CN217812998U

CN217812998U - Executor subassembly of scissors formula door the hinge mechanism

Info

Publication number: CN217812998U
Application number: CN202222092074.5U
Authority: CN
Inventors: 李冰晶; 杜方瑞
Original assignee: Shanghai Chizhu Auto Parts Co ltd
Current assignee: Shanghai Chizhu Auto Parts Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-15
Anticipated expiration: 2032-08-09

Abstract

The utility model belongs to the technical field of the car, especially, relate to an executor subassembly of scissors formula door the hinge mechanism, include: a first transmission shaft; a second transmission shaft; the power part is used for driving the first transmission shaft and the second transmission shaft to rotate in the same direction at different rotating speeds; wherein, power portion includes: one output end of the differential is connected with the first transmission shaft; the gear transmission part is used for connecting the other output end of the differential mechanism with the second transmission shaft; and the driving piece is used for driving the differential mechanism to rotate so as to drive the first transmission shaft and the second transmission shaft to rotate in the same direction. Under differential mechanism's effect for the door can be smooth be opened or close, and the door is at flat-open back moreover, and the driving piece can be with the whole first transmission shafts that transfer of power supply on, realizes opening on the door, compares in some drive arrangement of tradition, and not only transmission efficiency is high, and power distribution is more reasonable, only needs a drive moreover to accomplish.

Description

Executor subassembly of scissors formula door the hinge mechanism

Technical Field

The utility model belongs to the technical field of the car, especially, relate to an executor subassembly of scissors formula door the hinge mechanism.

Background

The scissor door is an individual design, is generally only applied to the super sports car, and the unique and novel car door opening and closing mode enables the car to have more scientific and technological sense and future sense, can always attract the attention of a plurality of users, and is also a selling point designed by a plurality of manufacturers nowadays.

The existing scissor doors are opened in a manner such as that disclosed in chinese patent publication No. CN113266223A, generally, the scissor doors are opened to the maximum opening degree from the outside first, then turned upwards to the maximum opening position, and when closed, the scissor doors are turned reversely, the opening or closing of the scissor doors are performed in two steps, and the scissor doors can be opened or closed in only one direction at each step. The opening mode has poor user experience, unsmooth movement and poor man-machine operability during door opening and closing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an executor subassembly of scissors formula door the hinge mechanism to solve the problem that provides among the above-mentioned background art.

To achieve the above object, there is provided an actuator assembly of a scissor-type door hinge mechanism for powering the hinge mechanism and rotating a door open or closed by the hinge mechanism, comprising:

the first transmission shaft is connected with the hinge mechanism and provides vertical opening transmission for the vehicle door;

the second transmission shaft is arranged in parallel to the first transmission shaft, is connected with the hinge mechanism and provides side-hung transmission for the vehicle door;

the power part is used for driving the first transmission shaft and the second transmission shaft to rotate in the same direction at different rotating speeds; wherein, power portion includes:

one output end of the differential is connected with the first transmission shaft;

the gear transmission part is used for connecting the other output end of the differential mechanism with the second transmission shaft;

and the driving piece is used for driving the differential mechanism to rotate so as to drive the first transmission shaft and the second transmission shaft to rotate in the same direction.

In any of the above technical solutions, further, the power part further includes:

a lower cover plate;

the upper cover plate covers the lower cover plate;

wherein, be formed with first installation cavity, second installation cavity and third installation cavity between lower cover plate and the upper cover plate, differential mechanism sets up in first installation cavity, and gear drive portion sets up in second installation cavity, and the driving piece sets up in third installation cavity.

In any of the above technical solutions, further, the differential includes:

the inner wall of the outer gear is provided with an annular frame;

the planetary gears are symmetrically arranged in the annular frame through planetary gear shafts, and the axial directions of the planetary gear shafts are consistent with the radial direction of the annular frame;

the half shaft gears are meshed with the two planet gears, and the half shaft gears are provided with two half shaft gears and are symmetrically arranged on two sides of the outer gear;

the first transmission shaft is connected with one half shaft gear, the other half shaft gear is connected with the gear transmission part, the output shaft on the driving part is provided with a second gear, and the second gear is meshed with the external gear.

