WO2013094523A1

WO2013094523A1 - Movable object assistance device

Info

Publication number: WO2013094523A1
Application number: PCT/JP2012/082425
Authority: WO
Inventors: 井爪　友治
Original assignee: 株式会社ニフコ
Priority date: 2011-12-21
Filing date: 2012-12-13
Publication date: 2013-06-27
Also published as: KR20140108557A; JP5926949B2; KR101973230B1; JP2013130014A; CN104011309A

Abstract

The movable object assistance device of an embodiment is characterized in being equipped with: a keeper provided on either a support or a movable object that moves relative to the support; a foundation provided on the other of the support or the movable object; an abutting body comprising a base that is movably provided in the foundation, a cam provided on the base to be rotatable and to be able to engage with or release the engagement with the keeper by rotating, and a regulating member that is slidable with respect to the base and guides the movement of the cam; and an energizing mechanism that energizes the abutting body.

Description

Movable assist device

The present invention relates to a movable body assist device that assists the operation of various movable bodies.

There is known an assist device for a movable body that forcibly moves using an urging mechanism in order to assist the operation of the movable body such as a sliding door or a hanging door. In such a movable body assist device, a receiving body is provided on the door frame side, and a contact body that can be engaged with the receiving body is provided on the sliding door side. The contact body is slidable at the standby position and the retracted position, and is connected to a tension coil spring as an urging mechanism. The contact body has, for example, a resin engaging portion at the tip, and this engaging portion can be engaged with and released from the receiving body.

When the sliding door is in the open position where it is not closed, the contact body is held in the standby position with the tension coil spring extended most. When the operator moves the sliding door from the open position to the closed position, the abutting body hits the receiving body and captures the receiving body. At the same time, the holding at the standby position is released, and the abutment body is pulled by the tension coil spring while moving to the retracted position while capturing the receiving body. For this reason, the sliding door of this moving dimension is forcibly moved.

When the sliding door is in the closed position, the contact body is in a state where the tension coil spring is compressed. When the operator moves the sliding door from the closed position toward the open position, the sliding door moves while pulling the tension coil spring. When the predetermined position is reached, the contact body opens the receiving body and is held at the standby position again.

JP 2006-169723 A

When the contact body and the receiving body are engaged or released, the contact body may collide with the receiving body due to the momentum of rotation, and a collision sound may be generated.

Therefore, an object of the present invention is to provide a movable body assist device capable of reducing the impact noise by smoothing the operation of the contact body.

An assist device for a movable body according to the present invention includes a receiving body provided on one side of a support and a movable body that moves relative to the support, and any one of the support and the movable body. A base provided on the other side, a base provided movably on the base, a cam rotatably provided on the base, and capable of being engaged with and disengaged from the receptacle by rotation; A contact body having a regulating member that is slidable with respect to the base and guides the operation of the cam, and an urging mechanism that urges the contact body.

According to the present invention, the impact sound can be reduced by smoothing the operation when the contact body and the receiving body are engaged or released.

It is explanatory drawing which shows operation | movement of the sliding door provided with the assist apparatus concerning one Embodiment of this invention, It is explanatory drawing which shows operation | movement of the sliding door provided with the assist apparatus concerning the embodiment, It is a perspective view of the assist unit according to the embodiment, It is a perspective view of the striker according to the embodiment, It is a side view of the assist device according to the embodiment, It is a top view of the assist unit according to the embodiment, It is explanatory drawing which expands and shows a part of assist unit concerning the embodiment, <a> to <d> are explanatory views showing the normal operation of the assist device according to the embodiment, <a> to <d> are explanatory diagrams showing an operation at the time of malfunction of the assist device according to the embodiment, <a> to <d> are explanatory views showing an operation at the time of engagement or disengagement of the latch and the striker of the assist device according to the embodiment.

Hereinafter, a movable body assist device 1 according to an embodiment of the present invention will be described with reference to FIG. 1 to FIG. 10 <d>. 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 and 2, 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 this 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 as the movable body, and the striker 10 is provided in the door frame F as the support body. Illustrate.

As shown in FIG. 1, the door frame F includes an upper frame F1, a left frame F2, a right frame F3, and a lower frame. A sliding door groove F4 along the sliding direction is formed in the upper frame F1, and the sliding door M is slidably accommodated in the sliding door groove F4.

A groove M1 for accommodating the assist unit 20 is formed in the upper end portion of the sliding door M along the sliding direction. 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.

