CN216733978U

CN216733978U - Unlocking device for rear row seat backrest of automobile

Info

Publication number: CN216733978U
Application number: CN202122884903.9U
Authority: CN
Inventors: 张新林; 田建明; 郭文庚; 罗金; 谌浩安
Original assignee: GAC Component Co Ltd
Current assignee: GAC Component Co Ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-06-14
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses an unlocking device for a back row seat backrest of an automobile, which comprises a backrest framework subassembly, a torsion bar, an outer side unlocking cable, an inner side unlocking cable and an unlocking handle, wherein two side edges of the backrest framework subassembly are respectively provided with an inner side angle adjuster bracket assembly and an outer side angle adjuster bracket assembly; the pressure spring of outside unblock cable one end is connected with outside unblock support, and the pressure spring of the other end links to each other with the unblock handle. The problems of large impact load, complex structure, high cost and the like of the conventional automobile rear seat backrest are solved.

Description

Unlocking device for rear row seat backrest of automobile

Technical Field

The utility model relates to the technical field of automobile seat accessories, in particular to an adjusting device for a back row seat backrest of an automobile.

Background

Early automotive rear seat backs were mostly unadjustable. Along with the diversification of the requirements of consumers on riding comfort and operation experience, the back row backrest gradually realizes the functions of angle adjustment, turnover storage and the like, and is widely applied to various types of automobiles at present due to high convenience and large space utilization rate.

At present, most of automobile rear seat backrest adjustment in the market relies on a volute spring for unlocking adjustment, but the adjusting speed is too high, the adjusting torque is too large, accidental injury is easy to occur, part of the unlocking torque is large, and the unlocking efficiency is influenced; some automobile back row seat backs have the structure that adjusting torque is less, and the unlocking force is less, but its structure is complicated, part quantity is many, with high costs, is difficult to use widely.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide the unlocking device for the automobile rear seat backrest, which has the advantages of simple structure, low cost, light and convenient operation, and can adjust the speed at a low speed and reduce the impact load, and solves the problems of large impact load, complex structure of an adjusting mechanism, large number of parts, high cost and the like of the conventional automobile rear seat backrest.

The purpose of the utility model is realized by adopting the following technical scheme:

an unlocking device for a back row seat backrest of an automobile is characterized by comprising a backrest framework sub-assembly, a torsion bar, an outer side unlocking cable, an inner side unlocking cable and an unlocking handle, wherein an inner side angle adjuster bracket assembly and an outer side angle adjuster bracket assembly are respectively arranged on two side edges of the backrest framework sub-assembly, one end of the torsion bar is fixed on the backrest framework sub-assembly, the other end of the torsion bar is fixed on the inner side angle adjuster bracket assembly, an inner side unlocking bracket for driving an inner side angle adjuster to unlock is arranged on the inner side angle adjuster bracket assembly, an outer side unlocking bracket for driving an outer side angle adjuster to unlock is arranged on the outer side angle adjuster bracket assembly, a pressure spring at one end of the inner side unlocking cable is connected with the inner side unlocking bracket, and a pressure spring at the other end of the inner side unlocking cable is connected with the unlocking handle; the pressure spring of outside unblock cable one end with outside unblock support connection, the pressure spring of the other end with the unblock handle links to each other, the unblock handle is used for driving inboard angle modulation ware and outside angle modulation ware unblock in step.

Furthermore, one end of the torsion bar is provided with a bent part, and the bent part of the torsion bar is fixed on the backrest framework subassembly.

Furthermore, a fixed support on the torsion bar is welded on the backrest framework subassembly, and the bent part of the torsion bar is connected with the fixed support on the torsion bar through a bolt.

Furthermore, a lower torsion bar fixing support is welded on the inner side angle adjuster support assembly, and the other end of the torsion bar is connected with the lower torsion bar fixing support through a bolt.

Further, inboard unblock support and outside unblock support are equipped with inboard joint hole site and outside joint hole site respectively, the pressure spring of inboard unblock cable one end with inboard joint hole site links to each other, the pressure spring of outside unblock cable one end with outside joint hole site links to each other.

Furthermore, a transverse pipe is connected between the inner side angle adjuster bracket assembly and the outer side angle adjuster bracket assembly, and a pull wire of the inner side unlocking pull rope is fixed on the transverse pipe through a binding belt.

