CN216393579U - A combined sofa backrest connecting assembly - Google Patents

Abstract

The utility model discloses a combined sofa backrest connecting assembly, which relates to the technical field of sofa processing. The angle adjustment mechanism is fixedly connected, and the angle adjustment mechanism is fixedly connected to the connection mechanism. The utility model can adapt to the installation of backrests of different heights by setting the height adjustment mechanism. For the installation of sofas of different lengths, the angle of the connection mechanism can be adjusted by setting the angle adjustment mechanism, and the connection and installation with the frame can be realized in combination with the connection mechanism, which increases the efficiency of the sofa backrest connection and enriches the practicability of the components.

Description

Modular sofa back coupling assembling

Technical Field

The utility model relates to the technical field of sofa processing, in particular to a combined type sofa backrest connecting assembly.

Background

The sofa is a multi-seat chair with cushions. The back-rest chair is provided with springs or thick foamed plastic and the like, and armrests are arranged on two sides of the back-rest chair, in particular to a piece of soft furniture.

In the prior art, the backrest structure is an integrally formed blow molding part, so that the backrest is light in weight and low in cost under the condition of ensuring the strength; the anti-overturning deformation structures are respectively arranged on the left side and the right side of the backrest plate body, and the first through holes are arranged on the left side and the right side of the backrest plate body, so that the connection stability of the backrest structure and the side plate structure is improved, and the thickness and the weight of the blow-molded backrest plate body can be reduced; the device prevents the sofa surface cover from falling off by arranging a surface cover hanging tight hanging strip and an anti-falling strip at the lower end of the backrest plate body; the device is through arranging the enhancement blind hole in the face middle part at the back board body, improves the intensity of back board body, but prior art can not realize highly adjusting the length of back, can not carry out swing joint in addition, therefore prior art has great improvement space.

SUMMERY OF THE UTILITY MODEL

The utility model provides a combined sofa backrest connecting component, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a modular sofa backrest coupling assembling, includes the mount pad, the mount pad rotates connects high adjustment mechanism, fixed connection telescopic link and interval adjustment mechanism between the high adjustment mechanism, mount pad fixed connection angle adjustment mechanism, angle adjustment mechanism fixed connection coupling mechanism.

As a preferred technical scheme, the height adjusting mechanism comprises a height adjusting sleeve fixed on the mounting seat, the height adjusting sleeve is connected with a height adjusting rod in a sliding mode, a plurality of height adjusting holes are formed in the height adjusting rod, and the height adjusting sleeve is in threaded connection with a first bolt.

As a preferred technical solution of the present invention, the distance adjusting mechanism includes a first rotating base fixed on the height adjusting sleeve, the first rotating base is rotatably connected to a first connecting rod, the first connecting rod is rotatably connected to a second rotating base, the second rotating base is fixedly connected to a height adjusting plate, the height adjusting plate is fixedly connected to a third rotating base, the third rotating base is rotatably connected to a second connecting rod, the second connecting rod is rotatably connected to a fourth rotating base, the fourth rotating base is fixedly connected to another height adjusting sleeve, the height adjusting plate is fixedly connected to an adjusting sleeve, the adjusting sleeve is slidably connected to an adjusting rod, and the adjusting sleeve is in threaded connection with a second bolt.

As a preferred technical scheme of the utility model, the angle adjusting mechanism comprises an adjusting seat fixed on the mounting seat, the adjusting seat is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with a rotating block, an adjusting groove is formed in the adjusting seat, a third bolt is arranged on the adjusting seat, and the third bolt is in threaded connection with the rotating block.

As a preferable technical scheme of the utility model, the connecting mechanism comprises a connecting frame fixed on the rotating block, the connecting frame is in threaded connection with a threaded rod, and one end of the threaded rod, which is positioned at the outer side of the connecting frame, is fixedly connected with a handle.

