WO2007116572A1

WO2007116572A1 - Slide assisting device

Info

Publication number: WO2007116572A1
Application number: PCT/JP2006/326289
Authority: WO
Inventors: Naoki Chikaraishi
Original assignee: Nifco Inc.
Priority date: 2006-03-31
Filing date: 2006-12-28
Publication date: 2007-10-18

Abstract

A slide assisting device comprises a pushing/pulling unit (1) provided on a movable body (7) and having a rotator (2), a regulating means (3) for regulating the rotary range of the rotator, an urging means (4) for storing or applying the urging force as the rotator rotates, and a latch means (5) for latching the rotator releasably under a state where the urging means (4) is storing the urging force; and an operating member provided on the body (8) and locking the rotator (2) through the latch means (5) by rotating the rotator in such a direction as the urging means (4) stores the urging force by butting against the rotator in the process where the movable body (7) slides from the pulled position in the pushing direction or from the pushed position in the pulling direction or making the movable body slidable in the pushing direction or the pulling direction with the stored urging force by making the rotator (2) rotatable in the direction for unlatching the latch means (5).

Description

Specification

Sliding assist device

Technical field

TECHNICAL FIELD [0001] The present invention relates to a sliding assist device that assists an operation of sliding a movable body such as various drawers and lids between a retracted position and a pulled position with respect to a main body by an urging force. Background art

FIGS. 13 (a) and 13 (b) show the drawing device of Patent Document 1, FIG. 13 (a) is a drawing position of a movable body (not shown), and FIG. 13 (b) is a state diagram at the drawing position. . Reference numeral 50 denotes a side wall of the main body, reference numeral 55 denotes a driving pin on the movable body side, reference numeral 60 denotes an inclined member disposed between the main body side wall and the movable body, and reference numeral 65 denotes a spring member. A guide track 51 is provided on the main body side wall 50. The guide track 51 is composed of a straight portion 51a extending horizontally in the front-rear direction and an arcuate portion 5 lb on the front (right side in the figure). The inclined member 60 has a slot 61 opened upward and an oblique side wall 62 extending from the front side of the slot 61, and bolts 63 and 63 are fitted to the guide track 51. The spring member 65 accumulates an urging force in the process in which the movable body is slid from the retracted position in the pulling direction with one end locked to the main body side and the other end locked to the inclined member 60.

[0003] In the structure described above, the movable body is assembled with the drive pin 55 fitted in the slot 61 on the main body side. When the movable body is slid in the pull-out direction from the retracted position, the inclined member 60 is driven along the straight portion 51a of the guide track 51, and then tilted forward at the arcuate portion 51b, and the drive pin 55 Moves from the slot 61 to the oblique side wall 62. As a result, the movable body is locked or locked at the pulled-out position against the urging force of the spring member 65 and is pushed backward to return the drive pin 55 from the oblique wall portion 62 to the slot 61. The spring member 65 is pulled by the urging force accumulated. In Patent Document 1, the movable body is slid in the pull-in direction by the urging force of the spring member 65, and when the movable body is strongly pulled in, the wrinkle that is bound and pulled out again is eliminated. .

[0004] Patent Document 1: Japanese Patent Publication No. 5-023763

Disclosure of the invention Problems to be solved by the invention

[0005] In the conventional structure described above, for example, the movable body is almost automatically slid in the pull-in direction from the pull-out position, but the pull-in position force is also required to be strong in the pull-out direction. Becomes worse. Further, as a lock mechanism that locks the movable body against the urging force of the spring member 65, the drive pin 55 is pulled out of the slot 61 by the forward inclination of the inclined member 60, and is engaged with the inclined side wall 62. There is a risk of unlocking due to vibrations that weaken the engagement force. Since the opening of the slot 61 provided in the inclined member 60 receives a large load as the urging force of the spring member 65 accumulates during the pulling operation of the movable body (drive pin 55), the lock margin with the drive pin 55 should be increased. However, the disengagement of the drive pin 55 due to the forward inclination of the inclined member 60 must be prevented from being damaged, which is restricted. In addition, the conventional structure does not have a function to assist both the sliding operation of the movable body in the retracting direction and the sliding direction in the pulling direction, and is limited in operating characteristics. .

[0006] As countermeasures as described above, the present applicants have developed sliding assist devices such as those disclosed in JP-A-2005-279018 and JP-A-2006-26330, all of which are movable bodies. Since a slider that slides in the same direction and a lock member that is incorporated in the slider so as to be displaceable in the orthogonal direction are essential, it is difficult to achieve compactness, for example, because the entire size is long. SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to make the application expandable by making it compact and simple and improving the operation characteristics.

Means for solving the problem

[0007] A sliding assist device according to a first aspect of the present invention is a sliding assist device that assists in an operation of pulling a movable body from a pulling position of the main body and an operation of pulling out the pulling position, and is provided on the movable body side. A rotator that is movably supported; a restricting means that restricts a rotation range of the rotator; an urging means that accumulates or releases an urging force as the rotator rotates; A pull-in unit having a latching means for releasably locking the rotating body in a state where the biasing force is accumulated, and a pulling unit provided on the main body side to pull the movable body from the pulling position. In the process of sliding in the pull-in direction from the pull-out position, the urging means hits the rotator and rotates the rotator in the direction in which the urging force is accumulated, and is locked via the latch means. The rotating body is moved in a direction to release the latch means. And an actuating member that is pivotable so that the movable body can be slid in the pull-out direction and the pull-in direction by the accumulated urging force.

