Door driving unit and vehicle including same

Abstract

The invention relates to a door drive unit and a vehicle including the same. The door drive system may include a first bracket; a second bracket; a hinge part connecting the first bracket and the second bracket; a driving part provided on the first bracket and coupled to the hinge part; and a connecting part having one side coupled to the second bracket and the other side coupled to the driving part to support rotation of the first bracket.

Description

[0001] Cross-reference to related applications

[0002] This application claims priority to Korean Patent Application No. 10-2024-0137843, filed on October 10, 2024, with the Korean Intellectual Property Office, the disclosure of which is incorporated herein by reference in its entirety. Technical Field

[0003] The present invention relates to a door drive unit and a vehicle including the same. Background Technology

[0004] Vehicles typically have space for passenger seating and space for luggage. This luggage space is usually referred to as the trunk, and it is usually located at the rear of the vehicle. However, recently, electric vehicles with a modular structure have been proposed, in which the trunk can be placed at both the front and rear of the vehicle.

[0005] The door can be located on top of the suitcase. A door located on top of the suitcase can be a way to separate the inside and outside of the suitcase.

[0006] Doors located above the trunk may include liftgates that open upwards relative to the vehicle and tailgates that open downwards relative to the vehicle.

[0007] Recently, to improve user convenience, doors have been opened and closed electrically via door drive units. However, due to limitations in the structure of the door drive unit and its placement, interference may occur between the vehicle body and the door when it is open, potentially limiting the door's opening angle. Furthermore, since a portion of the trunk's loading space is used to house the drive unit of the door drive unit, loading space is reduced. Summary of the Invention

[0008] Embodiments of the present invention may provide a door drive unit in which the opening range of the door is maximized, and the drive unit may be arranged adjacent to the door, thereby maximizing the loading space of the suitcase.

[0009] The advantages of the embodiments of the present invention are not limited to those described above, and other advantages not mentioned will be understood by those skilled in the art based on the following description.

[0010] According to an embodiment of the present invention, the door drive unit may include: a first bracket; a second bracket; a hinge portion that connects the first bracket and the second bracket; a drive portion disposed on the first bracket and coupled to the hinge portion; and a connecting portion having one side coupled to the second bracket and the other side coupled to the drive portion to support the rotation of the first bracket.

[0011] The first support may include: a first plate; a second plate connected to the second support via a hinge; and an extension that connects the first plate and the second plate, wherein a drive unit may be engaged with the second plate.

[0012] The first and second plates can be set in an intersecting direction.

[0013] The first bracket may be provided with a first connecting part that connects to the hinge part, and the first connecting part may be configured to be spaced apart from the connecting part in the direction of the rotation axis of the hinge part.

[0014] The drive unit may include a power shaft that transmits rotational power. One side of the hinge unit may be connected to the power shaft, and the other side of the hinge unit may be connected to a second bracket. The second bracket may rotate by rotating the hinge unit.

[0015] The connecting part may be provided with a hole through which the power shaft passes, and a gap may be formed between the inner circumferential surface of the hole and the outer circumferential surface of the power shaft.

[0016] The drive shaft and hinge can be press-fitted together.

[0017] An adhesive can be applied between the drive shaft and the hinge section.

[0018] According to an embodiment of the present invention, a vehicle may include: a body; a door disposed on the body; and a door drive unit for driving the door. The door drive unit may include a first bracket, a second bracket, a hinge portion connecting the first bracket and the second bracket, and a drive portion disposed on the first bracket and engaged with the hinge portion. The door drive unit may also include a connecting portion having one side engaged with the second bracket and another side engaged with the drive portion to support rotation of the first bracket.

[0019] The first bracket can be attached to the door, and the second bracket can be attached to the vehicle body.

[0020] The first support may include: a first plate; a second plate connected to the second support via a hinge portion; and an extension portion connecting the first plate and the second plate; the first plate and the second plate may be spaced apart in the direction of the rotation axis of the hinge portion and engaged with the door.