Furthermore, a clamping point is arranged on the outer side angle adjuster support assembly, and a pull wire of the outer side unlocking pull rope is fixed on the clamping point.

Further, the release handle is connected to the outboard recliner bracket assembly by a rivet connection.

Furthermore, the unlocking handle is connected with the inner side unlocking cable and the outer side unlocking cable through handle clamping hole positions respectively.

Furthermore, the inner side angle adjuster bracket assembly is connected with the backrest framework sub-assembly in a welding mode, the outer side angle adjuster bracket assembly is connected with the backrest framework sub-assembly in a welding mode, and the backrest framework sub-assembly, the inner side angle adjuster bracket assembly and the outer side angle adjuster bracket assembly form a backrest assembly framework.

Compared with the prior art, the utility model has the beneficial effects that:

in the utility model, the unlocking handle is unlocked, the inner side unlocking cable and the outer side unlocking cable are pulled, and the inner side unlocking bracket and the outer side unlocking bracket are driven simultaneously, so that the inner side angle adjuster and the outer side angle adjuster are driven to unlock simultaneously, and simultaneously, the backrest framework is enabled to turn forwards by taking the axis of the angle adjuster as the center under the action of the torsion bar rotation torque, thereby realizing the function of turning the backrest. The seat backrest overturning device has the advantages that overturning moment is provided for the overturning of the seat backrest through the torsion bar, the operation force is reduced, the effect of protecting an operator is achieved, the unlocking handle and the inhaul cable can be used for achieving the effects of convenience and labor saving in operation, overturning safety, high unlocking efficiency and small impact load, the functions of convenience and convenience in overturning and resetting the seat backrest are achieved, the number of parts of the unlocking device is small, the structure is simple, the operation is light, and the assembly is easy.

Drawings

FIG. 1 is a structural diagram illustrating an assembly state of components of an unlocking device for a rear seat back of an automobile in a design state, according to the utility model;

FIG. 2 is a schematic structural diagram of the matching relationship among the parts of the outside unlocking mechanism of the unlocking device for the back of the rear row seat of the automobile provided by the utility model in a side view

FIG. 3 is a schematic structural diagram of the matching relationship among the parts of the inside unlocking mechanism of the unlocking device for the rear seat back of the automobile in a side view;

in the figure: 1. a backrest frame sub-assembly; 2. a bracket is fixed on the torsion bar; 3. a torsion bar; 4. a torsion bar lower fixing bracket; 5. an inside unlocking support; 6. an outside unlocking bracket; 7. unlocking the inhaul cable at the outer side; 8. unlocking the inhaul cable at the inner side; 9. an unlocking handle; 10. an inboard recliner bracket assembly; 11. an outboard recliner bracket assembly; 12. a cross tube.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "one," "another," and the like are used to distinguish similar elements, and these terms and other similar terms are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. Corresponding reference numerals are used throughout the figures to indicate corresponding or corresponding elements (e.g., elements identified as "1 XX" and "2 XX" are structurally identical and functionally similar).

As shown in fig. 1-3, the utility model provides an unlocking device for a back of a rear row seat of an automobile, which comprises a back frame subassembly 1, a torsion bar 3, an outer unlocking cable 7, an inner unlocking cable 8 and an unlocking handle 9, an inner side angle adjuster bracket assembly 10 and an outer side angle adjuster bracket assembly 11 are respectively arranged at two side edges of the backrest framework subassembly 1, one end of the torsion bar 3 is fixed on the backrest frame sub-assembly 1, the other end of the torsion bar 3 is fixed on the inner side angle adjuster bracket assembly 10, the inner side angle adjuster bracket assembly 10 is provided with an inner side unlocking bracket 5 for driving the inner side angle adjuster to unlock, the outer side angle adjuster bracket assembly 11 is provided with an outer side unlocking bracket 6 for driving the outer side angle adjuster to unlock, a pressure spring at one end of the inner side unlocking stay 8 is connected with the inner side unlocking support 5, and a pressure spring at the other end of the inner side unlocking stay is connected with the unlocking handle 9; the pressure spring of one end of the outer unlocking inhaul cable 7 is connected with the outer unlocking support 6, the pressure spring of the other end of the outer unlocking inhaul cable is connected with the unlocking handle 9, and the unlocking handle 9 is used for driving the inner angle adjuster and the outer angle adjuster to be unlocked synchronously.

