CN218563380U - Door open and close driving device, door assembly and vehicle - Google Patents

Abstract

The utility model discloses a drive arrangement, door assembly and vehicle of door switching, the drive arrangement of door switching includes automobile body fixing base, door fixing base, swing arm, auxiliary arm and locating part, and the one end of swing arm is connected with the automobile body fixing base and the swing arm is relative the automobile body fixing base is rotatable, and the auxiliary arm is kept away from with the swing arm the one end of automobile body fixing base is rotated and is connected, and the door fixing base is connected with the auxiliary arm, and the door fixing base has the door installation face that is used for installing the door, and the one end and the automobile body fixing base of locating part rotate to be connected, and the other end and the auxiliary arm of locating part rotate to be connected, and under the effect of locating part, the rotation opposite direction of swing arm and auxiliary arm, and door installation face and automobile body width direction keep perpendicular. The utility model discloses drive arrangement of door switching has reduced the required space of door switching stroke on the width direction of automobile body, adapts to more parking point restrictions, has eliminated the potential safety hazard when the door is opened.

Description

Door open and close driving device, door assembly and vehicle

Technical Field

The utility model relates to a vehicle technical field specifically relates to a drive arrangement, door assembly and vehicle of door switching.

Background

At present, the door is opened and closed in a rotating mode, namely when the door is opened, the door is rotated and opened around a connecting point, but the door opening mode has a plurality of problems, for example, the Y-direction (the width direction of a vehicle body) of the door protrudes excessively, when the vehicle is parked, in order to meet the normal opening and closing of the door, a parking place needs to have enough space, meanwhile, the excessive protruding amount of the door can occupy the space for getting on and off the vehicle, and when the vehicle is parked on a road and the door is opened, the safety risk can be brought to vehicles and pedestrians which are driven behind.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the embodiment of the utility model provides a drive arrangement of door switching, the one end and the automobile body fixing base of swing arm are rotationally connected, the other end rotates with the auxiliary arm to be connected, be equipped with the door fixing base on the auxiliary arm, the one end and the automobile body fixing base of locating part rotate to be connected, the other end and the auxiliary arm of locating part are connected, then during the swing arm swing, the auxiliary arm makes and produces the effort between auxiliary arm and the locating part along with the swing arm motion, and because the position change of auxiliary arm is along with the swing arm motion, then according to the force interaction, this effort can promote the relative swing arm antiport of auxiliary arm, thereby make the door fixing base along with the in-process of swing arm motion, its door installation face remains perpendicularly with automobile body width direction all the time, install the door on the door installation face all the time with the automobile body remain parallel, compare in the door that the rotation type was opened, the door stretch out volume is little, door switching stroke required space on the width direction of automobile body has been reduced, adapt to more parking point restrictions, the potential safety hazard when the door was opened has been eliminated.

The embodiment of the utility model provides a door assembly is still provided.

The embodiment of the utility model provides a vehicle is still provided.

The utility model discloses drive arrangement of door switching includes: the swing arm is connected with the vehicle body fixing seat at one end and can rotate relative to the vehicle body fixing seat; locating part, auxiliary arm and door fixing base, the auxiliary arm with the swing arm is kept away from the one end of automobile body fixing base is rotated and is connected, just the door fixing base with the auxiliary arm is connected, the door fixing base has the door installation face that is used for installing the door, the one end of locating part with the automobile body fixing base rotates to be connected, the other end of locating part with the auxiliary arm rotates to be connected under the effect of locating part, the swing arm with the rotation opposite direction of auxiliary arm, just the door installation face keeps perpendicular with automobile body width direction.

In some embodiments, the limiting member includes a first connecting rod, the door fixing seat is connected to one end of the auxiliary arm, one end of the first connecting rod is rotatably connected to the body fixing seat, the other end of the first connecting rod is rotatably connected to the other end of the auxiliary arm, the swing arm is rotatable around a first axis, the auxiliary arm is rotatable around a second axis relative to the swing arm, and the first axis and the second axis extend in the same direction.

