JP6242017B2 - Vehicle luggage compartment door structure - Google Patents

Description

  The present invention relates to a door structure of a luggage compartment of a vehicle.

  In Patent Document 1, a door is hinged to a left and right pillar of a door frame via a hinge, a lock rod is rotatably attached to the outer surface of the door, and a cam is attached to the upper and lower ends of the lock rod. The cam holder is provided with one end of the handle pivotally attached to the lock rod so that it can be turned up and down, and after closing the door, the lock rod is turned by operating the handle and the upper and lower end cams are fixed to the top and bottom of the door frame. There is described a container door locking structure in which a handle is locked by a handle latch portion in order to lock the handle by releasably engaging with the handle and to hold this state.

  In this door locking structure, the handle latch part can be opened from the inside of the container to enable the door to be opened from the inside of the container when the door is locked from the outside without noticing that a person is inside the container by mistake. The butterfly is detachably attached with a butterfly bolt.

Japanese Utility Model Publication No.59-14611

  In the structure of Patent Document 1, it is necessary to fasten the butterfly bolt to such an extent that it can be manually released. Therefore, the butterfly bolt loosens due to vibration during traveling and the like, and the handle latch portion (door lock device) for the door There is a possibility that the fixed state becomes unstable.

  In view of the above situation, the present invention makes it possible to easily remove the door lock device from the cargo compartment by hand without requiring a tool, and to ensure that the fastening state of the door lock device is loosened due to vibration during traveling. It is an object of the present invention to provide a luggage compartment door structure that can be prevented.

  In order to achieve the above object, according to a first aspect of the present invention, there is provided a door lock device that is operated from the outside of a luggage compartment and is held at a closed position on the outer surface of the door that opens and closes the entrance and exit of the cargo compartment of the vehicle. It is a door structure of a cargo room provided, and includes a bolt insertion hole, a female screw part, a fastening member, and a rotation restricting part.

  The bolt insertion hole penetrates the inner surface side and the outer surface side of the door. The female thread portion is disposed on the outer surface side of the bolt insertion hole, and is provided in the door lock device in a state where relative rotation with the door lock device is restricted. The fastening member has a fastening head, a bolt shaft, and a cam lever. The fastening head is disposed on the inner surface side of the door. The bolt shaft extends linearly integrally from the fastening head, passes through the bolt insertion hole, and is screwed into the female screw portion. The cam lever is supported by the fastening head. The rotation restricting portion is fixed to the inner surface side of the door.

  The cam lever integrally includes a lever base and an operation unit. The lever base is connected to the fastening head so as to be rotatable about a rotation axis that intersects the axial direction of the bolt shaft and rotates integrally with the bolt shaft. The operating portion extends from the lever base, and the cam lever can tilt about the rotation axis between a standing position where the operating portion extends in the opposite direction of the bolt shaft from the lever base and a predetermined lying position where the operating portion falls from the standing position. It is. The lever base has a cam surface. As for the distance along the axial direction between the cam surface and the tip of the bolt shaft, the lying position is shorter than the standing position.

  The rotation restricting portion allows the cam lever to be tilted between the standing position and the lying position in a fastening state in which the bolt shaft inserted through the bolt insertion hole and screwed into the female screw portion is rotated to the predetermined fastening position in the fastening direction. The bolt shaft is disposed at a position that permits and restricts rotation of the bolt shaft from the fastening position to the tightening release direction by contact with the cam lever at the lying position.

  The door lock device is fixed to the door by being tightened between the cam surface and the female screw portion by tilting the cam lever in a fastening state from the standing position to the lying position.

  In the above configuration, when the door lock device is attached to the door, the bolt shaft of the fastening member is inserted into the bolt insertion hole from the inner surface side, the tip of the bolt shaft is screwed into the female screw portion, and the cam lever is set to the standing position. Rotate the bolt shaft in the tightening direction to the tightening position to enable the tightening, and tilt the cam lever from the standing position to the lying position. By tilting the cam lever to the lying down position, the door lock device is fastened between the cam surface and the female screw portion and fixed to the door. Therefore, the door lock device can be firmly fixed to the outer surface of the door.