In the present invention, as shown in fig. 1, the torsion bar 3 is in a pre-tensioned state, the inner recliner bracket assembly 10 and the outer recliner bracket assembly 11 are in a locked state, and once the unlocking handle 9 is unlocked, the seat back starts to turn under the action of the turning moment of the torsion bar 3. The working principle of the unlocking device is as follows: as shown in fig. 2 and 3, when the unlocking handle 9 is unlocked, the inner unlocking cable 8 and the outer unlocking cable 7 are pulled, and the inner unlocking bracket 5 and the outer unlocking bracket 6 are simultaneously driven, so that the inner angle adjuster and the outer angle adjuster are simultaneously driven to unlock, and simultaneously, the backrest framework is enabled to turn forwards by taking the axis of the angle adjuster as the center under the action of the rotation torque of the torsion bar 3, so that the function of turning the backrest is realized. The seat backrest overturning device has the advantages that overturning moment is provided for the overturning of the seat backrest through the torsion bar 3, the operation force is reduced, the effect of protecting an operator is achieved, the unlocking handle 9 and the inhaul cable can be used for achieving the effects of convenience and labor saving in operation, safe overturning, high unlocking efficiency and small impact load, the functions of conveniently overturning and resetting the seat backrest are achieved, the number of parts of the unlocking device is small, the structure is simple, the operation is light, and the assembly is easy.

In a preferred embodiment, one end of the torsion bar 3 has a bent portion, and the bent portion of the torsion bar 3 is fixed to the backrest frame sub-assembly 1. The torsion bar 3 of the embodiment functions to provide a turning moment for the turning of the seat back; through the above arrangement, space can be saved, and when the seat back is assembled, the torsion bar 3 is not required to be in a force storage state, so that the torsion bar can be installed and operated in a free state, the assembly is convenient, and the improvement of the production efficiency is facilitated.

In a preferred embodiment, the backrest frame sub-assembly 1 is welded with the upper torsion bar fixing bracket 2, and the bent portion of the torsion bar 3 is connected with the upper torsion bar fixing bracket 2 through a bolt. The upper fixing support 2 of the torsion bar is used for connecting the torsion bar 3, prevents the torsion bar 3 from falling off, and limits the torsion bar 3.

In a preferred embodiment, a torsion bar lower fixing bracket 4 is welded to the inner recliner bracket assembly 10, and the other end of the torsion bar 3 is connected to the torsion bar lower fixing bracket 4 through a bolt. And the torsion bar 3 is limited.

As the preferred embodiment, inboard unblock support 5 and outside unblock support 6 are equipped with inboard joint hole site and outside joint hole site respectively, the pressure spring of inboard unblock 8 one end with inboard joint hole site links to each other, the pressure spring of 7 one ends of outside unblock cable with outside joint hole site links to each other.

In a preferred embodiment, a cross tube 12 is connected between the inner recliner bracket assembly 10 and the outer recliner bracket assembly 11, and the pull wire of the inner unlocking cable 8 is fixed on the cross tube 12 through a tie. Plays a role in fixing the inside unlocking stay 8.

In a preferred embodiment, the outer recliner bracket assembly 11 is provided with a fastening point, and the pull wire of the outer unlocking cable 7 is fixed on the fastening point. The function of fixing the outside unlocking cable 7 is achieved.

In a preferred embodiment, the unlocking handle 9 is connected to the outboard recliner bracket assembly 11 by riveting. The unlocking handle 9 is arranged on the outer side angle adjuster support assembly 11, the unlocking handle 9 is pulled to drive the inhaul cable to unlock the angle adjuster, a passenger can unlock and level the backrest of the rear row of seats comfortably from the rear of the vehicle, and the operation is convenient and simple.

As a preferred embodiment, the unlocking handle 9 is connected with the inner side unlocking cable 8 and the outer side unlocking cable 7 through handle clamping hole positions respectively. The double-stay wire unlocking handle 9 and the stay wire loop play a role in synchronously unlocking the angle adjuster.

