Seat backrest wire harness fixing structure

Abstract

The utility model relates to a seat backrest wire harness fixing structure. The fixing structure comprises a surface protection sub-assembly, an inner shielding sheet, a first outer shielding sheet, a second outer shielding sheet, a first buckling clamping strip, a second buckling clamping strip, a connecting sheet and a third buckling clamping strip, wherein the inner shielding sheet is of a sheet-shaped structure, a wire harness via hole is formed in the middle of the sheet-shaped structure, and a notch communicated with the wire harness via hole is formed in one side of the sheet-shaped structure, and the first outer shielding sheet and the second outer shielding sheet are arranged on the outer side of the inner shielding sheet and used for shielding the notch of the inner shielding sheet and the wire harness via hole. The other end of the first outer shielding piece and the other end of the second outer shielding piece are connected with a first buckling clamping strip and a second buckling clamping strip. One end of the connecting piece is connected with the framework assembly, the other end of the connecting piece is connected with a third buckling clamping strip, and the first buckling clamping strip, the second buckling clamping strip and the third buckling clamping strip are connected in a clamped mode. The structure effectively shields foam exposed dead corners, improves the appearance of the wire harness opening, embodies higher manufacturing precision, and improves the grade of the whole chair.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts and relates to a seat back harness fixing structure. Background Art

[0002] The size and position of the wire harness opening of traditional car seat covers are completely determined by the size and position of the wire harness plug. The wire harness opening cannot completely cover the surrounding area of ​​the wire harness, resulting in foam exposure and partial loosening of the cover caused by the wire harness opening (such as Figure 1 ), it is necessary to provide a seat back harness fixing structure. Utility Model Content

[0003] In view of the above-mentioned technical problems and shortcomings, the purpose of the utility model is to provide a seat back wiring harness fixing structure, which changes the original face cover wiring harness mouth structure to form a new face cover covering method, and changes the traditional wiring harness mouth covering method into a new and reasonable covering method, fully considering the needs of the covering assembly process, reducing the difficulty of the assembly process, and optimizing the force direction at the face cover wiring harness mouth, so that the appearance after assembly is smoother and more beautiful, effectively blocking the exposed dead corners of the foam, improving the appearance of the wiring harness mouth, reflecting higher manufacturing sophistication, and improving the grade of the entire chair.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A seat back harness fixing structure comprises a frame assembly on which a harness is installed, a foam assembly arranged on the frame assembly, and a protective face assembly coated on the foam assembly; wherein the protective face assembly comprises a protective face sub-assembly, a shielding piece assembly, and a connecting piece assembly; the shielding piece assembly comprises an inner shielding piece, a first outer shielding piece, a second outer shielding piece, a first pair of buckle clips, and a second pair of buckle clips; the connecting piece assembly comprises a connecting piece and a third pair of buckle clips; wherein the protective face assembly is provided with an inner shielding piece at a position opposite to the harness, and the inner shielding piece is a sheet-like structure with a harness through hole in the middle and a notch on one side communicating with the harness through hole. The wiring harness passes through the notch and is arranged in the wiring harness through-hole. The first outer shielding sheet and the second outer shielding sheet are arranged on the outside of the inner shielding sheet to shield the notch of the inner shielding sheet and the wiring harness through-hole. The first outer shielding sheet and the second outer shielding sheet are folded inward and connected to the inner shielding sheet and the protective surface sub-assembly as a whole by sewing. The other ends of the first outer shielding sheet and the second outer shielding sheet are connected with the first pair of buckle strips and the second pair of buckle strips; the connecting sheet is connected to the skeleton assembly and is arranged at the bottom of the seat back. The other end of the connecting sheet is connected with the third pair of buckle strips, and the first pair of buckle strips, the second pair of buckle strips and the third pair of buckle strips are buckled.

[0006] As a preferred embodiment of the utility model, the first outer shielding sheet is provided with a first folding edge cut and a second folding edge cut, and the first outer shielding sheet is folded inwardly at the first folding edge cut and the second folding edge cut; the second outer shielding sheet is provided with a third folding edge cut and a fourth folding edge cut, and the second outer shielding sheet is folded inwardly at the third folding edge cut and the fourth folding edge cut.

[0007] As a preferred embodiment of the utility model, the first outer shielding sheet is also provided with a first pre-sewn notch on the side provided with the first folding edge notch, and the second outer shielding sheet is also provided with a second pre-sewn notch on the side provided with the third folding edge notch. The first outer shielding sheet, the second outer shielding sheet and the inner shielding sheet are pre-sewn and then connected to the protective surface sub-assembly as a whole.