In some embodiments, the limiting member further includes a second connecting rod, one end of the second connecting rod is rotatably connected to the body fixing seat, the other end of the second connecting rod is rotatably connected to the door fixing seat, the door fixing seat is rotatable around a third axis relative to the auxiliary arm, the third axis is perpendicular to the second axis, the third axis is perpendicular to the door mounting surface, and when the swing arm rotates around the first axis, the door fixing seat rotates around the third axis under the constraint of the second connecting rod.

In some embodiments, one end of the first connecting rod is connected to the vehicle body fixing seat through a ball, the other end of the first connecting rod is connected to the auxiliary arm through a hinge, and the second connecting rod is connected to the vehicle door fixing seat and the vehicle body fixing seat through balls.

In some embodiments, the vehicle body fixing seat comprises a bottom plate and a mounting plate, the swing arm is rotatably connected with the mounting plate, and in the extending direction of the third axis, the connection point of the first connecting rod and the bottom plate and the connection point of the second connecting rod and the bottom plate are respectively located at two sides of the mounting plate.

In some embodiments, the driving device for opening and closing the vehicle door further includes a driving member, the driving member is disposed on the vehicle body fixing seat, and the driving member is connected to the swing arm.

In some embodiments, the driving member is an electric stay, a fixed end of the electric stay is connected with the vehicle body fixing seat, and a telescopic end of the electric stay is connected with the swing arm.

In some embodiments, the swing arm includes a first section and a second section, the first section is connected with the vehicle body fixing seat, the second section is connected with the vehicle door fixing seat, an included angle is formed at the joint of the first section and the second section, and the other end of the electric stay bar is rotatably connected with the second section.

The utility model discloses door assembly includes above-mentioned embodiment the drive arrangement of door switching.

The utility model discloses door assembly, through the drive arrangement who adopts above-mentioned door switching, the swing arm rotates and can drive the door switching, compares in the door and opens around the tie point rotation, has reduced the required space of door switching stroke on the width direction of automobile body, adapts to more parking point restrictions, has eliminated the potential safety hazard when the door is opened.

The vehicle of the embodiment of the utility model provides a vehicle door assembly including above-mentioned embodiment.

The utility model discloses the vehicle, through adopting above-mentioned door assembly, the adaptable multiple parking point of vehicle does not have the potential safety hazard when the door is opened.

Drawings

Fig. 1 is an assembly schematic diagram of a driving device for opening and closing a vehicle door and the vehicle door according to an embodiment of the present invention, wherein the vehicle door is in a closed state.

Fig. 2 is an action schematic diagram of a process of opening the vehicle door by the driving device for opening and closing the vehicle door according to the embodiment of the invention.

Fig. 3 is an assembly schematic diagram of a driving device for opening and closing a vehicle door and the vehicle door according to an embodiment of the present invention, wherein the vehicle door is in an open state.

Fig. 4 is a schematic structural diagram of a driving device for opening and closing a vehicle door according to an embodiment of the present invention when the vehicle door is closed.

Fig. 5 is reference numerals of a structure schematic diagram of a driving device for opening and closing a vehicle door according to an embodiment of the present invention when the vehicle door is opened:

the automobile door fixing device comprises a driving device 100, an automobile body fixing seat 1, an automobile door fixing seat 2, a swing arm 3, a driving piece 4, an auxiliary arm 5, a matching column 51, a first connecting rod 6, a first connecting seat 61, a hinge 62, a second connecting rod 7, a second connecting seat 71, a mounting plate 8, an automobile door 9 and an automobile body 10.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 5, a driving device 100 for opening and closing a vehicle door according to an embodiment of the present invention includes a vehicle body fixing seat 1, a vehicle door fixing seat 2, a swing arm 3, an auxiliary arm 5, and a stopper.

