阅读说明：本技术 一种分体结构的汽车座椅靠背及装配方法 (Automobile seat backrest with split structure and assembling method ) 是由 姚忠鹤 刘格崃 房志伟 鞠琳 邹雷 于 2020-07-14 设计创作，主要内容包括：一种分体结构的汽车座椅靠背及装配方法,该靠背包括靠背骨架、上靠背泡沫、下靠背泡沫、上护面总成、下护面总成；靠背骨架的背面设置有上支撑钢丝、下支撑钢丝、上限位钢丝、下限位钢丝；上靠背泡沫的底部加工有第一J型限位部,下靠背泡沫的顶部加工有第二J型限位部,第一J型限位部、第二J型限位部分别挂在上限位钢丝、下限位钢丝上；上护面总成包括第一正护面裁片、第一背护面裁片；第一正护面裁片的底部安装有第一T型卡条,第一背护面裁片的底部安装有F型卡条；下护面总成包括第二正护面裁片、第二背护面裁片；第二正护面裁片的顶部安装有第二T型卡条,第二背护面裁片的顶部安装有J型卡条。该靠背流畅性,能体现出上下两段的视觉效果。(A car seat back of a split structure and an assembly method thereof, wherein the back comprises a back framework, upper back foam, lower back foam, an upper protective surface assembly and a lower protective surface assembly; the back of the backrest framework is provided with an upper supporting steel wire, a lower supporting steel wire, an upper limiting steel wire and a lower limiting steel wire; the bottom of the upper backrest foam is provided with a first J-shaped limiting part, the top of the lower backrest foam is provided with a second J-shaped limiting part, and the first J-shaped limiting part and the second J-shaped limiting part are hung on the upper limiting steel wire and the lower limiting steel wire respectively; the upper protective surface assembly comprises a first front protective surface cut piece and a first back protective surface cut piece; the bottom of the first front protective surface cutting piece is provided with a first T-shaped clamping strip, and the bottom of the first back protective surface cutting piece is provided with an F-shaped clamping strip; the lower protective surface assembly comprises a second front protective surface cut piece and a second back protective surface cut piece; the second T type card strip is installed at the top of the positive armor cut-parts of second, and J type card strip is installed at the top of the second back armor cut-parts. The backrest has fluency and can embody the visual effects of the upper section and the lower section.)

1. The automobile seat backrest with the split structure is characterized by comprising a backrest framework, upper backrest foam, lower backrest foam, an upper protective surface assembly and a lower protective surface assembly; the backrest framework is of an integrated structure, an upper supporting steel wire and a lower supporting steel wire are arranged at the joint of upper backrest foam and lower backrest foam on the back of the backrest framework, and an upper limiting steel wire and a lower limiting steel wire are arranged between the upper supporting steel wire and the lower supporting steel wire;

the upper backrest foam wraps the upper half part of the backrest framework, a first J-shaped limiting part is processed at the bottom of the upper backrest foam, the first J-shaped limiting part penetrates through a gap between the upper limiting steel wire and the lower limiting steel wire and then is hung on the upper limiting steel wire, a first mounting groove is processed in the front face of the upper backrest foam, and a first connecting steel wire is arranged in the first mounting groove;

the lower backrest foam wraps the lower half part of the backrest framework, a second J-shaped limiting part is processed at the top of the lower backrest foam, the second J-shaped limiting part penetrates through a gap between the upper limiting steel wire and the lower limiting steel wire and then is hung on the lower limiting steel wire, a second mounting groove is processed in the front of the lower backrest foam, and a second connecting steel wire is arranged in the second mounting groove;

the upper protective surface assembly comprises a first front protective surface cut piece and a first back protective surface cut piece; the first front protective surface cutting piece and the top of the first back protective surface cutting piece are sewn and connected, two side surfaces of the first front protective surface cutting piece and the first back protective surface cutting piece are connected through zippers respectively, a first tensioning strip is processed at the position, opposite to a first mounting groove, of the inner side of the first front protective surface cutting piece, a mounting hole is formed in the first tensioning strip, and the first tensioning strip and a first connecting steel wire inside the upper back foam are fixedly connected through a clamping nail; a first T-shaped clamping strip is arranged at the bottom of the first front protective surface cutting piece, a mounting hole is processed on the first T-shaped clamping strip, the bottom of the upper backrest foam is coated after the bottom of the upper backrest foam is wound by the bottom of the first front protective surface cutting piece, and the first T-shaped clamping strip is fixedly connected with an upper supporting steel wire on the backrest framework through a clamping nail; an F-shaped clamping strip is arranged at the bottom of the first back protection surface cutting piece;