As shown in FIG. 1, the open state where the sliding door M is not in contact with the left frame F2 is the first state, and as shown in FIG. 2, it is moved to the door end side movement end position and is in the closed state where it is in contact with the left frame F2. Is in the second state.

The assist device 1 includes a striker 10 provided on the door frame F and an assist unit 20 provided on the sliding door M.

The assist unit 20 is housed in a housing 21 as a base provided in the groove M1 at the upper end portion of the sliding door M, and an end portion on one side in the sliding direction of the housing 21 (left side in FIG. 1). Latch 22 as a contact body supported so as to be slidable between, a biasing mechanism 23 for biasing latch 22 to the other side in the sliding direction (right side in FIG. 1) with respect to housing 21, and coupling to latch 22 And a braking mechanism 24 that cushions the latch 22 by applying resistance to sliding movement of the latch 22.

In the sliding door groove F4 at the upper end of the door frame F, a striker 10 is provided at a fixed position from the left end. As shown in FIGS. 4 and 5, the striker 10 includes a plate-like attachment member 11 attached to the upper frame F 1, and an engagement protrusion 12 that protrudes downward on the distal end side of the attachment member 11. It is configured. Due to the movement of the sliding door M, the engaging protrusion 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 is released from the assist unit 20 and released. Yes.

The end surface of the engaging protrusion 12 forms a pressing surface 12a that presses the pressed portion 33b. A first engagement recess 12 b (first engagement portion) that is recessed upward is formed on the back side of the engagement protrusion 12. An engaging claw 12c protruding in the Y direction is formed at the end of the engaging protrusion 12. On the back side of the engagement claw 12c, a triangular second engagement recess 12d (second engagement portion) is formed in which both ends in the Y direction are recessed upward. The second engagement recess 12d is arranged on the other end side in the sliding direction (right side in FIG. 1) than the first engagement recess 12b.

During the first operation and the second operation under normal conditions, the hook 32f of the latch 22 enters the first engagement recess 12b, and the engagement protrusion 12 is captured by the catcher 32a. Further, in the third operation at the time of malfunction return, the pair of thin plate-like hooks 32f on both sides in the Y direction of the latch 22 enters the second engaging recess 12d, and the engaging claws 12c become the catcher 32a. Be captured. By these engagements, the striker 10 engages with the latch 22 and moves integrally.

As shown in FIGS. 3, 5 and 6, the housing 21 has a box shape elongated in the sliding direction with the upper surface opening. In the rear portion of the housing 21, a partition plate 25 is provided in the center in the Z direction, and an upper upper chamber 25a and a lower lower chamber 25b are formed. One end side of the upper chamber 25a is opened, and the latch base 31 is accommodated between the

side walls

21a and 21a sandwiching the upper chamber 25a. In each figure, a part of the housing 21 is cut away to illustrate the internal structure.

A slit 27 (guide path) is provided on one end side of the side walls 21 a of the housing 21. The slit 27 is curved downward from the main guide path 27a extending along the X axis to the standby position (first position) and the retracted position (second position), and the standby position at the front end of the main guide path 27a. The arcuate standby path 27b that extends and a retreat path 27c that branches off from the retracted position of the rear portion of the main guide path 27a and curves downward and forward are formed.

The standby path 27b is along an arcuate trajectory T2 centered on the first shaft portion 32b in a state where the latch 22 is in the first position, and the second shaft portion 32d is moved during the engagement and disengagement operations. Guide along an arcuate trajectory T2. The retreat path 27c overlaps with the groove 31b forming the arc-shaped trajectory T2 of the support piece 31c, and forms a path for guiding the first shaft portion along the arc-shaped trajectory during the retreat operation.

The second shaft portion 32d formed at the front end portion of the latch 22 is rotatably engaged with the slit 27. In addition, the first shaft portion 32b is engaged with the slit 27 at a position behind the second shaft portion 32d so as to be rotatable and slidable. Further, the protrusion 31a of the latch base 31 engages with the main guide path 27a of the slit 27 so as to be slidable.

In the lower chamber 25 b of the housing 21, a connecting portion 21 b for fixing the end portion of the tension coil spring 41 to the housing 21 is formed. The connecting portion 21b is, for example, a shaft member spanned between the

side walls

21a and 21a, and the other end side of the tension coil spring 41 is attached to the connecting portion 21b.

