CN219843476U - Actuator, stabilizer with actuator and vehicle - Google Patents

Abstract

The utility model discloses an actuator, a stabilizer with the actuator and a vehicle, wherein the actuator comprises: a first end cover is arranged at one end of the shell; the motor and the speed reduction assembly are respectively arranged in the shell, and the motor comprises a motor shell and a motor shaft; a first support fixed to the first end cap, the first end of the motor shaft being rotatably supported to the first support; the second support piece is clamped between the motor shell and the speed reduction assembly, the second end of the motor shaft is rotatably supported at the second support piece and connected with the input end of the speed reduction assembly, the first support piece is provided with a first plug-in connection portion, the first end cover is provided with a second plug-in connection portion, and the first plug-in connection portion and the second plug-in connection portion are in plug-in connection fit. According to the actuator provided by the embodiment of the utility model, the first supporting piece and the second supporting piece are fixed in the shell in a simple mode, and the motor shaft can be stably supported by utilizing the first supporting piece and the second supporting piece, so that the processing difficulty is reduced, and the cost is saved.

Description

Actuator, stabilizer with actuator and vehicle

Technical Field

The utility model relates to the field of vehicles, in particular to an actuator, a stabilizer with the actuator and a vehicle.

Background

In the stabilizer for the vehicle in the related art, two ends of an output shaft of a motor are supported on two supporting pieces, the supporting pieces are in interference fit with a shell of the stabilizer for the vehicle, so that the two supporting pieces are fixed in the shell, the output shaft of the motor is supported by the supporting pieces, and the assembly precision and the assembly difficulty required by the interference fit between the supporting pieces and the shell are high.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the actuator, which fixes the first supporting piece and the second supporting piece in the shell in a simple mode, and can stably support the motor shaft by utilizing the first supporting piece and the second supporting piece, thereby being convenient for reducing the processing difficulty and saving the cost.

The utility model also provides a stabilizer with the actuator and a vehicle.

An actuator according to an embodiment of the first aspect of the present utility model includes: the shell is provided with a first end cover at one end; the motor and the speed reduction assembly are respectively arranged in the shell, the motor comprises a motor shell and a motor shaft, and the motor shaft is arranged in the motor shell; a first support fixed to the first end cap, a first end of the motor shaft being rotatably supported to the first support; the second supporting piece is clamped between the motor casing and the speed reduction assembly, and the second end of the motor shaft is rotatably supported by the second supporting piece and connected with the input end of the speed reduction assembly.

According to the actuator provided by the embodiment of the utility model, the first supporting piece and the second supporting piece are fixed in the shell in a simple mode, and the motor shaft can be stably supported by utilizing the first supporting piece and the second supporting piece, so that the processing difficulty is reduced, and the cost is saved.

In addition, the actuator according to the above embodiment of the present utility model may have the following additional technical features:

according to some embodiments of the utility model, the motor housing and the second support are fixedly connected.

According to some embodiments of the utility model, the reduction assembly is a planetary gear reducer, an inner gear ring of the reduction assembly is fixed to an inner wall of the housing, and the second support is clamped between the inner gear ring and the motor casing.

In some embodiments, the reduction assembly is a multi-stage planetary gear reducer.

According to some embodiments of the utility model, the motor casing and the inner wall of the casing are arranged at intervals.

In some embodiments, the outer peripheral walls of the first support member and the second support member are respectively provided with an avoidance groove, and the motor casing respectively extends into the corresponding avoidance groove.

According to some embodiments of the utility model, the first support is provided with a first plug-in part and the first end cap is provided with a second plug-in part, the first plug-in part and the second plug-in part being plug-in fitted.

In some embodiments, the first plugging portion includes a plurality of plugging protrusions arranged along a circumferential direction, the second plugging portion includes a plurality of plugging grooves, and the plurality of plugging protrusions are inserted into the plurality of plugging grooves in a one-to-one correspondence.