[0021] The first and second plates can be set in the intersecting direction and each can be combined with a door.

[0022] The vehicle may also include a linkage connecting the body and the door, which may be spaced apart from the door drive unit in the width direction of the body. Attached Figure Description

[0023] The features and advantages of exemplary embodiments of the present invention can be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, wherein:

[0024] Figure 1 This is a diagram showing the rear of a vehicle using a door drive unit according to an embodiment of the present invention;

[0025] Figure 2 This is a perspective view of a gate drive unit according to an embodiment of the present invention;

[0026] Figure 3 yes Figure 2 Exploded view;

[0027] Figure 4 This is a plan view of a gate drive unit according to an embodiment of the present invention;

[0028] Figure 5A and Figure 5B This is a diagram illustrating the operation of a gate drive unit according to an embodiment of the present invention;

[0029] Figure 6 It is along Figure 4 A cross-sectional view taken from line A-A';

[0030] Figure 7 This is a perspective view showing the first bracket of the door drive unit according to an embodiment of the present invention;

[0031] Figure 8 This is a perspective view showing the second bracket of the door drive unit according to an embodiment of the present invention;

[0032] Figure 9 yes Figure 8 An exploded view of the second support; and

[0033] Figure 10 This is a perspective view showing a linkage portion that can be used with a door drive unit according to an embodiment of the present invention. Detailed Implementation

[0034] Since embodiments of the present invention can be modified in various ways and take various alternative forms, specific exemplary embodiments are shown in the accompanying drawings and described in detail below. However, it is to be understood that this is not intended to limit the invention to the specific embodiments disclosed; rather, the invention can cover modifications, equivalents, and alternatives to embodiments falling within the spirit and scope of the invention.

[0035] It is understood that while the terms “first,” “second,” etc., may be used herein to describe various elements, these elements are not necessarily limited to these terms. These terms are used only to distinguish one element from another. For example, a first element may be referred to as a second element, and a second element may similarly be referred to as a first element, without departing from the scope of the invention. As used herein, the term “and / or” includes any and all combinations of one or more of the associated listed items.

[0036] The terms “unit,” “component,” “part,” etc., can be used to describe various components, but components are not necessarily limited to these terms. Terms can refer not only to physically / visually distinct components, but also to the function or component of a part, even if the corresponding part is not clearly defined.

[0037] The terminology used herein to describe exemplary embodiments of the invention is not intended to necessarily limit the scope of the invention. The article “a” is singular because it has a single referent; however, the use of the singular form herein should not preclude the presence of more than one referent. In other words, unless the context clearly indicates otherwise, the elements of the invention referred to in the singular may be one or more. It is also understood that the terms “comprising” and / or “including” as used herein specify the presence of the stated features, numbers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and / or combinations thereof.

[0038] Unless otherwise defined, the terms used herein, including technical and scientific terms, may have the same meaning as understood by one of ordinary skill in the art to which this invention pertains. Such terms, as defined in a commonly used dictionary, may be interpreted as having the same meaning as in the context of the relevant art.

[0039] In this specification, "vehicle" can refer to any vehicle that moves objects such as people, animals, or goods from a point of origin to a destination. These vehicles are not limited to those that travel on roads or tracks. Vehicles can include not only those that use fossil fuels (such as gasoline), but also those that use electricity stored in batteries or the like, and those that use future fuels (such as hydrogen).

[0040] In the following description, the terms “front,” “rear,” “side,” “ahead,” “rear,” “upper / lower,” “above,” “upper,” “top,” “bottom,” “lower,” “lower,” “left / right,” etc., are defined based on the vehicle or body. Terms such as “first” and “second” may be used to describe various components, but these components are not necessarily limited in order, size, position, or importance by terms such as first and second, and are named only for the purpose of distinguishing one component from another.

[0041] Exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0042] Figure 1 This is a diagram showing the rear of a vehicle using a door drive unit according to an embodiment of the present invention.