The utility model has the following advantages: the sofa backrest connecting device can adapt to installation of the backrest with different heights by arranging the height adjusting mechanism, can realize adjustment control on the distance of the height adjusting mechanism by arranging the distance adjusting mechanism, further realizes the installation of the sofa with different lengths, can realize the adjustment on the angle of the connecting mechanism by arranging the angle adjusting mechanism, can realize the connection and installation with the frame by combining the connecting mechanism, increases the efficiency of sofa backrest connection, and simultaneously enriches the practicability of the assembly.

Drawings

Fig. 1 is a schematic structural view of a combined sofa backrest connecting assembly.

Fig. 2 is a partially enlarged view of the area a in fig. 1.

Fig. 3 is a schematic structural view of an adjusting seat and a rotating shaft in the assembly for connecting the backrest of the sectional sofa.

In the figure: 1. a mounting seat; 2. a height adjustment mechanism; 201. a height adjustment sleeve; 202. a height adjustment lever; 203. a height adjustment hole; 204. a first bolt; 3. a telescopic rod; 4. a spacing adjustment mechanism; 401. a first rotating base; 402. a first link; 403. a second rotating base; 404. a height adjustment plate; 405. a third rotating base; 406. a second link; 407. a fourth rotating base; 408. an adjustment sleeve; 409. adjusting a rod; 410. a second bolt; 5. an angle adjusting mechanism; 501. an adjusting seat; 502. a rotating shaft; 503. rotating the block; 504. an adjustment groove; 505. a third bolt; 6. a connecting mechanism; 601. a connecting frame; 602. a threaded rod; 603. a handle is connected.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, a combined sofa backrest connecting assembly includes a mounting base 1, the mounting base 1 is rotatably connected with a height adjusting mechanism 2, a telescopic rod 3 and a distance adjusting mechanism 4 are fixedly connected between the height adjusting mechanisms 2, the mounting base 1 is fixedly connected with an angle adjusting mechanism 5, and the angle adjusting mechanism 5 is fixedly connected with a connecting mechanism 6.

The height adjusting mechanism 2 comprises a height adjusting sleeve 201 fixed on the mounting base 1, a height adjusting rod 202 is slidably connected in the height adjusting sleeve 201, a plurality of height adjusting holes 203 are formed in the height adjusting rod 202, and the height adjusting sleeve 201 is in threaded connection with a first bolt 204.

Specifically, the length of the height adjusting rod 202 extending out of the height adjusting sleeve 201 is controlled, and after the length is adjusted to a proper length, the height adjusting rod 202 and the height adjusting sleeve 201 are limited by using the first bolt 204.

The spacing adjustment mechanism 4 comprises a first rotating seat 401 fixed on the height adjustment sleeve 201, the first rotating seat 401 is rotatably connected with a first connecting rod 402, the first connecting rod 402 is rotatably connected with a second rotating seat 403, the second rotating seat 403 is fixedly connected with a height adjustment plate 404, the height adjustment plate 404 is fixedly connected with a third rotating seat 405, the third rotating seat 405 is rotatably connected with a second connecting rod 406, the second connecting rod 406 is rotatably connected with a fourth rotating seat 407, the fourth rotating seat 407 is fixedly connected with the other height adjustment sleeve 201, the height adjustment plate 404 is fixedly connected with an adjustment sleeve 408, the adjustment sleeve 408 is slidably connected with an adjustment rod 409, and the adjustment sleeve 408 is in threaded connection with a second bolt 410.

Specifically, the length of the adjusting rod 409 extending out of the adjusting sleeve 408 is controlled, and the distance between the height adjusting plates 404 is changed, and the distance between the height adjusting sleeves 201 is changed under the action of the first connecting rod 402 and the second connecting rod 406.

The connecting mechanism 6 comprises a connecting frame 601 fixed on the rotating block 503, the connecting frame 601 is in threaded connection with a threaded rod 602, and one end of the threaded rod 602 located on the outer side of the connecting frame 601 is fixedly connected with a connecting handle 603.

Example 2

Referring to fig. 1-3, the other contents of the present embodiment are the same as embodiment 1, except that: the angle adjusting mechanism 5 comprises an adjusting seat 501 fixed on the mounting seat 1, the adjusting seat 501 is rotatably connected with a rotating shaft 502, the rotating shaft 502 is fixedly connected with a rotating block 503, an adjusting groove 504 is formed in the adjusting seat 501, a third bolt 505 is arranged on the adjusting seat 501, and the third bolt 505 is in threaded connection with the rotating block 503.

