CN220045375U - Novel sofa backrest structure - Google Patents

Abstract

The utility model relates to a novel sofa backrest structure, which comprises a backrest framework and a backrest surface sleeve sleeved on the backrest framework, wherein the backrest framework is connected with the backrest surface sleeve through a clamping piece, the clamping piece comprises a female buckle and a male buckle, the female buckle is fixedly connected with the backrest framework, the male buckle is fixedly connected with the backrest surface sleeve, the backrest surface sleeve is sleeved on the backrest framework, and the male buckle is buckled with the female buckle. The utility model has the advantages of simple working procedure and improved consistency of the whole structure of the sofa backrest.

Description

Novel sofa backrest structure

Technical Field

The utility model relates to the field of sofas, in particular to a novel sofa backrest structure.

Background

Sofa backrest refers to the back portion of the sofa, supporting our back and providing comfort support.

The existing sofa backrest framework is basically of a wood frame structure, and when the backrest framework is connected with a face cover of a backrest, the edge of the face cover of the backrest is nailed on the wood frame through a gun nail, and then base fabric is nailed. The sofa backrest has complex procedures, low efficiency and lower overall consistency of products, so that the reject ratio is higher.

Disclosure of Invention

In order to simplify the working procedure and improve the consistency of the integral structure of the sofa backrest, the utility model provides a novel sofa backrest structure.

The novel sofa backrest structure provided by the utility model adopts the following technical scheme:

the utility model provides a novel sofa backrest structure, includes back skeleton and cover and locates the back face cover of back skeleton, back skeleton with connect through the joint spare between the back face cover, the joint spare includes female knot and son knot, female knot connect in back skeleton, son knot fixed connection in back face cover, back face cover is located behind the back skeleton, son knot connect in female knot.

Through adopting above-mentioned technical scheme, back skeleton is used for supporting back face cover as bearing structure, and the joint spare is used for being connected back face cover and back skeleton, need not the workman and fixes back cover's edge on back skeleton through the rifle nail one by one, only needs to detain the son and just can realize the connection of back skeleton and back face cover to female knot, and the structural process of this kind of sofa back is simple, and preparation efficiency is high to can improve sofa back structure's wholeness, can also conveniently dismantle, clear up back surface fabric easily.

Optionally, the sub-buckle has a connection end, a connection groove for accommodating the connection end is formed by bending an end of the female buckle, and an inverted buckle for limiting the connection end to be separated from the connection groove is further formed at the end of the female buckle.

Through adopting above-mentioned technical scheme, when back skeleton and back face cover are connected, the link can be fixed in the spread groove, and the back-off can make the link keep in the spread groove all the time, prevents to break away from under the condition that personnel do not interfere automatically.

Optionally, the clamping piece has a plurality of groups, and each group is strip-shaped.

Through adopting above-mentioned technical scheme, the long strip can let the wholeness of back skeleton and back face cover better, can make things convenient for the connection of back skeleton and back face cover, need not the workman to pass through the rifle nail once and fix.

Optionally, the backrest skeleton is equipped with multiunit couple part, and every two couple parts are a set of, and couple part includes couple and hanging seat, and the orientation of two couple parts of same group is opposite and be connected with the elastic component between two couple parts, and the number of elastic component corresponds with the group number of pendant, couple with hanging seat fixed connection.

Through adopting above-mentioned technical scheme, the couple part is arranged in installing the elastic component in the back skeleton, can improve the supporting effect of back cover through the elastic component, and the couple is used for hooking the elastic component, and the hanging seat inlays in locating the back skeleton to make the couple part can fix in the back skeleton, improve fixed effect.

Optionally, an elastic groove for accommodating the elastic member is arranged between the hook and the hanging seat, and the opening of the elastic groove is smaller than the diameter of the elastic member.

By adopting the technical scheme, the elastic piece can be hooked by the elastic groove, and the problem that the elastic piece is separated from the hook when the elastic piece is pulled can be reduced because the size of the opening of the elastic groove is smaller than the diameter of the elastic piece.

Optionally, the opening of the elastic groove is V-shaped, and the hook is provided with an elastic part near the opening of the elastic groove.

