so that it can be opened and closed in the vertical direction by a door hinge 3 that is provided in the upper part of the vehicle body 2 and faces in the horizontal direction so as to open and close the opening at the rear of the vehicle body 2. The substantially horizontal lower panel 1A of the back door 1 includes a latch mechanism 6 that can be engaged with and disengaged from the striker 4 fixed to the vehicle body 2 side, and an electric actuator 7 that is driven by opening the back door 1. A device 5 is attached.

  As shown in FIGS. 5 and 6, the door lock device 5 is configured such that the latch mechanism 6 protrudes downward from the lower panel 1 </ b> A through the mounting opening 1 </ b> B provided in the lower panel 1 </ b> A of the back door 1, and the electric actuator 7 It is attached from the inside of the back door 1 so as to be arranged in the door 1. Note that FIG. 5 is shown with a part cut away to clearly show the main part.

  As shown in FIG. 4, the latch mechanism 6 includes a metal latch base member 8 that is fixed to the lower panel 1 </ b> A of the back door 1, and a latch 9 that is pivotally attached to the latch base member 8 and can be engaged with and disengaged from the striker 4. And a ratchet 10 that is pivotally attached to the latch base member 8 and that is detachable from the latch 9. The latch base member 8 further includes a synthetic resin cover member 11 fixed on the latch base member 8 so as to cover the upper surfaces of the latch 9 and the ratchet 10, and a metal bracket fixed on the cover member 11. 12 and so on.

  As shown mainly in FIGS. 7 and 8, the latch base member 8 includes a base portion 81 projecting downward from the mounting opening 1 </ b> B of the lower panel 1 </ b> A of the back door 1 and a bent portion formed on the upper left and right sides of the base portion 81. A pair of left and right flange portions 82 and 82 are fixed to the lower panel 1A of the door 1 with bolts (not shown). In the center of the latch base member 8 and the cover member 11, striker entry grooves 83 and 111 into which the striker 4 can enter when the back door 1 is closed are provided. A through hole 84 through which a string-like member 13 to be described later can pass is provided at a boundary portion (bent portion) between the left flange portion 82 and the base portion 81 in the latch base member 8. 7 and 8, the cover member 11, the bracket 12, and a base portion 181 described later are omitted in order to clearly show the internal structure of the latch mechanism 6 and the electric actuator 7.

  As shown in FIGS. 7 and 8, the latch 9 is pivotally attached to the right side of the striker entry groove 83 in the base portion 81 by a latch shaft 14 that is directed substantially in the vertical direction, and the engagement groove 91 in which the striker 4 can be engaged. And the striker 4 engages with the engagement groove 91 in accordance with the closing operation of the back door 1, so that the spring 15 wound around the latch shaft 14 resists the urging force (FIG. 7, FIG. 7). 8 is rotated from the engagement position shown in FIG. 8 by a predetermined angle in the counterclockwise direction to the engagement position shown in FIGS.

  The ratchet 10 is pivotally attached to the left side of the striker entry groove 83 in the base portion 81 by a ratchet shaft 16 facing upward and downward, and has a contacted portion 101 extending rearward, and the latch 9 is engaged from the disengaged position. When rotated to the mating position, the back door 1 is engaged by engaging the latch 9 by the biasing force of the spring 17 wound around the ratchet shaft 16 and preventing the latch 9 from rotating from the engaged position to the disengaged position. Restrain in the closed position. Further, the ratchet 10 engages the latch mechanism 6 based on the rotation of the open lever 21 described later in the release direction (the latch 9 is engaged with the striker 4 and the ratchet 10 is engaged with the latch 9). The engagement state is released from the engagement position (position shown in FIG. 7) and the latch mechanism 6 is released (the latch 9 is released from the striker 4 and the ratchet 10 is released from the latch 9). The back door 1 can be opened by operating in the release direction (counterclockwise in FIG. 7).