Specifically, the third bolt 505 is loosened, so that the rotating block 503 rotates around the rotating shaft 502, and when the rotating block 503 rotates to a specified angle, the third bolt 505 is tightened at this time to limit the rotating block 503.

In the implementation process of the utility model, the distance adjusting mechanism 4 is adjusted according to the length of the sofa, so that the distance between the two height adjusting mechanisms 2 is adjusted and controlled, after the adjustment is finished, the distance control of the height adjusting mechanisms 2 is realized, in addition, the distance of the connecting mechanism 6 is also adjusted, and at the moment, the connecting mechanism 6 is adjusted to a proper angle through the angle adjusting mechanism 5, so that the sofa backrest connection is realized.

The sofa backrest installation device can adapt to backrest installation with different heights by arranging the height adjusting mechanism 2, can realize adjustment control on the distance of the height adjusting mechanism 2 by arranging the distance adjusting mechanism 4 so as to realize installation of sofas with different lengths, can realize adjustment on the angle of the connecting mechanism 6 by arranging the angle adjusting mechanism 5, can realize connection and installation with a frame by combining the connecting mechanism 6, increases the efficiency of sofa backrest connection, and simultaneously enriches the practicability of the assembly.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A modular sofa backrest connection assembly, characterized in that it comprises a mounting seat (1), the mounting seat (1) is rotatably connected to a height adjustment mechanism (2), and a telescopic rod is fixedly connected between the height adjustment mechanisms (2). (3) and the distance adjustment mechanism (4), the mounting seat (1) is fixedly connected to the angle adjustment mechanism (5), and the angle adjustment mechanism (5) is fixedly connected to the connection mechanism (6). 2. The modular sofa back connection assembly according to claim 1, wherein the height adjustment mechanism (2) comprises a height adjustment sleeve (201) fixed on the mounting seat (1), the height adjustment sleeve (201) A height adjusting rod (202) is slidably connected inside, a plurality of height adjusting holes (203) are formed on the height adjusting rod (202), and the height adjusting sleeve (201) is threadedly connected to the first bolt (204). 3. The modular sofa backrest connection assembly according to claim 2, wherein the distance adjusting mechanism (4) comprises a first rotating seat (401) fixed on the height adjusting sleeve (201), the first The rotating base (401) is rotatably connected to the first connecting rod (402), the first connecting rod (402) is rotatably connected to the second rotating base (403), and the second rotating base (403) is fixedly connected to the height adjustment plate (404), and the height is adjusted. The plate (404) is fixedly connected to the third rotating seat (405), the third rotating seat (405) is rotatably connected to the second connecting rod (406), the second connecting rod (406) is rotatably connected to the fourth rotating seat (407), and the fourth connecting rod (406) is rotatably connected to the fourth rotating seat (407). The rotating seat (407) is fixedly connected to another height adjusting sleeve (201), the height adjusting plate (404) is fixedly connected to the adjusting sleeve (408), the adjusting sleeve (408) is slidably connected to the adjusting rod (409), and the adjusting sleeve (408) Thread the second bolt (410). 4. The modular sofa back connection assembly according to claim 1, wherein the angle adjustment mechanism (5) comprises an adjustment seat (501) fixed on the mounting seat (1), and the adjustment seat (501) rotates The rotating shaft (502) is connected to the rotating shaft (502), and the rotating shaft (502) is fixedly connected to the rotating block (503). The adjusting seat (501) is provided with an adjusting groove (504), and the adjusting seat (501) is provided with a third bolt (505). The three bolts (505) and the rotating block (503) are screwed together. 5. The modular sofa back connection assembly according to claim 4, wherein the connecting mechanism (6) comprises a connecting frame (601) fixed on the rotating block (503), and the connecting frame (601) is threadedly connected A threaded rod (602), one end of the threaded rod (602) located on the outer side of the connecting frame (601) is fixedly connected to the connecting handle (603).

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