CN213861950U

CN213861950U - Backrest upper cross beam with high comfort

Info

Publication number: CN213861950U
Application number: CN202022831361.4U
Authority: CN
Inventors: 王钧宇; 刘传碧; 石杰; 张�雄
Original assignee: Wuhan Xinsheng United Precision Machinery Co ltd
Current assignee: Wuhan Xinsheng United Precision Machinery Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-03
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a stronger back entablature of travelling comfort relates to car saddle technical field, specifically is including the back body, and it has the transmission shaft to peg graft in one side of back body inside, and the one end fixedly connected with turning handle of transmission shaft, the outer fixed surface of transmission shaft are connected with initiative conical gear, and one side that the surface of transmission shaft is located initiative conical gear rotates and is connected with the limiting plate, one side fixedly connected with fixed plate of limiting plate, and one side of fixed plate is rotated and is connected with drive screw, and drive screw's surface threaded connection has the transmission piece. Through the cooperation setting of twist grip, initiative conical gear, drive screw, transmission piece, connecting plate and crossbeam, the height of adjustment the device of can being convenient for at the in-process of using, and then changed and can only fix at same height at present, can realize that the user can adjust corresponding sensation height most comfortable according to the demand of oneself, has improved use comfort, and application range is wider.

Description

Backrest upper cross beam with high comfort

Technical Field

The utility model relates to an automobile seat technical field specifically is a stronger back entablature of travelling comfort.

Background

The vibration of the seat directly affects the comfort of a driver and a passenger due to the direct contact of the automobile seat with the driver and the passenger, and the rigidity and the strength of the seat mounting structure are key factors affecting the seat mounting structure. The safety performance of the upper cross beam of the automobile seat, which is one of the main components of the automobile seat frame, directly affects the safety of the seat and the whole automobile. Therefore, the upper cross beam of the automobile seat is required to have high rigidity and strength so as to bear the influence of vibration or collision on the seat and avoid the seat from being damaged.

However, in the prior art, the upper cross beam of the car seat is a special-shaped piece, and is generally formed by welding a left headrest sleeve, a right headrest sleeve, a headrest frame and a reinforcing plate, the position is fixed, the use requirements of different heights are not met, the structure is complex, the rigidity and the strength are low, and when impact force is generated by inertia, the damage caused by the impact force is not well relieved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a stronger back entablature of travelling comfort has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: comprises a backrest body, a transmission shaft is inserted into one side of the inner part of the backrest body, one end of the transmission shaft is fixedly connected with a rotating handle, the outer surface of the transmission shaft is fixedly connected with a driving bevel gear, one side of the outer surface of the transmission shaft, which is positioned on the driving bevel gear, is rotatably connected with a limiting plate, one side of the limit plate is fixedly connected with a fixed plate, one side of the fixed plate is rotatably connected with a transmission screw rod, the outer surface of the transmission screw rod is connected with a transmission block through threads, one side of the transmission block is fixedly connected with a connecting plate, one side of the connecting plate is fixedly connected with a cross beam, one end of the transmission screw rod is fixedly connected with a driven conical gear, the other end of the transmission screw rod is rotatably connected with a fixed bearing, one side of the fixed bearing is fixedly connected with the top inside the backrest body, and one side of the backrest body is provided with a sliding groove matched with the connecting plate.

Optionally, the inside of crossbeam is equipped with the mounting groove, the inside fixedly connected with mounting panel of mounting groove.

Optionally, one side of the mounting plate is fixedly connected with a guide plate, one side of the guide plate is slidably connected with a sliding plate, and one side of the sliding plate is fixedly connected with one side of the cross beam.

Optionally, one side of the mounting plate is fixedly connected with a damping spring, and the other end of the damping spring is fixedly connected with one side of the cross beam.

Optionally, one side of the inside of the cross beam is fixedly connected with an installation block, one side of the installation block is hinged with a sliding rod, the other end of the sliding rod is fixedly connected with a sliding block, and one side of the cross beam is provided with a guide groove matched with the sliding block.

Optionally, one end of the cross beam is arc-shaped, the number of the sliding rods and the number of the sliding blocks are two, and the two sliding blocks are in sliding connection in the guide groove.

