Vehicle door driving mechanism, vehicle door device and vehicle

Abstract

The utility model discloses a vehicle door driving mechanism, a vehicle door device and a vehicle, and belongs to the technical field of vehicles. In the vehicle door driving mechanism, when a driving piece drives a first connecting piece to move relative to a second connecting piece, a first guiding part is in guiding fit with a second guiding part; the first connecting piece and the second connecting piece can move relatively in the first direction, the stability of the relative movement can be kept, the first connecting piece can rotate around the rotating axis relative to the second connecting piece, and the stability of the relative rotation can be kept. Therefore, the vehicle door driving mechanism can be used for driving the vehicle door to translate and rotate relative to the vehicle body, so that the vehicle door is rotationally opened and closed and can be further applied to the rotor door, and stable opening and closing of the rotor door are guaranteed.

Description

Technical Field

[0001] This application belongs to the field of vehicle technology, specifically relating to a door drive mechanism, a door device, and a vehicle. Background Technology

[0002] Car doors are the passageways for passengers to enter and exit the vehicle. They are used frequently and attract a great deal of attention, so in recent years, various novel car door designs have emerged, such as scissor doors, butterfly doors, gull-wing doors, and rotary doors. Rotary doors are a type of car door that opens and closes by rotating around a left-right axis at the front of the door. The reason why this type of door is rarely used is mainly because the current drive mechanism for opening and closing rotary doors is unstable. Utility Model Content

[0003] Purpose of the utility model: The embodiments of this application provide a door drive mechanism, which aims to overcome the technical problem of unstable working performance of the drive mechanism for opening and closing rotary doors; another purpose of the embodiments of this application is to provide a door device; a third purpose of this application is to provide a vehicle.

[0004] Technical solution: A door drive mechanism according to an embodiment of this application includes:

[0005] The first connector is provided with a first guide portion;

[0006] The second connector is provided with a second guide portion;

[0007] A driving component is connected to the first connecting component and the second connecting component respectively, and is used to drive the first connecting component and the second connecting component to move relative to each other, so that the first guide portion and the second guide portion are guided and engaged.

[0008] The first guide portion and the second guide portion are guided and engaged so that the first connector and the second connector can move relative to each other in a first direction and can rotate relative to each other about a rotation axis that extends along the first direction;

[0009] The first direction is the direction from the second connector to the first connector.

[0010] In some embodiments, the second guide portion includes a first guide segment, the first guide portion and the first guide segment guidingly cooperating to cause the first connector and the second connector to rotate relative to each other about a rotation axis when they move relative to each other in the first direction.

[0011] In some embodiments, the second guide portion further includes a second guide segment, and the second guide segment and the first guide segment are arranged sequentially along the first direction;

[0012] The first guide portion and the second guide segment guide each other to move relative to each other in the first direction.

[0013] In some embodiments, the driving member is used to drive the first connecting member to move relative to the second connecting member between a first position and a second position;

[0014] When the first connector is in the first position, the door drive mechanism has a first dimension L1 in the first direction; when the first connector is in the second position, the door drive mechanism has a second dimension L2 in the first direction; satisfying: L1 <L2。

[0015] In some embodiments, when the first connector is in the first position, the first guide portion guides and engages with the second guide segment.

[0016] When the first connector is in the second position, the first guide portion and the first guide segment guide each other.

[0017] In some embodiments, one of the first connector and the second connector is sleeved on the outer periphery of the other, and one is connected to the fixed end of the drive member, while the other is connected to the movable end of the drive member. The drive member passes through the first connector and the second connector along the first direction.

[0018] In some embodiments, the first connector includes a first outer wall, and the first guide portion is disposed on the first outer wall;

[0019] The second connector is sleeved on the outside of the first outer wall, and the second connector includes a first inner wall facing the first outer wall, and the second guide portion is disposed on the first inner wall.

[0020] In some embodiments, the door drive mechanism further includes:

[0021] A sliding bearing is provided, and the first connecting member is slidably connected to the second connecting member via the sliding bearing.

[0022] In some embodiments, the sliding bearing is disposed at one end of the second connector near the first connector and sleeved on the first outer wall.

[0023] In some embodiments, the second connector includes a second outer wall, and the second guide portion is disposed on the second outer wall;

[0024] The first connector is sleeved on the outside of the second outer wall, and the first connector includes a second inner wall facing the second outer wall, and a first guide portion is disposed on the second inner wall.

[0025] In some embodiments, the first guide segment is connected to the second guide segment, and the first guide segment extends spirally about the axis of rotation in the first direction;

[0026] The second guide segment extends in a straight line in the first direction.

[0027] In some embodiments, the first guide segment is connected to the second guide segment, and both the first guide segment and the second guide segment extend helically about the rotation axis in the first direction, and the helix angle of the first guide segment is greater than the helix angle of the second guide segment.

[0028] In some embodiments, the first connector is provided with a plurality of first guide portions, and the second connector is provided with a plurality of second guide portions, wherein the plurality of first guide portions and the plurality of second guide portions are respectively arranged around the rotation axis;

[0029] Each of the second guide parts is guided and engaged with one of the first guide parts.

[0030] In some embodiments, the first guide portion is configured as a guide protrusion and the second guide portion is configured as a guide groove; or, the first guide portion is configured as a guide groove and the second guide portion is configured as a guide protrusion.

[0031] The guide protrusion is movably disposed within the guide groove.

[0032] In some embodiments, the door drive mechanism further includes:

[0033] A first flange is disposed on the first connector;

[0034] The second flange is disposed on the second connector.

[0035] Accordingly, the vehicle door device described in this application embodiment includes:

[0036] The door drive mechanism as described above, and,

[0037] The door body is connected to the door drive mechanism, which is used to drive the door body to open and close.

[0038] In some embodiments, the door body is connected to a first connector of the door drive mechanism, and a second connector of the door drive mechanism is used to connect to the vehicle body; or,

[0039] The door body is connected to the second connector, and the first connector is used to connect to the vehicle body.

[0040] In some embodiments, the door drive mechanism is connected to the front of the door body; the door assembly further includes:

[0041] The first electric suction lock and the first latch cooperate with each other. One of the first electric suction lock and the first latch is located at the front of the door body, and the other is located on the vehicle body.