  The electric actuator 7 includes an actuator base member 18 that is fixed to the latch base member 8 via the bracket 12 of the latch mechanism 6, an electric motor 19 that is disposed in the upper portion of the actuator base member 18, and the actuator base member 18. The worm wheel 20 is pivotally attached and meshed with the worm 191 fixed to the rotating shaft of the electric motor 19 and rotated by the drive of the electric motor 19. The worm wheel 20 is driven by the rotation of the electric motor 19. When an operation handle or an operation switch (both not shown) provided on the back door 1 is operated, the electric motor 19 is driven to operate the open lever 21 to latch. The mechanism 6 is operated from the engaged state to the disengaged state.

  The open lever 21 is hung between the ends 131 and 131 of the string-like member 13. In the vehicle production process, both ends 131 and 131 of the string-like member 13 drawn out from the lower panel 1A of the back door 1 are connected in the same direction in a state where no electrical wiring for supplying power to the electric motor 19 is provided. The latch mechanism 6 can be operated from the engaged state to the disengaged state.

  The actuator base member 18 includes a front base portion 181 (FIGS. 2 and 3) fixed to the bracket 12 and a cover portion 182 that closes the rear side of the base portion 181.

  A support portion 183 is provided at the lower left end of the cover portion 182 at a position opposite to the opening side of a later-described cutout hole 211 provided in the open lever 21 and extending substantially in the horizontal direction. . The support portion 183 supports the string-like member 13 hung on the notch hole 211 of the open lever 21 so as not to hang down and is movable in the left-right direction (a direction substantially parallel to the moving direction of the notch hole 211).

  As shown in FIGS. 2 and 3, on the left side of the base portion 181, both ends 131 and 131 of the string-like member 13 hung on the open lever 21 and the support portion until the electric actuator 7 is assembled to the latch mechanism 6. An intermediate hooking portion 184 having an opening at the bottom for hanging a portion between the portion supported by 183 is provided, and the electric actuator 7 is assembled to the latch mechanism 6 on the right side portion of the base portion 181 and then opened. Both ends 131 of the string-like member 13 hung on the lever 21 are provided with both-end hooking portions 185 that open in the lower part where the vicinity of 131 is hung.

  Further, a long hole 186 in the vertical direction in which a tool such as a screwdriver can be inserted is provided on the front surface of the base portion 181. In addition, a protruding wall portion 187 that protrudes downward is provided at the lower left end portion of the base portion 181 so as to face the front side of the support portion 183 of the cover portion 182 with a slight gap. The protruding wall portion 187 prevents the string-like member 13 from moving forward so that the string-like member 13 supported on the support portion 183 does not fall off the support portion 183.

  The worm wheel 20 is pivotally mounted between the base portion 181 and the cover portion 182 by a shaft 23 facing in the front-rear direction, and is normally in a neutral position (shown in FIGS. 7 and 8) by a biasing force of a spring 24 provided around the shaft 23. Position), the electric motor 19 is driven and meshed with the worm 191 to rotate counterclockwise from the neutral position against the biasing force of the spring 24, and when the driving of the electric motor 19 is stopped, The spring 24 returns to the neutral position by the urging force of the spring 24 and stops.

  The open lever 21 is pivotally attached to the actuator base member 18 by a front-rear shaft 22 and a contact portion 212 on which a protrusion 201 provided on the rotation surface of the worm wheel 20 can contact from the rotation direction. And a release arm portion 213 extending downward and an emergency arm portion 216 extending rightward.

  When the worm wheel 20 rotates counterclockwise by the drive of the electric motor 19, the protrusion 201 of the worm wheel 20 contacts the contacted portion 212 of the open lever 21, so that the open lever 21 is in the initial state shown in FIG. From the position, it rotates by a predetermined angle in the clockwise direction (hereinafter referred to as the release direction), and rotates to the position shown in FIG. When the open lever 21 rotates in the release direction, the abutment portion 214 at the lower left end of the release arm portion 213 of the open lever 21 abuts against the abutted portion 101 of the ratchet 10 from the right side, thereby engaging the latch 9. The ratchet 10 thus rotated rotates in the release direction to release from the latch 9.

