CN215737942U

CN215737942U - Seat back rotation locking mechanism

Info

Publication number: CN215737942U
Application number: CN202122240937.4U
Authority: CN
Inventors: 陈锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-08
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a seat backrest rotation locking mechanism which comprises a backrest main body and independent armrests, wherein the independent armrests are fixedly connected to two sides of the backrest main body, a backrest connecting rod is fixedly connected to the inner side of the backrest main body, a buckle assembly and a locking mechanism groove are fixedly connected to two ends of the backrest connecting rod, a backrest assembly is fixedly connected to one side of the backrest connecting rod, a screw positioning hole is formed in the lower end of the backrest main body, a base is fixedly connected to the lower end of each independent armrest, and a first hollow groove is formed in the inner side of each independent armrest. According to the seat backrest rotation locking mechanism, the falling feeling of the backrest of a seat user can be effectively relieved, the backward leaning pressure of the user is effectively borne, the number of seat mounting assemblies is greatly reduced, the seat backrest main body and the independent armrest are connected in a locking mode through fewer positioning assemblies, and the seat backrest rotation locking mechanism is not prone to swinging.

Description

Seat back rotation locking mechanism

Technical Field

The utility model relates to the field of rotary locking mechanisms, in particular to a rotary locking mechanism for a seat backrest.

Background

Backrest rotation locking mechanism is a mechanism that carries out backrest rotation locking, in order to improve the degree of cooperation of backrest and handrail, improves the convenience and the interest of customer's installation, and backrest and handrail can be better fixed, enable the backrest and can bear great pressure, and along with the continuous development of science and technology, people also are more and more high to backrest rotation locking mechanism's manufacturing process requirement.

There is certain drawback in current backrest rotation locking mechanism when using, at first, when traditional backrest is connected with the base, when bearing the power that comes from the user to lean back, there is slight sense of falling to the air slightly, is unfavorable for people's use, and in addition, the mounting means that traditional backrest and base are connected is comparatively single, and is unfavorable for the installation, and the more structure of general needs is gone to realize, has brought certain adverse effect for people's use, for this reason, we propose a backrest rotation locking mechanism.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the seat back rotary locking mechanism, the rotary locking mechanism can effectively relieve the falling feeling of the backrest of a seat user and effectively bear the reclining pressure of the user, the rotary locking mechanism greatly reduces seat installation components, the locking connection between a seat back main body and an independent armrest is realized through fewer positioning components, the seat back rotary locking mechanism is not easy to swing, and the problems in the background technology can be effectively solved.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a rotatory locking mechanical system of backrest, includes back main part and independent handrail, the independent handrail of both sides fixedly connected with of back main part, the inboard fixedly connected with back connecting rod of back main part, the both ends fixedly connected with buckle subassembly, the locking mechanical system recess of back connecting rod, one side fixedly connected with back subassembly of back connecting rod, the screw locating hole has been seted up to the lower extreme of back main part.

Furthermore, the lower end of the independent handrail is fixedly connected with the base, a hollow groove is formed in the inner side of the independent handrail, a second hollow groove is formed in the upper end of the backrest connecting rod, a third hollow groove is formed in the lower end of the backrest connecting rod, the shape of the first hollow groove is not limited to a prismatic shape, and the first hollow groove can be customized into a round shape or a square shape according to actual requirements.

Furthermore, through the mode integrated into one piece of moulding plastics between back main part and back connecting rod, No. two fretwork grooves, No. three fretwork grooves, buckle subassembly, locking mechanical system recess, screw locating hole and the inboard fixed connection of independent handrail are passed through to the both sides of back main part.

Furthermore, the inner side of the backrest main body is fixedly connected with one side of the backrest component through a backrest connecting rod, and the lower ends of the independent armrests are fixedly connected with the two sides of the base.

Compared with the prior art, the utility model provides a seat back rotation locking mechanism, which has the following beneficial effects: the rotary locking mechanism of the seat backrest can effectively relieve the falling feeling of the backrest of a seat user and effectively bear the backward leaning pressure of the user, greatly reduces seat installation components, realizes locking connection between a seat backrest main body and an independent armrest through fewer positioning components and is not easy to swing, can separate the backrest main body and the independent armrest into independent components before use, the independent armrest is formed by combining the armrest and a chassis, one side of the backrest main body and the independent armrest is provided with a buckle component, a locking mechanism groove and a screw positioning hole for fixed connection, the buckle component is used for locking the backrest main body, the locking mechanism groove can enable the backrest main body to be better attached to the independent armrest, the backrest main body is inserted in a backward tilting mode and is fixed by rotating the backrest main body clockwise, one side of the armrest is provided with grooves which are similar to the two sides of the backrest main body for bonding, prevent that the back from continuing to rotate, can fix the back and, pack into the set screw through the screw locating hole and carry out final fixed, whole seat back rotation locking mechanism simple structure, convenient operation, the effect of use is better for traditional mode.

Drawings

The utility model is further explained below with reference to the drawings and the embodiments.

Fig. 1 is a schematic view of the entire structure of a seat back rotation lock mechanism according to the present invention.

Fig. 2 is a schematic side view of a seat back rotation lock mechanism according to the present invention.

Fig. 3 is a front view of a seat back rotation lock mechanism according to the present invention.

Fig. 4 is a rear view of a seat back rotation lock mechanism according to the present invention.

Reference numerals: 1. a backrest body; 2. a buckle assembly; 3. a locking mechanism groove; 4. an independent armrest; 5. a base; 6. screw positioning holes; 7. a backrest connecting rod; 8. a backrest assembly; 9. a first hollow groove; 10. a second hollow groove; 11. no. three fretwork groove.