[0008] As a preferred embodiment of the utility model, the first outer shielding sheet is further provided with a first card strip positioning notch and a second card strip positioning notch on the side provided with the second folding edge notch, and the second outer shielding sheet is further provided with a third card strip positioning notch and a fourth card strip positioning notch on the side provided with the fourth folding edge notch, the first pair of buckle card strips are aligned with the first card strip positioning notch and the second card strip positioning notch of the first outer shielding sheet and are connected by sewing; the second pair of buckle card strips are aligned with the third card strip positioning notch and the fourth card strip positioning notch of the second outer shielding sheet and are connected by sewing; the connecting sheet is provided with a fifth card strip positioning notch and a sixth card strip positioning notch, the third pair of buckle card strips are aligned with the fifth card strip positioning notch and the sixth card strip positioning notch of the connecting sheet and are connected by sewing.

[0009] As a preferred embodiment of the present invention, the face guard sub-assembly is formed by sewing a plurality of sub-cut pieces.

[0010] Advantages and beneficial effects of the utility model:

[0011] (1) The utility model changes the original cover harness opening structure to form a new cover covering method. By changing the traditional harness opening covering method into a new and reasonable covering method, the covering assembly process needs are fully considered, the difficulty of the assembly process is reduced, and the force direction at the cover harness opening is optimized, so that the appearance after assembly is smoother and more beautiful, and the exposed dead corners of the foam are effectively blocked, and the smoothness of the cover near the harness opening is maintained, the appearance of the harness opening is improved, and a higher level of manufacturing sophistication is reflected, thereby improving the grade of the entire chair.

[0012] (2) The utility model optimizes the assembly process, making the assembly process smoother and satisfying customers' requirements for exquisite details of the entire chair to the greatest extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 A schematic diagram of an existing seat back harness fixing structure;

[0015] Figure 2 It is a schematic diagram of the seat back harness fixing structure of the utility model;

[0016] Figure 3 for Figure 2 Schematic diagram along direction B;

[0017] Figure 4 for Figure 3 Sectional view along AA;

[0018] Figure 5 It is a schematic diagram of the assembly of the shielding sheet assembly of the utility model;

[0019] Figure 6 It is a schematic diagram of the assembly of the connecting piece assembly of the utility model;

[0020] Figure 7 It is a schematic diagram of the assembly of the seat back harness fixing structure of the utility model;

[0021] Figure 8 This is a schematic diagram of the wiring harness installation process of the utility model;

[0022] Fig. 9 for Figure 8 Schematic diagram of the connection method between the shielding plate assembly and the connecting plate assembly at the middle CC.

[0023] Figure markings: skeleton assembly 100, foam assembly 200, face guard assembly 300, wiring harness 400, face guard sub-assembly 31, shielding piece assembly 32, connecting piece assembly 33, inner shielding piece 1, first outer shielding piece 2, second outer shielding piece 3, first pair of buckle strips 4, second pair of buckle strips 5, connecting piece 6, third pair of buckle strips 7, wiring harness through hole 1-1, notch 1-2, first folding edge cut 2-1, second folding edge cut 2-2, first pre-seam cut 2-3, first strip positioning cut 2-4, second strip positioning cut 2-5, third folding edge cut 3-1, fourth folding edge cut 3-2, second pre-seam cut 3-3, third strip positioning cut 3-4, fourth strip positioning cut 3-5, fifth strip positioning cut 6-1, sixth strip positioning cut 6-2. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0025] In the description of this application, it should be noted that the orientation or positional relationship indicated by the term "outside" and the like is based on the orientation or positional relationship shown in the accompanying drawings, or is the orientation or positional relationship in which the product of the application is usually placed when in use, and is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0026] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0027] like Figures 2 to 9As shown, a seat back harness fixing structure provided in this embodiment includes a skeleton assembly 100 on which a harness 400 is installed, a foam assembly 200 arranged on the skeleton assembly 100, and a protective surface assembly 300 coated on the foam assembly 200; wherein the protective surface assembly 300 includes a protective surface sub-assembly 31, a shielding piece assembly 32, and a connecting piece assembly 33, and the protective surface sub-assembly 31 is sewn from a plurality of sub-cut pieces; the shielding piece assembly 32 includes an inner shielding piece 1, a first outer shielding piece 2, a second outer shielding piece 3, a first pair of buckle strips 4, and a second pair of buckle strips 5; the connecting piece assembly 33 includes a connecting piece 6 and a third pair of buckle strips 7; wherein the protective surface assembly 300 is provided with an inner shielding piece 1 at a position opposite to the harness 400, and the inner shielding piece 1 is provided with a harness through hole in the middle A sheet structure with a notch 1-2 connected to the wiring harness through hole 1-1 is provided on one side of 1-1, and the wiring harness 400 is arranged in the wiring harness through hole 1-1 through the notch, and the first outer shielding sheet 2 and the second outer shielding sheet 3 are arranged on the outside of the inner shielding sheet 1, and are used to shield the notch and the wiring harness through hole of the inner shielding sheet 1. The first outer shielding sheet 2 and the second outer shielding sheet 3 are folded inward and connected to the inner shielding sheet 1 and the protective surface sub-assembly 31 as a whole by sewing, and the other ends of the first outer shielding sheet 2 and the second outer shielding sheet 3 are connected to the first pair of buckle strips 4 and the second pair of buckle strips 5; the connecting sheet 6 is connected to the skeleton assembly 100 and is arranged at the bottom of the seat back, and the other end of the connecting sheet 6 is connected to the third pair of buckle strips 7, and the first pair of buckle strips 4, the second pair of buckle strips 5 are clamped with the third pair of buckle strips 7.

