JP2012193492A - Assist device for movable body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an assist device for a movable body for enabling position adjustment in a simple configuration.SOLUTION: The assist device for the movable body comprises: a receiving body provided on the side of one of a support and the movable body to be moved relative to the support; a base body provided on the side of the other of the support and the movable body; an abutting body engageable/disengageable with/from the receiving body and slidable along a predetermined movement path relative to the base body; an energizing mechanism for energizing the abutting body; and an adjusting mechanism for adjusting the position of the base body in a second direction intersecting a first direction along a sliding direction. The adjusting mechanism includes an operation part provided on the base body, a movement part provided on the base body so as to be position-adjustable in the second direction, a transmission part connecting the operation part to the movement part and adapted to be moved in the first direction depending on the operation of the operation part, and an operation converting mechanism for converting the movement of the transmission part in the first direction into that in the second direction to move the movement part in the second direction.

Description

  The present invention relates to an assist device for a movable body that assists operations of various movable bodies.

  In order to assist the operation of a movable body such as a sliding door, there is known a movable body assist device that forcibly moves and buffers using an urging mechanism and a braking mechanism (see, for example, Patent Document 1). In this type of assist device, for example, a housing is embedded on the sliding door side, a slidable contact body is housed in the housing, and a receiving body that is captured by the contact body is provided on the door frame side. Yes. A brake mechanism and an urging mechanism are connected to the contact body so as to buffer and assist the sliding operation. In such an assist device, a housing provided with an adjusting mechanism is provided to adjust the position of the sliding door in the thickness direction of the door. As an adjustment mechanism, for example, an adjustment screw and an adjustment plate having eccentric shafts are provided at both ends in the slide direction. By adjusting the insertion of the adjustment screw, the adjustment plate moves in the thickness direction of the sliding door with respect to the housing. Position adjustment is made.

JP 2007-278057 A

  The above-described technique has the following problems. That is, in the above configuration, an adjustment screw having an eccentric shaft is required, and an adjustment mechanism is provided at each end in the sliding direction.

  An assist device for a movable body according to an aspect of the present invention includes a receiving body provided on one side of a support body and a movable body that moves relative to the support body, the support body, and the movable body. A base provided on the other side, a contact body that is engageable and disengageable with the receiver, and is slidable along a predetermined movement path with respect to the base; An urging mechanism for urging the contact body, and an adjustment mechanism for adjusting a position of the base body in a second direction intersecting the first direction along the sliding direction, the adjustment mechanism including the base body An operating unit provided on the base, a moving unit provided on the base body so as to be position-adjustable in the second direction, and connecting the operating unit and the moving unit and in response to an operation on the operating unit. A transmission portion moving in a direction, and a first of the transmission portions A motion conversion mechanism for the movement of direction is converted into movement of said two directions to move the moving portion in the second direction, characterized by comprising a.

  ADVANTAGE OF THE INVENTION According to this invention, the assist apparatus of the movable body which can adjust a position with a simple structure can be provided.

Explanatory drawing of the sliding door provided with the assist apparatus concerning one Embodiment of this invention. Explanatory drawing of the sliding door provided with the assist apparatus concerning the embodiment. The perspective view of the assist unit concerning the embodiment. The perspective view of the assist unit. The disassembled perspective view of the assist unit. The top view of the assist unit.

  A movable body assist device 1 according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 6. In the drawings, arrows X, Y, and Z indicate three directions orthogonal to each other. Here, for example, the X-axis is along the sliding direction, the Y-axis is along the width direction, and the Z-axis is along the vertical direction. In each drawing, the configuration is appropriately enlarged, reduced, or omitted for explanation.

  As shown in FIGS. 1 to 4, the assist device 1 includes a striker 10 as a receiving body provided on one of a movable body and a support, and an assist unit 20 provided on the other of the movable body and the support. , And is configured. In FIG. 3, a part of the housing 21 is notched for explaining the internal structure.

  In the present embodiment, for example, the support body is the door frame F, the movable body is the sliding door M, the assist unit 20 is provided in the sliding door M, and the striker 10 is provided in the door frame F.

  As shown in FIG. 1, a sliding door groove F <b> 4 having a lower opening as an accommodating portion is provided in the upper part of the door frame F along the sliding direction. The sliding door M is slidably accommodated in the sliding door groove F4. Further, a moving plate 42 of the assist unit 20 provided in the sliding door M is disposed in the sliding door groove F4, and the moving plate 42 moves in the Y direction, so that the Y direction in the sliding door groove F4 of the assist unit 20 is moved. The position is adjusted.

