CN215474652U

CN215474652U - Backrest framework structure and seat comprising same

Info

Publication number: CN215474652U
Application number: CN202121805473.0U
Authority: CN
Inventors: 韩智; 杨小成
Original assignee: Shanghai Guojin Automobile Technology Co ltd
Current assignee: Shanghai Guojin Automobile Technology Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-11
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a backrest framework structure and a seat comprising the same, and relates to the technical field of automobile seats. The upper crossbeam assembly comprises a first main body and second main bodies fixedly connected to two ends of the first main body, the two side beam assemblies are fixedly connected with the two second main bodies in a one-to-one correspondence manner, a groove for the second main body to extend into is formed in one side, close to the second main body, of each side beam assembly, and the second main bodies can freely slide along the length direction of the groove; thereby the problem that the height of back skeleton among the prior art can't be adjusted, rigidity is poor and function integrated nature is poor has been solved.

Description

Backrest framework structure and seat comprising same

Technical Field

The utility model relates to the technical field of automobile seats, in particular to a backrest framework structure and a seat comprising the same.

Background

With the increasing popularization of automobiles, particularly passenger cars, are no longer tools for riding instead of walking, and are gradually becoming mobile traveling platforms. When a consumer purchases a car, the consumer pays more attention to comfort and whether the car is beautiful or not, and therefore the interior decoration of the car becomes one of important reference factors. The automobile seat is used as an important component of an automobile interior, and along with the development of the automobile seat, a passenger can pursue the appearance of the seat, so that the sports seat becomes more common, and the automobile seat is an important factor directly influencing the driving experience of vehicle-mounted personnel no matter the original installation of an original factory or the later-stage matching or replacement.

At present, traditional height-adjustable's back skeleton is mostly the tube sheet structure, but the back skeleton of tube sheet structure has the back rigidity poor, function integration nature is poor, the installation of big backplate and headrest needs additionally to increase part scheduling problem, the sheet metal construction of full punching press is adopted to back skeleton platform in addition, but the back skeleton of full punching press sheet metal construction, the regulation back height that can't freely be nimble, and back boundary beam and entablature are the main atress part on the back skeleton, and the structure is complicated, development cost cycle is high, if need adjust the back height, each part on the back skeleton of punching press sheet metal construction is almost equal to brand-new development, the suitability to the platform skeleton has caused very big restriction.

Therefore, how to solve the problems of the prior art that the height of the backrest frame cannot be adjusted, the rigidity is poor and the function integration is poor becomes an important technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a backrest framework structure and a seat comprising the backrest framework structure so as to solve the technical problems that the height of a backrest framework in the prior art cannot be adjusted, the rigidity is poor and the function integration is poor. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.

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

the present invention provides a back frame structure, comprising:

the upper cross beam assembly comprises a first main body and second main bodies fixedly connected to two ends of the first main body;

boundary beam subassembly, two boundary beam subassembly and two second main part one-to-one fixed connection, each the boundary beam subassembly is being close to one side of second main part all is provided with and is used for the confession the second main part stretches into the recess, and the second main part can be along the length direction of recess freely slides.

On the basis of the technical scheme, the utility model can be further improved as follows.

Furthermore, all be provided with on two lateral walls that the recess is relative be used for with the extension chimb that the second main part contacted.

Furthermore, a sinking lapping surface is arranged on the bottom wall of the groove.

Furthermore, each extension protruding edge all is provided with at least one trompil that is used for carrying on the welding.

Furthermore, the material of the upper crossbeam assembly and the material of the side beam assembly are both HC500LA low-alloy high-strength steel.

Furthermore, the upper crossbeam assembly and the side beam assembly are both sheet metal stamping parts.

The utility model provides a seat which comprises the backrest framework structure.

The technical scheme provided by the application comprises the following beneficial effects:

in the technical scheme provided by the utility model, the backrest framework structure comprises an upper crossbeam assembly and two side beam assemblies, wherein the upper crossbeam assembly comprises a first main body and second main bodies fixedly connected to two ends of the first main body, the two side beam assemblies are fixedly connected with the two second main bodies in a one-to-one correspondence manner, one side of each side beam assembly close to the second main body is provided with a groove for the second main body to extend into, and the second main body can freely slide along the length direction of the groove. According to the arrangement, the first main body and the second main body in the upper cross beam assembly are combined together by welding, the second main body extends into the groove on the side beam assembly, a certain moving space is ensured between the second main body and the side beam assembly, after the position between the second main body and the side beam assembly is determined, the second main body and the side beam assembly are fixedly connected together by welding, the adjustment of different backrest heights can be met only by changing the welding position between the upper cross beam assembly and the side beam assembly, the adjustment of an interval of 20mm upwards or 20mm downwards can be met, brand new development of the upper cross beam assembly of the backrest and the left and right side beam assemblies is avoided, and meanwhile, the requirement of high-performance seat strength can be met; thereby the problem that the height of back skeleton among the prior art can't be adjusted, rigidity is poor and function integrated nature is poor has been solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of an upper cross member assembly in an embodiment of the present invention;

fig. 2 is a structural schematic view of the whole backrest skeleton structure in the embodiment of the utility model.

