CN215706723U - Electric empennage system with elastic balancing device and automobile - Google Patents

Abstract

The present disclosure provides an electric tail system with elastic balancing means, comprising: a tail wing; a driving device including a driving shaft through which the driving device outputs a driving motion, and an executing device capable of transmitting the driving motion output by the driving device to the tail wing so that the tail wing performs a first motion or a second motion; the driving shaft is provided with at least one elastic balance device, when the tail wing performs a first action, the elastic balance device releases elastic potential energy, and when the tail wing performs a second action, the elastic balance device accumulates the elastic potential energy. The present disclosure also provides an automobile.

Description

Electric empennage system with elastic balancing device and automobile

Technical Field

The utility model belongs to the technical field of electronic fin, this disclosure especially relates to an electronic fin system and car with elastic balancing unit.

Background

Along with the increasingly wide application of automobile lightweight technology, whole car weight is lighter more and more, leads to the car to grab the land fertility inadequately when going at high speed for the maneuverability of whole car descends, can lead to the vehicle out of control and take place the traffic accident when serious.

Therefore, electric empennage systems capable of automatically adjusting positions according to vehicle speeds are increasingly widely used. The electric empennage system needs to adjust the position of the empennage according to the speed of the vehicle. When the vehicle runs at low speed, the tail wing is retracted, so that the wind resistance is reduced, and the oil consumption is improved; along with the improvement of vehicle speed, the fin progressively rises, improves vehicle aerodynamic performance, promotes controllability and high-speed driving safety. The structure and performance of the electric empennage system in the prior art are still not perfect.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, the present disclosure provides an electric tail system having an elastic balancing device and an automobile.

The electric empennage system with the elastic balancing device and the automobile are realized through the following technical scheme.

According to one aspect of the present disclosure, there is provided an electric tail system having a resilient balancing device, comprising: a tail wing; a drive device including a drive shaft via which the drive device outputs a drive motion, and an execution device capable of transmitting the drive motion output by the drive device to the tail wing so that the tail wing performs a first motion or a second motion; the driving shaft is provided with at least one elastic balance device, when the tail wing performs the first action, the elastic balance device releases elastic potential energy, and when the tail wing performs the second action, the elastic balance device accumulates the elastic potential energy.

The electric tail system with elastic balancing device according to at least one embodiment of the present disclosure further comprises a base on which the driving device and the actuating device are arranged.

An electric tail system having an elastic balancing device according to at least one embodiment of the present disclosure includes an elastic part, a first fixing part fixing a first end of the elastic part to the driving shaft, and a second fixing part fixing a second end of the elastic part to the base.

According to the electric empennage system with the elastic balancing device, the elastic part is a spring, and the spring is sleeved on the driving shaft.

According to at least one embodiment of the present disclosure, the electric tail system with elastic balancing means further comprises a spring support portion disposed between the spring and the drive shaft.

According to at least one embodiment of the present disclosure, the electric tail system with elastic balancing means, the spring support is a rib-like structure.

According to the electric empennage system with the elastic balancing device, the spring supporting part is sleeved on the driving shaft and can rotate relative to the driving shaft.

According to at least one embodiment of the present disclosure, the electric tail system has two elastic balancing means, which are respectively disposed adjacent to the two output ends of the driving shaft 302.

According to at least one embodiment of the present disclosure, the electric tail system with elastic balancing means, the actuating means comprise a first actuator and a second actuator.

According to at least one embodiment of the present disclosure, the electric tail system with elastic balancing device, the first actuator and the second actuator are symmetrically arranged.

According to at least one embodiment of the present disclosure, the electric tail system with elastic balancing means, the drive shaft comprises a first output end connected with the first actuator and a second output end connected with the second actuator.

According to at least one embodiment of the present disclosure, the electric tail system having the elastic balancing device includes a tail first end portion to which the driving motion output from the driving device is transmitted and a tail second end portion to which the driving motion output from the driving device is transmitted by the first actuator.

