CN211269466U

CN211269466U - Synchronous pressing rebound opening and closing structure for furniture

Info

Publication number: CN211269466U
Application number: CN201921478139.1U
Authority: CN
Inventors: 伍志勇
Original assignee: Guangdong DTC Hardware Precision Manufacturing Co Ltd
Current assignee: Guangdong DTC Hardware Precision Manufacturing Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-08-18
Anticipated expiration: 2029-09-05

Abstract

A synchronous pressing rebound opening and closing structure for furniture comprises a left sliding rail component and a right sliding rail component, wherein the left sliding rail component and the right sliding rail component respectively comprise a movable sliding rail and a fixed sliding rail which are matched with each other in a sliding opening and closing manner; or, the left fixed slide rail and the right fixed slide rail are provided with connecting pieces, the connecting pieces are provided with mutually independent synchronous acting parts and pressing movable parts which form a certain interval, the left movable slide rail and the right movable slide rail are provided with assembling parts, and the assembling parts are provided with mutually independent synchronous devices and pressing rebounding devices which form a certain interval. The utility model has the characteristics of simple structure is reasonable, the dependable performance, and it is compact to connect between each component, long service life, low in manufacturing cost, the dismouting is swift, convenient and flexibility is high, and the practicality is strong.

Description

Synchronous pressing rebound opening and closing structure for furniture

Technical Field

The utility model relates to a bounce-back switching structure is pressed in step for furniture.

Background

Chinese patent document No. CN107411385A discloses, in 2017, 4/14, an automatic reset type pressing and rebounding mechanism for furniture, which includes a movable furniture member, a stationary furniture member, a connecting element, and a fixed bracket, wherein the movable furniture member is movably opened and closed on the stationary furniture member, the fixed bracket is provided with a pressing and rebounding device, a telescopic returning device, and at least two rotating wheels, the pressing and rebounding device at least includes a pushing element, the telescopic returning device at least includes a telescopic element and a first elastic element which are elastically matched with each other, the pushing element and the telescopic element respectively slide on the fixed bracket, at least two rotating wheels are independently arranged and respectively rotate on the fixed bracket, at least two rotating wheels are mutually and movably matched when rotating at a certain position, wherein one rotating wheel is drivingly connected with the telescopic element, and the other rotating wheel is drivingly connected with the pushing element; the pushing element is provided with a swinging element, the fixed support is provided with a heart-shaped sliding chute, the swinging element swings on the pushing element, and one end of the swinging element sequentially slides along the track of the heart-shaped sliding chute in one direction when the pushing element slides. The structure can ensure that the pushing element can slide and open along the track of the heart-shaped chute only by overcoming the elasticity of the third elastic element when being pressed and opened, because the elasticity of the third elastic element is large, the pushing element can collide with the fixed bracket when being popped up, the swinging element can collide with the heart-shaped chute, the service lives of the pushing element, the fixed bracket and the swinging element are influenced when the product generates abnormal sound when being used, and a user needs to apply the same force when pressing, so that the user can press and open the furniture only by using larger force, and simultaneously, under the condition that the opening and closing of the furniture need the same force, the user also needs to reset and press the rebounding mechanism by using larger force to close the furniture, the use experience of the user is influenced, and the problem of uneven stress of the movable part of the furniture is easily caused when the movable part of the furniture is pressed and opened or closed, causing inconvenience to the user. Therefore, further improvements are necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure is reasonable, the dependable performance, connects compactly between each component, long service life, low in manufacturing cost, and the dismouting is swift, convenient and the high synchronous bounce-back switching structure of pressing down that is used for furniture of flexibility to overcome the weak point among the prior art.

According to a bounce-back switching structure is pressed in step for furniture of this purpose design, including controlling slide rail set spare, control slide rail set spare and include the opening and closing complex that slides each other and move the slide rail and decide the slide rail, its characterized in that respectively: the left and right movable slide rails are provided with connecting pieces, the connecting pieces are provided with a synchronous action part and a pressing movable part which are mutually independent and form a certain distance, the left and right fixed slide rails are provided with assembling pieces, and the assembling pieces are provided with a synchronous device and a pressing rebound device which are mutually independent and form a certain distance; or, the left fixed slide rail and the right fixed slide rail are provided with connecting pieces, the connecting pieces are provided with mutually independent synchronous acting parts and pressing movable parts which form a certain interval, the left movable slide rail and the right movable slide rail are provided with assembling parts, and the assembling parts are provided with mutually independent synchronous devices and pressing rebounding devices which form a certain interval.

When the left and right movable slide rails are opened, the left and right movable slide rails are driven to slide and open on the left and right fixed slide rails through tools or manual action, and the left and right movable slide rails are synchronously opened on the left and right fixed slide rails through the matching of the synchronous action part, the synchronous device and the pressing rebound device when the left and right movable slide rails are opened in a sliding manner.

The left and right movable slide rails are opened or closed relative to the left and right fixed slide rails to a certain stroke, and the pressing rebounding device is driven to reset to an initial position through the action of the pressing movable part.

The left and right movable slide rails are synchronously closed on the left and right fixed slide rails through the matching of the synchronous action part and the synchronous device when being closed to a certain stroke.

The connecting piece is fixedly arranged on the left and right movable slide rails and is provided with an acting piece and a movable piece, the acting piece and the movable piece are mutually independent, and a certain distance is formed between the acting piece and the movable piece; the assembly parts are fixedly arranged on the left fixed slide rail and the right fixed slide rail; the synchronous device and the pressing rebounding device are mutually independent, form a certain distance between the synchronous device and the pressing rebounding device and are respectively arranged on the assembly parts.