  The release arm portion 213 of the open lever 21 is between the shaft 22 (the center of rotation of the open lever 21) and the contact portion 214 and is moved to the left and right as the open lever 21 rotates. The opposite side (right side) of the direction has an opening 211a, and a notch hole 211 is provided in which the middle of both ends 131, 131 of the string-like member 13 is hung. A projecting portion 215 that projects obliquely upward so as to narrow the opening width in the vertical direction of the opening 211a is provided at the lower portion of the opening 211a of the notch hole 211 so that the string-like member 13 does not easily fall out of the notch hole 211. It is done. In a state before the latch mechanism 6 and the electric actuator 7 are assembled to each other, the cutout hole 211 of the open lever 21 protrudes downward from the lower end of the actuator base member 18.

  As shown in FIG. 5, a part of the emergency arm portion 216 of the open lever 21 is exposed from the long hole 186 so as to intersect the long hole 186 of the actuator base member 18. Thereby, for example, after the door lock device 5 is attached to the back door 1, when the electric motor 19 cannot be driven due to an electrical failure or the like, a tool such as a screwdriver is inserted into the long hole 186, By pushing down the emergency arm portion 216, the open lever 21 can be rotated in the release direction to open the back door 1.

  The string-like member 13 extends in the left direction from the notch hole 211 in a state where the middle of both ends 131, 131 is hooked to the notch hole 211 through the opening 211a of the notch hole 211 in the open lever 21, and is an actuator base member. 18, and both ends 131 and 131 pass through the through hole 84 of the latch base member 8 and are pulled out to the outside of the latch base member 8.

Next, the mutual assembly procedure of the electric actuator 7 and the latch mechanism 6 and the installation procedure of the door lock device 5 to the back door 1 will be described.
In a state before the electric actuator 7 is assembled to the latch mechanism 6, as shown in FIG. 3, the notch of the open lever 21 that protrudes from the lower end of the actuator base member 18 at the middle of both ends 131 and 131 of the string-like member 13. The hole 211 is hung through the opening 211a. Then, the middle left portion of the string-like member 13 is placed on the support portion 183 through the gap between the support portion 183 and the protruding wall portion 187, and both ends 131 and 131 of the string-like member 13 are hung on the intermediate hooking portion 184. To the state.

  In order to assemble the electric actuator 7 to the latch mechanism 6, first, both ends 131 and 131 of the string-like member 13 hung on the intermediate hooking portion 184 of the actuator base member 18 are passed through the through holes 84 of the latch base member 8. In this state, the mounting piece 121 extending upward of the bracket 12 of the latch mechanism 6 is fixed to the front surface of the base portion 181 of the actuator base member 18 with the bolt 25. Next, the string-like member 13 is removed from the intermediate hooking portion 184, and as shown in FIG. 2, the striking member entering groove 83 of the latch mechanism 6 near the both ends 131, 131 of the string-like member 13 drawn from the through hole 84, It is hung on both end hooking portions 185 of the actuator base member 18 via 111. Thereby, since the string-like member 13 hung on the open lever 21 does not hang down from the door lock device 5, the door lock device 5 can be easily transported and the door lock device 5 is connected to the back door 1. It is possible to easily perform the work of fixing to.

  Next, using a working hole (not shown) provided in the back door 1, the door lock device 5 is inserted into the back door 1, and the latch mechanism 6 is protruded downward from the mounting opening 1B of the lower panel 1A. In this state, the flange portions 82 and 82 of the latch base member 8 are fixed to the inner surface of the lower panel 1A with bolts (not shown). Thereby, the string-like member 13 is pulled out of the back door 1 through the through hole 84 of the latch base member 8 and the mounting opening 1B of the lower panel 1A of the back door 1. Then, both ends 131, 131 of the string-like member 13 are held by both-end hook portions 185 of the actuator base member 18 in the back door 1. In this case, both ends 131, 131 of the string-like member 13 are not hung from the both-end hooking portions 185 of the actuator base member 18 and hang down from the door lock device 5, so that the string-like member 13 and the latch mechanism 6 are combined with the back door. 1 can be easily passed through the mounting opening 1B.