  At the upper end of the sliding door M, a groove M1 for accommodating the assist unit 20 is formed along the sliding direction. The groove M1 is formed in an elongated shape along the sliding direction and has a predetermined shape having a predetermined width in the thickness direction and is an upper opening that is recessed downward. One end side in the X direction of the groove M1 is open, and the housing 21 is accommodated in the groove M1.

  Here, focusing on one sliding door M, the left side is the door tip side and the right side is the door bottom side. A handle M2 is formed at the left end portion of the sliding door M which is the door tip side. The state in which the sliding door is not in contact with the door frame F2 as shown in FIG. 1 is defined as the first state, and it is moved to the movement end position on the door side as shown in FIG. This state is referred to as a second state.

  The assist device 1 includes a striker 10 as a receiving body provided on the door frame F and an assist unit 20 provided on the sliding door M. The assist unit 20 is disposed at one end in the X direction of the groove M1 of the sliding door M.

  The assist unit 20 is housed in a housing 21 as a base provided in the groove M1, and an end of one side (left side in FIG. 1) in the sliding direction of the housing 21, and is slidable between a standby position and a retracted position. A latch 22 as a supported contact body, a biasing mechanism 23 that biases the latch 22 toward the other side in the sliding direction (right side in FIG. 1) with respect to the housing, and a sliding movement of the latch 22 connected to the latch 22. A braking mechanism 24 that cushions by applying a resistance force, and an adjustment mechanism 40 that adjusts the position of the housing 21 in the Y direction in the groove M1 by moving the moving plate 42 provided in the housing 21 in the Y direction. ing.

  The striker 10 is provided in the sliding door groove | channel F4 in the fixed position from the left end. The striker 10 includes a plate-like attachment member 11 attached to the upper frame F1 and an engagement portion 12 that forms a surface orthogonal to the Y axis and protrudes downward from the upper frame F1. The engaging portion 12 is captured by the hook-shaped catcher 32 of the latch 22, and the striker 10 and the latch 22 are engaged. As the sliding door M moves, the engaging portion 12 engages with the latch 22 through the groove M1 at the top of the sliding door M and enters the assist unit 20 or exits from the assist unit 20 and is released. Yes.

  As shown in FIGS. 3 to 6, the housing 21 has side walls 21 a and 21 a, and has a box shape elongated in the sliding direction at the upper surface opening. An upper chamber 25a in which the latch 22 is accommodated is formed between the side walls 21a and 21a, and one end of the upper chamber 25a is open.

  As shown in FIG. 6, a lid 28 that closes a part of the upper surface opening is provided at a predetermined position in the center portion of the housing 21 in the sliding direction. A guide slit 29 that is inclined in the sliding direction is formed in the lid 28. In FIG. 6, the adjusting mechanism 40 is omitted for the sake of explanation. The guide slit 29 includes a guide path 29a that is inclined in the Z direction and the Y direction, and an insertion path 29b that extends to the end in the Y direction. When the guide protrusion 48 of the moving plate 42 is engaged with the guide slit 29 and moved, the moving direction of the moving plate 42 is changed and guided.

  A slit 27 is provided at the end of the side wall 21a of the housing 21 in the sliding direction. A shaft portion 32d formed in the latch 22 is rotatably engaged with the slit 27.

  The latch 22 includes a latch base 31 that is slidably disposed between the side walls 21a and 21a, and a catcher 32 that is rotatably connected to the tip of the latch base 31.

The latch 22 is movable in the housing 21 between a standby position at the front end of the slit 27 and a retracted position at the rear end of the slit 27 and is supported so as to be rotatable in the R1 and R2 directions at the standby position. . The catcher 32 formed at the tip of the latch 22 can capture and engage the engaging portion 12 of the striker 10 by rotation in the R1 direction at the standby position around the shaft portion 32d extending in the Y direction. The striker 10 is released by releasing the engagement by turning.

  A braking mechanism 24 is connected to the rear end portion of the latch base 31. The braking mechanism 24 includes a piston damper 33 provided in the upper chamber 25 a of the housing 21. The brake mechanism 24 includes a cylinder 34 in which a fluid such as oil is sealed, and a piston rod 35 connected to a piston that is reciprocally moved in the cylinder 34. It is comprised so that the resistance force of the fluid may be provided. The brake mechanism 24 has a function in which one of the cylinder 34 and the piston rod 35 is fixed to the rear end of the latch 22 and the other is fixed to the housing 21, and a resistance is applied to the sliding movement of the latch 22 to buffer the movement of the movable body. Have.

  One end of a tension coil spring 36 as an urging mechanism is connected to the lower part of the catcher 32 and is always pulled in the retracting direction. In the engaged state in which the striker 10 is captured by the latch 22, the latch 22 is pulled in the retracting direction by the tension coil spring 36, whereby the movement of the sliding door M is assisted and forcibly moved.