Through adopting above-mentioned technical scheme, the opening of V type can let the elastic component play the guide effect when loading into the couple, easy to assemble. And because the opening size of the elastic groove is smaller than the diameter of the elastic piece, the elastic piece can be extruded into the hook more labor-saving due to the fact that the elastic part can increase the elasticity of the hook when the tension spring is hung in the hook.

Optionally, the hanging seat is embedded in the backrest frame, and the hanging seat is provided with a step part for preventing the hook from being separated from the backrest frame.

Through adopting above-mentioned technical scheme, after the back step portion can make the couple when receiving the elastic component pulling at hanging seat embedding back skeleton, produce resistance to can let the couple subassembly fix at back skeleton well.

Optionally, the tip of elastic component is the form of buckling, the back skeleton has been seted up and has been prevented the groove of stepping down of elastic component and back skeleton interference.

Through adopting above-mentioned technical scheme, the tip of elastic component kink form can let the elastic component can not follow the elastic groove easily and break away from when drawing, because the elastic component can take place axial rotation when drawing, easily interfere with the back skeleton, send abnormal sound, through setting up the groove of stepping down, can let the tip of elastic component and back skeleton between have certain space of stepping down thereby can not influence each other.

Optionally, the backrest frame is connected with a mounting bracket, and the mounting bracket is used for mounting the backrest frame on a sofa.

Through adopting above-mentioned technical scheme, the installing support is connected with the sofa to can let sofa back structure and sofa form fine wholeness and uniformity.

Optionally, the back skeleton has a plurality of reinforcing parts for improving the strength of the back skeleton.

By adopting the technical scheme, the backrest framework can be further integrated by the reinforcing part, so that the supportability and the strength of the backrest framework are improved.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the clamping piece is used for connecting the backrest surface sleeve with the backrest framework, a worker is not required to fix the edges of the backrest surface sleeve on the backrest framework one by one through gun nails, the structure process is simple, and the preparation efficiency is high.

2. The hook component is used for installing the elastic component in the backrest framework, and the supporting effect of the backrest surface sleeve can be improved through the elastic component.

Drawings

Fig. 1 is a schematic view of an exploded structure of a back frame and a back cover.

Figure 2 is a schematic view of the combination of the back frame and back shell.

Fig. 3 is a schematic view of a backrest frame structure.

Fig. 4 is a schematic diagram of a backrest frame structure.

Fig. 5 is a schematic view of a combination of a back frame and a back shell with a mounting bracket.

Fig. 6 is an enlarged schematic view of the structure at a in fig. 4.

Fig. 7 is a schematic view of a hook member structure.

Fig. 8 is a schematic structural view of the elastic member.

Reference numerals illustrate: 1. a back rest frame; 11. an outer side surface; 12. an inner side surface; 13. a nut; 14. a mounting bracket; 2. a back cover; 3. a clamping piece; 31. a female buckle; 311. a connecting groove; 312. reversing; 32. a sub-buckle; 321. a connection end; 4. a hook member; 41. a hook; 411. an elastic part; 42. a hanging seat; 421. a step part; 43. an elastic member; 44. an elastic groove; 411. an opening; 45. a relief groove; 5. a reinforcing part.

Detailed Description

Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible to be mentioned in the present specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed according to different positions and different use states of the same. These and other directional terms should not be construed as limiting terms. Furthermore, the terms "first," "second," "third," and the like are used for descriptive and distinguishing purposes only and are not to be construed as indicating or implying a relative importance of the corresponding components.

The present utility model will be described in further detail with reference to fig. 1 to 8.

The embodiment of the utility model discloses a novel sofa backrest structure.

Referring to fig. 1 and 2, a novel sofa backrest structure comprises a backrest framework 1 and a backrest cover 2, wherein the backrest cover 2 is arranged on the backrest framework 1 in a penetrating manner, the backrest cover 2 is mainly used for supporting the back of a user, the backrest framework 1 is used for supporting the backrest cover 2, the backrest framework 1 is integrally formed through blow molding, silk floss is sewn in the backrest cover 2 in the embodiment, and the backrest cover 2 is made of materials such as cloth or leather.