  If it is necessary to open the back door 1 in the vehicle production process in which the door lock device 5 is attached to the back door 1 and the electric actuator 7 is not electrically connected to the power source, After pulling the string-like member 13 drawn out from the mounting opening 1B of the lower panel 1A of the door 1 in the same direction to remove both ends 131, 131 from the both-end hooking portion 185, both ends 131, 131 of the string-like member 13 are placed in the same direction. By pulling to the open lever 21, the open lever 21 is rotated in the release direction. As a result, the abutment portion 214 of the open lever 21 abuts on the abutted portion 101 of the ratchet 10, and the backdoor 1 can be opened by rotating the ratchet 10 in a direction away from the latch 9. After the electric motor 19 is electrically connected to the power source, the string-like member 13 is pulled out of the notch hole of the open lever 21 by pulling one of the ends 131 of the string-like member 13. It comes out of 211 and comes off the door lock device 5.

  As described above, in the present embodiment, the latch mechanism 6 that is attached to the back door 1 and can be engaged with and disengaged from the striker 4 of the vehicle body 2 and the electric drive that is driven by the opening operation of the operation handle or the operation switch provided on the back door 1. An electric actuator 7 having a motor 19; an open lever 21 that can be rotated in a release direction for operating the latch mechanism 6 to a disengaged state that releases the engaged state engaged with the striker 4 by driving the electric actuator 7; 21 and a string-like member 13 that can turn the open lever 21 in the release direction when both ends 131 and 131 are pulled in the same direction. The open lever 21 is pivotally supported by the actuator base member 18 and has a notch hole 211 through which the string-like member 13 can be hung through an opening 211a that opens in a direction opposite to the release direction. Thereby, the middle of both ends 131 and 131 of the string-like member 13 can be easily hung on the notch hole 211 through the opening 211a.

  Further, the notch hole 211 is provided in a portion that moves in the left-right direction by the rotation of the open lever 21, and the actuator base member 18 faces the opposite side of the notch hole 211 in the open lever 21 from the side of the opening 211 a. The support portion 183 that is in a position and supports the string-like member 13 hung on the notch hole 211 so as to be movable in a direction substantially parallel to the moving direction of the notch hole 211 when the open lever 21 is rotated in the release direction. Have Thereby, by pulling both ends 131 and 131 of the string-like member 13 hung on the notch hole 211 in the same direction, the middle of the string-like member 13 is moved by the support portion 183 of the notch hole 211 of the open lever 21. Guided in the same direction as the direction, the open lever 21 can be smoothly and reliably rotated in the release direction. Further, since the string-like member 13 does not hang directly from the notch hole 211, the string-like member 13 does not easily fall out of the notch hole 211 during the assembling operation.

  Further, the latch base member 8 has a through hole 84 that allows the both ends 131 and 131 of the string-like member 13 supported by the support portion 183 to be pulled out to the outside of the latch base member 8 when the latch base member 8 is hooked in the notch hole 211. Thereby, both ends 131 and 131 of the string-like member 13 hung on the open lever 21 can be easily pulled out to the outside of the back door 1.

  Furthermore, the actuator base member 18 has both-end hook portions 185 that can hook both ends 131, 131 of the string-like member 13 drawn from the through hole 84. Thereby, when attaching the door lock apparatus 5 to the lower panel 1A of the back door 1, the string-like member 13 does not hang down from the door lock apparatus 5, so that the string-like member 13 is attached to the back door 1 of the door lock apparatus 5. The door lock device 5 can be easily attached to the back door 1 without disturbing the attaching operation.

  Further, the notch 211 of the open lever 21 is provided with a contact portion 214 and an open lever of the open lever 21 that contacts the ratchet 10 to operate the latch mechanism 6 in the disengaged state when the open lever 21 rotates in the release direction. 21 between the center of rotation and 21. Thereby, the ratchet 10 can be smoothly rotated in the release direction by pulling the both ends 131 and 131 of the string-like member 13 hung on the open lever 21.