[0043] The trunk can be located at the rear of the vehicle. A door 2 separating the trunk space from the exterior space can be located in the trunk area. Figure 1 Door 2 is an example and is the downward-opening rear panel of body 1.

[0044] Door 2 can be connected to vehicle body 1. Both the door and the vehicle body can be equipped with lifting devices L to facilitate the opening and closing of the door. In this case, the lifting device L can be, for example, a pneumatic lift. Figure 1 As shown, the lifting device L can be installed on each side of the door 2, or on one side or the other side of the door 2. The connecting rod 3 can be installed between the door 2 and the vehicle body 1. The connecting rod 3 can be spaced apart from the door drive unit 10. The connecting rod 3 can be combined with the door 2 and the vehicle body 1 to support the rotation of the door 2 when it is opened and closed.

[0045] A door drive unit 10 can be disposed between the door 2 and the vehicle body 1. The door drive unit 10 may include a drive unit 13, which can electrically rotate the door 2 to open and close the door 2. The door drive unit 10 may be positioned spaced apart from the link portion 3 in the width direction of the door 2. (Reference) Figure 1 The width direction of door 2 can refer to the direction that is roughly parallel to the width direction of vehicle body 1.

[0046] Figure 2 This is a perspective view of a gate drive unit according to an embodiment of the present invention. Figure 3 yes Figure 2 The exploded diagram. Figure 4 This is a plan view of a gate drive unit according to an embodiment of the present invention. Figure 5A and Figure 5B This is a diagram illustrating the operation of a gate drive unit according to an embodiment of the present invention. Figure 6 It is along Figure 4 A cross-sectional view taken from line A-A'.

[0047] refer to Figures 2 to 6 The structure of a gate driving unit according to an exemplary embodiment of the present invention will be described.

[0048] The door drive unit 10 may include a first bracket 11, a second bracket 12, a drive part 13, a connecting part 14, and a hinge part 15.

[0049] The first bracket 11 can be set on one side of the door drive unit 10, and the second bracket 12 can be set on the other side of the door drive unit 10.

[0050] The first support 11 and the second support 12 can be joined by a hinge 15. The first support 11 and the second support 12 can rotate relative to each other based on the rotation axis of the hinge 15.

[0051] A first connecting portion 111, including a first hole 112, may be disposed at one end of the first bracket 11. A plurality of second connecting portions 121 may include second holes 122 and may be disposed at one end of the second bracket 12. The plurality of second connecting portions 121 may be spaced apart from each other, and one of the plurality of second connecting portions 121 may be referred to as a 2-1 connecting portion 121a, and another of the plurality of second connecting portions 121 may be referred to as a 2-2 connecting portion 121b. A 2-1 hole 122a may be disposed in a 2-1 connecting portion 121a, and a 2-2 hole 122b may be disposed in a 2-2 connecting portion 121b.

[0052] A groove 123 can be provided at one end of the second bracket 12. The groove 123 can be provided between the 2-1 joint 121a and the 2-2 joint 121b. The first joint 111 of the first bracket 11 can be provided in the groove 123. In this configuration, the first hole 112, the 2-1 hole 122a, and the 2-2 hole 122b can be aligned with each other, and the hinge portion 15 can be provided in the aligned first hole 112, 2-1 hole 122a, and 2-2 hole 122b.

[0053] The drive unit 13 may be disposed on the first bracket 11. The drive unit 13 is coupled to the first bracket 11. Specifically, the drive unit 13 may be coupled to the second plate 114b of the first bracket 11. Therefore, when the first bracket 11 rotates relative to the second bracket 12 about the hinge portion 15, the drive unit 13 may also rotate together with the first bracket 11 relative to the second bracket 12.