As shown in FIGS. 3 to 7, the latch 22 includes a latch base 31 (base), a cam 32 rotatably connected to the tip of the latch base 31, and a regulation slider 33 (regulating the operation of the cam 32. And is supported so as to be movable in the X-axis direction between the

side walls

21a, 21a in the housing 21.

The latch base 31 has a protrusion 31a that is elongated in the X direction. The latch base 31 is slidably held in the X direction between the pair of

side walls

21a, 21a forming the upper chamber 25a of the housing 21 by the engagement of the protrusion 31a with the slit 27. A support piece 31c having a groove 31b that forms an arc-shaped locus overlapping the retraction path 27c is provided at the tip of the latch base 31.

The cam 32 has an axis C1 along the Y direction and a pair of first shaft portions 32b protruding in the Y direction. The first shaft portion 32 b is inserted into the slit 27 and the groove 31 b and is engaged so as to be rotatable and movable in the slit 27.

As shown in FIG. 7, the cam 32 is provided so as to be rotatable about a first shaft portion 32b in a first rotation direction R1 and a second rotation direction R2 opposite thereto. The cam 32 has a catcher 32a, a clamping piece 32c, a regulation protrusion 32g (regulation engagement part), a biased part 32e, and a pair of second shaft parts 32d in order on the outer peripheral portion thereof. Configured.

The catcher 32a is provided on the tip side of the cam 32 and has a pair of hooks 32f protruding in the R1 direction. The hooks 32f are provided on both sides in the Y direction and have triangular plate members.

The sandwiching piece 32 c is formed so as to protrude upward from the rear portion of the cam 32. The sandwiching piece 32c is arranged on the back side of the pressed portion 33b in the engaged state with the striker 10, and is configured to sandwich the engaging protrusion 12 of the striker 10 without gaps in a trapezoidal space between the hook 32f. ing.

The restricting protrusion 32g is formed to protrude on both sides in the width direction at the rear end portion of the cam 32, and engages slidably along the guide surface 33e of the restricting slider 33. The restricting projection 32g is guided along the guide surface 33e of the restricting slider 33 to restrict the position and posture of the cam 32 to control the rotation operation.

The pair of second shaft portions 32d is formed on the catcher 32a, has an axis C2 along the Y direction, is formed to protrude in the Y direction, and is movably engaged in the slit 27.

The to-be-biased part 32e is provided in the lower part of the cam 32, and is located behind and below the second shaft part 32d. The biased portion 32e is disposed at the lower portion of the housing 21, and one end of the tension coil spring 41 is connected thereto. The biased portion 32e is always pulled in the retracting direction by the tension coil spring 41.

The restriction slider 33 restricts the position of the slide protrusion 33 a that is slidably engaged with the guide groove 31 e of the latch base 31, the pressed portion 33 b that is pressed against the striker 10, and the restriction protrusion 32 g of the cam 32. There is a restriction guide portion 33c, and a recess is formed in the center in the width direction so that the lower portion is open and the clamping piece 32c can enter.

The regulating slider 33 is disposed between the pair of support pieces 31a of the latch base 31, and is supported so as to be reciprocally movable in the X direction with respect to the latch base 31 by the engagement of the slide protrusion 33a and the guide groove 31e.

The pressed portion 33b is arranged at the upper part of the front end of the regulating slider 33, and is brought into contact with the pressing surface 12a of the striker 10 by the movement of the sliding door M and is pressed in the retracting direction. The pressed portion 33b is provided with a cushioning material 33f made of an elastic material such as a rubber material, and has a cushioning function at the time of contact with the striker 10.

The concave portion is formed on the back side of the pressed portion 33b. The clamping piece 32c can enter into the recess. The sandwiching piece 32c is disposed on the back side of the pressed portion 33b, and the pressed portion 33b and the engaging protrusion 12 are arranged and sandwiched in a trapezoidal space between the hook 32f and the sandwiching piece 32c. It is like that.

The regulation guide portion 33c is configured by a lower end edge of the regulation slider 33, and constitutes a guide surface 33e along a predetermined trajectory T1 (first trajectory). The guide surface 33e has a predetermined curved shape, and is engaged and engaged according to the relationship between the trajectory T2 in which the second shaft portion 32d moves in the standby path 27b of the guide path 27 and the movement trajectory T3 of the tip of the hook 32f. It is set so that the release operation is performed gently and smoothly. The rotational movement of the cam 32 is controlled by regulating the position and posture of the cam 32 by regulating the position of the regulating projection 32g along the locus T1.

