A seat back connection assembly

Abstract

The application relates to the technical field of seats, in particular to a seat backrest connecting assembly; the seat backrest connecting assembly comprises a connecting base, a first connecting piece and a second connecting piece, the first connecting piece is connected with the connecting base; the second connecting piece is provided with a clamping part, the second connecting piece is clamped with the first connecting piece through the clamping part; so that the first surface cover and the second surface cover are connected, the first surface cover is connected with the first connecting piece, and the second surface cover is connected with the second connecting piece; the application sets the clamping part on the second connecting piece, so that the connection between the first surface cover and the second surface cover is limited, and the installation stability between the first surface cover and the second surface cover is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of seats, in particular to a seat backrest connecting assembly. BACKGROUND

[0002] With the development of the times, the seat can be disassembled and assembled, which has gradually become the mainstream design of the seat. Among them, the design of assembling the backrest display cover and the backrest hidden cover into the outer surface of the seat backrest is commonly used in car seats. In the prior art, the connection mode of the backrest display cover and the backrest hidden cover causes the backrest hidden cover and the backrest display cover to be easily detached, that is, the backrest display cover and the backrest hidden cover are not firm. Therefore, a seat backrest connecting assembly is proposed to solve the above problems. SUMMARY

[0003] In view of the above problems of the prior art, the purpose of the present application is to set a clamping part on the second connecting piece to limit the connection between the first cover and the second cover, thereby improving the installation stability between the first cover and the second cover.

[0004] In order to solve the above problems, the present application provides a seat backrest connecting assembly, a connecting base, a first connecting piece and a second connecting piece, the first connecting piece is connected with the connecting base;

[0005] The second connecting piece is provided with a clamping part, and the second connecting piece is clamped with the first connecting piece through the clamping part; so that the first cover and the second cover are connected, the first cover is connected with the first connecting piece, and the second cover is connected with the second connecting piece.

[0006] In one specific embodiment, the connecting base is provided with a first clamping groove, and the first connecting piece is connected with the connecting base through the first clamping groove.

[0007] In one specific embodiment, the second connecting piece further includes a supporting part, the supporting part abuts against the connecting base, and is used for fitting the second connecting piece with the first connecting piece, so that the second connecting piece is clamped with the first connecting piece.

[0008] In one specific embodiment, the supporting part includes at least one supporting unit, and each supporting unit includes at least one supporting point abutting against the connecting base.

[0009] In one specific embodiment, the supporting unit includes a triangular supporting unit, and the vertex of the triangular supporting unit is the supporting point.

[0010] In one specific embodiment, the triangular supporting unit includes an equilateral triangular supporting unit.

[0011] In another specific embodiment, the support unit comprises a circular arc support unit, and a tangent point of the circular arc support unit and the connecting base is the support point.

[0012] In one specific embodiment, the first connector comprises a lapping portion, and the first clamping slot comprises an abutting portion, and the lapping portion is matched with the abutting portion to abut the first connector and the first clamping slot.

[0013] In another specific embodiment, the first connector comprises a penetrating portion, and the penetrating portion is provided with a second clamping slot, and the first clamping slot is provided with a clamping point;

[0014] After the penetrating portion is inserted into the first clamping slot, the second clamping slot is matched with the clamping point to be clamped.

[0015] In one specific embodiment, the first connector and the second connector are made of polypropylene material.

[0016] Thanks to the above technical solution, the seat backrest connecting assembly has the following beneficial effects:

[0017] In the seat backrest connecting assembly, the second connector is clamped with the first connector through the clamping portion, so that the first connector and the second connector are limited, and the connection stability between the first connector and the second connector is improved. The first surface cover is connected with the first connector, and the second surface cover is connected with the second connector. After the first connector and the second connector are clamped, the installation stability between the first surface cover and the second surface cover is improved, and the durability of the seat is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the present application, the following will briefly introduce the drawings needed in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0019] Figure 1 is a structural schematic view of a seat backrest connecting assembly provided by an embodiment of the present application;

[0020] Figure 2 is a structural sectional view of a seat backrest connecting assembly provided by an embodiment of the present application.

