WO2012063722A1 - 車両用ロック装置 - Google Patents

車両用ロック装置 Download PDF

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Publication number
WO2012063722A1
WO2012063722A1 PCT/JP2011/075382 JP2011075382W WO2012063722A1 WO 2012063722 A1 WO2012063722 A1 WO 2012063722A1 JP 2011075382 W JP2011075382 W JP 2011075382W WO 2012063722 A1 WO2012063722 A1 WO 2012063722A1
Authority
WO
WIPO (PCT)
Prior art keywords
pair
locking device
cover
support
vehicle
Prior art date
Application number
PCT/JP2011/075382
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
賢治 田阪
紀宗 渡辺
Original Assignee
シロキ工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by シロキ工業株式会社 filed Critical シロキ工業株式会社
Priority to CN201180053702.0A priority Critical patent/CN103201444B/zh
Publication of WO2012063722A1 publication Critical patent/WO2012063722A1/ja

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/14—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/32—Details of the actuator transmission
    • E05B81/42—Cams
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/16—Locks for luggage compartments, car boot lids or car bonnets
    • E05B83/18—Locks for luggage compartments, car boot lids or car bonnets for car boot lids or rear luggage compartments
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/02—Lock casings

Definitions

  • the present invention relates to a vehicle locking device including a rotatable hook that engages and disengages with a striker, and a rotatable pole that fixes and releases the rotational position of the hook.
  • Patent Document 1 discloses a conventional technique in which a striker protrudes from a rear opening of an automobile body, and a lock device that engages and disengages the striker is provided at a rear door that opens and closes the rear opening.
  • This locking device has a box-shaped base plate (support case) that is fixed to the rear door and that has an opening on one side and a striker insertion groove on the bottom wall that can be inserted and removed, and a pair of pivots that are fixed to the bottom wall of the base plate. (Support shaft) is attached to one pivot so as to be rotatable between the unlocked position not engaged with the striker and the locked position engaged with the striker, and is rotated toward the unlocked position by the biasing means.
  • An actuator unit is connected to the lock device.
  • the actuator unit includes a motor that rotates the worm with electric power, a worm wheel that meshes with the worm and has a cam surface, a cam follower that contacts the cam surface of the worm wheel, and a gap between the base plate and the cover plate.
  • An operating lever (lock release lever) having a pressing portion (output portion) that enters the space and faces the pole.
  • a pair of mounting pieces project from the base plate of the lock device, and a pair of ear pieces projecting from the mounting pieces project from the cover plate. Then, the base plate and the cover plate are fixed to the rear door by screwing a bolt that passes through a bolt insertion hole formed in the fixing member and the mounting piece of the rear door into a screw hole formed in the ear piece.
  • the thickness of the locking device is increased by the amount of the mounting piece and the ear piece overlapped, the thickness of the rear door must be increased accordingly.
  • a pair of ear pieces are provided on the cover plate, many materials are required to form the cover plate. Therefore, the cost is high and the weight is increased.
  • the base plate and the cover plate protrude from the base plate after the main body of the cover plate (the part located between the pair of ear pieces) is positioned inside the base plate and brought into contact with the inner surfaces of the pair of side walls of the base plate.
  • the pair of convex portions are fitted into a pair of positioning holes formed in the cover plate, and the attachment piece and the ear piece are fixed with bolts to position each other. For this reason, if at least one of the formation positions of the convex portion, positioning hole, bolt insertion hole of the mounting piece, and screw hole of the ear piece is displaced from the design position, the relative position of the base plate and the cover plate is displaced from the design position.
  • the pair of pivots whose one ends are fitted into the support holes of the cover plate are inclined, so that the operation of the hooks and poles becomes unsmooth.
  • the position of the convex portion and the positioning hole, and the position of the bolt insertion hole of the mounting piece and the screw hole of the ear piece must be matched. Not easy.
  • the present invention provides a vehicle locking device that can be reduced in weight and cost while reducing the overall thickness, and that can easily form and assemble components.
  • a vehicle locking device includes a bottom wall having a striker entry groove into which a striker provided in one of a vehicle main body and a door that can be opened and closed with respect to the vehicle main body, and both side edges of the bottom wall.
