CN219029589U

CN219029589U - Electric tail wing power device and electric tail wing

Info

Publication number: CN219029589U
Application number: CN202320118494.8U
Authority: CN
Inventors: 唐峰; 薛松; 刘阳波
Original assignee: Suspa Nanjing Vibration Damping System Co ltd
Current assignee: Suspa Nanjing Vibration Damping System Co ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-05-16
Anticipated expiration: 2033-01-18

Abstract

The utility model discloses an electric tail power device and an electric tail, wherein the electric tail power device comprises a motor, a gear transmission mechanism and an output shaft, and the motor transmits power to the output shaft through the gear transmission mechanism; the gear transmission mechanism comprises a worm, a worm wheel, a first bevel gear and a second bevel gear, the output end of the motor is connected with the worm, the worm is meshed with the worm wheel, the worm is rotated to drive the worm wheel to rotate, meanwhile, the worm wheel is connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, and the rotation of the second bevel gear drives the output shaft to rotate. The worm and gear of the power device can be matched to achieve self-locking design, so that the requirement of multi-angle opening of the electric tail wing is met; meanwhile, the worm wheel and the first bevel gear can reduce the number of parts, reduce the requirement on matching precision and reduce the cost.

Description

Electric tail wing power device and electric tail wing

Technical Field

The utility model belongs to the technical field of electric tail wings, and particularly relates to an electric tail wing power device and an electric tail wing.

Background

In order to meet the angle requirements of different vehicle speeds, the electric tail wing of the automobile can be designed into an active electric tail wing, a power device of the electric tail wing comprises a gear box structure, two structures are arranged on a gear box of the active electric tail wing on the market, one structure is a planetary transmission gear box, and the gear box cannot be self-locked, so that the tail wing can only be self-locked in a connecting rod system, and the connecting rod system can only be self-locked in two positions, and the two positions correspond to a closing position and an opening position of the tail wing respectively; the second is a double worm and gear structure, such as the Chinese patent with the application number of 201580044425.5, and the tail wing can be made into a plurality of open positions due to the fact that the worm and gear can achieve self-locking, and different positions can correspond to different vehicle speeds. For example, the angle of opening the tail fin is smaller when the vehicle speed is low, the angle of opening the tail fin is larger when the vehicle speed is high, and the tail fin is opened to the maximum angle when the vehicle is braked. However, the gear box with double worm gears has high manufacturing cost, high requirement on matching precision and low transmission efficiency, and a novel power device needs to be designed.

Disclosure of Invention

The utility model aims to: the utility model aims to solve the technical problem of providing an electric tail power device and an electric tail aiming at the defects of the prior art.

In order to solve the technical problems, a first aspect discloses an electric tail wing power device, which comprises a motor, a gear transmission mechanism and an output shaft, wherein the motor transmits power to the output shaft through the gear transmission mechanism; the gear transmission mechanism comprises a worm, a worm wheel, a first bevel gear and a second bevel gear, the output end of the motor is connected with the worm, the worm is meshed with the worm wheel, the worm is rotated to drive the worm wheel to rotate, meanwhile, the worm wheel is connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, and the rotation of the second bevel gear drives the output shaft to rotate.

Further, the worm gear and the first bevel gear are integral. The integrated structure can be made into one part by one process, so that the number of parts can be reduced, the requirement on matching precision is lowered, and meanwhile, the cost is lowered.

Further, the worm gear is coupled to the first bevel gear.

Further, the output end of the motor is linked with the worm.

Further, the output end of the motor is connected with the worm through a rotating shaft, the rotating shaft comprises a first rotating shaft connecting part and a second rotating shaft connecting part, the first rotating shaft connecting part is connected with the output end of the motor, and the second rotating shaft connecting part is connected with one end of the worm. Because the fin is opened the time the required power is big, and the required power is little when closing, the electronic fin of this application can set up to open the direction worm at the fin and receive the power of keeping away from the motor direction, and the worm receives the power towards the motor direction in the fin closed direction. The worm of the power device is connected with the output end of the motor through the rotating shaft, so that the motor cannot receive axial force in the opening direction of the tail wing; in the fin closing direction, the motor can only receive small axial force, and the bearing requirement of the motor is effectively reduced.

Further, the first bearing and the second bearing are arranged at two ends of the worm. The first bearing and the second bearing can effectively support the worm.

