Splicing type bent pipe structure of sofa chair

Abstract

The utility model discloses a splicing type bent pipe structure of a sofa chair, and particularly relates to the technical field of furniture, the splicing type bent pipe structure is arranged between a chair back and armrests of the sofa chair, the splicing type bent pipe structure comprises a base and a cover plate, the base and the cover plate are integrally cast and formed, and the cover plate and the base are matched in shape and are both made into arc-shaped bent structures. The two ends of the base are fixedly connected with the chair back and the armrests respectively, and the cover plate covers and is fixedly connected to the base. On the basis of ensuring that the chair back and the handrails have large-width top surfaces, the bending design of the connecting parts between the chair back and the handrails is ensured, and the problem of poor surface flatness of profiles caused by bending of large-diameter pipes can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to furniture technical field relates to a chair especially a kind of splicing type elbow pipe structure of sofa chair. BACKGROUND

[0002] The existing chair, especially sofa chair, in order to guarantee the comfort of use, the armrest and back are mostly made of a metal pipe such as iron pipe or aluminum pipe bending, that is, the armrest and back of sofa chair are connected by two single bends, but when the size of armrest and back is large, that is, wide top surface structure is used, the flatness of the above-mentioned side bending structure is poor after bending pipe, and the surface requirement cannot be met, so additional repair, polishing and polishing are needed, which is time-consuming and laborious. SUMMARY

[0003] The utility model aims at the above-mentioned problems existing in prior art, and provides a splicing type elbow pipe structure of sofa chair.

[0004] The utility model discloses a splicing type elbow pipe structure of sofa chair, which is arranged between the backrest and armrest of the sofa chair, characterized in that the splicing type elbow pipe structure comprises a base integrally cast and a cover plate stamped, the cover plate and the base are arc-shaped and curved in shape, the two ends of the base are fixedly connected with the backrest and the armrest respectively, and the cover plate is arranged on and fixedly connected to the base.

[0005] In the splicing type elbow pipe structure of sofa chair, the cover plate and the base are spaced apart and form a hollow tubular chamber.

[0006] In the splicing type elbow pipe structure of sofa chair, the base comprises an arc-shaped bottom plate and a rear support plate bent upward from the rear edge of the bottom plate, the cover plate comprises an arc-shaped top plate and a front support plate bent downward from the front edge of the top plate, the rear end of the top plate is fixedly connected to the rear support plate, and the lower part of the front support plate is fixedly connected to the bottom plate.

[0007] In the splicing type elbow pipe structure of sofa chair, the front wall surface of the rear support plate has a connecting groove formed in step with the top end surface, the rear end of the top plate is arranged on the connecting groove, and the top end surface of the top plate is flush with the top surface of the rear support plate.

[0008] In the splicing type elbow pipe structure of sofa chair, the front end of the bottom plate abuts against the rear wall surface of the lower part of the front support plate, and the bottom surface of the bottom plate is flush with the lower end surface of the front support plate.

[0009] In the splicing type elbow pipe structure of sofa chair, the sofa chair further comprises a seat surface, and the seat surface and the base are connected through a rear support column.

[0010] In the spliced bending pipe structure of the sofa chair, the base and the rear support column are integrally formed.

[0011] In the spliced bending pipe structure of the sofa chair, the base and the rear support column are integrally formed.

[0012] In the spliced bending pipe structure of the sofa chair, the base and the rear support column are integrally formed.

[0013] Compared with the prior art, the sofa chair has the following advantages:

[0014] 1. The spliced bending pipe structure composed of the integrally formed base and the stamping formed cover plate connects the chair back and the armrest, can ensure the bending design of the connecting part between the chair back and the armrest, and can avoid the problem of poor surface flatness of the profile caused by the bending of the large-diameter pipe.

[0015] 2. The various components of the sofa chair can be directly standardized manufactured, separately formed, and assembled after forming, and the process is simple, and the various components are stacked, and the bulk transportation is also convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic diagram of the sofa chair.

[0017] Figure 2 is an exploded view of the sofa chair.

[0018] Figure 3 is a structural schematic diagram of the sofa chair.

[0019] In the figure, 1 is a chair back, 2 is an armrest, 3 is a base, 301 is a base plate, 302 is a rear support plate, 303 is a connecting groove, 4 is a cover plate, 401 is a top plate, 402 is a front support plate, 5 is a chair surface, and 6 is a rear support column. DETAILED DESCRIPTION

[0020] The following is a specific embodiment of the sofa chair and a further description of the technical scheme of the sofa chair in combination with the drawings, but the sofa chair is not limited to these embodiments.

