JP5417603B2 - Automatic retractor and drawer guide - Google Patents

Description

  The present invention relates to an automatic pull-in device for movable furniture parts guided by the pull-out rail described in the preamble of claim 1 and a drawer guide for the drawer, furniture drawer portion, etc. described in the preamble of claim 13.

  Automatic retractors and drawer guides with automatic retractors are known in many embodiments.

  Automatic retraction devices are used to reliably retract movable furniture parts guided by drawer rails to a closed position. In particular, in the case of furniture parts that are movably attached to the furniture base by so-called "all extendable drawers", when manipulating the progression of the drawer profile, i.e. the mutual displacement of the running rail, intermediate rail and guide rail, As a result of the mutual misalignment of the profiles due to the heavy articles housed in the movable furniture parts, a problem arises that the drawer can be used.

  Conventionally known automatic retraction devices and drawer guides must have a very high actuation force required to pre-tension such automatic retraction devices, so that such movable furniture parts This results in another inconvenience that the user has to apply a great deal of force to pull the furniture part out of the furniture base.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to improve the operation of a drawer member and to improve convenience when operating a furniture component equipped with an automatic retracting device.

  This object is achieved by an automatic retracting device having the features of claim 1 and a drawer guide having the features of claim 13.

  Advantageous embodiments of the invention are the subject matter of the dependent claims.

  According to the present invention, the automatic retracting device includes a tension applying mechanism, and the tension applying mechanism is connected to at least one energy storage unit to synchronously stop or operate the tension applying mechanism. Is provided.

  By attaching such an automatic retracting device according to the present invention, the progress of the profile of the drawer can be adjusted. The drive unit effectively stops or activates the energy storage unit to effectively prevent misalignment.

  According to another embodiment of the present invention, the energy storage unit is provided in the form of a spring in which the first end is locked to the base and the second end is locked to one drive unit. As a result of this arrangement, the tension springs are arranged in parallel with each other, and therefore, when the tension is previously applied to the energy storage unit in the pull-out direction, it is only necessary to apply a force corresponding to one spring constant of the tension springs, As a result, the convenience of operation is greatly improved.

  Preferably, the drive unit is connected to a damper provided on the base body that attenuates the closing motion and applies a reaction force acting in a direction opposite to the direction of the closing force, shortly before reaching the final closing position. The damper ensures that the pull-out rail connected to the automatic pull-in device is pulled to the closed position at a low speed, so that no noise is generated when the pull-out rail hits the end stopper.

  According to another embodiment of the present invention, each of the dampers connected to at least one of the drive units is disposed in the regions on both sides of the base. As a result, the damping function for the guide rail and the traveling rail can be reliably adjusted individually.

  Preferably, the drive units are connected to each other by a gear control device. Thereby, the movement of the drawer | drawing-out guide connected with each corresponding drive part can be tied together reliably.

  According to another embodiment of the present invention, each drive unit is connected to a locking web member that is held displaceably along the base, and each drive unit is for locking the other drive unit at the stop position. Stop web material. As a result, only one of the drive parts is activated by the movement of the drawer rail connected to the one drive part, and the automatic withdrawal is performed before the other drawer rail reaches the operating position for operating the automatic withdrawal device. It is prevented from being activated already.

  By attaching an automatic pull-in device to the intermediate rail of the drawer guide for the drawer, the drawer portion, etc., the movement of the intermediate rail on the guide rail and the travel rail on the intermediate rail can be adjusted.

  Hereinafter, the present invention will be described based on some embodiments shown in the accompanying drawings.

