Backboard structure of seat backrest

Abstract

The utility model discloses a back plate structure of a seat backrest, which belongs to the technical field of automobile parts and comprises a backrest protecting surface coated on the front side of backrest foam, the rear side of the backrest foam is arranged on the front side of a backrest framework, a backrest back plate is arranged on the rear side of the backrest framework, and a back plate upper decorative cover is inserted into the top of the backrest back plate. And the back plate upper decorative cover is clamped with a headrest cavity decorative part which sequentially penetrates through the backrest protective surface, the backrest foam, the backrest framework and the backrest back plate. According to the seat backrest backboard structure, the backrest backboard and the backrest framework are fixed in a threaded connection and clamping connection mode, the strength requirement of a 3C test can be met through screw connection, the backboard is prevented from falling off in the test process, the headrest cavity decorating part is directly connected with the backrest backboard in a clamped mode, and assembling is easy; the headrest cavity decorating part and the back plate are of a front-back penetrating structure, passengers in the back row can see the decorating part, the headrest cavity decorating part and a decorating cover on the upper portion of the back plate are manufactured through the matte spraying technology, and the appearance quality is improved.

Description

Technical Field

[0001] The utility model discloses a seat back panel structure, belonging to the technical field of automobile spare parts. Background Art

[0002] In recent years, with the continuous development of the automobile industry, people's aesthetic requirements for the shape of automobile seats have been continuously improved. People hope to add a headrest cavity decorative part that runs through the front and back on the basis of an integrated headrest to enhance the visual quality sense. At the same time, different processes are used for plastic parts to improve the appearance quality.

[0003] The Chinese invention patent with the patent number CN215793351 and the name of front row backrest through decorative part structure, front row seat backrest, seat and vehicle. Although this application is also a headrest cavity through decorative part structure, it adds 2 connecting parts and uses screw connections in many places, with a complex assembly process and high cost. At the same time, the rear part does not integrate a back panel structure and does not meet the current mainstream layout of the front row seats. Summary of the Invention

[0004] The purpose of the utility model is to solve the problems of the existing headrest cavity through decorative part structure with complex assembly process, high cost and not meeting the current mainstream layout of the front row seats, and to propose a seat back panel structure.

[0005] The problems to be solved by the utility model are realized by the following technical solutions:

[0006] A seat back panel structure includes a backrest cover covering the front side of the backrest foam. The back side of the backrest foam is arranged on the front side of the backrest frame. A backrest back panel is arranged on the back side of the backrest frame. The top of the backrest back panel is inserted with an upper back panel decorative cover, and the upper back panel decorative cover is clamped together with a headrest cavity decorative part that sequentially passes through the backrest cover, the backrest foam, the backrest frame and the backrest back panel.

[0007] Preferably, the backrest back panel includes an upper backrest panel, and the upper backrest panel is connected to a lower backrest panel through a plurality of connecting columns. The upper backrest panel cooperates with the top of the mounting plate of the backrest frame through a first clamping part, and the upper backrest panel cooperates with the top of the clamping pipe of the backrest frame through a second clamping part. The upper backrest panel is bolt-connected to the rear side of the mounting plate through a connecting part, and the backrest frame is bolt-connected to the screw connecting column at the top of the upper backrest panel through a screw connecting part.

[0008] Preferably, a plurality of insertion slots are arranged near the rear side of the top of the upper backrest panel, and the inner side of the upper back panel decorative cover cooperates with the plurality of insertion slots through a plurality of insertion columns.

[0009] Preferably, four first decorative cover insertion slots are symmetrically arranged inside the upper decorative cover of the backboard. On the upper and lower sides of the decorative cover mounting hole between the four first decorative cover insertion slots, a second decorative cover insertion slot and a decorative cover insertion post are respectively provided. Four headrest cavity clamping plates that cooperate with the first decorative cover insertion slots are symmetrically arranged inside the headrest cavity decorative part. On the upper and lower sides of the headrest cavity mounting hole that cooperates with the decorative cover mounting hole between the four headrest cavity clamping plates, a headrest cavity insertion post and a headrest cavity insertion slot that cooperate with the second decorative cover insertion slot and the decorative cover insertion post are respectively provided.

