CN214616032U

CN214616032U - Linear type electric tail gate screw rod for automobile

Info

Publication number: CN214616032U
Application number: CN202120154920.4U
Authority: CN
Inventors: 文升尧
Original assignee: Shenzhen Ruituo Precision Machinery Co ltd
Current assignee: Shenzhen Ruituo Precision Machinery Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-11-05
Anticipated expiration: 2031-01-20

Abstract

The utility model relates to a lead screw technical field just discloses an electronic tail-gate lead screw of orthoscopic car, including the outer tube, the bar hole has been seted up on the outer tube surface, outer tube internal fixation is provided with first baffle and second baffle, first baffle is kept away from second baffle one side and is provided with the driver, be equipped with pivot and toper friction roller between first baffle and the second baffle, toper friction roller both ends respectively with first baffle and second baffle swing joint, the pivot both ends respectively with first baffle and second baffle swing joint. This electronic tail-gate lead screw of orthoscopic car can remove U-shaped limiting plate through twisting fastening nut, and then adjusts the position of annular friction roller, and the rotational speed of lead screw can be controlled through the position control of annular friction roller, finally adjusts the flexible length of interior sheathed tube, is favorable to adjusting the promotion height of car tail-gate to this crowd that adapts to different heights, the suitability is stronger.

Description

Linear type electric tail gate screw rod for automobile

Technical Field

The utility model relates to a lead screw technical field specifically is an electronic tail-gate lead screw of orthoscopic car.

Background

The ball screw is an ideal product for converting rotary motion into linear motion or converting linear motion into rotary motion, the screw is the most commonly used transmission element on tool machinery and precision machinery, the main function of the screw is to convert rotary motion into linear motion or convert torque into axial repeated acting force, and the screw has the characteristics of high precision, reversibility and high efficiency.

Present electronic tail-gate lead screw of car mainly used supports the car tail-gate, but partial electronic tail-gate does not support regulatory function, leads to the car tail-gate to rise high higher, and the inconvenient car tail-gate of transferring of crowd that the height is not enough.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an electronic tail-gate lead screw of orthoscopic car possesses advantages such as be convenient for adjust, has solved present electronic tail-gate lead screw of car and has mainly used support the car tail-gate, but partial electronic tail-gate does not support regulatory function, leads to the car tail-gate to rise highly higher, and the inconvenient problem of transferring the car tail-gate of the crowd that the height is not enough.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electronic tail-gate lead screw of orthoscopic car, includes the outer tube, the bar hole has been seted up on the outer tube surface, outer tube inside fixation is provided with first baffle and second baffle, second baffle one side is kept away from to first baffle is provided with the driver, be equipped with pivot and toper friction roller between first baffle and the second baffle, toper friction roller both ends respectively with first baffle and second baffle swing joint, the pivot both ends respectively with first baffle and second baffle swing joint, sliding connection has annular friction roller in the pivot, the pivot top is equipped with the regulator, the pivot is close to second baffle one end fixedly connected with lead screw, the lead screw tip is equipped with the director, it is vice to install the nut on the lead screw, interior sleeve pipe of the vice outside fixedly connected with of nut, interior sleeve pipe extends to the outer tube outside.

Preferably, the driver comprises a motor, the motor is fixedly connected with the inner wall of the outer sleeve, and an output shaft of the motor is fixedly connected with the conical friction roller through a coupler.

Preferably, the regulator includes the screw rod, fixedly connected with spacing ring on the screw rod, screw rod bottom fixedly connected with U-shaped limiting plate, the bar hole is run through and extends to the outer tube outside in screw rod top, screw rod top threaded connection has fastening nut.

Preferably, the guider comprises a circular plate, the circular plate is fixedly connected with the end part of the screw rod, a circular groove is formed in the edge of the circular plate, and a ball is arranged in the circular groove.

Preferably, the inner wall of the outer sleeve is provided with an annular groove, and a sealing ring is fixedly arranged in the annular groove.

Preferably, the outer sleeve outside fixed mounting has flexible lag, flexible lag corresponds with the bar hole position, be provided with the round hole that matches with the screw rod on the flexible lag.