[0054] The drive unit 13 provides power for opening and closing the door 2. The drive unit 13 can use an electric motor as its power source. A speed reducer can be provided in the drive unit 13. Through the speed reducer, the drive unit 13 can rotate the hinge portion 15 at a speed lower than the motor speed, and can increase the rotational torque of the hinge portion 15 to a level higher than the motor's rotational torque. One end of the hinge portion 15 can be engaged with the drive unit 13. Therefore, the hinge portion 15 can rotate via the drive unit 13, and the first bracket 11 can rotate relative to the second bracket 12 via the rotation of the hinge portion 15. Alternatively, the second bracket 12 can rotate relative to the first bracket 11 via the rotation of the hinge portion 15.

[0055] The connecting portion 14 can connect the hinge portion 15 to the second bracket 12. A third connecting portion 141 can be provided at one end of the connecting portion 14. Therefore, one end of the connecting portion 14 can be engaged with the hinge portion 15. In the door drive unit 10, the third connecting portion 141 can be spaced apart from the second connecting portion 121 in the direction of the rotation axis of the hinge portion 15. The third connecting portion 141 can include a third hole 142. The hinge portion 15 can be provided to pass through the third hole 142. The hinge portion 15 can be provided to pass through the entire first hole 112, 2-1 hole 122a, 2-2 hole 122b, and third hole 142.

[0056] A fixing part 143 may be provided at the other end of the connecting part 14. The fixing part 143 may be combined with the second bracket 12. In this configuration, the other end of the connecting part 14 may be combined with the second bracket 12 and fixed relative to the second bracket 12.

[0057] refer to Figure 6 The engagement structure of the drive unit 13, hinge unit 15, first bracket 11, second bracket 12 and connecting unit 14 will be described in more detail.

[0058] The drive unit 13 may include a drive shaft 130 for transmitting rotational power from a motor. A groove 131, recessed along the rotation axis of the drive shaft 130, may be provided on one side of the drive shaft 130, and one end of the hinge portion 15 may be disposed in the groove 131. The groove 131 and one end of the hinge portion 15 can be joined by a press-fit method. However, the groove 131 and one end of the hinge portion 15 can be joined not only by a press-fit method but also by other components. An adhesive may be applied between the groove 131 and one end of the hinge portion 15. The groove 131 and one end of the hinge portion 15 may be in surface contact. Therefore, the hinge portion 15 can be engaged with the drive shaft 130 and rotate with the rotation of the drive shaft 130.

[0059] The first bracket 11 can be rotatably connected to the hinge portion 15. That is, the hinge portion 15 can be configured to pass through a first hole 112 in the first bracket 11, and a gap can be formed between the inner peripheral surface of the first hole 112 and the outer peripheral surface of the hinge portion 15. Based on the region located in the first hole 112, the outer diameter of the hinge portion 15 can be formed to be smaller than the inner diameter of the first hole 112. Therefore, the first bracket 11 and the hinge portion 15 can rotate relative to each other. To facilitate the relative rotation of the first bracket 11 and the hinge portion 15, a lubricant can be applied to the inner peripheral surface of the first hole 112.

[0060] The second bracket 12 and the hinge portion 15 can be joined together through holes 2-1, 122a and 2-2, 122b. That is, the hinge portion 15 can pass through holes 2-1, 122a and 2-2, 122b of the second bracket 12, and holes 2-1, 122a, 2-2, 122b and the hinge portion 15 can be joined by a press-fit method. However, in this configuration, the joining method of holes 2-1, 122a, 2-2, 122b and the hinge portion 15 is not limited to a press-fit method; they can also be joined together by other components. The second bracket 12 can be connected to the hinge portion 15, so that by rotating the hinge portion 15, the second bracket 12 can rotate together with the hinge portion 15.

[0061] The connecting portion 14 can be rotatably coupled to the drive shaft 130. That is, the drive shaft 130 can be configured to pass through a third hole 142 in the connecting portion 14, and a gap can be formed between the inner circumferential surface of the third hole 142 and the outer circumferential surface of the drive shaft 130. Based on the region located in the third hole 142, the outer diameter of the drive shaft 130 can be formed to be smaller than the inner diameter of the third hole 142. Therefore, the connecting portion 14 and the drive shaft 130 can rotate relative to each other. To facilitate the relative rotation of the connecting portion 14 and the drive shaft 130, a lubricant can be applied to the inner circumferential surface of the third hole 142.

