Sliding type upper back door assembly and vehicle

Abstract

The utility model provides a sliding type upper back door assembly and a vehicle, and belongs to the technical field of vehicle back doors, the sliding type upper back door assembly comprises an upper back door body, a traction assembly connected to the front part of the upper back door body, a supporting assembly connected to the rear part of the upper back door body, and a driving assembly respectively connected to the traction assembly and the supporting assembly, the driving assembly comprises a front-mounted driving mechanism and a rear-mounted driving mechanism, the front-mounted driving mechanism comprises a front-mounted driving module arranged on the vehicle body and a front-mounted flexible shaft connected to the front-mounted driving module, and the rear portion of the front-mounted flexible shaft is connected to the traction assembly; the rear driving mechanism comprises a rear driving module arranged on the vehicle body and a rear flexible shaft connected to the rear driving module, and the rear portion of the rear flexible shaft is connected to the supporting assembly. The utility model provides a sliding type upper back door assembly and a vehicle, and aims to solve the problems that in the prior art, when a back door is opened, the requirement for the space of a surrounding area is high, the back door is not stable enough in the opening or closing process, and a driving structure is complex.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of vehicle back door, more specifically, relate to a sliding type upper back door assembly and vehicle. BACKGROUND

[0002] The back door is a structure for covering the trunk of a vehicle, also known as a trunk lid. Currently, the main types of car back doors include the upward-opening back door, the split back door, the side-opening back door, and the upward and downward split back door. Among them, the upward-opening back door is the most common and is widely used in sedans and SUVs. However, the existing back door structure cannot expand or cannot greatly expand the trunk space of the vehicle, which cannot meet the needs of consumers for large capacity and large space.

[0003] With the increasing fashion and youth of consumer concepts, consumers have more demands for space expansion and function expansion of automotive products. However, relying on traditional back door structure design, it is more difficult to achieve flexible and variable car space, and the vehicle cabin space is single, which cannot meet the needs of the increasingly young customer group.

[0004] The traditional back door requires a large opening space. In the limited area of the tail space, it is difficult to open the tail door. For example, for side-opening and left and right split back doors, the rear of the vehicle needs to have enough space. For hatchback and upward and downward split back doors, the upper part of the vehicle needs to have enough space to open. Therefore, if the opening of the back door is not limited by the space of the rear area of the vehicle, it can bring greater convenience to the user when taking and placing objects from the trunk. In addition, how to reduce the space requirement of the back door opening while ensuring the stability during the opening and closing of the back door and simplifying the driving structure is also a problem to be solved. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a sliding type upper back door assembly and vehicle, which aims to solve the problems of high space requirement of the surrounding area when the back door is opened in the prior art, and the instability during the opening and closing of the back door and the complex driving structure.

[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0007] In a first aspect, a sliding type upper back door assembly is provided, which includes an upper back door body, a traction assembly connected to the front part of the upper back door body, and a support assembly connected to the rear part of the upper back door body. The support assembly is used to lift the rear part of the upper back door body upward. The traction assembly is used to pull the upper back door body forward above the roof. It also includes a driving assembly connected to the traction assembly and the support assembly, respectively. The driving assembly includes:

[0008] A front drive mechanism, comprising a front drive module provided on the vehicle body and a front flexible shaft connected to the front drive module, wherein the rear portion of the front flexible shaft is connected to the traction assembly; and

[0009] The rear drive mechanism comprises a rear drive module arranged on the vehicle body and a rear flexible shaft connected to the rear drive module, wherein the rear portion of the rear flexible shaft is connected to the support assembly.

[0010] In combination with the first aspect, in a possible implementation, the front flexible shaft and the rear flexible shaft are both provided with a drive rack along their own axial direction, and the front drive module and the rear drive module both include a driver and a transmission gear connected to the driver, and the transmission gear is engaged with the drive rack.

[0011] In conjunction with the first aspect, in a possible implementation, the traction assembly includes:

[0012] A traction rail is provided on the vehicle body along the front-rear direction;

[0013] a sliding member, slidably connected to the traction rail in a front-to-back direction, the sliding member also being connected to the front flexible shaft, the front flexible shaft being used to drive the sliding member to slide along the traction rail; and

[0014] A hinge is rotatably or slidably connected to the sliding member and is rotatably connected to the front portion of the upper back door body. The hinge is used to achieve the lifting or lowering of the upper back door body.