  In the state where the door lock device is attached, the rotation of the bolt shaft from the fastening position to the tightening release direction is restricted by the rotation restricting portion coming into contact with the cam lever at the lying down position. Therefore, the fastening state of the door lock device can be reliably prevented from being loosened due to vibration during traveling.

  If the door is accidentally locked from the outside without noticing that an operator or the like is in the cargo compartment, the worker or the like trapped in the cargo compartment may raise the cam lever from the lying position to the standing position. Raising the cam lever to the upright position increases the distance along the axial direction between the cam surface and the female thread, reduces the tightening force of the fastening member, and relatively easily rotates the bolt shaft in the tightening release direction. can do. By rotating the bolt shaft in the tightening release direction, the bolt shaft is detached from the female thread portion, so that the door can be opened by removing the door lock device from the cargo compartment without requiring a tool.

  A second aspect of the present invention is the door structure according to the first aspect, and a concave portion is provided on the inner surface side of the door so as to be recessed toward the outer surface side to partition the lever accommodating space. The lever accommodating space accommodates the cam lever that has been brought down to the lying down position in a state where it can be fastened. The rotation restricting portion is an inner side surface of the recess that partitions the lever accommodating space.

  In the above configuration, the inner surface of the recess that defines the lever housing space that houses the cam lever is used as the rotation restricting portion, so that it is not necessary to provide a rotation restricting portion separately.

  According to the present invention, the door lock device can be easily removed manually from the cargo compartment without the need for a tool, and the fastening state of the door lock device is reliably prevented from being loosened due to vibration or the like during travel. Can do.

It is the external view which looked at the door to which the door locking device of one Embodiment of this invention was attached from the outer side. It is a front view of the door locking device of FIG. FIG. 3 is an exploded view of the door lock device of FIG. 2. It is the principal part inner surface figure which looked at the door of FIG. 1 from the inner side. It is a VV arrow sectional view of Drawing 4. FIG. 6 is an exploded view of FIG. 5.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the following description, the front-rear direction and the left-right direction mean the front-rear direction of the vehicle 1 with the rear doors 7L and 7R closed and the left-right direction with the front facing the vehicle unless otherwise specified.

  As shown in FIG. 1, the vehicle 1 of the present embodiment is a van-type truck equipped with a cargo box 3 at the rear of the vehicle. The cargo box 3 is a hexahedron composed of a front wall (not shown), left and right side walls 4, a roof 5, a floor 6, and left and right rear doors 7L and 7R, and a cargo compartment 2 is defined in the interior. A rectangular frame-shaped rear section opening 10 is erected at the rear end of the packing box 3, and the rear end edges of the left and right side walls 4, the roof 5, and the floor 6 are coupled to the rear section opening 10. The rear section port 10 defines an entrance / exit 8 through which an operator or the like can enter / exit.

  The outer edge portions of the left and right rear doors 7L, 7R in the vehicle width direction (the left edge portion of the left rear door 7L and the right edge portion of the right rear door 7R) are vertically moved to the left and right corner pillars 10a of the rear department port 10. It is attached via the hinge 11 at each location. The left and right rear doors 7L and 7R close the entrance / exit 8 to seal the cargo compartment 2 and open and move left and right in a double-opening manner to open the cargo compartment 2 (entrance / exit 8). Of the left and right rear doors 7L and 7R, one (left in this embodiment) rear door 7L is first opened (rearly closed), and the other (right in this embodiment) rear door 7R is rearwardly opened (first closed). .

  Left and right lock rods 12L and 12R extending vertically are attached to the outer surfaces of the left and right rear doors 7L and 7R by a plurality of rod brackets 13, respectively, and a handle 17 is provided at an intermediate portion between the lock rods 12L and 12R. One end of each is rotatably connected by a pin 14. The left and right pins 14 are substantially orthogonal to the axial directions of the lock rods 12L and 12R, and the left and right handles 17 are tilted about the pins 14 in a plane substantially parallel to the respective axes of the lock rods 12L and 12R.