FIG. 1 shows a perspective view of a first embodiment of an automatic retracting apparatus according to the present invention. FIG. 2 shows an exploded perspective view of the automatic retracting device of FIG. FIG. 3 shows a perspective view of a second embodiment of the automatic retracting apparatus according to the present invention. 4 shows an exploded perspective view of the automatic retracting device of FIG. FIG. 5 shows a perspective view of another embodiment of the automatic retractor according to the present invention. 6 shows an exploded perspective view of the automatic retracting device of FIG. FIG. 7 shows a perspective view of another embodiment of the automatic retraction apparatus according to the present invention. FIG. 8 shows an exploded perspective view of the automatic retracting device of FIG. FIG. 9 shows a perspective view of an embodiment of a drawer guide according to the present invention. FIG. 10 shows a different perspective view of an embodiment of the drawer guide according to the present invention. FIG. 11 shows a top view of the drawer guide of FIGS. 9 and 10. FIG. 12 shows a rear view of the drawer guides of FIGS. FIG. 13 shows a front view of the drawer guide of FIGS. FIG. 14 shows another perspective view of the drawer guide of FIGS. 9 and 10. 15 shows a perspective view of the drawer guide of FIGS. 9 and 10 at another position. FIG. 16 shows a perspective view of the drawer guide of FIGS. 9 and 10 at another position. FIG. 17 shows another perspective view of the drawer guide of FIGS. 9 and 10. FIG. 18 shows another perspective view of the drawer guide of FIGS. 9 and 10. FIG. 19 shows another perspective view of the drawer guide of FIGS. 9 and 10. FIG. 20 shows another perspective view of the drawer guide of FIGS. 9 and 10.

  1 to 8 show various embodiments of automatic retractors 100, 200, 300, 400 for movable furniture parts guided by drawer rails, in particular drawers, drawers and the like. These automatic retracting devices 100, 200, 300, and 400 are all disposed on the bases 101, 201, 301, and 401 and the bases 101, 201, 301, and 401, and tension is applied when the movable furniture parts are opened. Energy storage that can be used to assist the retraction of the stored energy to the final closing position during the closing process, and tension is applied to the energy storage in advance by connecting to the movable furniture parts up to a predetermined opening position. And a tension applying mechanism that automatically disconnects when the predetermined opening position is exceeded, and stops the energy storage section to which tension is applied in advance at this position. According to the present invention, the tension applying mechanism includes two driving units 109, 113, 207, 208, 305, 306, 405, and 406 that are coupled to the energy storage unit and synchronously stop the tension applying mechanism. .

  In the embodiment shown in FIGS. 1 and 2, the automatic retracting device 100 is substantially lockable to the base body 101 provided with the locking hooks 117 and 118 on the top surface and the bottom surface, and the locking hooks 117 and 118, respectively. It consists of three components, two independent housings 104 and 105, and one drive unit 109 and 113 is mounted in the housing 104 and 105, respectively. These housings 104 and 105 are provided with one of their side surfaces opened. Drive parts 109 and 113 held in the housing protrude from the open side surfaces of the respective housings 104 and 105. Since the drive parts 109 and 113 are provided so that the sides protruding from the housings 104 and 105 can be connected to the operating parts 7 and 8 as shown in FIG. 15, for example, when the movable furniture part comes out of the closed position, the housing 104 , 105. The base body 101 is attached to the intermediate rail 4. The operating unit 7 is provided on the traveling rail 3, and the operating unit 8 is provided on the guide rail 5.