[0015] In combination with the first aspect, in a possible implementation, the hinge is a telescopic member, and one end of the hinge is rotatably connected to the sliding member, and the other end of the hinge is rotatably connected to the upper back door body.

[0016] In combination with the first aspect, in a possible implementation, a sliding groove is provided on the sliding member, and a lifting area is provided at the rear of the sliding groove, the tail end of the lifting area is inclined upward, and the hinged member has a sliding end slidably inserted in the sliding groove, and a hinged end rotatably connected to the upper back door body.

[0017] In conjunction with the first aspect, in a possible implementation, the support assembly includes:

[0018] A guide mechanism is provided on the upper back door body along the front-to-back direction; and

[0019] The supporting mechanism comprises a connecting member slidably connected to the guide mechanism along the front-rear direction and a supporting member rotatably connected to the connecting member. The supporting member is also rotatably connected to the vehicle body.

[0020] In combination with the first aspect, in a possible implementation, the guide mechanism includes a first guide rail and a second guide rail parallel to each other, the first guide rail is connected to the vehicle body, the second guide rail is connected to the upper tailgate body, and also includes a traction member slidably connected to the first guide rail and the support member, and the connecting member is slidably connected to the second guide rail.

[0021] In combination with the first aspect, in a possible implementation, the second guide rail is provided with a guide channel along the front-to-back direction, and is further provided with an avoidance groove connected to the guide channel, the avoidance groove extending along the front-to-back direction, and the connecting member includes:

[0022] a guide block slidably disposed in the guide channel; and

[0023] The connecting piece has a fixing portion connected to the guide block and an extending portion extending out of the guide channel through the avoidance groove, and the extending portion is rotatably connected to the support member.

[0024] With reference to the first aspect, in a possible implementation, the first guide rail includes:

[0025] a fixing plate connected to the vehicle body; and

[0026] A guide member is connected to the fixed plate, and the guide member is provided with a guide channel along the front-to-back direction, and a clearance groove connected to the guide channel, and the clearance groove extends along the front-to-back direction. The traction member has a connecting portion slidably arranged in the guide channel and a traction portion extending out of the guide channel from the clearance groove, and the traction portion is slidably connected to the support member.

[0027] The advantageous effect of the sliding tailgate assembly provided by the present invention is that, compared to the prior art, the support assembly of the present invention first lifts the rear portion of the tailgate body upward until it is flush with or higher than the front portion when opening. A front drive mechanism drives the traction assembly forward, thereby moving the tailgate body forward. As the tailgate body moves forward, the support assembly remains stationary. When the front portion of the tailgate body moves above the vehicle roof, the support assembly corresponds to the rear portion of the tailgate body, the front drive mechanism stops, and the rear drive mechanism drives the support assembly forward, controlling the tailgate body to continue moving forward until the tailgate body is completely above the vehicle roof. The present invention uses the front and rear drive mechanisms, respectively, to drive the traction assembly and support assembly to move the tailgate body directly above the vehicle roof, thereby fully opening the vehicle trunk opening, facilitating the movement of items in and out of the trunk and reducing the space required when the tailgate body is opened. In addition, the flexible shaft has a certain degree of rigidity, which not only pulls the upper tailgate body forward but also applies a thrust to the upper tailgate body to reset it. Furthermore, the flexible shaft has both deformability and rigidity, making the upper tailgate body more stable during movement. The utility model utilizes a front flexible shaft and a rear flexible shaft to drive the upper tailgate body, simplifying the drive structure and reducing the space occupied on the top of the vehicle.

[0028] In a second aspect, an embodiment of the present invention further provides a vehicle including the above-mentioned sliding tailgate assembly.