In any of the above technical solutions, further, the gear transmission part includes:

the third transmission shaft is rotatably arranged in the second mounting cavity, and one end of the third transmission shaft is connected with the other half shaft gear;

the third gear is arranged on the third transmission shaft;

the fourth transmission shaft is rotatably arranged in the second mounting cavity and is parallel to the third transmission shaft;

the fourth gear is arranged on the fourth transmission shaft;

the fifth gear is arranged on the fourth transmission shaft;

the sixth gear is arranged on the second transmission shaft and is positioned in the second mounting cavity;

the third gear is meshed with the fourth gear, and the fifth gear is meshed with the sixth gear.

Additional aspects and advantages of the present invention will be described in detail with reference to the embodiments, so that the effects become apparent.

Drawings

FIG. 1 is a schematic view of the door of the present invention closed on the vehicle body;

FIG. 2 is a schematic view of the hinge mechanism of the present invention mounted on a vehicle body;

FIG. 3 is a schematic structural view of the hinge mechanism of the present invention;

FIG. 4 is a schematic view of the upper portion of the hinge mechanism of the present invention;

FIG. 5 is a schematic structural view of the right guide block of the present invention;

fig. 6 is a schematic structural view of another view angle of the hinge mechanism of the present invention;

FIG. 7 is a schematic view of the internal structure of the upper part of the hinge mechanism of the present invention;

fig. 8 is a schematic structural view of the lower cover plate of the present invention;

fig. 9 is a schematic structural view of the power unit of the present invention;

FIG. 10 is a schematic structural view of the differential of the present invention;

the reference numbers in the figures are: 1. a vehicle door; 2. a vehicle body; 100. a side floor; 200. a rotating shaft; 300. a rotating base; 310. a base body; 320. a connecting shaft; 330. a shaft sleeve; 340. sealing the cover; 341. a limiting ring; 400. a rotating arm; 410. a hinge; 420. an extension portion; 430. a universal roller; 440. a mounting ring; 441. a limiting groove; 500. an actuator assembly; 510. a sector bevel gear; 520. a first drive shaft; 530. a bevel gear; 540. a sector gear; 550. a second drive shaft; 560. a first gear; 570. a power section; 571. a lower cover plate; 5711. a first mounting chamber; 5712. a second mounting chamber; 5713. a third mounting chamber; 572. an upper cover plate; 573. a differential mechanism; 5731. an outer gear; 5732. a planetary gear; 5733. a half shaft gear; 574. a gear transmission part; 5741. a third drive shaft; 5742. a third gear; 5743. a fourth drive shaft; 5744. a fourth gear; 5745. a fifth gear; 5746. a sixth gear; 575. a drive member; 5751. a motor; 5752. a speed reducer; 5753. a damping coupling; 5754. an output shaft; 5755. a second gear; 600. a guide portion; 610. a left guide block; 620. a right guide block; 621. a guide groove; 6211. a horizontal groove section; 6212. the arc-shaped connecting groove part; 6213. the vertical groove part.

Detailed Description

The technical solutions and technical effects in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived from the embodiments in the present application by a person skilled in the art, are within the scope of protection of the present application.

In the description of the present application, it is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. For convenience of description, the dimensions of the various features shown in the drawings are not necessarily drawn to scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

It should be noted that in the description of the present application, the orientation or positional relationship indicated by the terms such as "front, back, up, down, left, right", "lateral, vertical, horizontal" and "top, bottom" and the like are generally based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and in the case of not making a reverse description, these orientation terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatuses in the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions recited, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Example 1:

as shown in fig. 1, 2 and 3, the present embodiment provides a scissor-type door hinge mechanism for connecting a vehicle door 1 to a vehicle body 2 and driving the vehicle door 1 to rotate to open or close, including:

a side floor 100 provided on the vehicle body 2;

the rotating shaft 200 is vertically arranged on the side base plate 100 through two bearing seats which are arranged up and down and is rotatably arranged on a horizontal plane;

a rotary base 300 disposed on the rotary shaft 200 and rotating synchronously with the rotary shaft 200;

one end of the rotating arm 400 is rotatably arranged on the rotating seat 300 along a vertical plane, and the other end of the rotating arm is connected with the vehicle door 1;

and an actuator assembly 500 disposed on the side base plate 100 for driving the rotary base 300 and the rotary arm 400 to rotate simultaneously, so that the vehicle door 1 rotates along the curved track of the rotary arm 400, and the vehicle door 1 is opened or closed.

