Door handle actuator and automobile

Abstract

The utility model provides a door handle actuator and an automobile, and relates to the technical field of automobile parts, and the door handle actuator comprises a first shell, a second shell, a transmission assembly and a sealing assembly. The accommodating cavity is provided with a first through hole. The transmission assembly is provided with a movable part, the movable part penetrates through the first through hole, and the movable part reciprocates in the direction of the center line of the first through hole. The sealing assembly is connected between the second shell and the first shell in an abutting mode, the sealing assembly is provided with a first sealing ring, and the first sealing ring is arranged on the movable part in a sleeving mode. The movable part of the transmission assembly moves relatively through the position of the first through hole to drive the door handle, the sealing assembly plays a role in sealing the gap position between the second shell and the first shell, and the first sealing ring can play a certain role in sealing the gap between the transmission assembly and the first through hole. The situation that foreign matter or rainwater enters the containing cavity to damage the transmission assembly is reduced, and the waterproof and dustproof effects of the door handle actuator are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, and particularly relates to a door handle actuator and automobile. BACKGROUND

[0002] The door handle actuator is usually applied to a vehicle door handle, and the door handle actuator can drive the opening and closing action of the door handle through electric, electromagnetic or hydraulic means. The current common door handle actuator has the problem that foreign matter or rainwater enters the interior, which affects the normal operation and use of the door handle actuator. SUMMARY

[0003] The utility model discloses a door handle actuator and automobile, the transmission assembly of the door handle actuator is used to drive the opening and closing action of the door handle, plays a certain sealing effect, reduces the condition that foreign matter or rainwater enters the accommodating cavity and causes the transmission assembly to be damaged, improves the waterproof and dustproof effect of the door handle actuator.

[0004] The utility model discloses a door handle actuator, which comprises:

[0005] A first shell;

[0006] A second shell connected with the first shell and defining an accommodating cavity, the accommodating cavity being provided with a first through hole;

[0007] A transmission assembly provided with a movable piece, the movable piece being arranged through the first through hole and reciprocating along the center line direction of the first through hole;

[0008] A sealing assembly abutting between the second shell and the first shell, the sealing assembly being provided with a first sealing ring arranged at the position of the first through hole and sleeved on the movable piece.

[0009] In one possible embodiment of the utility model, the center line of the first sealing ring is arranged in line with the center line of the first through hole.

[0010] In one possible embodiment of the utility model, the sealing assembly further comprises a sealing strip, the sealing strip forming an annular structure so that the sealing strip can close the gap between the second shell and the first shell.

[0011] In one possible embodiment of the utility model, the sealing strip is integrally formed with the first sealing ring.

[0012] In a possible embodiment of the utility model, the accommodating cavity is further provided with a second through hole, the sealing assembly comprises a second sealing ring, the second sealing ring is arranged at the position of the second through hole, so that the transmission assembly is connected with the power supply through the second through hole.

[0013] In a possible embodiment of the utility model, the second sealing ring is integrally formed with the sealing strip.

[0014] In a possible embodiment of the utility model, the transmission assembly further comprises a driving motor and a transmission part, the driving motor is in transmission connection with the movable part through the transmission part.

[0015] In a possible embodiment of the utility model, the transmission part comprises a plurality of transmission gears, the axis directions of the plurality of transmission gears are parallel to each other.

[0016] In a possible embodiment of the utility model, the transmission part comprises a first transmission gear, a second transmission gear, a third transmission gear and a fourth transmission gear, one end of the driving motor is in transmission connection with the first transmission gear, one end of the second transmission gear is engaged with the end of the first transmission gear away from the driving motor, one end of the third transmission gear is engaged with the end of the second transmission gear away from the first transmission gear, the fourth transmission gear is engaged with the end of the third transmission gear away from the second transmission gear, the fourth transmission gear is sleeved on the movable part, and the fourth transmission gear is clamped with the movable part.