As an example of the condition of the trajectory T1, the restriction projection 32g is guided along the trajectory T1, and the trajectory T3 at the tip of the cam 32 (hook) moves while tracing along the outer shape of the striker 10, and the cam It is set so that the clearance between the striker 10 and the striker 10 is always minimized. Further, when the second shaft portion 32d moves along T2, the cam 32 is rotated so that the cam 32 does not rotate vigorously at the curved apex portion where the rotation operation is likely to occur rapidly by the force of the tension spring 41. It is set under conditions that regulate and operate at a low speed in accordance with the movement of the sliding door M. The engaging portion 12 of the striker 10 is arranged in the space between the hook 32f and the sandwiching piece 32c and engages without a gap before the time when the regulation force is relaxed, so that the engaging operation is performed slowly. In other words, the braking force of the braking mechanism 24 is set to be generated before the time when the regulation force is relaxed.

The urging mechanism 23 includes a tension coil spring 41 as a first urging means. The tension coil spring 41 is arranged in the lower part of the housing 21 so that the axial direction is along the sliding direction. One end of the tension coil spring 41 is connected to the biased portion 32 e below the latch 22, and the other end is connected to the connecting portion 21 b of the housing 21. This tension coil spring 41 has a function of hooking and holding the latch 22 in the standby state in the pull-in direction so as to be hooked on the standby path 27b and forcing the latch 22 in the main guide path 27a in the pull-in direction. It has a function of moving and a function of urging the latch 22 in the second rotation direction R2.

The braking mechanism 24 includes a piston damper 50 provided in the upper chamber 25a of the housing 21. The piston damper 50 includes a cylinder 51 in which a fluid is sealed, a piston that reciprocates on the slide axis X of the latch 22 in the cylinder 51, and a piston rod 52 that is coupled to the piston. The end of the piston rod 52 is fixed to the housing 21, and the outer end of the cylinder 51 facing the piston is connected to the rear end of the latch 22.

The braking mechanism 24 applies resistance to the pushing and pulling operation of the cylinder 51 or the piston rod 52 by causing the fluid in the cylinder 51 to oppose the operation of the piston housed in the cylinder 51. The sliding movement of the latch 22 with respect to the housing 21 is braked. The fluid sealed in the cylinder 51 is typically a viscous fluid such as silicone oil, but is not limited thereto, and a gas may be used.

Hereinafter, the operation of the assist device 1 according to the present embodiment will be described with reference to FIG. 8 <a> to FIG. 10 <d>.

As shown in FIGS. 1 and 8 <a>, in the first state where the sliding door M does not reach the striker 10, the second shaft portion 32d of the latch 22 is caught by the standby path 27b and pulled by the tension coil spring 41. The latch 22 is held at the standby position at the end of the housing 21.

The first operation from the first state to the second state will be described. When the operator moves the sliding door M toward the left door stop F1 from the first state, as shown in FIG. 8 , when the sliding door M reaches the first predetermined position, the regulation slider 33 is first set to the striker. 10 abuts. Then, when the striker 10 pushes the pressed portion 33b backward, the regulation slider 33 is pushed backward (right side in FIG. 8 ). Then, the regulating slider 33 moves rearward, and the regulating projection 32g of the cam 32 slowly moves rearward and downward along the guide surface 33e of the regulating slider 33, so that the cam 32 is centered on the first shaft portion 32b. It rotates in the R1 direction.

At this time, as shown in FIGS. 10 <a> to <d>, the restricting protrusion 32g engaged with the guide surface 33e is guided and moved along the predetermined trajectory T1 rearward and downward. The trajectory T1 of the guide surface 33e is configured to suppress the rapid rotation of the cam 32 and move slowly by the regulating force, particularly in the vicinity of the second shaft portion 32d passing through the bending vertex of the slit 27.

As an example of the condition of the trajectory T1, the movement trajectory T3 of the tip of the cam 32 enters the first engaging recess 12b along the shape of the engaging protrusion 12, and is set so that the clearance is reduced. The second shaft portion 32d is set so that the regulating force by the guide surface 33e extends until the second shaft portion 32d enters the main guide passage 27a from the standby passage 27b, and the second shaft portion 32d extends from the standby passage 27b to the main guide passage 27a. After that, the regulatory power is relaxed. Under such conditions, when the regulation force is relaxed, the engagement portion 12 of the striker 10 is already disposed in the space between the hook 32f and the sandwiching piece 32c and there is almost no clearance, so no collision occurs. Impact noise can also be reduced. At the time when the regulation force is relaxed, the tension spring 41 has already passed through the bent portion where the turning operation is likely to occur rapidly, and reaches the linear main guide path 27a. Since power is generated, the operation is performed slowly and smoothly.