  Two tension springs (not shown in FIGS. 1 and 2) are locked to the drive units 109 and 113 as energy storage units, and the other ends of the tension springs are attached to the base 101 at the receiving unit 121. ing. As a result, when the movable furniture part comes out of the closed position, tension is simultaneously applied to both tension springs. In order to lock these tension applying positions, the drive units 109 and 113 are provided in the L-shaped link guides 112 and 116 in the housings 104 and 105 via guide pins 110, 111, 114 and 115 provided in the drive unit. Be guided by. The protruding guide pin 114 is fitted into the opening 122 of the rack 107, and the protruding guide pin 111 is fitted into the opening 123 of the rack 106. As soon as the guide pins 110, 115 closer to the L-shaped short portion of the link guides 112, 116 of the driving portions 109, 113 are slidably fitted to the L-shaped short portions of the link guides 112, 116, the driving is performed. The parts 109 and 113 are tilted in the housings 104 and 105, and the operating parts 7 and 8 connected to the driving parts 109 and 113 are disconnected from the driving parts 109 and 113, so that they are connected to the operating part 7. While the traveling rail 3 can be displaced in the direction of the maximum open position in the disconnected state, the energy storage unit is fixed in a fully pulled state. At the same time, the intermediate rail 4 moves together with the travel rail 3 with respect to the guide rail 5 connected to the operating portion 8. Thereby, the energy storage part related to the operation part 8 is also completely pulled and fixed. When the traveling rail 3 is returned to the closed position again, the connection between the operation unit 7 and the drive unit 113 and the connection between the operation unit 8 and the drive unit 109 are reproduced. It can be used as an aid to retract the part to its final closed position. Only when both actuating parts 7, 8 are again engaged with the drive parts 109, 113, the system is activated and the automatic retracting device 100 is activated, which causes the withdrawal guide 1 to close. . This effectively prevents or corrects travel errors in the form of box misalignment.

  In one embodiment, each drive is provided with a single damper 102, 103 provided on the base body that applies a reaction force that dampens the closing motion slightly before the final closing position and acts in a direction opposite to the direction of the closing force. It is further connected to.

  The base body 101 is attached to the intermediate rail 4. The housing 104 is attached to the base body 101 via a locking hook 117, and the housing 105 is attached to the base body 101 via a locking hook 118. A rack 106 is slidably guided in the slot 120 of the base 101, and a drive unit 109 is attached to the rack 106, and an opening 123 of the rack 106 is connected via a protruding guide pin 111. A rack 107 is slidably guided in the slot 119 of the base 101, and a drive unit 113 is attached to the rack 107, and an opening 122 of the rack 107 is connected via a protruding guide pin 114. A gear 108 is attached to the central position of the base 101 so as to run in the racks 106 and 107 and synchronize the system. The racks 106 and 107 are meshed with the gear 108 permanently.

  Each of the two racks 106 and 107 includes a mounting plate that can be attached to the corresponding housing 104 and 105 and one toothed web portion that stands perpendicular to the mounting plate. Since the web portions are opposed to each other, the gear 108 can mesh with both racks 106 and 107 simultaneously. Thereby, it is ensured that the displacement of the drive unit 109 always accompanies the displacement of the drive unit 113.

  In the embodiment of the automatic retracting apparatus 200 shown in FIGS. 3 and 4, both driving units 207 and 208 are connected to the same damper 202. In this embodiment, the base body 201 includes one flat portion at each end portion, and the drive units 207 and 208 are guided on the edge of the flat portion. The damper 202 is disposed between these two flat portions. The damper 202 is provided in a substantially cylindrical shape (similar to the dampers of the other embodiments), a fixed-length web portion 210 is provided from the end surface on the bottom side, and the damper 202 is provided on the end surface on the head side. Displaceable web portions 209 are provided, and the web portions 209 and 210 are connected to corresponding end surfaces facing the dampers of the drive portions 207 and 208 via ball joints. For this purpose, socket-like recesses in which spherical end portions of the damper web portions 209 and 210 are embedded are provided on end surfaces of the drive portions 207 and 208 facing the damper 202.