[0017] The second aspect of the utility model provides an automobile comprising the door handle actuator in any one of the above embodiments.

[0018] Compared with the prior art, the utility model has the advantages that the door handle actuator and the automobile are provided, the transmission assembly of the door handle actuator is used for driving the opening and closing action of the door handle, the door handle can be stretched out or hidden, the transmission assembly is arranged in the accommodating cavity, the part of the movable part stretching out of the accommodating cavity is connected with the door handle, the movable part of the transmission assembly moves relatively through the first through hole position to drive the door handle, the sealing assembly plays a sealing role on the gap position between the second shell and the first shell, the first sealing ring of the sealing assembly can play a certain sealing role on the gap between the transmission assembly and the first through hole, the condition that foreign matters or rainwater enter the accommodating cavity to cause damage to the transmission assembly is reduced, and the waterproof and dustproof effect of the door handle actuator is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings required to be used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. Other related drawings can also be obtained by those skilled in the art without creative labor on the premise of not paying creative labor.

[0020] Figure 1 Structure diagram of the door handle actuator provided in some embodiments of the present application;

[0021] Figure 2 Structure diagram of the housing assembly of the door handle actuator provided in some embodiments of the present application;

[0022] Figure 3 Structure diagram of the sealing assembly of the door handle actuator provided in some embodiments of the present application;

[0023] Figure 4 Structure diagram of the movable member of the door handle actuator provided in some embodiments of the present application;

[0024] Figure 5 Structure diagram of the third transmission gear of the door handle actuator provided in some embodiments of the present application;

[0025] Figure 6 Structure diagram of the fourth transmission gear of the door handle actuator provided in some embodiments of the present application.

[0026] Main element symbol explanation;

[0027] 100-door handle actuator; 110-housing assembly; 111-first housing; 112-second housing; 113-receiving cavity; 114-first through hole; 115-second through hole; 120-transmission assembly; 121-movable member; 1211-threaded portion; 1212-limiting portion; 122-driving motor; 123-transmission member; 1231-first transmission gear; 1232-second transmission gear; 1233-third transmission gear; 1234-fourth transmission gear; 130-sealing assembly; 131-sealing strip; 132-first sealing ring; 133-second sealing ring; 134-fused rib; 210-power supply member; X-first direction; Y-second direction. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0030] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships commonly placed when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", etc. are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0032] In addition, the terms "horizontal", "vertical", "overhang", etc. do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0033] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0035] Example 1

[0036] refer to Figures 1 to 3 As shown, an embodiment of this application provides a door handle actuator 100, which is used to drive the opening and closing action of a door handle. The door handle actuator 100 includes a first housing 111, a second housing 112, a transmission assembly 120, and a sealing assembly 130.

[0037] Specifically, in combination Figure 1 and Figure 3 As shown, the housing assembly 110 includes a first housing 111 and a second housing 112. The second housing 112 is connected to the first housing 111 and defines a receiving cavity 113. The receiving cavity 113 is provided with a first through hole 114. The transmission assembly 120 is provided with a movable member 121. The movable member 121 passes through the first through hole 114 and reciprocates along the centerline of the first through hole 114. The movable member 121 can extend or retract the door handle. The transmission assembly 120 is disposed within the receiving cavity 113. The portion of the movable member 121 extending out of the receiving cavity 113 is connected to the door handle. The movable member 121 of the transmission assembly 120 moves relative to the position of the first through hole 114 to drive the door handle.

[0038] In this embodiment, the sealing component 130 abuts between the second housing 112 and the first housing 111, and the sealing component 130 is provided with a first sealing ring 132. The first sealing ring 132 is disposed at the position of the first through hole 114 and is sleeved on the movable member 121. Accordingly, the sealing component 130 seals the gap between the second housing 112 and the first housing 111. The first sealing ring 132 provided by the sealing component 130 can seal the gap between the transmission component 120 and the first through hole 114 to a certain extent, reducing the possibility of foreign objects or rainwater entering the receiving cavity 113 and causing damage to the transmission component 120.

