CN214760082U

CN214760082U - Furniture rebounding device

Info

Publication number: CN214760082U
Application number: CN202120547334.6U
Authority: CN
Inventors: 蔡耿锡; 罗积华; 伦锴成; 李艳荣; 王加欣; 陆国辉
Original assignee: Guangdong Saca Precision Manufacturing Co Ltd
Current assignee: Guangdong Saca Precision Manufacturing Co Ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-11-19
Anticipated expiration: 2031-03-17

Abstract

The utility model discloses a furniture rebounding device, which comprises a shifting needle and a rebounding device main body, wherein the front end of the rebounding slider is provided with a hook component which is buckled with the shifting needle, the hook component comprises a hook slider and a shifting needle stop block, the inner side wall of the rebounding device main body is provided with a sliding groove, the sliding groove comprises a hook block sliding groove and a needle swinging sliding groove which are longitudinally communicated with each other, a parallel sliding limiting block is fixed on the side wall of the hook slider relative to the sliding groove, the side wall of the rebounding slider is fixed with an outward convex impact stress block, the impact stress block sliding block is arranged in the needle swinging sliding groove in a sliding way, and the sliding groove position corresponding to the impact stress block is arranged by an elastic component when the needle swinging slider is hooked on the needle swinging joint block; the utility model discloses not only can realize the automation of activity slide rail and fixed slide rail and open and the damping function of closing, can promote the dropout through elastomeric element moreover when spurring activity slide rail and fixed slide rail by force, prevent adapting unit's fracture damage, improve holistic life of bounce-back device main part and operating stability greatly.

Description

Furniture rebounding device

Technical Field

The utility model particularly relates to a family rebounds device, specifically is a furniture rebounding device.

Background

A rebound device is often used in order to realize the mute of automatic opening or closing damping in sliding rails of a plurality of drawers in furniture, the general rebound device mainly comprises a spring and a stressed block, the spring applies elastic thrust to the stressed block, the stressed block is installed between a fixed sliding rail and a movable sliding rail through a clamping mechanism, and the elastic thrust is provided when the sliding rail is opened, so that the damping force is realized when the sliding rail is closed.

The conventional rebounding device cannot be well matched with the motion synchronization problem of the stress block, and when the sliding guide rail is subjected to a violent external pulling force, huge impact force can be caused on the rebounding device and the stress block, so that the stress block or a connecting part of the rebounding device is easily broken, and therefore, the rebounding device which can be used for realizing automatic opening and damping closing actions of the sliding guide rail smoothly and elastically and resisting impact and preventing breakage is required for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a furniture rebounding device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a furniture rebounding device comprises a shifting needle and a rebounding device main body, wherein the shifting needle and the rebounding device main body are respectively arranged on the same side wall of a movable sliding rail and a fixed sliding rail, the movable sliding rail is longitudinally slidably clamped on the fixed sliding rail, a rebounding sliding block is longitudinally slidably clamped in the rebounding device main body, a spring used for driving the rebounding sliding block to longitudinally slide is arranged at the rear end of the rebounding device main body, a hook assembly used for being buckled with the shifting needle is arranged at the front end of the rebounding sliding block, the hook assembly comprises a hook sliding block and a shifting needle blocking block, the shifting needle blocking block is fixedly arranged at the front end of the top of the rebounding sliding block, the hook sliding block is rotatably arranged at the front side of the shifting needle blocking block, a linkage notch used for vertically inserting and buckling the shifting needle blocking block is formed by enclosing between the hook sliding block in a vertical state and the shifting needle blocking block, and a stretching-out opening used for leaking out of the linkage notch is arranged at the top of the rebounding device main body, the inner side wall of the rebounder main body is longitudinally provided with a sliding groove, the sliding groove comprises a hook block sliding groove and a swing needle sliding groove which are longitudinally communicated with each other, a parallel sliding limiting block is fixed on the side wall of the hook sliding block relative to the sliding groove, the parallel sliding limiting block is longitudinally slidably clamped in the hook block sliding groove and keeps the hook sliding block in a vertical state, the front end of the hook block sliding groove is communicated with a hook block rotating arc groove used for enabling the hook sliding block to rotate forwards and extend out of the opening, the side wall of the rear end of the rebounding sliding block is provided with a swing needle rotating groove, a limiting swing needle is rotatably fixed in the swing needle rotating groove, a swing needle sliding head is vertically fixed on the swinging end face of the limiting swing needle, the swing needle sliding head is slidably clamped in the swing needle sliding groove, the rear end of the swing needle sliding groove is provided with a communicated loop annular groove, and a swing needle clamping block used for longitudinally hanging the swing needle sliding head is fixed at the central position of the loop annular groove, the lateral wall of the rebound slider is fixedly provided with an outward convex impact stress block, the impact stress block is arranged at the front end of the parallel sliding limiting block, the impact stress block is slidably clamped in the swing needle sliding groove, and the sliding groove position corresponding to the impact stress block is arranged by an elastic component when the swing needle sliding head is hung on the swing needle clamping block.