According to a second aspect of the present utility model, an embodiment proposes a stabilizer comprising: an actuator according to an embodiment of the first aspect of the present utility model, wherein a second end cover is disposed at the other end of the housing; the first end cover is fixedly connected with the first stabilizer bar, and the second stabilizer bar is connected with the output end of the speed reducing assembly.

According to the stabilizer disclosed by the embodiment of the utility model, the first supporting piece and the second supporting piece are fixed in the shell in a simple manner by using the actuator disclosed by the embodiment of the first aspect of the utility model, and the motor shaft can be stably supported by using the first supporting piece and the second supporting piece, so that the processing difficulty is reduced, and the cost is saved.

According to a third aspect of the utility model an embodiment proposes a vehicle comprising a stabilizer according to an embodiment of the second aspect of the utility model.

According to the vehicle disclosed by the embodiment of the utility model, the stabilizer disclosed by the embodiment of the second aspect of the utility model is utilized to fix the first supporting piece and the second supporting piece in the shell in a simple manner, and the motor shaft can be stably supported by the first supporting piece and the second supporting piece, so that the processing difficulty is reduced, and the cost is saved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a stabilizer according to an embodiment of the present utility model.

Fig. 2 is an enlarged view of a part of the structure of fig. 1.

Fig. 3 is a schematic transmission diagram of a stabilizer according to an embodiment of the present utility model.

Fig. 4 is a schematic view of the structure of the first support in one direction according to an embodiment of the present utility model.

Fig. 5 is a schematic view of the structure of the first support in another direction according to an embodiment of the present utility model.

Fig. 6 is a schematic view of the structure of the first end cap in one direction according to an embodiment of the present utility model.

Fig. 7 is a schematic view of the structure of the first end cap in another direction according to an embodiment of the present utility model.

Reference numerals: the housing 100, the first end cap 110, the second plug portion 112, the plug recess 113, the second end cap 120,

motor 200, motor housing 210, motor shaft 220,

the speed reduction assembly 300, the ring gear 310,

the first support 410, the first insertion part 411, the insertion protrusion 412, the second support 420, the escape groove 430,

the stabilizer 50, the first stabilizer bar 51, the second stabilizer bar 52,

the first bushing 61, the second bushing 62,

a first seal ring 71, a second seal ring 72, and a bearing 73.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

An actuator according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1 to 7, the actuator according to the embodiment of the present utility model includes a housing 100, a motor 200, and a reduction assembly 300, a first support 410, and a second support 420.

One end of the casing 100 is provided with a first end cover 110, and the motor 200 and the speed reduction assembly 300 are respectively arranged in the casing 100, so that a relatively stable working environment is provided for the motor 200 and the speed reduction assembly 300 by using the casing 100, and the situation that objects in the external environment scratch the motor 200 and the speed reduction assembly 300 is avoided.

The motor 200 includes a motor housing 210 and a motor shaft 220, the motor shaft 220 is disposed in the motor housing 210, the motor shaft 220 is connected with an input end of the speed reduction assembly 300, the speed reduction assembly 300 can reduce a rotation speed of the motor shaft 220, and further can improve an output rotation torque of the motor shaft 220, so that the actuator can output a stronger rotation torque.

The first support 410 is fixed to the first end cap 110 to fix the first support 410 at a designated position within the housing 100, and the second support 420 is clamped between the motor case 210 and the reduction assembly 300 to define the position of the second support 420, thereby fixing the second support 420 at a designated position within the housing 100.

The first end of the motor shaft 220 is rotatably supported on the first support member 410, the second end of the motor shaft 220 is rotatably supported on the second support member 420, and the positions of the motor shaft 220 are defined by the first support member 410 and the second support member 420, so that the motor shaft 220 can be supported at a designated position in the motor housing 210, the motor shaft 220 can be smoothly connected with the speed reduction assembly 300, and the actuator can stably output torque.

The first support 410 is provided with a first plugging portion 411, the first end cover 110 is provided with a second plugging portion 112, and the first plugging portion 411 and the second plugging portion 112 are plugged and matched, so that the relative positions of the first support 410 and the first end cover 110 are positioned by utilizing the matching of the first plugging portion 411 and the second plugging portion 112, and the first support 410 can be quickly fixed on the first end cover 110, so that the first support 410 can smoothly support the first end of the motor shaft 220.

