JP6649052B2 - Door lock device - Google Patents

Description

  The present invention relates to a door lock device.

  The door lock device of the vehicle switches between an unlocked state where the door can be opened with respect to the vehicle body and a locked state where the door cannot be opened. The switching operation is performed by a lock knob inside the door or a key cylinder outside the door. In the unlocked state, the door can be opened by operating the inner handle or the outer handle of the door. In the locked state, the door cannot be opened even if the inner handle or the outer handle of the door is operated.

  The door lock device includes a lock lever connected to a lock knob and an open lever connected to an inner handle. Patent Document 1 discloses a door lock device in which a lock knob and a lock lever are connected by a first cable, and an inner handle and an open lever are connected by a second cable. The housing of the door lock device is provided with an opening at a portion corresponding to a connecting portion of each lever, and a cable is routed through the opening. The opening is closed by a cover after the cable is routed. This ensures the waterproofness and anti-theft property of the door lock device.

JP-A-2002-129813

  However, the door lock device disclosed in Patent Document 1 has a configuration in which the opening is covered by the cover, so that the structure is complicated and the manufacturing cost is high. Further, when arranging the cable in the housing, the cable must be connected to the lever through a small opening, so that workability is poor.

  SUMMARY OF THE INVENTION It is an object of the present invention to provide a door lock device that can improve the waterproofness of a cable connecting portion with a simple configuration and can also improve the workability of arranging a cable.

The present invention provides a cable having a tubular tube, a wire disposed in the tube so as to be able to advance and retreat, a rotating lever having a connecting portion to which an end of the wire is connected, and the rotating lever having an internal portion. And a housing disposed rotatably at the bottom of the housing.On both sides of the bottom wall portion of the housing, a pair of protect portions are provided in a plate shape protruding downward, and are positioned between the pair of protect portions. to the bottom wall opening for exposing the connecting portion is provided we are in, located between the pair of protection portions lower end is opened, said to be located on the outer surface of the bottom wall portion cable There are laid, as viewing the housing from above, so as to be hidden by the housing, and the connecting portion of the rotary lever, and the said wires protruding from the end of the tube is located It is, to provide a door locking device.

In the door lock device of the present invention, the cable is routed on the outer surface side of the bottom wall of the housing, and the wire may be connected to the connecting portion of the rotating lever exposed from the opening, so that the operation of laying the cable is performed. Performance can be improved. Further, when the housing is viewed from above, the connecting portion of the rotating lever and the wire of the cable are hidden by the housing, so that even if water enters through a gap between the doors (for example, a gap between the outer panel of the door and the window glass), The water can be prevented from entering the housing through the opening. Therefore, there is no need to provide a cover for closing the opening in the housing. As a result, the number of parts of the door lock device can be reduced, so that the manufacturing cost of the door lock device can be reduced. In addition, the waterproofness of the connecting portion of the cable can be ensured with a simple configuration.

FIG. 2 is a perspective view of the door lock device according to the first embodiment. The top view of FIG. The front view of FIG. The rear view of FIG. The bottom view of FIG. The front view of the state where the cover of the housing was removed. FIG. 4 is a perspective view showing a cable fixing unit. The perspective view which expanded a part of FIG. FIG. 2 is an enlarged perspective view of another part of FIG. 1. The front view of the door lock device of 2nd Embodiment. The front view of the door lock device of a 3rd embodiment in the state where the cover was removed.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(1st Embodiment)
1 to 6 show a door lock device 20 according to the first embodiment. As shown schematically in FIG. 2A, the door lock device 20 is disposed inside the door 1 of the vehicle (between the outer panel 2 and the inner panel 3). The door 1 has a lock knob on the inner panel 3 and a key cylinder on the outer panel 2 as a lock operation member for switching the door lock device 20 between an unlocked state and a locked state. As the lock operation member, an electronic portable key owned by the user is further provided. In the door 1, an inner handle is disposed on an inner panel 3 on the inside of the vehicle and an outer handle is disposed on an outer panel 2 on the outside of the vehicle as a door handle for an opening operation.