  The upper and lower ends of the lock rods 12L and 12R protrude upward and downward from the upper and lower edges of the rear doors 7L and 7R, respectively, and a lock cam 15 is provided at these upper and lower ends. Cam keepers 16 that can be engaged with the upper and lower lock cams 15 of the respective lock rods 12L and 12R are attached to the upper frame body 10b and the lower frame body 10c of the rear section port 10. The lock cam 15 is engaged with and disengaged from the cam keeper 16 when the lock rods 12L and 12R rotate with the rear doors 7L and 7R closed. At the rotational position of the lock rods 12L, 12R where the handle 17 extends along the rear doors 7L, 7R, the lock cam 15 engages with the cam keeper 16, and the rear doors 7L, 7R are locked and held in the closed position. When the lock rods 12L, 12R are rotated by pulling the other end of the handle 17 rearward from the locked state, the engagement between the lock cam 15 and the cam keeper 16 is released, and the rear doors 7L, 7R can be moved open. . Therefore, by restricting the rotation of the lock rods 12L and 12R (tilting the handle 17 rearward) while the lock cam 15 and the cam keeper 16 are engaged, the locked state of the rear doors 7L and 7R is maintained.

  Door lock devices 20L and 20R for restricting rearward movement of the locked handle 17 (rotation of the lock rods 12L and 12R in the unlocking direction) are attached to the outer surfaces of the rear doors 7L and 7R. The door lock devices 20L and 20R are operated from the outside of the luggage compartment 2 to hold the rear doors 7L and 7R in the closed position. Of the left and right rear doors 7L, 7R, the door locking device 20L of the left rear door 7L that opens first is a fastening member 21 (FIGS. 4 and 5) that can be manually released from the inside without using a tool. The door lock device 20R of the right rear door 7R that is fastened and fixed to the rear door 7L by reference) is fastened to the rear door 7R by a general bolt (not shown) that requires a tool when releasing the fastening. Is done. The right door lock device 20R may also be fastened to the rear door 7R by the fastening member 21 in the same manner as the left.

  The door locking devices 20L and 20R are constituted by a bracket handle 22 and a latch handle 23. By operating the handle 17 and the bracket handle 22 from the outside of the luggage compartment 2, the rear doors 7L and 7R can be held in the closed position. Since the left and right door lock devices 20L and 20R have the same configuration, the left rear door 7L and the door lock device 20L will be mainly described below, and the right rear door 7R and the door lock device 20R will be described as appropriate. Omitted.

  As shown in FIGS. 2, 3, 5, and 6, the bracket handle 22 includes a flat bracket base 24 that is in surface contact with the outer surface of the rear door 7 </ b> L, and a cross-sectional hat that protrudes rearward at the lower portion of the bracket base 24. The upper and lower latch nuts 26 and 27 having a non-circular outer periphery are combined with bolt bolts 44 of the upper and lower fastening members 21 to be described later. Fastened to the outer surface of the door 7L.

  A nut insertion hole 28 into which the tip of the upper latch nut 26 is inserted is formed in the upper part of the bracket base 24. The nut insertion hole 28 has a non-circular shape that matches the outer periphery of the distal end portion of the latch nut 26, and the latch nut 26 inserted into the nut insertion hole 28 is in a state of being prevented from rotating with respect to the bracket handle 22.

  The top surface portion 25 a of the hat-shaped cross section of the handle support portion 25 is continuous with the bracket base portion 24, and a lower latch is provided in a nut receiving recess (recess of the hat-shaped cross section) 29 in the center of the handle support portion 25. A nut 27 is accommodated. The outer periphery of the latch nut 27 has a non-circular shape matching the nut receiving recess 29, and the latch nut 27 received in the nut receiving recess 29 is prevented from rotating with respect to the bracket handle 22 in the same manner as the upper latch nut 26. It becomes a state.

  An upper portion of the handle support portion 25 forms a handle insertion space 30 opening upward with the bracket base portion 24, and in the locked state, an intermediate portion of the handle 17 is inserted into the handle insertion space 30 from above to handle the handle. It mounts on the support part 25 (refer FIG. 5).