(III) advantageous effects

The utility model provides a stronger back entablature of travelling comfort possesses following beneficial effect:

1. this back entablature that travelling comfort is stronger sets up through the cooperation of twist grip, initiative conical gear, drive screw, transmission piece, connecting plate and crossbeam, can be convenient for adjust the device's height at the in-process that uses, and then has changed and can only fix at same height at present, can realize that the user can adjust corresponding sensation height most comfortable according to the demand of oneself, has improved use comfort, and application range is wider.

2. This back entablature that travelling comfort is stronger sets up through the cooperation of deflector, sliding plate, damping spring, slide bar and guide way, can slow down because the striking that rugged road surface, perhaps emergency brake and outside collision brought at the in-process of using, through the size of the impact that the buffering produced according to inertia, and then reduces the injury that the user received, has improved user's self security.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

FIG. 2 is a schematic view of the main structure of the present invention;

FIG. 3 is a schematic top sectional view of the present invention;

fig. 4 is a schematic view of the structure of the present invention.

In the figure: 1. a backrest body; 2. a drive shaft; 3. rotating the handle; 4. a driving bevel gear; 5. a limiting plate; 6. a fixing plate; 7. a drive screw; 8. a transmission block; 9. a connecting plate; 10. a cross beam; 11. a driven bevel gear; 12. fixing the bearing; 13. a sliding groove; 14. mounting grooves; 15. mounting a plate; 16. a guide plate; 17. a sliding plate; 18. a damping spring; 19. mounting blocks; 20. a slide bar; 21. a slider; 22. A guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a backrest upper cross beam with high comfort degree comprises a backrest body 1, a transmission shaft 2 is inserted into one side inside the backrest body 1, one end of the transmission shaft 2 is fixedly connected with a rotating handle 3, the height of the device can be conveniently adjusted in the using process through the matching arrangement of the rotating handle 3, a driving bevel gear 4, a transmission lead screw 7, a transmission block 8, a connecting plate 9 and a cross beam 10, the height of the device can be further changed to be fixed at the same height at present, a user can adjust the height which is most comfortable to feel correspondingly according to own requirements, the use comfort degree is improved, the use range is wide, the driving bevel gear 4 is fixedly connected to the outer surface of the transmission shaft 2, a limiting plate 5 is rotatably connected to one side of the driving bevel gear 4 of the outer surface of the transmission shaft 2, a fixing plate 6 is fixedly connected to one side of the limiting plate 5, and a transmission lead screw 7 is rotatably connected to one side of the fixing plate 6, the outer surface of the transmission lead screw 7 is in threaded connection with a transmission block 8, one side of the transmission block 8 is fixedly connected with a connecting plate 9, one side of the connecting plate 9 is fixedly connected with a cross beam 10, the inside of the cross beam 10 is provided with a mounting groove 14, the inside of the mounting groove 14 is fixedly connected with a mounting plate 15, one side of the mounting plate 15 is fixedly connected with a guide plate 16, the guide plate 16, a sliding plate 17, a damping spring 18, a sliding rod 20 and a guide groove 22 are matched and arranged, in the using process, impact caused by rugged pavement, emergency braking and external collision can be relieved, through buffering the impact force generated according to inertia, further injury to a user is reduced, the safety of the user is improved, one side of the guide plate 16 is in sliding connection with the sliding plate 17, one side of the sliding plate 17 is fixedly connected with one side of the cross beam 10, one side of the mounting plate 15 is fixedly connected with the damping spring 18, damping spring 18's the other end and one side fixed connection of crossbeam 10, inside one side fixedly connected with installation piece 19 of crossbeam 10, one side of installation piece 19 articulates there is slide bar 20, slide bar 20's other end fixedly connected with slider 21, one side of crossbeam 10 is equipped with the guide way 22 with slider 21 looks adaptation, the one end of crossbeam 10 is established to the arc, slide bar 20 is two with the figure of slider 21, two sliders 21 are at the inside sliding connection of guide way 22, the driven conical gear 11 of one end fixedly connected with of drive screw 7, the other end rotation of drive screw 7 is connected with fixing bearing 12, one side and the inside top fixed connection of backrest body 1 of fixing bearing 12, sliding tray 13 with connecting plate 9 looks adaptation is seted up to one side of backrest body 1.