  • a support case that is fixed to the other of the vehicle body and the door, and that extends from the bottom wall toward the open surface side.
  • the locking piece includes a fitting portion that fits into the positioning recess, and a facing portion that extends from the tip of the fitting portion toward the bottom wall and faces the outer surface of the side wall. It may be.
  • a groove may be formed at both ends of the bottom surface of the positioning recess.
  • a groove continuous with the base end of the locking piece may be formed on the side edge of the cover.
  • the cover is not overlapped with the fixing portion of the support case with respect to the vehicle main body or the door, and the locking piece of the cover is fitted into the positioning recess of the support case, and the side surface of the cover Since the (position regulating surface) is opposed to the inner surfaces of the pair of side walls, the overall thickness can be reduced. Moreover, since the part which overlaps with the said fixing
  • positioning means for the support case and the cover (corresponding to the convex portion, the positioning hole, the bolt insertion hole of the mounting piece, and the screw hole of the ear piece except for the side wall of the support case and the position regulating surface of the cover) Since the positioning means) is only the positioning recess of the support case and the locking piece of the cover, when molding the support case and the cover, it is only necessary to pay attention to the molding position accuracy of the positioning recess and the locking piece. Therefore, it is relatively easy to form the support case and the cover.
  • the pair of position restricting surfaces formed on the side surfaces of the cover are opposed to the inner surfaces of the pair of side walls of the support case, and the engaging piece is simply fitted into the positioning recess. Since it is good, the assembly
  • the opposing portion which is a part of the locking piece and the side wall perform position regulation in the direction connecting the pair of locking pieces, positioning in the direction becomes more reliable. .
  • the width of the bottom surface side of the positioning concave portion becomes narrower than the width of the front end surface side of the side wall when processed as a square corner portion. There is a fear.
  • the widths of all the positioning recesses in the depth direction can be made the same, so that the locking pieces can be fitted securely.
  • the width of the locking piece can be made the same in any of the longitudinal directions (because the width on the base end side does not become larger than the tip end side), The locking piece can be reliably fitted into the positioning recess.
  • FIG. 1 is a side view of an automobile to which an embodiment of the present invention is applied. It is a disassembled perspective view of an actuator unit. It is a disassembled perspective view of a lock unit. It is the perspective view seen from the front diagonal upper part of the locking device. It is the perspective view seen from the front diagonal upper direction of the locking device of the state where the upper cover and the front cover were removed. It is a figure which shows the actuator unit and lock unit at the time of unlocking in the state which isolate
  • FIG. 7 is a view similar to FIG. 6 when the lock device is unlocked using the lock release lever. It is sectional drawing which follows the XX arrow line of FIG.
  • a rear opening 11 is formed on the rear surface of the vehicle body of the automobile 10, and the upper edge of the back door 12 having the same shape as the rear opening 11 extends in the left-right direction at the upper edge of the rear opening 11. It is attached so as to be rotatable around the rotation axis.
  • the back door 12 is between a fully closed position (a position indicated by a solid line in FIG. 1) that completely closes the back opening 11 and a fully open position (a position indicated by an imaginary line in FIG. 1) that is substantially horizontal and opens the back opening 11. Can be rotated. As shown in FIG.
  • a metal striker 15 protrudes upward at the bottom of the rear opening 11. Furthermore, a lock device 20 that can be engaged with and disengaged from the striker 15 is provided at a portion that forms the bottom surface of the back door 12 when the back door 12 is in the fully closed position.
  • the vertical direction and the front-rear direction when describing the locking device 20 are directions when the back door 12 is located at the fully closed position.
  • the lock device 20 includes a lock unit 25 and an actuator unit 80.
  • the lock unit 25 is a unit that extends in a substantially horizontal direction when the back door 12 is located at the fully closed position.
  • the metal support case 26 is a press-molded product that includes a storage recess 27 that is recessed in the center thereof, and a pair of left and right attachment pieces 28 that are fixed to the back door 12.
  • the rear portion of the storage recess 27 is open, and a striker entry groove 29 extending rearward from the front end is formed in the bottom wall 26a of the storage recess 27.
