Lifting push-pull table

Abstract

The utility model relates to the technical field of push-pull tables, in particular to a lifting push-pull table which comprises a guide rail assembly, a lifting table top and side table tops, the side table tops are arranged at the two ends of the lifting table top in a sliding mode through the guide rail assembly, and the guide rail assembly and the lifting table top are in linkage through a groove pin structure. The lifting table top is driven by the groove pin structures to generate corresponding lifting actions, then the lifting push-pull table is switched between an unfolded state and a folded state, and self-locking mechanisms are arranged on the same sides of the two side table tops and used for locking the folded state of the push-pull table after the lifting push-pull table is folded. The problems that when an existing drawing table is used, the state is not stable, and carrying and transportation are not convenient are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a push -and -pull table technical field especially relates to a lifting push -and -pull table. BACKGROUND

[0002] Push -and -pull table as a kind of commonly used household appliance, because it has the size of variable desktop, therefore is widely used, for example, the Chinese patent application with the application number of CN200520056392.X, the name of "pull-out push -and -pull table", its shortcomings are that when the entire push -and -pull table is shrunk and converged, two edge desktops are prone to accidental pulling or accidental collision, and the risk of pull-out table changes from the state of convergence to the state of expansion, when the pull-out table is converged, the entire desktop portion is relatively unstable, affects personnel use and the transportation of pull-out table. INVENTION CONTENTS

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a lifting pull-out table, which solves the problem of unstable state and inconvenient transportation of the existing pull-out table during use.

[0004] In order to achieve the above purpose, the utility model adopts the technical scheme of a lifting pull-out table, which comprises a guide rail assembly, a lifting desktop and an edge desktop, the edge desktop is slidably arranged at both ends of the lifting desktop through the guide rail assembly, the guide rail assembly and the lifting desktop are linked through a slot pin structure, so that when the edge desktop slides through the guide rail assembly, the lifting desktop is driven to produce a corresponding lifting action through the slot pin structure, thereby switching the lifting push -and -pull table between the expanded state and the converged state, and the same side of the two edge desktops is provided with a self-locking mechanism for locking the converged state of the push -and -pull table after convergence.

[0005] Furthermore, the self-locking mechanism comprises a lock body and a lock tongue, the lock tongue is movably arranged on any edge desktop, the lock body is fixedly arranged on the other edge desktop, the lock tongue and the lock block have a locking position for locking them and a wedge structure arranged at the adjacent ends of the two for guiding them into the locking position when they are relatively close.

[0006] By adopting the above technical scheme, the lock body and the lock tongue and the wedge structure are introduced, so that when the push -and -pull table is converged, the lock tongue can be extruded by the lock body to make the lock tongue move back when the two edge desktops are converged, so that the lock tongue and the lock body enter the locking position, to realize the automatic locking of the converged state of the push -and -pull table.

[0007] Furthermore, the self-locking mechanism further comprises an elastic reset member for resetting the lock tongue after the wedge cooperation of the lock tongue and the lock body.

[0008] By adopting the technical scheme, the elastic reset member ensures that the lock tongue can be quickly locked with the lock body under the elastic force of the elastic reset member after the lock tongue and the lock body are in wedge cooperation and move, so as to lock the lock tongue and the lock body.

[0009] Further, the lock body comprises a lock hook, one end of the lock tongue is rotationally connected to the side table top, and the other end is provided with a clamping gap matched with the lock hook, and the wedge structure comprises a guide slope arranged at the lock hook and / or one end of the lock tongue.

[0010] By adopting the technical scheme, the guide slope helps guide the lock tongue to be raised through the guide slope when the lock tongue and the lock hook are relatively close and in contact, so that the lock hook can be smoothly clamped and matched with the clamping gap, and the clamping gap and the lock hook are clamped and matched, and the structure is relatively simple and practical.

[0011] Further, a torsional spring is arranged at the rotationally connected position of the lock tongue and the side table top, so as to reset the lock tongue after rotation.

[0012] By adopting the technical scheme, when one end of the lock tongue is rotated around the rotation point of the lock tongue and the side table top due to the contact of the lock hook, the torsional spring can assist the lock tongue to reset in time.