The motor, the worm wheel, the first bevel gear and the second bevel gear are arranged between the upper shell and the lower shell; the output shaft is arranged in the upper casing, and two ends of the output shaft extend out of the upper casing.

Further, the worm gear and the first bevel gear rotate about a spindle positioned on the upper and lower housings.

Further, the up-down direction of the worm wheel is directly or indirectly positioned by the upper housing and the lower housing, and the first bevel gear is positioned between the upper housing and the lower housing through the spindle.

A second aspect discloses an electric tail comprising an electric tail power unit as described in any one of the preceding claims.

The beneficial effects are that:

the first-stage gear transmission mechanism of the power device is of a worm gear transmission structure, the second-stage gear transmission mechanism of the power device is of a bevel gear transmission structure, the worm gear and worm can be matched to be in self-locking design, the requirement of multi-angle opening of the electric tail wing is met, meanwhile, the worm and the motor output end are connected through a rotating shaft, so that large axial force can be avoided when the motor operates, the electric tail wing can be set to be in an opening direction, the worm is far away from the motor, and the worm is in a force towards the motor direction in a tail wing closing direction; when the worm wheel and the first bevel gear are integrated, the number of parts can be reduced, the requirement on matching precision is lowered, and meanwhile, the cost is lowered; the bevel gear transmission structure enables the transmission efficiency to be higher.

Drawings

The foregoing and/or other advantages of the utility model will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings and detailed description.

Fig. 1 is a perspective view of an electric tail power device according to an embodiment of the present application.

Fig. 2 is a front view of a motor of an electric tail power device according to an embodiment of the present application.

Fig. 3 is a perspective view of a rotating shaft of an electric tail power device according to an embodiment of the present application.

Fig. 4 is a perspective view of a worm of an electric tail power device according to an embodiment of the present application.

Fig. 5 is a perspective view of an electric tail power device according to an embodiment of the present application, including a lower housing.

Fig. 6 is a perspective view of an electric tail power device according to an embodiment of the present application, including an upper case and a lower case.

Fig. 7 is a cross-sectional view of an electric tail power device according to an embodiment of the present application, including upper and lower housings along a spindle.

Reference numerals: 21. a motor; 22. a worm; 221. a worm connection portion; 23. a worm wheel; 24. a first bevel gear; 25. a second bevel gear; 26. an output shaft; 27. a first bearing; 28. a second bearing; 29. a mandrel; 30. a rotating shaft; 301. a first rotating shaft connecting part; 302. a second rotation shaft connection part; 31. an upper housing; 32. a lower case; 33. and a housing.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings.

The first embodiment of the application discloses an electric tail wing power device, as shown in fig. 1, comprising a motor 21, a gear transmission mechanism and an output shaft 26, wherein the motor 21 transmits power to the output shaft 26 through the gear transmission mechanism; the gear transmission mechanism comprises a worm 22, a worm wheel 23, a first bevel gear 24 and a second bevel gear 25, wherein the output end of the motor 21 is connected with the worm 22, the worm 22 is meshed with the worm wheel 23, the self-locking effect can be achieved, the worm 22 rotates to drive the worm wheel 23 to rotate, meanwhile, the worm wheel 23 is connected with the first bevel gear 24, the first bevel gear 24 is meshed with the second bevel gear 25, and the rotation of the second bevel gear 25 drives the output shaft 26 to rotate. The first bevel gear 24 is arranged at 90 ° to the second bevel gear 25, preferably with the output shaft 26 being arranged parallel to the direction of arrangement of the motor 21.

In an alternative implementation, the worm gear 23 and the first bevel gear 24 are integral.

In another alternative implementation, worm gear 23 is coupled to first bevel gear 24.

In this embodiment, the output end of the motor 21 is linked with the worm 22.

As shown in fig. 2, the output end of the motor 21 is connected to the worm 22 through a rotation shaft 30, and as shown in fig. 3, the rotation shaft 30 includes a first rotation shaft connection portion 301 and a second rotation shaft connection portion 302, the first rotation shaft connection portion 301 is connected to the output end of the motor 21, and the second rotation shaft connection portion 302 is connected to one end of the worm 22. In this embodiment, the output end of the motor 21 is provided with a square hole, one end of the worm 22 is provided with a square hole, that is, the worm connection part 221 shown in fig. 4, the first rotation shaft connection part 301 and the second rotation shaft connection part 302 are square shafts, the first rotation shaft connection part 301 is installed in the square hole of the output end of the motor 21, and the second rotation shaft connection part 302 is installed in the square hole of one end of the worm 22.

