CN111746674A

CN111746674A - Electric tail wing

Info

Publication number: CN111746674A
Application number: CN202010763148.6A
Authority: CN
Inventors: 吴贲华; 伍建; 邹彪; 孙小冈; 顾峰; 谢赟; 金纯�; 李征
Original assignee: Jiangsu Qida Electromechanical Co ltd
Current assignee: Jiangsu Qida Electromechanical Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2020-10-09

Abstract

The utility model relates to an electric tail wing, including tail wing body and at least one electric lift device, every electric lift device and this body coupling of tail wing, every electric lift device includes the base, drive assembly and lifting unit, drive assembly sets up in the base, drive assembly is connected with drive assembly, drive assembly includes lead screw and interlock spare, the lead screw activity sets up in the base, the interlock spare slides and sets up in the lead screw, lifting unit is connected with drive assembly, lifting unit includes driving part and follower, the one end and the follower of driving part rotate to be connected, the other end and the interlock spare of driving part are connected, the one end and the base of follower rotate to be connected, the other end and the tail wing body coupling of follower. This application drives lifting unit through drive assembly's lead screw and goes up and down and drive the fin body and go up and down, because lead screw transmission precision is high, moves steadily, and does not have the phenomenon of crawling, so can avoid electronic fin can produce the phenomenon of shake because of the influence that receives road conditions and wind-force when going up and down.

Description

Electric tail wing

Technical Field

The application relates to the technical field of auto-parts, in particular to an electric empennage.

Background

The automobile tail belongs to a part of an aerodynamic external member. The automobile tail fin has the effects that when an automobile runs at a high speed, air resistance forms downward pressure, lift force is counteracted as much as possible, the downward pressure of airflow is effectively controlled, the wind resistance coefficient is correspondingly reduced, the stability of the high-speed running of the automobile is improved, and the tail fin can reduce the air resistance of the automobile, so that the high-speed automobile is additionally provided with the tail fin to save fuel oil. In reality, car owners do not like installing the high-level tail wing, and most car owners choose to install the electric tail wing because the lifting or descending of the aerodynamic wing plate can be controlled according to the speed of the car. However, when the electric empennage is lifted, the electric empennage is often shaken under the influence of road conditions and wind power.

Disclosure of Invention

The embodiment of the application provides an electric tail wing, and the problem that the existing electric tail wing shakes under the influence of road conditions and wind power when ascending and descending is solved.

In order to solve the above technical problem, the present application is implemented as follows:

in a first aspect, there is provided an electric tail fin comprising: fin body and at least one electric lift device, every electric lift device and this body coupling of fin, every electric lift device includes: a base; the driving assembly is arranged on the base; the transmission assembly is connected with the driving assembly and comprises a screw rod and a linkage piece, the screw rod is movably arranged on the base, and the linkage piece is arranged on the screw rod in a sliding manner; the lifting assembly is connected with the transmission assembly and comprises a driving part and a driven part, one end of the driving part is rotatably connected with the driven part, the other end of the driving part is connected with the linkage part, one end of the driven part is rotatably connected with the base, and the other end of the driven part is connected with the tail wing body; the driving assembly drives the lifting assembly to lift through the transmission assembly, the screw rod drives the linkage part to slide, the linkage part drives the driven part to rotate by taking the rotating connecting end of the driven part and the base as an axis through the driving part, and the driven part drives the tail wing body to lift.

In a first possible implementation manner of the first aspect, the driven member has two hinge rods, the two hinge rods are spaced apart along a sliding direction of the linkage member, one end of each of the two hinge rods is rotatably connected to the base, and one end of the driven member includes the two hinge rods.

With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the driven member further has a tail connecting plate, the other ends of the two hinge rods are connected with the tail connecting plate, the tail connecting plate is connected with the tail body, and the other end of the driven member includes the tail connecting plate.

With reference to the first possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, one end of the active component is rotatably connected to one of the hinge rods, and a triangle is formed between the active component, the base, and one of the hinge rods.

In a fourth possible implementation manner of the first aspect, the transmission assembly includes a worm and a gear, the worm is connected with the driving assembly, the gear is respectively engaged with the worm and the screw rod, and the driving assembly drives the screw rod to rotate through the worm and the gear.

In a fifth possible implementation manner of the first aspect, the transmission assembly includes a ball bearing, the ball bearing is disposed on a base, one end of the lead screw is disposed on the ball bearing, the base has a groove corresponding to the lead screw, and the other end of the lead screw is disposed in the groove.

In a sixth possible implementation manner of the first aspect, the driving assembly includes a driving member, and the driving member is disposed on the base and connected to the transmission assembly.

