Automobile back row seat backrest mounting structure

Abstract

The utility model discloses an automobile back row seat backrest installation structure which comprises a reinforcing piece, the reinforcing piece is fixedly connected to the upper end of a backrest installation support, a through hole is formed in the position, opposite to a connecting hole of the backrest installation support, of the reinforcing piece, and the reinforcing piece and the backrest installation support are connected with the rotating position of a seat backrest through the through hole and the connecting hole. According to the utility model, the thickness of the backrest mounting bracket is reduced while the rigidity and the strength of the rotating position of the seat backrest are ensured, and the flanged hole is formed in the reinforcing piece to replace a welding nut in the prior art, so that the production cost and the welding quality risk are reduced, and the production efficiency is improved. The problem that rotating holes in the left side and the right side of the seat backrest are not coaxial due to the fact that the welding nut position precision is difficult to guarantee is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automobile seat, concretely relates to a backrest mounting structure of automobile rear seat. BACKGROUND

[0002] At present, the seat backrest of automobile rear seat is fastened and connected with the vehicle body through the backrest mounting bracket, and the connection relationship between the seat backrest and the backrest mounting bracket is fixed through the welding nut after the bolt passes through the rotating hole of the seat backrest and the connecting hole of the backrest mounting bracket, but this connection mode has the following problems:

[0003] 1. In order to ensure the rigidity and strength of the rotating position of the seat backrest, the thickness of the backrest mounting bracket needs to be increased, thus increasing the weight of the backrest mounting bracket and improving the production cost.

[0004] 2. The welding nut is fixed, which improves the processing cost and welding quality risk.

[0005] 3. The position accuracy of the welding nut is difficult to guarantee, thus the rotating holes on the left and right sides of the seat backrest have coaxiality deviation, which reduces the use experience of the seat. INVENTION CONTENTS

[0006] The utility model aims at solving the above problems, and provides a backrest mounting structure of automobile rear seat, which reduces the thickness of the backrest mounting bracket under the premise of ensuring the rigidity and strength of the rotating position of the seat backrest, and replaces the welding nut in the prior art by providing a flange hole on the reinforcing part, so as to reduce the production cost and welding quality risk, and avoid the problem of different shafts of the rotating holes on the left and right sides of the seat backrest due to the difficult guarantee of the position accuracy of the welding nut.

[0007] In order to achieve the above purpose, the utility model provides a backrest mounting structure of automobile rear seat, which comprises a reinforcing part, the reinforcing part is fixedly connected to the upper end of the backrest mounting bracket, and the reinforcing part is provided with a through hole at the position of the connecting hole of the backrest mounting bracket, and the reinforcing part and the backrest mounting bracket are connected with the rotating position of the seat backrest through the through hole and the connecting hole.

[0008] As further optimization, the through hole on the reinforcing part is a flange hole, the flange on the flange hole is folded in the direction of the connecting hole, and the flange is provided with internal threads.

[0009] As further optimization, at least one positioning hole is arranged on the reinforcing part.

[0010] Advantages and beneficial effects of the utility model

[0011] 1. The utility model discloses a seat backrest mounting support, which has a reinforcing piece added to the position of the seat backrest relative to the seat backrest rotating position, thereby improving the rigidity and strength of the seat backrest rotating position, and greatly reducing the weight and cost of the seat backrest mounting support.

[0012] 2. The utility model discloses a seat backrest mounting support, which has a reinforcing piece added to the position of the seat backrest relative to the seat backrest rotating position, thereby improving the rigidity and strength of the seat backrest rotating position, and greatly reducing the weight and cost of the seat backrest mounting support.

[0013] 3. The utility model discloses a seat backrest mounting support, which has a reinforcing piece added to the position of the seat backrest relative to the seat backrest rotating position, thereby improving the rigidity and strength of the seat backrest rotating position, and greatly reducing the weight and cost of the seat backrest mounting support. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only embodiments of the utility model, and other drawings can be obtained by the provided drawings without creative labor for the person skilled in the art.

[0015] Figure 1 It is the overall structure schematic diagram of the mounting support assembly and the seat backrest after installation of the utility model.

[0016] Figure 2 It is the structure schematic diagram of the mounting support assembly of the utility model.

[0017] Figure 3 It is the sectional view of A-A in the utility model Figure 2

[0018] Reference signs: reinforcing piece 1, flange hole 11, flange 111, positioning hole 12, seat backrest mounting support 2, connecting hole 21, mounting support assembly 3, seat backrest 4, rotating position 41, bolt 5. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model will be described in detail below with reference to the drawings. It should be noted that in the description of the utility model, the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear" and the like indicate the orientation or positional relationship shown in the drawings, and are only used for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. ​

[0020] As Figure 2-Figure 3 shown, a car rear seat backrest mounting structure, comprising a reinforcing piece 1, the reinforcing piece 1 is fixed above the backrest mounting bracket 2, for improving the rigidity and strength of the rotating position 41 of the seat backrest 4, preventing the backrest mounting bracket 2 from reducing the shake suppression of the seat backrest 4 due to being too thin, the reinforcing piece 1 is processed with a flange hole 11 through the flange tapping process relative to the position of the connecting hole 21 of the backrest mounting bracket 2, the flange 111 on the flange hole 11 is folded in the direction of the connecting hole 21, and the flange 111 is provided with internal threads, for fixing with the bolt after connecting the seat backrest 4 and the mounting bracket assembly 3, two positioning holes 12 are arranged on the lower side of the flange hole 11, the reinforcing piece 1 is welded and positioned with the backrest mounting bracket 2 through the two positioning holes 12, and the reinforcing piece 1 and the backrest mounting bracket 2 form the mounting bracket assembly 3 after welding.

[0021] As Figure 1 shown, when the mounting bracket assembly 3 is connected with the rotating position 41 of the seat backrest 4, the bolt 5 is fixed by being screwed into the flange hole 11 of the mounting bracket assembly 3 through the rotating hole on the seat backrest 4, the bolt is fixed through the flange hole 11, which can avoid the large deviation of the thread positioning caused by the difficulty in ensuring the precision of the welded nut in the prior art, and further cause the problem of the rotating holes on the left and right sides of the seat backrest 4 being out of axis, thereby improving the coaxiality of the rotating holes on the left and right sides of the seat backrest 4, and improving the experience feeling of the seat.

[0022] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present application, and not to limit them; although the embodiments of the present application have been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the embodiments of the present application.

Claims

1. A rear seat backrest mounting structure for a car, characterized by: The invention comprises a reinforcing member (1), wherein the reinforcing member (1) is fixedly connected to the upper end of the backrest mounting bracket (2), and a through hole is provided in the reinforcing member (1) relative to the connection hole (21) of the backrest mounting bracket (2), and the reinforcing member (1) and the backrest mounting bracket (2) are connected to the rotation position (41) of the seat back (4) through the through hole and the connection hole (21).

2. The automobile rear seat backrest mounting structure according to claim 1, characterized in that: The through hole on the reinforcing piece (1) is a flanging hole (11), the flanging edge (111) on the flanging hole (11) is folded toward the connecting hole (21), and the flanging edge (111) is provided with an internal thread.

3. The automobile rear seat backrest mounting structure according to claim 1 or 2, characterized in that: At least one positioning hole (12) is provided on the reinforcing piece (1).

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