the lower protective surface assembly comprises a second front protective surface cut piece and a second back protective surface cut piece; the second front protective surface cutting piece and the bottom of the second back protective surface cutting piece are sewn and connected, two side surfaces are connected through a zipper respectively, a second tensioning strip is processed at the position, opposite to the second mounting groove, of the inner side of the second front protective surface cutting piece, a mounting hole is formed in the second tensioning strip, and the second tensioning strip and a second connecting steel wire inside the lower back foam are fixedly connected through a clamping nail; a second T-shaped clamping strip is arranged at the top of the second front protective surface cutting piece, a mounting hole is processed on the second T-shaped clamping strip, and after the top of the second front protective surface cutting piece penetrates through a gap between the upper backrest foam and the lower backrest foam, the top of the lower backrest foam is coated and then is fixedly connected with a lower support steel wire on the backrest framework through a clamping nail; j type card strip is installed at the top of second back of the body armor cut-parts, the processing of the vertical portion of J type card strip has the joint strip, the joint strip is connected with F type card strip.

2. The automobile seat backrest with the split structure according to claim 1, wherein the F-shaped clamping strip and the J-shaped clamping strip are fixed on the first back-facing cut piece and the second back-facing cut piece respectively in a sewing manner, and the end of the F-shaped clamping strip is arranged in the hook portion of the J-shaped clamping strip.

3. The assembling method of a seat back for a vehicle of a split structure according to claim 1, comprising the steps of:

step 1, connecting a first tensioning strip in an upper protective surface assembly and a first connecting steel wire in upper backrest foam together by using a clamping nail, then installing the first tensioning strip and the first connecting steel wire on the upper part of a backrest framework, coating the upper part of the backrest framework by the upper backrest foam, and hanging a first J-shaped limiting part at the bottom of the upper backrest foam on the upper limiting steel wire after penetrating through a gap between the upper limiting steel wire and the lower limiting steel wire on the backrest framework;

step 2, connecting a first T-shaped clamping strip on the upper protective surface assembly with an upper supporting steel wire on a backrest framework by a clamping nail after bypassing the bottom of the upper backrest foam, and then pulling up zippers on two sides of the upper protective surface assembly;

step 3, connecting a second tensioning strip in the lower protective surface assembly and a second connecting steel wire in the lower backrest foam together by using a clamping nail, connecting the second tensioning strip and the second connecting steel wire and then installing the second tensioning strip and the second connecting steel wire on the lower backrest foam into the lower part of the backrest framework, covering the lower part of the backrest framework by the lower backrest foam, and hanging a second J-shaped limiting part at the top of the lower backrest foam on the lower limiting steel wire after penetrating through a gap between an upper limiting steel wire and a lower limiting steel wire on the backrest framework;

step 4, connecting a second T-shaped clamping strip on the lower protective surface assembly with a lower support steel wire on a backrest framework by using a clamping nail after penetrating through a gap between the upper backrest foam and the lower backrest foam, and pulling up zippers on two sides of the lower protective surface assembly after connection;

and 5, assembling the F-shaped clamping strip on the upper surface protection assembly and the J-shaped clamping strip on the lower surface protection assembly together.

Technical Field

The invention relates to the field of automobile seats, in particular to an automobile seat backrest with a split structure and an assembling method.

Background

In order to meet the requirements of people on the aspects of materials, colors, shapes and the like of the protective surface of the automobile seat, Chinese patent CN204915381U discloses a detachable protective surface automobile seat, wherein the connection mode of the detachable protective surface of the backrest and the connection mode of the detachable protective surface of the seat cushion and the seat cushion are designed into zipper connection or non-thread gluing connection or snap connection so as to realize the complete replacement of the protective surface of the seat cushion, the protective surface of the backrest and the protective surface of the headrest, and be convenient for changing a plurality of shapes. However, the replacement of the facing is limited by the traditional production process and the fixed structure, and the two-section structural modeling cannot be realized, which is a result of the traditional design concept and the limitation of the production process, and the design space of the seat is limited due to excessive problems caused by tensioning.