[0010] The beneficial effects of the present utility model compared with the prior art are as follows:

[0011] The present utility model provides a seat back backboard structure. The backboard of the seat back is fixed to the backrest frame by screwing and clamping methods. The screw connection can meet the strength requirements of the 3C test and prevent the backboard from falling off during the test. The headrest cavity decorative part is directly clamped to the backboard of the seat back, which is easy to assemble. The headrest cavity decorative part and the backboard adopt a front-back through structure, so that the rear passengers can see through the decorative part. While having an integrated headrest structure, it adds decoration to the seat and improves the visual quality. The upper decorative cover of the backboard is ultrasonically welded to the backboard, and the headrest cavity decorative part and the upper decorative cover of the backboard are matte sprayed, which improves the appearance quality. Description of the Drawings

[0012] Figure 1 It is an overall structure diagram of a seat back backboard structure of the present utility model.

[0013] Figure 2 It is an isometric view of the backboard of the seat back in a seat back backboard structure of the present utility model.

[0014] Figure 3 It is a partial isometric view of the backrest frame in a seat back backboard structure of the present utility model.

[0015] Figure 4 It is a partial isometric view of a seat back backboard structure of the present utility model.

[0016] Figure 5 It is a partial isometric view of a seat back backboard structure of the present utility model.

[0017] Figure 6 It is an isometric view of the upper decorative cover of the backboard in a seat back backboard structure of the present utility model.

[0018] Figure 7 It is a partial isometric view of a seat back backboard structure of the present utility model.

[0019] Figure 8It is an isometric view of the headrest cavity decorative part in the backrest panel structure of a seat back of the present utility model.

[0020] Wherein, 1 - headrest cavity decorative part, 2 - backrest surface, 3 - backrest foam, 4 - backrest skeleton, 5 - backrest panel, 6 - upper backrest decorative cover, 11 - headrest cavity clamping plate, 12 - headrest cavity insertion post, 13 - headrest cavity insertion slot, 41 - screw connection part, 42 - clamping tube, 43 - mounting plate, 51 - lower backrest of the backrest, 52 - connecting post, 53 - first clamping part, 54 - upper backrest of the backrest, 55 - second clamping part, 56 - connecting part, 57 - insertion slot, 58 - screw connection post, 61 - first decorative cover insertion slot, 62 - second decorative cover insertion slot, 63 - decorative cover insertion post, 64 - insertion post. Detailed implementation manners

[0021] The following is a further description of the present utility model according to the attached Figures 1-5 illustrations:

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model 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 thus should not be construed as a limitation to the present utility model.

[0024] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", 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 or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0025] As Figure 1As shown in the figure, the first embodiment of the present utility model provides a seat back backrest structure on the basis of the prior art, which includes a backrest cover 2 wrapped around the front side of the backrest foam 3. The back side of the backrest foam 3 is installed on the front side of the backrest frame 4. A backrest backboard 5 is installed behind the backrest frame 4. A top decorative cover 6 of the backboard is inserted into the backrest backboard 5. The top decorative cover 6 of the backboard is clamped together with a headrest cavity decorative part 1 that sequentially passes through the backrest cover 2, the backrest foam 3, the backrest frame 4, and the backrest backboard 5.

[0026] As Figures 2-5 shown in the figure, the backrest backboard 5 includes an upper backrest backboard 54. The upper backrest backboard 54 is connected to a lower backrest backboard 51 through a plurality of connecting columns 53. The upper backrest backboard 54 cooperates with the top of the mounting plate 43 of the backrest frame 4 through a first clamping part 53. The upper backrest backboard 54 cooperates with the top of the clamping pipe 42 of the backrest frame 4 through a second clamping part 55. The upper backrest backboard 54 is bolt-connected to the rear side of the mounting plate 43 through a connecting part 56. The backrest frame 4 is bolt-connected to a screw connecting column 58 at the top of the upper backrest backboard 54 through a screw connecting part 41.

