Novel clamping type seat backrest framework decorative plate mounting structure

Abstract

The utility model relates to a novel clamping type seat backrest framework decorative plate installation structure, in the installation structure, a decorative plate is connected with a backrest framework assembly through a pressing nail, one side, facing a protective plate, of the decorative plate is provided with an inserting groove, a weak clamping point, a strong clamping point and a positioning groove, and the inner side wall of the inserting groove is provided with a clamping point. An inserting block, a weak limiting clamping block and a limiting block are arranged on the inner protective plate, a strong limiting clamping block and a positioning block are arranged on the outer protective plate, the decorative plate is installed in a limited mode through a strong clamping plastic part and a weak clamping plastic part, and after a strong clamping groove in the strong limiting clamping block and a strong clamping point of the decorative plate are clamped and limited, a gap between the decorative plate and the outer protective plate can be guaranteed; the weak clamping groove in the weak limiting clamping block and the weak clamping point of the decorative plate are clamped and limited, under the action of the limiting block, smooth assembly can be guaranteed, meanwhile, a gap between the decorative plate and the inner protection plate can be guaranteed, the installation structure can guarantee that the gap is uniform and smaller than or equal to 0.5 mm after assembly, and the appearance quality of a seat is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts and relates to a novel clamping type seat back frame decorative plate installation structure. Background Art

[0002] In order to ensure the beauty of car seats, decorative panels are usually installed at the seat back frame during seat design. The decorative panels at the existing car seat back frame are fixed to the frame by screws. This installation method will cause uneven Y-direction gaps between the decorative panels and the outer guard plate, affecting the appearance quality of the seat; in addition, there are also problems such as high cost and assembly time. Utility Model Content

[0003] In view of the above-mentioned technical problems and shortcomings, the purpose of the utility model is to provide a new type of snap-in seat back frame decorative panel installation structure, which utilizes two types of strong and weak snap-in plastic parts to limit the installation of the decorative panel, thereby ensuring that the gap is uniform after assembly and the gap is ≤0.5mm, and the assembly can be completed by pressing in the Y direction during assembly, which has the advantages of convenient and fast assembly and low cost.

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

[0005] A novel snap-in seat back frame decorative panel mounting structure, comprising a back frame assembly, a guard plate, and a decorative panel, wherein the guard plate comprises an inner guard plate and an outer guard plate snap-connected with the inner guard plate, and the decorative panel is arranged between the back frame assembly and the guard plate, and the improvement made is as follows: the decorative panel is provided with two connecting ears at a position opposite to the mounting hole on the back frame assembly on one side facing the guard plate, the two connecting ears are arranged opposite to each other, and each connecting ear is provided with an assembly hole, and the decorative panel is fixed to the back frame assembly by nails passing through the assembly hole and the mounting hole of the back frame assembly in sequence; a slot is provided at a position close to the front end on the side facing the guard plate, and a snap-in point is provided on the inner side wall of the slot; at least one weak snap-in point and at least one strong snap-in point are arranged at intervals along the circumference of the decorative panel on the side facing the guard plate, and a positioning groove is provided at a position close to the rear end on the side facing the guard plate; a plug-in block protruding in the Y direction is provided on the inner side wall of the inner guard plate at a position opposite to the slot, and a storage space for accommodating the bottom edge of the decorative panel is reserved between the root of the plug-in block and the inner guard plate A slot is provided on the plug-in block for engaging with the card point; a weak limit card block protruding in the Y direction is provided on the inner side wall of the inner guard plate at a position opposite to the weak card point, and a receiving slot for accommodating the bottom edge of the decorative plate is reserved between the root of the weak limit card block and the inner guard plate, a weak card slot is provided on the weak limit card block for engaging with the weak card point, at least one limit block is provided at a position close to the weak limit card block, and a receiving slot for accommodating the bottom edge of the decorative plate is reserved between the root of the limit block and the inner guard plate; the inner side wall of the outer guard plate A strong limit clamping block protruding in the Y direction is provided on the side wall at a position opposite to the strong clamping point, and a receiving groove for accommodating the bottom edge of the decorative panel is reserved between the root of the strong limit clamping block and the outer guard plate, and a strong clamping groove for cooperating with the strong clamping point to achieve clamping is provided on the strong limit clamping block, the wall thickness of the strong limit clamping block is greater than that of the weak limit clamping block, and reinforcing ribs are provided between the strong limit clamping block and the outer guard plate, and a positioning block protruding in the Y direction is provided on the inner side wall of the outer guard plate at a position opposite to the positioning groove, and the positioning block is inserted into the positioning groove of the decorative panel.