The synchronous acting part is arranged on the acting piece and interacts with the synchronous device when the left and right movable slide rails open and close to a certain stroke relative to the left and right fixed slide rails so as to realize the synchronous sliding opening and closing of the left and right movable slide rails relative to the left and right fixed slide rails.

The movable part that presses set up on the moving part, press the movable part and move the slide rail about relatively and decide the slide rail open to certain stroke and press bounce-back device and dodge each other about, and move the slide rail about relatively and decide the slide rail and close to certain stroke when with press bounce-back device interact, and the drive presses bounce-back device and resets to the initial position, perhaps, press the movable part and move the slide rail about relatively and decide the slide rail and close to certain stroke and dodge each other with pressing bounce-back device, and move the slide rail about relatively and decide the slide rail open to certain stroke and press bounce-back device interact, and the drive presses bounce-back device and resets to the initial position.

The movable slide rail is provided with a shifting part, the fixed slide rail is provided with a damping device, or the movable slide rail is provided with a damping device, and the fixed slide rail is provided with a shifting part.

The movable slide rail is closed to a certain stroke relative to the fixed slide rail, and the movable part is pressed to act and drive the pressing rebound device to reset to the initial position.

And a certain closing stroke is formed between the movable slide rail and the fixed slide rail when the pressing rebounding device is reset to the terminal initial position.

When the movable sliding rail is closed relative to the fixed sliding rail and the movable sliding rail are located at a certain position of a closing stroke, the movable sliding rail acts through the shifting part and drives the damping device to generate damping force, so that the damping sliding closing between the movable sliding rail and the fixed sliding rail is realized.

The left and right movable slide rails are synchronously closed on the left and right fixed slide rails through the matching of the synchronous action part and the synchronous device when the damping slide is closed to a certain stroke.

The synchronous device at least comprises a chute seat and a moving piece; the sliding groove seat is fixedly arranged on the assembly part, the moving part is arranged on the sliding groove seat and is provided with a rack, the sliding groove seat is positioned and rotated corresponding to the rack to be provided with a gear part meshed with the rack, and the moving part linearly slides on the sliding groove seat through the meshing of the rack and the gear part; a synchronous rod is arranged between the left gear piece and the right gear piece; the left and right movable slide rails are opened and closed to a certain stroke relative to the left and right fixed slide rails, and synchronous opening and closing are realized through the cooperation of the synchronous action part, the moving part, the gear part and the synchronous rod.

The moving piece is also rotatably provided with a swinging block, the swinging block is provided with an opening and a guide part, and the sliding chute seat is provided with a guide groove corresponding to the guide part; the synchronous action part acts on the opening of the swinging block when the left and right sliding slides open and close to the left and right fixed sliding rails to a certain stroke and drives the swinging block to position and slide on the guide groove through the guide part; the moving piece linearly slides back and forth on the sliding groove seat through the meshing of the rack and the gear piece and/or the action of the synchronous action part and the swinging block, and drives the synchronous rod to rotate on the sliding groove seat during linear sliding so as to realize the synchronous sliding opening and closing of the left and right moving sliding rails relative to the left and right fixed sliding rails.

The synchronous device also comprises a synchronous elastic part, one end of the synchronous elastic part elastically acts on the moving part, and the other end of the synchronous elastic part elastically acts on the chute seat; the guide groove is provided with a linear guide position and a zigzag guide position; the swinging block is elastically positioned and slides on the linear guide position and the zigzag guide position through the synchronous elastic piece, and is separated from the synchronous action part when sliding to the zigzag guide position.

The pressing rebounding device at least comprises a rebounding support, a pushing element, a sliding element, a pressing elastic element and a lever assembly; the rebounding support is fixedly arranged on the assembly part and provided with a heart-shaped sliding groove, the pushing piece is provided with a sliding part and positioned and/or slides along the track of the heart-shaped sliding groove in a sequence direction through the sliding part, the sliding part is arranged on the pushing piece in a sliding mode, one end of the pressing elastic piece acts on the rebounding support in an elastic mode, the other end of the pressing elastic piece acts on the pushing piece in an elastic mode, and the lever assembly is connected with the pushing piece and/or the sliding part in a matched mode; the movable sliding rail at least acts in a pressing mode when being opened and drives the pushing element and/or the sliding element to rebound and slide on the rebound bracket through pressing the elastic element, and the pushing element and/or the sliding element acts in a sliding mode and drives the movable sliding rail to slide and open on the fixed sliding rail, so that the movable sliding rail is pressed to rebound and slide and open on the fixed sliding rail; the pressing movable part is mutually avoided with the lever assembly when the left and right movable sliding rails are opened to a certain stroke relative to the left and right fixed sliding rails, interacts with the lever assembly when the left and right movable sliding rails are closed to a certain stroke relative to the left and right fixed sliding rails, drives the pushing piece and/or the sliding piece to reset and slide on the rebound support through the lever assembly, and is positioned to the initial position of the terminal.

The heart-shaped sliding groove is provided with a staying area and a limiting sliding area; the pushing piece stays on the stay area through the sliding part and is positioned on the rebounding support when staying; the movable slide rail is also provided with a pressing acting piece; the pushing element stays in the stopping area, the movable sliding rail is pressed by the pressing action element to act on the pushing element at least when the movable sliding rail is opened, the pushing element slides on the sliding element and drives the sliding part to slide out of the stopping area in a sequence direction under the action of the driving guide part arranged on the sliding element when the sliding element slides out of the stopping area, the pushing element slides on the heart-shaped sliding groove in the sequence direction under the action of the elasticity of the pressing elastic element and the limit of the limit sliding area when the sliding element slides out of the stopping area, the pushing element and the sliding element are driven to elastically slide and extend out of the rebounding support, and the pushing element and the sliding element act on and drive the movable sliding rail to slide and open on the fixed sliding rail when the sliding element slides so as to realize the pressing rebounding type sliding.