[0029] The beneficial effect of the vehicle provided by the present invention is that, compared with the prior art, the above-mentioned sliding tailgate assembly is adopted, and the technical effect is similar to that of the above-mentioned sliding tailgate assembly, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0031] Figure 1 A schematic diagram of the structure of the sliding tailgate assembly provided by an embodiment of the present invention when closed;

[0032] Figure 2 Schematic diagram of the front drive assembly and rear drive assembly used in the embodiment of the utility model

[0033] Figure 3 Another schematic diagram of a sliding tailgate assembly provided by an embodiment of the present invention;

[0034] Figure 4 A schematic diagram of the internal structure of a sliding tailgate assembly provided in an embodiment of the present invention;

[0035] Figure 5 A schematic diagram of the partial structure of a sliding tailgate assembly provided in an embodiment of the present utility model;

[0036] Figure 6 For the Figure 5 Cross-sectional structural diagram along line AA;

[0037] Figure 7 This is a partial schematic diagram of the support assembly and traction assembly used in the present utility model.

[0038] In the figure: 1. upper back door body; 2. support assembly; 201. support member; 202. first guide rail; 2021. fixing plate; 2022. guide member; 203. second guide rail; 204. connecting member; 2041. guide block; 2042. connecting plate; 205. traction member; 3. traction assembly; 301. traction rail; 302. hinge; 303. sliding member; 3031. slide; 4. front drive mechanism; 401. front drive module; 402. front flexible shaft; 5. rear drive mechanism; 501. rear drive module; 502. rear flexible shaft. DETAILED DESCRIPTION

[0039] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0040] In the claims, specification, and drawings of the present invention, unless otherwise expressly defined, terms such as "first," "second," or "third" are used to distinguish different objects, rather than to describe a specific order. The directional terms "up" and "down" in the claims, specification, and drawings of the present invention are the same as the up-down direction of the vehicle body, the terms "left" and "right" are the same as the left-right direction of the vehicle body, the terms "front" and "rear" are the same as the front-to-back direction of the vehicle body, and the term "inside" refers to the side adjacent to the passenger compartment in the left-right direction of the vehicle body, and vice versa. Unless otherwise specified, other directional terms such as "vertical," "clockwise," and "counterclockwise" indicate directions or positional relationships based on the directions and positional relationships shown in the drawings, and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or component referred to must have a specific direction or be constructed and operated in a specific direction, and therefore should not be understood as limiting the specific scope of protection of the present invention. Unless otherwise expressly limited, the terms "fixed connection" or "fixed connection" used in the claims, specification, and drawings of this utility model should be broadly interpreted to mean any connection without displacement or relative rotation between the two parts, including non-detachable fixed connection, detachable fixed connection, integral connection, and fixed connection via other devices or elements. The terms "including," "having," and their variations used in the claims, specification, and drawings of this utility model are intended to mean "including but not limited to."

[0041] It should be noted that Figure 2 The front drive mechanism includes two front flexible shafts, the rear drive mechanism includes two rear flexible shafts, two sets of traction assemblies are symmetrically distributed on the left and right sides of the upper back door body, and two sets of support assemblies are symmetrically distributed on the left and right sides of the upper back door body. The front flexible shafts are arranged one-to-one with the traction assemblies, and the rear flexible shafts are arranged one-to-one with the support assemblies. Figure 3 The middle support assembly raises the rear portion of the upper back door body.

[0042] Please also refer to Figures 1 to 3The sliding tailgate assembly and vehicle provided by the present invention are now described. The sliding tailgate assembly includes a tailgate body 1, a traction assembly 3 connected to the front of the tailgate body 1, and a support assembly 2 connected to the rear of the tailgate body 1. The support assembly 2 is used to lift the rear of the tailgate body 1 upward, and the traction assembly 3 is used to pull the tailgate body 1 forward to above the vehicle roof. The assembly also includes a drive assembly connected to the traction assembly 3 and the support assembly 2, respectively. The drive assembly includes a front drive mechanism 4 and a rear drive mechanism 5. The front drive mechanism 4 includes a front drive module 401 provided on the vehicle body and a front flexible shaft 402 connected to the front drive module 401, the rear of the front flexible shaft 402 being connected to the traction assembly 3; the rear drive mechanism 5 includes a rear drive module 501 provided on the vehicle body and a rear flexible shaft 502 connected to the rear drive module 501, the rear of the rear flexible shaft 502 being connected to the support assembly 2.