In a preferred embodiment, the inner recliner bracket assembly 10 is connected to the backrest frame subassembly 1 by welding, the outer recliner bracket assembly 11 is connected to the backrest frame subassembly 1 by welding, and the backrest frame subassembly 1, the inner recliner bracket assembly 10 and the outer recliner bracket assembly 11 form a backrest assembly frame for supporting and adjusting a rear seat.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. An unlocking device for a back row seat backrest of an automobile is characterized by comprising a backrest framework sub-assembly (1), a torsion bar (3), an outer side unlocking cable (7), an inner side unlocking cable (8) and an unlocking handle (9), wherein an inner side angle adjuster bracket assembly (10) and an outer side angle adjuster bracket assembly (11) are respectively arranged on two side edges of the backrest framework sub-assembly (1), one end of the torsion bar (3) is fixed on the backrest framework sub-assembly (1), the other end of the torsion bar (3) is fixed on the inner side angle adjuster bracket assembly (10), an inner side unlocking bracket (5) for driving an inner side angle adjuster to be unlocked is arranged on the inner side angle adjuster bracket assembly (10), an outer side unlocking bracket (6) for driving an outer side angle adjuster to be unlocked is arranged on the outer side angle adjuster bracket assembly (11), and a pressure spring at one end of the inner side unlocking cable (8) is connected with the inner side unlocking bracket (5), the pressure spring at the other end is connected with the unlocking handle (9); the pressure spring of one end of the outer unlocking inhaul cable (7) is connected with the outer unlocking support (6), the pressure spring of the other end of the outer unlocking inhaul cable is connected with the unlocking handle (9), and the unlocking handle (9) is used for driving the inner angle adjuster and the outer angle adjuster to be unlocked synchronously.

2. The unlocking device for the rear seat back of an automobile according to claim 1, wherein one end of the torsion bar (3) has a bent portion, and the bent portion of the torsion bar (3) is fixed to the back frame sub-assembly (1).

3. The unlocking device for the rear seat backrest of the automobile as claimed in claim 2, wherein the upper torsion bar fixing bracket (2) is welded to the backrest frame subassembly (1), and the bent portion of the torsion bar (3) is connected to the upper torsion bar fixing bracket (2) through a bolt.

4. The device for unlocking the rear seat back of an automobile according to claim 1, wherein the lower torsion bar fixing bracket (4) is welded to the inner side recliner bracket assembly (10), and the other end of the torsion bar (3) is connected to the lower torsion bar fixing bracket (4) through a bolt.

5. The unlocking device for the seat back of the rear row of the automobile as claimed in claim 1, wherein the inner side unlocking support (5) and the outer side unlocking support (6) are respectively provided with an inner side clamping hole site and an outer side clamping hole site, a pressure spring at one end of the inner side unlocking cable (8) is connected with the inner side clamping hole site, and a pressure spring at one end of the outer side unlocking cable (7) is connected with the outer side clamping hole site.

6. The device for unlocking the rear seat back of an automobile according to claim 1, wherein a cross tube (12) is connected between the inner recliner bracket assembly (10) and the outer recliner bracket assembly (11), and the pull wire of the inner unlocking cable (8) is fixed to the cross tube (12) by a cable tie.

7. The unlocking device for the backrest of the rear seat of the automobile as claimed in claim 1, wherein a clamping point is provided on the outer recliner bracket assembly (11), and the pull wire of the outer unlocking cable (7) is fixed on the clamping point.

8. The vehicle rear seat back unlocking device according to claim 1, wherein the unlocking handle (9) is connected to the outboard recliner bracket assembly (11) by riveting.

9. The unlocking device for the backrest of the rear seat of the automobile as claimed in claim 1, wherein the unlocking handle (9) is connected with the inner side unlocking cable (8) and the outer side unlocking cable (7) through handle clamping hole positions respectively.

10. The unlocking device for the rear seat backrest of an automobile as claimed in claim 1, wherein the inner side recliner bracket assembly (10) is connected with the backrest frame subassembly (1) by welding, the outer side recliner bracket assembly (11) is connected with the backrest frame subassembly (1) by welding, and the backrest frame subassembly (1), the inner side recliner bracket assembly (10) and the outer side recliner bracket assembly (11) form a backrest frame.