According to at least one embodiment of the present disclosure, the electric tail system with elastic balancing means, the base comprises a first concave portion for mounting the first actuator and a second concave portion for mounting the second actuator.

According to the electric tail system having the elastic balancing means in accordance with at least one embodiment of the present disclosure, the first concave portion is provided with a first through hole through which the first output end portion of the driving shaft enters the first concave portion to be connected with the first actuator, and the second concave portion is provided with a second through hole through which the second output end portion of the driving shaft enters the second concave portion to be connected with the second actuator.

According to the electric empennage system with the elastic balancing device, the driving device further comprises a wiring harness plug connector, the wiring harness plug connector is used for being connected with a vehicle control unit outside the electric empennage system, and the driving device outputs driving action based on a control signal of the vehicle control unit.

According to at least one embodiment of the present disclosure, the first action is a raising action and the second action is a lowering action.

According to another aspect of the present disclosure, there is provided an automobile including: an electrical tail system having a resilient counterbalancing means as claimed in any one of the preceding claims.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

FIG. 1 is an exploded schematic view of an electric tail system with a spring-balanced device according to one embodiment of the present disclosure.

Fig. 2 is a partial structural schematic view from one perspective of an electric tail system having a resilient balancing device according to one embodiment of the present disclosure.

FIG. 3 is a partial schematic structural view from another perspective of an electric tail system having a resilient balancing device according to one embodiment of the present disclosure.

Fig. 4 is one of the structural schematic diagrams of the base of the electric tail system with elastic balancing means according to one embodiment of the present disclosure.

Fig. 5 is a second schematic structural view of the base of the electrical tail system with elastic balancing means according to an embodiment of the present disclosure.

Fig. 6 is an assembly view of an electric tail system with a resilient balancing device according to one embodiment of the present disclosure.

Fig. 7 is one of the structural schematic diagrams of the driving apparatus of the electric tail system having the elastic balancing means according to one embodiment of the present disclosure.

Fig. 8 is a second schematic structural view of a drive unit of an electric tail system with elastic balancing means according to an embodiment of the present disclosure.

Fig. 9 is an enlarged schematic view of the configuration of the first output end of the drive of the electric tail system with elastic balancing means according to one embodiment of the present disclosure.

FIG. 10 is one of the schematic partial structural views of an electric tail system with a resilient balancing device according to one embodiment of the present disclosure.

Fig. 11 and 12 are enlarged views of the structures of the regions a and B in fig. 10, respectively.

Fig. 13 is a second partial schematic structural view of an electric tail system with a resilient balancing means according to an embodiment of the present disclosure.

Fig. 14 is a third schematic structural view of a driving device of an electric tail system having an elastic balancing device according to an embodiment of the present disclosure.

Description of the reference numerals

10 base

20 first actuator

30 drive device

40 tail wing

50 second actuator

60 elastic balancing device

100 electric tail system

101 first concave part

102 second concave part

103 first water discharging part

104 second water discharge part

105 drive unit mounting part

106 first through hole

107 second through hole

301 wire harness connector

302 drive shaft

303 bulkhead part

304 card slot part

305 switching part

306 electric machine unit

307 gear assembly

401 tail first end

402 tail second end

601 first fixed part

602 second fixed part

603 elastic part

604 spring support

3021 first output terminal

3022 second output terminal

30211 it has special-shaped structure.

Detailed Description

The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. Technical solutions of the present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Unless otherwise indicated, the illustrated exemplary embodiments/examples are to be understood as providing exemplary features of various details of some ways in which the technical concepts of the present disclosure may be practiced. Accordingly, unless otherwise indicated, features of the various embodiments may be additionally combined, separated, interchanged, and/or rearranged without departing from the technical concept of the present disclosure.