[0043] The present invention provides a sliding tailgate assembly that, compared to the prior art, features a different design. When opening, the support assembly 2 first lifts the rear portion of the tailgate body 1 until it is flush with or higher than the front portion. A front drive mechanism 4 then drives the traction assembly 3 forward, thereby moving the tailgate body 1 forward. While the tailgate body 1 moves forward, the support assembly 2 remains stationary. When the front portion of the tailgate body 1 reaches above the vehicle's roof, the support assembly 2 aligns with the rear portion of the tailgate body 1, the front drive mechanism 4 deactivates, and the rear drive mechanism 5 drives the support assembly 2 forward, controlling the tailgate body 1 to continue moving forward until it is completely above the vehicle's roof. The present invention utilizes the front drive mechanism 4 and the rear drive mechanism 5, respectively, to drive the traction assembly 3 and the support assembly 2, moving the tailgate body 1 directly above the vehicle's roof. This fully opens the vehicle's trunk opening, facilitating easy access for items to enter and exit the trunk and reducing the space required for opening the tailgate body 1. In addition, the flexible shaft has a certain supporting performance, not only can it pull the upper tailgate body 1 forward, but also can apply a thrust to the upper tailgate body 1 to reset it. Moreover, the flexible shaft has both deformation ability and supporting force, making the upper tailgate body 1 more stable during movement. The utility model uses the front flexible shaft 402 and the rear flexible shaft 502 to drive the upper tailgate body 1, which simplifies the drive structure and reduces the space occupied on the top of the vehicle.

[0044] It should be noted that if a motor were to wind up a wire rope to pull the traction assembly 3 and support assembly 2, the wire rope would be easily bent and unable to exert thrust on the traction assembly 3 and support assembly 2, resulting in the tailgate body 1 being unable to return to its original position. Furthermore, if a lead screw were to be used to drive the traction assembly 3 and support assembly 2 in the forward and backward directions, a large amount of space would be occupied on the roof of the vehicle, and the lead screw would easily interfere with the tailgate body 1.

[0045] Optionally, multiple sets of traction assemblies 3 and multiple sets of support assemblies 2 are symmetrically provided on the left and right sides of the upper back door body 1. Each set of traction assemblies 3 is connected to a set of front drive mechanisms 4, and each set of support assemblies 2 is connected to a set of rear drive mechanisms 5. In this embodiment, the front drive mechanisms 4 are provided in a one-to-one correspondence with the traction assemblies 3, and the rear drive mechanisms 5 are provided in a one-to-one correspondence with the support assemblies 2, so that the positions of the traction assemblies 3 and support assemblies 2 can be flexibly adjusted.

[0046] Optionally, the sliding tailgate assembly further includes a plurality of guide members disposed on the vehicle roof, each of the guide members defining a guide groove. The plurality of guide members correspond to the front flexible shaft and the rear flexible shaft, respectively, and the front flexible shaft and the rear flexible shaft are disposed in corresponding guide grooves to guide their movement.

[0047] In some embodiments, see Figure 1 and Figure 3 The traction assembly 3 includes a traction slide rail 301, a sliding member 303 and a hinge 302. The traction slide rail 301 is arranged on the vehicle body along the front and rear directions; the sliding member 303 is slidably connected to the traction slide rail 301 along the front and rear directions, and the sliding member 303 is also connected to the front soft shaft 402. The front soft shaft 402 is used to drive the sliding member 303 to slide along the traction slide rail 301; the hinge 302 is rotatably or slidably connected to the sliding member 303, and is rotatably connected to the front part of the upper back door body 1. The hinge 302 is used to realize the lifting or lowering of the upper back door body 1.