[0062] The connecting portion 14 can be spaced apart from the second bracket 12 and the hinge portion 15 in the axial direction to support the rotation of the hinge portion 15. That is, since the rotation of the hinge portion 15 can be supported at multiple positions spaced apart from each other along the rotation axis of the hinge portion 15, the occurrence of torsion of the hinge portion 15 or torsion of the first bracket 11 and the second bracket 12 can be reduced when the first bracket 11 rotates relative to the second bracket 12.

[0063] Figure 7 This is a perspective view showing the first bracket of a door drive unit according to an embodiment of the present invention.

[0064] The first support 11 may include a first arm 113, a first plate 114a, and a second plate 114b. The first arm 113, the first plate 114a, and the second plate 114b may be integrally formed. The first arm 113 may have a cantilever structure protruding from the first plate 114a. A first connecting portion 111, including the aforementioned first hole 112, may be provided at one end of the first arm 113. The second plate 114b may be integrally connected to the first plate 114a via an extension 115 extending from the first plate 114a. The second plate 114b may be provided in a direction intersecting with the first plate 114a. That is, a virtual surface extending from one surface of the first plate 114a and a virtual surface extending from one surface of the second plate 114b may intersect each other.

[0065] Return to reference Figure 1The first plate 114a can be combined with the body 1 or the door 2. In this configuration, the first plate 114a can be screwed to the body 1 or the door 2. The first plate 114a and the body 1 or the door 2 can also be welded together. The drive unit 13 can be disposed on the second plate 114b. The drive unit 13 can be combined with the second plate 114b. The second plate 114b can also be combined with the body 1 or the door 2. That is, the drive unit 13 can be disposed on one surface of the second plate 114b, and the body 1 or the door 2 can be disposed on the other surface of the second plate 114b. The second plate 114b, the drive unit 13, and the body 1 or the door 2 can be combined by screws and / or by welding. The first plate 114a and the second plate 114b can be spaced apart from each other in the direction of the rotation axis of the hinge portion 15 and combined with the door. That is, since the first bracket 11 can be connected to the door 2 in a direction in which the two spaced-apart portions intersect each other, the torsional stiffness can be improved. More specifically, the first plate 114a and the second plate 114b can be connected at a cross angle via the extension 115, and the first plate 114a and the second plate 114b can each be connected to the vehicle door at different angles. Therefore, when the first bracket 11 and the second bracket 12 rotate relative to each other via the drive unit, thereby opening and closing the door, the torsional load acting on the first bracket 11 can be distributed to the first plate 114a, the second plate 114b, and the extension 115 at different angles or directions. This ensures the durability of the first bracket 11.

[0066] Figure 8 This is a perspective view showing the second bracket of the door drive unit according to an embodiment of the present invention. Figure 9 It is shown Figure 8 Exploded view of the second support.

[0067] The second support 12 may include a first body portion 124a and a second body portion 124b. (See reference) Figure 8 and Figure 9 The first body part 124a and the second body part 124b are shown as being formed as separate components and joined together, but they can also be formed as a single unit.

[0068] The first body portion 124a can be coupled to the first support 11. That is, the 2-1 coupling portion 121a and the 2-2 coupling portion 121b can be provided on the first body portion 124a. The 2-1 coupling portion 121a and the 2-2 coupling portion 121b can be spaced apart from each other in a direction parallel to the axis of the hinge portion 15. The groove 123 can be provided between the 2-1 coupling portion 121a and the 2-2 coupling portion 121b, and through this structure, the 2-1 coupling portion 121a, the 2-2 coupling portion 121b and the groove 123 can form a concave-convex structure. The first coupling portion 111 of the first arm 113 can be provided in the groove 123, and the hinge portion 15 can connect the first coupling portion 111, the 2-1 coupling portion 121a and the 2-2 coupling portion 121b.