[0013] Further, the lock body comprises an insertion block, the insertion block is provided with an insertion hole, the lock tongue comprises a mounting frame connected to the side table top and an insertion rod movably arranged on the mounting frame and matched with the insertion hole to form an insertion fit, and the wedge structure comprises a guide slope arranged at the end of the insertion rod and / or the end of the insertion block.

[0014] By adopting the technical scheme, after the insertion rod is inserted into the insertion hole, the lock body and the lock tongue can be effectively locked, and then the two side table tops can be firmly locked together after being folded.

[0015] Further, a tension spring is arranged between the insertion rod and the mounting frame to reset the insertion rod after displacement.

[0016] By adopting the technical scheme, the arrangement of the tension spring can improve the matching of the insertion rod and the insertion hole, so that the insertion rod can be quickly matched with the insertion hole under the action of the tension spring, and the locking action between the lock body and the lock tongue can be quickly completed.

[0017] Further, an operation handle is arranged at the upper end of the insertion rod, and the tension spring is nested outside the insertion rod, and the two ends of the tension spring are respectively connected to the mounting frame and the operation handle.

[0018] By adopting the technical scheme, the arrangement of the operation handle facilitates the pulling of the insertion rod, and then the insertion state between the insertion rod and the insertion hole is released, and then the lock body and the lock tongue are separated.

[0019] Further, the guide rail assembly comprises a track, a slide rail and a sub-track, the slide rail is slidably connected with the track, the side table top is connected with the slide rail, the sub-track is arranged at the bottom of the lifting table top, the slot pin structure comprises a guide slot arranged on the sub-track and a pin shaft arranged on the slide rail, the pin shaft is movably arranged in the guide slot, the guide slot comprises a long slot, a short slot and an inclined slot connecting the long slot and the short slot, and the short slot is located at the parallel positions of the two ends of the long slot.

[0020] By adopting the technical scheme, the guide slot is arranged, when the two side table tops slide on the track through the slide rail, the pin shaft on the slide rail moves in the guide slot, and then the lifting table top generates corresponding lifting action, so that the extension table can be switched between the unfolded state and the folded state.

[0021] Further, the track is provided with a limiting roller, and the limiting roller abuts against the side surface of the slide rail.

[0022] By adopting the technical scheme, the limiting roller is arranged, the slide rail at the bottom of the side table top is limited, and then the shaking of the side table top in the width direction is eliminated, so that the side table top is relatively stable when sliding through the guide rail assembly.

[0023] Compared with the prior art, the utility model has the advantages that:

[0024] In the utility model, the self-locking mechanism is arranged on the same side of the two side table tops, the two side table tops are stably locked in the folded state of the extension table, and then the whole extension table is always kept stably folded, the problem of accidental unfolding of the extension table caused by external force or misoperation is avoided, and the safety of use and the convenience during transportation of the extension table are remarkably improved. ACCURACY OF DRAWINGS

[0025] Figure 1 It is a structure splitting drawing of the utility model extension table.

[0026] Figure 2 It is a structure schematic view of the utility model extension table in the folding state.

[0027] Figure 3 It is a structure schematic view of the utility model Figure 2 It is an enlarged view of structure A in the utility model.

[0028] Figure 4 It is a structure schematic view of another embodiment of the utility model self-locking mechanism.

[0029] Figure 5 It is a structure schematic view of the utility model extension table in the extension state.

[0030] Figure 6 It is a structure schematic view of the utility model Figure 5 It is an enlarged view of structure B in the utility model.

[0031] Figure 7 The utility model push-pull table change schematic diagram.

[0032] In the drawing:

[0033] 100 side table top, 110 side table plate, 120 slide rail, 121 slide bar, 122 pin shaft.

[0034] 200 lifting table top, 210 lifting plate, 220 sub-rail.

[0035] 300 guide groove, 310 short groove, 320 inclined groove, 330 long groove.

[0036] 400 rail.

[0037] 500 self-locking mechanism, 510 lock hook, 520 lock tongue, 521 torsional spring, 522 rotating shaft, 523 push block, 524 clamping notch, 530 mounting frame, 540 plug block, 541 plug hole, 550 insertion rod, 551 operation handle, 552 tension spring.

[0038] 600 guide inclined surface. DETAILED DESCRIPTION

[0039] The utility model will be further described in detail below in combination with the drawing embodiment.