[0048] When the back door is closed, the back door body seals the trunk opening. To open the trunk, the hinge 302 rotates around the slider 303 or slides along the slider 303 to lift the back door body upward. The support assembly 2 drives the back door body to rotate around the hinge 302, causing the rear end of the back door body to flip upward until the rear end of the back door body is no lower than the front end. The slider 303 then slides forward along the traction rail 301, sliding the back door body to just above the roof to open the trunk. Conversely, to close the back door body, the back door body is first slid backward to the rear of the roof. The support assembly 2 then drives the back door body to rotate around the hinge 302, causing the rear end of the back door body to flip downward to the lowest point. Finally, the hinge 302 rotates or slides to lower the back door body to cover the trunk opening. This utility model does not need to occupy too much space at the rear or above the vehicle when opening the back door body. The back door body is lifted above the roof and then slid forward to correspond to the roof, so that items can be taken in and out of the trunk. In addition, since the back door body is located above the roof after opening, the trunk is completely open, and even large items can be smoothly put in and out of the trunk, which improves the convenience of taking and putting items in and out of the trunk.

[0049] In some embodiments, see Figure 2The front soft shaft 402 and the rear soft shaft 502 are both provided with a driving rack along the axial direction of the soft shaft, and the front driving module 401 and the rear driving module 501 both include a driver and a transmission gear connected to the driver, and the transmission gear is engaged with the driving rack.

[0050] The driver controls the rotation of the transmission gear, and the driving rack engaged with the transmission gear moves, so that the front soft shaft 402 pulls or pushes the support assembly 2, and the rear soft shaft 502 pulls or pushes the traction assembly 3. The scheme in the embodiment is simple, and the forward pulling or rear pushing is realized by the movement of the front soft shaft 402 and the rear soft shaft 502, without the need for too many transmission components, thereby simplifying the structure.

[0051] Optionally, the front soft shaft 402 and the rear soft shaft 502 both include a connecting part provided in the front-rear direction and a driving part provided in the left-right direction. Since the soft shaft has a certain deformation ability, the connecting part can be moved in the front-rear direction as the driving part moves in the left-right direction, thereby realizing the forward pulling or rear pushing of the traction assembly 3 or the support assembly 2.

[0052] Specifically, the vehicle top has a avoiding space, and when the traction assembly 3 or the support assembly 2 is pulled forward, the driving part is moved into the avoiding space.

[0053] Optionally, the traction assembly 3 and the support assembly 2 are both provided with two groups, which are symmetrically arranged on the two sides of the upper back door body 1 in the left-right direction, the front soft shaft 402 is arranged in one-to-one correspondence with the traction assembly 3, and the rear soft shaft 502 is arranged in one-to-one correspondence with the support assembly 2. The two front soft shafts 402 are respectively located on the opposite sides of the transmission gears of the front driving modules 401, the two rear soft shafts 502 are respectively located on the opposite sides of the transmission gears of the rear driving modules 501, the two groups of front soft shafts 402 move in opposite directions, and the two groups of rear soft shafts 502 move in opposite directions, thereby synchronously pulling the upper back door body 1.

[0054] Optionally, the transmission gear can also be replaced by a worm, and the driving rack can also be a thread adapted to the worm.

[0055] In some embodiments, not shown in the figure, the hinge 302 is a telescopic member, and one end of the hinge 302 is rotationally connected to the sliding member 303, and the other end of the hinge 302 is rotationally connected to the upper back door body 1.

[0056] When the upper back door body 1 is opened, the hinge 302 is elongated and the two ends are simultaneously rotated, so that the upper back door body 1 is lifted upward above the rear top of the vehicle, avoiding the interference between the front part of the upper back door body 1 and the top of the vehicle when the tail of the upper back door body 1 is upwardly turned, and also realizing the sliding of the upper back door body 1 forward above the top of the vehicle.

[0057] Optionally, the hinge 302 can be a pneumatic or hydraulic telescopic member, such as a pneumatic cylinder or a hydraulic cylinder.

[0058] In some embodiments, see Figure 4 A sliding groove 3031 is provided on the sliding member 303, and the rear part of the sliding groove 3031 has a lifting area, the tail end of the lifting area is inclined upward, and the hinge member 302 has a sliding end slidably inserted in the sliding groove 3031, and a hinge end rotatably connected to the upper back door body 1.

[0059] When the upper back door body 1 is closed, the sliding end is located at the front end of the lifting area. When the upper back door body 1 is opened, the sliding end moves to the rear end of the lifting area to achieve the lifting of the upper back door body 1.