[0028] Further, if Figure 5 As shown, in this embodiment, the first outer shielding sheet 2 is provided with a first folding edge cut 2-1 and a second folding edge cut 2-2, and the first outer shielding sheet 2 is folded inwardly at the first folding edge cut 2-1 and the second folding edge cut 2-2; the second outer shielding sheet 3 is provided with a third folding edge cut 3-1 and a fourth folding edge cut 3-2, and the second outer shielding sheet 3 is folded inwardly at the third folding edge cut 3-1 and the fourth folding edge cut 3-2;

[0029] The first outer shielding sheet 2 is provided with a first pre-sewn notch 2-3 on the side provided with the first folding notch 2-1, and the second outer shielding sheet 3 is provided with a second pre-sewn notch 3-3 on the side provided with the third folding notch 3-1. The first outer shielding sheet 2, the second outer shielding sheet 3 and the inner shielding sheet 1 are pre-sewn along the pre-sewn notches and then connected to the protective face sub-assembly 31 as a whole;

[0030] The first outer shielding sheet 2 is further provided with a first card strip positioning notch 2-4 and a second card strip positioning notch 2-5 on the side provided with the second folding edge notch 2-2, and the second outer shielding sheet 3 is further provided with a third card strip positioning notch 3-4 and a fourth card strip positioning notch 3-5 on the side provided with the fourth folding edge notch 3-2, the first pair of buckle card strips 4 are aligned with the first card strip positioning notch 2-4 and the second card strip positioning notch 2-5 of the first outer shielding sheet 2 and connected by sewing; the second pair of buckle card strips 5 are aligned with the third card strip positioning notch 3-4 and the fourth card strip positioning notch 3-5 of the second outer shielding sheet 3 and connected by sewing;

[0031] Further, if Figure 6 As shown, in this embodiment, the connecting piece 6 is provided with a fifth card strip positioning notch 6-1 and a sixth card strip positioning notch 6-2, and the third pair of buckle strips 7 are aligned with the fifth card strip positioning notch 6-1 and the sixth card strip positioning notch 6-2 of the connecting piece and connected by sewing.

[0032] The utility model also provides an assembly method for a seat back harness fixing structure, the method comprising the following steps:

[0033] Step 1. Install the foam assembly 200 on the frame assembly 100 with the wiring harness 400;

[0034] Step 2. Sew the face guard assembly 300;

[0035] First, sew the face shield sub-assembly 31, the shielding piece assembly 32, and the connecting piece assembly 33 respectively; wherein, the face shield sub-assembly 31 is sewn from a plurality of sub-cut pieces; the shielding piece assembly 32 is sewn from an inner shielding piece 1, a first outer shielding piece 2, a second outer shielding piece 3, a first pair of buckle strips 4, and a second pair of buckle strips 5; the connecting piece assembly 33 is sewn from a connecting piece 6 and a third pair of buckle strips 7;

[0036] The protective cover assembly 300 is provided with an inner shielding sheet 1 at a position opposite to the wiring harness 400. The inner shielding sheet 1 is a sheet structure with a wiring harness through hole 1-1 in the middle and a notch 1-2 connected to the wiring harness through hole on one side. The first outer shielding sheet 2 and the second outer shielding sheet 3 are arranged on the outer side of the inner shielding sheet 1 to shield the notch and the wiring harness through hole of the inner shielding sheet 1. The first outer shielding sheet 1 and the second outer shielding sheet 2 are folded inwardly and pre-sewn with the inner shielding sheet 1 by sewing and then connected to the protective cover sub-assembly as a whole. The other ends of the first outer shielding sheet 2 and the second outer shielding sheet 3 are connected with a first pair of buckle strips 4 and a second pair of buckle strips 5; the connecting sheet 6 is connected to the skeleton assembly 100 and is arranged at the bottom of the seat back, and the other end of the connecting sheet 6 is connected with a third pair of buckle strips 7;