[0042] In some embodiments, the door assembly further includes:

[0043] The second electric suction lock and the second latch cooperate with each other. One of the second electric suction lock and the second latch is located at the rear of the door body, and the other is located on the vehicle body.

[0044] Accordingly, a vehicle as described in the embodiments of this application includes the door drive mechanism as described above; or, includes the door device as described above.

[0045] Beneficial Effects: In the door drive mechanism of this application embodiment, the drive member can drive the first connecting member and the second connecting member to move relative to each other, so that the first guide portion and the second guide portion guide and cooperate with each other, enabling the first connecting member and the second connecting member to move relative to each other in a first direction, and enabling the first connecting member and the second connecting member to rotate relative to each other. During the above-mentioned relative movement, the first guide portion and the second guide portion cooperate with each other to ensure the stability of the relative movement. Therefore, this door drive mechanism can be used for the stable opening and closing of a rotary door. Specifically, when the drive member drives the first connecting member to move relative to the second connecting member, the first guide portion and the second guide portion guide and cooperate, enabling the first connecting member and the second connecting member to move relative to each other in a first direction and maintain the stability of the relative movement, and also enabling the first connecting member to rotate relative to the second connecting member around the rotation axis and maintain the stability of the relative rotation. Therefore, this door drive mechanism can be used to drive the door to move and rotate relative to the vehicle body, enabling the door to open and close in a rotary manner, and can be applied to rotary doors to ensure the stable opening and closing of rotary doors.

[0046] The door device of this application embodiment may include all the technical features and beneficial effects of the above-described door drive mechanism, which will not be repeated here.

[0047] The vehicle in this application embodiment may include all the technical features and beneficial effects of the above-described door drive mechanism or door device, which will not be repeated here. Attached Figure Description

[0048] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0049] Figure 1 This is a schematic diagram of the structure of a door drive mechanism provided in some embodiments of this application;

[0050] Figure 2 Exploded structural diagrams of parts of a door drive mechanism provided in some embodiments of this application;

[0051] Figure 3 A perspective structural schematic diagram of the second connecting member of the door drive mechanism provided in some embodiments of this application;

[0052] Figure 4 for Figure 1 A schematic diagram of another state of the door drive mechanism in the illustrated embodiment;

[0053] Figure 5 This is a schematic diagram of the structure of a door drive mechanism in a first position state provided in some embodiments of this application;

[0054] Figure 6 A schematic diagram of the door drive mechanism in a second position state provided in some embodiments of this application;

[0055] Figure 7 A schematic diagram of a first connecting member and a second connecting member in a door drive mechanism provided in some embodiments of this application;

[0056] Figure 8 Another structural schematic diagram of the first and second connecting members in the door drive mechanism provided in some embodiments of this application;

[0057] Figure 9 Another structural schematic diagram of the first and second connecting members in the door drive mechanism provided in some embodiments of this application;

[0058] Figure 10 Exploded view of the components of the door assembly provided in some embodiments of this application;

[0059] Figure 11 Schematic diagram of the mating structure of the door device provided in other embodiments of this application;

[0060] Figure 12 Schematic diagram of the mating structure of the door device provided in other embodiments of this application;

[0061] Figure 13 This application provides structural schematic diagrams of vehicles for some embodiments;

[0062] Figure 14 A schematic diagram showing the open state of a vehicle door body according to some embodiments of this application;

[0063] Reference numerals: 10-Vehicle; 20-Door assembly; 100-Door drive mechanism; 110-First connector; 111-First guide section; 112-First outer wall; 113-Second inner wall; 120-Second connector; 125-Second guide section; 121-Second guide segment; 122-First guide segment; 123-First inner wall; 124-Second outer wall; 130-Driver; 131-Fixed end; 132-Modible End; 133-Fixing nut; 134-First retaining ring; 140-Sliding bearing; 141-Second retaining ring; 150-First flange; 160-Second flange; 200-Door body; 210-Front; 220-Rear; 230-First electric suction lock; 240-First latch; 250-Second electric suction lock; 260-Second latch; 270-Fasting bolt; 300-Body body; Y-First direction; OO'-Rotation axis. Detailed Implementation

[0064] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of this application.

[0065] In the description of this application, it should be understood that the terms "length," "width," "height," "upper," "lower," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. "A plurality of" means two or more, and "at least one" can mean one, two, or more, unless otherwise explicitly specified. The terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two elements or the interaction relationship between two elements. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

[0066] In the description of this application, the first direction is introduced to more clearly illustrate the shape and / or structure of each component in the door drive mechanism 100, as well as the connection relationship and / or relative positional relationship between the components. In the drawings, the first direction Y is indicated by an arrow marked Y, which is the direction from the second connector 120 to the first connector 110 in the door drive mechanism 100. The door drive mechanism 100 can be used in the door device 20 to drive the door body 200 to open and close in the vehicle 10. Depending on the installation angle of the actual door device 20 in the vehicle 10, the door drive mechanism 100 can be arranged along the width direction of the vehicle 10, and the first direction Y can overlap with the width direction of the vehicle 10; the door drive mechanism 100 can also be tilted to the width direction of the vehicle 10 as needed, that is, the first direction Y can have an angle with the width direction of the vehicle 10. Here, with the vehicle driver as a reference, the width direction corresponds to the driver's left and right direction.

[0067] In recent years, users have increasingly focused on stylish, technological, and cool features when choosing vehicles. As the passageway for users to enter and exit the vehicle, car doors are frequently used and receive considerable attention. Therefore, various novel door designs have emerged on the market, such as scissor doors, butterfly doors, gull-wing doors, and rotary doors. Rotary doors are doors that open and close by rotating around a left-right (vehicle width) axis at the front of the door. They have a unique and dynamic appearance that attracts attention. They not only enhance the vehicle's aesthetic value and personalization but also facilitate entry and exit, especially in narrow parking spaces or confined areas. However, rotary doors also face technical challenges such as complex drive mechanisms, high manufacturing difficulty, unstable performance, and safety hazards.

[0068] In view of the above, embodiments of this application provide a door drive mechanism 100, a door device 20, and a vehicle 10 to solve at least one of the above-mentioned technical problems.