[0040] Referring to Figure 1 A lifting push-pull table includes rail 400, lifting table top 200 and side table top 100, side table top 100 is arranged on the left and right two ends of lifting table top 200, and the linkage between side table top 100 and lifting table top 200 through guide rail assembly is formed, and then when side table top 100 is close to or away from lifting table top 200 through guide rail assembly, the slot pin structure between guide rail assembly and lifting table top 200 is utilized to realize the lifting purpose of lifting table top 200, so that the lifting push-pull table is switched in the unfolded state and the folded state, and the same side of the two side table tops 100 is provided with a self-locking mechanism 500, so as to lock the folding state of the push-pull table after folding, so that the entire push-pull table always remains stable after folding in the folding state through the self-locking mechanism 500, avoiding the problem of accidental unfolding of the push-pull table caused by external force or misoperation, and significantly improving the safety of the push-pull table in use and the convenience during transportation.

[0041] In the embodiment, the self-locking mechanism 500 includes a lock body and a lock tongue 520, the lock tongue 520 is movably arranged on any side table top 100, the lock body is fixedly arranged on the other side table top 100, the lock tongue 520 and the lock block have a locking position for locking them and an inclined wedge structure arranged at the adjacent ends of the two for guiding them into the locking position when they are relatively close to each other, so that the two side table tops 100 can be locked through the locking between the lock body and the lock tongue 520, so as to maintain the folding state of the push-pull table.

[0042] Specifically, as an embodiment of the self-locking mechanism 500, referring to Figure 2 and 3 , the lock body includes a lock hook 510 provided on one side of the side table top 100, and a lock tongue 520 provided on the same side of the other side table top 100, one end of which is rotatably connected to the side table top 100 through a rotating shaft 522, and the other end is provided with a clamping notch 524 which is adapted to form a clamping connection with the lock hook 510. The wedge structure includes a guide slope 600 provided on the lock hook 510 near one end of the lock tongue 520. By providing the guide slope 600, when the extension table is folded for storage, the one end of the lock tongue 520 abuts against the one end of the lock hook 510, and then the guide slope 600 guides the one end of the lock tongue 520 away from the rotating shaft 522, and then allows the one end of the lock hook 510 to enter the clamping notch 524, thereby achieving the purpose of locking the two side table tops 100 relative to each other.

[0043] In this embodiment, the reset of the lock tongue 520 after being pressed by the lock hook 510 to rotate around the rotating shaft 522 is relied on its own gravity, and then the lock tongue 520 can be automatically locked between the two side table tops 100 when the extension table is folded (as shown in the state of Figure 2 ), and further, in order to improve the self-locking sensitivity of the self-locking mechanism 500 after the extension table is folded, a elastic reset member can be installed between the lock tongue 520 and the side table top 100, and the elastic reset force exerted by the elastic reset member on the lock tongue 520 can quickly complete the reset of the lock tongue 520.

[0044] In this embodiment, the elastic reset member is preferably a torsional spring 521, which is sleeved outside the rotating shaft 522, and the torsional arms of the torsional spring 521 are connected to the side table top 100 and the lock tongue 520 respectively. In this way, the elastic reset force exerted by the torsional spring 521 on the lock tongue 520 around the rotating shaft 522 can quickly complete the reset of the lock tongue 520 after the wedge displacement with the lock hook 510.

[0045] In this embodiment, the guide slope 600 can also be provided on the one end of the lock tongue 520 near the lock hook 510, or both the lock hook 510 and the lock tongue 520 can be provided with the guide slope 600.

[0046] In this embodiment, a push block 523 can be provided on one side of the lock tongue 520 to facilitate personnel to operate the push block 523 to drive the lock tongue 520 to rotate, thereby actively releasing the clamping locking between the lock tongue 520 and the lock hook 510.

[0047] As another embodiment of the self-locking mechanism 500, referring to Figure 4The lock body includes a plug 540 fixed to one side of the side table top 100, and the plug 540 is provided with a plug hole 541 at the upper end or the lower end. Taking the plug hole 541 provided at the upper end as an example, the lock bolt 520 includes a mounting frame 530 and a plug rod 550 movably arranged in the mounting frame 530. The plug rod 550 can slide up and down in the mounting frame 530 and is inserted into the plug hole 541 to complete the locking of the two side table tops 100 between the lock body and the lock bolt 520. The wedge structure includes a guide slope 600 arranged at one end of the plug 540 and / or the lower end of the plug rod 550. In this embodiment, the guide slope 600 is arranged at one end of the plug 540. When the two side table tops 100 are moved close to each other to enter the folded state, the plug 540 is in contact with the plug rod 550 through the guide slope 600, so that the plug rod 550 is lifted up. When the plug 540 is moved to the position of the plug hole 541 and the positions of the plug rod are matched, that is, after the push-pull table enters the folded state, the plug rod 550 falls down and is inserted into the plug hole 541 under the action of the self-weight of the plug rod 550, thereby realizing the self-locking function between the lock body and the lock bolt 520.