[0037] Step 3. Put on the protective cover assembly 300, and the wiring harness 400 passes through the opening formed between the connecting piece 6 and the first outer shielding piece 2 and the second outer shielding piece 3. Then, lift up the first outer shielding piece 2, and insert the wiring harness 400 into the wiring harness through hole through the notch of the inner shielding piece 1. Then, snap the first pair of buckle strips 4 and the second pair of buckle strips 5 on the first outer shielding piece 2 and the second outer shielding piece 3 into the third pair of buckle strips 7 on the connecting piece 6 in sequence.

[0038] In this embodiment, the connecting piece 6 is clamped on the frame assembly 100 via a clamping strip on the other side.

[0039] The above are specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A seat back harness fixing structure, comprising a frame assembly with a harness installed, a foam assembly arranged on the frame assembly, and a protective face assembly wrapped on the foam assembly; characterized in that: The face shield assembly includes a face shield sub-assembly, a shielding piece assembly, and a connecting piece assembly. The shielding piece assembly includes an inner shielding piece, a first outer shielding piece, a second outer shielding piece, a first pair of buckle clips, and a second pair of buckle clips; the connecting piece assembly includes a connecting piece and a third pair of buckle clips; wherein the face shield assembly is provided with an inner shielding piece at a position opposite to the wiring harness, the inner shielding piece is a sheet-like structure with a wiring harness through hole in the middle and a notch on one side that is connected to the wiring harness through hole, the wiring harness passes through the notch and is arranged in the wiring harness through hole, the first outer shielding piece, the second The outer shielding sheet is arranged on the outer side of the inner shielding sheet, and is used to cover the notch and wiring harness through-hole of the inner shielding sheet. The first outer shielding sheet and the second outer shielding sheet are folded inwardly and connected to the inner shielding sheet and the protective surface sub-assembly as a whole by sewing. The other ends of the first outer shielding sheet and the second outer shielding sheet are connected with the first pair of buckle strips and the second pair of buckle strips; the connecting sheet is connected to the skeleton assembly and is arranged at the bottom of the seat back, and the other end of the connecting sheet is connected with the third pair of buckle strips, and the first pair of buckle strips, the second pair of buckle strips and the third pair of buckle strips are buckled.

2. A seat back harness fixing structure according to claim 1, characterized in that: The first outer shielding sheet is provided with a first folding edge cut and a second folding edge cut, and the first outer shielding sheet is folded inwardly at the first folding edge cut and the second folding edge cut; the second outer shielding sheet is provided with a third folding edge cut and a fourth folding edge cut, and the second outer shielding sheet is folded inwardly at the third folding edge cut and the fourth folding edge cut.

3. A seat back harness fixing structure according to claim 2, characterized in that: The first outer shielding sheet is also provided with a first pre-sewn notch on the side with the first folding edge notch, and the second outer shielding sheet is also provided with a second pre-sewn notch on the side with the third folding edge notch. The first outer shielding sheet, the second outer shielding sheet and the inner shielding sheet are pre-sewn and then connected to the protective surface sub-assembly as a whole.

4. The seat back harness fixing structure according to claim 2, characterized in that: The first outer shielding sheet is further provided with a first card strip positioning notch and a second card strip positioning notch on the side provided with the second folding edge notch, and the second outer shielding sheet is further provided with a third card strip positioning notch and a fourth card strip positioning notch on the side provided with the fourth folding edge notch, the first pair of buckle card strips are aligned with the first card strip positioning notch and the second card strip positioning notch of the first outer shielding sheet and are connected by sewing; the second pair of buckle card strips are aligned with the third card strip positioning notch and the fourth card strip positioning notch of the second outer shielding sheet and are connected by sewing; the connecting sheet is provided with a fifth card strip positioning notch and a sixth card strip positioning notch, the third pair of buckle card strips are aligned with the fifth card strip positioning notch and the sixth card strip positioning notch of the connecting sheet and are connected by sewing.

5. The seat back harness fixing structure according to claim 2, characterized in that: The face protection sub-assembly is formed by sewing a plurality of sub-cut pieces.

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