[0069] Please also refer to Figure 1 , Figure 2 , Figure 3 and combined Figures 10 to 14 In this embodiment, the door drive mechanism 100 is part of the vehicle 10, used to connect the door body 200 and the vehicle body 300, and to drive the door body 200 to move relative to the vehicle body 300, thereby opening and closing the door body 200. In particular, the door drive mechanism 100 in this embodiment is used for a rotary door, enabling stable opening and closing of the rotary door, ensuring its operational stability, and improving the user experience.

[0070] The door drive mechanism 100 includes a first connector 110, a second connector 120, and a drive member 130. One of the first connector 110 and the second connector 120 is used to connect to the door body 200, and the other is used to connect to the vehicle body 300. For example, Figure 10 In the illustrated embodiment, the first connector 110 is connected to the door body 200, and the second connector 120 is connected to the vehicle body 300; Figure 11 and Figure 12 In the illustrated embodiment, the second connector 120 is connected to the door body 200, and the first connector 110 is connected to the vehicle body 300. The drive member 130 is used to transmit power between the first connector 110 and the second connector 120, enabling relative movement between the first connector 110 and the second connector 120, thereby opening and closing the door body 200.

[0071] The first connecting member 110 is provided with a first guide portion 111, and the second connecting member 120 is provided with a second guide portion 125. The first guide portion 111 and the second guide portion 125 are configured as compatible guide structures, for example, one of them is a guide protrusion and the other is a guide groove. The guide protrusion can be disposed in the guide groove so that the first guide portion 111 and the second guide portion 125 can guide and cooperate with each other. Here, guide cooperation refers to a kind of cooperation method in mechanical assembly, in which position positioning and motion control are achieved through the interaction between two parts. In the embodiments of this application, through the guide cooperation of the first guide portion 111 and the second guide portion 125, motion control of the relative movement of the first connecting member 110 and the second connecting member 120 can be achieved, so that the first connecting member 110 can move relative to the second connecting member 120 along a predetermined motion path. The guide cooperation of the first guide portion 111 and the second guide portion 125 defines the motion path and maintains the stability of the relative movement of the first connecting member 110 and the second connecting member 120.

[0072] The drive component 130 is connected to the first connector 110 and the second connector 120 respectively. The drive component 130 can provide driving force, causing the first connector 110 and the second connector 120 to move relative to each other. The drive component 130 can be a device that can provide driving force, such as an electric strut, a linear motor, or a ball screw.

[0073] When the driving member 130 drives the first connecting member 110 to move relative to the second connecting member 120, the first guide portion 111 can move relative to the second guide portion 125 to guide and cooperate with the second guide portion 125, so that the first connecting member 110 and the second connecting member 120 can move relative to each other in the first direction Y. Furthermore, through the guiding cooperation between the two, the first connecting member 110 and the second connecting member 120 can also rotate relative to each other around the rotation axis OO', which extends along the first direction Y.

[0074] Therefore, the door drive mechanism 100 can be used to drive a rotary door. When the drive member 130 drives the first connecting member 110 to move relative to the second connecting member 120, the first guide portion 111 and the second guide portion 125 guide each other and cooperate to drive the door body 200 to move and rotate relative to the vehicle body 300, so that the door body 200 can move outward and rotate to open relative to the vehicle body 300, and can also move inward and rotate to close relative to the vehicle body 300. Furthermore, the mutual guidance and cooperation of the first guide portion 111 and the second guide portion 125 can also ensure the stability of the opening and closing movement of the door body 200.

[0075] In some embodiments, the second guide portion 125 includes a first guide segment 122, which guides the first guide portion 111 to rotate relative to the first guide segment 122, such that the first connector 110 and the second connector 120 rotate relative to each other about the rotation axis OO' when the first connector 110 and the second connector 120 move relative to each other in the first direction Y. The first guide segment 122 is a part of the second guide portion 125, that is, the first guide segment 122 is a section of the guide structure on the second guide portion 125, specifically, the first guide segment 122 is a section along the extension path of the second guide portion 125. Specifically, the second guide portion 125 can be a guide protrusion or a guide groove, and the first guide segment 122 can be a section of the guide protrusion or a section of the guide groove. Optionally, the first guide segment 122 can extend from one end of the second guide portion 125 to the other end. When the first guide portion 111 and the first guide segment 122 are in guiding engagement, the two modes of movement—the first connecting member 110 and the second connecting member 120 moving relative to each other in the first direction Y and rotating relative to each other around the rotation axis OO'—are synchronized. Therefore, when the door body 200 is driven to open and close relative to the vehicle body 300, the door body 200 can move and rotate synchronously relative to the vehicle body 300, improving the continuity of the opening and closing actions of the door body 200.

[0076] In some embodiments, the first guide segment 122 of the second guide portion 125 can be configured as a spiral, that is, the first guide segment 122 extends spirally in the first direction Y. Thus, when the first guide portion 111 moves relative to the first guide segment 122, it can move along a spiral trajectory, causing the first connector 110 and the second connector 120 to move relative to each other along the spiral trajectory, thereby achieving synchronous relative movement and relative rotation of the first connector 110 and the second connector 120.

[0077] Optionally, the first guide segment 122 can extend spirally at different positions with different helix angles, where the helix angle refers to the angle between the spiral line of the first guide segment 122 and the plane perpendicular to the rotation axis OO'. It is used to describe the degree of inclination or rotation angle of the spiral extension of the first guide segment 122. For example, along the first direction Y, the helix angle of the spiral extension of the first guide segment 122 can gradually increase, or it can extend first with a first helix angle and then with a second helix angle. With this configuration, when the door drive mechanism 100 drives the door body 200 to open relative to the body 300 from its closed position, the initial helix angle is smaller, and the rotation amplitude of the door body 200 relative to the body 300 is smaller, which can reduce the possibility of interference between the door body 200 and the body 300. As the door body 200 moves outward relative to the body 300 along the first direction Y, the distance between the door body 200 and the body 300 increases, and the number of surrounding components that can cause interference is further reduced. At this time, the helix angle is larger, and the rotation amplitude of the door body 200 relative to the body 300 is larger. Thus, the door can be opened efficiently and stably, and interference with the body structure can be effectively avoided.

[0078] Optionally, in some vehicle models, where there is no body structure 300 around the door body 200 that would interfere with it, the first guide section 122 can be set to always extend spirally at a certain fixed helical angle.