[0021] In one specific embodiment, the first connector comprises a lapping portion, and the first clamping slot comprises an abutting portion, and the lapping portion is matched with the abutting portion to abut the first connector and the first clamping slot. In another specific embodiment, the first connector comprises a penetrating portion, and the penetrating portion is provided with a second clamping slot, and the first clamping slot is provided with a clamping point; DETAILED DESCRIPTION

[0022] 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0023] The term "one embodiment" or "an embodiment" as used herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one implementation of the application. The appearances of the term "one embodiment" or "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily referring to one specific embodiment. In the description of the application, the terms "upper", "lower", "left", "right", "top", "bottom", and the like refer to the orientation or position shown in the drawings, and are used only for convenience in describing the application and simplifying the description, and do not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application. In addition, the terms "first", "second", etc. are used only for descriptive purposes and should not be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. Furthermore, the terms "first", "second", etc. are used to distinguish similar objects, and do not necessarily describe a particular order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the application described herein can be implemented in an order other than that illustrated or described herein.

[0024] Embodiment 1

[0025] In combination Figure 1The seat backrest connecting assembly provided in the embodiment comprises a connecting base 1, a first connecting piece 2 and a second connecting piece 3, the first connecting piece 2 is connected with the connecting base 1; the second connecting piece 3 is provided with a clamping part 31, and the second connecting piece 3 is clamped with the first connecting piece 2 through the clamping part 31; so that the first face cover 4 is connected with the second face cover 5, the first face cover 4 is connected with the first connecting piece 2, and the second face cover 5 is connected with the second connecting piece 3; the connecting base 1 is a support structure inside the seat backrest, comprising a seat framework; the first face cover 4 comprises a backrest display face cover, which is a face cover directly displayed outside in the use process of the backrest, various types of patterns can be arranged on the first face cover 4 to meet different needs of users; the second face cover 5 comprises a backrest hidden face cover, which is a face cover on the back side of the backrest in the use process and is used to contact other objects, for example, a wall surface or other backrest; specifically, the second face cover 5 comprises a vehicle backrest carpet; in the embodiment, the clamping part 31 is arranged on the second connecting piece 3, the second connecting piece 3 is clamped with the first connecting piece 2 through the clamping part 31, so that there is a limit between the first connecting piece 3 and the second connecting piece 2, and the connection stability between the first connecting piece 2 and the second connecting piece 3 is improved; the first face cover 4 is connected with the first connecting piece 2, and the second face cover 5 is connected with the second connecting piece 3, after the first connecting piece 2 and the second connecting piece 3 are clamped, the installation stability between the first face cover 4 and the second face cover 5 is improved, and the durable use degree of the seat is improved.

[0026] In the embodiment, the materials of the first face cover 4 and the second face cover 5 can be the same or different.

[0027] In the embodiment, the first connecting piece 2 and the second connecting piece 3 can be fixedly connected or detachably connected.

[0028] In the embodiment, the connecting base 1 is provided with a first clamping groove, and the first connecting piece 2 is connected with the connecting base 1 through the first clamping groove; by arranging the first clamping groove, the first connecting piece 2 is clamped with the connecting base 1, so that the stability of the connection between the first connecting piece 2 and the connecting base 1 is improved, the connection stability between the first face cover 4 and the second face cover 5 is further improved, and the durable use degree of the seat is further improved.

[0029] In the embodiment, the second connecting piece 3 further comprises a supporting part 32 abutting against the connecting base 1, for bonding the second connecting piece 3 with the first connecting piece 2, so that the second connecting piece 3 is clamped with the first connecting piece 2; in the embodiment, the second connecting piece 3 is not completely bonded with the connecting base 1, but abuts against the connecting base 1 through the supporting part 32, and a space is reserved between the supporting part 32 and the connecting base 1, so that the connecting base 1 can press against the supporting part 32 of the second connecting piece 3 to limit the second connecting piece 3, thereby bonding the second connecting piece 3 with the first connecting piece 2 while clamping the second connecting piece 3 with the first connecting piece 2; the second connecting piece 3 is deformed while being clamped with the first connecting piece 2; the second connecting piece 3 abuts against the connecting base 1, thereby improving the connection stability between the first connecting piece 2 and the second connecting piece 3 through the interaction of forces among the first connecting piece 2, the second connecting piece 3 and the connecting base 1.