[0039] It should be noted that the reference Figure 1 As shown, the door handle actuator 100 has a first direction X and a second direction Y, wherein the first direction X and the second direction Y are perpendicular to each other. For example, the first direction X is taken as the length direction of the door handle actuator 100, and the second direction Y is taken as the height direction of the door handle actuator 100.

[0040] In one embodiment, alternatively, referencing Figure 1 and Figure 3As shown, the sealing assembly 130 further comprises a sealing strip 131, which forms an annular structure so that the sealing strip 131 can seal the gap between the second housing 112 and the first housing 111, as shown in Figure 2 As shown, the annular sealing strip 131 corresponds to the size of the second housing 112 and the first housing 111, reducing the possibility of water or foreign matter entering the connection position between the second housing 112 and the first housing 111, ensuring the normal operation of the door handle actuator 100. The sealing strip 131 plays a better sealing role on the gap between the second housing 112 and the first housing 111.

[0041] Optionally, as shown in Figure 3 As shown, the sealing strip 131 and the first sealing ring 132 are integrally formed, ensuring the continuity of the sealing strip 131 and avoiding the existence of gaps between the sealing strip 131 and the first sealing ring 132, thereby improving the sealing effect of the sealing assembly 130.

[0042] In one embodiment, optionally, as shown in Figure 1 As shown, the accommodating cavity 113 is further provided with a second through hole 115, and the sealing assembly 130 comprises a second sealing ring 133, which is arranged at the position of the second through hole 115, so that the transmission assembly 120 is connected to the power supply 210 through the second through hole 115. The power supply 210 can pass through the second through hole 115 and be electrically connected to the transmission assembly 120. The second sealing ring 133 plays a certain sealing role on the connection position of the second through hole 115 and the power supply 210, reducing the possibility of foreign matter entering the accommodating cavity 113.

[0043] Optionally, as shown in Figure 3 As shown, the second sealing ring 133 and the sealing strip 131 are integrally formed, so that the second sealing ring 133 is connected to the sealing strip 131, ensuring the continuity of the sealing strip 131 and avoiding the existence of gaps between the sealing strip 131 and the second sealing ring 133.

[0044] On the basis of any one of the above embodiments, optionally, as shown in Figure 1 As shown, the transmission assembly 120 further comprises a drive motor 122 and a transmission member 123, and the drive motor 122 is in driving connection with the movable member 121 through the transmission member 123. The drive motor 122 drives the transmission member 123 to rotate, so that the transmission member 123 drives the movable member 121 to move relatively, and the movable member 121 can drive the opening and closing action of the door handle.

[0045] In summary, the transmission assembly 120 of the door handle actuator 100 is used to drive the opening and closing action of the door handle, so that the door handle can be extended or hidden. The transmission assembly 120 is arranged in the accommodation cavity 113, the part of the movable element 121 extending out of the accommodation cavity 113 is connected to the door handle, the movable element 121 of the transmission assembly 120 moves relatively in position through the first through hole 114 to drive the door handle, the sealing assembly 130 seals the gap between the second shell 112 and the first shell 111, the first sealing ring 132 arranged in the sealing assembly 130 can seal the gap between the transmission assembly 120 and the first through hole 114, so as to reduce the damage of the transmission assembly 120 caused by the entry of foreign matter or rainwater into the accommodation cavity 113, and improve the waterproof and dustproof effect of the door handle actuator 100.

[0046] Embodiment 2

[0047] Reference Figures 1 to 3 As shown in the drawings, the embodiment of the present application provides another door handle actuator 100. The door handle actuator 100 is used to drive the opening and closing action of the door handle, and comprises a first shell 111, a second shell 112, a transmission assembly 120 and a sealing assembly 130.