In summary, by fixedly connecting the first support 410 to the first end cover 110, the first end of the motor shaft 220 is supported by the first support 410, the second support 420 is clamped and fixed between the reduction assembly 300 and the motor housing 210, the second end of the motor shaft 220 is supported by the second support 420, and the first support 410 and the second support 420 can stably support the motor shaft 220. When the motor shaft 220 rotates and the interaction force between the motor shaft 220 and the motor housing 210 is too large, the first and second supports 410 and 420 can provide a stable supporting force for the motor shaft 220, so that the motor shaft 220 can smoothly output a torsion force.

Meanwhile, the method of fixing the first and second supports 410 and 420 in the housing 100 can be implemented without complicated operations, so that the processing difficulty is reduced, and the cost is saved.

Therefore, according to the actuator of the embodiment of the present utility model, the first support 410 and the second support 420 are fixed in the housing 100 in a simple manner, and the motor shaft 220 can be stably supported by using the first support 410 and the second support 420, so that the processing difficulty is reduced and the cost is saved.

An actuator according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1 to 7, the actuator according to the embodiment of the present utility model includes a housing 100, a motor 200, and a reduction assembly 300, a first support 410, and a second support 420.

In some embodiments of the present utility model, as shown in fig. 4 to 7, the first plugging portion 411 includes a plurality of sets of plugging protrusions 412, the plurality of sets of plugging protrusions 412 are arranged along the circumferential direction of the first plugging portion 411, the second plugging portion 112 includes a plurality of sets of plugging grooves 113, and the plurality of sets of plugging protrusions 412 are inserted into the plurality of plugging grooves 113 in a one-to-one correspondence manner, so as to fix the first support 410 and the first end cover 110 together, and further fix the first support 410 in the housing 100, so that the first support 410 can stably support the first end of the motor shaft 220, so as to position the motor shaft 220 at a designated position in the housing 100.

As shown in fig. 4 to 7, in the present embodiment, the first plugging portion 411 includes six sets of plugging protrusions 412, the six sets of plugging protrusions 412 are disposed at intervals along the circumferential direction of the first support member 410, each set of plugging protrusions 412 includes a plurality of plugging protrusions 412, the plurality of plugging protrusions 412 are arranged along the circumferential direction of the first support member 410, and the plugging protrusions 412 protrude toward the first end cover 110 along the axial direction of the first support member 410. Accordingly, the second plugging portion 112 includes six sets of plugging grooves 113, the six sets of plugging grooves 113 are disposed at intervals along the circumferential direction of the first end cover 110, each set of plugging grooves 113 includes a plurality of plugging grooves 113, the plurality of plugging grooves 113 are arranged along the circumferential direction of the first end cover 110, the plugging grooves 113 are recessed along the axial direction of the first end cover 110, and the plugging grooves 113 are in one-to-one plugging fit with the plugging protrusions 412 so as to stably fix the first support member 410 and the first end cover 110 together.

It should be noted that, the first plugging portion 411 may include 1, 2, 3, 4, 5, 7, etc. sets of plugging protrusions 412, and the second plugging portion 112 may include 1, 2, 3, 4, 5, 7, etc. sets of plugging grooves 113, which are not limited herein.

In some embodiments of the present utility model, the plurality of sets of inserting grooves 113 are disposed at the edge of the first end cover 110, and the plurality of sets of inserting protrusions 412 are disposed at the edge of the first support member 410, such that the plurality of sets of inserting protrusions 412 are inserted into the plurality of sets of inserting grooves 113 in a one-to-one correspondence, so as to fix the first support member 410 and the first end cover 110 together.

