CN211431853U

CN211431853U - Soft sofa backrest support

Info

Publication number: CN211431853U
Application number: CN201922417703.5U
Authority: CN
Inventors: 龙泽兵; 杨爱国
Original assignee: Foshan Zeai Furniture Co ltd
Current assignee: Foshan Zeai Furniture Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-08
Anticipated expiration: 2029-12-30

Abstract

The utility model provides a software sofa backrest support, including the thumb wheel, adjust the seat, the connecting seat, connecting lead screw, a spacing section of thick bamboo, expanding spring, guide bar and cassette, the welding of support frame up end intermediate position has the connecting seat, the seat is adjusted to connecting seat up end card is equipped with, it has connecting lead screw to adjust the inside interlude of seat, it has the thumb wheel to connect the meshing of lead screw annular side right side, the laminating of thumb wheel left end face has the cassette, the bilateral symmetry welding has the guide bar about the cassette left end face, expanding spring is installed to the guide bar left end face, expanding spring annular side-mounting has a spacing section of thick bamboo, original backrest support inconvenient problem of carrying out the angle modulation has been solved in this design, the utility model discloses rational in infrastructure, the convenience is adjusted software sofa headrest angle, has improved.

Description

Soft sofa backrest support

Technical Field

The utility model relates to a soft sofa backrest support belongs to soft sofa technical field.

Background

The soft sofa is a chair with a backrest filled with soft materials such as sponge, fabric, spring and the like, and the inner framework is made of materials such as wood or steel. The production process comprises nailing an inner frame, bottoming, sticking a sponge, cutting an outer sleeve of the vehicle, packaging and closing an inspection and the like. The backrest and the headrest are installed on the existing soft sofa for improving the use comfort level, however, the integral structure is adopted mostly between the backrest and the headrest, the angle of the headrest is inconvenient to adjust, the practicability is improved, and the problem of the occurrence of the backrest support of the soft sofa is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a soft sofa backrest support to solve the problem of proposing in the above-mentioned background art, the utility model discloses rational in infrastructure, the convenience is adjusted soft sofa headrest angle, has improved use comfort.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a soft sofa backrest support comprises a sofa backrest, a magic tape, a back plate, a support frame, an angle adjusting mechanism and a headrest, wherein the magic tape is sewn on the right end face of the sofa backrest, the back plate is fixed on the right end face of the magic tape, the support frame is installed on the upper side of the right end face of the back plate, the angle adjusting mechanism is arranged on the upper side of the support frame, the headrest is installed on the upper side of the sofa backrest, the angle adjusting mechanism comprises a shifting wheel, an adjusting seat, a connecting screw rod, a limiting cylinder, a telescopic spring, a guide rod and a clamping seat, the connecting seat is welded at the middle position of the upper end face of the support frame, the adjusting seat is clamped on the upper end face of the connecting seat, the connecting screw rod is inserted in the adjusting seat, the right side of the annular side face of the connecting screw rod is meshed, an extension spring is installed on the left end face of the guide rod, and a limiting cylinder is installed on the annular side face of the extension spring.

Furthermore, the upper side and the lower side of the left end face of the clamping seat are symmetrically welded with clamping heads.

Furthermore, the lower side of the right end face of the adjusting seat is provided with a plurality of clamping grooves, and the plurality of groups of clamping grooves are matched with the clamping heads.

Furthermore, the annular side surface of the thumb wheel is provided with an anti-skid flower shape.

Furthermore, the adjusting seat is of a left-right swinging structure.

Furthermore, fastening screws are symmetrically arranged on the upper side and the lower side of the right end face of the support frame.

The utility model has the advantages that: the utility model discloses a software sofa backrest support, because of the utility model discloses added thumb wheel, regulation seat, connecting seat, connection lead screw, spacing section of thick bamboo, expanding spring, guide bar and cassette, this design makes backrest support possess multi-angle regulatory function, has solved the inconvenient problem that carries out the angle modulation of original backrest support, has improved the utility model discloses an angle modulation effect.

Because of the bilateral symmetry welding has the dop about the cassette left end face, the dop conveniently fixes a position the adjustment seat, because of the thumb wheel annular side is provided with anti-skidding flower shape, this design avoids appearing the phenomenon of skidding when rotating the thumb wheel, because of adjusting the seat and being horizontal hunting structure, conveniently carries out the multi-angle to the headrest and adjusts, the utility model discloses rational in infrastructure, the convenience is adjusted the software sofa headrest angle, has improved use comfort.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a backrest frame of a soft sofa of the present invention;

FIG. 2 is a left sectional view of the angle adjusting mechanism in the backrest frame of the soft sofa of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

in the figure: 1-sofa backrest, 2-magic tape, 3-back plate, 4-support frame, 5-angle adjusting mechanism, 6-headrest, 51-thumb wheel, 52-adjusting seat, 53-connecting seat, 54-connecting screw rod, 55-limiting cylinder, 56-expansion spring, 57-guide rod, 58-clamping seat and 581-clamping head.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a software sofa backrest support, includes sofa backrest 1, magic subsides 2, backplate 3, support frame 4, angle adjustment mechanism 5 and

headrest

6, and 1 right-hand member face of sofa backrest has made the

magic subsides

2, and 2 right-hand member faces of magic subsides are fixed with backplate 3, and support frame 4 is installed to 3 right-hand member face upsides of backplate, and 4 upsides of support frame are provided with angle adjustment mechanism 5, and headrest 6 is installed to 1 upside of sofa backrest.

