CN217804445U

CN217804445U - Folding and locking mechanism for automobile cushion

Info

Publication number: CN217804445U
Application number: CN202221786720.1U
Authority: CN
Inventors: 游双全; 杨和平; 张启伦; 郑洪�; 章晋源
Original assignee: Chongqing Shuangma Technology Co ltd
Current assignee: Chongqing Shuangma Technology Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-15
Anticipated expiration: 2032-07-12

Abstract

The utility model provides a car cushion folds up locking mechanical system, including setting up the operation portion on the cushion skeleton, the cable is connected to the operation portion, and the cushion skeleton rotates to be connected on the base, is connected with elasticity bolt subassembly at the cable end portion of keeping away from the operation portion, is located the base and is provided with a plurality of card holes near the position of elasticity bolt subassembly, and the bayonet lock of elasticity bolt subassembly can stretch into in the card hole, and the pulling cable can drive the bayonet lock and break away from the card hole; when the cushion framework is in a normal state, the clamping pins extend into the clamping holes I at the top, and when the cushion framework is turned upwards to a limit state, the clamping pins extend into the clamping holes II at the bottom. In the using process, the front end of the bayonet lock cannot be contacted with the cladding sleeve, and the whole elastic plug pin assembly cannot interfere with the cladding sleeve; the utility model discloses a car cushion folds up locking mechanism has advantage with low costs, need not to set up the hole on the automobile body during installation, and the installation procedure is simpler, has convenient operation, simple, nimble advantage.

Description

Folding locking mechanism for automobile cushion

Technical Field

The utility model relates to a car seat especially relates to car cushion locking mechanism that folds up.

Background

The seat cushion folding mechanism of the existing automobile seat is mostly provided with a locking mechanism of which the front end is connected with an automobile body, the locking mechanism after being folded is generally of a lock body structure, or is directly hung on a backrest headrest rod by adopting a pull belt hook, and the defects that the structure is complex, the manufacturing cost is high (particularly, the price of a lock installed on the automobile body is high, and an independent automatic installation facility needs to be configured or a specially-assigned person needs to be arranged for installation on the automobile body) and the like exist. If the pull belt is directly hung on the back headrest rod, the structure of the hook and the headrest rod is easy to shake on a bumpy road, and the defects of abnormal sound and the like are also existed.

In addition, document CN102275529B discloses a folding mechanism for a backrest of an automobile seat, which comprises a connecting plate fixed on a cushion frame, wherein the cushion frame is in running fit with the connecting plate through a lock plate, the connecting plate is provided with a limit pin for limiting backward turning of the backrest, a locking assembly is used for locking the lock plate when the seat is in normal use or unlocking the lock plate when the backrest needs to be laid down, one end of the locking pin of the locking assembly, which extends into a clamping groove of the lock plate, is cylindrical, and the end face of the locking pin extends out of the side face of the lock plate. Since the spring of the mechanism is located outside the connecting plate, the covering sleeve around the spring is easy to interfere with the spring (the covering sleeve is easy to clamp when the spring expands and contracts).

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car cushion folds up locking mechanical system, this kind of structure is with low costs not only, can not take place to interfere with the cladding cover in the use moreover.

In order to realize the foregoing objective, the utility model provides a locking mechanism is folded up to car cushion, including setting up the operating portion on the cushion skeleton, the cable is connected to the operating portion, and the cushion skeleton rotates to be connected on the base, and the back skeleton is connected on the base, its characterized in that: the end part of the inhaul cable far away from the operating part is connected with an elastic bolt component, a plurality of clamping holes are formed in the part, close to the elastic bolt component, on the base, clamping pins of the elastic bolt component can extend into the clamping holes, and the clamping pins can be driven to be separated from the clamping holes by pulling the inhaul cable; when the cushion skeleton is in normal state, the bayonet lock stretches into the card hole I of top, and when the cushion skeleton upturns to the limit state, the bayonet lock stretches into the card hole II of bottom.

Preferably, the elastic bolt assembly comprises a baffle plate, a through hole is formed in the baffle plate, the bayonet passes through the through hole, a spring is arranged on one side of the through hole, and the spring abuts against a limiting table of the bayonet; in the process of pulling the inhaul cable, the spring is pressed and stores energy; after the pull rope is loosened, the bayonet lock is driven to reset by the elastic force of the spring.

In order to improve the flexibility in the operation process, the clamping pin adopts a cylindrical body.