Specifically, by disposing the inserting grooves 113 at the edge of the first end cover 110 and disposing the plurality of sets of inserting protrusions 412 at the edge of the first support member 410, so as to increase the acting force between the first end cover 110 and the first support member 410, and thus when the motor shaft 220 rotates, the first end cover 110 can provide a stable supporting force for the first support member 410, so that the first support member 410 can provide a stable supporting force for the first end of the motor shaft 220, and thus the motor shaft 220 can smoothly rotate.

In some embodiments of the present utility model, as shown in fig. 3, the first end of the motor shaft 220 is rotatably supported at the first support member 410, and the first support member 410 is provided with the first sealing ring 61 facing away from the motor shaft 220 to seal the motor 200, so that the lubricant in the motor 200 is prevented from flowing out from the gap between the first end of the motor shaft 220 and the first support member 410.

In some embodiments of the present utility model, the motor case 210 and the second support 420 are fixedly coupled such that when the second support 420 is clamped between the motor case 210 and the reduction assembly 300, the position of the second support 420 can be directly pressed to clamp and fix the second support 420 between the motor case 210 and the reduction assembly 300 when the position of the motor case 210 is adjusted.

Meanwhile, since the motor shaft 220 is disposed in the motor housing 210, the second support 420 supports the second end of the motor shaft 220, and the second support 420 is fixedly connected with the motor 200 to position the second support 420 and the second end of the motor shaft 220, so that the second support 420 can directly and accurately support the second end of the motor shaft 220.

In some embodiments of the present utility model, the reduction assembly 300 is a planetary gear reducer, which can reduce the rotational speed of the motor shaft 220 so as to increase the output torque of the motor shaft 220, the ring gear 310 of the reduction assembly 300 is fixed to the inner wall of the housing 100, the second support 420 is clamped between the ring gear 310 and the motor housing 210, so that the position of the second support 420 is defined by the ring gear 310, and the position of the second support 420 is defined by clamping the second support 420 between the ring gear 310 and the motor housing 210.

The second supporting member 420 is tightly attached to the ring gear 310, so that the second supporting member 420 can be stably clamped and fixed between the ring gear 310 and the motor housing 210, so that the second supporting member 420 can stably support the motor shaft 220.

In some alternative embodiments of the present utility model, the reduction assembly 300 is a multi-stage planetary gear reducer to enable a sufficient reduction in the rotational speed of the motor shaft 220, thereby facilitating a sufficient increase in the torque output by the motor shaft 220.

The multi-stage planetary gear reducer is used for reducing the rotation speed of the motor shaft 220, and the planetary gear reducer is used for reducing the rotation speed of the motor shaft 220, so that the output shaft of the planetary gear reducer and the motor shaft 220 can be kept on the same straight line, the occupied space of the actuator is reduced, and the stability of transmission is improved.

As shown in fig. 3, in the present embodiment, the speed reducer is a three-stage planetary gear speed reducer, and the three-stage planetary gear speed reducer is capable of reducing the speed of the output shaft of the motor shaft 220 three times, so as to sufficiently reduce the rotational speed of the motor shaft 220 and increase the torque output by the motor shaft 220.

In some embodiments of the present utility model, as shown in fig. 2, the motor casing 210 and the inner wall of the casing 100 are spaced apart, so that when the motor 200 is installed in the casing 100, an installation space is reserved for the motor casing 210, thereby facilitating the reduction of the complexity of installation, so that the motor 200 can be installed in the casing 100 smoothly, and meanwhile, the motor casing 210 and the inner wall of the casing 100 are spaced apart, so that the motor 200 and the casing 100 can be spaced apart, and the heat transferred to the casing 100 by the motor 200 can be reduced.

In some alternative embodiments of the present utility model, as shown in fig. 2 and 5, the outer peripheral walls of the first support 410 and the second support 420 are respectively provided with a corresponding escape groove 430, and the motor casing 210 is respectively inserted into the corresponding escape groove 430, so that the position of the motor casing 210 is positioned by using the escape groove 430, and thus the motor 200 can be fixed in the casing 100.