Specifically, as shown in fig. 1 to 5, one end of the swing arm 3 is connected to the vehicle body fixing seat 1, the swing arm 3 is rotatable relative to the vehicle body fixing seat 1, the other end of the swing arm is rotatably connected to the auxiliary arm 5, the vehicle door fixing seat 2 is mounted on the auxiliary arm 5, the vehicle door fixing seat 2 has a vehicle door mounting surface for mounting the vehicle door 9, one end of the stopper is rotatably connected to the vehicle body fixing seat 21, the other end of the stopper is rotatably connected to the auxiliary arm 5, the rotation directions of the swing arm 3 and the auxiliary arm 5 are opposite to each other under the action of the stopper, and the vehicle door mounting surface is perpendicular to the vehicle width direction.

It can be understood that, in the related art, the door fixing base 2 is fixedly connected with the swing arm 3, and then the door 9 can rotate along with the rotation of the swing arm 3, and in the open state, the door 9 extends obliquely in the direction away from the vehicle body 10, and in the present application, because the swing arm 3 is rotatably connected with the door fixing base 2, when the swing arm 3 rotates to open the door 9, the door fixing base 2 can be controlled to rotate by using the limiting member to adjust the angle of the door 9, so that the door 9 becomes parallel to the vehicle body 10 from the original oblique direction, and the extension amount of the door 9 in the Y direction (the width direction of the vehicle body 10) is reduced.

Specifically, taking the process of opening the vehicle door 9 as an example, the swing arm 3 rotates outward relative to the vehicle body, and then the swing arm 3 can drive the vehicle door fixing seat 2 to move synchronously through the auxiliary arm 5, so that the vehicle door 9 is driven to open through the rotation of the swing arm 3, and in this process, along with the rotation of the swing arm 3, the position of the auxiliary arm 5 can change, and because the limiting member is connected between the vehicle body fixing seat 1 and the auxiliary arm 5, the position of the vehicle body fixing seat 1 does not change, the position change of the auxiliary arm 5 can generate an acting force between the auxiliary arm 5 and the limiting member, and because the position change of the auxiliary arm 5 moves along with the swing arm 3, the acting force between the auxiliary arm 5 and the limiting member can act reversely on the auxiliary arm 5, so as to push the auxiliary arm 5 to rotate reversely relative to the swing arm 3.

Referring to fig. 4, the position limiting member includes a first link 6, one end of the first link 6 is rotatably connected to the vehicle body fixing seat 1, and the other end of the first link 6 is rotatably connected to the auxiliary arm 5, and as shown in fig. 4, the vehicle door is in a closed state, at this time, it is defined that one side of the swing arm 3 facing the inside of the vehicle body is an inner side, and the other side is an outer side, and then the first link 6 is located at the inner side of the swing arm 3, and during the opening process of the vehicle door, the swing arm 3 rotates outward, and at this time, the auxiliary arm 5 pulls the first link 6, and correspondingly, an acting force between the first link 6 and the auxiliary arm 5 will pull the auxiliary arm 5 to rotate inward, so that the auxiliary arm 5 synchronously keeps the auxiliary arm 5 rotating in the reverse direction during the movement process of the swing arm 3, and the vehicle door fixing seat 2 connected to the auxiliary arm 5 also rotates in the reverse direction, that the position of the vehicle door fixing seat 2 will move with the swing arm 3 to open and close the vehicle door, but the vehicle door fixing seat 2 will always remain parallel to the vehicle body, and reduce the amount of the vehicle door extending.

The utility model discloses a drive arrangement of door switching, the one end of swing arm is rotationally connected with the automobile body fixing base, the other end rotates with the auxiliary arm to be connected, be equipped with the door fixing base on the auxiliary arm, the one end and the automobile body fixing base of locating part rotate to be connected, the other end and the auxiliary arm of locating part are connected, under the effect of locating part, the relative swing arm antiport of auxiliary arm, and door installation face keeps perpendicular with automobile body width direction, when the swing arm swings promptly, the auxiliary arm makes the effort that produces between auxiliary arm and the locating part along with the swing arm motion, and because the position change of auxiliary arm is along with the swing arm motion, then according to the force interaction, this effort can promote the relative swing arm antiport of auxiliary arm, thereby make the door fixing base along with the in-process of swing arm motion, its door installation face remains perpendicular with automobile body width direction all the time, install the door on the door installation face and remain parallel with the automobile body all the time promptly, compare in the door that the rotation type was opened, the door stretching amount is little, required space on the width direction of door stroke has been reduced, adapt to more parking point restrictions, the potential safety hazard when the door was opened has been eliminated.