[0008] In the sliding assist device according to the second aspect of the present invention, in the process in which the actuating member slides the movable body from the retracted position in the pulling-out direction, the biasing means hits the rotating body and exerts a biasing force. A first member that allows the rotating body to rotate in the accumulation direction, and a second member that enables the rotating body to rotate in a direction to release the urging force accumulated on the rotating body. It is characterized by being. On the other hand, in the sliding assist device according to the third aspect of the present invention, the biasing means hits the rotating body in the process in which the operating member slides the movable body from the retracted position in the pulling direction. A first member that enables the rotating body to rotate in a direction in which the rotating body is accumulated, a second member that enables the rotating body to rotate in a direction in which the accumulated urging force is released against the rotating body, and The urging means hits the rotating body and is constituted by a third member that enables the rotating body to rotate in the direction in which the urging force is accumulated again! /

[0009] A sliding assist device according to a fourth aspect of the present invention is a sliding assist device that assists in the operation of pulling the movable body from the pull-out position of the main body in the pull-in direction, and is provided on the movable body side and is rotatably supported. A retractable rotator, a restricting means for restricting a rotation range of the rotating body, and a retracting unit having an urging means for accumulating or releasing an urging force as the rotating body rotates. Provided on the main body side, in the process of pulling out the movable body from the retracted position, hits the rotating body and allows the urging means to rotate in a direction in which the urging means accumulates urging force, and the movable body An actuating member that allows the movable body to slide in the drawing direction from the drawing position or midway position with the urging force accumulated on the rotating body in the process of pulling in the drawing position from the drawing position, The

[0010] A sliding assist device according to a fifth aspect of the present invention is a sliding assist device that assists in pulling out the movable body from the retracted position of the main body in the pull-out direction, and is provided on the movable body side and is rotatably supported. A rotating unit, a restricting means for restricting a rotation range of the rotating body, and an extractor having an urging means for accumulating or releasing an urging force as the rotating body rotates. Provided on the main body side so as to be able to rotate the rotating body in a direction in which the urging means accumulates the urging force by hitting the rotating body in the process of pulling the movable body from the pull-out position. And an actuating member that allows the movable body to slide in the retracted position or midway position force pull-out direction with the urging force accumulated against the rotating body in the process of pulling out the retractable position force. It is characterized by that.

[0011] In the first to fifth aspects of the present invention, any one of a pull-out unit, a pull-in unit, and a pull-out unit is provided on the movable body side, and an operating member is provided on the main body side. In addition, the biasing means is essential, and it is common in that it is used as a pair with the actuating member. In terms of operation, the urging means accumulates the urging force during the sliding process of the movable body, the movable body is automatically slid by the accumulated urging force, and the rotating body of each unit is an actuating member. The force is also common in that it is rotated in the direction in which the urging force is accumulated in the urging means and also in the direction in which the urging force is released, under the load. Another feature is that, for example, by simply changing the number and arrangement of the operating members, the drawer's pull-in unit, the pull-in unit, and the pull-out unit of the main part of the invention can be used in common.

The invention's effect

[0012] In the first aspect of the present invention, the process of switching the movable body from the pull-in position to the pull-out direction and the process of switching from the pull-out position to the pull-in direction by the pull-in / withdrawing unit and the actuating member, Force Automatically slides in the pull-out direction and pull-in direction by the biasing force of the biasing means. As a structural feature, the pull-out unit can relatively easily and easily realize both the pull-in and pull-out auxiliary functions, and the biasing means accumulates and discharges the biasing force with the rotation of the rotating body, making it compact. The point power can also be expanded.

In the second aspect of the present invention, for example, as shown in FIGS. 6 (a) to 6 (d), the second member of the actuating member strikes the rotating body in the process of pulling out the movable body, and biasing means The rotating body can be rotated in the direction in which the urging force is discharged, and the rotating body can be rotated in the direction in which the urging means accumulates the urging force by hitting the rotating body in the process of pulling the movable body. On the other hand, in the third aspect of the present invention, for example, as shown in FIGS. 6 (a) to (e), the second member of the operating members urges against the rotating body in the process of pulling out the movable body. This is the same as claim 2 in that the rotating body can be rotated in the direction of releasing the biasing force of the means, but the third member hits the rotating body in the final manual operation to pull out the movable body, and the biasing force is applied to the biasing means. The rotating body in the direction of accumulating again Make it pivotable. Thus, according to the invention of claim 1, the timing and timing of automatically sliding the movable body using the biasing force can be varied according to the number and arrangement of the actuating members.

In the fourth aspect of the present invention, the retractable unit and the actuating member can automatically slide in the retracting direction by the process of switching the movable body from the retracted position to the retracting direction, that is, the energizing force of the intermediate position force biasing means. From this point, the usability of the application device can be improved. On the other hand, according to the fifth aspect of the present invention, the process of switching the movable body from the retracted position to the pulling direction by the pulling unit and the actuating member, that is, the sliding force in the pulling direction automatically by the biasing force of the intermediate position force biasing means. From this point, the usability of the application device can be improved.

