CN213534510U

CN213534510U - Lightweight back row seat back

Info

Publication number: CN213534510U
Application number: CN202022653456.1U
Authority: CN
Inventors: 黄道祝
Original assignee: Zhejiang Jujin Automobile & Motor Cycle Accessories Co ltd
Current assignee: Jujin Automotive Parts Group Co.,Ltd.
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-06-25
Anticipated expiration: 2030-11-16

Abstract

The utility model provides a lightweight back row seat back belongs to car technical field. It has solved the current not high, the heavier problem of weight of back row seat's structure. This back row of light-weighted backrest includes a plurality of side's pipes, and it is last body, lower body, left body and right body respectively, and the top end of left body, right body respectively with last body be close to the lateral wall welded fastening at both ends, the both ends of lower body are respectively in the lower extreme lateral wall welded fastening of left body, right body to the formation is the skeleton of frame form, and the inside a plurality of reinforcements that set up in the skeleton on the right side, it is reinforcing bar one, reinforcing bar two, reinforcing bar three and reinforcing bar four respectively. This back row seat back structural strength is higher and more lightweight after the lightweight.

Description

Lightweight back row seat back

Technical Field

The utility model belongs to the technical field of the car, a lightweight back row backrest is related to.

Background

The automobile is one of the more common vehicles in the life today, generally comprises engine, chassis, automobile body and electrical equipment four basic units, has the advantage of making things convenient for people to go on a journey, in addition, for guaranteeing car driver's driving and the comfortable of taking, generally can install a plurality of seat in the automobile body for driver's driving or passenger take.

The inside seat that sets up of car can be divided into front seat and back row seat, the front cockpit of car is owing to need set up the center console, so the seat of main driving and copilot needs single separately to set up, and can not set up the check in the middle of the back cockpit of car, and back row seat generally all is a plurality of installing side by side, with this assurance can bear a plurality of passengers, in order to guarantee the structural strength of back row seat, two adjacent seat frameworks all connect through bolt or round pin axle, guarantee stable in structure.

However, the framework of the existing automobile back-row seat is generally formed by bending a round pipe for multiple times, connecting the round pipe end to end and welding and fixing the round pipe, the contact area of the outer surface of the framework is small when the framework is welded and fixed, failure is easy to occur in the subsequent use process, the back-row seat is not firm, and passengers can shake when taking the seat.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a lightweight back row backrest, the utility model aims to solve the technical problem that: how to make the rear seat have good structural strength and realize lightweight at the same time.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a lightweight back row seat back, is including the skeleton that is the frame form, its characterized in that, the skeleton comprises a plurality of square pipes, and every square pipe is the cavity form and all links firmly mutually with adjacent square pipe, just skeleton inside has set firmly a plurality of reinforcements that can strengthen the skeleton texture.

This back row seat back includes the skeleton, the skeleton comprises a plurality of root side pipes, the inside of every side pipe all is the cavity form, can effectually lighten the weight of skeleton, realize the lightweight of seat skeleton, link together through the mode that links firmly between the double-phase adjacent side pipe, form a skeleton that is the frame form through each side pipe fixed connection, every side pipe lateral wall surface all is planar, can guarantee that two adjacent side pipes its area of contact increase when linking firmly, guarantee that the frame after the connection shaping has higher structural strength, and side pipe links firmly behind the formation skeleton, the inside of skeleton has still set firmly a plurality of reinforcements, the reinforcement can be effectual the structure of guaranteeing the skeleton more stable.

At foretell lightweight back row backrest, square pipe has four and is last body, lower body, left body and right body respectively, the both ends lateral wall of going up the body links firmly with the top of left body, right body respectively mutually, the both ends of body link firmly with the bottom lateral wall of left body, right body respectively mutually down.

The square tube forming the frame-shaped framework is provided with four square tubes which are respectively an upper tube body, a lower tube body, a left tube body and a right tube body, the outer side wall of the upper tube body close to one end is fixedly connected with the top end of the left tube body, the outer side wall of the upper tube body is planar and can be in larger contact area with the top end of the left tube body to ensure that the connection is firmer, the outer side wall of the upper tube body close to the other end is fixedly connected with the top end of the right tube body, the outer side wall of the upper tube body is planar and can be in larger contact area with the top end of the right tube body to ensure that the connection is firmer, two ends of the lower tube, because the outer side walls of the left tube body and the right tube body are in a plane shape, the contact area between the two ends of the lower tube body and the outer side wall of the left tube body or the outer side wall of the right tube body is ensured to be larger, the connection is ensured to be more stable, and the square tube is hollow, so that the light weight of the seat back framework formed by connecting the tube bodies can be ensured to the maximum extent.