[0079] In some embodiments, the second guide portion 125 further includes a second guide segment 121, which is another part of the second guide portion 125. That is, the second guide segment 121 can be another structure in the guide protrusion or another structure in the guide groove. The helix angle of the spiral extension of the first guide segment 122 can be kept at a fixed angle, or it can be set in a way that gradually changes or uses different angles at different positions.

[0080] In some embodiments, the second guide segment 121 and the first guide segment 122 are arranged sequentially along a first direction Y, where the first direction Y is the direction from the second connector 120 to the first connector 110. The first guide portion 111 and the second guide segment 121 and the first guide segment 122 are configured as compatible guide structures. The first guide portion 111 is used to guide and cooperate with the second guide segment 121 and the first guide segment 122 respectively for guidance. In this embodiment, by guiding and cooperating with the first guide portion 111 and the second guide segment 121 and the first guide segment 122 respectively, motion control of the relative movement of the first connector 110 and the second connector 120 can be achieved, so that the first connector 110 can move relative to the second connector 120 along a predetermined motion path. The first guide portion 111 cooperates with the second guide segment 121 and the first guide segment 122 respectively to define the motion path.

[0081] Since the second guide segment 121 and the first guide segment 122 in the second guide portion 125 are arranged sequentially along the first direction Y, when the driving member 130 drives the first connecting member 110 to move relative to the second connecting member 120 along the first direction Y, the first guide portion 111 can first guide and engage with the second guide segment 121, and then guide and engage with the first guide segment 122; when the driving member 130 drives the first connecting member 110 to move relative to the second connecting member 120 in the opposite direction of the first direction Y, the first guide portion 111 can first guide and engage with the first guide segment 122, and then guide and engage with the second guide segment 121.

[0082] When the first guide portion 111 engages with the second guide segment 121, the first connector 110 can move relative to the second connector 120 in the first direction Y. When the first guide portion 111 engages with the first guide segment 122, the first connector 110 can move relative to the second connector 120 in the first direction Y, and simultaneously the first connector 110 can rotate relative to the second connector 120 about the rotation axis OO', which extends along the first direction Y.

[0083] Specifically, the first connecting member 110 and the second connecting member 120 move relative to each other. The first guide portion 111 disposed on the first connecting member 110 and the second guide segment 121 and the first guide segment 122 disposed on the second connecting member 120 can move relative to each other, allowing the first guide portion 111 to engage with the second guide segment 121 and the first guide segment 122 respectively to achieve guidance. When the first guide portion 111 engages with the second guide segment 121, it can guide in the first direction Y, causing the first connecting member 110 to move relative to the second connecting member 120 in the first direction Y. When the first guide portion 111 engages with the first guide segment 122, it allows the first connecting member 110 to move relative to the second connecting member 120 in the first direction Y while simultaneously rotating relative to the rotation axis OO'.

[0084] Optionally, the second guide segment 121 can be linear, meaning that when the first guide portion 111 and the second guide segment 121 are guided and engaged, the first connecting member 110 can move linearly relative to the second connecting member 120 in the first direction Y. With this configuration, when the door drive mechanism 100 drives the door body 200 to open relative to the vehicle body 300 from its closed position, initially, the first guide portion 111 can first engage with the second guide segment 121, causing the door body 200 to move outward relative to the vehicle body 300 in the first direction Y. As the distance between the door body 200 and the vehicle body 300 increases, the first guide portion 111 can engage with the first guide segment 122, allowing the door body 200 to rotate relative to the vehicle body 300. This enables efficient and stable door opening while effectively preventing interference with the vehicle body structure.

[0085] Optionally, please refer to Figure 9 The second guide segment 121 can also be helical, meaning it extends spirally in the first direction Y. When the first guide portion 111 and the second guide segment 121 are guided and engaged, the first connector 110 can move relative to the second connector 120 in the first direction Y and rotate around the rotation axis OO'. The helix angle of the second guide segment 121 is smaller than that of the first guide segment 122. By setting the helix angles of both, interference between the door body 200 and the vehicle body 300 can be effectively avoided when the door body 200 is opened and closed. It is understood that in embodiments where the second guide segment 121 is helical, it can be considered as part of the first guide segment 122. The specific effects of this have been described above and will not be repeated here.

[0086] By configuring the door drive mechanism 100 of this application embodiment with the above-described structure, the guide structure can maintain its guiding function while driving the door body 200, ensuring drive stability and thus guaranteeing operational performance. This door drive mechanism 100 can be used in the door device 20 of the vehicle 10, enabling the door body 200 to move outward relative to the vehicle body 300 and rotate to the open position, preventing interference between the door body 200 and the fenders / wheel covers of the vehicle body 300 during opening. It can also drive the door body 200, which is in the open position, to rotate relative to the vehicle body 300 and move inward to the closed position, preventing interference between the door body 200 and the fenders / wheel covers of the vehicle body 300 during closing. Therefore, the operational stability of the rotary door is guaranteed.

[0087] In some embodiments, the drive member 130 is used to drive the first connecting member 110 to move relative to the second connecting member 120 between a first position and a second position. That is, the drive member 130 provides a driving force to cause relative movement between the first connecting member 110 and the second connecting member 120, thereby moving the first connecting member 110 relative to the second connecting member 120 between the first position and the second position. In this process, one of the first connecting member 110 and the second connecting member 120 can be in a relatively fixed state, while the other is movable relative to it. For example, one of them can be mounted on the vehicle body 300 and fixed relative to it, while the other is mounted on the door body 200. Under the drive of the drive member 130, the relative movement between the two is realized, thereby realizing the movement of the first connecting member 110 relative to the second connecting member 120 between the first position and the second position.