Further scheme: the spring is longitudinally fixed between the inner side face of the rear end of the rebounding device main body and the inner side face of the rear end of the rebounding slider along the sliding direction of the movable sliding rail and the fixed sliding rail, the spring guide post penetrates through the spring, the rear end of the spring guide post is vertically fixed on the inner side face of the rear end of the rebounding device main body, the guide rod groove used for the front end of the spring guide post to penetrate in a sliding mode is longitudinally formed in the rear end of the rebounding slider, and when the swing needle sliding head is hung on the swing needle clamping block, the spring is in a contraction state.

Further scheme: the preceding end of pendulum needle joint piece is the wedge head parallel with pendulum needle spout axis, and the top of pendulum needle joint piece is equipped with the slope that the pendulum needle slippery fell upwards backward of being convenient for, and the back end of pendulum needle joint piece is equipped with the bayonet socket that vertically contracts inwards towards the pendulum needle spout, the rear end top of return circuit annular is equipped with and is used for leading to the direction draw-in mouth of pendulum needle slippery fell of sliding head cunning into the pendulum needle spout, and the rear end bottom of return circuit annular is equipped with and is used for leading to the direction draw-in slope that the pendulum needle slippery fell into the pendulum needle spout again.

Further scheme: the elastic component comprises an elastic groove edge, the sliding groove is formed by enclosing side panels communicated by two longitudinal groove plates, the elastic groove edge is arranged at the position where the impact stress block is located when the needle swinging sliding head slides into the needle swinging sliding groove, the hook sliding block is abutted against the bottom groove plate of the rebounder main body in the process of accommodating towards the extension opening and rotating, and the elastic groove edge is arranged as a part abutting against one side groove plate.

Further scheme: horizontal carriage in bounce-back ware main part bottom is established on the frid, and the frid opening upwards controls the intercommunication, and the frid is fixed on the lateral wall of fixed slide rail, and the rear end slip cartridge of bounce-back ware main part is in the picture peg, and the picture peg is fixed on fixed slide rail lateral wall and the opening forward, the column screw seat is installed to the head end of bounce-back ware main part, and an adjusting bolt is worn to be equipped with by the column screw seat internal thread, and the vertical rotating bracket of smooth lever arm of adjusting bolt tip side is established on the axle revolving bracket, and the axle revolving bracket is fixed on the frid, the lateral wall of the homonymy fixed slide rail of picture peg, and adjusting nut has been cup jointed with the adjusting bolt screw thread end screw thread between the axle revolving bracket, and adjusting nut head and tail end face meets with axle revolving bracket and column screw seat terminal surface slip.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses not only can realize the automation of activity slide rail and fixed slide rail and open and the damping function of closing, can make the couple slider rotate to drop off from couple piece spout through elastomeric element moreover when spurring activity slide rail and fixed slide rail by force to the packing is dialled the needle and is geted in touch the slider and drop off smoothly, can not cause too big impact force to the part of dialling the needle and getting in touch the slider, prevents adapting unit's fracture damage, has improved holistic life of bounce-back device main part and operating stability greatly.