[0060] Optionally, the sliding end is a circular block structure. When the upper back door body 1 is opened, the upper back door body 1 can be rotated upward first (the sliding end rotates in the slide groove 3031), and then the upper back door body 1 is pulled toward the upper rear side (the sliding end moves toward the upper rear side of the slide groove 3031) to lift the upper back door body 1.

[0061] Optionally, when the upper back door body 1 is opened, the sliding member 303 slides forward, thereby driving the sliding end located in the sliding groove 3031 to move upward in the lifting area, thereby lifting the upper back door body 1. In this embodiment, the sliding member 303 can be driven by a pulling actuator, for example, by extending and retracting a pneumatic cylinder or a hydraulic cylinder to achieve the sliding of the sliding member 303, or by using a motor to drive a flexible shaft to achieve the forward pulling and backward pushing of the sliding member 303.

[0062] In some embodiments, see Figures 4 to 7 The support assembly 2 includes a guide mechanism and a support mechanism. The guide mechanism is arranged on the upper tailgate body 1 along the front-to-back direction; the support mechanism includes a connecting member 204 slidingly connected to the guide mechanism along the front-to-back direction and a support member 201 rotatably connected to the connecting member 204, and the support member 201 is also rotatably connected to the vehicle body.

[0063] When opening the upper back door body 1, the connecting member 204 slides forward along the guide mechanism, and the support member 201 lifts the upper back door body 1 upward until the rear end of the upper back door body 1 is no lower than the front end. Conversely, when closing the upper back door body 1, the connecting member 204 slides backward along the guide mechanism, reducing the angle between the support member 201 and the upper back door body 1, and the rear end of the upper back door body 1 tilts downward. In this embodiment, the movement of the connecting member 204 pulls the support member 201, thereby opening or closing the upper back door body 1.

[0064] Optionally, the traction rope or flexible shaft can be driven by a motor to pull the connecting member 204, so that the connecting member 204 can slide back and forth along the guide mechanism, or the support member 201 can be rotated by manually lifting the upper back door body 1, thereby driving the connecting member 204 to slide back and forth.

[0065] As a specific embodiment of the support member 201 , the support member 201 is a telescopic member, and the fixed end of the support member 201 is rotatably connected to the vehicle body, and the telescopic end of the support member 201 is rotatably connected to the connecting member 204 .

[0066] When the upper back door body 1 is opened, the support member 201 extends, and the fixed end and the telescopic end of the telescopic member rotate, and the telescopic end drives the connecting member 204 to slide forward, thereby turning the upper back door body 1 upward. Conversely, the support member 201 returns to its original position, and the upper back door body 1 turns downward.

[0067] Optionally, the support member 201 is a pneumatic or hydraulic telescopic member.

[0068] In some embodiments, see Figures 4 to 7 The guide mechanism includes a first guide rail 202 and a second guide rail 203 parallel to each other, the first guide rail 202 is connected to the vehicle body, the second guide rail 203 is connected to the upper tailgate body 1, and also includes a traction member 205 slidably connected to the first guide rail 202 and the support member 201, and a connecting member 204 slidably connected to the second guide rail 203.

[0069] The traction member 205 is slidably connected to the first guide rail 202 and the support member 201. When the traction member slides back and forth along the first guide rail 202, it also slides along the support member 201, thereby pulling the support member 201 to slide along the second guide rail 203 along with the connecting member 204, thereby lifting or lowering the upper back door body 1. In this embodiment, the sliding of the traction member 205 drives the support member 201, thereby controlling the flipping of the upper back door body 1.

[0070] Optionally, the first guide rail 202 and the second guide rail 203 are distributed along the up-down direction or the left-right direction.

[0071] Optionally, a stopper is provided on the support member 201 and / or the first guide rail 202. When the pulling member 205 moves to the front end of the first guide rail 202, the pulling member 205 is in the stopper position, thereby maintaining the rear end of the upper back door body 1 in the open state. For example, the stopper position may be a locking groove, in which the pulling member 205 is positioned to secure the upper back door body 1 in the open state. When an external force is applied to the upper back door body 1, the pulling member 205 moves out of the locking groove, causing the upper back door body 1 to flip downward.