  The adjustment mechanism 40 includes an operation unit 41 provided below one end of the housing 21, a moving plate 42 (moving unit) provided to be movable in the Y direction on the upper surface side of the middle part of the housing 21, and the operation unit 41. And the moving plate 42 are connected to each other and the moving plate 43 (transmitting portion) and the interlocking member 44 (transmitting portion) move in the sliding direction according to the operation of the operating portion 41, and the movement of the interlocking member 44 in the sliding direction is moved to the moving plate. And an operation conversion mechanism 45 that converts the movement into the movement in the Y direction.

  The operation part 41 is installed at the lower left end of the housing 21 and is disposed in the groove M1. The operation portion 41 is provided with a screw accommodating portion 47 that holds the male screw 46 along the sliding direction. A male screw 46 with a flange as an operating means is held in the screw accommodating portion 47, and the male screw 46 is engaged with the female screw portion 43 b of the transmission plate 43. The male screw 46 is held so that a flange portion 46a (base end portion) formed at the base end thereof is engaged with the screw housing portion 47 and is rotatable so that the axial direction is along the sliding direction. A communication hole 47 a that communicates with the outside from the screw accommodating portion 47 is formed on one end side of the operation portion 41, and an operation of rotating the male screw 46 through the communication hole 47 is possible.

  The moving plate 42 (moving part) is held by the interlocking member 44 and disposed on the upper surface side of the housing 21. The moving plate 42 is disposed in the sliding door groove F4. The moving plate 42 is formed in a rectangular plate shape, and includes a guide projection 48 as a motion converting portion at the center of the lower surface. Engagement guides 42c that engage with the interlocking member 44 are formed at both edges in the sliding direction of the moving plate 42 so as to be movable in the Y direction. The guide protrusion 48 is inserted into the guide slit 29 of the lid body 28, and is guided by the guide slit 29 so that the moving plate 42 moves obliquely.

  The transmission plate 43 is formed of a sheet metal that extends in the sliding direction from the lower left end portion to the middle portion along the lower surface in the lower portion of the housing 21. The left end portion of the transmission plate 43 forms a bent portion 43 a that is bent along the Z direction, and is held in the accommodating portion 47 of the operation portion 41. The lower end of the bent portion 43 a is formed with a turn and is locked to the accommodating portion 47 of the operation portion 41. The bent portion 43a is formed with a female screw portion 43b on which the male screw 46 is mounted. When the operation unit 41 is operated to adjust the combined state of the male screws 46, the position of the bent portion 43a moves in the sliding direction in accordance with the operation, and the transmission plate 43 moves to move in the X direction. To do. A narrow end portion 43c is formed on the other end side of the transmission plate 43, and edge portions on both sides in the Y direction are bent to form a claw portion 43d to be engaged with the hole 44c on the lower edge of the interlocking member 44. is doing.

  The interlocking member 44 is integrally formed with a facing piece 44a that faces the upper surface of the housing 21 and a pair of side pieces 44b and 44b that sandwich the side wall portions 21a and 21a of the housing 21 so as to have a U shape in cross section. Has been. A claw portion 43d that is locked to the transmission plate 43 is formed at the lower end edge of the side pieces 44b, 44b. The lower edges of the side pieces 44b, 44b are slidably engaged with the lower edges of the side walls 21a, 21a of the housing 21.

  The opposing piece 44a includes an opening 44d in which the moving plate is disposed, and a guide rail portion 44e that supports the engagement guide 42c of the moving plate 42 so as to be movable on both sides of the opening 44d. Engaging with the guide rail portion 44e, the moving plate 42 is held so as to be relatively movable in the Y direction. Further, the guide protrusion 48 on the lower surface of the moving plate 42 is engaged with the guide slit 29 of the lid 28 of the housing 21 through the opening 44d.

  In the adjustment mechanism 40 of the assist device 1 configured as described above, the male screw 46 of the operation unit 41 is rotated from one end side of the housing 21 through the communication hole 47a of the operation unit 41 positioned at the edge of the opening of the groove M1. Then, the transmission plate 43 is moved in the axial direction of the male screw 46, that is, in the X direction. Then, the interlocking member engaged with the distal end portion 43c of the transmission plate 43 moves in the X direction together with the transmission plate 43 and is held by the transmission plate 43, but the moving plate 42 also moves in the X direction. At this time, the guide plate 48 is guided by the guide slits 29 that are inclined in the X direction and the Y direction, so that the moving plate 42 also moves in the Y direction. As described above, the position of the movable plate 42 in the Y direction with respect to the housing 21 is adjusted, so that the relative position in the Y direction in the sliding door groove F4 of the housing 21 is adjusted, and the positions of the assist unit 20 and the sliding door M with respect to the door frame F are adjusted. Is adjusted.