Drawings

Fig. 1 is a schematic structural view of a furniture rebounding device.

Fig. 2 is a schematic structural view of the furniture rebounding device installed on the fixed slide rail and the movable slide rail.

Fig. 3 is a partial exploded view of the furniture rebounding device.

Fig. 4 is a schematic structural diagram of a rebound slider in the furniture rebound device.

Fig. 5 is a schematic structural view of a deflector body in the furniture rebounding apparatus.

Fig. 6 is a partially enlarged view of a portion a in fig. 1.

In the figure: the anti-collision device comprises a movable sliding rail 1, a shifting needle 10, a fixed sliding rail 2, a groove plate 21, an inserting plate 22, a shaft rotating frame 20, a rebounder main body 3, an adjusting nut 30, an adjusting bolt 301, a stud base 302, a sliding groove 31, a hook block sliding groove 310, a shifting needle sliding groove 311, a loop annular groove 312, a shifting needle clamping block 313, a hook block rotating arc groove 314, an elastic groove edge 32, a protruding opening 33, a rebounding sliding block 4, a hook sliding block 40, a parallel sliding limiting block 401, an impact stress block 402, a limiting shifting needle 41, a shifting needle sliding head 410, a shifting needle rotating groove 42, a shifting needle stop block 43, a guide rod groove 44, a spring 5 and a spring guide column 50.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 5, in an embodiment of the present invention, a furniture rebounding device includes a shifting pin 10 and a rebounding device main body 3, the shifting pin 10 and the rebounding device main body 3 are respectively installed on the same side wall of a movable slide rail 1 and a fixed slide rail 2, the movable slide rail 1 is longitudinally slidably engaged with the fixed slide rail 2, a rebounding slider 4 is longitudinally slidably engaged in the rebounding device main body 3, a spring 5 for driving the rebounding slider 4 to longitudinally slide is installed at the rear end of the rebounding device main body 3, a hook assembly for being engaged with the shifting pin 10 is installed at the front end of the rebounding slider 4, the hook assembly includes a hook slider 40 and a shifting pin block 43, the shifting pin block 43 is fixedly installed at the front end of the top of the rebounding slider 4, the hook slider 40 is rotatably installed at the front side of the shifting pin block 43, a linkage notch for vertical insertion of the shifting pin 10 is formed between the vertical hook slider 40 and the shifting pin block 43, an extending opening 33 for leakage of a linkage notch is formed in the top of the rebounder main body 3, a sliding groove 31 is formed in the inner side wall of the rebounder main body 3 in the longitudinal direction, the sliding groove 31 comprises a hook block sliding groove 310 and a swing needle sliding groove 311 which are longitudinally communicated with each other, a parallel sliding limiting block 401 is fixed on the side wall of the hook sliding block 40 relative to the sliding groove 31, the parallel sliding limiting block 401 is longitudinally slidably clamped in the hook block sliding groove 310 and keeps the hook sliding block 40 in a vertical state, the front end of the hook block sliding groove 310 is communicated with a hook block rotating arc groove 314 for the hook sliding block 40 to rotate forwards and enter the extending opening 33, a swing needle rotating groove 42 is formed in the side wall of the rear end of the rebounding sliding block 4, a limiting swing needle 41 is rotationally fixed in the swing needle rotating groove 42, a swing needle sliding head 410 is vertically fixed on the swing end face of the limiting swing needle 41, and the swing needle sliding head 410 is slidably clamped in the swing needle sliding groove 311, the swing needle sliding groove 311 rear end is equipped with the return circuit annular 312 of intercommunication, and return circuit annular 312 central point puts and is fixed with a swing needle joint piece 313 that is used for vertically hanging swing needle sliding head 410, the lateral wall of bounce-back slider 4 is fixed with to the impact atress piece 402 of evagination, and impact atress piece 402 sets up at parallel slip stopper 401 front end, and impact atress piece 402 slides the card and establishes in swing needle sliding groove 311, and swing needle sliding head 410 strikes the sliding tray 31 position that atress piece 402 corresponds when hanging swing needle joint piece 313 and adopts the elastomeric element setting.