[0006] As a preferred embodiment of the utility model, two weak clamping points and two strong clamping points are arranged on the decorative plate; two weak limit clamping blocks and two limit blocks are arranged on the inner guard plate, and the two limit blocks are arranged on both sides of the weak limit clamping block close to the front end; two strong limit clamping blocks are arranged on the outer guard plate.

[0007] As a preferred embodiment of the present invention, the wall thickness of the bottom edge of the decorative plate facing the guard plate side is smaller than the overall wall thickness of the decorative plate, and the bottom edge of the decorative plate is inserted into the accommodating grooves of the inner guard plate and the outer guard plate.

[0008] As a preferred embodiment of the present invention, the contact end between the limit block and the decorative plate is an arc-shaped transition structure.

[0009] As a preferred embodiment of the present invention, one of the surfaces of the positioning block in contact with the positioning groove is an inclined surface.

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

[0011] (1) The decorative panel provided by the utility model improves its own structure and the inner and outer guard plate structures matched therewith, and fixes the decorative panel to the seat back frame by means of a clip-on method, and limits the installation of the decorative panel by means of two types of strong and weak clip-on plastic parts. The strong clip grooves and the strong clip points on the strong limit clip block are clip-on limited to ensure the gap between the decorative panel and the outer guard plate, and the weak clip grooves and the weak clip points on the weak limit clip block are clip-on limited to ensure the gap between the decorative panel and the inner guard plate under the action of the limit block. The above-mentioned installation structure can ensure that the gap is uniform after assembly and the gap is ≤0.5mm, thereby improving the appearance quality of the seat.

[0012] (2) The mounting structure provided by the utility model can be assembled by pressing in the Y direction, which has the advantages of convenient and fast assembly and low cost, and can replace traditional screw fixation. 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 It is an exploded schematic diagram of the guard plate and the decorative plate of the utility model;

[0015] Figure 2 For this utility model Figure 1 A partial enlarged view of

[0016] Figure 3 It is a schematic diagram of the connection between the guard plate and the backrest frame assembly of the utility model;

[0017] Figure 4 For this utility model Figure 3 A partial enlarged view of

[0018] Figure 5 This is a schematic diagram of the overall structure of the decorative plate of the utility model;

[0019] Figure 6 Schematic diagram of the protective plate and decorative plate of the utility model Figure 1 ;

[0020] Figure 7 for Figure 6 Cross-section of the middle AA;

[0021] Figure 8 Schematic diagram of the protective plate and decorative plate of the utility model Figure 2 ;

[0022] Fig. 9 for Figure 8 Cross-section of the BB.

[0023] Figure numerals: backrest frame assembly 1, decorative panel 2, inner guard plate 3, outer guard plate 4, push pin 5, ear 21, slot 22, weak clamping point 23, strong clamping point 24, positioning slot 25, plug-in block 31, weak limit clamping block 32, limit block 33, strong limit clamping block 41, positioning block 42, reinforcing rib 43, assembly hole 211, clamping slot 311, weak clamping slot 321, strong clamping slot 411. 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 the present application, it should be noted that the terms "front end", "rear end", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are orientations or positional relationships in which the product of the application is usually placed when in use. These are only for the convenience of describing the present application and simplifying the description, and do 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 should not be understood as a limitation on the present application.

