CN212500043U

CN212500043U - Automobile PC backrest lock assembly

Info

Publication number: CN212500043U
Application number: CN202021408372.5U
Authority: CN
Inventors: 吴晶华
Original assignee: Shanghai Mingqing Plastic Co ltd
Current assignee: Shanghai Mingqing Plastic Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-02-09
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses an automobile PC backrest lock assembly, belonging to the technical field of automobile seat accessories; the folding seat cushion comprises a seat cushion framework, a backrest framework and a turnover locking mechanism; the cushion framework is hinged with the backrest framework; the utility model can prevent the seat back locking device from moving when in use; in the using process, a rider controls the angle rotation of the backrest framework through the external controller, and through the matched use of the electric push rod and the bridging rod, when the angle of the seat needs to be adjusted each time, the electric push rod is controlled through the external control button or the angle adjuster is controlled to adjust, the arranged second connecting rod can accurately position the backrest, and an operator can adjust the backrest by sitting on the chair, so that the operation is simple and convenient; the arranged angle regulator has simple structure and small occupied space, and is suitable for various chairs with manually regulated chair back angles; the arranged reinforcing ribs enhance the strength and rigidity of the backrest framework, so that the backrest framework is not easy to break or damage.

Description

Automobile PC backrest lock assembly

Technical Field

The utility model relates to the field of machinary, especially, relate to car seat accessory, especially a car PC back lock assembly.

Background

The automobile seat is one of important devices in an automobile body, the main functions of the automobile seat are to provide a driving position which is convenient to operate, comfortable and safe for a driver, a comfortable and safe riding space is provided for passengers, the automobile seat is an important carrier for the comfort and the safety of an automobile, a part of backrests of the automobile seat have a laying function, the space of a trunk can be expanded, and articles in the trunk can be conveniently taken and placed in the driving process. Among the prior art, the vehicle adopts locking structure positioning seat back, and this kind of locking structure all is unilateral locking, including unblock hand buckle, lock body and locking lever. The lock body is respectively connected with the unlocking hand buckle and the lock rod. In the using process, a user pulls the unlocking hand buckle, so that the lock body is disconnected with the lock rod, the unlocking is completed, and the locking strength is low; the rivet is used for limiting, so that the precision is poor; after long-time use, the backrest is easy to move in an open manner due to limited abrasion and incomplete clearance compensation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car PC back lock assembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automobile PC backrest lock assembly comprises a cushion framework, a backrest framework and a turnover locking mechanism; the cushion framework is hinged with the backrest framework;

the turnover locking mechanism comprises a backrest mounting bracket, first connecting rods and a support frame, wherein the support frame is provided with a mounting cavity, the cushion framework is arranged in the mounting cavity, mounting grooves are formed in two sides of the mounting cavity, an electric push rod is arranged in each mounting groove, a cross connecting rod is connected between the two electric push rods in a crossing manner, two ends of the cross connecting rod are respectively fixed on two movable rods of the electric push rods, a spring is compressed between the fixed rod of each electric push rod and the cross connecting rod, the spring is sleeved on the movable rods of the electric push rods, two ends of the cross connecting rod are respectively hinged with one first connecting rod, one end, far away from the cross connecting rod, of each first connecting rod is fixedly connected with the backrest mounting bracket, the backrest mounting bracket is fixedly arranged on the backrest framework, and the backrest mounting bracket is symmetrically provided with two sliding grooves, each sliding groove is internally provided with a sliding block in a sliding manner, each sliding block is hinged with a second connecting rod, and one end of each second connecting rod, which is far away from the backrest mounting bracket, is fixedly connected with the supporting frame; through the cooperation use of electric push rod and span pole, when needing to adjust the seat angle at every turn, only need to control electric push rod or adjust through control angle regulator through external control button, and the electric push rod that sets up can carry out more accurate location to the backrest, and is more laborsaving like this, and the operator sits and can adjust simple operation convenience on the chair.

Further, the cushion framework is connected with the backrest framework through an angle adjuster; the angle regulator has simple structure and small occupied space, and is suitable for various chairs with manually regulated chair back angles.