(Configuration of door lock device)
The door lock device 20 includes a housing 21 in which a latch mechanism, a switching mechanism, and an opening mechanism are arranged. The latch mechanism maintains the door 1 closed with respect to the vehicle body by removably engaging a striker disposed on the vehicle body. The switching mechanism switches between an unlocked state where power of the opening mechanism can be transmitted to the latch mechanism and a locked state where power of the opening mechanism cannot be transmitted to the latch mechanism. The opening mechanism releases the engagement of the striker by the latch mechanism by transmitting the power from the operation of the door handle to the latch mechanism via the switching mechanism. When the door handle is operated in the unlocked state, the door lock device 20 opens the latch mechanism via the opening mechanism and the switching mechanism. Thereby, the door 1 is opened to the vehicle body. When the door handle is operated in the locked state, the door lock device 20 cannot open the latch mechanism via the opening mechanism and the switching mechanism. Therefore, the door 1 cannot be opened to the vehicle body.

  As shown in FIGS. 1 to 2D, the housing 21 includes a main case 22, a cover 35, and a sub case 40. The main case 22 has a first housing portion 23 and a second housing portion 24, and is formed in a substantially L-shape in plan view. The cover 35 closes the opening of the first housing 23 of the main case 22. The sub case 40 is arranged in the second storage section 24 of the main case 22.

  Referring to FIG. 2A, the housing 21 is disposed on the door 1 such that the cover 35 is located on the inner panel 3 side. The housing 21 is arranged such that the sub case 40 extends toward the outer panel 2 along the end surface 4 of the door 1. In the following description, the vehicle length direction of the door 1 is referred to as the X direction, the vehicle height direction of the door 1 is referred to as the Y direction, and the vehicle width direction of the door 1 is referred to as the Z direction. The direction of the arrow on the X axis may be referred to as + X direction, and the opposite direction may be referred to as -X direction. The + X direction is a direction toward the hinge-side end of the door 1 (a direction opposite to the end surface 4). The direction of the arrow on the Y axis may be referred to as a + Y direction, and the opposite direction may be referred to as a -Y direction. Note that the + Y direction is a direction heading upward in the height direction of the door 1. Further, the direction of the Z-axis arrow may be referred to as + Z direction, and the opposite direction may be referred to as -Z direction. The + Z direction is a direction toward the outside in the width direction of the door 1 (toward the outer panel 2).

  In the housing 21, a group of components constituting a switching mechanism and a group of components constituting an opening mechanism are arranged in a main case 22, and a group of components constituting a latch mechanism are arranged in a sub case 40. Specifically, as shown in FIG. 3, a lock lever 42, a key rotor 50, a key lever 51, a motor 52, a worm wheel 53, a joint 54, and a link 55 that constitute a switching mechanism are provided in the first housing portion 23 of the main case 22. Are located. Further, an inner lever 57 that constitutes an opening mechanism is disposed in the first storage section 23. Referring to FIGS. 1 and 2A, an outer lever 65 is disposed outside the first housing portion 23 so as to protrude in the + Z direction.

  When the lock knob of the door 1 is operated, the link 55 of the switching mechanism rotates to the unlock position or the lock position via the joint 54 by rotating the lock lever 42. When the key cylinder of the door 1 is operated, the link 55 rotates to the unlock position or the lock position via the key lever 51 and the joint 54 by rotating the key rotor 50. When the user operates a portable key owned by the user, the link 55 is rotated to the worm wheel 53 via the worm 52a by the drive of the motor 52, so that the link 55 is moved to the unlock position or the locked position via the joint 54. Rotate. Thereby, the door lock device 20 is switched to an unlocked state in which the latch mechanism can be operated by the link 55 or a locked state in which the latch mechanism cannot be operated by the link 55.

  When the inner handle of the door 1 is operated, the link 55 is pushed by the inner lever 57 and moves in the + Y direction by rotating the inner lever 57 of the opening mechanism. Further, when the outer handle of the door 1 is operated, the link 55 is pushed by the outer lever 65 and moves in the + Y direction by rotating the outer lever 65. In the unlocked state, the link 55 comes into contact with a receiving portion (not shown) of the latch mechanism, and power is transmitted from the link 55 to the latch mechanism, whereby the engagement between the latch mechanism and the striker is released. In the locked state, the link 55 cannot come into contact with the receiving portion of the latch mechanism, and power cannot be transmitted from the link 55 to the latch mechanism. Therefore, the engagement between the latch mechanism and the striker cannot be released.