Referring to fig. 3 and 4, the blow-molded back frame 1 is hollow, and the side of the back frame 1 away from the back of the human body is an outer side 11 and the side close to the back of the human body is an inner side 12. In order to improve the integrity and strength of the back frame 1, a plurality of reinforcing portions 5 are provided on the back frame 1. The reinforcing part 5 has different forms, and the upper part of the backrest framework 1 is provided with a cylindrical groove, and the cylindrical groove is used for adhering the inner side surface 12 and the outer side surface 11 of the upper part of the backrest framework 1 together, so that the aim of increasing the supporting performance is to integrate the outer side surface 11 and the inner side surface 12, increase the rigidity of the outer side surface 11 and ensure that the outer side surface 11 is not easy to deform; the lower part of the backrest framework 1 is provided with the reinforcing part 5 which is an oval groove, and the strength of the lower part of the backrest framework 1 is weaker due to the fact that the inner side surface 12 and the outer side surface 11 of the lower part of the backrest framework 1 are adhered together by the oval groove, so that the support property and the strength can be improved, and the outer side surface 11 and the inner side surface 12 are integrated, so that the strength of the lower part of the whole backrest framework 1 is improved, and the backrest framework is not easy to deform; the reinforcing part 5 is a strip-shaped or bent groove at the side edge of the backrest framework 1, so that the inner side surface 12 and the outer side surface 11 of the side edge of the backrest framework 1 are connected together, and the side edge of the backrest framework 1 is not easy to deform.

The lower part of the back frame 1 is embedded with a nut 13 during blow molding. The backrest framework 1 is fixedly connected with the sofa through a mounting bracket 14, and the mounting bracket 14 is connected to a nut 13 of the backrest framework 1 through a bolt.

Referring to fig. 6 and 7, the backrest frame 1 is further embedded with a plurality of hook members 4 during blow molding, each two hook members 4 are in a group, the two hook members 4 of the same group are opposite in orientation and are connected with an elastic member 43 (as shown in fig. 4), the elastic member 43 in this embodiment is a serpentine spring, and the hook member 4 is formed by integrally forming a hook 41 and a hook seat 42. The hook member 4 is formed by injection molding, the hanging seat 42 has a step portion 421, and the hanging seat 42 is embedded into the back frame 1 during the blow molding process of the back frame 1, and the step portion 421 can prevent the hook 41 from being separated from the back frame 1.

The elastic groove 44 for accommodating the elastic piece 43 is arranged between the hook 41 and the hanging seat 42, the size of an opening 441 of the elastic groove 44 is smaller than the diameter of the snake-shaped spring, the opening 441 of the elastic groove 44 is in a V shape, the V-shaped opening gradually becomes larger along with the distance from the elastic groove 44, the opening of the hook 41 close to the elastic groove 44 is provided with an elastic part 411, and the elastic part 411 can enable the diameter of the opening size of the elastic groove 44 to be slightly larger when the end part of the snake-shaped spring enters the elastic groove 44, so that the installation of the snake-shaped spring is facilitated.

The end that serpentine spring and couple 41 subassembly are connected is the form of buckling, makes serpentine spring be difficult to break away from with couple 41 subassembly, and the user is when using, serpentine spring is drawn and can be made the tip of buckling take place to rotate, easily with back skeleton 1 contact scratch, has seted up the groove 45 of stepping down in back skeleton 1 near serpentine spring's the tip position of buckling, can prevent that elastic component 43 from interfering with back skeleton 1.

Referring to fig. 8, the backrest frame 1 and the backrest surface cover 2 are connected by a clamping member 3 (as shown in fig. 2), in this embodiment, the clamping member 3 has a plurality of groups, and each group is in a strip shape in horizontal and vertical rows. The clamping piece 3 comprises a female buckle 31 and a male buckle 32, the female buckle 31 is fixedly connected to the backrest framework 1 through rivets, the male buckle 32 is fixedly connected with the backrest surface sleeve 2 through a sewing mode, the backrest surface sleeve 2 is sleeved on the backrest framework 1, and then the male buckle 32 is buckled on the female buckle 31, so that the backrest surface sleeve 2 wraps the framework.