Disclosure of Invention

In view of the above technical problems and disadvantages, an object of the present invention is to provide a seat back of a vehicle with a split structure, in which a conventional surface protection method is changed into a completely new and reasonable fixing method, and the seat back is divided into an upper portion and a lower portion, so that the visual effect of the surface divided into the upper portion and the lower portion can be achieved, the smoothness of the seat cannot be damaged due to excessive contour division, and the design space of the seat back is enlarged.

In order to realize the purpose, the invention is realized by adopting the following technical scheme:

a car seat backrest with a split structure comprises a backrest framework, upper backrest foam, lower backrest foam, an upper protective surface assembly and a lower protective surface assembly; the backrest framework is of an integrated structure, an upper supporting steel wire and a lower supporting steel wire are arranged at the joint of upper backrest foam and lower backrest foam on the back of the backrest framework, and an upper limiting steel wire and a lower limiting steel wire are arranged between the upper supporting steel wire and the lower supporting steel wire;

the upper backrest foam wraps the upper half part of the backrest framework, a first J-shaped limiting part is processed at the bottom of the upper backrest foam, the first J-shaped limiting part penetrates through a gap between the upper limiting steel wire and the lower limiting steel wire and then is hung on the upper limiting steel wire, a first mounting groove is processed in the front face of the upper backrest foam, and a first connecting steel wire is arranged in the first mounting groove;

the lower backrest foam wraps the lower half part of the backrest framework, a second J-shaped limiting part is processed at the top of the lower backrest foam, the second J-shaped limiting part penetrates through a gap between the upper limiting steel wire and the lower limiting steel wire and then is hung on the lower limiting steel wire, a second mounting groove is processed in the front of the lower backrest foam, and a second connecting steel wire is arranged in the second mounting groove;

the upper protective surface assembly comprises a first front protective surface cut piece and a first back protective surface cut piece; the first front protective surface cutting piece and the top of the first back protective surface cutting piece are sewn and connected, two side surfaces of the first front protective surface cutting piece and the first back protective surface cutting piece are connected through zippers respectively, a first tensioning strip is processed at the position, opposite to a first mounting groove, of the inner side of the first front protective surface cutting piece, a mounting hole is formed in the first tensioning strip, and the first tensioning strip and a first connecting steel wire inside the upper back foam are fixedly connected through a clamping nail; a first T-shaped clamping strip is arranged at the bottom of the first front protective surface cutting piece, a mounting hole is processed on the first T-shaped clamping strip, the bottom of the upper backrest foam is coated after the bottom of the upper backrest foam is wound by the bottom of the first front protective surface cutting piece, and the first T-shaped clamping strip is fixedly connected with an upper supporting steel wire on the backrest framework through a clamping nail; an F-shaped clamping strip is arranged at the bottom of the first back protection surface cutting piece;

the lower protective surface assembly comprises a second front protective surface cut piece and a second back protective surface cut piece; the second front protective surface cutting piece and the bottom of the second back protective surface cutting piece are sewn and connected, two side surfaces are connected through a zipper respectively, a second tensioning strip is processed at the position, opposite to the second mounting groove, of the inner side of the second front protective surface cutting piece, a mounting hole is formed in the second tensioning strip, and the second tensioning strip and a second connecting steel wire inside the lower back foam are fixedly connected through a clamping nail; a second T-shaped clamping strip is arranged at the top of the second front protective surface cutting piece, a mounting hole is processed on the second T-shaped clamping strip, and after the top of the second front protective surface cutting piece penetrates through a gap between the upper backrest foam and the lower backrest foam, the top of the lower backrest foam is coated and then is fixedly connected with a lower support steel wire on the backrest framework through a clamping nail; j type card strip is installed at the top of second back of the body armor cut-parts, the processing of the vertical portion of J type card strip has the joint strip, the joint strip is connected with F type card strip.

Preferably, the F-shaped clamping strip and the J-shaped clamping strip are fixed on the first back protective surface cutting piece and the second back protective surface cutting piece respectively in a sewing mode, and the end part of the F-shaped clamping strip is arranged in the hook part of the J-shaped clamping strip.

Another object of the present invention is to provide a method for assembling a seat back for a vehicle having a split structure, which is simple to operate and requires less assembly.

