Hood assembly for a vehicle and vehicle

By using a combination of elastic elements, buffers, and pistons in the vehicle's luggage compartment, the problems of rapid hatch pop-up and torsion spring breakage were solved, achieving smooth opening and closing of the hatch and improving vehicle safety.

CN117127869BActive Publication Date: 2026-05-29ZHEJIANG GEELY HLDG GRP CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHEJIANG GEELY HLDG GRP CO LTD
Filing Date
2023-08-15
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

The existing vehicle's luggage compartment cover opens quickly, which can easily injure people, and the torsion spring is prone to breakage after prolonged use, posing a safety hazard.

Method used

It adopts a combination structure of elastic element, buffer element and piston. The elastic element provides driving force, and the buffer element and piston provide damping force, which work together to control the opening and closing of the hatch and ensure a smooth opening process.

Benefits of technology

This improves the safety and stability of the hatch, avoids the risks of rapid pop-up and torsion spring breakage, and enhances vehicle safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a hatch assembly for a vehicle and the vehicle. The hatch assembly according to the application comprises a bracket, a hatch, an elastic member, a buffer member and a piston, the bracket is arranged in a luggage compartment of the vehicle and connected with a vehicle body, the hatch is pivotally arranged on the bracket to selectively open and close a luggage compartment of the vehicle, one end of the elastic member is connected with the hatch, the other end of the elastic member is connected with the vehicle body, the buffer member is arranged on the vehicle body and a buffer cavity is arranged in the buffer member, the piston is movably arranged in the buffer cavity and connected with the hatch, and the piston is adapted to generate a damping force to hinder the hatch from being opened when the hatch is opened. The hatch assembly according to the application provides driving force to drive the hatch to rotate on the bracket to open and close the luggage compartment of the vehicle through cooperation of the elastic member, the buffer member and the piston, wherein the elastic member can provide main power, and cooperation of the piston and the buffer member can provide a damping force to make the process of opening the hatch more stable, thereby improving the safety of the hatch assembly.
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Description

Technical Field

[0001] This invention relates to the field of vehicles, and more particularly to a hatch assembly for a vehicle and a vehicle. Background Technology

[0002] In existing technology, vehicle luggage compartments typically use a combination of springs and torsion springs. The torsion spring's deformation generates a driving force to control the opening of the trunk lid. However, using this method to open the luggage compartment has several drawbacks. During the opening phase, the torsion spring's elasticity is at its maximum, causing the lid to spring up quickly, which can easily injure people. At the end of the opening, the trunk lid is prone to shaking, resulting in poor stability. Furthermore, when the trunk lid is heavy, the torsion spring is prone to breakage after prolonged use, creating a safety hazard. Summary of the Invention

[0003] This invention aims to at least solve one of the technical problems existing in the prior art. Therefore, one object of this invention is to provide a hatch assembly for a vehicle. According to the invention, the hatch assembly utilizes an elastic element, a buffer element, and a piston to provide driving force, causing the hatch to rotate on a support, thus realizing the opening and closing of the vehicle's luggage compartment. The elastic element provides the main power, while the piston and buffer element work together to provide damping force when the hatch opens, making the opening process smoother and improving the safety of the hatch assembly.

[0004] The present invention also proposes a vehicle including the above-described hatch assembly.

[0005] The hatch assembly according to the present invention includes a bracket, a hatch, an elastic element, a buffer element, and a piston. The bracket is disposed in the luggage compartment of the vehicle and connected to the vehicle body. The hatch is pivotally disposed on the bracket to selectively open and close the luggage compartment of the vehicle. One end of the elastic element is connected to the hatch, and the other end of the elastic element is connected to the vehicle body. The buffer element is disposed on the vehicle body and has a buffer cavity inside. The piston is movably disposed in the buffer cavity and connected to the hatch, and the piston is adapted to generate a damping force that prevents the hatch from opening when the hatch is opened.