As shown in fig. 2, in the present embodiment, the worm 22 is provided with a first bearing 27 and a second bearing 28 at both ends.

In this embodiment, as shown in fig. 5, 6 and 7, the motor drive device further comprises a housing 33, wherein the housing 33 comprises an upper housing 31 and a lower housing 32, the upper housing 31 and the lower housing 32 are fixedly connected, and the motor 21, the worm 22, the worm wheel 23, the first bevel gear 24 and the second bevel gear 25 are arranged between the upper housing 31 and the lower housing 32; the output shaft 26 is disposed in the upper housing 31, and both ends thereof protrude from the upper housing 31.

In the present embodiment, as shown in fig. 1, the worm wheel 23 and the first bevel gear 24 rotate around the spindle 29, and as shown in fig. 7, the spindle 29 is positioned on the upper casing 31 and the lower casing 32, and the up-down direction of the worm wheel 23 is directly or indirectly positioned by the upper casing 31 and the lower casing 32. First bevel gear 24 is positioned between upper housing 31 and lower housing 32 by arbor 29.

A second embodiment of the present application discloses an electric tail comprising an electric tail power device as described in any of the above. The other parts of the electric tail are in the prior art, the connection relationship between the other parts and the power device are in the prior art, and the embodiment is not particularly limited.

The utility model provides an electric tail power device and an electric tail, and the method and the way for realizing the technical scheme are numerous, the above description is only a specific embodiment of the utility model, and it should be pointed out that, for a person skilled in the art, several improvements and modifications can be made without departing from the principle of the utility model, and the improvements and modifications should also be regarded as the protection scope of the utility model. The components not explicitly described in this embodiment can be implemented by using the prior art.

Claims

1. An electric tail power device is characterized in that: the motor (21) transmits power to the output shaft (26) through the gear transmission mechanism; the gear transmission mechanism comprises a worm (22), a worm wheel (23), a first bevel gear (24) and a second bevel gear (25), wherein the output end of the motor (21) is connected with the worm (22), the worm (22) is meshed with the worm wheel (23), the worm wheel (23) is driven to rotate by rotation of the worm (22), meanwhile, the worm wheel (23) is connected with the first bevel gear (24), the first bevel gear (24) is meshed with the second bevel gear (25), and the output shaft (26) is driven to rotate by rotation of the second bevel gear (25).

2. An electric tail power unit as claimed in claim 1, wherein: the worm wheel (23) and the first bevel gear (24) are integrated.

3. An electric tail power unit as claimed in claim 1, wherein: the worm wheel (23) is linked with the first bevel gear (24).

4. An electric tail power unit as claimed in claim 2 or 3, wherein: the output end of the motor (21) is linked with the worm (22).

5. An electric tail power unit as claimed in claim 4, wherein: the output end of the motor (21) is connected with the worm (22) through a rotating shaft (30), the rotating shaft (30) comprises a first rotating shaft connecting part (301) and a second rotating shaft connecting part (302), the first rotating shaft connecting part (301) is connected with the output end of the motor (21), and the second rotating shaft connecting part (302) is connected with one end of the worm (22).

6. An electric tail power unit as claimed in claim 5, wherein: the worm (22) is provided with a first bearing (27) and a second bearing (28) at both ends.

7. An electric tail power unit as claimed in claim 6, wherein: the motor (21), the worm (22), the worm wheel (23), the first bevel gear (24) and the second bevel gear (25) are arranged between the upper shell (31) and the lower shell (32); the output shaft (26) is arranged in the upper casing (31), and two ends of the output shaft extend out of the upper casing (31).

8. An electric tail power unit as claimed in claim 7, wherein: the worm wheel (23) and the first bevel gear (24) rotate around a spindle (29), said spindle (29) being positioned on an upper housing (31) and a lower housing (32).

9. An electric tail power unit as claimed in claim 8, wherein: the worm wheel (23) is positioned directly or indirectly in the up-down direction by an upper housing (31) and a lower housing (32), and the first bevel gear (24) is positioned between the upper housing (31) and the lower housing (32) through a spindle (29).

10. An electric tail wing, characterized in that: an electric tail power unit comprising the electric tail power unit of any one of claims 1-9.