Further, as shown in fig. 4 and 5, the limiting member includes a first connecting rod 6, the door fixing base 2 is connected to one end of the auxiliary arm 5, one end of the first connecting rod 6 is rotatably connected to the body fixing base 1, the other end of the first connecting rod 6 is rotatably connected to the other end of the auxiliary arm 5, the swing arm 3 is rotatable around a first axis a, the auxiliary arm 5 is rotatable around a second axis b relative to the swing arm 3, and the extending directions of the first axis a and the second axis b are the same.

Specifically, as shown in fig. 4 and 5, when the swing arm 3 rotates, the auxiliary arm 5 moves along with the rotation of the swing arm 3, and at this time, when the constraint of the first connecting rod 6 is not considered, the door fixing seat 2 moves along with the auxiliary arm 5, and since the motion of the swing arm 3 includes the Y direction (the width direction of the vehicle body 10) and the X direction (the length direction of the vehicle body 10), the door 9 extends obliquely relative to the vehicle body 10, and since the connection between the first connecting rod 6 and the auxiliary arm 5 is constrained, when the auxiliary arm 5 moves along with the swing arm 3, the first connecting rod 6 pulls one end of the auxiliary arm 5, so that the auxiliary arm 5 rotates in the opposite direction relative to the swing arm 3, and therefore, the deflection of the door fixing seat 2 caused by the rotation of the swing arm 3 is offset by the deflection of the auxiliary arm 5, so that the door 9 and the vehicle body 10 can be used in parallel.

In addition, it can be understood that the first connecting rod 6 can only perform a unilateral restriction function on the door fixing seat 2, and when the door fixing seat 2 receives an applied external force, rotation with a non-preset track can occur. For example, after the door 9 is opened, a person applies an outward or inward rotational force to the door 9, the door holder 2 will rotate the auxiliary arm 5, and the position and orientation of the door 9 cannot be fixed.

Therefore, in order to realize the controllability of the position of the vehicle door 9, the limiting part of the present application further includes a second connecting rod 7, one end of the second connecting rod 7 is rotatably connected with the vehicle body fixing seat 1, the other end of the second connecting rod 7 is rotatably connected with the vehicle door fixing seat 2, the vehicle door fixing seat 2 is rotatable around a third axis c relative to the auxiliary arm 5, the third axis c is perpendicular to the second axis b, the third axis c is perpendicular to the vehicle door mounting surface, and when the swing arm 3 rotates around the first axis a, the vehicle door fixing seat 2 rotates around the third axis c under the constraint of the second connecting rod 7.

Specifically, as shown in fig. 4 and 5, a matching column 51 extending along the third axis c is disposed at a connecting end of the auxiliary arm 5 and the door fixing seat 2, and a matching hole for assembling the matching column 51 is disposed on the door fixing seat 2, so that when the swing arm 3 rotates, the first connecting rod 6 restricts the auxiliary arm 5 to rotate in the opposite direction, and at this time, under the restriction of the second connecting rod 7, the door fixing seat 2 rotates around the matching column 51 relative to the auxiliary arm 5, that is, the door fixing seat 2 rotates in a vertical plane, so that the orientation of the door mounting surface is not changed during the linkage process.

In addition, three connecting points can be formed among the first connecting rod 6, the second connecting rod 7, the swing arm 3 and the auxiliary arm 5, the swing arm 3 is a middle supporting point of the auxiliary arm 5, when the swing arm 3 stops rotating, the first connecting rod 6 and the second connecting rod 7 can be mutually constrained to fix the position of the auxiliary arm 5, and the vehicle door 9 is prevented from deflecting when external force is applied.