At foretell lightweight back row backrest, the mounting panel has set firmly on the lateral wall that the upper tube body is close to the middle part, be equipped with fixed pipe on the lateral wall that the lower tube body is close to the middle part, fixed pipe one end links firmly mutually with the lateral wall of lower tube body, and the other end links firmly mutually with the mounting panel.

The mounting panel carries out fixed connection with the lateral wall that the upper tube body is close to the middle part, and some parts that the seat can be guaranteed to the mounting panel can be installed, and fixed pipe one end fixed connection is on the lateral wall at body middle part down, and the other end links firmly mutually with the mounting panel, guarantees on the one hand that the fixed plate installation is more firm, and secondly, the mounting panel can become the inside partition of skeleton two parts about, guarantees that the inside structure of skeleton can be more stable, can not take place deformation easily in the use.

At foretell lightweight back row backrest, the reinforcement includes a plurality of reinforcing bars one, a plurality of reinforcing bars two, a plurality of reinforcing bars three and a plurality of reinforcing bars four, a reinforcing bar one end links firmly with left body lateral wall, and the other end links firmly with the mounting panel, two one ends of reinforcing bar link firmly with the mounting panel, and the other end links firmly with right body lateral wall.

A reinforcement for strengthening car back-row seat skeleton internal structure intensity includes a plurality of reinforcing bars one, a plurality of reinforcing bars two, a plurality of reinforcing bars three and a plurality of reinforcing bars four, the one end of reinforcing bar one links firmly mutually with the outside wall of left body, the other end links firmly mutually with the mounting panel, the structural strength between left body and the mounting panel has been strengthened, the one end of reinforcing bar two links firmly mutually with the mounting panel, the other end links firmly mutually with right body, the structural strength between mounting panel and the right body has been strengthened, and reinforcing bar one and reinforcing bar two self light in weight, self just has higher hardness, also can guarantee the lightweight of seat.

At foretell lightweight back row backrest, three one ends of reinforcing bar link firmly with left body lateral wall, and the other end links firmly with right body lateral wall, four one ends of reinforcing bar link firmly with left body lateral wall, and the other end links firmly with fixed tub lateral wall.

The one end of reinforcing bar three links firmly mutually with the lateral wall of left body, and the other end links firmly mutually with the outside wall of right body, has strengthened the structural strength between left body and the right body, and four one ends of reinforcing bar link firmly mutually with left body outside wall, and the other end links firmly mutually with fixed tub outside wall, has strengthened the structural strength between left body and the fixed pipe, and reinforcing bar three and reinforcing bar four self light in weight, and self just has higher hardness, also can guarantee the lightweight of seat skeleton.

At foretell lightweight back row backrest, the fixed plate has set firmly in left side body, right body and fixed pipe and the lower body department of linking firmly, the fixed plate is L type and both sides bending type and forms the turn-ups.

The left pipe body, the right pipe body and the fixed pipe are fixedly connected with the lower pipe body, a right fixed plate is arranged at the fixed connection position of the left pipe body, the right pipe body and the fixed pipe and the lower pipe body, the two sides of the fixed plate are turned over to form turned edges, and the turned edges are attached to the outer walls of the left pipe body, the right pipe body, the fixed pipe and the lower pipe body and fixedly connected with the outer walls of the left pipe body, the right pipe body and the lower pipe body.

Compared with the prior art, the rear row seat backrest has the following advantages:

the utility model provides a, this lightweight back-row seat back includes a plurality of square pipes, and be the top tube body respectively, the lower tube body, left side body and right side body, four square pipes link firmly each other and form the skeleton that is the frame form, because the lateral wall surface of every square pipe is planar, so increased the area of contact of double-phase adjacent side pipe, guarantee the stability of connecting, every square intraduct all is the cavity form, the weight that has alleviateed seat back of very big limit, realize the seat back lightweight, and set up a plurality of reinforcements in the skeleton, can enough guarantee seat back's firm degree, also can realize seat back's lightweight.

The mounting plate is fixedly arranged on the side wall of the upper pipe body, other parts can be mounted on the mounting plate, for example, the safety belt assembly is arranged on the outer side wall of the lower pipe body close to the middle part, one end of the fixing pipe is fixedly connected with the mounting plate, the other end of the fixing pipe is fixedly connected with the lower pipe body, the connecting strength of the mounting plate can be guaranteed by the fixing pipe, the fixing pipe can be matched with the mounting plate to separate the frame into two parts, and the structure of the seat backrest is guaranteed to be.