Preferably, the baffle is fixedly connected with the cushion framework and sleeved on a rotating shaft of the cushion framework.

Preferably, a movable piece is arranged on the clamping pin and close to the cable side, and the movable piece abuts against the top wall of the baffle plate.

Preferably, the spring is a hook spring, the upper part of the hook spring is clamped on the clamping pin, and the lower part of the hook spring is limited on the baffle.

Preferably, the clamping hole is composed of a first clamping hole and a second clamping hole, the first clamping hole is located obliquely above the rotation axis of the cushion framework, and the second clamping hole is located obliquely below the rotation axis of the cushion framework.

For convenient operation, the operating part is arranged on the side edge of the cushion framework.

Has the advantages that: in the utility model, under the non-operation state, when the bayonet lock of the elastic bolt component extends into the clamping hole, the cushion framework can not rotate, when the operation part makes the bayonet lock of the elastic bolt component break away from the clamping hole, the cushion framework is in the non-locking state, and at the moment, the cushion framework can rotate; due to the adoption of the structure and the mode that the bayonet lock of the elastic bolt component is inserted into the clamping hole, the front end of the bayonet lock can not be contacted with the cladding sleeve in the using process, and the whole elastic bolt component can not interfere with the cladding sleeve; the utility model has the advantages of low cost, no need of opening holes on the automobile body during installation, and simpler installation process; the utility model discloses a car cushion folds up locking mechanism has convenient operation, simple, nimble advantage.

Drawings

Fig. 1 is a first schematic view (normal state) of a folding and locking mechanism of a seat cushion of an automobile in an embodiment;

FIG. 2 is a second schematic view of a folding and locking mechanism of a vehicle seat cushion according to an embodiment;

fig. 3 is a schematic structural view of a portion of the folding locking mechanism of the automobile seat cushion where the elastic bolt assembly is located in the embodiment;

fig. 4 is a schematic view of a folding and locking mechanism of the seat cushion of the automobile in the embodiment (in a folded state).

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Examples

As shown in fig. 1 to 3, the automobile seat cushion folding and locking mechanism comprises an operating part arranged on a seat cushion framework 1, the operating part is connected with a guy cable 2, the seat cushion framework 1 is rotatably connected on a base 3, a backrest framework 9 is connected on the base 3, the end part of the guy cable 2 far away from the operating part is connected with an elastic bolt component 4, a plurality of clamping holes 5 are formed in the part, close to the elastic bolt component 4, on the base 3, clamping pins 6 of the elastic bolt component 4 can extend into the clamping holes 5, and the clamping pins 6 can be driven to be separated from the clamping holes 5 by pulling the guy cable 2; when the seat cushion framework 1 is in a normal state, the bayonet pin 6 extends into the first clamping hole 51 at the top, and when the seat cushion framework 1 is turned upwards to a limit state, the bayonet pin 6 extends into the second clamping hole 52 at the bottom.

The elastic bolt assembly 4 comprises a baffle plate 41, a through hole 42 is formed in the baffle plate 41, the bayonet 6 penetrates through the through hole 42, a spring 43 is arranged on one side of the through hole 42, and the spring 43 abuts against a limiting table of the bayonet 6; in the process of pulling the inhaul cable 2, the spring 43 is pressed and stores energy; after the cable 2 is released, the latch 6 is restored by the elastic force of the spring 43.

Wherein, the bayonet 6 adopts a cylindrical body; the baffle plate 41 is fixedly connected with the cushion framework 1 and sleeved on the rotating shaft 7 of the cushion framework 1; and a movable piece 8 is arranged on the bayonet 6 and close to the inhaul cable 2 side, and the movable piece 8 is attached to the top wall of the baffle plate 41.

Wherein, the spring 43 is a hook spring, the upper part of which is clamped and hung on the bayonet 6, and the lower part of which is limited on the baffle 41; the clamp hole 5 is composed of a first clamp hole 51 and a second clamp hole 52, the first clamp hole 51 is positioned above the rotation axis of the seat cushion frame 1 in an inclined manner, and the second clamp hole 52 is positioned below the rotation axis of the seat cushion frame 1 in an inclined manner.

Wherein, the operation part is arranged on the side edge of the seat cushion framework 1.