(Details of cable connection)
The lock lever 42 of the switching mechanism is a first rotary lever connected to the lock knob of the door 1 by the first cable 10A. The inner lever 57 of the opening mechanism is a second rotating lever connected to the inner handle of the door 1 by the second cable 10B. Referring to FIG. 3 together with FIG. 1 and FIG. 2D, the cables 10A and 10B and the levers 42 and 57 are connected at the bottom side of the housing 21 located at the end in the −Y direction. As a result, these connecting portions are set so as to be hidden by the housing 21 in a plan view when attached to the door 1 (see FIG. 2A).

  The cables 10 </ b> A and 10 </ b> B include a flexible tubular tube 11 and a metal wire 14 that is disposed in the tube 11 so as to be able to advance and retreat. At the end of the tube 11, a cylindrical fixing member 12 is disposed. At the end of the mounting member 12, a fitting groove 13 that is annularly depressed is provided. At an end of the wire 14, a columnar connecting member 15 that is rotatably connected to each of the levers 42 and 57 is attached.

  The main case 22 is provided with a bottom wall 25 which is a bottom of the housing 21. The bottom wall 25 is provided with an opening 26 for exposing the first connecting portion 45 of the lock lever 42 and the second connecting portion 60 of the inner lever 57. The lock lever 42 and the inner lever 57 of the present embodiment are disposed adjacent to each other in the X direction below the first housing portion 23 of the main case 22. For this reason, the opening 26 is provided so as to open from the + X side to the −X side end of the bottom wall 25.

  As shown in FIGS. 1 and 4, the bottom wall 25 is provided with a cable fixing portion 27 for fixing the cables 10 </ b> A and 10 </ b> B routed on the outer surface side. The opening 26 is open from the cable fixing portion 27 to the second connecting portion 60 of the inner lever 57 located at the end in the −X direction. The cable fixing portion 27 includes a mounting plate 28 protruding downward from the outer surface side of the bottom wall portion 25. The mounting plate 28 is provided with a pair of cut grooves 29, 29 fitted in the fitting grooves 13 of the mounting member 12. The cut groove 29 is formed such that an opening for insertion is located below and opposite to the bottom wall 25 so that the cables 10A and 10B can be inserted from the radial direction of the tube 11.

  The notch groove 29 is provided with a pair of locking portions 30 protruding inward from the inner wall so as to be located on the insertion opening side. The gap between the locking portions 30 is smaller than the outer diameter of the fitting groove 13 of the mounting member 12. Thus, when the mounting member 12 is inserted and arranged in the cut groove 29, the locking portion 30 is locked to the bottom surface of the fitting groove 13, thereby preventing the mounting member 12 from being detached. Further, the cable fixing portion 27 includes a partition plate 31 protruding from the mounting plate 28 in the + X direction. The partition plates 31 protrude from the bottom wall portion 25 and are provided at three places at intervals in the Z direction. The mounting members 12 are respectively arranged between the adjacent partition plates 31, 31.

  The cover 35 of the present embodiment is provided with a holding portion 36 that holds the cables 10A and 10B so as to be located outside the cable fixing portion 27 in the + X direction. The holding portion 36 is provided with a pair of U-shaped press-fit grooves 37 into which the tube 11 can be press-fitted.

  As shown in FIGS. 1 and 3, the lock lever 42 includes a first shaft 43 that is rotatably supported by the first housing 23. The lock lever 42 includes an engaging portion 44 that projects from the first shaft portion 43 in the −X direction and is engaged with the joint 54. Further, the lock lever 42 includes a first connecting portion 45 that rotatably connects the end of the wire 14 of the first cable 10A so as to protrude from the first shaft portion 43 in the −Y direction. The first connecting portion 45 is set so as to protrude outward in the −Y direction from the opening 26 of the housing 21. Referring to FIG. 2D, the first connection part 45 is located on the axis of the first cable 10A. Referring to FIG. 5, the first connecting portion 45 is provided with a circular first holding hole 46 for rotatably holding the connecting member 15 of the wire 14. The first connecting portion 45 is provided with a first insertion groove 47 through which the wire 14 rotated around the connecting member 15 can be inserted. The first notch 48 of the first insertion groove 47 is set at an angular position on the −X side exceeding 90 degrees with respect to the + X direction in which the wire 14 extends.

