CN216454224U - Back lifting transmission device - Google Patents

Abstract

The utility model discloses a back lift transmission, it includes drive arrangement, mount, slide rail direction subassembly and connecting seat, the connecting seat passes through slide rail direction subassembly with the mount is connected, borrows by slide rail direction subassembly makes the connecting seat can be relative the mount removes, drive arrangement's output has the connecting piece, the connecting piece with the connecting seat all is used for being connected with the back, the connecting piece is in move and the interlock under drive arrangement's the connecting seat is in slide rail direction subassembly's direction moves down. The utility model discloses a back lift transmission has the transmission and stabilizes, reduces work piece beat phenomenon and reduces cost of maintenance's advantage.

Description

Back lifting transmission device

Technical Field

The utility model relates to a furniture equipment field especially relates to a back lifting transmission.

Background

The sofa is one of common domestic furniture, along with the demand of using, electronic sofa becomes more and more common, often directly connects the output at the motor with the back on electronic sofa's the back, though can accomplish the purpose that the back reciprocated like this, in long-term use, because the back does not have transmission, so the phenomenon of back beat often appears easily, or the transmission is unstable phenomenon, has improved the cost of maintenance, so can't satisfy current user demand.

In order to solve the above problems, it is necessary to provide a backrest lifting transmission device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a back lift transmission that the transmission is stable, reduce work piece beat phenomenon and reduce cost of maintenance.

In order to realize the above object, the utility model provides a back lift transmission includes drive arrangement, mount, slide rail direction subassembly and connecting seat, the connecting seat passes through slide rail direction subassembly with the mount is connected, borrows by slide rail direction subassembly makes the connecting seat can be relative the mount removes, drive arrangement's output has the connecting piece, the connecting piece with the connecting seat all is used for being connected with the back, the connecting piece is in drive arrangement's drive moves and the interlock the connecting seat is in slide rail direction subassembly's direction moves down.

Preferably, the backrest lifting transmission device further includes a link mechanism and a synchronizing rod, the link mechanism includes a first rod and a second rod, the first rod is connected to the synchronizing rod, one end of the first rod is pivotally connected to the fixing frame, the other end of the first rod is pivotally connected to one end of the second rod, the other end of the second rod is pivotally connected to the connecting seat, and the movement of the connecting seat drives the folding and unfolding of the link mechanism and the swinging of the synchronizing rod.

Specifically, the link mechanisms are symmetrically arranged on two sides of the fixed frame, and the two link mechanisms are connected to two sides of the synchronizing rod.

Preferably, the slide rail guide assemblies are symmetrically arranged on two sides of the fixing frame, and the driving device is arranged in the middle of the fixing frame.

Preferably, the slide rail guide assembly includes an outer rail and an inner rail, the outer rail is recessed inwards to form a groove, the outer rail extends towards two sides of the inner rail to form two outer limiting portions, the inner rail is recessed inwards to form a groove, the inner rail extends towards the groove of the outer rail to form two inner limiting portions, and the inner limiting portions are clamped with the outer limiting portions and can slide relatively to the outer limiting portions.

Preferably, the connecting seat extends outwards to form a connecting lug for connecting with the backrest.

Specifically, the connecting lugs are arranged at intervals along the length direction of the connecting seat.

Specifically, the fixing frame comprises a cross rod and vertical rods connected to two sides of the cross rod, the driving device is pivoted with the middle of the cross rod, and the two vertical rods are connected with the connecting seat.

Preferably, the backrest lifting transmission device further comprises a backrest, and the connecting piece and the connecting seat are connected with the backrest.

Preferably, the driving device is a driving motor.

Compared with the prior art, the backrest lifting transmission device of the utility model combines the driving device, the fixing frame, the slide rail guide component and the connecting seat, the connecting seat is connected with the fixing frame through the slide rail guide component, the connecting seat can move relative to the fixing frame by the slide rail guide component, thereby the connecting seat can move more smoothly relative to the fixing frame, the output end of the driving device is provided with the connecting piece, the connecting piece and the connecting seat are both used for being connected with the backrest, the backrest can be connected between the connecting piece and the connecting seat, the movement of the connecting piece can drive the movement of the connecting seat, a synchronous mechanism is formed between the connecting piece, the backrest and the connecting seat through connection, the connecting piece moves under the driving of the driving device and links the connecting seat to move under the guide of the slide rail guide component, namely, the connecting piece mainly forms a power mechanism for the backrest, and the slide rail direction subassembly of being connected with the connecting seat then can play direction and the stable effect of transmission to the motion of back for the back can have a plurality of tie points, has the advantage that the transmission is stable, reduce work piece beat phenomenon and reduce cost of maintenance.