  According to the assist device 1 according to the present embodiment, the adjustment mechanism 40 is provided, so that the position can be adjusted with a simple configuration. Since the adjustment mechanism 40 according to the above embodiment can transmit the operation of the operation unit 41 provided at one end and move the moving plate 42 provided in the middle part in the Y direction, the adjustment mechanism 40 can be adjusted by one operation. Is possible. Further, position adjustment can be realized at low cost and space saving. Further, the housing 21 is accommodated in the groove M1 that is open at one end, so that the operation unit 41 can be operated from the outside of the sliding door M through the groove M1, and the operation is easy. Further, in the adjustment mechanism 40 described above, the position can be adjusted with a simple operation by simply rotating the male screw 46. In addition, an operation conversion mechanism that converts the moving direction with a simple configuration can be realized by the oblique guide slits 29 and the guide protrusions 48 formed on the housing 21 side.

  In addition, this invention is not limited to the said embodiment, A various deformation | transformation implementation is possible in the range which does not deviate from the summary of this invention. In addition, the specific configuration, material, and the like of each unit are not limited to those illustrated in the above embodiment, and can be changed as appropriate.

  For example, in the above-described embodiment, the case where the assist unit 20 is provided on the movable body side and the striker 10 is provided on the support body side is illustrated, but the present invention is not limited to this. 20 may be provided.

  Moreover, in the said embodiment, although illustrated about the case where a movable body is the sliding door M, this invention is applicable also to other movable bodies, such as a hanging door and a raising / lowering slide door.

F ... door frame, M ... sliding door, F4 ... sliding door groove (accommodating part), M1 ... groove, 1 ... assist device,
DESCRIPTION OF SYMBOLS 10 ... Striker, 11 ... Mounting member, 12 ... Engagement part, 20 ... Assist unit,
21 ... Housing, 21a. 21a ... side wall, 22 ... latch, 23 ... biasing mechanism,
24 ... Braking mechanism, 28 ... Lid, 29 ... Guide slit, 29a ... Guide path, 29b ... Insertion path, 31 ... Latch base, 32 ... Catcher, 32d ... Shaft, 33 ... Piston damper,
34 ... Cylinder, 35 ... Piston rod, 40 ... Adjustment mechanism, 41 ... Operation part,
41a ... accommodating part, 42 ... moving plate (moving part), 43 ... transmission plate, 44 ... interlocking member, 44a ... opposite piece, 44b ... side piece, 44d ... opening, 44e ... guide rail part, 45 ... motion converting mechanism, 46 ... male screw (operating means), 47 ... accommodating portion, 48 ... projection.

Claims (5)

A receiving body provided on either side of the support and a movable body that moves relative to the support;
The base body provided on the other side of the support body and the movable body and the receiving body can be engaged and disengaged, and can be slid along the predetermined movement path with respect to the base body. An abutment provided on the
An urging mechanism for urging the contact body;
An adjustment mechanism that adjusts the position of the base body in a second direction that intersects the first direction along the relative movement of the support and the movable body;
With
The adjustment mechanism includes an operation unit provided on the base, a moving unit provided on the base and provided to be position-adjustable in the second direction, and the operation unit and the moving unit. A transmission unit that moves in the first direction in response to an operation, and a motion conversion mechanism that converts movement in the first direction of the transmission unit into movement in the two directions and moves the movement unit in the second direction; A movable body assist device characterized by comprising: The operation part is provided with a holding part for holding a base end part of a screw arranged along the first direction,
The transmission part is connected to the tip side of the screw,
The assisting device for a movable body according to claim 1, wherein the transmission unit moves in a first direction by rotating the screw in the operation unit. The transmission unit includes a transmission plate extending from an operation unit provided at an end of the base toward a middle part of the base, and the slide is engaged with the transmission plate along the first direction along with the transmission plate. And an interlocking part that
The moving part includes a moving plate supported to be movable in a second direction with respect to the interlocking part,
The motion conversion mechanism includes a guide protrusion provided on the moving plate, and a guide slit that engages with the guide protrusion and guides the guide protrusion along a path inclined in the first direction and the second direction. Prepared,
When the transmission plate moves in the first direction, the moving plate supported by the interlocking unit moves in the second direction by moving obliquely while being guided by the guide slit. 3. The assist device for a movable body according to 1 or 2.   The moving plate moves in the second direction with respect to the base in a state in which the moving plate is arranged in a receiving portion formed on one side of the support body and the movable body, whereby the housing is performed. The movable body assist device according to any one of claims 1 to 3, wherein a position of the base in the second portion in the second direction is restricted.   The assisting device for a movable body according to any one of claims 1 to 4, further comprising a braking mechanism that applies a resistance force to the sliding movement of the contact body.

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