[0088] Please also refer to Figure 1 , Figure 4 , Figure 5 and Figure 6 ,in, Figure 1 The first connecting member 110 of the middle door driving mechanism 100 is in the first position relative to the second connecting member 120. Figure 4 The first connecting member 110 of the middle door driving mechanism 100 is in the second position relative to the second connecting member 120. Figure 5 Illustrated Figure 1 The simplified structure of the middle door driving mechanism 100 Figure 6 Illustrated Figure 4 The simplified structure of the middle door driving mechanism 100. When the first connecting member 110 is in the first position, the door driving mechanism 100 has a first dimension L1 in the first direction Y; when the first connecting member 110 is in the second position, the door driving mechanism 100 has a second dimension L2 in the first direction Y; satisfying: L1 < L2. Wherein, the first dimension L1 and the second dimension L2 are length dimensions. That is to say, by driving the first connecting member 110 to move relative to the second connecting member 120 between the first position and the second position by the driving member 130, the door driving mechanism 100 can be elongated and shortened. The elongation action can be used for driving the door to open, and the shortening action can be used for driving the door to close. Thus, it helps to smoothly complete the opening and closing actions of the door body 200 translating outward and inward relative to the vehicle body 300. Wherein, the first position is the position where the first connecting member 110 moves relative to the second connecting member 120 when the door driving mechanism 100 is in the state of the shortest dimension in the first direction Y; the second position is the position where the first connecting member 110 moves relative to the second connecting member 120 when the door driving mechanism 100 is in the state of the longest dimension in the first direction Y.

[0089] In some embodiments, when the first connecting member 110 is in the first position, the first guiding portion 111 is in guiding cooperation with the second guiding section 121, and the door driving mechanism 100 has a shorter dimension in this state, corresponding to the door closed state, and the distance between the door body 200 and the vehicle body 300 is the closest. When the door needs to be opened, under the drive of the driving member 130, the first connecting member 110 and the second connecting member 120 first move relative to each other, and only start to rotate after the first guiding portion 111 cooperates with the first guiding section 122, thus helping to smoothly drive the door to open. When the first connecting member 110 is in the second position, the first guiding portion 111 is in guiding cooperation with the first guiding section 122, and the door driving mechanism 100 has a longer dimension in this state, corresponding to the door open state, and the distance between the door body 200 and the vehicle body 300 is the closest. When the door needs to be closed, under the drive of the driving member 130, the first connecting member 110 and the second connecting member 120 first rotate relative to each other and move relatively synchronously, and the rotation stops after the first guiding portion 111 cooperates with the second guiding section 121, thus helping to smoothly drive the door to close.

[0090] Please refer to Figures 1 to 8In some embodiments, in the first connector 110 and the second connector 120, one is sleeved on the outer periphery of the other, and one is connected to the fixed end 131 of the drive member 130, while the other is connected to the movable end 132 of the drive member 130. The drive member 130 passes through the first connector 110 and the second connector 120 along the first direction Y.

[0091] Optionally, in Figures 1 to 7 In the illustrated embodiment, the second connector 120 is sleeved on the outer periphery of the first connector 110, a portion of the first connector 110 is embedded in the inner cavity of the second connector 120, and can move and rotate along the inner cavity of the second connector 120. Figure 8 In the illustrated embodiment, the first connector 110 is sleeved on the outer periphery of the second connector 120, a portion of the second connector 120 is embedded in the inner cavity of the first connector 110, and can move and rotate along the inner cavity of the first connector 110.

[0092] By setting one of the first connector 110 and the second connector 120 to be fitted around the outer periphery of the other, on the one hand, the space occupied by the first connector 110 and the second connector 120 can be reduced, which is conducive to the miniaturization of the door drive mechanism 100. On the other hand, it is also conducive to guiding the relative movement between the first connector 110 and the second connector 120, making the working performance more stable.

[0093] Optionally, the driving component 130 passes through the first connecting component 110 and the second connecting component 120, with its fixed end 131 and movable end 132 connected to the first connecting component 110 and the other connected to the second connecting component 120. For example, the driving component 130 can be a driving structure such as an electric strut, cylinder, hydraulic cylinder, or linear motor. The fixed end 131 of the driving component 130 is mounted on the first connecting component 110, and the movable end 132 is connected to the second connecting component 120; or the fixed end 131 of the driving component 130 is mounted on the second connecting component 120, and the movable end 132 is connected to the first connecting component 110. The specific choice can be made according to actual needs. Furthermore, the driving component 130 can pass through the first connecting component 110 and the second connecting component 120, with the fixed end 131 and the movable end 132 of the driving component 130 protruding from their respective ends and assembled by a fixing nut 133 and / or a first retaining ring 134. For example, in Figures 1 to 7 In one embodiment, the fixed end 131 is positioned at the end of the second connector 120 by fixing nut 133 and / or first retaining ring 134, and the movable end 132 is positioned at the end of the first connector 110 by fixing nut 133 and / or first retaining ring 134.

[0094] By inserting the drive component 130 into the first connector 110 and the second connector 120, the space occupied by each structure of the door drive mechanism 100 is further reduced, making the door drive mechanism 100 more compact. This also facilitates the assembly of the drive component 130 and helps improve drive stability and drive efficiency.

[0095] Please combine them together Figure 2 and Figure 7 In some embodiments, the first connector 110 includes a first outer wall 112, and a first guide portion 111 is disposed on the first outer wall 112; the second connector 120 is sleeved on the outside of the first outer wall 112, that is, the second connector 120 is disposed around the first outer wall 112. The second connector 120 includes a first inner wall 123 facing the first outer wall 112, and a second guide segment 121 and a first guide segment 122 are disposed on the first inner wall 123. This embodiment employs a structure where the second connector 120 is fitted onto the outer periphery of the first connector 110. By placing the first guide portion 111 on the first outer wall 112 of the first connector 110, and the second guide segment 121 and the first guide segment 122 on the first inner wall 123 of the second connector 120 opposite to the first outer wall 112, the first guide portion 111 can be positioned opposite the second guide segment 121 and the first guide segment 122 respectively. This allows for more precise guiding and engagement between the first guide portion 111 and the second guide segment 121 and the first guide segment 122, improving guiding accuracy and thus enhancing operational stability. Furthermore, during assembly, simply fitting the second connector 120 onto the first outer wall 112 of the first connector 110 achieves the engagement between the guiding structures. This simple structure effectively reduces the difficulty of processing and assembly, thereby improving processing and assembly efficiency.

[0096] Please refer to it again. Figure 2 In some embodiments, the door drive mechanism 100 further includes a sliding bearing 140, through which the first connecting member 110 is slidably connected to the second connecting member 120. The second connecting member 120 is sleeved on the outer periphery of the first connecting member 110, and a portion of the first connecting member 110 is embedded in the inner cavity of the second connecting member 120, and can move and rotate along the inner cavity of the second connecting member 120. By providing the sliding bearing 140, on the one hand, the friction between the structures is reduced, making the movement and rotation of the first connecting member 110 relative to the second connecting member 120 more flexible; on the other hand, the sliding bearing 140 provides radial support, ensuring that the first connecting member 110 and the second connecting member 120 remain on the same axis during relative movement, improving the load-bearing capacity of the door, reducing uneven force during drive and causing tilting, and making the working state more stable.

