Trim strip connecting and tensioning structure

Abstract

The utility model relates to a trim strip connecting and tensioning structure which comprises a trim strip, a connecting piece, a limiting clamping plate, a fixing bottom plate and a fixing clamping piece. A plurality of fixing pins are arranged on the back face of the decoration strip, a first positioning hole is formed in the upper core cutting piece, and the decoration strip is installed in the first positioning hole. The head end and the tail end of the connecting piece are fixed to the limiting clamping plate, and a positioning hole is formed in the connecting piece. The fixing bottom plate is arranged in a connecting sleeve formed by the connecting pieces, an assembling hole is formed in the fixing bottom plate, and the fixing clamping piece is installed on a fixing pin of the decoration strip in a penetrating mode and used for fixing the fixing bottom plate and the connecting pieces to the fixing pin; a through groove is formed in the position, opposite to the decoration strip, of the foam assembly of the seat face cover, the fixing bottom plate and the fixing clamping piece are arranged in the containing groove, the connecting piece and the limiting clamping plate penetrate through the through groove, and the limiting clamping plate is clamped to the outermost side of the foam assembly. By means of the structure, the protective face and the foam assembly make up the defects mutually, a stable and reliable connecting structure is formed, and the problem that a gap exists between an existing decoration strip and the foam assembly is effectively solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts, relates to the installation of decorative strips on the seat cover, and particularly relates to a connecting and tensioning structure for decorative strips. Background Technique

[0002] End customers have higher and higher requirements for the appearance of seats. In order to meet customer needs, decorative strips for decoration need to be added to the upper part of the core of the seat backrest. Existing decorative strips are mainly fixed on the cover surface by welding. In this fixing method, the decorative strip and the cover surface are integrated. When there is a reverse arc in the foam core of the seat, there is easily a gap between the decorative strip and the foam assembly, resulting in poor riding comfort; in addition, due to the gap between the decorative strip and the foam assembly, the seat shape cannot be better reflected, and the shaping requirements cannot be met. Content of the Utility Model

[0003] In view of the above technical problems and disadvantages, the purpose of the utility model is to provide a connecting and tensioning structure for decorative strips. This structure changes the original seat cover structure to form a new seat cover connection and fixing structure, enabling the cover surface and the foam assembly to make up for each other's deficiencies and form a stable and reliable connection structure. This connection method effectively solves the problem of the gap between the existing decorative strip and the foam assembly. On the premise of meeting the appearance requirements of users, it has great reference value for the seats of other vehicle models.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A connecting and tensioning structure for decorative strips includes a decorative strip, a connecting piece, a limiting card board, a fixed bottom board and a fixed card; wherein, a plurality of fixing pins are arranged on the back of the decorative strip, and first positioning holes are arranged on the upper part cut piece of the seat cover core at positions opposite to the fixing pins of the decorative strip, and the decorative strip is installed in the first positioning holes of the upper part cut piece of the core; the head and tail ends of the connecting piece overlap and are fixed on the limiting card board by sewing, and a second positioning hole is arranged on the connecting piece; the fixed bottom board is arranged in the connecting sleeve formed by connecting the head and tail of the connecting piece, and an assembly hole is arranged on the fixed bottom board at a position opposite to the fixing pin of the decorative strip, and at least one assembly hole is concentric with the second positioning hole of the connecting piece, and the fixed card is inserted through the fixing pin of the decorative strip for fixing the fixed bottom board and the connecting piece on the fixing pin; a through groove is arranged on the foam assembly of the seat cover at a position opposite to the decorative strip, the through groove is composed of a receiving groove and a passing groove, and the width of the receiving groove is greater than the width of the passing groove, the fixed bottom board and the fixed card are arranged in the receiving groove, and the connecting piece and the limiting card board pass through the passing groove and the limiting card board is stuck on the outermost side of the foam assembly.

[0006] As a preference of the present utility model, first positioning shear cuts and second positioning shear cuts are respectively arranged on two sides of the limit clamping plate, and the connecting piece is fixed between the first positioning shear cut and the second positioning shear cut by sewing.

[0007] As a preference of the present utility model, three fixing pins are arranged at equal intervals on the back of the decorative strip, and three positioning holes are arranged at positions of the upper core cut piece corresponding to the three fixing pins; three assembly holes are arranged at positions of the fixed bottom plate corresponding to the three fixing pins of the decorative strip; one positioning hole and one mounting through hole are arranged on the connecting piece, the middle assembly hole of the fixed bottom plate is concentric with the positioning hole of the connecting piece, and the size of the mounting through hole needs to ensure that the tool sleeve during assembling and fixing the fixing card can be inserted, so as to facilitate fixing the fixing card on the fixing pin through the tool sleeve.

[0008] As a preference of the present utility model, the seat facia includes an upper core cut piece, a left wing cut piece, a right wing cut piece and a core cut piece, and the upper core cut piece, the left wing cut piece, the right wing cut piece and the core cut piece are connected by sewing.