Still be provided with movable elastic component between moving part and the connecting piece, this movable elastic component one end and moving part one side elastic connection, the other end and connecting piece elastic connection, moving part one side is passed through the activity elastic component activity on the connecting piece, the moving part opposite side location is on the connecting piece, and is provided with and presses the movable part.

The lever assembly at least comprises a first lever and a second lever; one end of the first lever is rotatably arranged on the rebounding bracket, the other end of the first lever is provided with a reset action part, one end of the second lever is rotatably arranged on the first lever, and the other end of the second lever is rotatably arranged on the sliding part; the moving part acts on the reset action part of the first lever by pressing the moving part when the moving slide rail is closed to a certain stroke, the first lever rotates on the rebound support through the driving of the moving part and drives the second lever to act and drive the pushing element to reset and slide on the sliding element when rotating, the pushing element drives the sliding element to reset and slide on the rebound support when resetting and sliding, and the pushing element is positioned on the heart-shaped sliding groove through the sliding part when resetting and sliding so as to realize the resetting of the rebound device to the initial position of the terminal.

The elastic force generated by the pressing elastic piece is greater than the elastic force generated by the synchronous elastic piece and the movable elastic piece.

The reset action part acts on and drives the moving part to elastically move on the connecting part through the movable elastic part when the movable sliding rail is opened to a certain stroke, and the moving part and the reset action part mutually avoid when the moving part elastically moves.

The moving part acts on the reset action part through pressing the movable part when the moving slide rail is closed to a certain stroke, and drives the first lever to rotate on the rebound support, the first lever drives the second lever to act and drives the pushing piece to reset and slide on the sliding piece when rotating, the pushing piece drives the sliding piece to reset and slide on the rebound support when resetting and sliding, and the pushing piece is positioned on the heart-shaped sliding groove through the sliding part when resetting and sliding so as to realize the resetting of the rebound device to the initial position of the terminal.

The utility model discloses an improvement of above-mentioned structure, compared with the prior art, has following advantage:

1. the synchronous action part and the pressing movable part are arranged on the same connecting piece of the left movable sliding rail and the right movable sliding rail, the synchronous device and the pressing rebound device are arranged on the same assembling piece of the left fixed sliding rail and the right fixed sliding rail, the connection compactness among all components is effectively improved, the synchronous action part, the pressing movable part, the positions of the movable sliding rail and the fixed sliding rail occupied by the synchronous device and the pressing rebound device can be reduced, the volume of the whole furniture product is smaller, the assembling processes of the synchronous action part, the pressing movable part, the synchronous device and the pressing rebound device are simplified, the problem that the assembling position of the components is required to be reserved additionally when the components are assembled by a user or the mutual action of the components is not influenced by the assembling position is avoided, and the use stability of the furniture.

2. When the furniture is used, the movable slide rail is driven to slide through the pressing action of the pressing action piece, and the movable slide rail is opened on the left fixed slide rail and the right fixed slide rail through the synchronous action part, the synchronous device and the pressing rebound device in a synchronous sliding manner when sliding, so that the left movable slide rail and the right movable slide rail are automatically and synchronously opened, and the problems that the production cost is improved and the appearance attractiveness of furniture products is influenced due to the fact that handles are installed on the furniture products are effectively solved; meanwhile, the user can automatically and synchronously open the left and right movable slide rails only by pressing any position of the left or right movable slide rails, so that the use experience of the user is effectively improved; the left and right sliding rail assemblies can be synchronously closed through the cooperation of the synchronous action part and the synchronizing device when being closed, so that the problem that the closing of the left and right sliding rail assemblies is not uniform and the use stability of furniture products is influenced is effectively solved.

3. The movable part can move on the movable sliding rail through the movable elastic part when the movable sliding rail is opened and can avoid the reset action part of the lever component, the elastic force of the movable elastic part is extremely small, but the elastic force of the movable elastic part is enough for the movable part to move on the movable sliding rail, so that the working state of the lever component and the press rebound device is not influenced when the movable sliding rail is opened in a sliding way, and the use stability of furniture products is improved; when the movable slide rail is closed to a certain stroke, the movable part acts on the reset action part of the lever assembly through pressing the movable part, the lever assembly drives the pushing element to reset and slide on the sliding element, the pushing element drives the sliding element to reset and slide on the rebound bracket when resetting and sliding, and the pushing element is positioned on the heart-shaped sliding groove when resetting and sliding, so that the rebound device is pressed to reset to the initial position of the terminal; because the lever component is in transmission connection with the sliding component, the force arm between the movable component and the first lever of the lever component is larger than the force arm between the sliding component and the second lever of the lever component, so that under the mutual transmission of force and the length change of the force arm, the reset force of the pressing rebound device is smaller than the opening force of the pressing rebound device, the connection of the lever component and the pressing rebound device can effectively counteract the opening elastic force of the pressing elastic component on the pushing component, so that a user can realize the reset of the pressing rebound device and the sliding closing of the movable slide rail by using the closing acting force smaller than the opening pressing force, the problems that the pressing rebound device cannot be automatically reset after working and is easily touched after the user opens the slide rail, the pressing rebound device is damaged and the appearance of a product is influenced are effectively avoided, and the use of the user is safer, more convenient, Saving worry and labor.