[0048] Specifically, in combination with Figure 1 and Figure 3 As shown in the drawings, the second shell 112 is connected to the first shell 111 and defines an accommodation cavity 113, and the accommodation cavity 113 is provided with a first through hole 114. The transmission assembly 120 is provided with a movable element 121, the movable element 121 is arranged in the first through hole 114, and the movable element 121 reciprocates along the center line direction of the first through hole 114. The sealing assembly 130 abuts between the second shell 112 and the first shell 111, and the sealing assembly 130 is provided with a first sealing ring 132, the first sealing ring 132 is arranged at the position of the first through hole 114, the first sealing ring 132 is sleeved on the movable element 121, correspondingly, the movable element 121 can extend or hide the door handle, the transmission assembly 120 is arranged in the accommodation cavity 113, the part of the movable element 121 extending out of the accommodation cavity 113 is connected to the door handle, the movable element 121 of the transmission assembly 120 moves relatively in position through the first through hole 114 to drive the door handle, the sealing assembly 130 seals the gap between the second shell 112 and the first shell 111, the first sealing ring 132 arranged in the sealing assembly 130 can seal the gap between the transmission assembly 120 and the first through hole 114, so as to reduce the damage of the transmission assembly 120 caused by the entry of foreign matter or rainwater into the accommodation cavity 113.

[0049] It should be noted that, with reference to Figure 1As shown, the door handle actuator 100 has a first direction X and a second direction Y, wherein the first direction X and the second direction Y are arranged perpendicular to each other. For example, the first direction X is in the length direction of the door handle actuator 100, and the second direction Y is in the height direction of the door handle actuator 100. It can be understood that the above definitions are only for the convenience of understanding the relative position relationship of each part in the door handle actuator 100, and should not be understood as a limitation of the present application.

[0050] In one embodiment, optionally, as shown in Figure 1 As shown, the center line of the first sealing ring 132 is arranged in line with the center line of the first through hole 114, in other words, the first sealing ring 132 is arranged corresponding to the first through hole 114, so that the first sealing ring 132 plays a certain sealing role between the movable part 121 and the first through hole 114, of course, the first sealing ring 132 will not affect the relative movement of the movable part 121 during the driving of the opening and closing action of the door handle.

[0051] In one embodiment, optionally, as shown in Figure 1 and Figure 3 As shown, the sealing assembly 130 further comprises a sealing strip 131, which constitutes an annular structure, so that the sealing strip 131 can close the gap between the second housing 112 and the first housing 111, as shown in Figure 2 As shown, the annular structure of the sealing strip 131 corresponds to the shape and size of the second housing 112 and the first housing 111, reducing the possibility of water or foreign matter entering the connection position between the second housing 112 and the first housing 111.

[0052] For example, the sealing strip 131 is provided with a melting rib 134, which is arranged in the accommodation cavity 113 and is arranged close to the sealing strip 131. The melting rib 134 makes full use of the space in the accommodation cavity 113, so as to tightly fuse the second housing 112 and the first housing 111, thereby improving the sealing effect of the accommodation cavity 113. The melting rib 134 can be fused and welded by ultrasonic welding to realize the sealing connection between the second housing 112, the first housing 111 and the sealing assembly 130. During the ultrasonic welding process, the sealing strip 131 blocks external foreign matter, reducing the degradation of the melting rib during use, prolonging the service life and tightness of the melting rib 134. The welded rib not only enhances the structural strength of the sealing strip 131, but also provides an additional fusion area to ensure that the ultrasonic welding is more secure, thereby enhancing the sealing performance and durability. Ultrasonic welding is a technology that uses high-frequency vibration to generate heat for welding. By transferring ultrasonic energy to the surface of the material, the material is rapidly heated and melted, thereby achieving a secure weld.