Further, the cushion framework is provided with a cushion.

A back cushion is arranged on one surface, close to the cushion framework, of the backrest framework, and a reinforcing rib is arranged on one surface, far away from the cushion framework, of the backrest framework; the arranged reinforcing ribs enhance the strength and rigidity of the backrest framework, so that the backrest framework is not easy to break or damage.

Furthermore, two fixed blocks are symmetrically supported at the bottom of the support frame.

Furthermore, the spring is made of a tension spring.

The utility model provides a pair of car PC back lock assembly compares with prior art and still has following advantage: the utility model can prevent the seat back locking device from moving when in use; in the using process, a rider controls the angle rotation of the backrest framework through the external controller, and through the matched use of the electric push rod and the bridging rod, when the angle of the seat needs to be adjusted each time, the electric push rod is controlled through the external control button or the angle adjuster is controlled to adjust, the arranged second connecting rod can position the backrest more accurately, so that the chair is more labor-saving, an operator can adjust the backrest by sitting on the chair, and the operation is simple and convenient; the arranged angle regulator has simple structure and small occupied space, and is suitable for various chairs with manually regulated chair back angles; the arranged reinforcing ribs enhance the strength and rigidity of the backrest framework, so that the backrest framework is not easy to break or damage.

Drawings

FIG. 1 is a schematic side view of a PC backrest lock assembly for a vehicle according to the present invention;

FIG. 2 is a schematic top view of the PC backrest lock assembly of the present invention;

FIG. 3 is a schematic view of the PC backrest lock assembly of the present invention;

in the figure: 1. a cushion frame; 2. a backrest frame; 3. a backrest mounting bracket; 4. a first connecting rod; 5. a support frame; 6. a mounting cavity; 7. mounting grooves; 8. an electric push rod; 9. a cross-connecting rod; 10. a spring; 11. a cushion; 12. reinforcing ribs; 13. a fixed block; 14. a sliding groove; 15. a slider; 16. a second connecting rod; 17. an angle adjuster; 18. provided is a back cushion.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the embodiments of the present invention and the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention;

it should be noted that, in the description of the present invention, it is to be noted that the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left", "right", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 3, the present embodiment provides an automotive PC backrest lock assembly, which includes a seat cushion frame 1, a backrest frame 2 and a turnover locking mechanism; the cushion framework 1 is hinged with the backrest framework 2;

the turnover locking mechanism comprises a backrest mounting bracket 3, first connecting rods 4 and a support frame 5, wherein the support frame 5 is provided with a mounting cavity 6, the cushion framework 1 is arranged in the mounting cavity 6, mounting grooves 7 are formed in two sides of the mounting cavity 6, each mounting groove 7 is internally provided with an electric push rod 8, a bridging rod 9 is bridged between the two electric push rods 8, two ends of the bridging rod 9 are respectively fixed on two movable rods of the electric push rods 8, a spring 10 is compressed between a fixed rod of each electric push rod 8 and the bridging rod 9, the spring 10 is sleeved on the movable rod of the electric push rod 8, two ends of the bridging rod 9 are respectively hinged with one first connecting rod 4, one end of each first connecting rod 4, far away from the bridging rod 9, is fixedly connected with the backrest mounting bracket 3, the backrest mounting bracket 3 is fixedly arranged on the backrest framework 2, the backrest mounting bracket 3 is symmetrically provided with two sliding grooves 14, a sliding block 15 is arranged in each sliding groove 14 in a sliding manner, each sliding block 15 is hinged with a second connecting rod 16, and one end, far away from the backrest mounting bracket 3, of each second connecting rod 16 is fixedly connected with the support frame 5; through the cooperation use of electric putter and bridging pole, when needing to adjust the seat angle at every turn, only need to control electric putter or adjust through control angle regulator through external control button, and the second connecting rod that sets up can carry out more accurate location to the backrest, and is more laborsaving like this, and the operator sits and can adjust simple operation convenience on the chair.