4. The pushing piece acts on the sliding part through the driving guide part, the driving guide part can partially offset the elastic force of the pressing elastic piece acting on the pushing piece, so that a user can use less pressing force to automatically open the movable slide rail, and the user experience is effectively improved.

5. The movable sliding rail forms a certain closing stroke between the pressing rebound device and the fixed sliding rail when resetting to the initial position of the terminal, and when the movable sliding rail is continuously closed, the movable sliding rail acts through the shifting part and drives the damping device to generate damping force, the movable sliding rail can automatically damp and slide and close on the fixed sliding rail, so that the problems that the movable sliding rail collides with the fixed sliding rail due to closing are avoided, the service life of a product is short, the use experience of furniture is affected, and meanwhile, the closing acting force of a user acting on the movable sliding rail can be further reduced.

6. The left and right slide rail assemblies are synchronously opened and closed through the transmission connection of the gear piece and the synchronizing rod, the structure of the synchronizing device is effectively simplified, and meanwhile, the stability of assembly among the components is further improved, so that the assembly is firmer and more compact, the form and position change and the manufacturing tolerance among the components are reduced, and the synchronous opening and closing effect of the left and right slide rail assemblies is good.

In summary, the novel combined type automobile seat has the advantages of being simple and reasonable in structure, reliable in performance, compact in connection among all components, long in service life, low in manufacturing cost, fast and convenient to disassemble and assemble, high in flexibility and the like, and is high in practicability.

Drawings

Fig. 1 is a schematic view of the assembly structure of the left and right slide rail assemblies, the synchronizer, the press rebounding device, the connecting piece, and the assembly piece according to the first embodiment of the present invention.

Fig. 2 is an exploded schematic view of the slide rail assembly, the synchronization device, the press rebounding device, the connection member, and the assembly according to the first embodiment of the present invention.

Fig. 3 is an exploded view of the connecting member, the acting member and the moving member according to the first embodiment of the present invention.

Fig. 4 is an exploded schematic view of a synchronization device according to a first embodiment of the present invention.

Fig. 5 is an exploded schematic view of a press rebounding device according to a first embodiment of the present invention.

Fig. 6 is a schematic structural view of a heart-shaped sliding chute according to a first embodiment of the present invention.

Fig. 7-11 are schematic views illustrating the sliding opening and closing process of the movable slide rail and the fixed slide rail according to the first embodiment of the present invention.

Fig. 12-14 are schematic views illustrating the interaction process between the synchronization device and the synchronization portion according to the first embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 14, the synchronous pressing rebound opening and closing structure for furniture comprises a left slide rail assembly and a right slide rail assembly, wherein the left slide rail assembly and the right slide rail assembly respectively comprise a movable slide rail 1 and a fixed slide rail 2 which are matched with each other in a sliding and opening manner, a connecting piece 3 is arranged on the left slide rail 1 and the right slide rail assembly, a synchronous acting part 4 and a pressing movable part 5 which are independent from each other and form a certain interval are arranged on the connecting piece 3, an assembling piece 6 is arranged on the left slide rail 2 and the right slide rail assembly 6, and a synchronous device a and a pressing rebound device B which are independent; or, the left and right fixed slide rails 2 are provided with connecting pieces 3, the connecting pieces 3 are provided with mutually independent synchronization action parts 4 and pressing movable parts 5 which form a certain distance, the left and right movable slide rails 1 are provided with assembling pieces 6, and the assembling pieces 6 are provided with mutually independent synchronization devices A and pressing rebounding devices B which form a certain distance.

When the left and right movable slide rails 1 are opened, the left or right movable slide rails 1 are acted by a tool or manually and the left and right movable slide rails 1 are driven to slide and open on the left and right fixed slide rails 2, and when the left and right movable slide rails 1 slide and open, the left and right fixed slide rails 2 are synchronously slid and opened through the matching of the synchronous action part 4, the synchronous device A and the pressing rebound device B.

When the left and right movable slide rail 1 is opened or closed to a certain stroke relative to the left and right fixed slide rail 2, the pressing movable part 5 acts and drives the pressing rebound device B to reset to the initial position.

When the left and right movable slide rails 1 are closed to a certain stroke, the left and right fixed slide rails 2 are synchronously closed in a sliding manner through the matching of the synchronous acting part 4 and the synchronizer A.

The connecting piece 3 is fixedly arranged on the left and right movable slide rails 1 and is provided with an acting piece and a movable piece, the acting piece and the movable piece are mutually independent, and a certain distance is formed between the acting piece and the movable piece; the assembly parts 6 are fixedly arranged on the left fixed slide rail 2 and the right fixed slide rail 2; the synchronizing device A and the pressing rebounding device B are independent from each other, form a certain distance therebetween and are respectively arranged on the assembly part 6.

The synchronous acting part 4 is arranged on the acting piece and interacts with the synchronous device A when the left and right movable slide rails 1 open and close to a certain stroke relative to the left and right fixed slide rails 2, so as to realize the synchronous sliding opening and closing of the left and right movable slide rails 1 relative to the left and right fixed slide rails 2.