A spring 5 is longitudinally fixed between the inner side surface of the rear end of the rebounding device main body 3 and the inner side surface of the rear end of the rebounding slider 4 along the sliding direction of the movable sliding rail 1 and the fixed sliding rail 2, a spring guide post 50 penetrates through the spring 5, the rear end of the spring guide post 50 is vertically fixed on the inner side surface of the rear end of the rebounding device main body 3, a guide rod groove 44 for the front end head of the spring guide post 50 to slide and penetrate into is longitudinally arranged at the rear end of the rebounding slider 4, when the swing needle sliding head 410 is hung on the swing needle clamping block 313, the spring 5 is in a contraction state, the arranged spring 5 is mainly used for pushing the rebounding slider 4 to slide in the rebounding device main body 3, when the swing needle sliding head 410 is hung on the swing needle clamping block 313, the movable sliding rail 1 is in a storage state, the rebounding slider 4 stores elastic potential energy for the spring 5 through the swing needle sliding head 410, and when the swing needle sliding head 410 is released from the swing needle clamping block 313, the spring 5 releases elastic potential energy to push the rebound slider 4 to the front end, thereby driving the movable slide rail 1 to be automatically pulled open integrally.

The front end of the needle swinging clamping block 313 is a wedge-shaped head parallel to the axis of the needle swinging sliding chute 311, the top of the needle swinging clamping block 313 is provided with a slope facilitating the upward and backward sliding of the needle swinging sliding head 410, the rear end of the needle swinging clamping block 313 is provided with a bayonet longitudinally retracted towards the needle swinging sliding chute 311, the top of the rear end of the loop ring groove 312 is provided with a guide sliding opening for leading the needle swinging sliding head 410 to slide into the needle swinging sliding chute 311, the bottom of the rear end of the loop ring groove 312 is provided with a guide sliding slope for leading the needle swinging sliding head 410 to slide into the needle swinging sliding chute 311 again, the arranged needle swinging sliding head 410 enters the loop ring groove 312 when moving to the tail end of the needle swinging sliding chute 311, firstly, the needle swinging sliding head 410 moves towards the guide sliding opening under the driving of the slope of the needle swinging clamping block 313 and moves to the bayonet under the action of the guide sliding opening, and at the moment, the spring 5 has a longitudinal forward thrust to the rebounding slide block 4, so that the needle swinging sliding head 410 can be transversely clamped in the bayonet, when the rebound slider 4 is pressed backwards, the needle swinging slider 410 falls off from the bayonet and returns to the needle swinging chute 311 along the guide slide slope again, and the position limiting action and the ejection action of the rebound slider 4 are completed.

The elastic component comprises an elastic groove edge 32, the sliding groove 31 is formed by enclosing two longitudinal groove plates and connecting side plates of the hook slider 40, the elastic groove edge 32 is arranged at the position where an impact stress block 402 is located when the needle swinging sliding head 410 slides into the needle swinging sliding groove 311, the hook slider 40 abuts against the bottom groove plate of the rebounder main body 3 in the rotating and accommodating process towards the extension opening 33, the elastic groove edge 32 is arranged to abut against one part of one side groove plate, when the arranged elastic groove edge 32 is suddenly pulled and pulled by the movable sliding rail 1, namely, when the shifting needle 10 suddenly separates from a linkage notch enclosed by the shifting needle stopper 43 and the hook slider 40, the shifting needle 10 can apply an impact force to the hook slider 40, and the parallel sliding limiting block 401 does not move to the hook block rotating arc groove 314 and can not rotate, so that the hook slider 40 can be subjected to a large downward pressing impact force, and the hook slider 40 or the shifting needle 10 can be easily broken, at this time, the force point of the hook sliding block 40 is at the impact force block 402, the impact force block 402 will apply impact force to the slot plate of the sliding slot 31, in order to prevent the hook sliding block 40 or the needle setting 10 from breaking, the slot plate is arranged as the elastic slot edge 32 which can be compressed and deformed, when the impact force block 402 receives impact force at this position, the impact force block 402 will press down the elastic slot edge 32, the elastic slot edge 32 deforms, the impact force block 402 is directly released from the needle setting sliding slot 311, the hook sliding block 40 will be rotated and retracted into the extension 33 as a whole, the hook sliding block 40 will not block the needle setting 10 from pulling out, the hook sliding block 40 will not be rotated too much and broken, when the impact force block 402 needs to reset, the needle setting 10 will be pushed to the needle setting block 43 again, when the rebound sliding block 4 drives the 40 to move backwards, the impact force block 402 will be pulled back up and rebound to the needle setting sliding slot 311 again, the rebound slider 4 is restored to the normal state.