[0097] Optionally, a sliding bearing 140 is disposed at one end of the second connector 120 near the first connector 110 and sleeved on the first outer wall 112. This facilitates installation and improves the radial support effect.

[0098] Optionally, the sliding bearing 140 can be fixed at the end opening of the second connector 120 near the first connector 110 by the second retaining ring 141, and the first connector 110 can be inserted into the inner cavity of the sliding bearing 140 and the second connector 120. The assembly structure is simple, easy to process and manufacture, improves processing efficiency and reduces maintenance difficulty.

[0099] Please see Figure 8 In other embodiments, the second connector 120 includes a second outer wall 124, a second guide segment 121, and a first guide segment 122 disposed on the second outer wall 124. The first connector 110 is sleeved around the second outer wall 124, i.e., the first connector 110 is disposed around the second outer wall 124. The first connector 110 includes a second inner wall 113 facing the second outer wall 124, and a first guide portion 111 is disposed on the second inner wall 113. This embodiment employs a structure where the first connector 110 is fitted onto the outer periphery of the second connector 120. By placing the first guide portion 111 on the second inner wall 113 of the first connector 110, and the second guide segment 121 and the first guide segment 122 on the second outer wall 124 of the second connector 120 opposite to the second inner wall 113, the first guide portion 111 can be positioned opposite the second guide segment 121 and the first guide segment 122 respectively. This allows for more precise guiding and engagement between the first guide portion 111 and the second guide segment 121 and the first guide segment 122, improving guiding accuracy and thus enhancing operational stability. Furthermore, during assembly, simply fitting the first connector 110 onto the second outer wall 124 of the second connector 120 achieves the engagement between the guiding structures. This simple structure effectively reduces the difficulty of processing and assembly, thereby improving processing and assembly efficiency.

[0100] Please also refer to Figure 3 , Figure 7 and Figure 8In some embodiments, the second guide segment 121 extends linearly in the first direction Y; the first guide segment 122 connects to the second guide segment 121 and extends spirally around the rotation axis OO'. Thus, in conjunction with the interlocking structure of the first connecting member 110 and the second connecting member 120, when the second guide segment 121 is guided and engaged with the first guide portion 111, the first guide portion 111 can move along the second guide segment 121, thereby achieving relative movement in the first direction Y; when the first guide segment 122 is guided and engaged with the first guide portion 111, the first guide portion 111 can move along the first guide segment 122, thereby achieving relative movement in the first direction Y while rotating around the rotation axis OO'. Furthermore, this guide structure is simple and easy to manufacture.

[0101] Optionally, the first connector 110 is provided with a first guide portion 111, and the second connector 120 is provided with multiple second guide portions 125. That is, the second connector 120 is provided with multiple second guide segments 121 and multiple first guide segments 122. The multiple first guide portions 111 and multiple second guide portions 125 are arranged around the rotation axis OO'. Each second guide portion 125 is guided and engaged with one first guide portion 111. Each second guide segment 121 is interconnected with one first guide segment 122, and the interconnected second guide segments 121 and first guide segments 122 are guided and engaged with the same first guide portion 111. By providing multiple first guide portions 111 and multiple second guide portions 125, guiding engagement can be achieved at different positions in the circumferential direction, further improving the stability of the guiding structure, ensuring the stability of the door opening and closing, and improving the user experience.

[0102] Optionally, the first guide portion 111 is configured as a guide protrusion, and the second guide portion 125 is configured as a guide groove, that is, the second guide segment 121 and the first guide segment 122 are respectively configured as guide grooves; or, the first guide portion 111 is configured as a guide groove, and the second guide portion 125 is configured as a guide protrusion, that is, the second guide segment 121 and the first guide segment 122 are respectively configured as guide protrusions; the guide protrusion is movably disposed in the guide groove to achieve guiding engagement.

[0103] For example Figure 2 , Figure 3 and Figure 7 In the illustrated embodiment, the first guide portion 111 is a guide protrusion disposed on the first outer wall 112. This guide protrusion can be directly fixed to the first outer wall 112, or it can be a ball bearing embedded in a receiving groove of the first outer wall 112 and protruding beyond the first outer wall 112. The second guide section 121 and the first guide section 122 are guide grooves disposed on the first inner wall 123. These guide grooves are recesses formed in the first inner wall 123. After the second connector 120 is fitted onto the first connector 110, the guide protrusion can be embedded into the guide groove to achieve a guiding fit. For example... Figure 8 In the illustrated embodiment, the first guide portion 111 is a guide protrusion disposed on the second inner wall 113. This guide protrusion can also be fixed to the second inner wall 113, or it can be a ball bearing embedded in a receiving groove in the second inner wall 113. The second guide section 121 and the first guide section 122 are guide grooves disposed on the second outer wall 124. These guide grooves are recesses formed on the second outer wall 124. After the first connector 110 is fitted onto the second connector 120, the guide protrusion can be embedded into the guide groove to achieve a guiding fit.

[0104] Alternatively, the second guide section 121 and the first guide section 122 can be guide protrusions provided on the first inner wall 123 or on the second outer wall 124. These guide protrusions can be guide rail structures protruding from the corresponding surfaces. Correspondingly, the first guide portion 111 can be a guide groove provided on the first outer wall 112 or on the second inner wall 113. This guide groove can be a structure protruding from the first outer wall 112 or the second inner wall 113, and the opposite side of this structure to the second guide section 121 and the first guide section 122 can be set as a concave surface that can cooperate with the guide rail structure.

[0105] Please refer to it again. Figure 1 In some embodiments, the door drive mechanism 100 further includes a first flange 150 and a second flange 160. The first flange 150 is disposed on the first connector 110, and the second flange 160 is disposed on the second connector 120. The first connector 110 is connected to the door body 200 via the first flange 150, and the second connector 120 is connected to the vehicle body 300 via the second flange 160. Alternatively, the first connector 110 is connected to the vehicle body 300 via the first flange 150, and the second connector 120 is connected to the door body 200 via the second flange 160. By providing the first flange 150 and the second flange 160, the connection stability between the door drive mechanism 100 and the door body 200 and the vehicle body 300 can be improved, thereby improving the operational stability of the door drive mechanism 100.