[0009] As a preference of the present utility model, the connecting piece is made of cloth, and the limit clamping plate and the fixed bottom plate are plastic parts.

[0010] Advantages and beneficial effects of the present utility model: The present utility model changes the original seat cover structure to form a new seat cover connection and fixing structure, enabling the facia and the foam to complement each other's deficiencies and form a stable and reliable connection structure. This connection method effectively solves the problem of the gap between the existing decorative strip and the foam assembly, can improve the riding comfort, and can better reflect the seat shape at the same time. On the premise of meeting the appearance requirements of users, it has great reference value for the seats of other vehicle models. Description of the Drawings

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the following described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0012] Figure 1 It is a schematic diagram of the seat facia foam assembly of the present utility model;

[0013] Figure 2 It is a schematic diagram of the decorative strip of the present utility model;

[0014] Figure 3 It is an assembly schematic diagram of the decorative strip and the upper core cut piece of the present utility model;

[0015] Figure 4Schematic diagram of the assembly of the connecting piece and the limiting card plate of the present utility model;

[0016] Figure 5 Schematic diagram of the installation of the fixed bottom plate of the present utility model;

[0017] Figure 6 Schematic diagram of the assembly of the fixed bottom plate and the decorative strip of the present utility model;

[0018] Figure 7 Schematic diagram of the fixed card of the present utility model;

[0019] Figure 8 Schematic diagram of the installation of the fixed card of the present utility model;

[0020] Figure 9 Schematic diagram of the face guard assembly of the present utility model;

[0021] Figure 10 Schematic diagram of installing the fixed card by using a sleeve of the present utility model;

[0022] Figure 11 Schematic diagram of installing the connecting and tensioning structure of the decorative strip on the seat cover of the present utility model;

[0023] Figure 12 is Figure 11 The sectional view taken along A-A in

[0024] Reference numerals: seat face guard 1, foam assembly 2, decorative strip 3, connecting piece 4, limiting card plate 5, fixed bottom plate 6, fixed card 7, tool sleeve 8, upper core cut piece 11, first positioning hole 111, through groove 21, receiving groove 211, passing groove 212, fixing pin 31, second positioning hole 41, installation through hole 42, first positioning cut 51, second positioning cut 52, assembly hole 61 Detailed implementation manners

[0025] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0026] In the description of the present application, it should be noted that the orientation or positional relationship indicated by terms such as "left" and "right" is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of this application is normally placed. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0027] In the description of the present application, it should also be noted that unless otherwise clearly specified and defined, the terms "arrangement" and "connection" 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, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0028] As Figures 1 to 12 shown, a decorative strip connection and tensioning structure provided in this embodiment includes a decorative strip 3, a connecting piece 4, a limiting card board 5, a fixed bottom board 6, and a fixed card 7. Among them, a plurality of fixing pins 31 are provided on the back of the decorative strip 3, and first positioning holes 111 are provided on the upper core cut piece 11 of the seat upholstery 1 at positions opposite to the fixing pins 31 of the decorative strip. The decorative strip 3 is installed in the first positioning holes 111 of the upper core cut piece 11. The head and tail ends of the connecting piece 4 overlap and are fixed to the limiting card board 5 by sewing. A second positioning hole 41 is provided on the connecting piece 4. The fixed bottom board 6 is arranged in the connection sleeve formed by connecting the head and tail of the connecting piece 4. Assembly holes 61 are provided on the fixed bottom board 6 at positions opposite to the fixing pins 31 of the decorative strip, and at least one assembly hole 61 is concentric with the second positioning hole 41 of the connecting piece 4. The fixed card 7 is inserted through the fixing pin 31 of the decorative strip to fix the fixed bottom board 6 and the connecting piece 4 on the fixing pin 31. A through groove 21 is provided on the foam assembly 2 of the seat cover at a position opposite to the decorative strip 3. The through groove is composed of a receiving groove 211 and a passing groove 212, and the width of the receiving groove 211 is greater than the width of the passing groove 212. The fixed bottom board 6 and the fixed card 7 are arranged in the receiving groove 211. The connecting piece 4 and the limiting card board 5 pass through the passing groove 212, and the limiting card board 5 is stuck on the outermost side of the foam assembly 2.

[0029] Furthermore, as Figure 4 shown, in this embodiment, first positioning cuttings 51 and second positioning cuttings 52 are respectively provided on both sides of the limiting card board 5, and the connecting piece 4 is fixed between the first positioning cutting and the second positioning cutting by sewing.

[0030] Furthermore, as Figures 1 to 12As shown, in this embodiment, three fixing pins 31 are equidistantly arranged on the back of the decorative strip 3, and three first positioning holes 11 are provided on the core upper cut piece 11 at positions opposite to the three fixing pins 31; three assembly holes 61 are provided on the fixed bottom plate 6 at positions opposite to the three fixing pins 31 of the decorative strip 3; a second positioning hole 41 and an installation through hole 42 are provided on the connecting piece 4. The middle assembly hole 61 of the fixed bottom plate 6 is concentric with the second positioning hole 41 of the connecting piece 4. The size of the installation through hole 42 needs to ensure that the tool sleeve 8 for assembling the fixing card 7 can be inserted, so as to facilitate fixing the fixing card 7 on the fixing pin 31 through the tool sleeve 8.