In this technical scheme, because some present door 1 hinges 410 have not smooth and easy scheduling problem when opening, at door 1 opening in-process, need outwards open, then upwards rotate, need two power supplies at least, when two power supplies are mutually supported, can produce the feeling of pause, but also can make the opening speed of door 1 slow down. For this purpose, a side bottom plate 100 is provided, the side bottom plate 100 is installed at a position of the vehicle body 2 close to the front wheel hub, and a rotating shaft 200, a rotating seat 300 and a rotating arm 400 are provided on the side bottom plate 100, one end of the rotating arm 400 is connected with the rotating seat 300, and the other end is used for connecting with the vehicle door 1, specifically, two hinges 410 are provided on the rotating arm 400 to connect with the vehicle door 1 through the hinges 410; wherein, when executor subassembly 500 drives roating seat 300 and swinging boom 400 and rotates, swinging boom 400 is when driving door 1 upwards or overturn downwards, roating seat 300 can drive swinging boom 400 and rotate on the horizontal plane, make door 1 outwards or inwards overturn promptly, door 1 is under roating seat 300 and swinging boom 400 common effect, open or be closed with curved orbit, open in traditional substep, not only open fast, and more pleasing to the eye in the vision moreover.

Example 2:

the present embodiment provides a scissor-type door hinge mechanism, which has the following technical features in addition to the technical solutions of the above embodiments.

As shown in fig. 3, 4 and 7, in the present embodiment, the actuator assembly 500 includes:

a sector bevel gear 510 disposed at one end of the rotating arm 400 near the rotating base 300;

a first transmission shaft 520 vertically disposed on the side base plate 100 and parallel to the rotation shaft 200;

a bevel gear 530 provided at one end of the first transmission shaft 520 and engaged with the sector bevel gear 510;

a sector gear 540 disposed on a sidewall of the rotary base 300, wherein a tooth direction of the sector gear 540 is identical to a radial direction of the rotary shaft 200;

a second transmission shaft 550 vertically disposed on the side base plate 100 and parallel to the rotation shaft 200;

a first gear 560 provided on one end of the second transmission shaft 550 and engaged with the sector gear 540;

and a power unit 570 provided on the side base plate 100, for driving the first transmission shaft 520 and the second transmission shaft 550 to rotate in the same direction at different rotation speeds.

In the technical scheme, in order to simultaneously drive the rotary base 300 and the rotating arm 400 to rotate, a first transmission shaft 520 and a second transmission shaft 550 are provided, a bevel gear 530 is arranged on the first transmission shaft 520, a sector bevel gear 510 meshed with the bevel gear 530 is arranged on the rotating arm 400, and when the first transmission shaft 520 rotates, the bevel gear 530 drives the sector bevel gear 510 to move, so that the rotating arm 400 is driven to rotate around the rotary base 300; the second transmission shaft 550 is provided with a first gear 560, and the side end of the rotary base 300 is provided with a sector gear 540 engaged with the first gear 560, so that when the second transmission shaft 550 rotates, the first gear 560 drives the sector gear 540 to rotate, and further drives the rotary base 300 to rotate; the first transmission shaft 520 and the rotation shaft 200 are coaxially arranged, so that when the rotary base 300 rotates, the rotating arm 400 also synchronously rotates, and the fan-shaped bevel gear 510 can turn over by taking the bevel gear 530 as a rotation point without departing from the bevel gear 530, so that the fan-shaped bevel gear 510 can also rotate while turning over, and the rotating arm 400 rotates along a curved track to open or close the vehicle door 1.

Example 3:

As shown in fig. 3, 4 and 5, in this embodiment, the present invention further includes a guide part 600, disposed on the side base plate 100, for supporting the rotation end of the rotation arm 400 and providing a curved track for the rotation arm 400 during rotation.

In this technical scheme, through setting up guide part 600 to support when sliding is provided to rotation arm 400, make rotation arm 400 can be more steady rotate.