  • a curved ridge 32 having a curved shape projects from the bottom wall 26 a of the storage recess 27.
  • a positioning recess 31 is provided in the upper edge of the pair of left and right side walls 26b that are substantially orthogonal to the bottom wall 26a provided upright on both side edges of the bottom wall 26a.
  • groove portions 31 a having a semicircular shape in a side view are recessed at the front and rear end portions of the lower edge portion of the positioning recess portion 31 so as to be lower than the center portion of the lower edge portion. It is.
  • the front-rear width of the lower portion of the positioning recess 31 may be narrower than the front-rear width of the upper portion. However, if such a groove portion 31a is formed, the front-rear width in all the vertical positions of the positioning recess 31 can be reliably made the same.
  • a metal hook support shaft (support shaft) 34 and pole support shaft (support shaft) 42 are respectively inserted from below into two circular through holes formed in the bottom wall 26a of the storage recess 27.
  • a retaining flange 34 a and a retaining flange 42 a that abut against the lower surface of the bottom wall 26 a are respectively projected, and at the upper ends of the hook support shaft 34 and the pole support shaft 42.
  • a circular support hole 36 drilled in the central portion of the hook 35 is rotatably fitted to a portion of the hook support shaft 34 located in the storage recess 27, and the lower surface of the hook 35 is formed on the curved protrusion 32.
  • a lock groove 37 is recessed on the peripheral surface of the hook 35, and a lock protrusion 38 and a half lock protrusion 39 are protruded on the peripheral surface of the hook 35.
  • a spring hooking protrusion 40 is provided on the upper surface of the hook 35. The hook 35 is rotatable about the hook support shaft 34 between the unlock position shown in FIG. 6 and the lock position shown in FIG.
  • a circular support hole 46 formed in the center of the pole 45 is rotatably fitted to the pole support shaft 42, and the lower surface of the pole 45 is in contact with the curved protrusion 32.
  • An engaging surface 47 at the time of unlocking is formed on the peripheral surface of the pole 45 facing the hook 35.
  • an engaging projection 48 and a pressed portion 49 are projected from the rear surface of the pole 45.
  • a triangular prism-shaped pressed protrusion 50 is provided on the upper surface of the pole 45 so as to protrude upward.
  • the pole 45 is rotatable between the engagement position shown in FIGS. 6 and 7 and the non-engagement position shown in FIG.
  • the hook 35 and the pole 45 are located in the lower half of the storage recess 27, and a synthetic resin spring support member 52 having a planar shape substantially the same as the storage recess 27 is stored in the upper half of the storage recess 27. It is.
  • a striker entry groove 53 extending rearward is recessed in the front edge of the spring support member 52, and a fitting holding groove 54 communicating with the rear part of the striker entry groove 53 is formed in the center of the spring support member 52.
  • the spring support member 52 is formed as a through-hole penetrating in the vertical direction.
  • the spring support member 52 is formed with a pair of left and right spring storage spaces 55 and 56 which are separated from the striker entry groove 53 and the fitting holding groove 54 by a wall.
  • a cylindrical rotation support cylinder 57 having upper and lower ends opened is provided on the bottom surface of the left spring storage space 55, and a cylindrical rotation support cylinder 58 having upper and lower ends opened on the bottom surface of the right spring storage space 56. It is provided.
  • An arc groove 60 centering on the rotation support cylinder 57 is formed as a through groove on the bottom surface of the spring storage space 55, and an arc groove 61 centering on the rotation support cylinder 58 is formed on the bottom surface of the spring storage space 56. It is formed as.
  • an insertion hole 62 penetrating the spring support member 52 in the vertical direction is formed at the rear end portion of the spring support member 52, and a notch 63 is formed at the upper end of the wall partitioning the fitting holding groove 54 and the spring storage space 55. It is formed.
  • a torsion coil spring 64 is accommodated in the spring accommodating space 56, and a winding portion of the torsion coil spring 64 is located around the rotation support cylinder 58.
  • a torsion coil spring 65 is housed in the spring housing space 55, and a winding portion of the torsion coil spring 65 is positioned around the rotation support cylinder 57.