The pressing movable portion 5 is disposed on the movable member, and the pressing movable portion 5 is configured to be capable of avoiding the pressing rebounding device B when the left and right movable slide rails 1 are opened to a certain stroke relative to the left and right fixed slide rails 2, and is configured to interact with the pressing rebounding device B when the left and right movable slide rails 1 are closed to a certain stroke relative to the left and right fixed slide rails 2, and to drive the pressing rebounding device B to return to an initial position, or the pressing movable portion 5 is configured to be capable of avoiding the pressing rebounding device B when the left and right movable slide rails 1 are closed to a certain stroke relative to the left and right fixed slide rails 2, and is configured to interact with the pressing rebounding device B when the left and right movable slide rails 1 are opened to a certain stroke relative to the.

The movable slide rail 1 is provided with a shifting part 7, the fixed slide rail 2 is provided with a damping device C, or the movable slide rail 1 is provided with a damping device C, and the fixed slide rail 2 is provided with a shifting part 7.

When the movable slide rail 1 is closed to a certain stroke relative to the fixed slide rail 2, the pressing movable part 5 acts and drives the pressing rebound device B to reset to the initial position.

Wherein, the movable slide rail 1 and the fixed slide rail 2 form a certain closing stroke when the pressing rebounding device is reset to the terminal initial position.

When the movable slide rail 1 is closed relative to the fixed slide rail 2 and the movable slide rail 1 and the fixed slide rail are located at a certain position of a closing stroke, the movable slide rail 1 acts through the shifting part 7 and drives the damping device C to generate damping force, so that the damping sliding closing between the movable slide rail 1 and the fixed slide rail 2 is realized.

When the left and right movable slide rails 1 slide and close to a certain stroke in a damping mode, the left and right fixed slide rails 2 are synchronously slid and closed through the matching of the synchronous acting part 4 and the synchronizer A.

The synchronizer A at least comprises a sliding groove seat 8 and a moving piece 9; the sliding groove seat 8 is fixedly arranged on the assembly part 6, the moving part 9 is arranged on the sliding groove seat 8 and is provided with a rack 10, the sliding groove seat 8 is positioned and rotated corresponding to the rack 10 to be provided with a gear part 11 meshed with the rack, and the moving part 9 linearly slides on the sliding groove seat 8 through the meshing of the rack 10 and the gear part 11; a synchronous rod 12 is arranged between the left gear piece 11 and the right gear piece 11; when the left and right movable slide rail 1 is opened and closed to a certain stroke relative to the left and right fixed slide rail 2, synchronous opening and closing are realized through the matching of the synchronous action part 4, the moving part 9, the gear part 11 and the synchronous rod 12.

The moving piece 9 is also rotatably provided with a swing block 13, the swing block 13 is provided with an opening 14 and a guide part 15, and the sliding groove seat 8 is provided with a guide groove 16 corresponding to the guide part 15; the synchronous action part 4 acts on the opening 14 of the swing block 13 when the left and right movable slide rail 1 is opened and closed to a certain stroke relative to the left and right fixed slide rails 2, and drives the swing block 13 to be positioned and slide on the guide groove 16 through the guide part 15; the moving member 9 linearly slides back and forth on the sliding groove seat 8 through the engagement of the rack 10 and the gear member 11 and/or the action of the synchronous acting part 4 and the swing block 13, and drives the synchronous rod 12 to rotate on the sliding groove seat 8 during linear sliding, so as to realize the synchronous sliding opening and closing of the left and right moving slide rail 1 relative to the left and right fixed slide rails 2.

The synchronizer A also comprises a synchronous elastic part 17, one end of the synchronous elastic part 17 elastically acts on the moving part 9, and the other end elastically acts on the sliding groove seat 8; the guide groove 16 is provided with a linear guide position 18 and a zigzag guide position 19; the swinging block 13 is elastically positioned and slides on the linear guide position 18 and the zigzag guide position 19 through the synchronous elastic piece 17, and is separated from the synchronous action part 4 when sliding to the zigzag guide position 19.

The pressing rebounding device B at least comprises a rebounding bracket 20, a pushing element 21, a sliding element 22, a pressing elastic element 23 and a lever component; wherein, the rebound bracket 20 is fixedly arranged on the assembly part 6 and is provided with a heart-shaped chute 24, the pushing element 21 is provided with a sliding part 25 and is positioned and/or slides along the track of the heart-shaped chute 24 in a sequence direction through the sliding part 25, the sliding element 22 is arranged on the pushing element 21 in a sliding way, one end of the pressing elastic element 23 elastically acts on the rebound bracket 20, the other end elastically acts on the pushing element 21, and the lever component is connected with the pushing element 21 and/or the sliding element 22 in a matching way; the movable sliding rail 1 at least acts in a pressing mode when being opened and drives the pushing element 21 and/or the sliding element 22 to rebound and slide on the rebound bracket 20 through the pressing elastic element 23, and the pushing element 21 and/or the sliding element 22 acts in a sliding mode and drives the movable sliding rail 1 to slide and open on the fixed sliding rail 2, so that the movable sliding rail 1 is pressed and rebounded to slide and open on the fixed sliding rail 2; the pressing movable part 5 is mutually avoided with the lever assembly when the left and right movable slide rails 1 are opened to a certain stroke relative to the left and right fixed slide rails 2, interacts with the lever assembly when the left and right movable slide rails 1 are closed to a certain stroke relative to the left and right fixed slide rails 2, drives the pushing piece 21 and/or the sliding piece 22 to reset and slide on the rebound support 20 through the lever assembly, and is positioned to the initial position of the terminal.