The sub-buckle 32 has a connection end 321, the connection end 321 is in an inverted triangle shape, the end of the female buckle 31 is bent to form a connection groove 311 for accommodating the connection end 321 of the sub-buckle 32, and the backrest cover 2 is mounted after the connection end 321 of the sub-buckle 32 is clamped into the connection groove 311. The end of the female buckle 31 is further provided with a back-off 312, and the back-off 312 is used for limiting the connecting end 321 to be separated from the connecting groove 311. The female buckle 31 has a certain elasticity, and the male buckle 32 is caught by the female buckle 31 after the female buckle 32 is coupled to the coupling groove 311 of the female buckle 31.

The implementation principle of the embodiment is as follows: the back plate is sewn with a sub-buckle 32, and the back skeleton 1 is riveted with a female buckle 31. When in later installation, the child buckle 32 is clamped to the female buckle 31, so that the installation of the backrest panel and the backrest framework 1 can be realized, and then the whole installation is installed on a sofa through the installation bracket 14; the backrest framework 1 can be firstly installed on a sofa through the installation bracket 14, then the backrest panel is sleeved on the backrest framework 1, and the backrest framework 1 and the backrest panel are connected through the clamping piece 3.

The foregoing are preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model; therefore, according to the technical scheme of the utility model, a person skilled in the art can propose various alternative structural modes and implementation modes without changing the true spirit of the utility model. Accordingly, the foregoing detailed description and drawings are merely exemplary of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (10)

1. The utility model provides a novel sofa backrest structure, includes back skeleton (1) and cover back face cover (2) of locating back skeleton (1), its characterized in that: the novel backrest is characterized in that the backrest framework (1) is connected with the backrest surface sleeve (2) through the clamping piece (3), the clamping piece (3) comprises a female buckle (31) and a male buckle (32), the female buckle (31) is connected with the backrest framework (1), the male buckle (32) is fixedly connected with the backrest surface sleeve (2), the backrest surface sleeve (2) is sleeved on the backrest framework (1), and the male buckle (32) is buckled on the female buckle (31).

2. The novel sofa back structure of claim 1, wherein: the child buckle (32) is provided with a connecting end (321), the end part of the female buckle (31) is bent to form a connecting groove (311) for accommodating the connecting end (321), and the end part of the female buckle (31) is also provided with a back-off buckle (312) for limiting the connecting end (321) to be separated from the connecting groove (311).

3. The novel sofa back structure of claim 1, wherein: the clamping piece (3) is provided with a plurality of groups, and each group is strip-shaped.

4. The novel sofa back structure of claim 1, wherein: the backrest framework (1) is provided with a plurality of groups of hook members (4), every two hook members (4) are in a group, each hook member (4) comprises a hook (41) and a hanging seat (42), the directions of the two hook members (4) in the same group are opposite, elastic pieces (43) are connected between the two hook members (4), the number of the elastic pieces (43) corresponds to the number of the hanging pieces, and the hook (41) is fixedly connected with the hanging seat (42).

5. The novel sofa back structure of claim 4, wherein: an elastic groove (44) for accommodating the end part of the elastic piece (43) is arranged between the hook (41) and the hanging seat (42), and the size of an opening (441) of the elastic groove (44) is smaller than the diameter of the elastic piece (43).

6. The novel sofa back structure of claim 5, wherein: the opening of the elastic groove (44) is V-shaped, and the opening of the hook (41) close to the elastic groove (44) is provided with an elastic part (411).

7. The novel sofa back structure of claim 4, wherein: the hanging seat (42) is embedded in the backrest framework (1), and the hanging seat (42) is provided with a step part (421) for preventing the hook (41) from being separated from the backrest framework (1).

8. The novel sofa back structure of claim 4, wherein: the end part of the elastic piece (43) is bent, and the backrest framework (1) is provided with a yielding groove (45) for preventing the elastic piece (43) from interfering with the backrest framework (1).

9. The novel sofa back structure according to any one of claims 1-8, characterized in that: the backrest framework (1) is connected with a mounting bracket (14), and the mounting bracket (14) is used for mounting the backrest framework (1) on a sofa.

10. The novel sofa back structure according to any one of claims 1-8, characterized in that: the back frame (1) has a plurality of reinforcing portions (5) for improving the strength of the back frame (1).