[0106] Accordingly, please refer to Figure 10 This application also provides a door device 20 for a vehicle 10. The door device 20 includes a door drive mechanism 100 from any of the above embodiments, and a door body 200. The door body 200 is connected to the door drive mechanism 100, which drives the door body 200 to open and close. Based on the driving action of the door drive mechanism 100, the door device 20 of this application can be a rotary door. The door device 20 can include all the technical features and beneficial effects of the aforementioned door drive mechanism 100, which will not be repeated here.

[0107] Please refer to it again. Figure 10In some embodiments, the door body 200 is connected to a first connector 110 of the door drive mechanism 100, and a second connector 120 of the door drive mechanism 100 is used to connect to the vehicle body 300 of the vehicle 10. Driving force is provided by the drive member 130 of the door drive mechanism 100, enabling the first connector 110 to move relative to the second connector 120, and driving the door body 200 to move relative to the vehicle body 300 to achieve opening and closing of the door.

[0108] Please also refer to Figure 11 and Figure 12 In some embodiments, the door body 200 is connected to the second connector 120, and the first connector 110 is used to connect to the vehicle body 300. The driving force provided by the drive member 130 of the door drive mechanism 100 enables the second connector 120 to move relative to the first connector 110, and drives the door body 200 to move relative to the vehicle body 300 to realize the opening and closing of the door.

[0109] Specifically, the first connecting piece 110 and the second connecting piece 120 can be connected and fixed to the door body 200 and the vehicle body 300 by fastening bolts 270 and the first flange 150 and the second flange 160 respectively.

[0110] Please refer to it again. Figure 10 In some embodiments, the door drive mechanism 100 is connected to the front part 210 of the door body 200; the door device 20 also includes a first electric suction lock 230 and a first latch 240 that cooperate with each other. One of the first electric suction lock 230 and the first latch 240 is located at the front part 210 of the door body 200, and the other is located on the body 300. When the door drive mechanism 100 drives the door body 200 to close, as the door body 200 and the body 300 approach each other, the first latch 240 enters the first locking position of the first electric suction lock 230. The first electric suction lock 230 activates its electric suction function to tighten the first latch 240 and lock it to the second locking position. Thus, through the cooperation of the first electric suction lock 230 and the first latch 240, the door body 200 can be further pulled towards the body 300, making the door body 200 and the body 300 more closely together and improving safety.

[0111] Optionally, the first electric suction lock 230 can be installed inside the A-pillar of the vehicle body 300, and the first latch 240 can be installed at the front 210 of the door body 200, thereby making reasonable use of the space in the vehicle body 300 and reducing the weight of the door body 200. Alternatively, the first latch 240 can also be installed inside the A-pillar of the vehicle body 300, and the first electric suction lock 230 can be installed at the front 210 of the door body 200.

[0112] In some embodiments, the door device 20 further includes a second electric suction lock 250 and a second latch 260 that cooperate with each other. One of the second electric suction lock 250 and the second latch 260 is located at the rear 220 of the door body 200, and the other is located on the vehicle body 300. When the door drive mechanism 100 drives the door body 200 to close, as the door body 200 and the vehicle body 300 approach each other, the second latch 260 enters the first locking position of the second electric suction lock 250. The second electric suction lock 250 activates its electric suction function to tighten and lock the second latch 260 to the second locking position. Thus, the cooperation of the second electric suction lock 250 and the second latch 260 allows the door body 200 to be more tightly fitted to the vehicle body 300, improving safety. The front 210 is the part of the door body 200 closer to the front of the vehicle when closed, and the rear 220 is the part closer to the rear of the vehicle than the front 210.

[0113] Optionally, the second electric suction lock 250 can be installed at the rear 220 of the door body 200, and the second latch 260 can be installed on the side panel of the vehicle body 300. Alternatively, the second electric suction lock 250 can be installed on the side panel of the vehicle body 300, and the second latch 260 can be installed at the rear 220 of the door body 200, thereby reducing the weight of the door body 200.

[0114] Furthermore, by setting electric suction structures at the front 210 and rear 220 of the door body 200, the front and rear dual electric suction locks can reliably lock the door at the front and rear. After the door body 200 is closed, there is no need to rely on the door drive mechanism 100 to provide locking force. This not only reduces the structural complexity of the door drive mechanism 100 but also improves its service life. At the same time, locking the door with the front and rear dual electric suction locks also greatly improves the safety of the door after it is closed.

[0115] Accordingly, this application also provides a vehicle, which can be any one of a fuel-powered vehicle, a range-extended vehicle, or a fully electric vehicle, and the vehicle includes the door drive mechanism 100 as described in any of the above embodiments; or, it includes the door device 20 as described in any of the above embodiments. The vehicle door can be a rotary door.

[0116] like Figure 13 and Figure 14As shown, in some embodiments, the user issues an opening command by operating buttons inside / outside the vehicle, a key, etc. After receiving the command, the door controller inside the vehicle first controls the first electric suction lock 230 and the second electric suction lock 250 to unlock simultaneously, releasing the tightened first latch 240 and second latch 260. Next, the door drive mechanism 100 is controlled to translate the door body 200 out a certain distance to avoid interference between the door body 200 and the fender / wheel cover during subsequent rotational movement. Then, the door drive mechanism 100 is rotated forward by a certain angle (usually set to 90° or more) around the rotation axis OO' of the door drive mechanism 100 to open the door to the optimal opening degree for the user to enter and exit, and then maintains that opening degree for the user to enter and exit.

[0117] In some embodiments, when a user issues an opening command by operating buttons inside / outside the vehicle, a key, etc., the door controller inside the vehicle receives the command and first controls the door drive mechanism 100 to rotate backward around the rotation axis OO' to a horizontal state, and then moves inward to pull it. When the door drive mechanism 100 pulls the door body 200, causing each latch to push each electric suction lock into the first lock, the first electric suction lock 230 and the second electric suction lock 250 activate the electric suction function to tighten the door body 200 and lock it into the second lock, thereby realizing the closing and locking of the door.