  The latch handle 23 is a plate material bent in a substantially Z shape, and a nut insertion hole 31 through which the upper latch nut 26 is inserted is formed in the upper portion of the latch handle 23. The latch nut 26 has an outer peripheral shape that becomes thinner stepwise from the base end side (rear end side) to the front end side (front end side), and the nut insertion hole 31 does not separate from the base end side of the latch nut 26. The intermediate portion of the latch nut 26 is inserted through the nut insertion hole 31. The nut insertion hole 31 has a two-stage shape in which a substantially rectangular narrow upper portion and a circular wide lower portion are continuous, and in a state where the latch handle 23 hangs vertically by its own weight, the nut insertion hole 31 A latch nut 26 is inserted through the upper portion, and the rotation of the latch handle 23 relative to the latch nut 26 (bracket handle 22) is restricted. When the latch handle 23 is moved upward from such a state, the latch nut 26 is inserted through the lower portion of the nut insertion hole 31, and the latch handle 23 is allowed to rotate with respect to the latch nut 26.

  Further, when the latch handle 23 is suspended by its own weight, the intermediate portion of the latch handle 23 covers the handle insertion space 30 from above and prevents the handle 17 inserted into the handle insertion space 30 from being detached. From this state, the latch handle 23 is moved upward until the latch nut 26 reaches the lower portion of the nut insertion hole 31, and the latch handle 23 is rotated about the latch nut 26, whereby the upper portion of the handle insertion space 30 is opened. The handle 17 is detached from the handle insertion space 30 by rotating the handle 17 upward about the pin 14.

  The rear doors 7 </ b> L and 7 </ b> R are roughly configured by an exterior plate 32 exposed to the outside, an interior plate 33 exposed in the luggage compartment 2, and an intermediate plate 34 sandwiched between the exterior plate 32 and the interior plate 33. On the inner surface side of the region (lock device arrangement portion) where the door lock devices 20L and 20R are arranged in the rear doors 7L and 7R, a concave portion 35 that is recessed on the outer surface side is provided. The recess 35 is formed by cutting the interior plate 33 and the intermediate plate 34 into a rectangular shape, and mounting a case 36 that is recessed in accordance with the cut portion. Between the bottom plate of the case 36 and the exterior plate 32, a rectangular plate-like spacer 37 that fills the gap between the case 36 and the exterior plate 32 is disposed. The recess 35 (case 36) defines the lever housing space 40.

  Upper and lower bolt insertion holes 38 and 39 that penetrate the bottom plate of the case 36, the spacer 37, and the exterior plate 32 are formed in the lock device arrangement portions of the rear doors 7 </ b> L and 7 </ b> R. The upper bolt insertion hole 38 communicates with the female screw portion 26 a of the latch nut 26, and the lower bolt insertion hole 39 has a bolt insertion hole 41 formed in the top surface portion 25 a of the handle support portion 25 of the bracket handle 22. Via the female screw portion 27a of the latch nut 27. Thus, the female thread portions 26a, 27a of the latch nuts 26, 27 are arranged on the outer surface side of the bolt insertion holes 38, 39, and are supported by the bracket handle 22 in a state where relative rotation with the bracket handle 22 is restricted. The

  As described above, the left door lock device 20L is fastened and fixed to the rear door 7L by the two upper and lower fastening members 21, and the right door lock device 20R is fastened to the rear door 7R by the two upper and lower general bolts. Is done.

  As shown in FIGS. 4 to 6, the fastening member 21 includes a fastening head 43, a bolt shaft 44, a cam lever 45, and an adjustment member 46.

  The bolt shaft 44 extends integrally from the fastening head 43 in a straight line. On the outer peripheral surface of the bolt shaft 44, a male screw portion 44a is formed which is inserted into the bolt insertion holes 38, 39, 41 and screwed with the female screw portions 26a, 27a of the latch nuts 26, 27.

  The cam lever 45 integrally includes a lever base 47 and an operation unit 48. The lever base 47 is coupled to the fastening head 43 so as to be rotatable about a rotation shaft 49 that intersects the axial direction of the bolt shaft 44 and rotates integrally with the bolt shaft 44. The operation part 48 extends linearly from the lever base 47 integrally. The cam lever 45 has an upright position (indicated by a two-dot chain line 60 in FIG. 5) in which the operation portion 48 extends from the lever base portion 47 in the opposite direction (forward) of the bolt shaft 44, and a predetermined fall position (see FIG. 5). (Indicated by a two-dot chain line 61) around the rotation axis 49. A curved cam surface 52 is formed on the rear surface side of the lever base 47. The curved shape of the cam surface 52 is set so that the distance along the axial direction between the cam surface 52 and the tip of the bolt shaft 44 is shorter in the lying position than in the standing position.