Compared with the prior art, the utility model provides an electronic tail-gate lead screw of orthoscopic car possesses following beneficial effect:

1. this electronic tail-gate lead screw of orthoscopic car can remove U-shaped limiting plate through twisting fastening nut, and then adjusts the position of annular friction roller, and the rotational speed of lead screw can be controlled through the position control of annular friction roller, finally adjusts the flexible length of interior sheathed tube, is favorable to adjusting the promotion height of car tail-gate to this crowd that adapts to different heights, the suitability is stronger.

2. This electronic tail-gate lead screw of orthoscopic car through setting up flexible lag, is favorable to avoiding inside dust and rivers get into the outer tube, has improved the leakproofness, through setting up the sealing washer, is favorable to avoiding inside the water flow gap gets into the outer tube, has further improved sealing performance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural view of the guider of the present invention;

FIG. 4 is a schematic view of the connection structure between the annular friction roller and the rotating shaft of the present invention;

fig. 5 is a schematic structural view of the telescopic protective cover of the present invention.

Wherein: 1. an outer sleeve; 2. a strip-shaped hole; 3. a first separator; 4. a second separator; 5. a rotating shaft; 6. a tapered friction roller; 7. an annular friction roller; 8. a screw rod; 9. a nut pair; 10. an inner sleeve; 11. a motor; 12. a coupling; 13. a screw; 14. a limiting ring; 15. a U-shaped limiting plate; 16. fastening a nut; 17. a circular plate; 18. a ball bearing; 19. a seal ring; 20. a telescopic protective sleeve.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a linear electric tail gate screw rod for an automobile comprises an outer sleeve 1, a strip-shaped hole 2 is formed in the surface of the outer sleeve 1, a first partition plate 3 and a second partition plate 4 are fixedly arranged in the outer sleeve 1, a driver is arranged on the side, away from the second partition plate 4, of the first partition plate 3, the driver comprises a motor 11, the motor 11 is fixedly connected with the inner wall of the outer sleeve 1, an output shaft of the motor 11 is fixedly connected with a conical friction roller 6 through a coupling 12, a rotating shaft 5 and a conical friction roller 6 are arranged between the first partition plate 3 and the second partition plate 4, two ends of the conical friction roller 6 are respectively movably connected with the first partition plate 3 and the second partition plate 4, two ends of the rotating shaft 5 are respectively movably connected with the first partition plate 3 and the second partition plate 4, an annular friction roller 7 is slidably connected on the rotating shaft 5, the annular friction roller 7 is in contact with the conical friction roller 6 in an initial state, and the conical friction roller 6 can drive the annular friction roller 7 to rotate through friction force, in practical application, a sliding groove is formed in the rotating shaft 5, a sliding block is fixedly arranged on the inner side of the annular friction roller 7, an adjuster is arranged at the top of the rotating shaft 5, the adjuster comprises a screw 13, a limiting ring 14 is fixedly connected to the screw 13, a U-shaped limiting plate 15 is fixedly connected to the bottom end of the screw 13, the top end of the screw 13 penetrates through the strip-shaped hole 2 and extends to the outside of the outer sleeve 1, a fastening nut 16 is in threaded connection with the top end of the screw 13, the position of the U-shaped limiting plate 15 can be adjusted by screwing the fastening nut 16 through arranging the adjuster, the position of the annular friction roller 7 on the rotating shaft 5 is adjusted, a screw 8 is fixedly connected to one end of the rotating shaft 5, which is close to the second partition plate 4, a guider is arranged at the end part of the screw 8, the guider comprises a circular plate 17, the circular plate 17 is fixedly connected with the end part of the screw 8, a circular groove is formed in the edge of the circular plate 17, a ball 18 is arranged in the circular groove, and can support the end part of the screw 8, meanwhile, the friction force on the inner sleeve 10 is small, the screw rod 8 is provided with the nut pair 9, the outer side of the nut pair 9 is fixedly connected with the inner sleeve 10, and the inner sleeve 10 extends to the outside of the outer sleeve 1.

The inner wall of the outer sleeve 1 is provided with an annular groove, a sealing ring 19 is fixedly arranged in the annular groove, the sealing ring 19 is made of rubber materials, and the sealing ring 19 is arranged at the position close to the end part of the outer sleeve 1, so that the sealing performance is improved, and water is prevented from entering the inner part of the outer sleeve 1.