[0069] The second body portion 124b may include an arm. This arm of the second body portion 124b may be referred to as the second arm 124b1, to distinguish it from the first arm 113 of the first support 11. One end of the second arm 124b1 may be coupled to the first body portion 124a. One end of the second arm 124b1 may be fixed to the first body portion 124a. A plate may be disposed at the other end of the second arm 124b1. This plate of the second arm 124b1 may be referred to as the third plate 125, to distinguish it from the first plate 114a and the second plate 114b of the first support 11.

[0070] The third plate 125 can be combined with the body 1 or the door 2. The third plate 125 can be combined with the body 1 or the door 2 by screws, and can also be connected to the body 1 or the door 2 by welding.

[0071] Figure 10 This is a perspective view showing a linkage portion that can be used with a door drive unit according to an embodiment of the present invention.

[0072] refer to Figure 1 The linkage 3 can be disposed between the door 2 and the vehicle body 1. The linkage 3 can connect the door 2 and the vehicle body 1. The linkage 3 may include a first component 31 and a second component 32, and these components can be pivotally coupled.

[0073] Specifically, the first component 31 can be rotatably coupled to the second component 32. The first component 31 can rotate relative to the second component 32, and conversely, the second component 32 can rotate relative to the first component 31. The first component 31 can be coupled to the vehicle body 1, and the second component 32 can be coupled to the door 2. The first component 31 and the second component 32 can also be coupled to each other with opposite structures. The coupling portion 33 of the first component 31 and the second component 32 can serve as a rotation center for the door 2 when it is opened and closed, thereby supporting the smooth opening and closing of the door 2.

[0074] According to an embodiment of the present invention, the first bracket 11 of the door drive unit 10 can be combined with the door 2 in multiple parts to open and close the door 2, and the torsional deformation of the door drive unit 10 can be minimized when the door 2 is opened and closed via the connecting portion 14 that supports the rotation of the first bracket 11 and the second bracket 12. According to an embodiment of the present invention, the structure in which the drive portion 13 and the hinge portion 15 of the door drive unit 10 are disposed between the door 2 and the vehicle body 1 has the advantage of ensuring a wide loading space.

[0075] The door drive unit according to embodiments of the present invention, and the vehicle including it, can provide various advantages by improving the opening and closing structure of the trunk door. By optimizing the structure and arrangement of the door drive unit, its interference with the vehicle body when the door is open can be minimized, thereby increasing the door opening angle and improving usability. The drive unit of the door drive unit can be located outside the trunk loading space or designed with a structure that improves space efficiency, so that the loading space inside the trunk can be maximized. This allows more luggage to be loaded into the trunk.

[0076] The structure of the embodiments of the present invention improves the operational stability of the door drive unit, thereby reducing potential problems during door opening and closing, and has the advantages of extending the life of the electric door and reducing maintenance costs. The embodiments of the present invention can provide a structure applicable to the front and rear trunks of modular electric vehicles, thus enabling its application to various vehicle designs. Therefore, using the embodiments of the present invention increases design freedom in vehicle design and improves vehicle production efficiency.

[0077] While exemplary embodiments have been shown and described above, it will be apparent to those skilled in the art that modifications and variations can be made without departing from the scope of the invention as defined by the claims.

Claims

1. A gate drive system, comprising: First support; Second support; A hinge portion that connects the first bracket to the second bracket; A drive unit, which is mounted on the first bracket and combined with the hinge unit; as well as The connecting portion has a first connecting portion side that engages with the second bracket and a second connecting portion side that connects with the driving portion to support the rotation of the first bracket.

2. The system according to claim 1, wherein, The first support includes: First board; The second plate, which is connected to the second bracket via the hinge portion; and An extension that connects the first plate to the second plate. The drive unit is combined with the second plate.