  • the hook 35 is always driven by the biasing force of the torsion coil spring 64. It is urged to rotate toward the unlock position.
  • one end of the torsion coil spring 65 is engaged with the spring support member 52, and the other end of the torsion coil spring 65 is engaged with the pressed protrusion 50 of the pole 45.
  • the rotation bias is always applied to the engagement position side.
  • a holding member 67 made of hard rubber is fitted in the fitting holding groove 54 of the spring support member 52 in a state where the rotation is restricted.
  • the pressing protrusion 68 protruding from the left side surface of the pressing member 67 is positioned in the spring housing space 55 through the notch 63, and the lower surface of the pressing protrusion 68 is in contact with the upper end surface of the pressed protrusion 50. Yes.
  • the upper surface of the support case 26 is covered with an upper cover (cover) 70 which is a press-formed product of a metal plate.
  • a striker entry groove 71 extending rearward is recessed in the front edge of the upper cover 70.
  • inclined connecting pieces 72 are formed at the rear part of the upper cover 70, and locking pieces 73 having a substantially L-shaped cross section that respectively engage with the left and right positioning recesses 31 protrude from the left and right sides of the upper cover 70. It is set up.
  • the locking piece 73 includes a fitting portion 74 extending in the left-right direction and a facing portion 75 extending downward from the tip of the fitting portion 74. As shown in FIG.
  • a groove portion 70 a that is continuous with the base end of the fitting portion 74 and has a semicircular shape in plan view is formed on the side edge portion of the upper cover 70.
  • the technical significance of the groove 70a is the same as that of the groove 31a. That is, if this groove 70a is not formed, the width (front-rear dimension) of the fitting portion 74 is larger than the tip side when the press molding is completed (the proximal end of the fitting portion 74 and the upper cover 70). However, if the groove portion 70a is formed, the width of the fitting portion 74 can be reliably made the same in both the left and right directions.
  • a pair of left and right support holes 76 are formed as through holes on both sides of the striker entry groove 71.
  • both side surfaces of a portion of the upper cover 70 connected to the inclined connection piece 72 constitute a position restricting surface 77 that abuts against the inner surface of the left and right side walls 26b.
  • the front-rear width of the fitting portion 74 of the locking piece 73 is substantially the same (slightly shorter) as the positioning recess 31. Then, by forming semicircular groove portions 31 a at both front and rear end portions of the lower edge portion of the positioning recess 31, the front and rear widths at all the vertical positions of the positioning recess 31 are made the same, and the groove portion 70 a is formed in the upper cover 70.
  • the fitting parts 74 of the left and right locking pieces 73 can be smoothly engaged with the left and right positioning recesses 31, As a result, a minute clearance is formed between the front and rear surfaces of the fitting portion 74 and the front and rear surfaces of the positioning recess 31. Further, the pair of facing portions 75 and the left and right side walls 26b face in the left-right direction while forming a minute clearance. Therefore, when the upper cover 70 is put on the support case 26, the upper cover 70 becomes almost immovable forward and backward and left and right with respect to the support case 26 and is positioned with respect to the support case 26.
  • the caulking portion 34b of the hook support shaft 34 and the caulking portion 42b of the pole support shaft 42 are fitted into the corresponding support holes 76, respectively, and the lower surface of the upper cover 70 is the pressing member. It contacts the upper surface of 67.
  • the inclined connection piece 72 is positioned in front of the insertion hole 62 in plan view, the insertion hole 62 is exposed upward even when the upper cover 70 is put on the support case 26.
  • the caulking portion 34b of the hook support shaft 34 and the caulking portion 42b of the pole support shaft 42 are inserted into the corresponding support holes 76 and then caulked (not shown) to the peripheral portion of the support hole 76, they are fixed.
  • the upper cover 70 does not fall off from the support case 26.
  • the actuator unit 80 is a unit that is substantially orthogonal to the lock unit 25 and extends substantially in the vertical direction when the back door 12 is located at the fully closed position.
  • the rear case 81 of the actuator unit 80 is formed with a storage recess 82 whose rear surface and lower surface are open.
