CN220410355U - Back row backrest rotating mechanism - Google Patents

Abstract

The application relates to a back row back rotary mechanism, including upset support frame, install respectively in the installing support of seat left side back frame and right side back frame, the installing support on left side and right side is installed in the top position department of upset support frame through same articulated shaft. The utility model discloses a hinge structure can be made to simplify, can realize that the independent installation of back frame is dismantled, and make the degree of difficulty and cost can be corresponding reduction some.

Description

Back row backrest rotating mechanism

Technical Field

The application relates to the field of automobile seat adjusting devices, in particular to a rear backrest rotating mechanism.

Background

In the life of people, automobiles become necessary traveling tools, and in use of automobile seats, different use demands are required for adjusting the seats, and the adjustment of the back-row seat back is realized by a hinge structure between a back frame and a cushion frame, for example, the adjustment is composed of a support arm fixedly mounted with the cushion frame and a back mounting bracket fixedly mounted with the back frame, and the back mounting bracket is hinged with the support arm.

In view of the above-mentioned prior art, the inventor considers that although this structure can realize the overturning of the backrest, the stability of this structure in the longitudinal direction of the backrest is relatively poor, after a period of time of use of the vehicle for a long time, the joint of the hinge structure with the cushion frame and the backrest frame will loose, which results in noise, and the stability of the seat will be weakened, and the backrest frame using this structure will be troublesome in mounting and dismounting, and it will be quite difficult for the individual mounting and dismounting of the backrest frame, so that the manufacturing difficulty and cost will be correspondingly increased.

Disclosure of Invention

In order to simplify the hinge structure, can realize the independent installation dismantlement of back frame, and manufacturing degree of difficulty and cost can be corresponding reduction some, this application provides a back row back rotary mechanism.

The application provides a back row back rotary mechanism adopts following technical scheme:

the utility model provides a back row back rotary mechanism, includes upset support frame, installs respectively in the installing support of seat left side back frame and right side back frame, and the top position department in upset support frame is installed through same articulated shaft to left installing support and right side installing support.

Optionally, the upset support frame includes mounting base and support arm, and the support arm is installed in mounting base's middle part, and the articulated shaft runs through in the top position of support arm, and is provided with the energy-absorbing hole on the support arm.

Optionally, the mounting base includes mounting panel and fixed plate, and the fixed plate is located the front end of mounting panel and sets up downwards, and the fixed plate includes vertical section and slope section, and slope section backward tilt sets up.

Optionally, the mounting panel middle part is provided with the installation socket, and the lower tip of support arm is provided with limit baffle, and limit baffle's length is greater than the length of installation socket, and the support arm inserts the installation socket from mounting panel downside direction until limit baffle and the lower terminal surface butt of mounting panel spacing.

Optionally, the left and right sides of mounting panel front side are provided with connecting portion downwards respectively, and the lower end connection of connecting portion has a fixed part, and the fixed part is provided with the fixed orifices, forms between connecting portion and the mounting panel of left and right both sides and is n shape structure.

Optionally, the structures of the left mounting bracket and the right mounting bracket are symmetrically arranged.

Optionally, the installing support includes articulated backup pad and the mounting panel of bending, and the articulated backup pad is provided with the mounting hole that supplies the articulated shaft to install, and the mounting panel of bending sets up the articulated backup pad and leans on the front or one side behind.

Optionally, install the frame mount pad on the mounting panel of bending, be provided with the card that supplies the back frame to install and go into the position on the frame mount pad.

Optionally, a gear plate is arranged at the front side/rear side of the frame mounting seat, a clamping plate is arranged at the rear side/front side of the frame mounting seat, and a clamping position for mounting the backrest frame is formed between the gear plate and the clamping plate.

Optionally, the frame mount pad is provided with the pinhole, and the position that corresponds with the pinhole on the mounting panel of bending is provided with the regulation hole, and the regulation hole is including being located downside aperture and the macropore that is located the upside, aperture and macropore are linked together, and the width of aperture and macropore junction equals with the diameter of aperture, is provided with the pin that passes aperture and pinhole connection on the mounting panel of bending.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the hinge structure of the backrest frame is relatively simplified, independent installation and disassembly of the backrest frame can be realized, and the manufacturing difficulty and the cost can be correspondingly reduced.