The use of cross-hatching and/or shading in the drawings is generally used to clarify the boundaries between adjacent components. As such, unless otherwise noted, the presence or absence of cross-hatching or shading does not convey or indicate any preference or requirement for a particular material, material property, size, proportion, commonality between the illustrated components and/or any other characteristic, attribute, property, etc., of a component. Further, in the drawings, the size and relative sizes of components may be exaggerated for clarity and/or descriptive purposes. While example embodiments may be practiced differently, the specific process sequence may be performed in a different order than that described. For example, two processes described consecutively may be performed substantially simultaneously or in reverse order to that described. In addition, like reference numerals denote like parts.

When an element is referred to as being "on" or "on," "connected to" or "coupled to" another element, it can be directly on, connected or coupled to the other element or intervening elements may be present. However, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element, there are no intervening elements present. For purposes of this disclosure, the term "connected" may refer to physically, electrically, etc., and may or may not have intermediate components.

For descriptive purposes, the present disclosure may use spatially relative terms such as "below … …," below … …, "" below … …, "" below, "" above … …, "" above, "" … …, "" higher, "and" side (e.g., "in the sidewall") to describe one component's relationship to another (other) component as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below … …" can encompass both an orientation of "above" and "below". Further, the devices may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when the terms "comprises" and/or "comprising" and variations thereof are used in this specification, the presence of stated features, integers, steps, operations, elements, components and/or groups thereof are stated but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groups thereof. It is also noted that, as used herein, the terms "substantially," "about," and other similar terms are used as approximate terms and not as degree terms, and as such, are used to interpret inherent deviations in measured values, calculated values, and/or provided values that would be recognized by one of ordinary skill in the art.

The electric tail system having the elastic balancing means of the present disclosure will be described in detail with reference to fig. 1 to 14.

Referring first to fig. 1 to 4, an electric empennage system 100 with elastic balancing means according to one embodiment of the present disclosure includes: a tail fin 40; a driving device 30, the driving device 30 including a driving shaft 302, the driving device 30 outputting a driving motion via the driving shaft 302, and an actuating device capable of transmitting the driving motion output from the driving device 30 to the rear wing 40 so that the rear wing 40 performs a first motion or a second motion.

Wherein the driving shaft 302 is provided with at least one elastic balance device 60, the elastic balance device 60 releases elastic potential energy when the tail fin 40 performs a first motion, and the elastic balance device 60 accumulates elastic potential energy when the tail fin 40 performs a second motion.

The electric tail system 100 of the present disclosure can perform the first action (lift action) and the second action (recovery action) on the tail 40 by providing at least one elastic balancing device 60 on the driving shaft 302, so that the driving force applied to the tail 40 is more balanced and the torque output of the driving device 30 is more smooth.

With the electric tail system 100 with elastic balancing means of the above described embodiment, further comprising a base 10, the driving means 30 and the actuating means are arranged on the base 10.

With respect to the electric tail system 100 having the elastic balancing means of the above-described respective embodiments, referring to fig. 2 and 3, preferably, the elastic balancing means 60 includes an elastic portion 603, a first fixing portion 601 and a second fixing portion 602, the first fixing portion 601 fixing a first end of the elastic portion 603 to the driving shaft 302, and the second fixing portion 602 fixing a second end of the elastic portion 603 to the base 10.

Here, the first fixing portion 601 is preferably a sheet structure fixedly sleeved on the driving shaft 302, and the sheet structure may have a sealing property.

Wherein the second fixing portion 602 is preferably a cylinder fixedly disposed on the base 10. Those skilled in the art can adjust the structures of the first fixing portion 601 and the second fixing portion 602, etc. in light of the disclosure.

With the above-described configuration, when the driving shaft 302 rotates, the first end of the elastic portion 603 follows the movement of the driving shaft 302, the second end of the elastic portion 603 does not follow the movement of the driving shaft 302, and the elastic portion 603 can release and accumulate elastic potential energy during the first movement (the raising movement) and the second movement (the recovering movement) of the tail 40.

With the electric tail system 100 having the elastic balancing means of the above embodiments, it is preferable that the elastic portion 603 is a spring, and the spring is sleeved on the driving shaft 302.