3. The system according to claim 2, wherein, The first plate and the second plate are arranged in an intersecting direction.

4. The system according to claim 1, wherein, The first bracket is provided with a first connecting portion that connects to the hinge portion, and the first connecting portion is spaced apart from the connecting portion in the direction of the rotation axis of the hinge portion.

5. The system according to claim 1, wherein, The drive unit includes a power shaft configured to transmit rotational power. The first hinge portion of the hinge is coupled to the power shaft, and the second hinge portion of the hinge is coupled to the second bracket. The second bracket is configured to rotate by the rotation of the hinge portion.

6. The system according to claim 5, wherein, The connecting part is provided with a hole through which the power shaft passes, and a gap is formed between the inner circumferential surface of the hole and the outer circumferential surface of the power shaft.

7. The system according to claim 5, wherein, The drive shaft and the hinge portion are press-fitted together for a fixed connection.

8. The system according to claim 7, wherein, An adhesive is applied between the power shaft and the hinge portion.

9. A vehicle comprising: Body; The door is located on the vehicle body; as well as A door drive system, configured to drive the door, The gate drive system includes: First support; Second support; A hinge portion that connects the first bracket to the second bracket; A drive unit, which is mounted on the first bracket and engages with the hinge unit; and The connecting portion has a first side that engages with the second bracket and a second side that connects with the drive portion to support the rotation of the first bracket.

10. The vehicle according to claim 9, wherein, The first bracket is attached to the door, and the second bracket is attached to the vehicle body.

11. The vehicle according to claim 9, wherein, The first support includes: First board; The second plate, which is connected to the second bracket via the hinge portion; and An extension that connects the first plate to the second plate. The first plate and the second plate are spaced apart in the direction of the rotation axis of the hinge portion and are engaged with the door.

12. The vehicle according to claim 11, wherein, The first plate and the second plate are arranged in an intersecting direction and each is combined with the door.

13. The vehicle according to claim 9, wherein, It also includes a connecting rod portion that connects the vehicle body and the door. The linkage portion is configured to be spaced apart from the door drive system in the width direction of the vehicle body.

14. A gate drive system, comprising: First support; Second support; A hinge axis that connects the first bracket and the second bracket at a hinge engagement position, such that the first bracket can pivot relative to the second bracket about the hinge axis of the hinge axis; The drive unit is mounted on the first bracket and engages with the hinge shaft. The drive unit is configured to drive the pivoting motion of the first bracket relative to the second bracket via the hinge axis; as well as The connecting portion has a first connecting portion side that is fixedly coupled to the second bracket and a second connecting portion side that is pivotally coupled to a hinge axis. The connecting part is disposed between the driving part and the hinge engagement position.

15. The system according to claim 14, wherein, The main body of the connecting part is spaced apart from the hinge engagement position.

16. The system according to claim 14, wherein, The first support includes: First board; The second board; and An extension that connects the first plate to the second plate. The drive unit is combined with the second plate. The second plate is also connected to the first plate via the drive unit and the hinge axis. The first bracket is pivotally connected to the hinge axis.

17. The system according to claim 16, wherein, The first plate and the second plate are arranged in an intersecting direction.

18. The system according to claim 14, wherein, The drive unit includes a power shaft configured to transmit rotational power to the hinge shaft. The first hinge axis side of the hinge shaft is fixedly connected to the power shaft, and the second hinge axis side of the hinge shaft is fixedly connected to the second bracket. The second support is configured to pivot via rotation of the hinge axis. The second connecting part is pivotally connected to the hinge shaft via the power shaft.

19. The system according to claim 18, wherein, The connecting part has a hole through which the power shaft passes, and a gap is formed between the inner circumferential surface of the hole and the outer circumferential surface of the power shaft.

20. The system according to claim 19, wherein, The drive shaft and the hinge shaft are press-fitted together for a fixed connection.

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