In this embodiment, preferably, the rotating end of the rotating arm 400 is provided with two extending portions 420 extending to the left and right sides, and the extending portions 420 are provided with universal rollers 430;

the guide part 600 is composed of a left guide block 610 and a right guide block 620, and the left guide block 610 and the right guide block 620 are symmetrically arranged on two sides of the rotating shaft 200;

the universal roller 430 on the extending part 420 on the left side of the rotating arm 400 is slidably arranged in the guide groove 621 on the left guide block 610, and the universal roller 430 on the extending part 420 on the right side of the rotating arm 400 is slidably arranged in the guide groove 621 on the right guide block 620.

In the present technical solution, in the process of opening and closing the vehicle door 1, the rotating arm 400 rotates back and forth, so that a left guide block 610 and a right guide block 620 are provided, and two extending portions 420 corresponding to the left guide block 610 and the right guide block 620 are provided on the rotating arm 400, and when the rotating arm 400 rotates, the two extending portions 420 can respectively slide in the guide grooves 621 on the left guide block 610 and the right guide block 620; to reduce the friction of the extension part 420 in the guide groove 621, a universal roller 430 is further provided on the extension part 420 for this purpose, instead of sliding friction, rolling friction.

Example 4:

As shown in fig. 8 and 9, in the present embodiment, the power part 570 includes:

a lower cover plate 571 disposed on the side bottom plate 100;

the upper cover plate 572 covers the lower cover plate 571, a first installation cavity 5711, a second installation cavity 5712 and a third installation cavity 5713 are formed between the lower cover plate 571 and the upper cover plate 572, the first transmission shaft 520 extends into the first installation cavity 5711, and the second transmission shaft 550 extends into the second installation cavity 5712;

a differential 573 disposed in the first mounting chamber 5711, wherein one output end of the differential 573 is connected to the first transmission shaft 520;

a gear transmission 574 disposed in the second mounting chamber 5712 for connecting the other output end of the differential 573 with the second transmission shaft 550;

and a driving member 575 disposed in the third mounting chamber 5713 for driving the differential 573 to rotate, so as to drive the first transmission shaft 520 and the second transmission shaft 550 to rotate in the same direction.

In the present embodiment, the distance that the door 1 moves outward or inward is smaller than the distance that the door 1 moves upward or downward during the opening or closing of the door 1, so that the difference in the rotational speed between the first transmission shaft 520 and the second transmission shaft 550 can be adjusted, and for this reason, a differential 573 is provided, by which the door 1 can be smoothly opened or closed. The gear transmission part 574 is used for driving the second transmission shaft 550 to rotate in the same direction while the first transmission shaft 520 rotates.

Specifically, in the process of opening the vehicle door 1, the vehicle door needs to be opened outward first and then turned upwards, and therefore, taking the guide groove 621 on the right guide block 620 as an example, the guide groove 621 is divided into three parts, namely a horizontal groove part 6211, an arc-shaped connecting groove part 6212 and a vertical groove part 6213 from bottom to top; wherein, the arc groove part is used for playing the effect of transition, when door 1 is closed, universal gyro wheel 430 on the left extension 420 of swinging boom 400 is located the horizontal groove, open the in-process when door 1, universal gyro wheel 430 rolls in the horizontal groove, this in-process, the ascending pivoted action of door 1 does not take place, when universal gyro wheel 430 rolls gradually to arc connecting groove part 6212 on, door 1 can outwards and upwards rotate gradually this moment, after universal gyro wheel 430 moves to vertical inslot, door 1 is opened gradually.

Through the arrangement of the three-dimensional space of the guide groove 621 and the combination of the differential 573, the vehicle door 1 has three action states in the opening process, in the first state, under the limitation of the horizontal groove part 6211, the driving part 575 drives the second transmission shaft 550 to rotate, the first transmission shaft 520 does not rotate, in the process, the driving part 575 transfers all the power to the second transmission shaft 550, and the vehicle door 1 is horizontally opened for a small distance; in the second state, under the limitation of the arc-shaped connecting groove part 6212, the driving part 575 drives the first transmission shaft 520 and the second transmission shaft 550 to rotate simultaneously, and in the process, the vehicle door 1 moves upwards for a certain distance while being horizontally opened to the maximum opening degree; in the third state, under the limitation of the vertical groove part 6213, the driving part 575 drives the first transmission shaft 520 to rotate, the second transmission shaft does not rotate, in the process, the driving part 575 transfers the power to the first transmission shaft 550, and the vehicle door 1 is opened upwards to the maximum opening degree.