  Further, in a state where the actuator base member 18 is not connected and fixed to the latch base member 8, the cutout hole 211 of the open lever 21 is provided in a portion exposed from the actuator base member 18. Thereby, the middle of both ends 131 and 131 of the string-like member 13 can be easily hung on the notch hole 211 of the open lever 21.

As mentioned above, although one Embodiment of this invention was described, it is possible to give the following various deformation | transformation and change with respect to this Embodiment within the range which does not deviate from the summary of this invention.
(I) Instead of the back door 1, the door to which the door lock device 5 is attached is a trunk lid, a side door or a slide door.
(Ii) The door lock device 5 is provided on the vehicle body 2 side, and the striker 4 is provided on the door side.

DESCRIPTION OF SYMBOLS 1 Back door 1A Lower panel 1B Mounting opening 2 Car body 3 Door hinge 4 Striker 5 Door lock device 6 Latch mechanism 7 Electric actuator 8 Latch base member 9 Latch 10 Ratchet 11 Cover member 12 Bracket 13 String member 14 Latch shaft 15 Spring 16 Ratchet shaft 17 Spring 18 Actuator base member 19 Electric motor 20 Worm wheel 21 Open lever 22 Shaft 23 Shaft 24 Spring 25 Bolt 81 Base part 82 Flange part 83 Striker entry groove 84 Through hole 91 Engagement groove 101 Contacted part 111 Striker entry groove 121 Mounting piece 131 End 181 Base portion 182 Cover portion 183 Support portion 184 Intermediate hook portion 185 Both ends hook portion 186 Long hole 187 Protruding wall portion 191 Warm 201 Protruding portion 211 Notch hole 211a Opening 212 Contact portion 2 3 release arm portion 214 abutment portion 215 projecting portion 216 emergency arm

Claims (6)

A latch mechanism attached to either the vehicle body or the door and detachable from the other striker;
An electric actuator that is driven by opening the door;
An open lever operable in a release direction to operate the latch mechanism to a disengaged state that releases the engaged state engaged with the striker by driving the electric actuator;
A string-like member capable of operating the open lever in the release direction when both ends are pulled in the same direction by being hung on the open lever;
The open lever is pivotally supported by an actuator base member, and has a notch hole that is open in a direction opposite to the release direction and through which the string member can be hooked.
The actuator base member is located at a position opposite to the opening side of the notch hole of the open lever, and the open lever operates the string-like member hung on the notch hole in the release direction. A door lock device for a vehicle, comprising a support portion that is movably supported in a direction substantially parallel to a moving direction of the cutout hole. The notch hole is provided in a portion that moves in the left-right direction by the operation of the open lever,
2. The vehicle door lock device according to claim 1, wherein the support portion supports the string-like member so that the string-like member hung on the notch hole does not hang down from the notch hole. 3. The latch mechanism includes a latch base member that is fixed to either the vehicle body or the door and to which the actuator base member is connected and fixed, and a latch that is pivotally supported by the latch base member and can be attached to and detached from the striker. A ratchet operable to release the engaged state and to be in the disengaged state based on an operation in the release direction of the open lever;
The latch base member has a through hole that is hooked in the notch hole and allows both ends of the string-like member supported by the support portion to be pulled out to the outside of the latch base member. The vehicle door lock device according to 1 or 2.   4. The vehicle door lock device according to claim 3, wherein the actuator base member has a hooking portion capable of hooking both ends of the string-like member pulled out from the through hole.   The notch hole is provided between a contact portion that contacts the ratchet and operates the latch mechanism to a disengaged state when the open lever is operated in the release direction, and a rotation center of the open lever. The vehicle door lock device according to claim 3 or 4, characterized in that   6. The cutout hole of the open lever is provided in a portion exposed from the actuator base member in a state where the actuator base member is not coupled and fixed to the latch base member. The vehicle door lock device described in 1.

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