When the automobile is used, the transmission shaft 2 can be driven to rotate by rotating the handle 3, then the transmission shaft 2 drives the driving bevel gear 4 to rotate, the driving bevel gear 4 is meshed with the driven bevel gear 11, the driving bevel gear 4 drives the driven bevel gear 11, the driven bevel gear 11 drives the transmission lead screw 7 to rotate, the transmission lead screw 7 is in threaded connection with the transmission block 8, further, in the rotating process of the transmission lead screw 7, the transmission block 8 drives the cross beam 10 to move up and down through the connecting plate 9 until the cross beam moves to the most comfortable height to stop, in the driving process of an automobile, when the automobile encounters rugged road surface, emergency braking or external impact, a person in the automobile can generate large impact force due to inertia, at the moment, the sliding rod 20 starts to slide in the guide groove 22 by setting the material of the cross beam 10 as elastic, and meanwhile, the sliding plate 17 is in sliding connection with the guide plate 16, the sliding plate 17 is slid on the side of the guide plate 16, and at the same time, the side of the beam 10 is pressed by the damping spring 18, so that the impact force generated by inertia is reduced, and the injury of the user is reduced.

The utility model discloses a theory of operation and beneficial effect: through the rotating handle 3, the initiative taper gear 4, the drive screw 7, the transmission piece 8, the cooperation setting of connecting plate 9 and crossbeam 10, the height of adjustment the device can be convenient for in the in-process of using, and then changed and can only fix at same height at present, can realize that the user can adjust the most comfortable height of corresponding sensation according to the demand of oneself, use comfort has been improved, application range is wider, through deflector 16, the sliding plate 17, damping spring 18, the cooperation setting of slide bar 20 and guide way 22, can slow down the striking because the road surface is rugged in the in-process of using, perhaps emergency brake and outside collision bring, through the size of the impact that the buffering produced according to inertia, and then reduce the injury that the user received, user's self security has been improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a stronger back entablature of travelling comfort, includes back body (1), its characterized in that: the backrest comprises a backrest body (1), a transmission shaft (2) is inserted into one side of the interior of the backrest body (1), a rotating handle (3) is fixedly connected to one end of the transmission shaft (2), a driving bevel gear (4) is fixedly connected to the outer surface of the transmission shaft (2), a limiting plate (5) is rotatably connected to one side of the driving bevel gear (4) on the outer surface of the transmission shaft (2), a fixing plate (6) is fixedly connected to one side of the limiting plate (5), a transmission lead screw (7) is rotatably connected to one side of the fixing plate (6), a transmission block (8) is in threaded connection with the outer surface of the transmission lead screw (7), a connecting plate (9) is fixedly connected to one side of the transmission block (8), a cross beam (10) is fixedly connected to one side of the connecting plate (9), and a driven bevel gear (11) is fixedly connected to one end of the transmission lead screw (7), the other end of the transmission lead screw (7) is rotatably connected with a fixed bearing (12), one side of the fixed bearing (12) is fixedly connected with the top of the inside of the backrest body (1), and a sliding groove (13) matched with the connecting plate (9) is formed in one side of the backrest body (1).

2. The upper backrest cross beam with high comfort as claimed in claim 1, wherein: the inside of crossbeam (10) inside is equipped with mounting groove (14), the inside fixedly connected with mounting panel (15) of mounting groove (14).

3. The upper backrest cross beam with high comfort as claimed in claim 2, wherein: one side of the mounting plate (15) is fixedly connected with a guide plate (16), one side of the guide plate (16) is slidably connected with a sliding plate (17), and one side of the sliding plate (17) is fixedly connected with one side of the cross beam (10).

4. The upper backrest cross beam with high comfort as claimed in claim 2, wherein: one side fixed connection damping spring (18) of mounting panel (15), one side fixed connection of the other end and crossbeam (10) of damping spring (18).

5. The upper backrest cross beam with high comfort as claimed in claim 1, wherein: the beam is characterized in that an installation block (19) is fixedly connected to one side of the inside of the beam (10), a sliding rod (20) is hinged to one side of the installation block (19), a sliding block (21) is fixedly connected to the other end of the sliding rod (20), and a guide groove (22) matched with the sliding block (21) is formed in one side of the beam (10).

6. The more comfortable upper back rail of claim 5, wherein: one end of the cross beam (10) is arc-shaped, the number of the sliding rods (20) and the number of the sliding blocks (21) are two, and the two sliding blocks (21) are connected in a sliding mode in the guide groove (22).