According to a preferred embodiment of the present disclosure, referring to fig. 2 and 3, the elastic balancing means 60 further comprises a spring support 604, the spring support 604 being arranged between the spring and the drive shaft 302.

By the arrangement of the spring support 604 is arranged such that play of the spring in the radial direction of the drive shaft 302 is avoided as much as possible.

According to a preferred embodiment of the present disclosure, the spring support 604 is a rib-like structure.

Referring to fig. 2 and 3, the spring support 604 is preferably designed as a rib-like structure, so that the spring support 604 itself has a certain elasticity.

According to the preferred embodiment of the present disclosure, the spring support 604 is sleeved on the driving shaft 302, and the spring support 604 can rotate relative to the driving shaft 302.

In certain embodiments of the present disclosure, the elasticity of the spring support 604 may be set such that the spring support 604 follows the action of the spring 604.

With the electric tail system 100 having the elastic balancing means of each of the above embodiments, it is preferable that the number of the elastic balancing means 60 is two, and they are respectively disposed adjacent to both output ends of the driving shaft 302.

While both fig. 2 and 3 show the resilient balancing means 60 disposed adjacent one output end of the drive shaft 302, another resilient balancing means 60 may be disposed adjacent the other output end of the drive shaft 302.

Referring to fig. 1, 6, 7, the two resilient counterbalancing means 60 are preferably disposed adjacent to the stuffer head portion 303, respectively, and the two resilient counterbalancing means 60 are disposed outside the first and second concavities 101 and 102, respectively.

Referring to fig. 1, for the electric tail system 100 with the elastic balancing device of each of the above embodiments, the actuating device includes the first actuator 20 and the second actuator 50, and more preferably, the first actuator 20 and the second actuator 50 are symmetrically arranged.

The first actuator 20 and the second actuator 50 may also be arranged asymmetrically. The first actuator and the second actuator have the same structure, but those skilled in the art can also adopt the first actuator and the second actuator with different structures.

With the electric tail system 100 of each of the above embodiments, the drive shaft 302 includes the first output end portion 3021 and the second output end portion 3022, the first output end portion 3021 being connected to the first actuator 20, and the second output end portion 3022 being connected to the second actuator 50. The first output end 3021 and the second output end 3022 have the same structure. Preferably, the first output end portion 3021 and the second output end portion 3022 are an integral structure.

By arranging the first actuator 20 (left actuator in fig. 1) and the second actuator 50 (right actuator in fig. 1) symmetrically, the first actuator 20 and the second actuator 50 can push the tail 40 to move left and right simultaneously with the same movement locus.

In the electric tail system 100 according to each of the above embodiments, the tail 40 includes the tail first end 401 and the tail second end 402, the first actuator 20 transmits the driving operation output from the driving device 30 to the tail first end 401, and the second actuator 50 transmits the driving operation output from the driving device 30 to the tail second end 402.

As shown in fig. 1-6, according to a preferred embodiment of the present disclosure, the base 10 of the electrical tail system 100 includes a first recess 101 and a second recess 102, the first recess 101 being used to mount the first actuator 20 and the second recess 102 being used to mount the second actuator 50.

Preferably, in the electric fin system 100 according to the above embodiment, the first water drain portion 103 is provided in the first concave portion 101, the first water drain portion 103 is configured to drain accumulated water in the first concave portion 101, the second water drain portion 104 is provided in the second concave portion 102, and the second water drain portion 104 is configured to drain accumulated water in the second concave portion 102.

Wherein, first drainage portion 103 is the drain valve, and second drainage portion 104 is the drain valve, and first drainage portion 103 and second drainage portion 104 can be including extending the pipeline, and first drainage portion and second drainage portion also can be the form of wash port, and this disclosure does not do the specific structure of first drainage portion and second drainage portion and specifically limits as long as can realize the discharge of the ponding in first concave part and the second concave part.