When the seat cushion is used, in a non-operation state (a normal riding state), the bayonet pin 7 of the elastic bolt component 4 extends into the first bayonet hole 51, and at the moment, the seat cushion framework cannot rotate; when the rider operates the pull ring 10 of the operating part, the guy cable 2 drives the bayonet pin 7 to be separated from the first clamping hole 51, and at the moment, the spring 43 is pressed and stores energy; then, the seat cushion frame 1 is turned upwards to a proper position, the pull ring 10 is released, at this time, the bayonet lock 6 is driven to reset by the aid of the elastic force of the spring 43 and is inserted into the second bayonet hole 52, and at this time, the seat cushion frame 1 is turned over and locked.

In a non-operation state, when the bayonet lock of the elastic bolt component extends into the clamping hole, the cushion framework is in a locking state, the cushion framework cannot rotate at the moment, and when the operation part is operated, the bayonet lock of the elastic bolt component is separated from the clamping hole, the cushion framework is in a non-locking state, and the cushion framework can rotate at the moment; due to the adoption of the structure and the mode that the bayonet lock of the elastic bolt component is inserted into the clamping hole, the bayonet lock can enter and exit the clamping hole in the using process, but the front end of the bayonet lock cannot be contacted with the cladding sleeve, and the whole elastic bolt component cannot interfere with the cladding sleeve; the utility model discloses a car cushion folds up locking mechanism has the advantage of low cost, compares the mode of installing the lock body structure on the automobile body, and material and manufacturing cost can reduce 60% at least, need not to set up the hole on the automobile body during the installation, and the installation procedure is simpler; the utility model discloses a car cushion folds up locking mechanical system has convenient operation, simple, nimble advantage.

Claims

1. Automobile cushion folds up locking mechanism, including setting up the operating portion on cushion skeleton (1), cable (2) are connected to the operating portion, and cushion skeleton (1) rotates to be connected on base (3), and back skeleton (9) are connected on base (3), its characterized in that: an elastic bolt assembly (4) is connected to the end part of the inhaul cable (2) far away from the operation part, a plurality of clamping holes (5) are formed in the position, close to the elastic bolt assembly (4), on the base (3), clamping pins (6) of the elastic bolt assembly (4) can extend into the clamping holes (5), and the clamping pins (6) can be driven to be separated from the clamping holes (5) by pulling the inhaul cable (2); when the cushion framework (1) is in a normal state, the bayonet lock (6) extends into the first clamping hole (51) at the top, and when the cushion framework (1) is turned upwards to a limit state, the bayonet lock (6) extends into the second clamping hole (52) at the bottom.

2. The folding and locking mechanism for a car seat cushion according to claim 1, wherein: the elastic bolt assembly (4) comprises a baffle (41), a through hole (42) is formed in the baffle (41), the bayonet lock (6) penetrates through the through hole (42), a spring (43) is arranged on one side of the through hole (42), and the spring (43) abuts against a limiting table of the bayonet lock (6); in the process of pulling the inhaul cable (2), the spring (43) is pressed and stores energy; after the inhaul cable (2) is loosened, the bayonet lock (6) is driven to reset by the aid of the elastic force of the spring (43).

3. The folding and locking mechanism for a car seat cushion according to claim 2, wherein: the bayonet lock (6) is a cylindrical body.

4. The folding and locking mechanism for a car seat cushion according to claim 3, wherein: baffle (41) fixed connection cushion skeleton (1) to the cover is established on pivot (7) of cushion skeleton (1).

5. The folding and locking mechanism for a car seat cushion according to claim 4, wherein: and a movable piece (8) is arranged on the bayonet pin (6) and close to the side of the inhaul cable (2), and the movable piece (8) is attached to the top wall of the baffle plate (41).

6. The folding locking mechanism for a car seat cushion according to claim 5, wherein: the spring (43) is a hook-shaped spring, the upper part of the spring is clamped and hung on the clamping pin (6), and the lower part of the spring is limited on the baffle plate (41).

7. The folding locking mechanism for automobile seat cushion according to any one of claims 1 to 6, characterized in that: the clamping hole (5) is composed of a first clamping hole (51) and a second clamping hole (52), the first clamping hole (51) is located above the rotation axis of the seat cushion framework (1) in an inclined mode, and the second clamping hole (52) is located below the rotation axis of the seat cushion framework (1) in an inclined mode.

8. The folding locking mechanism for a car seat cushion according to claim 7, wherein: the operation part is arranged on the side edge of the seat cushion framework (1).