[0027] As Figure 6 shown in the figure, a plurality of insertion slots 57 are provided near the rear side of the upper part of the upper backrest backboard 54. The inner side of the top decorative cover 6 of the backboard cooperates with the plurality of insertion slots 57 through a plurality of insertion columns 64. The top decorative cover 6 of the backboard is connected to the backrest backboard 5 by an ultrasonic welding process.

[0028] Four first decorative cover insertion slots 61 are symmetrically arranged on the inner side of the top decorative cover 6 of the backboard. Second decorative cover insertion slots 61 and decorative cover insertion columns 63 are respectively arranged on the upper and lower sides of the decorative cover mounting holes between the four first decorative cover insertion slots 61. Four headrest cavity clamping plates 11 that cooperate with the first decorative cover insertion slots 61 are symmetrically arranged on the inner side of the headrest cavity decorative part 1. Headrest cavity insertion columns 12 and headrest cavity insertion slots 13 that cooperate with the second decorative cover insertion slots 61 and the decorative cover insertion columns 63 are respectively arranged on the upper and lower sides of the headrest cavity mounting holes that cooperate with the decorative cover mounting holes between the four headrest cavity clamping plates 11.

[0029] Although the embodiments of the present utility model have been disclosed as above, it is not limited to only the applications listed in the specification and embodiments. It can be fully applied to various fields suitable for the present utility model. For those familiar with the field, additional modifications can be easily achieved. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the present utility model is not limited to specific details and the illustrations shown and described here.

Claims

1. A seat back plate structure, characterized in that: The invention comprises a backrest cover (2) covering the front side of a backrest foam (3); the back side of the backrest foam (3) is arranged on the front side of a backrest frame (4); the back side of the backrest frame (4) is provided with a backrest backboard (5); the top of the backrest backboard (5) is plugged with a backboard upper decorative cover (6); the backboard upper decorative cover (6) is clamped together with a headrest cavity decorative piece (1) passing through the backrest cover (2), the backrest foam (3), the backrest frame (4) and the backrest backboard (5) in sequence.

2. The seat backrest structure according to claim 1, characterized in that: The backrest backboard (5) comprises an upper backboard (54), the upper backboard (54) being connected to a lower backboard (51) via a plurality of connecting columns (52), the upper backboard (54) being matched with the top of a mounting plate (43) of a backrest frame (4) via a first clamping portion (53), the upper backboard (54) being matched with the top of a clamping tube (42) of the backrest frame (4) via a second clamping portion (55), the upper backboard (54) being bolted to the rear side of the mounting plate (43) via a connecting portion (56), and the backrest frame (4) being bolted to a screw connecting column (58) at the top of the upper backboard (54) via a screw connecting portion (41).

3. The seat backrest structure according to claim 2, characterized in that: The upper back plate (54) of the backrest is provided with a plurality of insertion slots (57) near the top rear side, and the inner side of the upper decorative cover (6) of the back plate cooperates with the plurality of insertion slots (57) via a plurality of insertion columns (64).

4. The seat backrest structure according to claim 3, characterized in that: Four first decorative cover plug-in grooves (61) are symmetrically arranged on the inner side of the upper decorative cover (6) of the back plate, and second decorative cover plug-in grooves (62) and decorative cover plug-in columns (63) are respectively arranged on the upper and lower sides of the decorative cover mounting hole between the four first decorative cover plug-in grooves (61), and four headrest cavity clamping plates (11) cooperating with the first decorative cover plug-in grooves (61) are symmetrically arranged on the inner side of the headrest cavity decorative component (1), and headrest cavity plug-in columns (12) and headrest cavity plug-in grooves (13) cooperating with the second decorative cover plug-in grooves (62) and the decorative cover plug-in columns (63) are respectively arranged on the upper and lower sides of the headrest cavity mounting hole cooperating with the decorative cover mounting hole between the four headrest cavity clamping plates (11).

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