[0072] In some embodiments, see Figures 5 to 7 The second guide rail 203 is provided with a guide channel along the front-to-back direction, and is also provided with an avoidance groove connected to the guide channel, and the avoidance groove extends along the front-to-back direction. The connecting member 204 includes a guide block 2041 and a connecting piece 2042. The guide block 2041 is slidably arranged in the guide channel; the connecting piece 2042 has a fixed portion connected to the guide block 2041, and an extension portion extending out of the guide channel through the avoidance groove, and the extension portion is rotatably connected to the support member 201.

[0073] The guide block 2041 is slidably inserted into the guide channel, increasing the contact area with the second guide rail 203 and ensuring the stability of the connector 204 during movement. The extension of the connecting piece 2042 extends out of the guide channel through the avoidance groove, which prevents the connecting piece 2042 from interfering with the second guide rail 203 when moving with the guide block 2041.

[0074] Optionally, the connecting piece 2042 is perpendicular to the wire block.

[0075] In some embodiments, see Figures 5 to 7 The first guide rail 202 includes a fixed plate 2021 and a guide member 2022. The fixed plate 2021 is connected to the vehicle body; the guide member 2022 is connected to the fixed plate 2021. The guide member 2022 is provided with a guide channel along the front-to-back direction, and is also provided with a giveway groove connected to the guide channel. The giveway groove extends along the front-to-back direction. The traction member 205 has a connecting portion slidably arranged in the guide channel and a traction portion extending out of the guide channel from the giveway groove. The traction portion is slidably connected to the support member 201.

[0076] The fixing plate 2021 is secured to the vehicle body by bonding, screwing, or clamping, increasing the contact area with the vehicle body and thereby enhancing the stability of the fixing plate 2021. The connecting portion of the pulling member 205 slides within the guide channel of the guide member 2022, increasing the contact area with the guide member 2022 and improving the stability of the pulling member 205 during sliding. Furthermore, the pulling portion of the pulling member 205 extends out of the guide channel via a clearance slot to avoid interference with the first guide rail 202.

[0077] Based on the same inventive concept, the present invention also provides a vehicle. Figures 1 to 3 , the vehicle includes the above-mentioned sliding tailgate assembly.

[0078] The present invention provides a vehicle utilizing a sliding tailgate assembly. When opening, the support assembly 2 first lifts the rear portion of the tailgate body 1 until it is flush with or higher than the front portion. A front drive mechanism 4 drives the traction assembly 3 forward, thereby moving the tailgate body 1 forward. While the tailgate body 1 moves forward, the support assembly 2 remains stationary. When the front portion of the tailgate body 1 moves above the vehicle's roof, the support assembly 2 aligns with the rear portion of the tailgate body 1, the front drive mechanism 4 stops, and the rear drive mechanism 5 drives the support assembly 2 forward, controlling the tailgate body 1 to continue moving forward until the tailgate body 1 is completely above the vehicle's roof. The present invention utilizes the front drive mechanism 4 and the rear drive mechanism 5, respectively, to drive the traction assembly 3 and the support assembly 2, moving the tailgate body 1 directly above the vehicle's roof. This fully opens the vehicle's trunk opening, facilitating easy access for items to enter and exit the trunk and reducing the space required for opening the tailgate body 1. In addition, the flexible shaft has a certain supporting performance, not only can it pull the upper tailgate body 1 forward, but also can apply a thrust to the upper tailgate body 1 to reset it. Moreover, the flexible shaft has both deformation ability and supporting force, making the upper tailgate body 1 more stable during movement. The utility model uses the front flexible shaft 402 and the rear flexible shaft 502 to drive the upper tailgate body 1, which simplifies the drive structure and reduces the space occupied on the top of the vehicle.