  The inner lever 57 includes a second shaft portion 58 rotatably supported by the sub case 40 arranged in the second housing portion 24 of the main case 22. Referring to FIG. 2D, the inner lever 57 is disposed at a distance from the lock lever 42 in the Z direction. The inner lever 57 has a substantially V-shape that projects downward (in the −Y direction) from the second shaft portion 58 and then projects obliquely upward (in the + X + Y direction). Are located in The inner lever 57 has a pressing portion 59 for pressing the link 55 of the switching mechanism. The inner lever 57 includes a second connecting portion 60 that rotatably connects the end of the wire 14 of the second cable 10B so as to be located below the second shaft portion 58. The second connecting portion 60 is set so as to protrude outward in the −Y direction from the opening 26 of the housing 21. Referring to FIG. 2D, the second connection part 60 is located on the axis of the second cable 10B. Referring to FIG. 6, similarly to the first connecting portion 45, the second connecting portion 60 has a second holding hole 61 and a second insertion groove 62 having a second notch 63.

  Referring to FIGS. 2B and 2C in conjunction with FIG. 1, the housing 21 includes protection portions 32 and 38 that protrude downward (−Y direction) from the side of the bottom wall portion 25 and are located on the sides of the wire 14. Is provided.

  The first protection section 32 is provided integrally with the −Y side edge of the main case 22. The first protection portion 32 has a substantially triangular shape, and extends from the + Z direction end of the mounting plate 28 to the −Y side top of the pressing portion 59 of the inner lever 57 and the second connecting portion 60. As shown most clearly in FIG. 2C, when the door lock device 20 is viewed from the outer panel 2 side, the first protector 32 includes the connecting portions 45 and 60 of the levers 42 and 57 protruding from the bottom wall 25 and the cable. It is configured to hide all the wires 14 and 14 of 10A and 10B. A reinforcing plate 33 protruding in the −Z direction, which is the cover 35 side, is provided on the −Y side edge of the first protection portion 32.

  The second protect portion 38 is provided integrally with the −Y side edge of the cover 35. The second protect portion 38 has a substantially rectangular shape, and extends from a portion overlapping the −Z-side partition plate 31 to the second shaft portion 58 of the inner lever 57. As shown most clearly in FIG. 2B, when the door lock device 20 is viewed from the inner panel 3 side, the second protector 38 hides all of the first connecting portion 45 of the lock lever 42 and the wires 14 of the first cable 10A. It is set as follows. Further, the second connecting portion 60 of the inner lever 57 and a part of the wire 14 of the second cable 10B are exposed from the second protect portion 38.

  Here, the wire 14 of the first cable 10 </ b> A connected to the lock lever 42 is a very important element that can lock and unlock the door lock device 20. On the other hand, the wire 14 of the second cable 10B connected to the inner lever 57 is an element that has nothing to do with locking and unlocking of the door lock device 20. In other words, of the pair of levers 42 and 57 connected by the cables 10A and 10B, the connection portion of the lock lever 42 related to the locking and unlocking of the door lock device 20 is configured to be securely hidden by the protection portions 32 and 38. ing.

  As shown in FIG. 2A, in a plan view of the door lock device 20 configured as described above, the connecting portions 45 and 60 of the levers 42 and 57 protruding from the bottom wall 25 and the wires 14 and 14 of the cables 10A and 10B are formed. , Are all hidden by the housing 21. Therefore, even if water enters through the gap between the outer panel 2 of the door 1 and the window glass, it is possible to prevent the water from entering the inside of the housing 21 through the opening 26. On the other hand, as shown in FIG. 2D, in the bottom view of the door lock device 20, the connecting portions 45, 60 of the levers 42, 57 and the wires 14, 14 of the cables 10 A, 10 B are located between the pair of protect portions 32, 38. It is exposed. Therefore, the workability of routing the cables 10A and 10B to the door lock device 20 can be improved.