The heart-shaped sliding chute 24 is provided with a staying area 26 and a limiting sliding area 27; the pusher shoe 21 rests on the rest area 26 by means of the glide 25 and is positioned on the rebound support 20 during the rest; the movable slide rail 1 is also provided with a pressing acting piece 28; the pushing element 21 stays in the stopping area 26, when the movable sliding rail 1 is pressed on the pushing element 21 through the pressing acting element 28 at least when the movable sliding rail 1 is opened, the pushing element 21 slides on the sliding element 22, and drives the sliding part 25 to slide out of the stopping area 26 in a sequence direction through the action of the driving guide part 29 arranged on the sliding element, when the sliding part 25 slides out of the stopping area 26, the pushing element 21 slides on the heart-shaped sliding groove 24 in a sequence direction through the elasticity of the pressing elastic element 23 and the limit of the limit sliding area 27, and drives the pushing element 21 and the sliding element 22 to elastically slide and extend out of the rebound bracket 20, and the pushing element 21 and the sliding element 22 act and drive the movable sliding rail 1 to slide and open on the fixed sliding rail 2 when the pushing element 21 and the sliding element 22 slide and open on the fixed sliding rail 2 in a pressing rebound type.

A movable elastic element 30 is further arranged between the movable element and the connecting element 3, one end of the movable elastic element 30 is elastically connected with one side of the movable element, the other end of the movable elastic element is elastically connected with the connecting element 3, one side of the movable element is movable on the connecting element 3 through the movable elastic element 30, and the other side of the movable element is positioned on the connecting element 3 and is provided with a pressing movable part 5.

The lever assembly comprises at least a first lever 31, a second lever 32; wherein, one end of the first lever 31 is rotatably arranged on the rebound bracket 20, the other end is provided with a reset acting part 33, one end of the second lever 32 is rotatably arranged on the first lever 31, and the other end is rotatably arranged on the sliding part 22; the movable member acts on the reset action portion 33 of the first lever 31 by pressing the movable portion 5 when the movable sliding rail 1 is closed to a certain stroke, the first lever 31 rotates on the rebounding support 20 by the driving of the movable member, and drives the second lever 32 to act and drive the pushing and moving member 21 to reset and slide on the sliding member 22 when rotating, the pushing and moving member 21 drives the sliding member 22 to reset and slide on the rebounding support 20 when resetting and sliding, and the pushing and moving member 21 is positioned on the heart-shaped sliding groove 24 by the sliding portion 25 when resetting and sliding, so that the rebounding device is reset to the initial terminal position by pressing.

The elastic force generated by the pressing elastic member 23 is greater than the elastic forces generated by the synchronizing elastic member 17 and the movable elastic member 30.

The reset action part 33 acts when the movable sliding rail 1 is opened to a certain stroke and drives the movable piece to elastically move on the connecting piece 3 through the movable elastic piece 30, and the movable piece and the reset action part 33 mutually avoid when the movable piece elastically moves.

When the movable sliding rail 1 is closed to a certain stroke, the movable part acts on the reset acting part 33 through pressing the movable part 5 and drives the first lever 31 to rotate on the rebound support 20, the first lever 31 drives the second lever 32 to act and drives the pushing element 21 to reset and slide on the sliding element 22 when rotating, the pushing element 21 drives the sliding element 22 to reset and slide on the rebound support 20 when resetting and sliding, and the pushing element 21 is positioned on the heart-shaped sliding groove 24 through the sliding part 25 when resetting and sliding, so that the rebound device is pressed to reset to the initial position of the terminal.

The opening and closing change processes of the movable slide rail 1 and the fixed slide rail 2 are shown in fig. 7-11, wherein fig. 12-14 correspond to the interaction change processes of the synchronization device a and the synchronization action part 4 in fig. 9-11.

The drawings are for illustrative purposes only and are presented in the form of illustrations only, not illustrations as physical or logical, and should not be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Moreover, like or similar reference numerals in the drawings of the embodiments of the present invention correspond to like or similar parts; in the description of the present invention, it should be understood that, if there are any terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "longitudinal", "top", "bottom", "inner", "outer", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is for convenience and simplicity, and it is not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationships in the drawings are used for illustrative purposes only and are not to be construed as limiting the present patent.

Claims

1. The utility model provides a bounce-back switching structure is pressed in step for furniture, slide rail set spare about including, slide rail set spare about includes slide rail set spare each other and open and close complex move slide rail (1) and decide slide rail (2), its characterized in that: the left and right movable sliding rails (1) are provided with connecting pieces (3), the connecting pieces (3) are provided with a synchronous acting part (4) and a pressing movable part (5) which are independent from each other and form a certain distance, the left and right fixed sliding rails (2) are provided with assembling pieces (6), and the assembling pieces (6) are provided with a synchronizing device (A) and a pressing rebound device (B) which are independent from each other and form a certain distance; or the left and right fixed slide rails (2) are provided with connecting pieces (3), the connecting pieces (3) are provided with a synchronous action part (4) and a pressing movable part (5) which are mutually independent and form a certain interval, the left and right movable slide rails (1) are provided with assembling pieces (6), and the assembling pieces (6) are provided with a synchronous device (A) and a pressing rebound device (B) which are mutually independent and form a certain interval;

when the left and right movable slide rails (1) are opened, the left or right movable slide rails (1) are acted by a tool or manually and are driven to slide and open on the left and right fixed slide rails (2), and when the left and right movable slide rails (1) slide and open on the left and right fixed slide rails (2) synchronously through the matching of the synchronous action part (4), the synchronous device (A) and the pressing rebound device (B);

the left and right movable slide rails (1) are opened or closed relative to the left and right fixed slide rails (2) to a certain stroke, and the pressing rebounding device (B) is driven to reset to an initial position under the action of the pressing movable part (5);

when the left and right movable slide rails (1) are closed to a certain stroke, the left and right movable slide rails are synchronously closed on the left and right fixed slide rails (2) in a sliding manner through the matching of the synchronous action part (4) and the synchronous device (A).