The utility model discloses a theory of operation is: when the automatic opening device works, when the movable sliding rail 1 and the fixed sliding rail 2 are in a closed state, the swing needle sliding head 410 is hung on the swing needle clamping block 313, the spring 5 is in a contraction state, when the movable sliding rail 1 is pulled outwards, the swing needle sliding head 410 is released from the swing needle clamping block 313 and returns to the swing needle sliding groove 311 again, the spring 5 releases elastic potential energy to push the rebound slider 4 forwards, at the moment, the rebound slider 4 slides in the hook block sliding groove 310 through the parallel sliding limiting block 401, the hook slider 40 and the shifting needle stop block 43 keep the enclosing state of the linkage notch, the linkage notch clamps the shifting needle 10, the rebound slider 4 automatically pushes the link 1 outwards, when the parallel sliding limiting block 401 moves to the hook block rotating arc groove 314, the 40 rotates, the linkage notch opens, the shifting needle 10 is not blocked by the 40, the movable sliding rail 1 can be continuously opened to the maximum position under the inertia effect, and the movable sliding rail 1 realizes the automatic opening state, when the movable sliding rail 1 is pushed inwards to be closed, the poking needle 10 impacts the poking needle stop block 43, the rebound sliding block 4 slides backwards, the parallel sliding limiting block 401 slides towards the hook block sliding groove 310 from the hook block rotating arc groove 314, the hook sliding block 40 rotates again to surround the poking needle 10 until the needle swinging sliding head 410 is clamped again and is kept by the needle swinging clamping block 313, the movable sliding rail 1 and the fixed sliding rail 2 are completely closed, the spring 5 continuously applies force to the rebound sliding block 4 in the closing process to realize the damping closing effect, when the movable sliding rail 1 and the fixed sliding rail 2 are in the closing state, the movable sliding rail 1 is suddenly and violently pulled outwards, at the moment, the hook sliding block 40 is subjected to a large downward pressing impact force, the hook sliding block 40 or the poking needle 10 can be easily broken, at the moment, the stress point of the hook sliding block 40 is at the impact stress block 402 applies impact force to the groove plate 31, in order to prevent the hook sliding block 40 or the poking needle 10 from being broken, here, the slot plate is set as the elastic slot edge 32 capable of compressing and deforming, when the impact force-bearing block 402 receives impact force at this position, the impact force-bearing block 402 can press down the elastic slot edge 32, the elastic slot edge 32 deforms, the impact force-bearing block 402 directly releases from the inner of the needle swinging chute 311, then the whole hook slider 40 can rotate, the hook slider 40 does not block the outward pulling of the poking needle 10, the hook slider 40 also does not receive too large impact and can not rotate and can break, when the impact force-bearing block 402 needs to reset, the poking needle 10 is pushed to the needle shifting block 43 again, the rebounding slider 4 drives 40 to move backwards, the impact force-bearing block 402 pulls back again and rebounds to the needle swinging chute 311, and the rebounding slider 4 recovers to a normal state, therefore, the utility model discloses not only can realize the automatic opening and damping closing functions of the movable slide rail 1 and the fixed slide rail 2, but also can make the hook slider 40 rotate from the hook block through the elastic component when the movable slide rail 1 and the fixed slide rail 2 are pulled forcibly The packaging shifting needle 10 and the hook sliding block 40 are smoothly released, excessive impact force cannot be caused to the shifting needle 10 and the hook sliding block 40, the breakage and the damage of the connecting part are prevented, and the service life and the operation stability of the whole rebound device main body 3 are greatly improved.