The arrangement of the three-dimensional space of the guide groove 621 is adapted to the opening track of the vehicle door 1, and is different from the guide rail in the plane in the prior art; and after the combined use with the differential 573, the smooth curve door opening action can be completed by adopting a simple mechanical structure, so that the power distribution of the driving part 575 is uniform, and the smooth curve door opening action can be completed without a complex power distribution control program. Compared with some traditional driving devices, the driving device has the advantages that the transmission efficiency is high, the power distribution is more reasonable, and only one driving is needed to complete.

Example 5:

As shown in fig. 10, in the present embodiment, the differential 573 includes:

an outer gear 5731, wherein an annular frame is arranged on the inner wall of the outer gear 5731;

the planetary gears 5732 are provided with two planetary gears, are symmetrically arranged in the annular frame through planetary gear shafts, and the axial directions of the planetary gear shafts are consistent with the radial direction of the annular frame;

and side gears 5733 that mesh with the two planetary gears 5732, the side gears 5733 being two and symmetrically disposed on either side of the outer gear 5731;

the first transmission shaft 520 is connected with one of the half-shaft gears 5733, the other half-shaft gear 5733 is connected with the gear transmission part 574, the output shaft 5754 of the driving part 575 is provided with a second gear 5755, and the second gear 5755 is meshed with the external gear 5731.

In this embodiment, when the driving member 575 rotates, the second gear 5755 on the output shaft 5754 rotates simultaneously, the second gear 5755 rotates the external gear 5731, the planetary gear 5732 disposed inside the external gear 5731 moves along with it, and when the planetary gear 5732 rotates only in the circumferential direction, the two side gears 5733 are driven to rotate synchronously, and when the planetary gear 5732 rotates also, the rotation speeds of the two side gears 5733 are different, so that the rotation of the rotating arm 400 in the horizontal direction and the vertical direction can be synchronized.

Specifically, as shown in fig. 9, the driving member 575 mainly includes a motor 5751, a speed reducer 5752, a damping coupling 5753 and an output shaft 5754, the speed reducer 5752 is assembled on the main shaft of the motor 5751, and the damping coupling 5753 is used for connecting the speed reducer 5752 with the output shaft 5754, and the output shaft 5754 is driven to rotate by the motor 5751.

Example 6:

As shown in fig. 9, in the present embodiment, the gear transmission portion 574 includes:

a third transmission shaft 5741 rotatably disposed in the second mounting cavity 5712 and having one end connected to the other half shaft gear 5733;

a third gear 5742 disposed on the third transmission shaft 5741;

a fourth transmission shaft 5743 which is rotatably arranged in the second mounting cavity and is parallel to the third transmission shaft 5741;

a fourth gear 5744 disposed on the fourth transmission shaft 5743;

a fifth gear 5745 provided on the fourth transmission shaft 5743;

a sixth gear 5746 disposed on the second transmission shaft 550 and located in the second mounting cavity;

the third gear 5742 is meshed with the fourth gear 5744, and the fifth gear 5745 is meshed with the sixth gear 5746.

In this technical scheme, when first transmission shaft 520 and second transmission shaft 550 rotate, for making the rotation that the two can the syntropy, be provided with a plurality of gear for this reason, under the mutually supporting of each gear for third transmission shaft 5741 can drive second transmission shaft 550 and rotate.

Example 7:

As shown in fig. 6 and 7, in the present embodiment, the rotary base 300 includes:

a base 310 disposed on the rotation shaft 200;

the connecting shaft 320 is integrally arranged on the base body 310;

a shaft sleeve 330 sleeved on the connecting shaft 320;

and a cap 340 provided on an end of the connecting shaft 320;

the end of the rotating arm 400 has a mounting ring 440, and the mounting ring 440 is sleeved on the shaft sleeve 330 and is limited by the sealing cap 340 along the axial direction of the connecting shaft 320.