[0118] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0119] The foregoing has provided a detailed description of the door drive mechanism, door device, and vehicle provided in the embodiments of this application, and specific examples have been used to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the technical solutions and core ideas of this application. Those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A door drive mechanism, characterized in that, include: The first connector (110) is provided with a first guide (111); The second connector (120) is provided with a second guide (125); The driving member (130) is connected to the first connecting member (110) and the second connecting member (120) respectively, and is used to drive the first connecting member (110) and the second connecting member (120) to move relative to each other, so that the first guide part (111) and the second guide part (125) are guided and engaged. The first guide portion (111) and the second guide portion (125) are guided and engaged so that the first connector (110) and the second connector (120) can move relative to each other in a first direction (Y) and can rotate relative to each other about a rotation axis (OO') that extends along the first direction (Y); The first direction (Y) is the direction from the second connector (120) to the first connector (110).

2. The door drive mechanism according to claim 1, characterized in that, The second guide portion (125) includes a first guide segment (122), and the first guide portion (111) and the first guide segment (122) are guided to cooperate so that the first connector (110) and the second connector (120) rotate relative to each other about the rotation axis (OO') when they move relative to each other in the first direction (Y).

3. The door drive mechanism according to claim 2, characterized in that, The second guide portion (125) further includes a second guide segment (121), and the second guide segment (121) and the first guide segment (122) are arranged sequentially along the first direction (Y); The first guide portion (111) and the second guide segment (121) are guided to move relative to each other in the first direction (Y).

4. The door drive mechanism according to claim 3, characterized in that, The driving member (130) is used to drive the first connecting member (110) to move relative to the second connecting member (120) between a first position and a second position; When the first connector (110) is in the first position, the door drive mechanism (100) has a first dimension L1 in the first direction (Y); when the first connector (110) is in the second position, the door drive mechanism (100) has a second dimension L2 in the first direction (Y); satisfying: L1 <L2。 5. The door drive mechanism according to claim 4, characterized in that, When the first connector (110) is in the first position, the first guide portion (111) and the second guide segment (121) are guided and engaged; When the first connector (110) is in the second position, the first guide portion (111) and the first guide segment (122) are guided and engaged.

6. The door drive mechanism according to claim 3, characterized in that, Of the first connector (110) and the second connector (120), one is sleeved on the outer periphery of the other, and one is connected to the fixed end (131) of the driving member (130), while the other is connected to the movable end (132) of the driving member (130). The driving member (130) passes through the first connector (110) and the second connector (120) along the first direction (Y).

7. The door drive mechanism according to claim 6, characterized in that, The first connector (110) includes a first outer wall (112), and the first guide portion (111) is disposed on the first outer wall (112); The second connector (120) is sleeved on the outside of the first outer wall (112). The second connector (120) includes a first inner wall (123) facing the first outer wall (112), and the second guide (125) is disposed on the first inner wall (123).

8. The door drive mechanism according to claim 7, characterized in that, The door drive mechanism (100) also includes: A sliding bearing (140) is provided, and the first connecting member (110) is slidably connected to the second connecting member (120) via the sliding bearing (140).

9. The door drive mechanism according to claim 8, characterized in that, The sliding bearing (140) is disposed at one end of the second connector (120) near the first connector (110) and is sleeved on the first outer wall (112).

10. The door drive mechanism according to claim 6, characterized in that, The second connector (120) includes a second outer wall (124), and the second guide portion (125) is disposed on the second outer wall (124); The first connector (110) is sleeved on the outside of the second outer wall (124). The first connector (110) includes a second inner wall (113) facing the second outer wall (124), and a first guide portion (111) is disposed on the second inner wall (113).

11. The door drive mechanism according to any one of claims 6 to 10, characterized in that, The first guide segment (122) is connected to the second guide segment (121), and the first guide segment (122) extends spirally about the rotation axis (OO') in the first direction (Y); The second guide segment (121) extends in a straight line in the first direction (Y).

12. The door drive mechanism according to any one of claims 6 to 10, characterized in that, The first guide segment (122) is connected to the second guide segment (121). Both the first guide segment (122) and the second guide segment (121) extend spirally around the rotation axis (OO') in the first direction (Y), and the spiral angle of the first guide segment (122) is greater than the spiral angle of the second guide segment (121).

13. The door drive mechanism according to claim 6, characterized in that, The first connector (110) is provided with a plurality of first guide portions (111), and the second connector (120) is provided with a plurality of second guide portions (125). The plurality of first guide portions (111) and the plurality of second guide portions (125) are arranged around the rotation axis (OO'). Each of the second guide portions (125) is guided and engaged with one of the first guide portions (111).

14. The door drive mechanism according to claim 1, characterized in that, The first guide portion (111) is configured as a guide protrusion, and the second guide portion (125) is configured as a guide groove; or, the first guide portion (111) is configured as a guide groove, and the second guide portion (125) is configured as a guide protrusion. The guide protrusion is movably disposed within the guide groove.

15. The door drive mechanism according to claim 1, characterized in that, The door drive mechanism (100) also includes: A first flange (150) is disposed on the first connector (110); The second flange (160) is disposed on the second connector (120).

16. A vehicle door device, characterized in that, include: The door drive mechanism (100) as described in any one of claims 1 to 15, and, A door body (200) is connected to a door drive mechanism (100), which is used to drive the door body (200) to open and close.

17. The door device according to claim 16, characterized in that, The door body (200) is connected to the first connector (110) of the door drive mechanism (100), and the second connector (120) of the door drive mechanism (100) is used to connect to the body (300) of the vehicle (10); or, The door body (200) is connected to the second connector (120), and the first connector (110) is used to connect the vehicle body (300).

18. The door device according to claim 17, characterized in that, The door drive mechanism (100) is connected to the front (210) of the door body (200); the door device (20) further includes: The first electric suction lock (230) and the first latch (240) cooperate with each other. One of the first electric suction lock (230) and the first latch (240) is located at the front part (210) of the door body (200), and the other is located on the vehicle body (300).

19. The door device according to claim 17 or 18, characterized in that, The door assembly (20) also includes: The second electric suction lock (250) and the second latch (260) cooperate with each other. One of the second electric suction lock (250) and the second latch (260) is located at the rear (220) of the door body (200), and the other is located on the vehicle body (300).

20. A vehicle, characterized in that, Includes a door drive mechanism (100) as described in any one of claims 1 to 15; or includes a door device (20) as described in any one of claims 16 to 19.

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