The reinforcing piece comprises a first reinforcing steel bar, a second reinforcing steel bar, a third reinforcing steel bar and a fourth reinforcing steel bar, one end of the first reinforcing steel bar is fixedly connected with the left pipe body side wall, the other end of the first reinforcing steel bar is fixedly connected with the mounting plate, the structural strength between the left pipe body and the mounting plate is enhanced, one end of the second reinforcing steel bar is fixedly connected with the mounting plate, the other end of the second reinforcing steel bar is fixedly connected with the right pipe body side wall, the structural strength between the left pipe body and the right pipe body is enhanced, the other end of the second reinforcing steel bar is fixedly connected with the right pipe body side wall, the structural strength between the left pipe body and the fixed pipe is enhanced.

Fourthly, left side body, right side body and fixed pipe are provided with the fixed plate with lower body gu li an car, and the fixed plate both sides form the turn-ups and with each pipe laminating to increased the joint strength between each pipe through the welded mode, guaranteed that backrest's structural strength is higher.

Drawings

Fig. 1 is a first structural schematic diagram of the lightweight rear seat back.

Fig. 2 is a second structural schematic view of the lightweight rear seat back.

Fig. 3 is a mechanism schematic view of the fixing plate in the lightweight rear seat back of the present invention.

In the figure, 1, a skeleton; 2. a square tube; 3. a reinforcement; 3a, reinforcing steel bar I; 3b, reinforcing steel bars II; 3c, reinforcing steel bars III; 3d, reinforcing steel bars IV; 4. a pipe body is arranged; 4a, mounting plates; 5. a lower pipe body; 5a, fixing the tube; 6. a left tubular body; 7. a right tube body; 8. a fixing plate; 8a and flanging.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-2, the lightweight back row seat back comprises four square tubes 2, specifically, an upper tube 4, a lower tube 5, a left tube 6 and a right tube 7, wherein the cross sections of the four square tubes 2 are square, the top end of the left tube 6 is welded to the outer sidewall of the upper tube 4 near one end, the top end of the right tube 7 is welded to the outer sidewall of the upper tube 4 near the other end, the one end of the lower tube 5 is welded to the outer sidewall of the left tube 6 near the lower end, the other end of the lower tube 5 is welded to the outer sidewall of the right tube 7 near the lower end, because the outer sidewalls and the ends of the square tubes 2 are flat, the contact area during welding can be increased, it is ensured that after the welding is completed, the frame-shaped framework 1 formed by welding has certain strength, and the interiors of the square tubes 2 are both hollow, the frame-shaped framework 1 formed by welding can be ensured to be lighter.

As shown in fig. 1-2, install mounting panel 4a on the lateral wall that upper tube body 4 is close to the middle part, can install the safety belt subassembly on mounting panel 4 a's the face, be equipped with fixed pipe 5a on the lateral wall that lower tube body 5 is close to the middle part, mounting panel 4a one end and upper tube body 4 lateral wall welded fastening, the other end and fixed pipe 5a welded fastening, fixed pipe 5a is vertical to be set up, and fixed pipe 5a other end welded fastening is on the lateral wall of lower tube body 5, fixed pipe 5a can be with the inside partition of skeleton 1 with mounting panel 4a mutually supports and be two parts about, guarantee that skeleton 1's structural strength is higher.

As shown in fig. 1-2, a plurality of reinforcements 3 are disposed inside a framework 1 formed by welding and fixing each tube 2, the reinforcements 3 are respectively a first two-bar reinforcement 3a, a second two-bar reinforcement 3b, a third two-bar reinforcement 3c and a fourth one-bar reinforcement 3d, one end of the first one-bar reinforcement 3a is welded and fixed with the outer side wall of the left tube 6, the other end thereof is horizontally extended to the mounting plate 4a and welded and fixed with the mounting plate 4a, one end of the second one-bar reinforcement 3b is welded and fixed with the mounting plate 4a, the other end thereof is horizontally extended to the right tube 7 and welded and fixed with the outer side wall of the right tube 7, one end of the fourth one-bar reinforcement 3d is welded and fixed with the outer side wall of the left tube 6, the other end thereof is horizontally extended to the fixing tube 5a and welded and fixed with the outer side wall of the fixing tube 5a, the inside structural strength of skeleton 1 has been strengthened to reinforcing bar 3a, two 3b of reinforcing bar, three 3c of reinforcing bar and four 3d of reinforcing bar, and reinforcing bar 3a, two 3b of reinforcing bar, three 3c of reinforcing bar and four 3d of reinforcing bar have higher hardness, compare in monoblock sheet metal structure weight lighter, guarantee skeleton 1 lightweight more.