In this technical solution, for the rotary base 300, for convenience of installation and rotation, for this reason, the lower end of the base body 310, that is, the half part close to the side bottom plate 100 is set to be the arc-shaped structure, the upper end is set to be the rectangular structure, the connecting shaft 320 is set on the end surface of the upper end, the shaft sleeve 330 is sleeved on the connecting shaft 320, then the mounting ring 440 on the rotary arm 400 is sleeved on the shaft sleeve 330, finally, the seal cover 340 is installed on the connecting shaft 320 through the bolt, and the rotary arm 400 is axially limited, so that the rotary arm 400 does not fall off the shaft sleeve 330, when the first transmission shaft 520 rotates, the rotary arm 400 and the shaft sleeve 330 rotate on the connecting shaft 320.

As shown in fig. 7, in the present embodiment, preferably, an annular limiting groove 441 is formed at an end of the mounting ring 440 opposite to the sealing cover 340, and a limiting ring 341 extending toward the mounting ring 440 and embedded in the limiting groove 441 is disposed on an outer wall of the sealing cover 340.

In the present technical solution, the mounting ring 440 is provided with the limiting groove 441, and the sealing cover 340 is provided with the limiting ring 341, so as to further improve the stability of the rotating arm 400 mounted on the rotating base 300.

Example 8:

the present embodiment provides a vehicle including the hinge mechanism in any one of the above embodiments.

While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict, and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present application and the claims.

Claims

1. An actuator assembly for a scissor door hinge mechanism for powering the hinge mechanism and for pivoting a door open or closed by the hinge mechanism, comprising:

the first transmission shaft (520) is connected with the hinge mechanism and provides vertical opening transmission for the vehicle door;

the second transmission shaft (550) is arranged in parallel to the first transmission shaft (520), is connected with the hinge mechanism and provides flat-open transmission for the vehicle door;

and a power part (570) for driving the first transmission shaft (520) and the second transmission shaft (550) to rotate in the same direction at different rotating speeds; wherein the power part (570) comprises:

a differential (573), one of the output ends of the differential (573) being connected to the first transmission shaft (520);

a gear transmission (574) for connecting the other output of the differential (573) to a second drive shaft (550);

and the driving piece (575) is used for driving the differential (573) to rotate so as to drive the first transmission shaft (520) and the second transmission shaft (550) to rotate in the same direction.

2. The actuator assembly of a scissor door hinge mechanism according to claim 1, wherein the power section (570) further comprises:

a lower cover plate (571);

an upper cover plate (572) which covers the lower cover plate (571);

wherein a first mounting cavity (5711), a second mounting cavity (5712) and a third mounting cavity (5713) are formed between the lower cover plate (571) and the upper cover plate (572), the differential (573) is arranged in the first mounting cavity (5711), the gear transmission part (574) is arranged in the second mounting cavity (5712), and the driving part (575) is arranged in the third mounting cavity (5713).

3. A scissor door hinge mechanism actuator assembly according to claim 2, wherein the differential (573) comprises:

the external gear (5731), there is a ring-shaped shelf on the inner wall of the said external gear (5731);

planetary gears (5732) which are provided in the annular carrier in two numbers and are symmetrically arranged through planetary gear shafts, and the axial directions of the planetary gear shafts are consistent with the radial direction of the annular carrier;

and a side gear (5733) that meshes with both of the planetary gears (5732), wherein the side gear (5733) has two and is symmetrically disposed on both sides of the external gear (5731);

the first transmission shaft (520) is connected with one half shaft gear (5733), the other half shaft gear (5733) is connected with the gear transmission part (574), the output shaft (5754) of the driving part (575) is provided with a second gear (5755), and the second gear (5755) is meshed with the external gear (5731).

4. A scissor door hinge mechanism actuator assembly according to claim 2, wherein the gear drive (574) comprises:

a third transmission shaft (5741) rotatably disposed in the second mounting chamber (5712) and having one end connected to the other half shaft gear (5733);

a third gear (5742) disposed on the third drive shaft (5741);

the fourth transmission shaft (5743) is rotatably arranged in the second mounting cavity and is parallel to the third transmission shaft (5741);

a fourth gear (5744) disposed on the fourth drive shaft (5743);

a fifth gear (5745) disposed on the fourth transmission shaft (5743);

and a sixth gear (5746) disposed on the second transmission shaft (550) and located in the second mounting cavity;

wherein the third gear (5742) is meshed with the fourth gear (5744), and the fifth gear (5745) is meshed with the sixth gear (5746).