  The adjustment member 46 includes an inner cylinder body 50 and an outer cylinder body 51, and is disposed between the bolt shaft 44 and the cam surface 52. The inner cylinder 50 is supported by the fastening head 43 so as to be slidable along the axial direction of the bolt shaft 44. A male screw portion (not shown) is formed on the outer peripheral surface of the inner cylindrical body 50, and a female screw portion (not shown) is formed on the inner peripheral surface of the outer cylindrical body 51. The outer cylinder 51 is attached to the inner cylinder 50 by screwing the female thread portion of the cylinder 51. By rotating the outer cylinder 51 with respect to the inner cylinder 50, the entire length of the adjustment member 46 (the length along the axial direction of the bolt shaft 44) expands and contracts. The fastening force of the fastening member 21 is adjusted by expanding and contracting the entire length of the adjustment member 46.

  The bolt shaft 44 is inserted into the bolt insertion holes 38, 39, 41 from the inner surface side (loading chamber 2 side) of the rear door 7L and screwed into the latch nuts 26, 27 (female screw portions 26a, 27a). Is adjusted in the tightening direction (clockwise) to a predetermined fastening position (in this embodiment, the position where the operating portion 48 extends substantially vertically downward), the entire length of the adjustment member 46 is adjusted, and the cam lever 45 is raised. The adjustment member 46 is pressed against the bottom plate of the case 36 by the cam surface 52, and the bracket handle 22 is tightened between the cam surface 52 and the latch nuts 26 and 27 and fixed to the rear door 7L. The

  The recess 35 (case 36) of the rear door 7L is set to a shape and size that allow the cam lever 45 to tilt between the standing position and the lying position in the above-described fastening state, and the lever housing space 40 can be fastened. The cam lever 45 that has been brought down to the lying position in the state is accommodated. Further, the inner side surface (recess inner side surface) 36a of the case 36 that defines the right side of the lever housing space 40 is in a tightening release direction (counterclockwise) from the fastening position in a state where the cam handle 45 is brought down to the lying down position and the bracket handle 22 is fixed. When the bolt shaft 44 is about to rotate around, the cam lever 45 (operating portion 48) in the lying down position comes into contact with the bolt shaft 44 so that the rotation of the bolt shaft 44 is restricted. That is, the concave inner side surface 36a functions as a rotation restricting portion.

  According to the present embodiment, when the door lock device 20L (bracket handle 22) is attached to the rear door 7L, the bolt shaft 44 of the fastening member 21 is inserted into the bolt insertion holes 38, 39, 41 from the inner surface side, and the bolt shaft 44 is inserted. Are screwed into the female threads 26a and 27a of the latch nuts 26 and 27, the cam lever 45 is set to the upright position, and the bolt shaft 44 is rotated to the fastening position in the tightening direction (indicated by an arrow 70 in FIG. 5). Then, the outer cylinder 51 is rotated with respect to the inner cylinder 50 to adjust the overall length of the adjustment member 46, and the cam lever 45 is tilted from the standing position to the lying position (indicated by an arrow 71 in FIG. 5). By tilting the cam lever 45 to the lying down position, the bracket handle 22 is fastened between the cam surface 52 and the latch nuts 26 and 27 and fixed to the rear door 7L. Therefore, the bracket handle 22 of the door lock device 20L can be firmly fixed to the outer surface of the rear door 7L.

  In the state where the door lock device 20L is attached, as shown by a two-dot chain line in FIG. 4, the rotation of the bolt shaft 44 from the fastening position to the tightening release direction causes the cam lever 45 ( It is regulated by coming into contact with the front end corner portion of the operation portion 48. Therefore, the fastening state of the door lock device 20L can be reliably prevented from being loosened due to vibration during traveling.