Drawings

Fig. 1 is a front view of the backrest lifting transmission of the present invention.

Fig. 2 is a perspective view of the backrest lifting transmission device of the present invention at the back of the hidden backrest.

Fig. 3 is a perspective view of the backrest lifting transmission of the present invention at another angle behind the backrest.

Detailed Description

Referring to fig. 1 to 3, a detailed structure of a backrest lifting transmission device 100 of the present invention is shown, which includes a driving device 1, a fixing frame 2, a slide rail guide assembly 3, a backrest 7 and a connecting seat 4, wherein the connecting seat 4 is connected to the fixing frame 2 through the slide rail guide assembly 3, the slide rail guide assembly 3 is symmetrically disposed at two sides of the fixing frame 2, two sets of slide rail guide assemblies 3 are disposed, the two slide rail guide assemblies 3 are symmetrically disposed, the driving device 1 is mounted at the middle portion of the fixing frame 2, the connecting seat 4 can move relative to the fixing frame 2 by the slide rail guide assembly 3, the slide rail guide assembly 3 can play a guiding role, so that the connecting seat 4 can move more smoothly relative to the fixing frame 2, the output end of the driving device 1 has a connecting member 11, the connecting member 11 and the connecting seat 4 are both used for connecting with the backrest 7, the connecting member 11 and the connecting seat 4 are both connected with the backrest 7, connecting seat 4 is connected in the both sides of back 7, connecting piece 11 is connected in the middle part of back 7, back 7 can form between connecting piece 11 and connecting seat 4 and be connected, the removal of connecting piece 11 can drive the removal of connecting seat 4, make connecting piece 11, form lazytongs through connecting between back 7 and the connecting seat 4, connecting piece 11, back 7 and connecting seat 4 go up and down in step, connecting piece 11 moves and interlock connecting seat 4 moves down in the direction of slide rail direction subassembly 3 under drive arrangement 1's drive, namely, connecting piece 11 mainly forms power unit to back 7, and slide rail direction subassembly 3 who is connected with connecting seat 4 then can play direction and the stable effect of transmission to the motion of back 7, make back 7 can have a plurality of tie points, it is stable to have the transmission, reduce the work piece beat phenomenon and reduce cost of maintenance's advantage. Preferably, the driving device 1 is a driving motor, but is not limited thereto. More specifically, the following:

please refer to fig. 1 to 3, the backrest lifting transmission device 100 of the present invention further includes a link mechanism 5 and a synchronization rod 6, the synchronization rod 6 moves along the left and right direction of the fixing frame 2, the link mechanism 5 includes a first rod 51 and a second rod 52, the first rod 51 is connected to the synchronization rod 6, one end of the first rod 51 is pivoted to the fixing frame 2, the other end of the first rod 51 is pivoted to one end of the second rod 52, the other end of the second rod 52 is pivoted to the connecting seat 4, and the movement of the connecting seat 4 drives the folding and unfolding of the link mechanism 5 and drives the synchronization rod 6 to swing. The link mechanisms 5 are symmetrically arranged on two sides of the fixing frame 2, in the embodiment, the two link mechanisms 5 are arranged, the two link mechanisms 5 are connected to two sides of the synchronizing rod 6, left and right synchronization can be realized by the arrangement of the synchronizing rod 6, and no matter which side is in running or delayed during movement, the other side can perform action correction and interaction.

Referring to fig. 1 to 3, the slide rail guiding assembly 3 includes an outer rail 31 and an inner rail 32, the outer rail 31 is recessed inward to form a groove, the outer rail 31 extends to two sides of the inner rail 32 to form two outer limiting portions 311, the inner rail 32 is recessed inward to form a groove, the inner rail 32 extends into the groove of the outer rail 31 to form two inner limiting portions 321, and the inner limiting portions 321 are engaged with the outer limiting portions 311 and can slide relative to each other. The connecting base 4 extends outwards to form a connecting lug 41 for connecting with the backrest 7, and the connecting lug 41 can improve the stability of connection. Preferably, the connecting lugs 41 are spaced apart along the length of the connecting socket 4, so as to improve the stability of the connection.

Referring to fig. 1 to 3, the fixing frame 2 includes a cross bar 21 and vertical bars 22 connected to two sides of the cross bar 21, the fixing frame 2 is an inverted portal frame structure, the bottom of the driving device 1 is pivotally connected to the middle of the cross bar 21, and the two vertical bars 22 are both connected to a connecting base 4.