  • the storage recess 82 includes a motor storage space 83 having a substantially rectangular shape in front view and a worm wheel storage space 84 having a generally circular shape in front view, which are partitioned by a peripheral wall of the rear case 81 and a wall provided inside the storage recess 82.
  • a circular support pedestal 88 projects forward from the bottom surface (front surface) of the worm wheel storage space 84, and the support pedestal 88 has a cylindrical rotation support cylinder 89 whose front surface is open, and a rotation support cylinder 89.
  • An arc-shaped spring support protrusion 90 is projected.
  • a rotation support shaft 92, a female screw hole 93, and a support recess 94 are formed on the bottom surface of the storage recess 82.
  • an arc-shaped holding projection 95 having a rotation support cylinder 89 as a center is projectingly provided at the upper part of the bottom surface of the housing recess 82.
  • a motor (actuator) 97 is fitted (stored) in the motor storage space 83.
  • An output shaft 98 that protrudes linearly toward the lower left side and rotates around its axis projects from the lower left end surface of the motor 97.
  • the output shaft 98 is located in the worm wheel storage space 84 through the shaft support recess 86 of the partition wall 85, and its tip end portion is rotatably supported by the support recess 94.
  • a worm 99 parallel to the output shaft 98 is integrally formed on a peripheral surface of a portion of the output shaft 98 located in the worm wheel storage space 84.
  • the motor 97 is connected to a power source (not shown), and when a lock release switch S (see FIG.
  • a coil spring 100 is placed on the support base 88 formed in the worm wheel storage space 84 in a manner located on the outer peripheral side of the spring support protrusion 90. One end of the coil spring 100 is locked to a locking projection (not shown) formed on the support base 88.
  • the rotation support cylinder 89 is fitted and fixed to the rear end portion of the rotation center shaft 102 substantially parallel to the rotation support shaft 92, and the center of the worm wheel 104 made of synthetic resin is located at the front portion of the rotation center shaft 102.
  • a through-supporting hole 105 formed in the portion is fitted so as to be relatively rotatable.
  • the inner peripheral side of the circular peripheral portion of the rear surface of the worm wheel 104 is a recess for receiving the coil spring 100 (see FIG. 10), and the bottom surface (front surface) of the recess has a substantially arc shape, and the coil spring An arc-shaped protrusion 106 that is in contact with 100 is rotatably provided (see FIGS. 2 and 10). The other end of the coil spring 100 is locked to a locking protrusion formed in the recess of the worm wheel 104.
  • a substantially circular front recess 108 is also formed on the front surface of the worm wheel 104.
  • a cam portion 109 located around the through support hole 105 projects from the bottom surface (rear surface) of the front recess 108, and the circumferential distance of the cam portion 109 from the through support hole 105 is the circumferential position.
  • the cam surface 110 changes in accordance with the above.
  • a first stopper 111 and a first stopper 1 and a second stopper 112 for restricting the rotation range of the cam follower 119 (described later) within the front concave portion 108 project from the bottom surface of the front concave portion 108.
  • the worm wheel 104 When the worm wheel 104 receives no rotational force from the worm 99, the worm 99 is held at the initial position shown in FIGS. 6 to 8 by the rotational biasing force of the coil spring 100. When it rotates forward in the direction, it rotates to the operating position shown in FIG. 9 against the urging force of the coil spring 100.
  • a rotation support hole 116 formed in a lock release lever 115 which is a thin plate-like rod-shaped member made of metal is fitted in the rotation support shaft 92 of the rear case 81.
  • the lock release lever 115 is supported by the rotation support shaft 92 and can rotate with respect to the rear case 81 on a plane orthogonal to the axis of the rotation support shaft 92.
  • a pressing portion 117 protrudes from the lower end portion of the lock release lever 115.
  • a portion above the rotation support hole 116 forms a substantially linear straddling portion 118 as a whole, and a cam follower 119 projects from an intermediate portion of the straddling portion 118. Further, a pressed protrusion 120 projects upward at the tip end (upper end) of the straddling portion 118.