  The drive units 207 and 208 are pivotally attached to the locking web members 205 and 206 held displaceably along the base body 201 via joints 230 and 231, respectively. 208 lock web members 205 and 206 are restrained. The base 201 is provided with a guide web portion 219 that supports the locking web members 205 and 206 so as to be displaceable, and is preferably provided in an L-shape and is erected while being displaced from each other in a pair configuration. The locking web members 205 and 206 are disposed on the base member so as to be displaceable in the longitudinal direction of the locking web member or the base member. The locking web members 205 and 206 are dimensioned so that each of the locking web members 205 and 206 protrudes beyond the edge of the end surface of the base body 201 where the other drive unit is displaceably disposed to the position where the tension is not applied. When the drive portions 207 and 208 are moved to the stop position, the end portions of the locking web members 205 and 206 that have already protruded at the opposite end portions of the base member 201 are the base member 201. It is displaced to a position that is flush with the edge of the end face. For this purpose, as long as only one of the drive parts 207, 208 is moved from the stop position, the other side of the drive part 207, 208 facing the locking web connected to the other drive part respectively. Protrusions 211 and 214 are provided to prevent the end surfaces 227 and 228 of the locking web material connected to the drive unit from moving beyond the edge of the base 201.

  The guides on the base 201 of the drive units 207 and 208 are further supported by one bent groove 213 and 216 on the flat part of the base 201, and the grooves 213 and 216 have a guide on the drive units 207 and 208. Each corresponding guide pin 215 is inserted.

  In particular, as shown in FIG. 4, each of the tension springs 203, 204 has one end 221, 222 attached to a locking recess 224, 226 provided in the base body 201 for this purpose. 220 and 223 are connected to the corresponding driving portions 207 and 208 at the locking recess 217.

  5 and 6 show another embodiment. The base body 301 of the apparatus according to the present invention is also provided on the intermediate rail 4. In this case, the synchronization between the engagement of the operating parts 7 and 8 and the operation of the driving parts 305 and 306 necessary for the simultaneous operation of the automatic retracting device 301 is rotatably provided on the intermediate rail 4. Is carried out by gears meshing with racks fixed to each other over the entire length of the drawer on both sides (not shown). In this embodiment, the tension springs 303 and 304 are provided with a length corresponding to a path obtained by adding one of the drive units 306 and 305 and the damper 302 as a whole. In this embodiment, a locking recess 312 for locking one end 310, 313 corresponding to each of the tension springs 303, 304 is provided at both ends of the base 301.

  In the embodiment of the automatic retracting device shown in FIG. 7 and FIG. 8, the entire automatic retracting mechanism is partially provided on the intermediate rail 4, but is provided in the base body 401. Is provided as a housing that surrounds the gear 409 disposed between the damper 403, the two tension springs 410, 411, the racks 407, 408, and the racks 407, 408 from three sides, and the open side surface can be closed by the plate 402. It has become. For this purpose, the plate 402 is provided with two pins 422, 420 that fit into openings in the region of the base body 401 extending parallel to the plate 402. The plate 402 further includes a cylindrical pin 421 that protrudes vertically from the plate into the housing portion of the base body 401. The gear 409 is rotatably provided on the cylindrical pin 421. The gear 409 is permanently engaged with two racks 407 and 408 provided with teeth facing each other. In the figure, a rack 407, which is an upper rack, is disposed between the rotatable drive unit 406 and the tension spring 410. The other end of the tension spring 410 is attached to the base body 401. The lower rack 408 is connected to a rotatable drive unit 405. As a result, when the tension applying device is always applied with a uniform tension and only one drive unit 405 is removed from the stop position, the pull-in assistance is continuously stopped by the stop position of the other drive unit 406, and both drives Only when the parts 405, 406 leave the stop position, it is ensured in a simple manner that the pull-in assistance is activated.