[0031] Further, as Figure 9 shown, in this embodiment, the seat cover 1 includes a core upper cut piece 11, a left wing cut piece 12, a right wing cut piece 13, and a core cut piece 14. The core upper cut piece 11, the left wing cut piece 12, the right wing cut piece 13, and the core cut piece 14 are connected by sewing.

[0032] Further, in this embodiment, the connecting piece 4 is made of cloth, and the limiting card plate 5 and the fixed bottom plate 6 are plastic parts.

[0033] Further, in this embodiment, the fixing card 7 is in interference fit with the fixing pin 31; during assembly, the small head end of the fixing card 7 is placed in the tool sleeve 8, and then the tool sleeve 8 is struck forcefully to assemble the fixing card 7 in place.

[0034] The assembly process of the tensioning structure provided by the present utility model is as follows:

[0035] First, install the decorative strip 3 on the core upper cut piece 11 to form an assembly assembly I (as Figure 3 ); sew the connecting piece 4 and the limiting card plate 5 together to form a sewing assembly I (as Figure 4 ); then assemble the fixed bottom plate 6 and the sewing assembly I together, and align the second positioning hole 41 and the middle assembly hole 61 concentrically to form an assembly assembly II (as Figure 5 ). Assemble the assembly assembly I and the assembly assembly II together to form an assembly assembly III (as Figure 6 ); then, assemble the fixing card 7 on the assembly assembly III to form a pre-assembly assembly IV (as Figure 8 ), and then pass the tool sleeve 8 through the installation through hole 42 to install the fixing card 7 in place to eliminate the gap of the pre-assembly assembly IV (as Figure 10 ), forming a core upper cut piece assembly. The core upper cut piece assembly, the left wing cut piece, the right wing cut piece, and the core cut piece are connected together by sewing to form a brand-new structure of the seat cover assembly. The seat cover assembly is assembled on the foam assembly, and the limiting card plate 5 is passed through the through groove 21 of the foam assembly. The position after assembly is as Figure 11 shown.

[0036] The above are the specific implementation manners of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A decorative strip connection and tensioning structure, characterized in that: The seat cover comprises a decorative strip, a connecting piece, a limiting card plate, a fixed base plate and a fixed card; wherein, a plurality of fixing pins are arranged on the back of the decorative strip, a first positioning hole is arranged on the core upper piece of the seat cover at a position opposite to the fixing pin of the decorative strip, and the decorative strip is installed in the first positioning hole of the core upper piece; the head and tail ends of the connecting piece overlap and are fixed on the limiting card plate by sewing, and a second positioning hole is arranged on the connecting piece; the fixed base plate is arranged in a connecting sleeve formed by connecting the connecting pieces head to tail, the fixed base plate is provided with an assembly hole at a position opposite to the fixing pin of the decorative strip, and at least one assembly hole is concentric with the second positioning hole of the connecting piece, and the fixed card is installed on the fixing pin of the decorative strip, and is used to fix the fixing base plate and the connecting piece on the fixing pin; the foam assembly of the seat cover is provided with a through groove at a position opposite to the decorative strip, the through groove is composed of a receiving groove and a through groove, and the width of the receiving groove is greater than the width of the through groove, the fixed base plate and the fixed card are arranged in the receiving groove, the connecting piece and the limiting card plate pass through the through groove, and the limiting card plate is clamped at the outermost side of the foam assembly.

2. A decorative strip connection and tensioning structure according to claim 1, characterized in that: A first positioning notch and a second positioning notch are respectively provided on both sides of the limiting clamping plate, and the connecting piece is fixed between the first positioning notch and the second positioning notch by sewing.

3. The decorative strip connection and tensioning structure according to claim 1, characterized in that: Three fixing pins are arranged at equal intervals on the back side of the decorative strip, and three positioning holes are arranged on the upper core piece at positions opposite to the three fixing pins; three assembly holes are arranged on the fixed base plate at positions opposite to the three fixing pins of the decorative strip; a positioning hole and an installation through hole are arranged on the connecting piece, and the assembly hole in the middle of the fixed base plate is concentric with the positioning hole of the connecting piece, and the size of the installation through hole needs to ensure that the tool sleeve used for assembling the fixing card can be inserted.

4. The decorative strip connection and tensioning structure according to claim 1, characterized in that: The seat cover comprises a core upper piece, a left wing piece, a right wing piece, and a core piece, and the core upper piece, the left wing piece, the right wing piece, and the core piece are connected by sewing.

5. The decorative strip connection and tensioning structure according to claim 1, characterized in that: The connecting piece is made of cloth, and the limiting clamping plate and the fixing bottom plate are made of plastic parts.

Images