Example 2

Referring to fig. 1 and fig. 6, the present embodiment is different from embodiment 1 in that:

the horizontal sliding frame of 3 bottoms of the rebounder body is arranged on the groove plate 21, the opening of the groove plate 21 is communicated with the left and the right upwards, the groove plate 21 is fixed on the side wall of the fixed slide rail 2, the rear end of the rebounder body 3 is inserted into the insertion plate 22 in a sliding manner, the insertion plate 22 is fixed on the side wall of the fixed slide rail 2 and the opening of the fixed slide rail is forward, the head end of the rebounder body 3 is provided with a stud seat 302, an adjusting bolt 301 is arranged in the stud seat 302 in a penetrating manner, the smooth lever arm at the end side of the adjusting bolt 301 is vertically rotatably erected on the shaft rotating frame 20, the shaft rotating frame 20 is fixed on the side wall of the fixed slide rail 2 at the same side of the groove plate 21 and the insertion plate 22, the threaded end of the adjusting bolt 301 between the stud seat 302 and the shaft rotating frame 20 is sleeved with an adjusting nut 30, the end faces of the adjusting nut 30 are connected with the shaft rotating frame 20 and the end face of the stud seat 302 in a sliding manner, when the adjusting nut 30 is arranged, the adjusting bolt 301 goes deep into the stud seat 302 for changing length, the longitudinal position of the whole rebounder main body 3 is changed, the rebounder main body 3 is supported by the groove plate 21 and the inserting plate 22 in the vertical direction, and the adjusting nut 30 is mainly used for facilitating adjustment of the longitudinal installation position of the rebounder main body 3 and facilitating matching installation of the shifting needle 10 and the linkage notch.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a furniture bounce-back device, includes dials needle (10) and bounce-back ware main part (3), dial needle (10) with bounce-back ware main part (3) are installed respectively on the homonymy lateral wall of activity slide rail (1) and fixed slide rail (2), and activity slide rail (1) longitudinal sliding joint is on fixed slide rail (2), its characterized in that, bounce-back slider (4) is being followed to longitudinal sliding joint in bounce-back ware main part (3), and the rear end of bounce-back ware main part (3) is installed and is used for driving spring (5) that bounce-back slider (4) longitudinal sliding, the front end of bounce-back slider (4) is equipped with the couple subassembly that is used for detaining with dialling needle (10), the couple subassembly includes couple slider (40) and dials needle shelves piece (43), dial needle shelves piece (43) fixed mounting in the top front end of bounce-back slider (4), couple slider (40) rotate and install in dialling needle shelves piece (43) front side, a linkage notch for vertical eye-splice of the shifting needle (10) is formed by enclosing the hook sliding block (40) and the shifting needle stop block (43) in a vertical state, an extending opening (33) for leakage of the linkage notch is formed at the top of the rebounder main body (3), a sliding groove (31) is formed in the inner side wall of the rebounder main body (3) longitudinally, the sliding groove (31) comprises a hook sliding groove (310) and a swinging needle sliding groove (311) which are longitudinally communicated with each other, a parallel sliding limiting block (401) is fixed on the side wall of the hook sliding block (40) relative to the sliding groove (31), the parallel sliding limiting block (401) is longitudinally slidably clamped in the hook sliding groove (310) and keeps the hook sliding block (40) in a vertical state, the front end of the hook sliding groove (310) is communicated with a hook rotating arc groove (314) for forward rotation of the hook sliding block (40) and taking in the extending opening (33), a swing needle rotating groove (42) is arranged on the side wall of the rear end of the rebound slider (4), a limit swing needle (41) is rotationally fixed in the swing needle rotating groove (42), the swing end face of the limit swing needle (41) is vertically fixed with a swing needle sliding head (410), the swing needle sliding head (410) is slidably clamped in the swing needle sliding groove (311), a loop ring groove (312) which is communicated with the back end of the swing needle sliding groove (311), a swing needle clamping block (313) which is used for longitudinally hanging the swing needle sliding head (410) is fixed at the center of the loop ring groove (312), the lateral wall of the rebound slider (4) is fixedly provided with an outward convex impact stress block (402), the impact stress block (402) is arranged at the front end of the parallel sliding limiting block (401), the impact stress block (402) is slidably clamped in the swing needle sliding groove (311), and the position of the sliding groove (31) corresponding to the impact stress block (402) is arranged by an elastic component when the swing needle sliding head (410) is hung on the swing needle clamping block (313).