  9-20 show different views of one embodiment of the drawer guide according to the present invention. The modification shown in the drawing is particularly suitable for a drawer or a drawer portion. The drawer guide denoted by reference numeral 1 is substantially provided with a guide rail 5 that can be attached to the furniture base, an intermediate rail 4 that engages within the guide rail 5, and an intermediate rail 4 that can be connected to, for example, a drawer. It consists of a running rail 3. The automatic retracting device is attached to the intermediate rail 4. Both the guide rail 5 and the traveling rail 3 are provided with operating parts 7 and 8, respectively, and the operating parts 7 and 8 are respectively connected to one of driving parts 305 and 306 shown in more detail in FIG. During relative displacement of the running rail 3 with respect to the intermediate rail 4 and relative displacement of the intermediate rail 4 with respect to the guide rail 5, the drive parts 305, 306 are simultaneously moved by the actuating parts 7, 8, thereby the energy of the automatic retracting device 6. Tension is applied to the accumulation unit. When the traveling rail 3, the intermediate rail 4, and the guide rail 5 exceed a predetermined drawing path, the driving units 305 and 306 are tilted by the corresponding guides of the driving units to engage the operating units 7 and 8. Away and locked in this position. At this time, the traveling rail 3 and the intermediate rail 4 can be pulled out to the fully pulled-out position, and the automatic retracting device 6 stays at a position where the energy storage unit of the automatic retracting device is given full tension. As shown in FIG. 12, an angle bracket 2 is used to attach the drawer guide 1 to a furniture base (not shown in this case).

  When the traveling rail 3 and the intermediate rail 4 are slid back in the closing direction, the operating parts 7 and 8 reach the area of the driving parts 305 and 306 again at a predetermined displacement position to unlock the driving part, To release the energy storage. The traveling rail 3 and the intermediate rail 4 are automatically retracted to the closed position via the interaction between the drive parts 305, 306 and the actuating parts 7, 8 by corresponding forces, respectively.

  DESCRIPTION OF SYMBOLS 1 ... Drawer guide, 2 ... Angle bracket, 3 ... Traveling rail, 4 ... Intermediate rail, 5 ... Guide rail, 6 ... Automatic retracting device, 7 ... Actuating part, 8 ... Actuating part, 100 ... Automatic retracting device, 101 ... Base , 102 ... damper, 103 ... damper, 104 ... housing, 105 ... housing, 106 ... rack, 107 ... rack, 108 ... gear, 109 ... drive unit, 110 ... guide pin, 111 ... protruding guide pin, 112 ... link guide , 113: driving unit, 114 ... protruding guide pin, 115 ... guide pin, 116 ... link guide, 117 ... locking hook, 118 ... locking hook, 119 ... slot, 120 ... slot, 121 ... receiving part, 122 ... Opening part, 123 ... Opening part, 200 ... Automatic retracting device, 201 ... Substrate, 202 ... Damper, 203 ... Tension spring, 204 ... Tension spring, 2 DESCRIPTION OF SYMBOLS 5 ... Web material for lock | rock (Verriegelungstag), 206 ... Web material for lock | rock (Verriegelungstag), 207 ... Drive part, 208 ... Drive part, 209 ... Web part (Steg), 210 ... Web part (Steg), 211 ... Protrusion part , 214 ... Projection part, 216 ... Groove, 217 ... Locking recess, 219 ... Guide web part (Fuehrungsseg), 220 ... End part, 221 ... End part, 222 ... End part, 223 ... End part, 224 ... Recessing part for locking DESCRIPTION OF SYMBOLS 225 ... Guide pin, 226 ... Locking recess, 227 ... End face, 228 ... End face, 230 ... Joint, 231 ... Joint, 300 ... Automatic retractor, 301 ... Base, 302 ... Damper, 303 ... Tension spring, 304 ... Tension Spring, 305 ... Drive unit, 306 ... Drive unit, 310 ... End, 312 ... Recess for locking 313: End portion, 314: End portion, 318 ... Guide track, 319 ... Guide track, 400 ... Automatic retractor, 401 ... Base, 402 ... Plate, 403 ... Damper, 405 ... Drive portion, 406 ... Drive portion, 407 ... Rack, 408 ... Rack, 409 ... Gear, 410 ... Tension spring, 411 ... Tension spring, 418 ... Guide track, 419 ... Guide track, 420 ... Pin, 421 ... Cylindrical pin, 422 ... Pin.