As shown in FIG. 8 <c>, the hook 32f at the tip of the cam 32 is engaged with the striker 10 and the striker 10 is captured by the latch 22 by the rotation thus restricted. At the same time as the cam 32 rotates in the R1 direction, the lower second shaft portion 32d moves upward to reach the position where it enters the main guide path 27a, the holding on the standby path 27b is released, and the main guide path It will be in the state which can move along the slide axis X which is the centerline of 27a.

Then, as shown in FIG. 8 <d>, the latch 22 is relatively moved to the right with respect to the housing 21 and the sliding door M by the restoring force of the tension coil spring 41 and is relatively moved to the retracted position. With this movement, the sliding door M and the housing 21 are forcibly moved relative to the one end side in the sliding direction with respect to the door frame F and the striker 10. At this time, a resistance force is applied by the braking mechanism 24, and the sliding door M moves slowly and automatically in the direction of closing while buffering.

Next, the second operation from the second state to the first state shown in FIG. 2 and FIG. 8 <d> will be described. In the second operation, the operation is performed in the order of <d>, <c>, , and <a> in FIG. 8 contrary to the first operation. When the operation of moving the sliding door M to the right side from the second state where the sliding door M has moved to the end position on the left side is performed, the latch 22 holds the striker 10 against the biasing force of the tension coil spring 41 and the sliding door M and The sliding door M moves to the right side while moving relatively to the one end side with respect to the housing 21 (<c> in FIG. 8). At this time, since the rear end of the latch 22 is connected to the piston rod 52 of the piston damper 50, it receives the resistance force of the fluid in the cylinder 51 while moving the piston.

When the predetermined position is reached, as shown in FIG. 8 , the striker 10 is separated from the pressed portion 33b, and the cam 32 rotates about the first shaft portion 32b in the R2 direction by the restoring force of the tension coil spring 41. To do.

At this time, as shown in FIGS. 10 <d> to <a>, the restriction protrusion 32g engaged with the guide surface 33e is guided and moved rearward and downward along a predetermined locus T1. Since the position of the restricting protrusion 32g is restricted along the trajectory T1, it moves slowly by the restricting force. The trajectory T1 of the guide surface 33e is configured to suppress the rapid rotation of the cam 32 and move slowly by the regulating force, particularly in the vicinity of the second shaft portion 32d passing through the bending vertex of the slit 27. As an example of the condition of the trajectory T1, the second shaft portion 32d is set so that the regulating force is exerted by the guide surface 33e until the second shaft portion 32d passes from the main guide path 27a through the curved portion and enters the standby path 27b. After passing through the curved portion and reaching a predetermined position in the standby path 27b, the regulating force is relaxed. Therefore, the operation at the time of rotation is performed slowly and smoothly.

The engagement with the striker 10 is released by this restricted rotation. At the same time, the second shaft portion 32d reaches the standby position at the front end of the main guide path 27a, the second shaft portion 32d enters the lower standby path 27b, and returns to the standby state where it is held again at the standby position by the tension coil spring 41. . Thereafter, the movement of the sliding door M is released from the urging force of the tension coil spring 41. Then, the striker 10 is released and returns to the first state in FIG.

Next, as a third operation, a return operation from the third state in which the latch 22 has moved to the retracted position without being engaged with the striker 10 due to, for example, a malfunction will be described.

As shown in FIG. 9 <a>, when the sliding door M moves in the first direction with respect to the support body from the third state in which the latch 22 is in the retracted position with the engagement with the striker 10 released, As shown in FIG. 9 , a part of the cam 32 (here, the hook 32f) comes into contact with the striker 10 and is pressed backward. By this pressing, the cam 32 swings around the second shaft portion 32d while rotating in the R1 direction while the first shaft portion 32b moves downward along the retreat path 27c. By this swinging, the upper end of the hook 32f of the catcher 32a retreats downward from the passage route of the striker 10, so that the striker 10 can get over the hook 32f and engage with the latch 22 by moving along the X direction. It is possible to move in the pull-in direction to a possible position.