[0030] Specifically, the clamping part 31 is arranged at the end of the second connecting piece 3 away from the mounting port, and the clamping part 31 is arranged at the end of the second connecting piece 3 away from the mounting port, so that the clamping of the first connecting piece 2 and the second connecting piece 3 can be realized through the deformation of the supporting part 32 of the second connecting piece 3, thereby reducing the installation complexity of the seat backrest connecting assembly.

[0031] In the embodiment, the supporting part 32 comprises a supporting unit, and the supporting unit comprises a supporting point abutting against the connecting base 1.

[0032] Specifically, the supporting unit comprises a triangular supporting unit, and the vertex of the triangular supporting unit is the supporting point. Based on the high stability of the triangle, the vertex of the triangular supporting unit is used as the supporting point abutting against the connecting base 1, so that the clamping of the first connecting piece 2 and the second connecting piece 3 can be realized, and the stability of the connection between the first connecting piece 2 and the second connecting piece 3 can be improved.

[0033] In the embodiment, the first connecting piece 2 comprises a lapping part 21, and the first clamping groove comprises an abutting part 111, and the lapping part 21 cooperates with the abutting part 111 to abut against the first clamping groove; the lapping part 21 is lapped on the abutting part 111 to limit the first connecting piece 2, so that the first connecting piece 2 is clamped while being convenient for dismounting the first connecting piece 2 from the connecting base 1, thereby improving the convenience of mounting or dismounting the seat backrest.

[0034] In the embodiment, the first connecting piece 2 and the second connecting piece 3 are made of polypropylene material.

[0035] In the embodiment, the connecting base 1 is made of sheet metal material.

[0036] The seat back connecting assembly in the embodiment can be a full-fit assembly, that is, the connection between the first face cover 4 and the second face cover 5 is provided with the seat back connecting assembly in the embodiment; the seat back connecting assembly in the embodiment can also be a partial-fit assembly, that is, the connection between the first face cover 4 and the second face cover 5 is provided with multiple seat back connecting assemblies in the embodiment; in the case of using a full-fit assembly, the connection between the first face cover 4 and the second face cover 5 is more firm, and the stability of the seat is improved; in the case of using a partial-fit assembly, the first connecting piece 2 and the second connecting piece 3 used for connecting the first face cover 4 and the second face cover 5 can be saved, and the manufacturing cost is thus reduced.

[0037] The specific installation steps of the seat back connecting assembly in the embodiment are as follows:

[0038] 1. The first connecting piece 2 is clamped with the connecting base 1 to connect the first face cover 4 with the seat framework; specifically, the lap joint portion 21 of the first connecting piece 2 is inserted into the first clamping groove, and the abutting portion 111 of the connecting base 1 is lapped with the lap joint portion 21, and at the same time, the abutting portion 111 abuts against the lap joint portion 21.

[0039] 2. The second connecting piece 3 is inserted into the gap between the first connecting piece 2 and the connecting base 1; due to the space limitation, the second connecting piece 3 is deformed with the fulcrum of the supporting portion 32 as the support point, and the second connecting piece 3 can be clamped with the first connecting piece 2, thereby realizing the connection between the first face cover 4 and the second face cover 5.

[0040] The seat back connecting assembly in the embodiment has the following beneficial effects:

[0041] In the seat back connecting assembly in the application, the clamping portion 31 is arranged on the second connecting piece 3, and the second connecting piece 3 is clamped with the first connecting piece 2 through the clamping portion 31, so that there is a limit between the first connecting piece 3 and the second connecting piece 2, and the connection stability between the first connecting piece 2 and the second connecting piece 3 is improved; the first face cover 4 is connected with the first connecting piece 2, and the second face cover 5 is connected with the second connecting piece 3, and after the first connecting piece 2 is clamped with the second connecting piece 3, the installation stability between the first face cover 4 and the second face cover 5 is improved, and the durability of the seat is improved.