In a seventh possible implementation manner of the first aspect, each electric lifting device further includes two micro switches, the two micro switches are disposed on the base and located at a start end and an end of the linkage part respectively, each micro switch is electrically connected to the driving assembly, a boss corresponding to the micro switch is disposed on the linkage part, the linkage part moves to the start end or the end, the boss contacts with the micro switch, and the micro switch controls the driving assembly to stop.

In an eighth possible implementation manner of the first aspect, each electric lifting device further includes a gland, and the gland covers the base and covers the driving assembly.

In a ninth possible implementation manner of the first aspect, the number of the electric lifting devices is two.

Compared with the prior art, the application has the advantages that:

the utility model provides an electronic fin drives lifting unit through drive assembly's lead screw and goes up and down and drive the fin body and go up and down, because the lead screw transmission precision is high, moves steadily, and does not have the phenomenon of crawling, so can avoid electronic fin can produce the phenomenon of shaking because of receiving the influence of road conditions and wind-force when going up and down.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of an electric tail according to an embodiment of the present application;

FIG. 2 is a partial schematic view of an electric tail according to an embodiment of the present application;

fig. 3 and 4 are partial schematic views of an electric lifting device according to an embodiment of the present application;

FIG. 5 is a schematic view of a connection between a drive assembly and a transmission assembly according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 and 2, fig. 1 is a schematic view of an electric tail according to an embodiment of the present application, and fig. 2 is a partial schematic view of the electric tail according to the embodiment of the present application; as shown in the figures, the electric tail 1 includes a tail body 2 and at least one electric lifting device 3, each electric lifting device 3 is connected to the tail body 2, in this embodiment, as shown in fig. 1, the number of the electric lifting devices 3 is two, the two electric lifting devices 3 are symmetrically disposed on two sides below the tail body 2, and in other embodiments, the number of the electric lifting devices 3 may also be one or more than two.

Please refer to fig. 3, which is a partial schematic view of an electric lifting device according to an embodiment of the present application; as shown in the drawings, each of the electric lifting devices 3 includes a base 31, a driving assembly 32, a transmission assembly 33 and a lifting assembly 34, the driving assembly 32 is disposed on the base 31, in this embodiment, the driving assembly 32 is disposed on the base 31 through a pressing cover 36, specifically, as shown in fig. 1 and 2, the pressing cover 36 covers the base 31 and covers the driving assembly 32, the pressing cover 36 may correspond to the contour, shape and structure of the base 31, and the pressing cover 36 may be fixed to a portion of the base 31 to cover the driving assembly 32. The driving assembly 32 includes a driving member 321, the driving member 321 is disposed on the base 31 and connected to the transmission assembly 33, as shown in fig. 3, the driving member 321 is located at the rear end of the left side of the base 31, and the driving member 321 uses a motor, but not limited thereto.

Referring to fig. 3 again, the transmission assembly 33 is connected to the driving assembly 32, the transmission assembly 33 includes a screw 331 and a linkage 332, the screw 331 is movably disposed on the base 31, where the movable disposition means that the screw 331 can be driven by the driving assembly 32 to rotate, in this embodiment, the transmission assembly 33 further includes a ball bearing 335, the ball bearing 335 is disposed on the base 31, one end of the screw 331 is disposed on the ball bearing 335, the base 31 has a recess 311 corresponding to the screw 331, and the other end of the screw 331 is disposed in the recess 311, so that the screw 331 is movably disposed on the base 31, as shown in fig. 3, the ball bearing 335 is disposed at the rear end of the base 31 and located at the right side of the driving member 321, the recess 311 is disposed at the lower end of the base 31 and opposite to the ball bearing 335, and the screw 331. The linking component 332 is slidably disposed on the lead screw 331, where the sliding is that the linking component 332 can rotate through the lead screw 331 to slide linearly along the lead screw 331.

The lifting assembly 34 is connected with the transmission assembly 33, and the driving assembly 32 drives the lifting assembly 34 to lift through the transmission assembly 33. Referring to fig. 1 and 2 again, the lifting assembly 34 includes a driving element 341 and a driven element 342, one end of the driving element 341 is rotatably connected to the driven element 342, the other end of the driving element 341 is connected to the linking element 332, the driving element 341 is driven by the linking element 332 to move, the linking element 332 drives one end of the driving element 341 to move along with the linking element when sliding linearly along the screw rod 331, so that the other end of the driving element 341 moves in an inclined lifting manner. One end of the driven member 342 is rotatably connected to the base 31, the other end of the driven member 342 is connected to the tail body 2, and when the other end of the driving member 341 moves in an inclined elevation type, the other end of the driven member 342 is driven to rotate around one end thereof as an axis to drive the driven member 342 to ascend and descend, so that the driven member 342 drives the tail body 2 to ascend and descend.