[0048] Based on the above embodiment, the elastic reset member described above can also be applied to the plug rod 550 for resetting after the movement of the plug rod 550. In this embodiment, the elastic reset member is preferably a tension spring 552, an elastic belt or other elastic components, which always exerts a vertical downward force on the plug rod 550, so that the plug rod 550 can be inserted into the plug hole 541 after downward movement.

[0049] In this embodiment, the mounting frame 530 can be a plate-shaped structure or other shaped structure arranged at the side of the side table top 100, as long as the plug rod 550 can slide relatively on the mounting frame 530 to form an insertion fit with the plug hole 541. The shape can also be other shapes. The mounting frame 530 can be a part of the side table top 100 or can be detachably mounted on the side table top 100.

[0050] Preferably, the mounting frame 530 is a cuboid structure, and one end thereof facing the plug 540 is formed with a through hole. The plug 540 can be inserted into the through hole, and the plug rod 550 is movably arranged through the through hole. In order to facilitate the setting of the tension spring 552 and the active release of the insertion fit between the plug rod 550 and the plug hole 541, an operation handle 551 can be arranged at the upper end of the plug rod 550. The tension spring 552 is arranged outside the plug rod 550, and the two ends thereof are connected to the operation handle 551 and the upper end of the mounting frame 530, respectively. In this way, the tension spring 552 is directly connected to the plug rod 550, so that the connection point of the spring is transferred to the operation handle 551. At the same time, the plug rod 550 can be actively separated from the plug hole 541 through the operation handle 551, thereby releasing the locking of the push-pull table in the folded state by the self-locking mechanism 500.

[0051] Based on the above embodiment, the self-locking mechanism 500 described above can be arranged at the front side, the rear side or both the front side and the rear side of the push-pull table.

[0052] In this embodiment, referring to Figure 1 , the side table top 100 comprises a side table plate 110, the lifting table top 200 comprises a lifting plate 210, the guide rail assembly comprises a track 400, a sliding rail 120 and a sub-rail 220, the sliding rail 120 is detachably installed at the bottom of the side table plate 110, the sliding rail 120 is slidably arranged at the inner side of both ends of the track 400, the sub-rail 220 is arranged at the bottom of the lifting plate 210, the outer side of the sub-rail 220 and the inner side of the sliding rail 120 form a slot pin structure, and the specific slot pin structure comprises a guide slot 300 arranged on the sub-rail 220 and a pin shaft 122 arranged on the sliding rail 120, the pin shaft 122 is arranged at one end of the inner side of the sliding rail 120, the pin shaft 122 is movably arranged in the guide slot 300, and the guide slot 300 is arranged on the outer side of the sub-rail 220 and comprises a long slot 330, a short slot 310 and an inclined slot 320 connecting the long slot 330 and the short slot 310, and the short slot 310 is arranged at the parallel position of both ends of the long slot 330.

[0053] In this embodiment, referring to Figure 1 , the outer side of the sliding rail 120 is provided with a sliding bar 121, and the inner side of the track 400 is provided with a sliding groove matched with the sliding bar 121, and the linear sliding between the sliding rail 120 and the track 400 is realized through the sliding cooperation between the sliding bar 121 and the sliding groove.

[0054] In this embodiment, in order to improve the stability of the side table plate 110 sliding on the track 400 through the sliding rail 120, so that the side table plate 110 is more stable when sliding, referring to Figure 2 , a limiting roller 410 is arranged at the upper end of the track 400, the limiting roller 410 is rotatably connected to the upper end of the track 400, the side edge of the limiting roller 410 abuts against the side edge of the sliding rail 120, and then the limiting effect of the limiting roller 410 is utilized to avoid the shaking of the side table plate 110 along the front and rear ends of the extension table, and the product use experience is effectively improved.