Detailed Description

The first embodiment is as follows:

as shown in fig. 1-2, a seat back rotation locking mechanism comprises a back main body 1 and independent armrests 4, the independent armrests 4 are fixedly connected to two sides of the back main body 1, a back connecting rod 7 is fixedly connected to the inner side of the back main body 1, buckle components 2 and locking mechanism grooves 3 are fixedly connected to two ends of the back connecting rod 7, a back component 8 is fixedly connected to one side of the back connecting rod 7, and a screw positioning hole 6 is formed in the lower end of the back main body 1.

The lower extreme fixedly connected with base 5 of independent handrail 4, No. one hollowed-out groove 9 has been seted up to the inboard of independent handrail 4, No. two hollowed-out grooves 10 have been seted up to the upper end of back connecting rod 7, No. three hollowed-out grooves 11 have been seted up to the lower extreme of back connecting rod 7, and the shape of a hollowed-out groove 9 is not restricted to the prism, can customize into circular or square according to actual demand.

The backrest body 1 and the backrest connecting rod 7, the second hollow groove 10 and the third hollow groove 11 are integrally formed in an injection molding mode, and the two sides of the backrest body 1 are fixedly connected with the inner sides of the independent handrails 4 through the buckle assemblies 2, the locking mechanism grooves 3 and the screw positioning holes 6.

The inner side of the backrest main body 1 is fixedly connected with one side of a backrest component 8 through a backrest connecting rod 7, and the lower ends of the independent armrests 4 are fixedly connected with the two sides of the base 5.

Example two:

as shown in fig. 1, 3 and 4, the rotary locking mechanism for the seat backrest comprises a backrest main body 1 and independent armrests 4, the independent armrests 4 are fixedly connected to two sides of the backrest main body 1, a backrest connecting rod 7 is fixedly connected to the inner side of the backrest main body 1, buckle components 2 and locking mechanism grooves 3 are fixedly connected to two ends of the backrest connecting rod 7, a backrest component 8 is fixedly connected to one side of the backrest connecting rod 7, and a screw positioning hole 6 is formed in the lower end of the backrest main body 1.

The lower extreme fixedly connected with base 5 of independent handrail 4, No. one fretwork groove 9 has been seted up to the inboard of independent handrail 4, and No. two fretwork grooves 10 have been seted up to the upper end of back connecting rod 7, and No. three fretwork grooves 11 have been seted up to the lower extreme of back connecting rod 7.

The utility model is a chair backrest rotation locking mechanism, which comprises a backrest main body 1, an independent armrest 4, a buckle component 2, a locking mechanism groove 3, an independent armrest 4, a base 5, a screw positioning hole 6, a backrest connecting rod 7, a backrest component 8, a first hollow groove 9, a second hollow groove 10 and a third hollow groove 11, wherein the backrest main body 1 and the independent armrest 4 can be separated into separate parts before use, the independent armrest 4 is formed by combining an armrest and a chassis, the buckle component 2, the locking mechanism groove 3 and the screw positioning hole 6 are arranged on one side of the backrest main body 1 and one side of the independent armrest 4 for fixed connection, the buckle component 2 is used for locking the backrest main body 1, the locking mechanism groove 3 can enable the backrest main body 1 to be better attached to the independent armrest 4, the backrest main body 1 is inserted in a backward tilting manner, and the backrest main body 1 is rotated clockwise for fixing, there is the recess bonding similar with 1 both sides of back main part in handrail one side, prevent that the back from continuing to rotate, can fix the back with, pack into the fixed screw through screw locating hole 6 and carry out last fixed, the falling empty sense that the seat user leaned on behind can effectively be alleviated to rotary locking mechanism, effectively bear user's the pressure of lying backwards, rotary locking mechanism has reduced the seat installation component by a wide margin, realize through less locating component that the locking between seat back main part and the independent handrail is connected and is difficult for the swing, whole easy operation is swift, and is comparatively practical.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. A seatback rotary lock mechanism comprising a seatback body (1) and independent armrests (4), characterized in that: the utility model discloses a backrest for the automobile seat, including backrest body (1), both sides fixedly connected with independent handrail (4) of backrest body (1), inboard fixedly connected with backrest connecting rod (7) of backrest body (1), both ends fixedly connected with buckle subassembly (2), locking mechanical system recess (3) of backrest connecting rod (7), one side fixedly connected with backrest subassembly (8) of backrest connecting rod (7), screw locating hole (6) have been seted up to the lower extreme of backrest body (1).

2. The seat back rotation lock mechanism according to claim 1, wherein: the lower extreme fixedly connected with base (5) of independent handrail (4), No. one fretwork groove (9) have been seted up to the inboard of independent handrail (4), No. two fretwork grooves (10) have been seted up to the upper end of back connecting rod (7), No. three fretwork grooves (11) have been seted up to the lower extreme of back connecting rod (7).

3. The seat back rotation lock mechanism according to claim 1, wherein: the backrest is characterized in that the backrest body (1) is integrally formed with the backrest connecting rod (7), the second hollow groove (10) and the third hollow groove (11) in an injection molding mode, and the two sides of the backrest body (1) are fixedly connected with the inner sides of the independent handrails (4) through the buckle assemblies (2), the locking mechanism grooves (3) and the screw positioning holes (6).

4. The seat back rotation lock mechanism according to claim 1, wherein: the inner side of the backrest main body (1) is fixedly connected with one side of the backrest component (8) through a backrest connecting rod (7), and the lower ends of the independent armrests (4) are fixedly connected with the two sides of the base (5).

5. The seat back rotation lock mechanism according to claim 2, wherein: the shape of the first hollow groove (9) is not limited to a prismatic shape, and can be customized into a round shape or a square shape according to actual requirements.