When the electric tail wing 1 is driven to ascend and descend, the driving component 32 drives the screw rod 331 of the transmission component 33 to rotate, the screw rod 331 drives the linkage component 332 to linearly slide, the linkage component 332 drives one end of the driving component 341 to move, the other end of the driving component 341 is in an inclined ascending and descending type to move, so that the driven component 342 is driven to rotate by taking the rotating connecting end of the driven component and the base 31 as an axis, the tail wing body 2 is driven to ascend and descend by the driven component 342, the effect that the lifting component 34 is driven to ascend and descend by the screw rod 331 of the transmission component 33 to drive the tail wing body 2 to ascend and descend is achieved, the screw rod 331 is high in transmission precision, stable in movement and free of creeping phenomenon, and the phenomenon that the electric tail wing

The details of the transmission assembly 33, the driven member 342 and the driving member 341 are described in detail below. Referring to fig. 3 and 5, fig. 5 is a schematic view illustrating a connection between a driving assembly and a transmission assembly according to an embodiment of the present application; as shown in the figure, the transmission assembly 33 includes a worm 333 and a gear 334, the worm 333 is connected to the driving assembly 32, the gear 334 is respectively engaged with the worm 333 and the screw rod 331, the driving assembly 32 drives the screw rod 331 to rotate through the worm 333 and the gear 334, in this embodiment, as shown in fig. 5, the worm 333 is connected to an output shaft of the driving element 321, an extending direction of the worm 333 is orthogonal to an extending direction of the screw rod 331, the worm 333 is located above the screw rod 331, the gear 334 is sleeved on an end portion of the screw rod 331 and is engaged with the screw rod 331 with internal teeth, the gear 334 is engaged with the worm 333 with external teeth, the driving element 321 drives the gear 334 to rotate by driving the worm 333 to rotate, and then drives.

Referring to fig. 2 and 4 together, fig. 4 is a partial schematic view of an electric lifting device according to an embodiment of the present application; as shown in the figure, the driven member 342 has two hinge rods 3421, the two hinge rods 3421 are spaced along the sliding direction of the linking member 332, one end of the two hinge rods 3421 is rotatably connected to the base 31, and one end of the driven member 342 includes the two hinge rods 3421. The follower 342 further has a tail connecting plate 3422, the other ends of the two hinge rods 3421 are connected to the tail connecting plate 3422, the tail connecting plate 3422 is connected to the tail body 2, and the other end of the follower 342 includes the tail body 2. in this embodiment, one end of each of the two hinge rods 3421 is inserted into the support 312 of the base 31 by a pin and is rotatably connected to the base 31, the other end of each of the two hinge rods 3421 is inserted into the tail connecting plate 3422 by a pin and is rotatably connected to the tail connecting plate 3422, and the tail connecting plate 3422 is fixedly connected to the tail body 2 by a screw.

One end of the driving element 341 is rotatably connected to one of the hinge rods 3421, as shown in fig. 4, the driving element 341 is rotatably connected to the right hinge rod 3421, in this embodiment, a circular hole is formed in the middle of the right hinge rod 3421, and one end of the driving element 341 is rotatably connected to the right hinge rod 3421 by a pin passing through the circular hole. The driving member 341 also uses a hinge rod, but the invention is not limited thereto. A triangle is formed among the driving part 341, the base 31 and one hinge rod 3421, and the stability of the lifting assembly 34 during lifting is improved by the triangle stability principle, as shown in fig. 4, a triangle is formed among the driving part 341, the base 31 and the hinge rod 3421 on the right side.

Specifically, when the driving component 32 drives the lifting component 34 to descend through the transmission component 33, as shown in fig. 4, the screw 331 drives the linkage component 332 to slide from right to left, the linkage component 332 drives the driving component 341 and the connecting end of the linkage component 332 to move left, the driving component 341 and the connecting end of the right hinge rod 3421 move down and simultaneously drive the right hinge rod 3421 to rotate left, and the right hinge rod 3421 simultaneously drives the left hinge rod 3421 to rotate left through the tail connecting plate 3422, so as to realize the descent of the lifting component 34, it should be understood that the above description only takes the actuating manner when the lifting component 34 descends as an example to illustrate the actuating manner of the lifting component 34.