[0055] Referring to Figure 5 and 6 , the short slot 310 is arranged at the lower side of both ends of the long slot 330, the short slot 310 is parallel to the long slot 330, and the setting directions of the short slot 310 and the long slot 330 are the same as the pushing and pulling direction of the side table plate 110, when the extension table is in the unfolded state, Figure 5When the side table top 100 is pulled outward, the pin shaft 122 moves to the outside of the short groove 310, and when passing through the inclined groove 320, the lifting table top 200 is lowered under the self weight of the lifting table top 200 to make the pin shaft 122 enter the inclined groove 320, and then the side table top 100 is pushed inward and converted to the side table top 100 and the push-pull seat are close to each other, at this time the pin shaft 122 enters the long groove 330 through the inclined groove 320, and when the push-pull table is completely closed, the side edges of the two side table plates 110 are close to each other, and the lifting plate 210 is at the lower end of the two side table plates 110 (as shown in the state of FIG. 6). Figure 2 Thus, the conversion of the push-pull table from the unfolded state to the closed state is achieved, Figure 7 FIG. 6 is a schematic view of the conversion of the push-pull table from the closed state to the unfolded state.

[0056] Although the preferred embodiments of the utility model are described in detail above, it should be clearly understood that the utility model can have various changes and variations for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A lifting and sliding table, comprising a guide rail assembly, a lifting table top and an edge table top, the edge table top is slidably arranged at both ends of the lifting table top through the guide rail assembly, the guide rail assembly and the lifting table top are linked through a slot pin structure, so that when the edge table top slides through the guide rail assembly, the lifting table top is driven to produce a corresponding lifting action through the slot pin structure, thereby switching the lifting and sliding table between an unfolded state and a folded state, characterized in that, The same side of the two side table tops is provided with a self-locking mechanism for locking the folding state of the lifting sliding table after folding.

2. A lift and slide table according to claim 1, characterized in that The self-locking mechanism comprises a lock body and a lock tongue, the lock tongue is movably arranged on one side table top, the lock body is fixedly arranged on the other side table top, and the lock tongue and the lock block have a locking position for locking and a wedge structure arranged at the adjacent ends of the two for guiding the two into the locking position when the two are relatively close.

3. A lift and slide table according to claim 2, characterized in that The self-locking mechanism further comprises an elastic reset member for resetting the lock tongue after the wedge cooperation of the lock tongue and the lock body.

4. The lift and slide table according to claim 2, wherein, The lock body comprises a lock hook, one end of the lock tongue is rotatably connected to the side table top, and the other end is provided with a clamping notch matched with the lock hook, and the wedge structure comprises a guide slope arranged at one end of the lock hook and / or the lock tongue.

5. A lift and slide table according to claim 4, characterized in that A torsion spring is arranged at the rotating connection between the lock tongue and the side table top for resetting the lock tongue after rotation.

6. The lift and slide table according to claim 2, wherein, The lock body comprises an insertion block, the insertion block is provided with an insertion hole, the lock tongue comprises a mounting rack connected to the side table top and an insertion rod movably arranged on the mounting rack and matched with the insertion hole, and the wedge structure comprises a guide slope arranged at the end of the insertion rod and / or the end of the insertion block.

7. A lift and slide table according to claim 6, characterized in that A tension spring is arranged between the insertion rod and the mounting rack for resetting the insertion rod after displacement.

8. A lift and slide table according to claim 7, characterized in that The upper end of the pull rod is provided with an operating handle, the tension spring is nested outside the insertion rod, and the two ends thereof are connected to the mounting rack and the operating handle respectively.

9. The lift and slide table according to claim 1, wherein, The guide rail assembly comprises a rail, a slide rail and a sub-rail, the slide rail is slidably connected to the rail, the side table top is connected to the slide rail, the sub-rail is arranged at the bottom of the lifting table top, the slot pin structure comprises a guide slot arranged on the sub-rail and a pin shaft arranged on the slide rail, the pin shaft is movably arranged in the guide slot, the guide slot comprises a long slot, a short slot and an inclined slot connecting the long slot and the short slot, and the short slot is located at the parallel position of the two ends of the long slot.

10. A lift and slide table according to claim 9, characterized in that A limiting roller is arranged on the rail, and the limiting roller abuts against the side surface of the slide rail.

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