Outer tube 1 outside fixed mounting has flexible lag 20, flexible lag 20 corresponds with 2 positions in bar hole, be provided with the round hole that matches with screw rod 13 on the flexible lag 20, during the practical application, flexible lag 20 is made by the rubber material, flexible lag 20 cover is put on

outer tube

1, and 20 both ends of flexible lag and outer tube 1 fixed connection, screw rod 13 can run through the round hole and extend to the flexible lag 20 outside, can improve sealing performance after fastening nut 16 is fixed, avoid bar hole 2 inside to intake.

When in use, the starting motor 11 can drive the conical friction roller 6 to rotate through the coupling 12, and then the annular friction roller 7, the rotating shaft 5 and the screw rod 8 are driven to rotate by the friction force, and finally the nut pair 9 and the inner sleeve 10 can be driven to move so as to push the automobile tail door, when the height of the automobile tail gate needs to be adjusted, the position of the screw 13 is adjusted along the strip-shaped hole 2 after the fastening nut 16 is unscrewed, the annular friction roller 7 can be driven to slide on the rotating shaft 5 through the U-shaped limiting plate 15, the relative position of the annular friction roller 7 and the conical friction roller 6 is changed after the annular friction roller 7 moves, and then the transmission ratio is changed, so that when the conical friction roller 6 rotates at the same time, the rotating speed of the annular friction roller 7 is changed, further, the distance of movement of the nut pair 9 can be changed, and finally the extension distance of the inner tube 10 can be adjusted, thereby realizing height adjustment of the automobile tail gate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electronic tail-gate lead screw of orthoscopic car, includes outer tube (1), its characterized in that: the surface of the outer sleeve (1) is provided with a strip-shaped hole (2), a first baffle plate (3) and a second baffle plate (4) are fixedly arranged inside the outer sleeve (1), the first baffle plate (3) is far away from one side of the second baffle plate (4) and is provided with a driver, a rotating shaft (5) and a conical friction roller (6) are arranged between the first baffle plate (3) and the second baffle plate (4), two ends of the conical friction roller (6) are respectively movably connected with the first baffle plate (3) and the second baffle plate (4), two ends of the rotating shaft (5) are respectively movably connected with the first baffle plate (3) and the second baffle plate (4), an annular friction roller (7) is slidably connected on the rotating shaft (5), the top of the rotating shaft (5) is provided with a regulator, one end of the rotating shaft (5) close to the second baffle plate (4) is fixedly connected with a lead screw (8), the end part of the lead screw (8) is provided with a guider, the screw rod (8) is provided with a nut pair (9), the outer side of the nut pair (9) is fixedly connected with an inner sleeve (10), and the inner sleeve (10) extends to the outside of the outer sleeve (1).

2. The linear electric tail gate screw rod for the automobile according to claim 1, characterized in that: the driver comprises a motor (11), the motor (11) is fixedly connected with the inner wall of the outer sleeve (1), and an output shaft of the motor (11) is fixedly connected with the conical friction roller (6) through a coupler (12).

3. The linear electric tail gate screw rod for the automobile according to claim 1, characterized in that: the regulator includes screw rod (13), fixedly connected with spacing ring (14) on screw rod (13), screw rod (13) bottom fixedly connected with U-shaped limiting plate (15), bar hole (2) are run through and extend to outer tube (1) outside on screw rod (13) top, screw rod (13) top threaded connection has fastening nut (16).

4. The linear electric tail gate screw rod for the automobile according to claim 1, characterized in that: the guider comprises a circular plate (17), the circular plate (17) is fixedly connected with the end part of the screw rod (8), a circular groove is formed in the edge of the circular plate (17), and a ball (18) is arranged in the circular groove.

5. The linear electric tail gate screw rod for the automobile according to claim 1, characterized in that: the inner wall of the outer sleeve (1) is provided with an annular groove, and a sealing ring (19) is fixedly arranged in the annular groove.

6. The linear electric tail gate screw rod for the automobile according to claim 1, characterized in that: outer tube (1) outside fixed mounting has flexible lag (20), flexible lag (20) correspond with bar hole (2) position, be provided with the round hole that matches with screw rod (13) on flexible lag (20).