2. The synchronous push-bounce opening and closing structure for furniture according to claim 1, wherein: the connecting piece (3) is fixedly arranged on the left and right movable sliding rails (1) and is provided with an acting piece and a movable piece, the acting piece and the movable piece are mutually independent, and a certain distance is formed between the acting piece and the movable piece; the assembly parts (6) are fixedly arranged on the left fixed slide rail and the right fixed slide rail (2); the synchronous device (A) and the pressing rebounding device (B) are independent from each other, form a certain distance therebetween and are respectively arranged on the assembly part (6);

the synchronous acting part (4) is arranged on the acting piece and interacts with the synchronous device (A) when the left and right movable slide rails (1) open and close to a certain stroke relative to the left and right fixed slide rails (2) so as to realize the synchronous sliding opening and closing of the left and right movable slide rails (1) relative to the left and right fixed slide rails (2);

press movable part (5) set up on the moving part, press movable part (5) move slide rail (1) about relatively about and decide slide rail (2) open to certain stroke and press bounce-back device (B) and dodge each other, and move slide rail (1) about relatively about and decide slide rail (2) and close to certain stroke with press bounce-back device (B) interact about to, and the drive presses bounce-back device (B) and resets to the initial position, perhaps, press movable part (5) move slide rail (1) about relatively about and decide slide rail (2) close to certain stroke and press bounce-back device (B) and dodge each other, and move slide rail (1) about relatively about and decide slide rail (2) open to certain stroke and press bounce-back device (B) interact, and the drive presses bounce-back device (B) and resets to the initial position.

3. The synchronous push-bounce opening and closing structure for furniture according to claim 2, wherein: a shifting part (7) is arranged on the movable sliding rail (1), a damping device (C) is arranged on the fixed sliding rail (2), or the damping device (C) is arranged on the movable sliding rail (1), and the shifting part (7) is arranged on the fixed sliding rail (2);

the movable sliding rail (1) is closed to a certain stroke relative to the fixed sliding rail (2) and drives the pressing rebound device (B) to reset to an initial position under the action of the pressing movable part (5);

the movable sliding rail (1) and the fixed sliding rail (2) form a certain closing stroke when the pressing rebounding device is reset to the terminal initial position;

when the movable sliding rail (1) is closed relative to the fixed sliding rail (2) and the movable sliding rail (1) and the fixed sliding rail (2) are located at a certain position of a closing stroke, the movable sliding rail (1) acts through the shifting part (7) and drives the damping device (C) to generate damping force, so that the damping sliding closing between the movable sliding rail (1) and the fixed sliding rail (2) is realized;

the left and right movable slide rails (1) are synchronously closed on the left and right fixed slide rails (2) in a sliding way through the matching of the synchronous action part (4) and the synchronous device (A) when the damping sliding is closed to a certain stroke.

4. The synchronous push-bounce opening and closing structure for furniture according to claim 3, wherein: the synchronization device (A) at least comprises a sliding groove seat (8) and a moving piece (9); the sliding groove seat (8) is fixedly arranged on the assembly part (6), the moving part (9) is arranged on the sliding groove seat (8) and is provided with a rack (10), the sliding groove seat (8) is positioned and rotated corresponding to the rack (10) to be provided with a gear part (11) meshed with the rack (10), and the moving part (9) linearly slides on the sliding groove seat (8) through the meshing of the rack (10) and the gear part (11); a synchronous rod (12) is arranged between the left gear piece and the right gear piece (11); the left and right movable slide rail (1) is opened and closed to a certain stroke relative to the left and right fixed slide rail (2), and synchronous opening and closing are realized through the matching of the synchronous action part (4), the moving part (9), the gear part (11) and the synchronous rod (12).

5. The synchronous push-bounce opening and closing structure for furniture according to claim 4, wherein: the moving piece (9) is also rotatably provided with a swing block (13), the swing block (13) is provided with an opening (14) and a guide part (15), and the sliding groove seat (8) is provided with a guide groove (16) corresponding to the guide part (15); the synchronous action part (4) acts on an opening (14) of the swinging block (13) when the left and right movable slide rail (1) is opened and closed relative to the left and right fixed slide rails (2) to a certain stroke, and drives the swinging block (13) to be positioned and slide on the guide groove (16) through the guide part (15); the moving piece (9) linearly slides back and forth on the sliding groove seat (8) through the meshing of the rack (10) and the gear piece (11) and/or the action of the synchronous action part (4) and the swinging block (13), and drives the synchronous rod (12) to rotate on the sliding groove seat (8) during linear sliding so as to realize the synchronous sliding opening and closing of the left and right movable sliding rails (1) relative to the left and right fixed sliding rails (2).

6. The synchronous push-bounce opening and closing structure for furniture according to claim 5, wherein: the synchronous device (A) also comprises a synchronous elastic piece (17), one end of the synchronous elastic piece (17) elastically acts on the moving piece (9), and the other end elastically acts on the sliding groove seat (8); the guide groove (16) is provided with a linear guide position (18) and a zigzag guide position (19); the swinging block (13) is elastically positioned and slides on the linear guide position (18) and the zigzag guide position (19) through the synchronous elastic piece (17), and is separated from the synchronous action part (4) when sliding to the zigzag guide position (19).