Angle adjustment mechanism 5 includes thumb wheel 51, adjust seat 52, connecting seat 53, connecting screw 54, spacing section of thick bamboo 55, expanding spring 56, guide bar 57 and

cassette

58, 4 up end intermediate positions of support frame have welding of connecting seat 53, connecting seat 53 up end card is equipped with and adjusts seat 52, it has connecting screw 54 to adjust the inside interlude of seat 52, connecting screw 54 annular side right side meshing has thumb wheel 51, the laminating of thumb wheel 51 left end face has cassette 58, bilateral symmetry welding has guide bar 57 about the cassette 58 left end face, expanding spring 56 is installed to guide bar 57 left end face, expanding spring 56 annular side face installs spacing section of thick bamboo 55, the inconvenient problem of carrying out the angle modulation of original back support has been solved in this design.

Dop 581 has been welded to bilateral symmetry about the cassette 58 left end face, dop 581 conveniently fixes a position adjustment seat 52, the draw-in groove has been seted up to adjustment seat 52 right-hand member face downside, the multiunit has been seted up to the draw-in groove, and multiunit draw-in groove and dop 581 phase-match, conveniently carry out multi-angle location to adjustment seat 52, thumb wheel 51 annular side is provided with anti-skidding flower shape, this design avoids appearing the phenomenon of skidding when rotating thumb wheel 51, adjustment seat 52 is the horizontal hunting structure, conveniently carry out multi-angle modulation to headrest 6, fastening screw is installed to 4 right-hand member faces of support frame about bilateral symmetry, the convenience is installed fixedly support frame.

As an embodiment of the present invention: firstly, the sofa backrest 1 is fixed on the left end surface of the back plate 3 through the magic tape 2, then the supporting frame 4 is fixed on the upper side of the right end surface of the back plate 3 through the fastening screw, then the adjusting seat 52 is clamped on the upper end surface of the connecting seat 53, the connecting screw rod 54 is inserted into the adjusting seat 52 and the connecting seat 53 from right to back to fix, the thumb wheel 51 is engaged on the front side of the annular side surface of the connecting screw rod 54, the headrest 6 is fixed on the left end surface of the adjusting seat 52 in an adhering manner, and then the sofa backrest 1 can be placed at the designated position of an external soft sofa, when needing to adjust headrest 6, loosen thumb wheel 51, expanding spring 56's concertina power can make cassette 58 move to the front side, makes dop 581 and draw-in groove separation, alright adjust adjustment seat 52 this moment, screw up thumb wheel 51 once more after the regulation is accomplished, make dop 581 block in the draw-in groove adjust adjustment seat 52 fix a position can.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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 software sofa backrest support, includes sofa backrest, magic subsides, backplate, support frame, angle adjustment mechanism and headrest, its characterized in that: the sofa backrest comprises a sofa backrest and is characterized in that a magic tape is sewn on the right end face of the sofa backrest, a back plate is fixed on the right end face of the magic tape, a support frame is installed on the upper side of the right end face of the back plate, an angle adjusting mechanism is arranged on the upper side of the support frame, and a headrest is installed on the upper side of the sofa backrest;

the angle adjusting mechanism comprises a shifting wheel, an adjusting seat, a connecting screw rod, a limiting barrel, an expansion spring, a guide rod and a clamping seat, wherein the connecting seat is welded at the middle position of the upper end face of the supporting frame, the adjusting seat is clamped on the upper end face of the connecting seat, the connecting screw rod is inserted into the adjusting seat, the right side of the annular side face of the connecting screw rod is meshed with the shifting wheel, the left end face of the shifting wheel is laminated with the clamping seat, the guide rod is symmetrically welded on the upper side and the lower side of the left end face of the clamping seat, the expansion spring is installed on the left end face of the.

2. The upholstered sofa back rest support of claim 1, wherein: the upper side and the lower side of the left end face of the clamping seat are symmetrically welded with clamping heads.

3. The upholstered sofa back rest support of claim 1, wherein: the lower side of the right end face of the adjusting seat is provided with a clamping groove, the clamping grooves are provided with a plurality of groups, and the plurality of groups of clamping grooves are matched with the clamping heads.

4. The upholstered sofa back rest support of claim 1, wherein: the annular side surface of the thumb wheel is provided with an anti-skid flower shape.

5. The upholstered sofa back rest support of claim 1, wherein: the adjusting seat is of a left-right swinging structure.

6. The upholstered sofa back rest support of claim 1, wherein: fastening screws are symmetrically arranged on the upper side and the lower side of the right end face of the support frame.