A method of assembling a seat back for a vehicle having a split structure, comprising the steps of:

step 1, connecting a first tensioning strip in an upper protective surface assembly and a first connecting steel wire in upper backrest foam together by using a clamping nail, then installing the first tensioning strip and the first connecting steel wire on the upper part of a backrest framework, coating the upper part of the backrest framework by the upper backrest foam, and hanging a first J-shaped limiting part at the bottom of the upper backrest foam on the upper limiting steel wire after penetrating through a gap between the upper limiting steel wire and the lower limiting steel wire on the backrest framework;

step 2, connecting a first T-shaped clamping strip on the upper protective surface assembly with an upper supporting steel wire on a backrest framework by a clamping nail after bypassing the bottom of the upper backrest foam, and then pulling up zippers on two sides of the upper protective surface assembly;

step 3, connecting a second tensioning strip in the lower protective surface assembly and a second connecting steel wire in the lower backrest foam together by using a clamping nail, connecting the second tensioning strip and the second connecting steel wire and then installing the second tensioning strip and the second connecting steel wire on the lower backrest foam into the lower part of the backrest framework, covering the lower part of the backrest framework by the lower backrest foam, and hanging a second J-shaped limiting part at the top of the lower backrest foam on the lower limiting steel wire after penetrating through a gap between an upper limiting steel wire and a lower limiting steel wire on the backrest framework;

step 4, connecting a second T-shaped clamping strip on the lower protective surface assembly with a lower support steel wire on a backrest framework by using a clamping nail after penetrating through a gap between the upper backrest foam and the lower backrest foam, and pulling up zippers on two sides of the lower protective surface assembly after connection;

and 5, assembling the F-shaped clamping strip on the upper surface protection assembly and the J-shaped clamping strip on the lower surface protection assembly together.

The invention has the advantages and beneficial effects that:

(1) the automobile seat backrest provided by the invention forms a brand-new and reasonable face sleeve connection mode by changing the original face sleeve structure, successfully divides the seat backrest into the upper part and the lower part, can embody the visual effect that the surface of the seat backrest is divided into the upper part and the lower part, can not damage the smoothness of the seat due to excessive contour division, beautifies the appearance of the seat to the maximum extent, enlarges the design space of the seat shape, can meet the design requirement that the surface of the seat is divided into the upper part and the lower part visually to the maximum extent, and simultaneously meets the requirement that the surface of the seat does not have a seam.

(2) The automobile seat back cover provided by the invention is stable in connection and good in tensioning effect, can fully ensure smooth lines on the surface of a back, and ensures that the surface of a back cover is attached to foam without folds and wrinkles.

(3) The automobile seat backrest provided by the invention is simple to assemble and low in assembly requirement, and the seat backrest with the split structure is suitable for various automobile types and wide in application range.

Drawings

FIG. 1 is a schematic view of a split structure of a vehicle seat back according to the present invention;

FIG. 2 is a rear elevational view of the split structure vehicle seat back of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 of the present invention;

FIG. 5 is a schematic structural view of the upper back foam of the present invention;

FIG. 6 is a schematic structural view of the lower back foam of the present invention;

FIG. 7 is a schematic structural view of the upper skin assembly of the present invention;

FIG. 8 is a schematic view of the construction of the lower facing assembly of the present invention;

FIG. 9 is a schematic structural view of a T-shaped card strip of the present invention;

FIG. 10 is a schematic view of the attachment of the type F card strip of the present invention to a first back cover panel;

FIG. 11 is a schematic view of the attachment of the J-shaped fastening strip to a second back cover panel of the present invention;

fig. 12 is a schematic view of the connection of the J-shaped and F-shaped strips of the present invention.

Reference numerals: the backrest comprises a backrest framework 1, upper backrest foam 2, lower backrest foam 3, an upper protective surface assembly 4, a lower protective surface assembly 5, an upper supporting steel wire 101, a lower supporting steel wire 102, an upper limiting steel wire 103, a lower limiting steel wire 104, a first J-shaped limiting part 201, a first mounting groove 202, a second J-shaped limiting part 301, a second mounting groove 302, a first positive protective surface cutting piece 401, a first back protective surface cutting piece 402, a first T-shaped clamping strip 403, an F-shaped clamping strip 404, a second positive protective surface cutting piece 504, a second back protective surface cutting piece 502, a second T-shaped clamping strip 503, a J-shaped clamping strip 504 and a clamping strip 5041.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when products of the application are used, and are used only for convenience in describing the application and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.