  Next, an example of an operation of routing the cables 10A and 10B to the door lock device 20 will be described.

  First, the connecting member 15 of the first cable 10A is inserted into the first holding hole 46 of the lock lever 42 from the axial direction. At this time, the wire 14 of the first cable 10A is arranged in the first cutout 48. Next, by rotating the wire 14 in the + X direction toward the cable fixing portion 27, the wire 14 is inserted into the first insertion groove 47. The work of arranging the wire 14 can be performed extremely easily since the space between the pair of protect portions 32 and 38 is largely open in the X direction. Thereafter, the mounting member 12 of the first cable 10 </ b> A is arranged in the cable fixing portion 27, and the fitting groove 13 is pressed into the cut groove 29, thereby fixing the mounting member 12 to the cable fixing portion 27. Finally, the tube 11 of the first cable 10 </ b> A is further press-fitted into the press-fitting groove 37 of the holding portion 36, thereby further fixing the tube 11. The procedure for connecting the second cable 10B to the inner lever 57 and arranging it on the bottom wall 25 of the housing 21 is the same.

  As described above, according to the door lock device 20 of the present embodiment, the cables 10 </ b> A and 10 </ b> B are routed on the outer surface side of the bottom wall 25 of the housing 21, and the lever 42 that is exposed (projects) from the opening 26. , 57 may be connected to the wire 14, so that the workability of arranging the cables 10A, 10B can be improved. Further, since the cable fixing portion 27 for fixing the tube 11 is provided on the outer surface side of the bottom wall portion 25, the fixing work between the cables 10A and 10B and the housing 21 can be easily performed.

  In addition, since the opening for insertion of the cut groove 29 of the cable fixing portion 27 is located below, the tube 11 can be mounted on the cable fixing portion 27 from the lower side opposite to the bottom wall 25 of the housing 21. . In addition, since the levers 42 and 57 for connecting the cables are gathered between the widely opened protect portions 32 and 38 of the housing 21, the workability of routing the cables 10A and 10B to the housing 21 can be reliably improved.

  Further, since the connecting portions 45 and 60 and the wires 14 of the cables 10 </ b> A and 10 </ b> B are hidden by the housing 21 in a plan view of the door lock device 20, even if water enters the door 1, the water is removed from the opening 26. From inside the housing 21 can be prevented. Therefore, it is not necessary to provide a cover for closing the opening 26 in the housing 21. As a result, the number of parts of the door lock device 20 can be reduced, so that the manufacturing cost of the door lock device 20 can be reduced. Moreover, the waterproofness of the connection part of the cables 10A and 10B can be secured with a simple configuration.

  Further, since the cable fixing portion 27 includes the mounting plate 28 protruding from the bottom wall portion 25, the water transmitted through the tube 11 is blocked by the mounting plate 28, and the blocked water can be dropped downward. it can. Therefore, it is possible to reliably prevent water from entering the inside of the housing 21, and it is possible to prevent the door lock device 20 from malfunctioning due to freezing in a cold season.

  Since the housing 21 is provided with the protection portions 32 and 38 located on the side of the wire 14, the upper portion of the wire 14 is hidden by the housing 21 and the side of the wire 14 is hidden by the protection portions 32 and 38. Therefore, even if the wire 14 is illegally operated by any member from the gap between the outer panel 2 of the door 1 and the window glass, access to the wire 14 can be prevented. Therefore, unlocking due to unauthorized operation of the door lock device 20 can be reliably prevented.

(2nd Embodiment)
FIG. 7 shows a door lock device 20 according to the second embodiment. In the second embodiment, when the door lock device 20 is viewed from the Z direction, the housings 21 are provided with the protection portions 32 and 38 so that the tubes 11 of the cables 10A and 10B are exposed to the ends and the wires 14 are hidden. This is different from the first embodiment. Even in this case, unlocking due to unauthorized operation of the door lock device 20 can be reliably prevented. Further, since the cable fixing portion 27 is exposed, the workability of arranging the cables 10A and 10B can be further improved.