It can be understood that, if only set up second connecting rod 7 and be used for retraining the position of door 9, under the rotatable prerequisite of the relative auxiliary arm 5 of door fixing base 2 not considered, when swing arm 3 rotated, the reversal of the control auxiliary arm 5 of first connecting rod 6 can be restricted by second connecting rod 7 to lead to the linkage can't realize or can only carry out the rotation of small angle, can't realize opening of door 9, and it is rotatable to auxiliary arm 5 relatively through door fixing base 2, can utilize the rotation of auxiliary arm 5 to offset the restraint of second connecting rod 7.

From this, through setting up the second connecting rod 7 with door fixing base 2 rotatable coupling, and the relative auxiliary arm 5 of door fixing base 2 can be at vertical in-plane rotation, can utilize head rod 6 and second connecting rod 7 to provide two side restrictions and can realize the fixed of door 9 when door 9 is opened, can utilize the rotation of door fixing base 2 to offset the restriction of second connecting rod 7 again, avoid the linkage card to pause, guarantee that door 9 normally opens under the condition that does not take place the slope.

Alternatively, as shown in fig. 4 and 5, the first connecting rod 6 is connected with the vehicle body fixing seat 1 through a ball, the other end of the first connecting rod is connected with the auxiliary arm 5 through a hinge 62, and the second connecting rod 7 is connected with the vehicle door fixing seat 2 and the vehicle body fixing seat 1 through balls.

Alternatively, as shown in fig. 4 and 5, the vehicle body fixing seat 1 includes a bottom plate and a mounting plate 8, the swing arm 3 is connected to the mounting plate 8, and the connection point of the first connection rod 6 and the connection point of the second connection rod 7 are respectively located on two sides of the mounting plate 8 in the extending direction of the third axis c.

As shown in fig. 4 and 5, the joint between the door fixing seat 2 and the second connecting rod 7 and the joint between the auxiliary arm 5 and the first connecting rod 6 are respectively located at two sides of the swing arm 3, and accordingly, the first connecting rod 6 and the second connecting rod 7 are respectively connected to different sides of the bottom plate, so that the layout is facilitated, and the restraint and linkage of the connecting rods can be realized.

Alternatively, as shown in fig. 4 and 5, a first connecting seat 61 and a second connecting seat 71 are provided on the bottom plate, the first connecting seat 61 is connected with the ball of the first connecting rod 6, and the second connecting seat 71 is connected with the ball of the second connecting rod 7.

Alternatively, as shown in fig. 4 and 5, the driving device 100 for opening and closing the vehicle door further includes a driving member 4, the driving member 4 is disposed on the vehicle body fixing seat 1, and the driving member 4 can drive the swing arm 3 to rotate. Thus, the driver 4 can automatically open and close the door 9 by driving the swing arm 3.

Optionally, the driving member 4 is an electric stay bar, one end of the electric stay bar is rotatably connected with the vehicle body fixing seat 1, and the other end of the electric stay bar is rotatably connected with the swing arm 3. Specifically, when the electric stay bar extends out, the swing arm 3 can be pushed to rotate so as to drive the vehicle door 9 to open, and when the electric stay bar retracts, the swing arm 3 can be pushed to rotate so as to drive the vehicle door 9 to close.

Optionally, the swing arm 3 includes a first section and a second section, the first section is connected to the vehicle body fixing seat 1, the second section is connected to the vehicle door fixing seat 2, an included angle is formed at a joint of the first section and the second section, and the other end of the electric stay bar is rotatably connected to the second section. From this, be the swing arm 3 of certain angle bending, the electric stay pole biography power of being convenient for.

The vehicle door 9 assembly of the embodiment of the present invention includes the vehicle door opening and closing driving device 100 of the above embodiment.