[0015] In a preferred aspect of the present invention, it is possible to easily carry out the placement force on the case of the coil spring that is the rotating body and the urging means. In another preferred embodiment of the present invention, the construction force of the latch means can be easily implemented. On the other hand, in another preferred aspect of the present invention, a regulating means for regulating the rotation range of the rotating body is specified. The restricting means may be constituted by, for example, a guide groove provided on the case side and a pin (projection) provided on the rotating body side and sliding in the guide groove in a state of being fitted in the guide groove. !

[0016] In another preferred embodiment of the present invention, the damper is braked through the rotating body by the damper so that the movable body does not slide rapidly, thereby improving the usability of the application device. In another preferred aspect of the present invention, the damper is braked only in the process in which the movable body is slid by the urging means, thereby reducing the load when the movable body is slid manually. Reduce and improve reliability.

Brief Description of Drawings

[0017] [Fig. 1] (a) and (b) are a side view and a bottom view schematically showing an arrangement example of each unit and operation member when the sliding assist device of the present invention is applied to a drawer device or the like. is there.

FIG. 2 is a schematic external view of each unit constituting the sliding assist device.

FIG. 3 (a) and (b) are a top view and a side view showing a unit of the sliding assist device.

[Fig. 4] (a) and (b) are top views of the unit with the cover removed, and BB in Fig. 3 with the rotating body rotating counterclockwise (a). FIG.

[FIG. 5] (a) and (b) are a cross-sectional view taken along the line C-C and a cross-sectional view taken along the line A-A in FIG.

[FIG. 6] (a) to (e) are schematic views showing application examples of the sliding assist device. [Fig. 7] (a) and (b) are schematic views showing the main part of the apparatus in the state of Fig. 6 (a).

[Fig. 8] (a) and (b) are schematic views showing the main part of the apparatus in the states of Figs. 6 (b) to (c).

[Fig. 9] (a) and (b) are schematic views showing the main part of the apparatus in the state of Fig. 6 (d).

[Fig. 10] (a) and (b) are schematic diagrams when the main part of the device is slid in the closing direction of the movable body in Fig. 6 (e).

[FIG. 11] (a) to (d) are schematic views showing an example in which the sliding assist device is used as a pull-in device.

[FIG. 12] (a) to (d) are schematic views showing an example in which the sliding assist device is used as a drawer-only device.

13] (a) and (b) are reference diagrams for explaining the device of Patent Document 1. [FIG.

BEST MODE FOR CARRYING OUT THE INVENTION

The best mode of the present invention will be described with reference to the drawings. In the drawings, FIGS. 1 (a) and 1 (b) show examples of applications of the sliding assist device of the present invention, and FIGS. 2 to 5 (b) show the configuration of the sliding assist device. 6 (a) to 6 (e) show examples of the operation of the sliding assist device, and FIGS. 7 (a) to 10 (b) show the sliding assist device in the middle stage of FIG. Figures 11 (a) to (d) show examples of the configuration when the above sliding assist device is used as a dedicated pull-in device, and Figs. 12 (a) to (d) show the sliding assist device as a dedicated pull-out device. The example of a structure in the case of using is shown. In the following description, the application of the device of the present invention is outlined, and then the device structure and its operation shown in FIGS. 1 to 10 (b), the device structure and its operation shown in FIGS. 11 (a) to (d), and FIG. ) To (d) The device structure and its operation will be described in detail in this order. 6 (a) to (e), ll (a) to (d), and FIGS. 12 (a) to (d) are marked only on the main members, but the details show the corresponding parts. See also or explanation.

(Use of Invention Device) The sliding assist device of the present invention comprises any one of the drawing-out unit 1, the drawing unit 1A, the drawing unit IB, and the operating member (first member 10, second member 11, second 3 members), and assists the operation when sliding the movable body 7 with respect to the device body 8. FIGS. 1 (a) and 1 (b) schematically show examples of the device body 8 and the movable body 7. FIG. The device main body 8 may be anything such as a desk, furniture, kitchen, and copying machine as long as it has a storage space for a force movable body that is a storage device that forms a space portion that is open to the front. The movable body 7 is assumed to be a drawer or tray for storing goods, and a guide tray provided in the space of the device body 8. It is slidable between the pull-out position and the pull-in position along the line 9 and the like. In this example, any one of the drawing / drawing unit 1, the drawing unit 1A, and the drawing unit IB is attached to the movable body 7, and the drawing unit is drawn into the space of the device body 8 correspondingly. In this case, a total of three actuating members, the first member 10 to the third member 12 (for example, the mode in which the movable body 7 slides in the range of FIGS. 6 (a) to (e)), or the first member 10 And the second member 11 in total (for example, the mode in which the movable body 7 slides in the range of FIGS. 6 (a) to (d)) is attached. In the case of the retracting unit 1A and the pulling unit 1B, FIG. As shown in FIGS. 12A to 12D and the examples of FIGS. 12A to 12D, the first member 10 is attached as an operating member. The drawing-in unit 1A and the drawing-out unit 1B can be used as the drawing-in unit 1 as they are, but the drawing-in unit 1 may be simplified as will be described later.