[0006] According to the present invention, the hatch assembly has a bracket connected to the vehicle body inside the luggage compartment. The bracket may be provided with a pivot shaft or other structure so that the hatch can be pivotally connected to the bracket during assembly. After assembly, the hatch can open the luggage compartment by rotating itself. The hatch assembly can also be equipped with elastic elements, buffer elements, and pistons as driving devices for hatch rotation. One end of the elastic element is connected to the hatch, and the other end is connected to the vehicle body. The elastic element can provide driving force for the hatch through its own elasticity. It can be understood that when the hatch is closed, the elastic element is stretched, and when the hatch is opened, the elastic element returns to its original shape and drives the hatch to open. The buffer element can be set on the vehicle body and has a buffer cavity inside. The buffer cavity can contain gas. The piston is movably set in the buffer cavity and connected to the hatch. When the hatch is opened, the piston moves in a predetermined direction. The gas in the buffer cavity is compressed, which generates a damping force on the piston's movement, preventing the piston from moving too fast. At this time, the rotation speed of the hatch connected to the piston is also limited, avoiding the phenomenon of the hatch popping up quickly due to the large elasticity of the elastic element at the beginning, thus improving the safety of the hatch assembly.

[0007] According to one embodiment of the present invention, the hatch assembly further includes a first connector and a second connector, the first connector being connected to the vehicle body and connected to one end of the elastic member and one end of the buffer member; the second connector being connected to the other end of the elastic member and connecting the piston connection to the hatch.

[0008] According to one embodiment of the present invention, the hatch includes a hatch body and connecting rods. The connecting rods are configured to be two rods spaced apart in the vehicle width direction. One end of the connecting rod is pivotally mounted on the bracket, and the other end of the connecting rod is connected to the hatch body. The two connecting rods are respectively connected to the second connecting member.

[0009] According to one embodiment of the present invention, the hatch assembly further includes a pull cable assembly, the pull cable assembly having a main line and a first branch line and a second branch line connected to the main line, the main line being connected to the second connector, and the first branch line and the second branch line being respectively connected to the two connecting rods.

[0010] According to one embodiment of the present invention, a hatch assembly hose is provided, the hose being sleeved on at least a portion of the outer periphery of the main line, the first branch line and / or the second branch line.

[0011] According to one embodiment of the invention, the hatch assembly further includes a latch disposed on the vehicle body and adapted to engage with the hose to restrict the movement of the hose.

[0012] According to one embodiment of the present invention, the hatch assembly further includes a limiting member disposed on the vehicle body, the limiting member having a limiting hole formed thereon suitable for limiting the first dividing line and / or the second dividing line, the opening direction of the limiting hole being orthogonal to the pivot axis of the connecting rod.

[0013] According to one embodiment of the present invention, the connecting rod includes a first segment and a second segment, one end of the first segment being pivotally disposed on the bracket, and the other end of the first segment extending toward a rotation center away from the bracket; one end of the second segment being connected to the other end of the first segment and the second segment being configured to bend toward the opening direction of the luggage compartment, and the other end of the second segment being connected to the hatch body.

[0014] According to one embodiment of the present invention, the piston is disposed in the buffer cavity and divides the buffer cavity into a first cavity and a second cavity. The piston is provided with a first air passage and a second air passage that connect the first cavity and the second cavity. The first air passage is normally open, and the second air passage is adapted to be closed when the hatch is opened and adapted to be open when the hatch is closed.

[0015] The vehicle according to the present invention is briefly described below.

[0016] The vehicle according to the present invention includes the hatch assembly in the above embodiments. Since the vehicle according to the present invention is equipped with the hatch assembly in the above embodiments, when the luggage compartment needs to be opened, the buffer, the elastic element, and the piston cooperate to provide a driving force for the hatch cover to rotate and realize the opening and closing of the luggage compartment. During the opening process, the piston and the buffer can provide a damping force to make the opening process of the hatch cover smoother, avoiding the safety hazard caused by the hatch cover rapidly popping up due to the excessive elastic force of the elastic element, thus improving the safety of the vehicle.

[0017] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a structural diagram of a hatch assembly according to an embodiment of the present invention;

[0020] Figure 2 This is an assembly drawing of a buffer member, an elastic member, and a connecting rod according to an embodiment of the present invention;

[0021] Figure 3This is a schematic diagram of the hatch being opened according to an embodiment of the present invention;

[0022] Figure 4 This is a structural diagram of a buffer member, an elastic member, and a connecting rod according to an embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram showing the state of the elastic element and the connecting rod when the hatch is opened according to an embodiment of the present invention;

[0024] Figure 6 This is a structural diagram of a buffer member and an elastic member according to an embodiment of the present invention;

[0025] Figure 7 This is a structural diagram of a piston according to an embodiment of the present invention;

[0026] Figure 8 This is an assembly diagram of the hatch assembly being fixed to the vehicle body according to an embodiment of the present invention.