In this embodiment, referring to fig. 3 again, each of the electric lifting devices 3 further includes two micro switches 35, the two micro switches 35 are disposed on the base 31, and the two micro switches 35 are disposed at the start end S1 and the end S2 of the linkage 332 according to the displacement stroke of the linkage 332. As shown in fig. 1, the start end S1 is located at the rear end of the base 31, the end S2 is located at the front end of the base 31, and the two micro switches 35 are located at the left side of the screw 331, but not limited thereto. Each micro switch 35 is electrically connected to the driving element 32, and the linking member 332 has a boss 3321 corresponding to the micro switch 35, in the embodiment, the boss 3321 is a triangular boss, but is not limited thereto. The micro switch 35 is used for sensing the position of the linkage 332, the linkage 332 moves to the start end S1 or the end S2, the boss 3321 contacts the micro switch 35, and the micro switch 35 controls the driving assembly 32 to stop, so that the driving assembly 32 is automatically controlled to stop, the control is more convenient, and the operation stability is improved.

To sum up, this application provides an electronic fin, the lead screw through drive assembly drives the lifting unit and goes up and down and drive the fin body and go up and down, because the lead screw transmission precision is high, moves steadily, and does not have the phenomenon of crawling, so can avoid electronic fin can produce the phenomenon of shake because of the influence that receives road conditions and wind-force when going up and down. The lifting assembly comprises a driving part and a driven part, wherein the driven part is provided with two hinge rods, a triangle is formed among the driving part, the base and one of the hinge rods, and the stability of the lifting assembly during lifting is improved by utilizing the triangle stability principle, so that the whole mechanism can stably run. Simultaneously this application still is provided with micro-gap switch, utilizes micro-gap switch control drive assembly, makes the electronic fin control of this application more simple, convenient, improves operating stability.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An electric tail fin, comprising:

fin body and at least one electric lift device, every electric lift device with this body coupling of fin, every electric lift device includes:

a base;

the driving assembly is arranged on the base;

the transmission assembly is connected with the driving assembly and comprises a screw rod and a linkage piece, the screw rod is movably arranged on the base, and the linkage piece is arranged on the screw rod in a sliding manner;

the lifting assembly is connected with the transmission assembly and comprises a driving part and a driven part, one end of the driving part is rotatably connected with the driven part, the other end of the driving part is connected with the linkage part, one end of the driven part is rotatably connected with the base, and the other end of the driven part is connected with the empennage body;

the driving assembly drives the lifting assembly to lift through the transmission assembly, the lead screw drives the linkage part to slide, the linkage part drives the driven part to rotate by taking the rotating connecting end of the driven part and the base as an axis through the driving part, and the driven part drives the tail wing body to lift.

2. The electric rear wing as claimed in claim 1, wherein the driven member has two hinge rods spaced apart along a sliding direction of the linking member, one end of the two hinge rods is rotatably connected to the base, and one end of the driven member includes the two hinge rods.

3. The electric rear wing as claimed in claim 2, wherein the driven member further has a rear wing connection plate to which the other ends of the two hinge rods are connected, the rear wing connection plate being connected to the rear wing body, and the other end of the driven member including the rear wing connection plate.

4. The electric rear wing as claimed in claim 2, characterized in that one end of the active member is rotatably connected to one of the hinge rods, and a triangle is formed between the active member, the base and one of the hinge rods.

5. The electric tail wing according to claim 1, wherein the transmission assembly comprises a worm and a gear, the worm is connected with the driving assembly, the gear is respectively meshed with the worm and the screw rod, and the driving assembly drives the screw rod to rotate through the worm and the gear.

6. The electric rear wing according to claim 1, characterized in that the transmission assembly comprises a ball bearing, the ball bearing is arranged in the base, one end of the screw is arranged in the ball bearing, the base has a groove corresponding to the screw, and the other end of the screw is arranged in the groove.

7. The motorized tail of claim 1, wherein the drive assembly includes a drive member disposed on the base and coupled to the transmission assembly.

8. The electric tail wing according to claim 1, wherein each of the electric lifting devices further comprises two microswitches, the two microswitches are disposed on the base and respectively located at a start end and an end of the linkage, each of the microswitches is electrically connected to the driving assembly, a boss corresponding to the microswitches is disposed on the linkage, the linkage moves to the start end or the end, the boss contacts with the microswitches, and the microswitches control the driving assembly to stop.

9. The motorized tail of claim 1, wherein each of the motorized lift devices further comprises a gland that is housed in the base and that encases the drive assembly.

10. Electric tail according to claim 1, characterized in that the number of electric lifting devices is two.