[0020] (Device structure of Fig. 1 (a) to Fig. 10 (b)) In this sliding assist device, the drawer 'retraction unit 1 is attached to the bottom surface side of the movable body 7, and the first member 10, Three of the second member 11 and the third member 12 or two of the first member 10 and the second member 11 as the actuating members are attached to the corresponding portions of the space portion of the device main body 8. Here, the drawer / retraction unit 1 includes a rotating body 2 that is rotatably supported, a regulating means 3 that regulates a rotation range of the rotating body 2, and a biasing force that accompanies the rotation of the rotating body 2. A coil spring 4 as a biasing means for releasing or releasing, a latch means 5 for releasably locking the rotating body 2 with the biasing force accumulated in the coil spring 4, and a damper 6 for braking. These are built into Case 15. Details are as follows.

[0021] As shown in FIGS. 2 to 5 (b), the case 15 has a generally ship shape with the upper side substantially open, and the upper opening is closed by a cover 19. Further, the case 15 is partitioned by the left and right side surfaces 16 and the front and rear end surfaces 17 and the bottom surface 18, and communicates to the outside through a substantially rectangular opening 16 a provided opposite to the both side surfaces 16 and 16. The cover 19 is placed on the upper side of the case as shown in FIG. 5 (b) against the force case 15 (not shown), and a corresponding boss (omitted) with a plurality of screws protruding from the case. It is attached by being locked. The cover 19 is provided with a plurality of holes 19a that allow a spring locking pin 15e to be described later to protrude.

[0022] Inside the case 15, a latch means support portion 15a provided on one side of the front side or the rear side, and a coil spring latching portion 15b provided on the other side, are provided approximately in the front and rear. Was Bearing part 15c for rotating body, and a concave arc groove (not shown) provided at two locations around the bearing part 15c (this arc groove is located on the lower surface side of rotating body 2 as shown in Fig. 5 (a)). And the damper mounting portion 15f provided between the circular arc groove and the latching portion 15b are projected on the bottom surface 18 respectively. ing. Note that the latching portion 15b has a small block shape, and has a plurality of holes (three holes in this example) provided on the upper surface of the block in the front-rear direction as shown in FIGS. 4 (a) and 4 (b). Have. A pin 15e is attached to one of the holes, and one end 4a of the coil spring 4 is locked to the pin 15e. The plurality of holes can adjust the urging force of the coil spring 4 by making it possible to select a hole for mounting the pin 15e. Reference numeral 15g is a boss projecting from the front and rear of the case 15, and is used for positioning when it is disposed on the bottom surface side of the movable body 7.

[0023] As shown in FIGS. 4 (a) to 5 (b), the rotating body 2 is positioned on a circle centering on the shaft hole 20, and has three fan-shaped wings projecting in the circumferential direction. 21 to 23, a gear portion 24 centered on the shaft hole 20 on the lower surface side, and two arc grooves 25 on the outside of the gear portion 24 are integrally formed. The wing part 21 and the wing part 22 are provided at positions displaced 180 degrees across the shaft hole 20, and both the upper surface side is formed with a step having a lower outer peripheral side, and the upper side in FIG. 4 is formed thicker than the lower side. ing. The wing portion 21 is provided with a recessed portion 26 that is an engaged portion of the latch means 5 on the outer peripheral surface, and a latching portion 27 that locks the other end 4b of the coil spring 4 is provided closer to the center. ing. The wing part 23 is located between the wing part 21 and the wing part 22 and is partitioned through the groove part 21a or the groove part 22a provided in the radial direction, and is formed thinner than the wing parts 21 and 22. . On the upper surface of the wing 23, there are disposed a projecting portion 23a projecting integrally on the outer peripheral side and an arm 28 assembled so as to be swingable.

The arm 28 is pivotally supported on the wing 23 via the shaft 29 on the base end side, and is urged by the urging spring 30 toward the protrusion 23a. For this reason, the arm 28 has a normal state in which the tip end is in contact with the protruding portion 23a, and, for example, the movable body 7 is pushed in the retracting direction from the maximum pulling position in FIG. As shown in FIG. 10 (a), a second member 11 enters the gap between the protruding portion 23a and the proximal end of the arm 28 as shown in FIG. The rotating body 2 is allowed to pass through without being rotated, with swinging against the biasing force of the biasing spring 30 with 29 as a fulcrum. That is, in this configuration, the rotating body 2 is shown in FIG. In this state, the rotating body 2 is prevented from being inadvertently rotated by the load of the second member 11 when the whole is powered rightward in the figure. The urging spring 30 is supported by a boss provided on the wing part 23 at an intermediate winding part, one end is locked to a step part between the wing part 21 and the other end expresses urging force. In this state, it is in contact with the back side of the arm 28.

[0025] As shown in Fig. 5 (b), the above rotating body 2 is in a state in which the bearing portion 15c is threaded through the shaft hole 20, and the screw 124 is screwed into the bearing portion 15c via a washer or the like to prevent it from coming off. Thus, it is pivotally supported with respect to the bearing portion 15c of the case 15. At that time, the two gears 31, 32 and the urging member 33 constituting the regulating means 3 are incorporated, and the damper 6 is also incorporated. Among them, the damper 6 is formed with a plurality of teeth or protrusions on the outer periphery and filled with hydraulic oil V, and is supported rotatably with respect to the main body 35 and receives the resistance of the hydraulic oil. A braking shaft 36 and a gear 37 attached to the braking shaft 36. The damper 6 is assembled in a state where the main body 35 is attached to the arrangement portion 15f on the bottom surface side of the case. In FIG. 5 (b), the damper 6 is schematically shown.