As shown in fig. 4, preferably, the first concave portion 101 is provided with a first through hole 106, the first output end portion 3021 of the drive shaft 302 enters the first concave portion 101 through the first through hole 106 to be connected with the first actuator 20, the second concave portion 102 is provided with a second through hole 107, and the second output end portion 3022 of the drive shaft 302 enters the second concave portion 102 through the second through hole 107 to be connected with the second actuator 50.

As shown in fig. 5, the base 10 of the electrical tail system 100 is preferably provided with a drive mount 105, the drive mount 105 being used to secure the drive 30 to the base 10.

With respect to each of the above embodiments of electric fin system 100, first actuator 20 and second actuator 50 are mirror images of each other.

In the electric empennage system 100 of each of the above embodiments, the driving device 30 further includes a harness connector 301, the harness connector 301 is used for connecting to a vehicle control unit other than the electric empennage system, and the driving device 30 outputs a driving operation based on a control signal of the vehicle control unit.

Preferably, in the electric fin system 100 of each of the above embodiments, the driving shaft 302 is provided with two blanking heads 303, which are respectively disposed adjacent to the first output end 3021 and the second output end 3022, so as to respectively cooperate with the first through hole 106 and the second through hole 107 of the base 10, so as to prevent the liquid from entering the first concave portion 101 through the first through hole 106 and prevent the liquid from entering the second concave portion 102 through the second through hole 107.

Preferably, in the electric tail system 100 according to the above embodiments, the first output end 3021 and the second output end 3022 each comprise a profiled structure 30211, so that the first output end 3021 cooperates with the first actuator 20 to transmit the driving motion to the first actuator 20 and the second output end 3022 cooperates with the second actuator 50 to transmit the driving motion to the second actuator 50.

Preferably, in the electric tail system 100 of each of the above embodiments, the driving device 30 includes a plurality of latching portions 304, and the driving device 30 can be fixed to the base 10 by the plurality of latching portions 304 being engaged with the driving device mounting portion 105.

In the electric fin system 100 according to each of the above embodiments, the driving device mounting portion 105 may be a stud.

The driving unit 30 is fixed to the driving unit mounting portion 105 of the base 10 by the notch portion 304.

The driving shaft 302 of the driving device 30 is connected with the first actuator 20/the second actuator 50 through the choke portion 303 to pass through the first through hole 106/the second through hole 107 and enter the first concave part 101/the second concave part 102.

As shown in fig. 14, in accordance with the electric tail system 100 of the preferred embodiment of the present disclosure, the drive device 30 further includes a motor unit 306 and a gear assembly 307, the motor unit 306 transmitting the driving motion to the drive shaft 302 via the gear assembly 307.

More preferably, when the drive shaft 302 outputs a predetermined amount of rotational motion, the switch section 305 can be triggered by the drive shaft 302 and output a trigger signal, and based on the trigger signal output by the switch section 305, the motor unit 306 can be controlled to stop the output of the rotational motion.

The positional information of the tail 40 is indicated by the indication of a predetermined amount of rotational motion (which may include a predetermined amount of rotational motion in both directions) of the drive shaft 302 by the switch section 305.

The driving device 30 is controlled to move by the vehicle control unit, the driving device 30 drives the first actuator 20/the second actuator 50 through the driving shaft 302, and the first actuator 20/the second actuator 50 pushes the tail wing 40 to move, so that the tail wing is lifted. When the tail wing 40 needs to be closed, the driving device 30 moves reversely, the driving device 30 reversely drives the first actuator 20/the second actuator 50 through the driving shaft 302, the first actuator 20/the second actuator 50 pushes the tail wing 40 to the closed position, the closing of the tail wing 40 is realized, and the electric lifting and the closing of the tail wing 40 are realized.

It should be noted that the elastic balancing device 60 is not shown in fig. 1, 4 to 14 of the present disclosure for simplicity of illustration.

It should be understood by those skilled in the art that the structures shown in fig. 1 to 14 are only for the purpose of explaining the electric tail system of the present disclosure, and are not intended to limit the technical solution of the electric tail system of the present disclosure.