Reference numerals:

1. an upper beam assembly; 2. a first body; 3. a second body; 4. a side rail assembly; 5. a groove; 6. the convex edge is prolonged; 7. sinking the lapping surface; 8. and (6) opening holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

This embodiment provides a back skeleton texture and including this back skeleton texture's seat to the problem that the height of back skeleton can't be adjusted among the prior art, rigidity is poor and function integration is poor has been solved.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the utility model described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the utility model described in the claims.

Referring to fig. 1-2, the present embodiment provides a backrest frame structure, which includes an upper beam assembly 1 and a side beam assembly 4, wherein the upper beam assembly 1 includes a first main body 2 and a second main body 3 fixedly connected to two ends of the first main body 2, the two side beam assemblies 4 are fixedly connected to the two second main bodies 3 in a one-to-one correspondence manner, each side beam assembly 4 is provided with a groove 5 for the second main body 3 to extend into at a side close to the second main body 3, the second main body 3 can freely slide along the length direction of the groove 5, the material of the upper beam assembly 1 and the material of the side beam assembly 4 can be set according to the specific use environment, the material of the upper beam assembly 1 and the material of the side beam assembly 4 in the present embodiment are preferably HC500 stamping piece 500LA low-alloy high-strength steel, and the material of the upper beam assembly 1 and the side beam assembly 4 in the present embodiment are preferably sheet metal, thus, the rigidity of the backrest can be improved, and the requirement of high-performance seat strength is met.

According to the arrangement, the first main body 2 and the second main body 3 in the upper cross beam assembly 1 are combined together by welding, the second main body 3 extends into the groove 5 on the side beam assembly 4, a certain moving space is ensured to be formed between the second main body 3 and the side beam assembly 4, after the position between the second main body 3 and the side beam assembly 4 is determined, the second main body 3 and the side beam assembly 4 are fixedly connected together by welding, the adjustment of different backrest heights can be met only by changing the welding position between the upper cross beam assembly 1 and the side beam assembly 4, the adjustment of an interval of 20mm upwards or 20mm downwards can be met, the brand new development of the upper cross beam assembly 1 and the left and right side beam assemblies 4 of the backrest is avoided, and meanwhile, the requirement of high-performance seat strength can be met; thereby the problem that the height of back skeleton among the prior art can't be adjusted, rigidity is poor and function integrated nature is poor has been solved.

As an alternative embodiment, the opposite side walls of the groove 5 are each provided with an elongated bead 6 for contact with the second body 3. So set up, the setting of extension chimb 6 can ensure the welding plane after the boundary beam subassembly 4 upwards moves.

As an alternative embodiment, a sunken overlapping surface 7 is provided on the bottom wall of the recess 5. So set up, the faying surface 7 that sinks on the boundary beam subassembly 4 and the parallel contact of second main part 3 ensure that boundary beam subassembly 4 does not interfere with entablature subassembly 1 after reciprocating.

In a more specific embodiment, each of the elongated flanges 6 is provided with an opening 8 for welding. So set up, the design of trompil 8 can carry out welded solder joint number between effectual increase boundary beam subassembly 4 and the second main part 3, ensures the joint strength between boundary beam subassembly 4 and the entablature subassembly 1.

This specific embodiment still provides a seat, and this seat includes the back skeleton texture in any one above-mentioned embodiment, because this seat has adopted the back skeleton texture that the above-mentioned embodiment states, so this seat is consistent with the beneficial effect that above-mentioned back skeleton texture produced, so the this paper is no longer repeated.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A back frame structure, comprising:

the upper cross beam assembly (1), wherein the upper cross beam assembly (1) comprises a first main body (2) and a second main body (3) fixedly connected to two ends of the first main body (2);

boundary beam subassembly (4), two boundary beam subassembly (4) and two second main part (3) one-to-one fixed connection, each boundary beam subassembly (4) are being close to one side of second main part (3) all is provided with and is used for the confession second main part (3) carry out recess (5) that stretch into, and second main part (3) can be along the length direction of recess (5) freely slides.

2. A back frame structure according to claim 1, wherein the opposite side walls of the recess (5) are provided with an extension bead (6) for contacting the second body (3).

3. The back frame structure according to claim 1, wherein a sunken overlapping surface (7) is provided on the bottom wall of the recess (5).

4. The back frame structure according to claim 2, characterized in that each of the elongated flanges (6) is provided with at least one opening (8) for welding.

5. The backrest frame structure according to claim 1, wherein the upper cross member assembly (1) and the side member assembly (4) are made of HC500LA low alloy high strength steel.

6. The backrest frame structure according to claim 1, characterized in that the upper cross beam assembly (1) and the side beam assembly (4) are sheet metal stampings.

7. A seat comprising the back frame structure of any one of claims 1-6.