[0026] On the other hand, the restricting means 3 includes the gear portion 24 of the rotating body 2, arc grooves provided on the bottom surface of the case and the rotating body 2, and two slides along each arc groove. The gears 31, 3 2 and the biasing member 33 are included. The gears 31, 32 have shaft portions 31a, 32a at the centers of the upper and lower surfaces, respectively, and the upper and lower shaft portions 31a, 32a are provided on the corresponding circular grooves 25 of the rotating body 2 and the case bottom surface 18 described above. ^ A is inserted into the arcuate groove

. Then, the gears 31 and 32 can slide along the upper and lower circular arc grooves in a state where they are in contact with the gear portions 24 on the lower surface side of the rotating body 2. The urging member 33 has an intermediate winding portion 33 a provided at the center of the rotating body 2, and the bearing portion 15 c is interpolated and wound around the outer periphery of the cylindrical portion. One end is hooked on the shaft portion 31 a of the gear 31. The other end is hooked on the shaft portion 32a of the gear 32 in a state where an urging force is developed.

In the restricting means 3 described above, for example, when the rotating body 2 is rotated clockwise from the state shown in FIG. 5 (a), the gear 31 is controlled in one end of the one circular groove on the case side. The gear 32 also slides toward the other end of the other arc groove on the case side through the shaft portion 32a. When the rotator 2 is also rotated counterclockwise as shown in FIG. 5 (a), the gear 31 is restricted via one end of the other arc groove on the case side and the gear 31 is connected via the shaft portion 31a. Other on the case side One end force of the rectangular arc groove also slides toward the other end. In this way, the rotating body 2 is restricted by the restricting means 3 so that the state force of FIG. 5A is also rotated forward and reverse by a predetermined angle, and the rotation of the rotating body 2 is braked by the damper 6. . This braking action is performed only when the gear 31 or Z and the gear 32 are engaged with the gear 37 of the damper 6, that is, only when the rotating body 2 is rotated by the urging force of the coil spring 4 as the urging means. Works effectively.

[0028] It should be noted that the above regulating means 3 may be simplified as necessary. As an example, it is composed of the arc groove provided on the case side described above and a pin (protrusion) provided on the rotating body side and sliding in the arc groove in a state of being fitted to the arc groove. Also good. In this case, for example, the damper 6 is attached to the bottom surface of the case that does not interfere with the pin (protrusion), and the gear 37 is engaged with the gear portion 24 of the rotating body 2.

[0029] The latch means 5 releasably locks the rotating body 2 in a state where the coil spring 4 accumulates the urging force, and engages and disengages with the recess 26 which is the engaged portion described above. It is composed of a joint member 40 and a coil-type biasing spring 41. That is, the support portion 15a described above has a boss 38 protruding from the end surface 17 toward the arrangement space while partitioning the arrangement space between the opposing walls as shown in FIGS. 4 (a) and 4 (b). Yes. The biasing spring 41 is supported by the boss 38. The engaging member 40 is substantially U-shaped, and has a convex portion 40a formed in the middle portion of the U-shape. The engaging member 40 is slidably incorporated in the arrangement space, and the free end of the biasing spring 41 is connected to the inside. The For this reason, when the engaging member 40 is pushed against the urging force of the urging spring 41, the engaging member 40 is retracted into the arrangement space of the support portion 15a, and when the load is released, the engagement member 40 becomes a projecting state again. 40a can freely engage with the recess 26 of the rotating body 2.

[0030] Note that the above latch means 5 may be simplified if necessary. Further, the latch means 5 itself can be omitted as the pull-in unit 1A and the pull-out unit 1B. The reason is as follows. That is, in the case of the drawing / retracting unit 1, the rotating body 2 is rotated approximately 180 degrees so that the forces in FIGS. 6 (a) to (e) are also estimated, and the concave portion 26 is the convex portion 40 of the engaging member 40. From the locked state engaged with a, it is set so that it can be rotated approximately 90 degrees clockwise and counterclockwise by releasing the lock. In contrast, in the case of the pull-in unit 1A and the pull-out unit 1B, the rotating body 2 is rotated by approximately 90 degrees so that the forces shown in FIGS. 11 (a) to 11 (d) and FIGS. Of the restricting means that restricts the rotation range of the rotating body 2 described above. By setting the groove shape, the rotating body 2 can be configured to switch between two positions, that is, the state in which the coil spring 4 has accumulated the biasing force and the state in which the coil spring 4 has completely released the biasing force. is there.

(Operation) FIGS. 1 (a), (b) and FIGS. 6 (a) to (e) show an example in which the sliding assist device of the present invention is constituted by a pull-out / retraction unit 1 and an operation member. The actuating member has an aspect composed of three members, a first member 10, a second member 11, and a third member 12, and an aspect composed of two members, the first member 10 and the second member 11. The former is a mode in which the movable body 7 is slid to the normal drawing position shown in FIG. 6 (d) and further to the maximum drawing position shown in FIG. 6 (e). The latter is, for example, a mode in which the movable body 7 is slid from the retracted position of FIG. 6 (a) to the extracted position of FIG. 6 (d). Here, each of the members 10 to 12 which are actuating members has a pin or shaft suitable for rotating the rotating body 2 against the wings 21 to 23 of the rotating body 2, and protrudes from the mounting bracket. It is arranged at the design position of the device body 8 via the bracket. In this example, as can be inferred from FIGS. 1 (a) and 1 (b), the first member 10 and the second member 11 are disposed downward on one side of the arrangement space of the device body 8, and the third member 12 is disposed on the device body. Arranged upward in the middle of the left and right of the 8 placement spaces. The first member 10 is set slightly longer than the second member.