[0053] Optionally, as shown inFigure 3 As shown, the sealing strip 131 is integrally formed with the first sealing ring 132, ensuring the continuity of the sealing strip 131 and avoiding the existence of gaps between the sealing strip 131 and the first sealing ring 132, thereby improving the sealing effect of the sealing assembly 130. For example, the materials of the sealing strip 131 and the first sealing ring 132 can be rubber, thermoplastic elastomer (TPE / TPV), or polyvinyl chloride (PVC), etc.

[0054] In one embodiment, optionally, referring to Figure 1 As shown, the accommodating cavity 113 is further provided with a second through hole 115, and the sealing assembly 130 includes a second sealing ring 133 arranged at the position of the second through hole 115, so that the transmission assembly 120 is connected to a power supply 210 through the second through hole 115. The power supply 210 can pass through the second through hole 115 and be electrically connected to the transmission assembly 120. The second sealing ring 133 seals the connection position of the second through hole 115 and the power supply 210, reducing the entry of foreign matter into the accommodating cavity 113. Further, the power supply 210 is used to supply power to the driving motor 122 of the transmission assembly 120 to drive the driving motor 122 to operate. For example, the power supply 210 can be a power socket, so that an external power supply is electrically connected to the driving motor 122 through the power socket. Of course, the power supply 210 can also be an independent power supply device, such as a battery or an energy storage device, etc.

[0055] Optionally, as Figure 3 As shown, the second sealing ring 133 is integrally formed with the sealing strip 131, so that the second sealing ring 133 is connected to the sealing strip 131, ensuring the continuity of the sealing strip 131 and avoiding the existence of gaps between the sealing strip 131 and the second sealing ring 133. For example, the material of the second sealing ring 133 can also be rubber, thermoplastic elastomer (TPE / TPV), or polyvinyl chloride (PVC), etc.

[0056] On the basis of any one of the above embodiments, optionally, referring to Figure 1 As shown, the transmission assembly 120 further includes a driving motor 122 and a transmission member 123. The driving motor 122 is drivingly connected to the movable member 121 through the transmission member 123. The driving motor 122 drives the transmission member 123 to rotate, so that the transmission member 123 drives the movable member 121 to move relatively, and the movable member 121 can drive the opening and closing action of the door handle.

[0057] Further, as Figure 1As shown, the transmission member 123 comprises a plurality of transmission gears, the axes of the plurality of transmission gears are parallel to each other, the plurality of transmission gears are connected and driven in sequence, the axes of the plurality of transmission gears are parallel to each other to keep in the same transmission direction, the high-speed rotation of the driving motor 122 can be converted into low-speed and large-torque rotation to realize power output, drive the relative movement of the movable member 121, reduce the movement speed of the movable member 121, improve the user experience, in addition, the load of adjacent transmission gears is small, and the damage of transmission gears is reduced. For example, the material of the transmission gear can be made of plastic material.

[0058] In this embodiment, in combination with Figure 5 and Figure 6 As shown, the transmission member 123 comprises a first transmission gear 1231, a second transmission gear 1232, a third transmission gear 1233 and a fourth transmission gear 1234, the driving motor 122 is in transmission connection with one end of the first transmission gear 1231, one end of the second transmission gear 1232 is engaged with the end of the first transmission gear 1231 away from the driving motor 122, one end of the third transmission gear 1233 is engaged with the end of the second transmission gear 1232 away from the first transmission gear 1231, the fourth transmission gear 1234 is engaged with the end of the third transmission gear 1233 away from the second transmission gear 1232, the fourth transmission gear 1234 is sleeved on the movable member 121, and the fourth transmission gear 1234 is clamped with the movable member 121, so that the first transmission gear 1231, the second transmission gear 1232, the third transmission gear 1233 and the fourth transmission gear 1234 are driven in sequence, wherein the first transmission gear 1231, the second transmission gear 1232 and the third transmission gear 1233 are driven in sequence to make full use of the space in the accommodating cavity 113, the space utilization rate is high, the fourth transmission gear 1234 is sleeved on the movable member 121, and the rotation of the fourth transmission gear 1234 can drive the movable member 121 to move, so that the movable member 121 moves along the length direction of the door handle actuator 100.