In summary, referring to fig. 1 to 3, a detailed description will be made of the usage of the backrest lifting transmission device 100 of the present invention:

install connecting seat 4 in the both sides of back 7 through engaging lug 41 of connecting seat 4, be connected the connecting piece 11 of drive arrangement 1's output with the middle part of back 7, connecting piece 11 moves and drives back 7 under drive arrangement 1's drive, connecting seat 4, the synchronous motion of first member 51 and second member 52, borrow the transmission of drive slide rail guide assembly 3 by the removal of back 7, back 7 does more smooth and easy removal under the direction of slide rail guide assembly 3, namely, connecting piece 11 mainly forms power unit to back 7, and slide rail guide assembly 3 who is connected with connecting seat 4 then can play direction and the stable effect of transmission to the motion of back 7, synchronous lever 6's setting can realize left and right synchronization, no matter which side appears running or postponing during the motion, the opposite side all can move and correct, interact.

By combining the driving device 1, the fixing frame 2, the slide rail guide component 3, the connecting seat 4 and the like together, the connecting seat 4 is connected with the fixing frame 2 through the slide rail guide component 3, the connecting seat 4 can move relative to the fixing frame 2 by means of the slide rail guide component 3, so that the connecting seat 4 can move more smoothly relative to the fixing frame 2, the output end of the driving device 1 is provided with a connecting piece 11, the connecting piece 11 and the connecting seat 4 are both used for being connected with the backrest 7, the backrest 7 can be connected between the connecting piece 11 and the connecting seat 4, the connecting piece 11 can drive the connecting seat 4 to move by moving, a synchronous mechanism is formed by connecting the connecting piece 11, the backrest 7 and the connecting seat 4, the connecting piece 11 moves under the driving of the driving device 1 and links the connecting seat 4 to move downwards under the guiding of the slide rail guide component 3, namely, the connecting piece 11 mainly forms a power mechanism for the backrest 7, the sliding rail guide component 3 connected with the connecting seat 4 can play a role in guiding and stably transmitting the movement of the backrest 7, so that the backrest 7 can have a plurality of connecting points, and the sliding rail guide component has the advantages of being stable in transmission, reducing workpiece deflection and reducing maintenance cost.

The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the scope of the present invention is not limited to the above embodiments.

Claims (10)

1. The utility model provides a backrest lifting transmission device, its characterized in that, it includes drive arrangement, mount, slide rail direction subassembly and connecting seat, the connecting seat passes through the slide rail direction subassembly with the mount is connected, borrows by the slide rail direction subassembly makes the connecting seat can move relatively the mount, drive arrangement's output has the connecting piece, the connecting piece with the connecting seat all is used for being connected with the backrest, the connecting piece is in drive arrangement's drive moves and interlock the connecting seat is in the guide of slide rail direction subassembly moves down.

2. The backrest lifting transmission device of claim 1, further comprising a linkage mechanism and a synchronization rod, wherein the linkage mechanism comprises a first rod and a second rod, the first rod is connected with the synchronization rod, one end of the first rod is pivotally connected with the fixing frame, the other end of the first rod is pivotally connected with one end of the second rod, the other end of the second rod is pivotally connected with the connecting seat, and the movement of the connecting seat drives the folding and unfolding of the linkage mechanism and drives the synchronization rod to swing.

3. The backrest lifting transmission device as claimed in claim 2, wherein said link mechanisms are symmetrically disposed on both sides of said fixed frame, and both said link mechanisms are connected to both sides of said synchronization bar.

4. The backrest lifting transmission device as claimed in claim 1, wherein the rail guide assemblies are symmetrically disposed at both sides of the fixed frame, and the driving device is installed at a middle portion of the fixed frame.

5. The backrest lifting transmission device as claimed in claim 1, wherein the slide rail guide assembly comprises an outer rail and an inner rail, the outer rail is recessed inwardly to form a groove, the outer rail extends towards both sides of the inner rail to form two outer limiting portions, the inner rail is recessed inwardly to form a groove, the inner rail extends into the groove of the outer rail to form two inner limiting portions, and the inner limiting portions are engaged with the outer limiting portions and can slide relative to each other.

6. The back lift transmission of claim 1, wherein said connector blocks extend outwardly to form attachment ears for attachment to the back.

7. The backrest lifting transmission as claimed in claim 6, wherein the attachment lugs are spaced apart along the length of the attachment base.

8. The backrest lifting transmission device as claimed in claim 6, wherein the fixing frame comprises a cross bar and vertical bars connected to both sides of the cross bar, the driving device is pivotally connected to the middle portion of the cross bar, and both of the vertical bars are connected to one of the connecting seats.

9. The back-rest lift actuator of claim 1, further comprising a back rest, wherein the connector and the connector base are both connected to the back rest.

10. The back lifting transmission of claim 1, wherein the drive means is a drive motor.

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