[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 1 to 9As shown, a novel snap-on seat back frame decorative plate mounting structure provided in this embodiment includes a back frame assembly 1, a guard plate, and a decorative plate 2. The guard plate includes an inner guard plate 3 and an outer guard plate 4 snap-connected with the inner guard plate. The decorative plate 2 is arranged between the back frame assembly 1 and the guard plate. The improvement made is that two connecting ears 21 are arranged on one side of the decorative plate facing the guard plate at a position opposite to the mounting hole (not shown) on the back frame assembly 1. The two connecting ears 21 are arranged opposite to each other, and each connecting ear 21 is provided with an assembly hole 211. The push pin 5 passes through the assembly hole 211 and the mounting hole of the back frame assembly 1 in sequence. The decorative panel 2 is fixed on the backrest frame assembly 1; a slot 22 is provided on the side of the decorative panel 2 facing the guard plate near the front end, and a clamping point (not shown) is provided on the inner wall of the slot 22; two weak clamping points 23 and two strong clamping points 24 are arranged at intervals along the circumference of the decorative panel 2 on the side of the decorative panel 2 facing the guard plate, and a positioning groove 25 is provided on the side of the decorative panel 2 facing the guard plate near the rear end; a plug-in block 31 protruding in the Y direction is provided on the inner wall of the inner guard plate 3 at a position opposite to the slot 22, and a receiving groove for receiving the bottom edge of the decorative panel 2 is reserved between the root of the plug-in block 31 and the inner guard plate 3, and a plug-in block 31 is provided on the inner wall of the inner guard plate 3. A card slot 311 is provided for cooperating with the card point to realize card connection; the inner side wall of the inner guard plate 3 is provided with two weak limit card blocks 32 protruding in the Y direction at a position opposite to the two weak card points 23, and a receiving groove a for accommodating the bottom edge of the decorative plate 2 is reserved between the root of the two weak limit card blocks 32 and the inner guard plate 3, and a weak card slot 321 is provided on the weak limit card block 32 for cooperating with the weak card point 23 to realize card connection, and two limit blocks 33 are provided at a position close to the weak limit card block 32, and a receiving groove a for accommodating the bottom edge of the decorative plate 2 is reserved between the root of the limit block 33 and the inner guard plate 3; the inner side wall of the outer guard plate 4 is provided with two Two strong limit clamping blocks 41 protruding in the Y direction are provided at the position opposite to the strong clamping point 24, and a receiving groove for accommodating the bottom edge of the decorative panel 2 is reserved between the roots of the two strong limit clamping blocks 41 and the outer guard plate 4. A strong clamping groove 411 is provided on the strong limit clamping block 41 for cooperating with the strong clamping point 24 to achieve clamping. The wall thickness of the strong limit clamping block 41 is greater than the wall thickness of the weak limit clamping block 32, and a reinforcing rib 43 is provided between the strong limit clamping block 41 and the outer guard plate 4. A positioning block 42 protruding in the Y direction is provided on the inner side wall of the outer guard plate 4 at a position opposite to the positioning groove 25, and the positioning block 42 is inserted into the positioning groove 25 of the decorative panel 2.

[0028] In this embodiment, the two limit blocks 33 are arranged on both sides of the weak limit clamping block 32 near the front end to prevent the decorative panel 2 from deforming during assembly and affecting the assembly gap between the inner guard plate 3 and the outer guard plate 4.

[0029] In this embodiment, the wall thickness of the bottom edge of the decorative plate 2 facing the guard plate side is smaller than the overall wall thickness of the decorative plate 2 , and the bottom edge of the decorative plate 2 is inserted into the receiving grooves of the inner guard plate 3 and the outer guard plate 4 .

[0030] Furthermore, in the present embodiment, the two limit blocks 33 and the contact end of the decorative panel 2 are arc-shaped transition structures, which can not only play a guiding role and facilitate assembly, but also play a limiting role after the decorative panel 2 is assembled in place, thereby ensuring the assembly gap between the decorative panel 2 and the inner guard panel 3.