(1) In FIG. 6, (a) is in the retracted position where the movable body 7 is housed in the space of the device body 8. In this closed state, as shown in FIGS. 7 (a) and 7 (b), the rotating body 2 is not restricted by the latch means 5, and the coil spring 4 releases the urging force almost completely. The rotating body 2 is close to the force with which the first member 10 is in contact with the end face of the wing part 22 (that is, the outlet end face of the groove part 22a). For this reason, in this structure, when the movable body 7 is subjected to stress in the pull-out direction due to vibration or the like, the rotary body 2 hits the first member 10 and becomes unrotatable due to the resistance of the coil spring 4, thereby Inadvertent withdrawal is prevented. Further, in this state, as shown in FIG. 7B, the gear 31 and the gear 32 connected via the biasing member 33 are located at the groove end portions in the same direction of the respective arc grooves 25, and the gear 32 is the damper. It meshes with 6 gear 37.

(2) FIG. 6 (b) shows a state in which the movable body 7 is slightly pulled in the pull-out direction. In this process, the rotating body 2 comes into contact with the first member 10 by sliding the movable body 7 in the pulling direction, While being rotated in the clockwise direction by the stress received from the first member 10, the coil spring 4 is stretched along with the rotation of the rotating body 2 to accumulate urging force. When the rotating body 2 is rotated by approximately 90 degrees, the rotating body 2 is separated from the first member 10, and the concave portion 26 is engaged with the convex portion 40a of the latch means 5 in detent. Figures 8 (a) and 8 (b) schematically show this engagement (locked state). In this state, as shown in FIG. 8 (b), while the urging force of the urging member 33 is increased, the gear 31 and the gear 32 are positioned at the groove ends closest to each other among the arc grooves 25, and the gear 31 and Both gears 32 are separated from gear 37 of damper 6. This state continues until Figure 6 (c). That is, in this structure, the damper 6 is not braked in the process of sliding the movable body 7 in the pull-out direction by manual operation!

(3) FIG. 6 (c) shows a state immediately before the movable body 7 is pulled in the pulling direction and the rotating body 2 hits the second member 11. The rotating body 2 receives stress in the clockwise direction when the wing 23 comes into contact with the second member 11, and the concave portion 26 is disengaged from the convex portion 40a. Fig. 8 (a) also schematically shows the process of releasing the engagement.

(4) The movable body 7 automatically slides in the drawing direction by the urging force stored in the coil spring 4 when the rotating body 2 is disengaged as described above during the drawing. Is done. FIGS. 6 (d) and 9 (a) and 9 (b) show the state after the movable body 7 is slid in the pull-out direction by the urging force. In this structure, the rotating body 2 hits the second member 11 and the concave portion 26 is disengaged from the convex portion 40a. At the same time, the gear 32 meshes with the gear 37 of the damper 6, and the gears mesh with each other. In this manner, while the movable body 7 is slid by the urging force of the coil spring 4, it is slid gently by the braking of the damper 6.

[0036] (5) 06 (e) shows a state in which the movable body 7 is further pulled out from the normal pull-out position of (d) to the maximum by manual operation. In this drawing process, the rotating body 2 is rotated in the counterclockwise direction by the stress received when the rotating body 2 comes into contact with the third member 12 via the wing 22, and the coil spring 4 is It is stretched along with the rotation and accumulates the urging force. When the rotating body 2 is rotated in the counterclockwise direction by approximately 90 degrees, the rotating body 2 is separated from the third member 12 and the recessed portion 26 is detent engaged with the protruding portion 40 a of the latch means 5. Figures 10 (a) and 10 (b) schematically show this engagement (locked state). In this state, as shown in FIG. 10 (b), the urging force of the urging member 33 is increased, and the gear 31 and the gear 32 are the grooves closest to each other among the circular arc grooves 25. The gear 31 and the gear 32 are both separated from the gear 37 of the damper 6 while being located at the end. In other words, in this case, the damper 6 is not braked.

(6) When retracting the movable body 7 again, first, when the state force shown in FIG. 6 (e) is pushed, the drawer-retraction unit 1 (rotary body 2) is connected to the third member 12 and the second member 11. It is drawn to the state shown in Fig. 6 (b) without being affected. When the drawer / retraction unit 1 passes through the second member 11, as shown in FIG. 10 (a), the second member 11 enters from the gap between the protruding portion 23a and the proximal end side of the arm 28. As the arm 28 swings against the urging force of the urging spring 30, the rotator 2 can pass through the second member 11 without rotating. Then, when the concave portion 26 is disengaged from the convex portion 40a of the latch means 5 due to the stress that the rotating body 2 receives from the first member 10 during the drawing of FIG. By the urging force stored in the spring 4, it is automatically slid to the retracted position shown in Fig. 6 (a).