[0027] Figure label:

[0028] Hatch cover assembly 1;

[0029] Bracket 11;

[0030] Hatch cover 12, hatch cover body 121, connecting rod 122, first section 1221, second section 1222;

[0031] Elastic element 13;

[0032] Buffer component 14, buffer cavity 141;

[0033] Piston 15, first air passage 151, second air passage 152;

[0034] First connector 16, second connector 17, main line 181, first branch line 182, second branch line 183;

[0035] Hose 101, buckle 102, limiter 103. Detailed Implementation

[0036] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0037] In existing technology, vehicle luggage compartments typically use a combination of springs and torsion springs. The torsion spring's deformation generates a driving force to control the opening of the trunk lid. However, using this method to open the luggage compartment has several drawbacks. During the opening phase, the torsion spring's elasticity is at its maximum, causing the lid to spring up quickly, which can easily injure people. At the end of the opening, the trunk lid is prone to shaking, resulting in poor stability. Furthermore, when the trunk lid is heavy, the torsion spring is prone to breakage after prolonged use, creating a safety hazard.

[0038] The following is for reference. Figures 1-8 A hatch assembly according to an embodiment of the present invention is described.

[0039] The hatch assembly 1 according to the present invention includes a bracket 11, a hatch 12, an elastic member 13, a buffer member 14, and a piston 15. The bracket 11 is disposed in the luggage compartment of the vehicle and connected to the vehicle body. The hatch 12 is pivotally disposed on the bracket 11 to selectively open and close the luggage compartment of the vehicle. One end of the elastic member 13 is connected to the hatch 12, and the other end of the elastic member 13 is connected to the vehicle body. The buffer member 14 is disposed on the vehicle body and has a buffer cavity 141 inside. The piston 15 is movably disposed in the buffer cavity 141 and connected to the hatch 12. The piston 15 is adapted to generate a damping force that prevents the hatch 12 from opening when the hatch 12 is opened.

[0040] According to the present invention, the hatch assembly 1 has a bracket 11 connected to the vehicle body inside the luggage compartment. The bracket 11 may be equipped with a pivot shaft or other structures to allow the hatch 12 to pivotally connect to the bracket 11 during assembly. After assembly, the hatch 12 can open the luggage compartment by rotating on its own. The hatch assembly 1 may also include an elastic element 13, a buffer element 14, and a piston 15 as a driving device for the rotation of the hatch 12. One end of the elastic element 13 is connected to the hatch 12, and the other end is connected to the vehicle body. The elastic element 13 can provide driving force to the hatch 12 through its own elasticity. This can be understood as follows: when the hatch is closed, the elastic element 13 is stretched; when the hatch is opened, the elastic element 13 recovers its deformation and drives the hatch to open. The buffer element 14 may be installed on the vehicle body, and a buffer is formed inside the buffer element 14. The buffer chamber 141 can contain gas. The piston 15 is movably disposed in the buffer chamber 141 and connected to the hatch 12. When the hatch is opened, the piston 15 moves in a predetermined direction. The gas in the buffer chamber 141 is compressed and generates a damping force on the movement of the piston 15, preventing the piston 15 from moving too fast. At this time, the rotation speed of the hatch 12 connected to the piston 15 is also limited, avoiding the phenomenon that the hatch 12 will quickly bounce up due to the large elastic force of the elastic element 13 at the beginning, thus improving the safety of the hatch assembly 1.