  • the cam follower 119 is positioned in the front recess 108 of the worm wheel 104 as shown in FIGS. . Further, the straddling portion 118 is located immediately before the worm wheel 104 (opposite the worm wheel 104 in the front-rear direction), straddles the worm wheel 104 upward, and the vicinity of the front end portion of the straddling portion 118 is the front surface of the holding projection (See FIG. 10).
  • a front cover 122 whose front shape is substantially the same as that of the rear case 81 is covered on the front surface of the rear case 81.
  • a winding portion of a torsion coil spring 125 located between the lock release lever 115 and the front cover 122 is attached to the rear portion of the rotation support shaft 92.
  • One end of the torsion coil spring 125 is locked to the lock release lever 115, and the other end is locked to a locking protrusion (not shown) formed on the rear surface of the front cover 122.
  • the lock release lever 115 receives the counterclockwise rotational urging force of FIGS. 6 to 9 from the torsion coil spring 125, so that the cam follower 119 is always applied to the cam surface 110 of the cam portion 109 (with respect to the rotation center shaft 102). In a direction substantially orthogonal).
  • the lock release lever 115 is positioned at the lock allowable position shown in FIGS.
  • the cam follower 119 receives the rotational force from the cam surface 110, so that the lock release lever 115 is rotated by the torsion coil spring 125. It rotates to the unlocking position shown in FIG. 9 against the rotational biasing force.
  • the lock release lever 115 moves to the lock release position, the power supply from the power source to the motor 97 is cut off, so the motor 97 stops.
  • the unlocking lever 115 rotates and returns to the lock allowable position by the biasing force of the torsion coil spring 125, and the worm wheel 104 returns to the initial position by the rotation biasing force of the coil spring 100, so that the output shaft 98 (and the motor 97) Reverse to the initial position.
  • the set screw 124 is attached to the inclined connection piece 72 and the front cover 122 in a state where the lower end portion of the actuator unit 80 is positioned at the rear portion of the inclined connection piece 72 of the lock unit 25.
  • the inclined connecting piece 72, the front cover 122, and the rear case 81 are fixed to each other by being screwed into the female screw hole 93 of the rear case 81 after being inserted into the through hole.
  • the pressing portion 117 of the lock release lever 115 is supported through the insertion hole 62 of the spring support member 52, as shown in FIGS. It enters the housing recess 27 of the case 26 and is positioned on the right side of the pressed portion 49 of the pole 45.
  • the lock device 20 When the back door 12 is in the open state as shown by the phantom line in FIG. 1, the lock device 20 is in the unlocked state shown in FIG. That is, the striker 15 is positioned outside the striker entry groove 29 of the support case 26 (not shown in FIG. 6), the hook 35 is positioned in the unlocked position by the biasing force of the torsion coil spring 64, and the pole 45 is twisted. Since the coil spring 65 is urged to rotate toward the engagement position, the unlocking engagement surface 47 engages with the half-lock protrusion 39 of the hook 35.
  • the lock release switch S In order to release such a locked state, the lock release switch S is pressed. Then, a current flows from the power source to the motor 97 and the motor 97 rotates in the normal direction, so that the worm 99 rotates in the normal direction by the power of the motor 97. Then, the rotational force is transmitted from the worm 99 to the worm wheel 104, and the worm wheel 104 located at the initial position rotates counterclockwise in FIG. 8 to the operation position shown in FIG. Therefore, the lock release lever 115 pressed by the cam surface 110 of the worm wheel 104 rotates clockwise from the lock allowable position in FIG. 8 and moves to the lock release position shown in FIG.
  • the pressing portion 117 of the lock release lever 115 presses the pressed portion 49 of the pole 45 to the left, so that the pole 45 rotates to the disengaged position against the biasing force of the torsion coil spring 65 as shown in FIG. To do.
  • the hook 35 rotates to the unlocked position side by the rotational biasing force of the torsion coil spring 64. Therefore, if the back door 12 is rotated to the fully open position side, the hook 35 rotates to the unlocked position and the striker 15 is locked. Escape from the groove 37 (and striker entry grooves 53, 71) (the lock is released).