2. The furniture rebounding device according to claim 1, characterized in that a spring (5) is longitudinally fixed between the inner side surface of the rear end of the rebounding device main body (3) and the inner side surface of the rear end of the rebounding slider (4) along the sliding direction of the movable sliding rail (1) and the fixed sliding rail (2), a spring guide post (50) is inserted into the spring (5), the rear end of the spring guide post (50) is vertically fixed on the inner side surface of the rear end of the rebounding device main body (3), a guide rod groove (44) for the front end of the spring guide post (50) to slide into is longitudinally formed at the rear end inside the rebounding slider (4), and when the swing needle slider (410) is hooked on the swing needle clamping block (313), the spring (5) is in a contracted state.

3. The furniture rebounding device according to claim 1, wherein a front end of the swing needle clamping block (313) is a wedge-shaped head parallel to an axis of the swing needle sliding groove (311), a slope facilitating upward and rearward sliding of the swing needle sliding head (410) is arranged at the top of the swing needle clamping block (313), a bayonet retracting towards a longitudinal direction of the swing needle sliding groove (311) is arranged at a rear end of the swing needle clamping block (313), a guide sliding opening for guiding the swing needle sliding head (410) to slide into the swing needle sliding groove (311) is arranged at the top of a rear end of the loop ring groove (312), and a guide sliding slope for guiding the swing needle sliding head (410) to slide into the swing needle sliding groove (311) again is arranged at the bottom of the rear end of the loop ring groove (312).

4. The furniture rebounding device according to claim 1, wherein the elastic component comprises an elastic groove edge (32), the sliding groove (31) is defined by two side panels communicated with a longitudinal groove plate, the elastic groove edge (32) is arranged at a position where the impact force bearing block (402) is located when the needle swinging sliding head (410) slides into the needle swinging sliding groove (311), the hook sliding block (40) abuts against a bottom groove plate of the rebounder main body (3) in the rotating and accommodating process towards the extension opening (33), and the elastic groove edge (32) is arranged to abut against a part of one side groove plate.

5. The furniture rebounding device according to any one of claims 1 to 4, wherein a transverse sliding frame at the bottom of the rebounder main body (3) is arranged on a groove plate (21), an opening of the groove plate (21) is communicated upwards and leftwards and rightwards, the groove plate (21) is fixed on a side wall of a fixed sliding rail (2), the rear end of the rebounder main body (3) is inserted into an insertion plate (22) in a sliding manner, the insertion plate (22) is fixed on the side wall of the fixed sliding rail (2) and the opening of the insertion plate is forward, a stud base (302) is installed at the head end of the rebounder main body (3), an adjusting bolt (301) is arranged in the stud base (302) in a penetrating manner, a smooth lever arm at the end side of the adjusting bolt (301) is longitudinally arranged on a shaft rotating frame (20), the shaft rotating frame (20) is fixed on the side wall of the fixed sliding rail (2) at the same side of the groove plate (21) and the insertion plate (22), an adjusting nut (30) is sleeved on a threaded end of the adjusting bolt (301) between the shaft rotating frame (20), the head end face and the tail end face of the adjusting nut (30) are connected with the shaft rotating frame (20) and the end face of the stud seat (302) in a sliding mode.