(Third embodiment)
FIG. 8 shows a door lock device 20 according to the third embodiment. The third embodiment is different from the first embodiment in that a step is provided in the bottom wall portion 25 and a pair of cable fixing portions 27 are provided at intervals in the vertical direction. The cable fixing portions 27 may be provided at intervals in the Z direction, or may be provided at the same position in the Z direction and at intervals in the Y direction. In the third embodiment, the same operation and effect as those of the first embodiment can be obtained.

  Note that the door lock device 20 of the present invention is not limited to the configuration of the above-described embodiment, and various changes can be made.

  For example, in the above-described embodiment, one opening 26 is provided in the bottom wall 25 in order to project the connecting portions 45, 60 of the pair of levers 42, 57 outward from the bottom wall 25. Openings corresponding to the levers 42 and 57 may be individually provided. The connecting portions 45 and 60 of the levers 42 and 57 may be arranged at positions exposed from the opening 26 inside the housing 21 without projecting outward from the bottom wall 25. Further, the cut groove 29 of the cable fixing portion 27 is not limited to the configuration in which the lower portion is opened, and may be opened in the side.

DESCRIPTION OF SYMBOLS 1 Door 2 Outer panel 3 Inner panel 4 End surface 10A 1st cable 10B 2nd cable 11 Tube 12 Mounting member 13 Fitting groove 14 Wire 15 Connection member 20 Door lock device 21 Housing 22 Main case 23 First storage part 24 Second storage Part 25 Bottom wall part 26 Opening part 27 Cable fixing part 28 Mounting plate 29 Cut groove 30 Locking part 31 Partition plate 32 First protect part 33 Reinforcement plate 35 Cover 36 Holding part 37 Press-fit groove 38 Second protect part 40 Subcase 42 Lock lever (1st rotation lever)
43 first shaft portion 44 engaging portion 45 first connecting portion 46 first holding hole 47 first insertion groove 48 first cutout portion 50 key rotor 51 key lever 52 motor 52a worm 53 worm wheel 54 joint 55 link 57 inner lever (second lever) Rotating lever)
58 second shaft portion 59 pressing portion 60 second connecting portion 61 second holding hole 62 second insertion groove 63 second notch portion 65 outer lever

Claims (6)

A cable having a tubular tube and a wire arranged to be able to advance and retreat within the tube;
A rotating lever having a connecting portion to which an end of the wire is connected,
A housing in which the rotation lever is rotatably arranged inside,
On both sides of the bottom wall portion of the housing, a pair of protect portions are provided in a plate shape protruding downward,
Said to be located between the pair of protection portions, openings for exposing the connecting portion is provided we are in the bottom wall portion,
The cable is routed such that a lower end is located between the pair of protected portions that are open, and is located on an outer surface side of the bottom wall portion,
A door lock device, wherein the connecting portion of the rotating lever and the wire projecting from an end of the tube are arranged so as to be hidden by the housing when the housing is viewed from above . The rotation lever is disposed in the housing such that the connection portion protrudes outward from the opening,
The door lock device according to claim 1, wherein a cable fixing portion for fixing an end of the tube is provided on an outer surface of the bottom wall of the housing.   3. The door lock device according to claim 2, wherein the opening is open from at least the cable fixing portion to the connecting portion of the rotating lever. 4. The cable fixing portion includes a mounting plate protruding downward from the bottom wall portion of the housing, and a notch provided in the mounting plate so that the cable can be inserted from a radial direction of the tube. 4. The door lock device according to claim 2, further comprising: a groove; and a locking portion provided to protrude inward from an inner wall of the cut groove. 5. The door lock device according to claim 4, wherein the cut groove has an insertion opening portion of the cut groove located below. The cable has a first cable routed on the bottom wall, and a second cable routed adjacent to the first cable,
The said rotation lever has a 1st rotation lever connected to the lock operation member via the said 1st cable, and a 2nd rotation lever connected to the door handle via the said 2nd cable, The claim | item. The door lock device according to any one of claims 1 to 5 .

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