7. The synchronous push-bounce opening and closing structure for furniture according to claim 6, wherein: the pressing rebounding device (B) at least comprises a rebounding support (20), a pushing element (21), a sliding element (22), a pressing elastic element (23) and a lever assembly; the rebounding support (20) is fixedly arranged on the assembly part (6) and is provided with a heart-shaped sliding groove (24), the pushing piece (21) is provided with a sliding part (25) and is positioned and/or slides along the track of the heart-shaped sliding groove (24) in a sequence direction through the sliding part (25), the sliding part (22) is arranged on the pushing piece (21) in a sliding mode, one end of the pressing elastic part (23) elastically acts on the rebounding support (20), the other end of the pressing elastic part elastically acts on the pushing piece (21), and the lever assembly is connected with the pushing piece (21) and/or the sliding part (22) in a matched mode; the movable sliding rail (1) at least acts in a pressing mode when being opened and drives the pushing piece (21) and/or the sliding piece (22) to rebound and slide on the rebound bracket (20) through the pressing elastic piece (23), and the pushing piece (21) and/or the sliding piece (22) acts in a sliding mode and drives the movable sliding rail (1) to slide and open on the fixed sliding rail (2) so as to realize that the movable sliding rail (1) slides and opens on the fixed sliding rail (2) in a pressing and rebounding mode; the pressing movable part (5) is mutually avoided with the lever assembly when the left and right movable sliding rails (1) and the left and right fixed sliding rails (2) are opened to a certain stroke relatively, is interacted with the lever assembly when the left and right movable sliding rails (1) and the left and right fixed sliding rails (2) are closed to a certain stroke relatively, drives the pushing piece (21) and/or the sliding piece (22) to reset and slide on the rebounding support (20) through the lever assembly, and is positioned to the initial position of the terminal.

8. The synchronous push-bounce opening and closing structure for furniture according to claim 7, wherein: a staying area (26) and a limiting sliding area (27) are arranged on the heart-shaped sliding groove (24); the pushing piece (21) stays on the stay area (26) through the sliding part (25) and is positioned on the rebounding bracket (20) during stay; the movable sliding rail (1) is also provided with a pressing acting piece (28); the pushing element (21) stays in the staying area (26), when the movable sliding rail (1) is pressed on the pushing element (21) through the pressing acting element (28) at least when the movable sliding rail (1) is opened, the pushing element (21) slides on the sliding element (22), and drives the sliding part (25) to slide out of the staying area (26) in a sequence direction through the action of the driving guide part (29) arranged on the sliding element, when the sliding part (25) slides out of the staying area (26), the pushing element (21) slides on the heart-shaped sliding groove (24) in the sequence direction through the elasticity of the pressing elastic element (23) and the limit of the limit sliding area (27), and drives the pushing element (21) and the sliding element (22) to elastically slide and extend out of the rebound bracket (20), and the pushing element (21) and the sliding element (22) act and drive the movable sliding rail (1) to slide and open on the fixed sliding rail (2) when sliding, so as to realize that the movable sliding rail (1) is pressed and rebounded to slide and open on the fixed sliding rail (2).

9. The synchronous push-bounce opening and closing structure for furniture according to claim 8, wherein: a movable elastic piece (30) is also arranged between the movable piece and the connecting piece (3), one end of the movable elastic piece (30) is elastically connected with one side of the movable piece, the other end of the movable elastic piece is elastically connected with the connecting piece (3), one side of the movable piece is movable on the connecting piece (3) through the movable elastic piece (30), and the other side of the movable piece is positioned on the connecting piece (3) and is provided with a pressing movable part (5);

the lever assembly at least comprises a first lever (31) and a second lever (32); one end of the first lever (31) is rotatably arranged on the rebound bracket (20), the other end of the first lever is provided with a reset action part (33), one end of the second lever (32) is rotatably arranged on the first lever (31), and the other end of the second lever is rotatably arranged on the sliding part (22); the movable piece acts on a reset action portion (33) of the first lever (31) through pressing the movable portion (5) when the movable sliding rail (1) is closed to a certain stroke, the first lever (31) rotates on the rebound support (20) through driving of the movable piece and drives the second lever (32) to act and drive the pushing piece (21) to reset and slide on the sliding piece (22) when rotating, the pushing piece (21) drives the sliding piece (22) to reset and slide on the rebound support (20) when resetting and sliding, and the pushing piece (21) is positioned on the heart-shaped sliding groove (24) through the sliding portion (25) when resetting and sliding so as to press the rebound device to reset to a terminal initial position.

10. The synchronous push-bounce opening and closing structure for furniture according to claim 9, wherein: the elastic force generated by the pressing elastic piece (23) is greater than the elastic force generated by the synchronous elastic piece (17) and the movable elastic piece (30);

the reset action part (33) acts and drives the moving part to elastically move on the connecting piece (3) through the movable elastic piece (30) when the moving slide rail (1) is opened to a certain stroke, and the moving part and the reset action part (33) mutually avoid when the moving part elastically moves;

the moving part acts on the reset action part (33) through pressing the movable part (5) when the moving slide rail (1) is closed to a certain stroke, and drives the first lever (31) to rotate on the rebound support (20), the first lever (31) drives the second lever (32) to act and drives the pushing piece (21) to reset and slide on the sliding piece (22) when rotating, the pushing piece (21) drives the sliding piece (22) to reset and slide on the rebound support (20) when resetting and sliding, and the pushing piece (21) is positioned on the heart-shaped sliding groove (24) through the sliding part (25) when resetting and sliding, so that the rebound device is pressed to reset to the initial position of a terminal.