The utility model discloses door 9 assembly, through the drive arrangement 100 who adopts above-mentioned door switching, swing arm 3 rotates and to drive 9 switchings of door, compares in door 9 and opens around the tie point is rotatory, has reduced 9 switchings strokes of door in the required space on the width direction of automobile body 10, adapts to more parking point restrictions, has eliminated the potential safety hazard when door 9 opens.

The vehicle of the embodiment of the utility model comprises the vehicle door 9 assembly of the embodiment.

The utility model discloses vehicle, through adopting above-mentioned door 9 assemblies, the adaptable multiple parking point of vehicle does not have the potential safety hazard when door 9 is opened.

In the description of the present invention, it is to 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", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean 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 present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations to the above embodiments by those of ordinary skill in the art are intended to be within the scope of the present invention.

Claims (10)

1. A drive device for opening and closing a vehicle door, comprising:

the swing arm is connected with the vehicle body fixing seat, and can rotate relative to the vehicle body fixing seat;

locating part, auxiliary arm and door fixing base, the auxiliary arm with the swing arm is kept away from the one end of automobile body fixing base is rotated and is connected, just the door fixing base with the auxiliary arm is connected, the door fixing base has the door installation face that is used for installing the door, the one end of locating part with the automobile body fixing base rotates to be connected, the other end of locating part with the auxiliary arm rotates to be connected under the effect of locating part, the swing arm with the rotation opposite direction of auxiliary arm, just the door installation face keeps perpendicular with automobile body width direction.

2. The driving device for opening and closing the vehicle door according to claim 1, wherein the limiting member comprises a first connecting rod, the vehicle door fixing seat is connected to one end of the auxiliary arm, one end of the first connecting rod is rotatably connected to the vehicle body fixing seat, the other end of the first connecting rod is rotatably connected to the other end of the auxiliary arm, the swing arm is rotatable around a first axis, the auxiliary arm is rotatable around a second axis relative to the swing arm, and the first axis and the second axis extend in the same direction.

3. The apparatus according to claim 2, wherein the limiting member further comprises a second connecting rod, one end of the second connecting rod is rotatably connected to the body fixing base, the other end of the second connecting rod is rotatably connected to the door fixing base, the door fixing base is rotatable around a third axis relative to the auxiliary arm, the third axis is perpendicular to the second axis, and the third axis is perpendicular to the door mounting surface, and when the swing arm rotates around the first axis, the door fixing base rotates around the third axis under the constraint of the second connecting rod.

4. The vehicle door opening and closing driving device according to claim 3, wherein one end of the first connecting rod is connected to the vehicle body fixing base through a ball, the other end of the first connecting rod is connected to the auxiliary arm through a hinge, and the second connecting rod is connected to both the vehicle door fixing base and the vehicle body fixing base through a ball.

5. The apparatus according to claim 3, wherein the body mount includes a bottom plate and a mounting plate, the swing arm is rotatably connected to the mounting plate, and a connection point of the first link and the bottom plate and a connection point of the second link and the bottom plate are located on both sides of the mounting plate, respectively, in an extending direction of the third axis.

6. The vehicle door opening and closing driving device according to any one of claims 1 to 5, further comprising a driving member, wherein the driving member is disposed on the vehicle body fixing seat, and the driving member is connected to the swing arm.

7. The driving device for opening and closing the vehicle door according to claim 6, wherein the driving member is an electric stay, a fixed end of the electric stay is connected with the vehicle body fixing seat, and a telescopic end of the electric stay is connected with the swing arm.

8. The driving device for opening and closing the vehicle door according to claim 7, wherein the swing arm comprises a first section and a second section, the first section is connected with the vehicle body fixing seat, the second section is connected with the vehicle door fixing seat, an included angle is formed at the joint of the first section and the second section, and the other end of the electric stay bar is rotatably connected with the second section.

9. A vehicle door assembly comprising a vehicle door opening/closing drive device according to any one of claims 1 to 8.

10. A vehicle comprising the door assembly of claim 9.

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