As shown in fig. 1-3, the welding position of the left tube 6 and the lower tube 5, the welding position of the fixed tube 5a and the lower tube 5, and the welding position of the right tube 7 and the lower tube 5 are all provided with a fixed plate 8, the fixed plate 8 is L-shaped, two sides of the fixed plate 8 are folded to form flanges 8a, the fixed plate 8 at the welding position of the left tube 6 and the lower tube 5 is covered at the welding position of the left tube 6 and the lower tube 5 through the flanges 8a, and the fixed plate 8 is welded and fixed at the welding position of the left tube 6 and the lower tube 5 through welding, so as to ensure that the connection strength of the welding position of the left tube 6 and the lower tube 5 is higher, the fixed plate 8 at the welding position of the fixed tube 5a and the lower tube 5 is covered at the welding position of the fixed tube 5a and the lower tube 5 through the flanges 8a, and the fixed plate 8 is welded and fixed at the welding position of the fixed tube 5, guarantee that the joint strength of the welded junction of fixed pipe 5a and lower body 5 is higher, the fixed plate 8 of the welded junction of right side body 7 and lower body 5 covers the welded junction of right side body 7 and lower body 5 through turn-ups 8a to through the welded mode with fixed plate 8 welded fastening in the welded junction of right side body 7 and lower body 5, guarantee that the joint strength of the welded junction of right side body 7 and lower body 5 is higher.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the frame 1, the square pipe 2, the reinforcement 3, the first reinforcement 3a, the second reinforcement 3b, the third reinforcement 3c, the fourth reinforcement 3d, the upper pipe 4, the mounting plate 4a, the lower pipe 5, the fixing pipe 5a, the left pipe 6, the right pipe 7, the fixing plate 8, the flange 8a, etc., are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a lightweight back row seat back, is including skeleton (1) that is the frame form, its characterized in that, skeleton (1) comprises a plurality of square pipes (2), and every square pipe (2) are the cavity form and all link firmly mutually with adjacent square pipe (2), just skeleton (1) inside has set firmly reinforcement (3) that a plurality of can strengthen skeleton (1) structure.

2. The lightweight rear seat back according to claim 1, wherein the square tube (2) has four and is an upper tube body (4), a lower tube body (5), a left tube body (6) and a right tube body (7), the outer side walls of the two ends of the upper tube body (4) are fixedly connected with the top ends of the left tube body (6) and the right tube body (7), respectively, and the two ends of the lower tube body (5) are fixedly connected with the outer side walls of the bottom ends of the left tube body (6) and the right tube body (7), respectively.

3. The lightweight rear seat back according to claim 2, wherein a mounting plate (4a) is fixedly arranged on the outer side wall of the upper tube body (4) close to the middle part, a fixing tube (5a) is arranged on the outer side wall of the lower tube body (5) close to the middle part, one end of the fixing tube (5a) is fixedly connected with the outer side wall of the lower tube body (5), and the other end of the fixing tube is fixedly connected with the mounting plate (4 a).

4. The lightweight rear seat back according to claim 3, wherein the reinforcement (3) comprises a first plurality of first reinforcements (3a), a second plurality of second reinforcements (3b), a third plurality of reinforcements (3c), and a fourth plurality of reinforcements (3d), one end of the first plurality of reinforcements (3a) is fixedly connected with the outer side wall of the left tube body (6), the other end of the first plurality of reinforcements is fixedly connected with the mounting plate (4a), one end of the second plurality of reinforcements (3b) is fixedly connected with the mounting plate (4a), and the other end of the second plurality of reinforcements is fixedly connected with the outer side wall of the right tube body (7).

5. The lightweight rear seat back according to claim 4, wherein the third reinforcement (3c) is fixedly connected to the outer side wall of the left tube (6) at one end and the right tube (7) at the other end, and the fourth reinforcement (3d) is fixedly connected to the outer side wall of the left tube (6) at one end and the fixed tube (5a) at the other end.

6. The lightweight rear seat back according to claim 3, wherein a fixing plate (8) is fixedly arranged at the fixed connection position of the left tube body (6), the right tube body (7) and the fixing tube (5a) and the lower tube body (5), and the fixing plate (8) is L-shaped and is bent at two sides to form flanges (8 a).