Claims (15)

In an automatic retracting device (100, 200, 300, 400) for movable furniture parts guided by a drawer rail,
A substrate (101, 201, 301, 401);
Located on the base body (101, 201, 301, 401), tension is applied when the movable furniture part is opened, and the stored energy is used as an aid to retraction to the final closed position during the closing process. An energy storage unit capable of
The tension is applied to the energy storage unit in advance by being connected to the movable furniture component up to a predetermined opening position, and the connection is automatically released when the predetermined opening position is exceeded. A tensioning mechanism that stops at a position,
Two driving units connected to the energy storage unit to synchronously stop or actuate the tension applying mechanism and to be separately guided by the respective pull-out rails (109, 113, 207, 208, 305, 306, 405, 406)   As the energy storage unit, the first end (221, 222, 310, 313) is locked to the base (101, 201, 301, 401), and the second end (220, 223, 309, 314). Are provided with two tension springs (203, 204, 303, 304, 410, 411) which are locked to one of the drive units (109, 113, 207, 208, 305, 306, 405, 406). The automatic retraction apparatus according to claim 1, wherein the automatic retraction apparatus is provided.   The drive unit (109, 113, 207, 208, 305, 306, 405, 406) is provided with a closing force just before reaching the final closing position provided on the base (101, 201, 301, 401). 3. Automatic according to claim 1 or 2, characterized in that it is connected to a damper (102, 103, 202, 302, 403) that acts in a direction opposite to the direction and applies a reaction force that damps the closing movement. Retraction device.   The one of the dampers (102, 103) connected to one of the drive units (109, 113) is disposed in the region on both sides of the base body (101), according to claim 3, The automatic retracting device described.   5. The automatic retracting device according to claim 1, wherein the driving units (109, 113, 405, 406) are connected to each other by a gear control device.   6. The automatic retracting device according to claim 5, wherein the gear control device comprises a gear and a rack attached to the base (101, 201, 301, 401).   The gear control device includes gears (108, 409) that mesh with racks (106, 107, 407, 408) connected to the drive units (109, 113, 405, 406) one by one. The automatic retracting device according to claim 5.   Each drive part (207, 208) is connected to a locking web member (205, 206) held so as to be displaceable along the base body (201), and each drive part (207, 208) is The automatic pulling-in device according to any one of claims 1 to 3, wherein the locking web member (205, 206) of the other driving unit (207, 208) is stopped at a stopping position. .   9. Automatic retraction device according to any one of the preceding claims, characterized in that the tensioning mechanism is partly surrounded by a housing (104).   A link through which a guide web portion (110, 111, 114, 115) provided in the corresponding drive portion (109, 113) protrudes for the housing (104) to guide the drive portion (109, 113). Automatic retraction device according to claim 9, characterized in that it comprises a guide (112, 116).   At least one of the link guides (112, 116) is provided in an L shape, and the guide web portion (115) is slidably fitted to the short portion of the L shape of the link guide (112, 116). The automatic retracting device according to claim 10, wherein the driving unit is stopped at the fitting position.   Guide tracks (213, 216, 319, 320, 418, 419) for guiding the corresponding drive units (207, 208, 305, 306, 405, 406) are provided at each end of the base body (201). The automatic retraction apparatus according to claim 1, wherein the automatic retraction apparatus is provided. A guide rail (4) attachable to the furniture base;
A traveling rail (3) that can be attached to the drawer, the drawer, etc .;
An intermediate rail (5) disposed displaceably between the guide rail (4) and the traveling rail (3);
Drawer guide (1) for drawers, drawers, etc., characterized by the automatic withdrawal device (100, 200, 300, 400) according to any one of claims 1-12.   14. A drawer guide according to claim 13, characterized in that the automatic retracting device (100, 200, 300, 400) is attached to the intermediate rail (5). The guide rail (4) and the traveling rail (3) are each provided with one operating part (7, 8) for controlling the automatic retracting device (100, 200, 300, 400). The drawer guide according to claim 13 or 14.

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