In some embodiments, when the first support 410, the second support 420 and the motor 200 are mounted in the housing 100, the motor case 210 and the second support 420 may be first fixed together, the motor case 210 and the relief groove 430 on the second support 420 are matched, the second end of the motor shaft 220 is supported on the second support 420, then the motor 200 and the second support 420 are mounted in the housing 100 together, the second support 420 is clamped between the ring gear 310 and the motor case 210 in the housing 100, then the first support 410 is mounted in the housing 100, the motor case 210 and the relief groove 430 on the first support 410 are matched, the first support 410 can support the first end of the motor shaft 220, then the first end cover 110 is arranged at one end of the housing 100, and the first end cover 110 and the first support 410 are fixed together.

In some embodiments, the outer diameters of the first and second support members 410, 420 are greater than the outer diameter of the motor casing 210, such that when the motor casing 210 is inserted into the corresponding relief grooves 430 of the first and second support members 410, 420, the motor casing 210 can be spaced apart from the housing 100, thereby spacing apart the motor 200 and the housing 100, so as to reduce the heat transferred from the motor 200 to the housing 100.

The stabilizer 50 according to an embodiment of the present utility model is described below. The stabilizer 50 according to the embodiment of the present utility model includes the actuator and the first and second stabilizer bars 51 and 52 according to the above-described embodiment of the present utility model.

One end of the housing 100 is provided with a first end cover 110, the other end of the housing 100 is provided with a second end cover 120, the first end cover 110 is fixedly connected with the first stabilizer bar 51 so as to fix the first stabilizer bar 51 on the actuator, the second stabilizer bar 52 is rotationally connected with the second end cover 120, the second stabilizer bar 52 is connected with the output end of the speed reduction assembly 300, and the rotation of the motor shaft 220 is transmitted to the second stabilizer bar 52 through the speed reduction assembly 300 so as to drive the second stabilizer bar 52 to rotate and simultaneously improve the torsion force of the second stabilizer bar 52.

In some embodiments, both the first end cap 110 and the second end cap 120 are secured to the housing 100 to secure the first stabilizer bar 51 to the housing 100 while the second stabilizer is rotatable relative to the housing 100. The first end cap 110 and the second end cap 120 may be fixed to the housing 100 by welding or screw connection.

As shown in fig. 1 and 3, in some embodiments, the stabilizer 50 further includes a first bushing 61 and a second bushing 62, the first stabilizer bar 51 being rotatably connected to the first bushing 61, and the second stabilizer bar 52 being rotatably connected to the second bushing 62.

Specifically, in the embodiment in which the stabilizer 50 is applied to the vehicle, the first bushing 61 and the second bushing 62 are fixed to the chassis of the vehicle, and when the motor 200 drives the motor shaft 220 to rotate, the rotational motion of the motor shaft 220 is transmitted to the second stabilizer bar 52 after being decelerated by the deceleration assembly 300 to rotate the second stabilizer bar 52, and at the same time, the motor shaft 220 has an interaction force with the motor case 210 while rotating, and when the second stabilizer bar 52 rotates relative to the housing 100, the first stabilizer bar 51 rotates relative to the second stabilizer bar 52 in the opposite direction to the second stabilizer bar 52.

When the vehicle is tilted, the motor 200 drives the motor shaft 220 to rotate, the speed reduction assembly 300 can reduce the rotation speed of the motor shaft 220 transmitted to the second stabilizer bar 52, and further the rotation torque of the second stabilizer bar 52 can be improved, meanwhile, the first stabilizer bar 51 can rotate relative to the second stabilizer bar 52, the stabilizer 50 can adjust the distance between the chassis and the wheels of the vehicle through the first stabilizer bar 51 and the second stabilizer bar 52, and further the body of the vehicle can be kept balanced when the vehicle is tilted.

Wherein, by controlling the rotation direction of the motor shaft 220 to adapt to the roll of the vehicle in different directions, the balance of the vehicle body can be maintained when the vehicle turns in different directions.