  • a rod-like member such as a screwdriver is inserted into the gap between the bottom surface of the back door 12 and the back opening 11.
  • the rod-shaped member is passed through a hole (not shown) formed in the bottom surface of the back door 12.
  • the tip of the rod-shaped member presses the pressed protrusion 120 through a gap A (see FIG. 4) formed between the rear case 81 and the front cover 122, so that the lock release lever 115 is unlocked. Rotate until. Therefore, it is possible to unlock the lock device 20 even in such an emergency situation.
  • the upper cover 70 is not formed with protruding pieces that overlap the left and right mounting pieces 28 of the support case 26, and the locking piece 73 (fitting portion 74) is used for positioning.
  • the upper surface of the upper cover 70 (the portion excluding the inclined connection piece 72) is positioned substantially flush with the upper surface of the side wall 26 b (not positioned above the upper surface of the side wall 26 b). So the overall thickness is thin. Therefore, the thickness of the back door 12 can be reduced.
  • the upper cover 70 does not include a protruding piece that overlaps the attachment piece 28, the upper cover 70 can be reduced in weight and cost accordingly.
  • positioning means for the support case 26 and the upper cover 70 (excluding the side wall 26b of the support case 26 and the position restricting surface 77 of the upper cover 70, the convex portion of Patent Document 1, the positioning hole, the bolt insertion hole of the mounting piece, and
  • the positioning means (corresponding to the screw hole of the ear piece) is only the positioning recess 31 of the support case 26 and the locking piece 73 of the upper cover 70, and therefore when positioning the support case 26 and the upper cover 70, the positioning recess 31 It is only necessary to pay attention to the molding position accuracy of the locking piece 73. Therefore, the forming of the support case 26 and the upper cover 70 is relatively easy. In addition, when the support case 26 and the upper cover 70 are assembled, it is only necessary to fit the locking piece 73 into the positioning recess 31, so that the assembly operation of the support case 26 and the upper cover 70 can be easily performed. .
  • the locking device 20 is provided on the back door 12 and the striker 15 is provided on the vehicle body.
  • the locking device 20 may be provided on the vehicle body and the striker 15 may be provided on the back door 12.
  • this embodiment applies this invention to the back door 12 of a vehicle, of course, it is applicable also to the other doors (for example, side door) of a vehicle.
  • the vehicle locking device of the present invention can reduce the weight and cost while reducing the overall thickness, and it is easy to mold and assemble components.

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PCT/JP2011/075382 2010-11-09 2011-11-04 車両用ロック装置 WO2012063722A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201180053702.0A CN103201444B (zh) 2010-11-09 2011-11-04 车辆用锁定装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010250889A JP5729970B2 (ja) 2010-11-09 2010-11-09 車両用ロック装置
JP2010-250889 2010-11-09

Publications (1)

Publication Number Publication Date
WO2012063722A1 true WO2012063722A1 (ja) 2012-05-18

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Application Number Title Priority Date Filing Date
PCT/JP2011/075382 WO2012063722A1 (ja) 2010-11-09 2011-11-04 車両用ロック装置

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JP (1) JP5729970B2 (zh)
CN (1) CN103201444B (zh)
WO (1) WO2012063722A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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JP2020084528A (ja) * 2018-11-22 2020-06-04 アイシン精機株式会社 車両用ドアロック装置

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JP6148047B2 (ja) * 2013-03-22 2017-06-14 シロキ工業株式会社 車両用ロックユニット
JP6251011B2 (ja) * 2013-11-15 2017-12-20 株式会社ユーシン ドアラッチ装置
JP6424360B2 (ja) * 2014-01-24 2018-11-21 三井金属アクト株式会社 車両用ドアラッチ装置
JP6535919B2 (ja) * 2014-10-29 2019-07-03 三井金属アクト株式会社 車両用ドアラッチ装置および車両用ドアラッチ装置の組立方法
JP6476467B2 (ja) * 2014-12-25 2019-03-06 三井金属アクト株式会社 車両ドアラッチ装置のラッチアッシー
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JP2020084528A (ja) * 2018-11-22 2020-06-04 アイシン精機株式会社 車両用ドアロック装置
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