[0059] For example, the first transmission gear 1231, the second transmission gear 1232 and the third transmission gear 1233 are all coupled tooth structures, and the fourth transmission gear 1234 is in threaded connection with the movable member 121. Referring to Figure 4As shown, the movable piece 121 is a threaded rod, which is provided with a threaded portion 1211 and a limiting portion 1212, the fourth transmission gear 1234 is threadedly connected with the threaded rod through the threaded portion 1211, the limiting portion 1212 is arranged in a limiting groove in the accommodating cavity 113, the limiting portion 1212 is located at an end of the threaded rod away from the first through hole 114, the limiting portion 1212 is used for limiting the threaded rod, and when the fourth transmission gear 1234 rotates relative to the threaded rod, the threaded rod is relatively moved along the first direction X through the threaded portion 1211.

[0060] Embodiment 3

[0061] The embodiment of the utility model further provides a car, car can be fuel vehicle or new energy electric power assisted bicycle etc., including door handle actuator 100 in embodiment 1 or embodiment 2, the door handle actuator 100 containing car has all the beneficial effects of door handle actuator 100, here will not be explained in detail.

[0062] In all examples shown and described herein, any specific values should be interpreted as merely exemplary and not as a limitation, and thus other examples of the example embodiments can have different values.

[0063] The above-described embodiments only express several implementation manners of the utility model, and the description is relatively specific and detailed, but it should not be understood as the limitation of the scope of the utility model. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, and these all belong to the protection scope of the utility model.

Claims

1. A door handle actuator, characterized in that include: First shell; A second housing is connected to the first housing and defines a receiving cavity, the receiving cavity being provided with a first through hole; A transmission assembly, wherein the transmission assembly is provided with a movable member, the movable member passing through the first through hole, and the movable member reciprocating along the center line direction of the first through hole; A sealing assembly is abutted between the second housing and the first housing, and the sealing assembly is provided with a first sealing ring, which is located at the position of the first through hole and is sleeved on the movable part.

2. The door handle actuator according to claim 1, characterized in that The centerline of the first sealing ring is collinear with the centerline of the first through hole.

3. The door handle actuator according to claim 1, characterized in that The sealing assembly further includes a sealing strip that forms an annular structure so that it can seal the gap between the second housing and the first housing.

4. The door handle actuator according to claim 3, characterized in that The sealing strip is integrally formed with the first sealing ring.

5. The door handle actuator according to claim 3, characterized in that The receiving cavity is further provided with a second through hole, and the sealing assembly includes a second sealing ring, which is disposed at the position of the second through hole so that the transmission assembly can be connected to the power supply component through the second through hole.

6. The door handle actuator according to claim 5, characterized in that The second sealing ring is integrally formed with the sealing strip.

7. Door handle actuator according to any of claims 1 to 6, characterized in that The transmission assembly further includes a drive motor and a transmission component, wherein the drive motor is connected to the moving component via the transmission component.

8. The door handle actuator according to claim 7, characterized in that The transmission component includes multiple transmission gears, and the axes of the multiple transmission gears are parallel to each other.

9. The door handle actuator according to claim 7, characterized in that The transmission component includes a first transmission gear, a second transmission gear, a third transmission gear, and a fourth transmission gear. The drive motor is connected to one end of the first transmission gear. One end of the second transmission gear meshes with the end of the first transmission gear away from the drive motor. One end of the third transmission gear meshes with the end of the second transmission gear away from the first transmission gear. The fourth transmission gear meshes with the end of the third transmission gear away from the second transmission gear. The fourth transmission gear is sleeved on the movable component and is engaged with the movable component.

10. An automobile characterized by comprising: Includes the door handle actuator as described in any one of claims 1 to 9.

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