  When the rear door 7L is accidentally locked from the outside without noticing that there is an operator or the like in the cargo compartment 2, the operator or the like trapped in the cargo compartment 2 moves the cam lever 45 from the lying position to the standing position. Wake up. By raising the cam lever 45 to the upright position, the distance along the axial direction between the cam surface 52 and the latch nuts 26 and 27 is extended, the tightening force of the fastening member 21 is reduced, and the bolt shaft 44 is relatively easy. Can be rotated in the tightening release direction. By rotating the bolt shaft 44 in the tightening release direction, the bolt shaft 44 is disengaged from the female thread portions 26a, 27a of the latch nuts 26, 27. Therefore, the door lock device 20L can be removed from the cargo compartment 2 without requiring a tool. The rear door 7L can be opened.

  Further, since the bolt shaft 44 is prevented from loosening by the recess inner side surface 36a that defines the lever housing space 40 for housing the cam lever 45, it is not necessary to separately provide a part for preventing the bolt shaft 44 from loosening.

  The above-described embodiment is an example of the present invention, and the present invention is not limited to the above-described embodiment, and is not limited to the above-described embodiment as long as it does not depart from the technical idea according to the present invention. Of course, various modifications are possible.

  For example, the recess 35 may not be provided in the rear door 7L, and a rotation restricting portion may be provided on the inner surface of the rear door 7L. Further, a door lock device different from the door lock device 20 </ b> L configured by the bracket handle 22 and the latch handle 23 may be fixed by the fastening member 21.

1: Vehicle 2: Luggage 7L, 7R: Rear door 8: Entrance / exit 12L, 12R: Lock rod 15: Lock cam 16: Cam keeper 17: Handle 20L, 20R: Door lock device 21: Fastening member 22: Bracket handle 23: Latch Handles 26, 27: Latch nuts 26a, 27a: Female thread portion 28: Nut insertion hole 29: Nut receiving recess 30: Handle insertion space 31: Nut insertion hole 32: Exterior plate 33: Interior plate 34: Intermediate plate 35: Recess 36 : Case 36a: Inner side surface of recess (rotation restricting portion)
37: Spacer 38, 39, 41: Bolt insertion hole 40: Lever receiving space 43: Fastening head 44: Bolt shaft 44a: Male screw portion 45: Cam lever 46: Adjustment member 47: Lever base 48: Operation portion 49: Rotating shaft 50: Inner cylinder 51: Outer cylinder 52: Cam surface

Claims (2)

A door structure of a cargo compartment provided with a door lock device that is operated from the outside of the cargo compartment and holds the door in a closed position on the outer surface of the door that opens and closes the entrance / exit of the cargo compartment of the vehicle,
A bolt insertion hole penetrating the inner surface side and the outer surface side of the door;
A female screw portion disposed on the outer surface side of the bolt insertion hole and provided in the door lock device in a state in which relative rotation with the door lock device is restricted;
A fastening head disposed on the inner surface side of the door; a bolt shaft extending linearly integrally from the fastening head through the bolt insertion hole and screwed into the female screw portion; and the fastening head A fastening member having a cam lever supported by the portion;
A rotation restricting portion fixed to the inner surface side of the door,
The cam lever includes a lever base that is coupled to the fastening head so as to be rotatable about a rotation axis that intersects the axial direction of the bolt shaft and rotates integrally with the bolt shaft, and an operation portion that extends from the lever base. The operation part can tilt about the rotation axis between a standing position extending in the opposite direction of the bolt shaft from the lever base and a predetermined lying position falling from the standing position. ,
The lever base has a cam surface in which the distance between the tip end of the bolt shaft and the axial direction is shorter in the lying position than in the standing position,
The rotation restricting portion is in a fastening possible state in which the bolt shaft screwed into the female screw portion through the bolt insertion hole is rotated in a fastening direction to a predetermined fastening position, and the standing position and the lying position are The cam lever is allowed to tilt in between, and the rotation of the bolt shaft from the fastening position to the tightening release direction is disposed at a position where the rotation of the bolt shaft is restricted by contact with the cam lever at the lying position,
The door lock device is fixed to the door by being clamped between the cam surface and the female thread portion by tilting the cam lever in the fastening state from the standing position to the lying position. The door structure of the luggage room The luggage compartment door structure according to claim 1,
On the inner surface side of the door, there is provided a recess that is recessed on the outer surface side to partition the lever accommodating space,
The lever accommodating space accommodates the cam lever that is fallen to the lying position in the fastenable state,
The rotation restricting portion is an inner side surface of a recess that partitions the lever accommodating space.

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