[0031] Furthermore, in this embodiment, two reinforcing ribs 43 are arranged between the strong limit clamping block 41 and the outer guard plate 4, and the two reinforcing ribs 43 can ensure the strength of the strong limit clamping block 41, so as to achieve rigid limit between the decorative plate 2 and the outer guard plate 4, and ensure the assembly gap between the decorative plate 2 and the outer guard plate 4.

[0032] Furthermore, in this embodiment, one of the surfaces of the positioning block 42 that contacts the positioning groove 25 is an inclined surface. This form is convenient for assembly and can also play a positioning role.

[0033] 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 novel snap-on seat back frame decorative plate mounting structure, comprising a back frame assembly, a guard plate, and a decorative plate, wherein the guard plate comprises an inner guard plate and an outer guard plate snap-on with the inner guard plate, and the decorative plate is arranged between the back frame assembly and the guard plate, and is characterized in that: The side of the decorative panel facing the guard plate is provided with two connecting ears at a position opposite to the mounting holes on the backrest frame assembly, the two connecting ears are arranged oppositely, and each connecting ear is provided with an assembly hole, and the decorative panel is fixed to the backrest frame assembly by nails passing through the assembly holes and the mounting holes of the backrest frame assembly in sequence; a slot is provided at a position close to the front end on the side of the decorative panel facing the guard plate, and a clamping point is provided on the inner side wall of the slot; at least one weak clamping point and at least one strong clamping point are arranged at intervals along the circumference of the decorative panel on the side of the decorative panel facing the guard plate, and a positioning groove is provided at a position close to the rear end on the side of the decorative panel facing the guard plate; a plug-in block protruding in the Y direction is provided on the inner side wall of the inner guard plate at a position opposite to the slot, and a accommodating groove for accommodating the bottom edge of the decorative panel is reserved between the root of the plug-in block and the inner guard plate, and a clamping groove is provided on the plug-in block to cooperate with the clamping point to achieve clamping; a There is a weak limit clamping block protruding in the Y direction, and a receiving groove for accommodating the bottom edge of the decorative plate is reserved between the root of the weak limit clamping block and the inner guard plate. The weak limit clamping block is provided with a weak clamping groove that cooperates with the weak clamping point to achieve clamping. At least one limit block is provided at a position close to the weak limit clamping block, and a receiving groove for accommodating the bottom edge of the decorative plate is reserved between the root of the limit block and the inner guard plate; the inner side wall of the outer guard plate is provided with a strong clamping point protruding in the Y direction at a position opposite to the strong clamping point. A limit clamping block, a receiving groove for accommodating the bottom edge of the decorative panel is reserved between the root of the strong limit clamping block and the outer guard plate, the strong limit clamping block is provided with a strong clamping groove for cooperating with the strong clamping point to achieve clamping, the wall thickness of the strong limit clamping block is greater than that of the weak limit clamping block, and reinforcing ribs are provided between the strong limit clamping block and the outer guard plate, and a positioning block protruding in the Y direction is provided on the inner side wall of the outer guard plate at a position opposite to the positioning groove, and the positioning block is inserted into the positioning groove of the decorative panel.

2. According to claim 1, a novel snap-on seat back frame decorative panel mounting structure is characterized in that: Two weak clamping points and two strong clamping points are arranged on the decorative plate; two weak limit clamping blocks and two limit blocks are arranged on the inner guard plate, and the two limit blocks are arranged on both sides of the weak limit clamping block close to the front end; two strong limit clamping blocks are arranged on the outer guard plate.

3. The novel snap-on seat back frame decorative panel mounting structure according to claim 1 is characterized in that: The wall thickness of the bottom edge of the decorative plate facing the guard plate side is smaller than the overall wall thickness of the decorative plate, and the bottom edge of the decorative plate is inserted into the receiving grooves of the inner guard plate and the outer guard plate.

4. The novel snap-on seat back frame decorative panel mounting structure according to claim 1 is characterized in that: The contact end between the limit block and the decorative plate is an arc-shaped transition structure.

5. The novel snap-on seat back frame decorative panel mounting structure according to claim 1 is characterized in that: One of the surfaces of the positioning block contacting the positioning groove is an inclined surface.

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