The cushion framework 1 and the backrest framework 2 are connected through an angle adjuster 17; the angle regulator has simple structure and small occupied space, and is suitable for various chairs with manually regulated chair back angles.

The cushion framework 1 is provided with a cushion 11.

A back cushion 18 is arranged on one surface, close to the cushion framework 1, of the backrest framework 2, and a reinforcing rib 12 is arranged on one surface, far away from the cushion framework 1, of the backrest framework 2; the arranged reinforcing ribs enhance the strength and rigidity of the backrest framework, so that the backrest framework is not easy to break or damage.

Two fixing blocks 13 are symmetrically supported at the bottom of the support frame 5.

The spring 10 is made of a tension spring.

The use process and principle are as follows: an angle regulator 17 is arranged between the cushion framework 1 and the backrest framework 2, in the using process, after a user sits on the cushion 11, the angle regulator 17 of the backrest framework 2 is controlled through an external control button, the backrest framework 2 is driven to rotate through the angle regulator 17, meanwhile, the second connecting rod 16 follows the rotation of the backrest framework 2 and slides up and down in the sliding groove 15 through the sliding block 15, the backrest framework 2 is locked and positioned, and the first connecting rod 4 arranged on the backrest mounting bracket 3 of the backrest framework 2 is matched with the electric push rod 9 through the electric push rod 8, the bridging rod 9 and the first connecting rod 4 to use when the angle of the backrest framework 2 is adjusted downwards, so that the linear motion is carried out, and the backrest framework 2 rotates along with the linear motion; if the angle adjuster is damaged, the angle rotation movement can be carried out on the backrest framework 2 through the matching use of the electric push rod 8, the bridging rod 9 and the first connecting rod 4, and the second connecting rod 16 plays a role in supporting and positioning the backrest framework 2.

The details of the present invention are well known to those skilled in the art.

Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. An automobile PC backrest lock assembly is characterized by comprising a cushion framework (1), a backrest framework (2) and a turnover locking mechanism; the cushion framework (1) is hinged with the backrest framework (2);

the turnover locking mechanism comprises a backrest mounting bracket (3), a first connecting rod (4) and a support frame (5), a mounting cavity (6) is formed in the support frame (5), a cushion framework (1) is arranged in the mounting cavity (6), mounting grooves (7) are formed in two sides of the mounting cavity (6), an electric push rod (8) is arranged in each mounting groove (7), a bridging rod (9) is bridged between the two electric push rods (8), two ends of the bridging rod (9) are respectively fixed on the movable rods of the two electric push rods (8), a spring (10) is compressed between the fixed rod of each electric push rod (8) and the bridging rod (9), the movable rods of the electric push rods (8) are sleeved with the springs (10), one first connecting rod (4) is hinged to each of two ends of the bridging rod (9), every head rod (4) keep away from the one end fixed connection of striding and connecting rod (9) back installing support (3), back installing support (3) fixed set up in back skeleton (2), two sliding tray (14) have been seted up to back installing support (3) symmetry, every sliding tray (14) in slide and be provided with sliding block (15), every sliding block (15) articulate there is second connecting rod (16), every second connecting rod (16) and keep away from back installing support (3) one end with support frame (5) fixed connection.

2. The automotive PC backrest lock assembly according to claim 1, characterized in that the seat cushion frame (1) and the backrest frame (2) are connected by an angle adjuster (17).

3. The automotive PC backrest lock assembly according to claim 1, wherein the seat cushion frame (1) is provided with a seat cushion (11).

4. The automotive PC backrest lock assembly as claimed in claim 1, wherein a back cushion (18) is arranged on one side of the backrest framework (2) close to the cushion framework (1), and a reinforcing rib (12) is arranged on one side of the backrest framework (2) far away from the cushion framework (1).

5. The PC backrest lock assembly of claim 1, wherein the bottom of the support frame (5) is symmetrically supported with two fixing blocks (13).

6. The automotive PC back lock assembly according to claim 1, wherein the spring (10) is made of a tension spring.