[0079] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Sliding back door assembly, characterized in that: The invention comprises an upper back door body (1), a traction assembly (3) connected to the front of the upper back door body (1), and a support assembly (2) connected to the rear of the upper back door body (1), wherein the support assembly (2) is used to lift the rear of the upper back door body (1) upwards, and the traction assembly (3) is used to pull the upper back door body (1) forward to above the roof of the vehicle, and further comprises a driving assembly respectively connected to the traction assembly (3) and the support assembly (2), wherein the driving assembly comprises: A front drive mechanism (4) comprises a front drive module (401) provided on the vehicle body and a front flexible shaft (402) connected to the front drive module (401), wherein the rear portion of the front flexible shaft (402) is connected to the traction assembly (3); and The rear drive mechanism (5) comprises a rear drive module (501) arranged on the vehicle body and a rear flexible shaft (502) connected to the rear drive module (501), wherein the rear portion of the rear flexible shaft (502) is connected to the support assembly (2).

2. The sliding tailgate assembly according to claim 1, wherein: The front flexible shaft (402) and the rear flexible shaft (502) are both provided with a driving rack along their own axial direction; the front driving module (401) and the rear driving module (501) both comprise a driver and a transmission gear connected to the driver; the transmission gear is meshed with the driving rack.

3. The sliding tailgate assembly according to claim 1, wherein: The traction assembly (3) comprises: A traction slide rail (301) is provided on the vehicle body along the front-rear direction; A sliding member (303) is slidably connected to the traction rail (301) in a front-to-back direction, and the sliding member (303) is also connected to the front flexible shaft (402). The front flexible shaft (402) is used to drive the sliding member (303) to slide along the traction rail (301); and The hinge (302) is connected to the sliding member (303) in a rotational or sliding manner and is connected to the front portion of the upper back door body (1). The hinge (302) is used to achieve the lifting or lowering of the upper back door body (1).

4. The sliding tailgate assembly according to claim 3, wherein: The hinge (302) is a telescopic member, and one end of the hinge (302) is rotatably connected to the sliding member (303), and the other end of the hinge (302) is rotatably connected to the upper back door body (1).

5. The sliding tailgate assembly according to claim 3, wherein: The sliding member (303) is provided with a sliding groove (3031), and the rear portion of the sliding groove (3031) has a lifting area, the tail end of the lifting area is tilted upward, and the hinge member (302) has a sliding end that is slidably inserted into the sliding groove (3031) and a hinge end that is rotatably connected to the upper back door body (1).

6. The sliding tailgate assembly according to claim 1, wherein: The support assembly (2) comprises: A guide mechanism is provided on the upper back door body (1) along the front-back direction; and The supporting mechanism comprises a connecting member (204) slidably connected to the guide mechanism along the front-rear direction and a supporting member (201) rotatably connected to the connecting member (204); the supporting member (201) is also rotatably connected to the vehicle body.

7. The sliding tailgate assembly according to claim 6, wherein: The guide mechanism comprises a first guide rail (202) and a second guide rail (203) which are parallel to each other, wherein the first guide rail (202) is connected to the vehicle body, and the second guide rail (203) is connected to the upper tailgate body (1). The guide mechanism also comprises a traction member (205) which is slidably connected to the first guide rail (202) and the support member (201), and the connecting member (204) is slidably connected to the second guide rail (203).

8. The sliding tailgate assembly according to claim 7, wherein: The second guide rail (203) is provided with a guide channel along the front-back direction, and is also provided with an avoidance groove connected to the guide channel, the avoidance groove extending along the front-back direction, and the connecting member (204) includes: a guide block (2041) slidably disposed in the guide channel; and The connecting piece (2042) has a fixing portion connected to the guide block (2041), and an extending portion extending outward from the guide channel through the avoidance groove, wherein the extending portion is rotatably connected to the support member (201).

9. The sliding tailgate assembly according to claim 7, wherein: The first guide rail (202) comprises: a fixing plate (2021) connected to the vehicle body; and The guide member (2022) is connected to the fixing plate (2021), the guide member (2022) is provided with a guide channel along the front-to-back direction, and is also provided with a clearance groove connected to the guide channel, the clearance groove extends along the front-to-back direction, the traction member (205) has a connecting portion slidably arranged in the guide channel and a traction portion extending from the clearance groove out of the guide channel, the traction portion is slidably connected to the support member (201).

10. A vehicle, characterized in that A sliding tailgate assembly according to any one of claims 1 to 9.

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