[0038] (7) By the way, the above-described sliding assist device may be constituted by two members, ie, the first member 10 and the second member 11 as operation members. In that case, when the movable body 7 is drawn again, the state force of FIG. 6 (d) is also pushed. That is, in that configuration, the rotating body 2 is rotated in the counterclockwise direction as shown in FIG. 6 (c) by the stress received when the rotating body 2 comes into contact with the second member 11 by the pressing operation of the movable body 7, The coil spring 4 is extended with the rotation of the rotating body 2 and accumulates the urging force. When the rotating body 2 is rotated in the counterclockwise direction by approximately 90 degrees, the rotating body 2 is separated from the second member 11, and the concave portion 26 is detent engaged with the convex portion 40 a of the latch means 5. The subsequent steps are the same as described above.

[0039] (Fig. 11 (a) to (d) device structure and operation thereof) The sliding assist device in Figs. 11 (a) to (d) operates with the above drawing / drawing unit 1 as the drawing unit 1A. This is an example in which the first member 10 as a member is configured as a pull-in dedicated device. In other words, the pull-in unit 1A may be the pull-in / draw-in unit 1 itself, or may have a configuration in which the latch means 5 of the pull-out / pull-in unit 1 is omitted as described above. In contrast, the actuating member is the first member 10 or something similar.

(1) In FIG. 11, (a) is at the retracted position where the movable body 7 is housed in the space of the device body 8. In this closed state, as shown in FIGS. 7 (a) and 7 (b), the rotating body 2 is not restricted by the latch means 5, and the coil spring 4 releases the urging force almost completely. (2) FIG. 11 (b) shows a state in which the movable body 7 has been slightly pulled in the pull-out direction. In this process, the rotating body 2 comes into contact with the first member 10 by sliding the movable body 7 in the pull-out direction, and is rotated in the clockwise direction by the stress received from the first member 10, and the coil spring 4 Is extended with the rotation of the rotating body 2 and accumulates the urging force. When the rotating body 2 is rotated by approximately 90 degrees as shown in FIG. 11 (c), the rotating body 2 is separated from the first member 10, and the concave portion 26 is detent engaged with the convex portion 40a of the latch means 5. FIG. 11 (d) shows a state in which the movable body 7 is pulled in the pulling direction in that state!

(3) When retracting the movable body 7 again, first, when the state force of FIG. 11 (d) is also pushed, the movable body 7 is in the middle of being retracted in FIG. When the concave portion 26 is disengaged from the convex portion 40a of the latch means 5 due to the stress received from the member 10, thereafter, the pulling direction of FIG. 11 (b) is automatically performed by the urging force stored in the coil spring 4. Is slid. The movable body 7 is also slid to the final retracted position (a) by manual operation. Of course, the structure is not limited to this example. For example, the first member 10 and the rotating body 2 are set to be the retracted position of the movable body 7 in the state shown in FIG. 10 and the rotating body 2 may be set so as to be the extraction position of the movable body 7 in the state of FIG. 11 (c). In other words, in the relationship between the first member 10 and the rotating body 2, FIG. 11 (b) is a setting example of the retracted position of the movable body 7, and FIG.

[0043] (Fig. 12 (a) to (d) device structure and its operation) The sliding assist device of Fig. 12 (a) to (d) operates with the above drawing / drawing unit 1 as the drawing unit 1B. This is an example in which the first member 10 as a member is configured as a drawer-only device. In other words, the drawer unit 1B may be the drawer / draw-in unit 1 itself, or may have a configuration in which the latch means 5 of the drawer / draw-in unit 1 is omitted as described above. In contrast, the actuating member is the first member 10 or something similar.

(1) In FIG. 12, (a) is at the retracted position where the movable body 7 is housed in the space of the device body 8. In this closed state, the coil spring 4 is extended to the maximum to accumulate the biasing force V, and the rotating body 2 engages the concave portion 26 and the convex portion 40a.

(2) FIG. 12 (b) shows a state immediately before the movable body 7 is slightly pulled in the pulling direction and the rotating body 2 hits the first member 10. Here, the rotating body 2 has the wing 23 as the first member. The concave portion 26 is disengaged from the convex portion 40a in response to the stress in the clockwise direction when coming into contact with 10. The movable body 7 is automatically slid in the drawing direction by the urging force stored in the coil spring 4 when the rotating body 2 is disengaged as described above during the drawing. FIG. 12 (c) shows the state after the movable body 7 is slid in the pull-out direction by the urging force, and FIG. 12 (d) shows the state in which the movable body 7 is further pulled in the pull-out direction. .

(3) When retracting the movable body 7 again, first, when the state force of FIG. 12 (d) is also pushed, the movable body 7 is in the middle of being retracted in FIG. The member abuts against the member 10 and is rotated in the counterclockwise direction by the stress received from the first member 10, and the coil spring 4 is extended as the rotating body 2 rotates to accumulate the urging force. To do. When the rotating body 2 is rotated by approximately 90 degrees as shown in FIG. 12B, the rotating body 2 is separated from the first member 10 and the concave portion 26 is detent engaged with the convex portion 40a of the latch means 5. The movable body 7 is slid to the final retracted position (a) by manual operation. Of course, the structure is not limited to this example. For example, the first member 10 and the rotating body 2 are set to be the retracted position of the movable body 7 in the state shown in FIG. The member 10 and the rotating body 2 may be set so as to be at the drawing position of the movable body 7 in the state shown in FIG. In other words, in the relationship between the first member 10 and the rotating body 2, FIG. 12B is a setting example of the retracted position of the movable body 7, and FIG.