[0021] Referring to Figures 1-3The embodiment is a splicing type bent pipe structure of a sofa chair, the sofa chair has a backrest 1 and two armrests 2 located on the left and right sides of the backrest 1, the two armrests 2 and the backrest 1 are connected through the splicing type bent pipe structure, the splicing type bent pipe structure comprises a base 3 integrally cast into a shape and a cover plate 4 stamped from an aluminum plate, the cover plate 4 is shaped to match the base 3 and is also made into an arc-shaped curved structure, the two ends of the base 3 are respectively fixedly connected with the backrest 1 and the armrest 2, the cover plate 4 is arranged on the base 3 through welding or gluing, and a hollow tubular cavity is formed between the cover plate 4 and the base 3, as shown in Figure 1 .

[0022] Specifically, the base 3 in the embodiment comprises an arc-shaped bottom plate 301 and a rear support plate 302 bent upward from the rear edge of the bottom plate 301, the front wall surface of the rear support plate 302 has a connecting groove 303 formed in a stepped shape with the top end surface thereof, the cover plate 4 comprises an arc-shaped top plate 401 and a front support plate 402 bent downward from the front edge of the top plate 401, the rear end of the top plate 401 is arranged on the connecting groove 303, and the top end surface of the top plate 401 is flush with the top surface of the rear support plate 302, the front end of the bottom plate 301 abuts against the rear lower wall surface of the front support plate 402, and the bottom surface of the bottom plate 301 is flush with the lower end surface of the front support plate 402, the bottom plate 301 and the rear support plate 302 are connected through an arc surface, and the top plate 401 and the front support plate 402 are connected through an arc surface, so that the surface flatness of the embodiment can be better ensured.

[0023] In addition, the sofa chair further comprises a seat 5, the seat 5 and the base 3 are connected through a rear support column 6, and the base 3 is fixedly connected with the rear support column 6. Further preferably, the base 3 and the rear support column 6 are integrally cast into a whole structure, so that the process is simpler and the firmness is better.

[0024] The splicing type bent pipe structure composed of the integrally cast base 3 and the stamped cover plate 4 is used to connect the backrest 1 and the armrest 2, so that the bending design of the connecting part between the backrest 1 and the armrest 2 can be ensured on the basis of the modeling of the backrest 1 and the armrest 2 having a large-width top surface, and the problem of poor surface flatness of the profile caused by the bending of the large-diameter pipe can be avoided. In addition, the components of the embodiment can be directly manufactured in a standardized manner, separately formed and assembled after forming, so that the process is simple, the components are stacked respectively, and the bulk transportation is also convenient.

[0025] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

Claims

1. A spliced pipe structure of a sofa chair, which is provided between a backrest (1) and an armrest (2) of the sofa chair, characterized in that, The spliced elbow pipe structure comprises a base (3) integrally casted and a cover plate (4) stamped, the cover plate (4) is shaped to match the base (3) and is also shaped as an arcuate structure, the base (3) is fixedly connected with the backrest (1) and the armrest (2) at two ends respectively, and the cover plate (4) is covered and fixed on the base (3).

2. The splicing type bent pipe structure of a sofa chair according to claim 1, wherein, The cover plate (4) and the base (3) are spaced apart and form a hollow tubular cavity.

3. The spliced elbow structure of a sofa chair according to claim 2, wherein, The base (3) comprises an arc-shaped bottom plate (301) and a rear support plate (302) bent upward from a rear edge of the bottom plate (301), the cover plate (4) comprises an arc-shaped top plate (401) and a front support plate (402) bent downward from a front edge of the top plate (401), a rear end of the top plate (401) is fixed on the rear support plate (302), and a lower part of the front support plate (402) is fixed on the bottom plate (301).

4. The spliced elbow structure of a sofa chair according to claim 3, wherein, A front wall surface of the rear support plate (302) has a connecting groove (303) formed in a stepped manner with a top surface thereof, the rear end of the top plate (401) is arranged on the connecting groove (303), and a top surface of the top plate (401) is flush with a top surface of the rear support plate (302).

5. The spliced elbow structure of a sofa chair according to claim 4, wherein, A front end of the bottom plate (301) abuts against a rear wall surface of the lower part of the front support plate (402), and a bottom surface of the bottom plate (301) is flush with a bottom end of the front support plate (402).

6. The splicing type bent pipe structure of a sofa chair according to claim 1 or 2 or 3 or 4 or 5, characterized by, The sofa chair further comprises a seat (5), and the seat (5) and the base (3) are connected through a rear support column (6).

7. The spliced elbow structure of a sofa chair according to claim 6, wherein The base (3) and the rear support column (6) are integrally casted as a whole.

8. A spliced elbow structure for a sofa chair according to claim 3 or 4 or 5, wherein The bottom plate (301) and the rear support plate (302) are connected through an arc surface.

9. A spliced elbow structure for a sofa chair according to claim 3 or 4 or 5, wherein The top plate (401) and the front support plate (402) are connected through an arc surface.

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