An automobile according to an embodiment of the present disclosure includes: the electrical tail system of any of the embodiments described above.

According to the electric empennage system, when the empennage needs to be lifted, the driving device drives the first actuator (the left actuator in the drawing) and the second actuator (the right actuator in the drawing) through the driving shaft, so that the right actuator and the left actuator can push the left side and the right side of the empennage to move in the same movement track, and the empennage is pushed to be automatically lifted to a needed position.

The electric tail system of the present disclosure may be mounted on an automobile body, rear cover, or tailgate.

The electric tail wing system is high in transmission efficiency, stable in movement, good in sound quality, compact and simple in structure, small in required arrangement space and flexible in arrangement, the tail wing can be lifted to any required position independently, the aerodynamic performance of the whole vehicle is effectively improved, and the controllability of the whole vehicle is improved.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.

Claims (17)

1. An electric tail system with elastic balancing means, characterized in that it comprises:

a tail wing;

a drive device comprising a drive shaft via which the drive device outputs a drive action, an

The execution device can transmit the driving action output by the driving device to the tail wing so that the tail wing executes the first action or the second action;

the driving shaft is provided with at least one elastic balance device, when the tail wing performs the first action, the elastic balance device releases elastic potential energy, and when the tail wing performs the second action, the elastic balance device accumulates the elastic potential energy.

2. Electric tail system with elastic balancing device according to claim 1, characterized in that it further comprises a base on which said driving means and said actuating means are arranged.

3. The electric tail system with elastic balancing device according to claim 2, characterized in that it comprises an elastic portion, a first fixing portion which fixes a first end of the elastic portion to the drive shaft, and a second fixing portion which fixes a second end of the elastic portion to the base.

4. The electric fin system with elastic balancing device of claim 3, wherein the elastic portion is a spring, and the spring is sleeved on the driving shaft.

5. An electric tail system with elastic balancing means according to claim 4, characterized in that the elastic balancing means also comprise a spring support arranged between the spring and the drive shaft.

6. Electric tail system with elastic balancing device according to claim 5, characterized in that the spring support is a rib-like structure.

7. The electric fin system with elastic balancing device of claim 5, wherein the spring support portion is disposed on the driving shaft, and the spring support portion is capable of rotating relative to the driving shaft.

8. An electric tail system with elastic balancing means according to claim 1, characterized in that said elastic balancing means are two in number, respectively arranged adjacent to the two output ends of the driving shaft 302.

9. Electric tail system with elastic balancing device according to claim 2, characterized in that said actuating means comprise a first actuator and a second actuator.

10. The electric fin system with elastic balancing means according to claim 9, characterized in that the first actuator is arranged symmetrically to the second actuator.

11. The electric tail system with elastic balancing means of claim 9, characterized in that the drive shaft comprises a first output end connected to the first actuator and a second output end connected to the second actuator.

12. The electric fin system of claim 11, wherein the fin includes a fin first end portion and a fin second end portion, the first actuator transmitting the driving motion output by the driving means to the fin first end portion, and the second actuator transmitting the driving motion output by the driving means to the fin second end portion.

13. The electric tail system with elastic balancing means of claim 12, characterized in that the base comprises a first recess for mounting the first actuator and a second recess for mounting the second actuator.

14. The electric tail system with elastic balancing means according to claim 13, characterized in that the first concave portion is provided with a first through hole through which the first output end of the drive shaft enters the first concave portion to be connected with the first actuator, and the second concave portion is provided with a second through hole through which the second output end of the drive shaft enters the second concave portion to be connected with the second actuator.

15. The electric tail system with the elastic balancing device as set forth in claim 1, wherein the driving device further comprises a harness connector for connecting with a vehicle control unit other than the electric tail system, and the driving device outputs a driving action based on a control signal of the vehicle control unit.

16. Electrical tail system with elastic balancing device according to claim 1, characterized in that said first action is a raising action and said second action is a lowering action.

17. An automobile, comprising:

the electrical tail system of any one of claims 1 to 16.

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