In some embodiments, as shown in fig. 3, the stabilizer 50 further includes a bearing 73, and the second stabilizer bar 52 is connected to the second end cap 120 through the bearing 73, so as to implement a rotational connection between the second stabilizer bar 52 and the second end cap 120, so that the second stabilizer bar 52 can output a torsion force outwards, wherein a second sealing ring 62 is disposed between the second stabilizer bar 52 and the second end cap 120, so as to seal a gap between the second end cap 120 and the second stabilizer bar 52, so as to avoid that lubricating oil in the speed reducing assembly 300 flows out from a gap between the second end cap 120 and the second stabilizer bar 52.

According to the stabilizer 50 of the embodiment of the present utility model, the motor shaft 220 can be stably supported by the first and second supports 410 and 420 by fixing the first and second supports 410 and 420 in the housing 100 in a simple manner by using the actuator according to the above-described embodiment of the present utility model, so that the difficulty of processing is reduced and the cost is saved.

A vehicle according to an embodiment of the present utility model is described below. The vehicle according to the embodiment of the utility model includes the stabilizer 50 according to the above-described embodiment of the utility model.

According to the vehicle of the embodiment of the present utility model, by fixing the first support 410 and the second support 420 in the housing 100 in a simple manner using the stabilizer according to the above-described embodiment of the present utility model, the motor shaft 220 can be stably supported using the first support 410 and the second support 420, which is convenient for reducing the difficulty of processing and saving the cost.

Other components and operations of a vehicle according to embodiments of the utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An actuator, comprising:

a housing (100), one end of the housing (100) being provided with a first end cap (110);

the motor (200) and the speed reduction assembly (300) are respectively arranged in the shell (100), the motor (200) comprises a motor shell (210) and a motor shaft (220), and the motor shaft (220) is arranged in the motor shell (210);

-a first support (410), the first support (410) being fixed to the first end cap (110), a first end of the motor shaft (220) being rotatably supported to the first support (410);

a second supporting piece (420), wherein the second supporting piece (420) is clamped between the motor casing (210) and the speed reduction assembly (300), the second end of the motor shaft (220) is rotatably supported on the second supporting piece (420) and is connected with the input end of the speed reduction assembly (300),

the first support piece (410) is provided with a first plug-in connection portion (411), the first end cover (110) is provided with a second plug-in connection portion (112), and the first plug-in connection portion (411) is in plug-in connection with the second plug-in connection portion (112).

2. The actuator according to claim 1, wherein the first plugging portion (411) comprises a plurality of groups of plugging protrusions (412) arranged in a circumferential direction, the second plugging portion (112) comprises a plurality of groups of plugging grooves (113), and the plurality of groups of plugging protrusions (412) are inserted into the plurality of groups of plugging grooves (113) in a one-to-one correspondence.

3. The actuator according to claim 2, wherein a plurality of sets of said mating grooves (113) are provided at the edge of said first end cap (110); and/or, a plurality of groups of the inserting protrusions (412) are arranged at the edge of the first supporting piece (410).

4. The actuator of claim 1, wherein the motor housing (210) and the second support (420) are fixedly connected.

5. The actuator according to claim 1, wherein the reduction assembly (300) is a planetary gear reducer, an inner gear ring (310) of the reduction assembly (300) is fixed to an inner wall of the housing (100), and the second support (420) is clamped between the inner gear ring (310) and the motor case (210).

6. The actuator of claim 5, wherein the reduction assembly (300) is a multi-stage planetary gear reducer.

7. The actuator of claim 1, wherein the motor housing (210) is spaced from an inner wall of the housing (100).

8. The actuator according to claim 7, wherein the outer peripheral walls of the first support member (410) and the second support member (420) are respectively provided with escape grooves (430), and the motor housing (210) respectively extends into the respective escape grooves (430).

9. A stabilizer (50), characterized by comprising:

actuator according to any one of claims 1-8, the other end of the housing (100) being provided with a second end cap (120);

the first end cover (110) is fixedly connected with the first stabilizer bar (51), and the second stabilizer bar (52) is connected with the output end of the speed reducing assembly (300).

10. A vehicle characterized by comprising a stabilizer (50) according to claim 9.