2. By improving the overturning support bracket structure, the hinge structure can ensure the firmness of the longitudinal position after being installed, and meanwhile, the manufacturing cost is effectively reduced, and the convenience of installation and disassembly is improved.

3. Through the structural improvement to the installing support for the installation between installing support and the back frame is more simple swift, and it is also very convenient to dismantle, very big cost-effective, manufacturing cost has also obtained very big control moreover.

Drawings

Fig. 1 is an exploded view of a rear seat back rotating mechanism according to an embodiment of the present application.

FIG. 2 is a schematic view of a rear seat back rotation mechanism mounted in cooperation with a seat back frame in accordance with an embodiment of the present application.

Reference numerals illustrate: 1. a support arm; 2. a hinge shaft; 3. an energy absorption hole; 4. a mounting plate; 5. a vertical section; 6. an inclined section; 7. installing a socket; 8. a limit baffle; 9. a fixing part; 10. a fixing hole; 11. a connection part; 12. a hinged support plate; 13. bending the mounting plate; 14. a mounting hole; 15. a frame mount; 16. a gear plate; 17. a clamping plate; 18. a pin hole; 19. an adjustment aperture; 20. and (5) a pin.

Detailed Description

The present application is described in further detail below in conjunction with figures 1 and 2.

The embodiment of the application discloses a back row backrest rotating mechanism. Referring to fig. 1 and 2, the seat comprises a turnover support bracket and mounting brackets respectively mounted on a left backrest frame and a right backrest frame of the seat, wherein the left mounting bracket and the right mounting bracket are mounted at the top positions of the turnover support bracket through the same hinge shaft 2.

Firstly, in order to ensure the firmness of the longitudinal position after the hinge structure in the embodiment is installed, the turnover support bracket in the embodiment comprises an installation base and a support arm 1, wherein the support arm 1 is installed in the middle of the installation base, the hinge shaft 2 penetrates through the top position of the support arm 1, the support arm 1 is provided with an energy absorption hole 3, and the energy absorption hole 3 is generally arranged at the position of the lower side of the hinge position of the hinge shaft 2, and the energy absorption hole 3 can effectively absorb energy under the rear collision working condition; wherein, the mounting base includes mounting panel 4 and fixed plate, and the fixed plate is located the front end of mounting panel 4 and sets up downwards, and the fixed plate includes vertical section 5 and slope section 6, and slope section 6 leans back setting utilizes the design of this structure, can utilize the fixed plate to realize longitudinal direction's fixed, has effectively prevented longitudinal activity possibility.

In addition, in order to facilitate production, processing and manufacturing, the structure of the support arm 1 installed in the middle of the installation base is as follows: the middle part of the mounting plate 4 is provided with a mounting socket 7, the lower end part of the supporting arm 1 is provided with a limit baffle 8, the length of the limit baffle 8 is greater than that of the mounting socket 7, the supporting arm 1 is inserted into the mounting socket 7 from the lower side direction of the mounting plate 4 until the limit baffle 8 is in butt joint with the lower end surface of the mounting plate 4 for limiting, and the support arm is generally fixed in a welding mode after the butt joint is limited; meanwhile, in order to enable the structural layout of the support arm 1 to be more reasonable after the support arm is installed, and in order to ensure the structural stability, the left side and the right side of the front side of the mounting plate 4 are respectively provided with a connecting part 11 downwards, the lower end part of the connecting part 11 is connected with a fixing part 9, the fixing part 9 is provided with a fixing hole 10, and an n-shaped structure is formed between the connecting parts 11 on the left side and the right side and the mounting plate 4.

In the embodiment, the structures of the left mounting bracket and the right mounting bracket are symmetrically arranged, the mounting brackets comprise a hinged support plate 12 and a bending mounting plate 13, the hinged support plate 12 is provided with a mounting hole 14 for mounting the hinged shaft 2, the bending mounting plate 13 is arranged on one side of the hinged support plate 12, which is close to the front or close to the back, the bending mounting plate 13 is provided with a frame mounting seat 15, and the frame mounting seat 15 is provided with a clamping position for mounting a backrest frame; wherein, the front side/rear side position of the frame installation seat 15 is provided with a gear plate 16, the rear side/front side position of the frame installation seat 15 is provided with a clamping plate 17, and a clamping position for the installation of the backrest frame is formed between the gear plate 16 and the clamping plate 17.