As shown in FIG. 9 <c>, when the claw portion 12c of the striker 10 gets over the hook 32f, the cam 32 is rotated in the R2 direction by the restoring force of the tension coil spring 41, and the hook 32f is in the second engagement state. The striker 10 and the latch 22 are engaged with each other by being inserted into the mating recess 12d. When the sliding door M is moved in the second direction (a direction away from the movement end position) in this engaged state, the main guide path is in a state where the striker 10 is captured by the latch 22 as shown in FIG. Move along 27a. When the predetermined position is reached, the engagement between the contact body and the receiving body is released, and the contact body is returned to the first state where the contact body is held at the standby position.

According to the present embodiment, by providing the restriction slider 33 for restricting the rotation of the cam 32, it is possible to prevent an impact sound when the striker 10 and the latch 22 are engaged. That is, by restricting the posture and position of the cam 32 by the restriction guide portion 33c of the restriction slider 33, the clearance between the striker 10 and the cam 32 is kept to a minimum, and the movement of the cam 32 follows the operation of the sliding door M. Thus, the difference in moving speed between the striker 10 and the cam 32 is less likely to occur, and an impact can be avoided and a smooth operation can be achieved.

The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present 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.

The restriction slider 33 is arranged so as to be slidable in the first direction and the second direction. However, in order to prevent rattling, a compression coil spring or the like is used as the second urging means so that it is always on the striker 10 side (front). It is good also as a structure to energize.

In the said embodiment, although illustrated about the case where the assist unit 20 was provided in the sliding door M side as a movable body, and the striker 10 was provided in the door frame F side as a support body, it is not restricted to this, The movable body side Alternatively, the striker 10 may be provided, and the assist unit 20 may be provided on the support side. Although the said 1st Embodiment and 2nd Embodiment illustrated the striker 10 of a different structure, it is not restricted to this, For example, you may change a combination.

Moreover, although the case where the movable body is the sliding door M is illustrated in the above embodiment, the present invention can also be applied to other movable bodies such as a hanging door and an elevating slide door.

In the present embodiment, the case where the individual engaging portion recesses 12b and 12d are provided for the normal time and the malfunction return time and the hook 32f is engaged at different positions is illustrated. You may make it engage in the same position for the time of malfunction return. Also in this case, by swinging in the retracting direction, it can be retracted and re-engaged as in the above embodiment.

In the above embodiment, the description has been made focusing on one sliding door M, but the present invention can also be applied to a case where two or more similar sliding doors M and assist units 20 are actually provided.

Furthermore, the present invention can be realized even if a part of the constituent elements of the above embodiment is omitted.
The entire contents of the specification, claims, drawings and abstract of Japanese Patent Application No. 2011-280403 filed on December 21, 2011 are cited here as disclosure of the specification of the present invention. Incorporate.

Claims

A receiving body provided on either side of the support and a movable body that moves relative to the support;
A base provided on the other side of the support and the movable body;
A base that is movably provided on the base body, a cam that is rotatably provided on the base and that can be engaged with and released from the receiving body by the rotation, and is slidable with respect to the base. A contact member having a restricting member for guiding the operation of the cam;
And a biasing mechanism that biases the abutting body.
The restricting member includes a pressed portion that is pressed against the receiving body, and a restricting guide portion that guides the operation of the cam.
The assist device for a movable body according to claim 1, wherein the cam includes a restriction engagement portion guided by the restriction guide portion.
The restriction guide portion has a guide surface formed along a first locus including a path inclined in the direction of the slide, and is pressed by the receiving body as the movable body moves. When the regulation slider moves in the sliding direction, the regulation engagement portion is guided along the first locus along the guide surface, whereby the posture and position of the cam are regulated. The assist device for a movable body according to claim 2.
A main guide path along a path from the first position to the second position; a standby path that curves from the first position of the main guide path; and a retreat path that curves from the second position of the main guide path. With a continuous guide path,
The base is movable along the main guide path;
The cam has a first shaft portion and a second shaft portion that are engaged with the guide path, and the cam is rotated in a first rotation direction around the first shaft portion at the first position. It can be engaged with a body and can be released by rotating in a second rotation direction opposite to the first rotation direction about the first shaft portion, and is in the main guide path While revolving around the second shaft portion and swinging while moving along the retraction path, the first shaft portion is retreated from the moving path of the receptacle,
The assist device for a movable body according to any one of claims 1 to 3, wherein the urging means urges the contact body toward the second position.
5. The movable body assist device according to claim 1, further comprising a braking mechanism that applies a resistance force to the movement of the contact body.
6. The movable body assist device according to claim 1, further comprising second urging means for urging the regulating member toward the abutting body.