[0047] The sliding assist device according to the present invention is of course not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the present invention. Further, the sliding assist device of the present invention is not particularly restricted in application.For example, if the movable body is a lid, the retracting position has the same meaning as the closed position arranged at a predetermined position of the main body, and the drawing position is It has the same meaning as the open position where the predetermined force of the main body leaves. It should be noted that the entire contents of the specification, claims, drawings and abstract of Japanese Patent Application No. 2006-099188, filed on March 31, 2006, are hereby incorporated herein by reference. As it is incorporated.

Claims

The scope of the claims

[1] In a sliding assist device that assists the operation of pulling the movable body from the pull-out position of the main body and the operation of pulling out the pull-out position from the main body.

A rotating body that is provided on the movable body side and is rotatably supported; a restricting means that regulates a rotation range of the rotating body; and a biasing force that accumulates and releases as the rotating body rotates. A drawing-in unit having a biasing means, and a latch means for releasably locking the rotating body in a state where the biasing means accumulates a biasing force;

Provided on the main body side, in the process of sliding the movable body from the retracted position to the pulling direction and from the pulling position to the retracting direction, the urging means hits the rotating body in the direction in which the urging force is accumulated. The rotating body can be rotated and locked in the direction to release the locking of the latch means by rotating the body, and the movable body can be rotated by the accumulated urging force. An actuating member that is slidable in the pull-out direction

A sliding assist device characterized by comprising:

[2] In the process of sliding the movable body in the pulling position force pulling direction, the actuating member makes the rotating body turnable in a direction in which the biasing means hits the rotating body and accumulates the biasing force. 2. The sliding device according to claim 1, comprising: one member and a second member that allows the rotating body to rotate in a direction in which the accumulated urging force is released when it hits the rotating body. Auxiliary device.

[3] In the process of sliding the movable body in the pulling position force pulling direction, the actuating member makes the rotating body turnable in a direction in which the biasing means hits the rotating body and accumulates the biasing force. A first member, a second member that allows the rotating body to rotate in a direction in which the accumulated biasing force is released by hitting the rotating body, and a direction in which the biasing means accumulates the biasing force again by hitting the rotating body 2. The sliding assist device according to claim 1, comprising a third member that enables the rotating body to turn to V.

[4] In the sliding assist device that assists in pulling the movable body in the pull-out position force of the main body,

A rotating body that is provided on the movable body side and is rotatably supported; a restricting means that regulates a rotation range of the rotating body; and a biasing force that accumulates and releases as the rotating body rotates. A retracting unit having a biasing means,

The movable body is provided on the main body side so as to be able to turn the rotary body in a direction in which the biasing means accumulates a biasing force by hitting the rotary body in the process of pulling out the movable body from the bowing position. A pulling position force, and an actuating member that makes the movable body slidable in the pulling position from the pulling position or midway position by the accumulated biasing force against the rotating body in the process of pulling

A sliding assist device characterized by comprising:

[5] In the sliding assist device that assists in pulling the movable body in the pull-in position force of the main body in the pull-out direction,

A rotating body that is provided on the movable body side and is rotatably supported; a restricting means that regulates a rotation range of the rotating body; and a biasing force that accumulates and releases as the rotating body rotates. A drawer unit having a biasing means,

Provided on the main body side, in the process of pulling the movable body from the pull-out position, the rotary body can be rotated in a direction in which the biasing means hits the rotary body and accumulates the biasing force, and the movable body is retracted. An actuating member that makes the movable body slidable in a retracted position or an intermediate position force withdrawing direction by the accumulated biasing force against the rotating body in the process of pulling out the position force;

A sliding assist device characterized by comprising:

[6] In the sliding assist device according to any one of claims 1 to 5, the rotating body and the urging means are arranged in a case, and the rotating body is rotatable in the case. An opening force provided on the side wall of the case in a supported state; and an outer peripheral wing portion that protrudes outwardly and can come into contact with the operating member, and the biasing means has one end at the latching portion in the case A sliding assist device characterized by being a coil spring that is locked to the rotating body and has the other end locked to the rotating body.

[7] The sliding assist device according to any one of claims 1 to 3, wherein the rotating body, the urging means, the latching means, and the like are arranged in a case, and the latching means is the rotating body. A sliding member comprising: an engaged portion provided on an outer periphery of the member; and an engaging member provided in the case and engaged with and disengaged from the engaged portion through extension and contraction of a biasing spring. Movement Auxiliary device.

[8] The sliding assist device according to any one of claims 1 to 5, wherein the rotating body and the urging means are arranged in a case, and the restricting means is provided on the rotating body. A rotating section, two arc grooves provided on the case and substantially concentric with the rotating body, two gears slid along the arc grooves, and a substantially intermediate winding section. And a biasing member having one end locked to one of the gears and the other end locked to the other of the gears while being supported by the pivot portion.

[9] In the sliding assist device according to any one of claims 1 to 5, the rotating body, the biasing member, and the like are arranged in a case, and the sliding body of the movable body is provided in the case. A sliding assist device comprising a damper that brakes a moving speed via the rotating body or the like.

[10] The sliding assist device according to claim 8 and 9, wherein the damper according to claim 9 has a gear mounted on a brake shaft, and the gear of the damper is stabbed with the gear according to claim 8. The sliding assist device is characterized by being able to brake only when the rotating body is rotated by the biasing means.