For better adapting to backrest frames with different sizes and positions of better adapting to the backrest frames, in this embodiment, a pin hole 18 is provided on a frame mounting seat 15, an adjusting hole 19 is provided on a position, corresponding to the pin hole 18, on a bending mounting plate 13, the adjusting hole 19 includes a small hole on the lower side and a large hole on the upper side, the small hole is communicated with the large hole, the width of the joint of the small hole and the large hole is equal to the diameter of the small hole, and a pin 20 connected with the pin hole 18 through the small hole is provided on the bending mounting plate 13. The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The utility model provides a back row back rotary mechanism which characterized in that, including upset support frame, install in the installing support of seat left side back frame and right side back frame respectively, the installing support of left side and right side is installed in the top position department of upset support frame through same articulated shaft (2).

2. The back row backrest rotating mechanism according to claim 1, wherein the overturning support bracket comprises a mounting base and a support arm (1), the support arm (1) is mounted in the middle of the mounting base, the hinge shaft (2) penetrates through the top position of the support arm (1), and the support arm (1) is provided with an energy absorption hole (3).

3. A rear backrest rotation mechanism as claimed in claim 2, wherein the mounting base comprises a mounting plate (4) and a fixing plate, the fixing plate being located at the front end of the mounting plate (4) and being disposed downwardly, the fixing plate comprising a vertical section (5) and a sloping section (6), the sloping section (6) being disposed rearwardly.

4. A rear backrest rotating mechanism according to claim 3, characterized in that the middle part of the mounting plate (4) is provided with a mounting socket (7), the lower end part of the supporting arm (1) is provided with a limit baffle (8), the length of the limit baffle (8) is greater than that of the mounting socket (7), and the supporting arm (1) is inserted into the mounting socket (7) from the lower side direction of the mounting plate (4) until the limit baffle (8) is in butt limit with the lower end surface of the mounting plate (4).

5. The back row backrest rotating mechanism according to claim 4, wherein the left side and the right side of the front side of the mounting plate (4) are respectively provided with a connecting part (11) downwards, the lower end part of the connecting part (11) is connected with a fixing part (9), the fixing part (9) is provided with a fixing hole (10), and an n-shaped structure is formed between the connecting parts (11) on the left side and the right side and the mounting plate (4).

6. The back row backrest rotation mechanism of claim 1, wherein said left and right mounting brackets are symmetrically disposed.

7. The back row backrest rotation mechanism according to claim 6, wherein the mounting bracket comprises a hinge support plate (12) and a bending mounting plate (13), the hinge support plate (12) is provided with a mounting hole (14) for mounting the hinge shaft (2), and the bending mounting plate (13) is provided on a front or rear side of the hinge support plate (12).

8. The back row backrest rotating mechanism according to claim 7, wherein a frame mounting seat (15) is mounted on the bending mounting plate (13), and a clamping position for mounting a backrest frame is arranged on the frame mounting seat (15).

9. The back row backrest rotating mechanism according to claim 8, wherein a gear plate (16) is arranged at the front side/rear side position of the frame mounting seat (15), a clamping plate (17) is arranged at the rear side/front side position of the frame mounting seat (15), and a clamping position for mounting the backrest frame is formed between the gear plate (16) and the clamping plate (17).

10. The back row backrest rotating mechanism according to claim 8, wherein the frame mounting seat (15) is provided with a pin hole (18), an adjusting hole (19) is formed in a position, corresponding to the pin hole (18), of the bending mounting plate (13), the adjusting hole (19) comprises a small hole on the lower side and a large hole on the upper side, the small hole is communicated with the large hole, the width of the joint of the small hole and the large hole is equal to the diameter of the small hole, and a pin (20) connected with the pin hole (18) through the small hole is arranged on the bending mounting plate (13).