[0042] Embodiment 2

[0043] In the embodiment, the supporting portion 32 includes a supporting unit, and the supporting unit includes a supporting point abutting against the connecting base 1.

[0044] Specifically, the supporting unit includes a circular arc supporting unit, and the tangent point between the circular arc supporting unit and the connecting base is the supporting point.

[0045] In the embodiment, the first connecting piece 2 comprises a penetrating part, the second clamping groove is arranged on the penetrating part, and the clamping point is arranged in the first clamping groove;

[0046] After the penetrating part is inserted into the first clamping groove, the second clamping groove is clamped with the clamping point; by arranging the penetrating part, the second clamping groove is arranged on the penetrating part, and the clamping point matched with the second clamping groove is arranged in the first clamping groove, so that the stability between the first connecting piece 2 and the connecting base 1 is improved, and the falling off between the first connecting piece 2 and the connecting base 1 is further avoided.

[0047] In the embodiment, the specific installation steps of the seat back connecting assembly are as follows:

[0048] 1, the first connecting piece 2 is clamped with the connecting base 1, so that the first surface cover 4 is connected with the seat framework, specifically, the penetrating part of the first connecting piece 2 is inserted into the first clamping groove, and the second clamping groove on the penetrating part is clamped with the clamping point in the first clamping groove.

[0049] 2, the second connecting piece 3 is inserted into the gap between the first connecting piece 2 and the connecting base 1, due to the space limitation, the second connecting piece 3 is deformed with the fulcrum of the supporting part 32 as the supporting point, and then the second connecting piece 3 can be clamped with the first connecting piece 2, so as to realize the connection between the first surface cover 4 and the second surface cover 5.

[0050] The above description has fully disclosed the specific embodiments of the application. It should be pointed out that any modification of the specific embodiments of the application made by those skilled in the art does not deviate from the scope of the claims of the application. Accordingly, the scope of the claims of the application is not limited to the foregoing specific embodiments.

Claims

1. A seat back connection assembly comprising: The first connecting piece (2) is connected with the connecting base (1); The second connecting piece (3) is provided with a clamping part (31), and the second connecting piece (3) is clamped with the first connecting piece (2) through the clamping part (31); so that the first face cover (4) and the second face cover (5) are connected, the first face cover (4) is connected with the first connecting piece (2), and the second face cover (5) is connected with the second connecting piece (3); The second connecting piece (3) further comprises a supporting part (32), the supporting part (32) abuts against the connecting base (1), and is used for fitting the second connecting piece (3) and the first connecting piece (2) to make the second connecting piece (3) and the first connecting piece (2) clamped; The supporting part (32) realizes the clamping of the second connecting piece (3) and the first connecting piece (2) through deformation; The supporting part (32) comprises at least one supporting unit, and each supporting unit comprises at least one supporting point abutting against the connecting base (1).

2. A seat back connection assembly according to claim 1, wherein, The connecting base (1) is provided with a first clamping groove, and the first connecting piece (2) is connected with the connecting base (1) through the first clamping groove.

3. A seat back connection assembly according to claim 1, wherein, The supporting unit comprises a triangular supporting unit, and the vertex of the triangular supporting unit is the supporting point.

4. A seat back connection assembly according to claim 3, wherein, The triangular supporting unit comprises an equilateral triangular supporting unit.

5. A seat back connection assembly according to claim 1, wherein, The supporting unit comprises a circular arc supporting unit, and the tangent point of the circular arc supporting unit and the connecting base is the supporting point.

6. A seat back connection assembly according to claim 2, wherein, The first connecting piece (2) comprises a lapping part (21), the first clamping groove comprises an abutting part (111), and the lapping part (21) is matched with the abutting part (111) to make the first connecting piece (2) abut against the first clamping groove.

7. A seat back connection assembly according to claim 2, wherein, The first connecting piece (2) comprises a penetrating part, the penetrating part is provided with a second clamping groove, and the first clamping groove is provided with a clamping point; After the penetrating part is inserted into the first clamping groove, the second clamping groove is matched and clamped with the clamping point.

8. A seat back connection assembly according to claim 1, wherein, The preparation material of the first connecting piece (2) and the second connecting piece (3) is polypropylene material.

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