[0041] According to one embodiment of the present invention, the hatch assembly 1 further includes a first connector 16 and a second connector 17. The first connector 16 is connected to the vehicle body and to one end of the elastic member 13 and one end of the buffer member 14. The second connector 17 is connected to the other end of the elastic member 13 and connects the piston 15 to the hatch 12. Since the hatch assembly 1 controls the opening and closing of the hatch 12 through the cooperation between the buffer member 14, the elastic member 13, and the piston 15, the cooperation method of the buffer member 14, the elastic member 13, and the piston 15 affects the opening and closing of the hatch 12. The hatch assembly 1 is also provided with a first connector 16 and a second connector 17. Specifically, the hatch assembly 1 fixes the first connector 16 to the vehicle body and controls the first connector 16 to be connected to one end of the elastic member 13 and one end of the buffer member 14 respectively. The second connector 17 is spaced apart from the first connector 16 and connected to the other end of the elastic member 13. At the same time, the second connector 17 also connects the piston 15 to the hatch 12. When the hatch 12 is opened, the elastic element 13 drives the second connecting element 17 to move towards the first connecting element 16. At this time, the piston 15 moves towards the first connecting element 16 inside the buffer 14 and controls the speed of movement of the second connecting element 17, thereby controlling the opening speed of the hatch 12. The arrangement of the first connecting element 16 and the second connecting element 17 improves the stability of the buffer 14 and the elastic element 13 during operation, thereby ensuring the normal use of the hatch assembly 1.

[0042] According to one embodiment of the present invention, the hatch 12 includes a hatch body 121 and connecting rods 122. Two connecting rods 122 are configured to be spaced apart in the vehicle width direction. One end of each connecting rod 122 is pivotally mounted on a bracket 11, and the other end is connected to the hatch body 121. The two connecting rods 122 are respectively connected to a second connecting member 17. Since the rotation of the hatch 12 can control the opening or closing of the luggage compartment, the arrangement of the hatch 12 affects the opening or closing process of the luggage compartment. The hatch 12 is provided with a hatch body 121 and a connecting rod 122 connected to the hatch body 121. The connecting rod 122 is constructed as two rods and is spaced apart in the width direction of the vehicle body. One end of the connecting rod 122 is pivotally mounted on the bracket 11, and the other end of the connecting rod 122 can be connected to the hatch body 121. When the driving force is transmitted to the connecting rod 122, the connecting rod 122 can rotate around the connection point between the connecting rod 122 and the bracket 11 as the rotation axis under the action of the driving force. The connecting rod 122 controls the opening or closing of the hatch body 121 through its own rotation. Compared to the hatch body 121 being directly connected to the bracket 11, the connecting rod 122 increases the range of motion of the hatch body 121. At the same time, the connecting rod 122 also separates the hatch body 121 from the bracket 11 and other structures, preventing obstruction when the hatch body 121 opens or closes, and ensuring the smoothness of opening or closing the hatch body 121. In addition, the simultaneous movement of the two connecting rods 122 on the hatch body 121 can also improve the stability of the hatch body 121 during movement.

[0043] According to one embodiment of the present invention, the canopy assembly 1 further includes a pull cable assembly, which is provided with a main line 181 and a first branch line 182 and a second branch line 183 connected to the main line 181. The main line 181 is connected to a second connector 17, and the first branch line 182 and the second branch line 183 are respectively connected to two connecting rods 122. Since the canopy assembly 1 drives the canopy body 121 to rotate through the connecting rods 122 to open or close the luggage compartment, the movement of the connecting rods 122 will affect the opening or closing of the canopy 12. The hatch assembly 1 also includes a cable assembly, which has a main line 181 and a first branch line 182 and a second branch line 183 connected to the main line 181. The first branch line 182 and the second branch line 183 are each connected to a connecting rod 122. The main line 181 is connected to a second connector 17. When the second connector 17 drives the main line 181 to move, the main line 181 can drive the first branch line 182 and the second branch line 183 to move simultaneously. Under the action of the main line 181, the first branch line 182 and the second branch line 183 respectively drive the two connecting rods 122 to rotate synchronously to ensure the stability of the hatch body 121 during rotation.

[0044] According to one embodiment of the present invention, the hatch assembly 1 further includes a flexible hose 101, which is sleeved around at least a portion of the outer periphery of the main line 181, the first branch line 182, and / or the second branch line 183. Since the rotation of the connecting rod 122 is achieved by transmitting tension through the main line 181, the first branch line 182, and the second branch line 183, the arrangement of the main line 181 and the first branch line 182 and the second branch line 183 will affect the transmission of tension. The hatch assembly 1 also incorporates the flexible hose 101, which can cover at least a portion of the first branch line 182 and the second branch line 183. This can be understood as the first branch line 182 and the second branch line 183 passing through their respective flexible hoses 101 before connecting to their corresponding connecting rods 122. The design of the flexible hose 101 prevents interference between the first branch line 182 and the second branch line 183 and other structures of the hatch assembly 1, ensuring the stability of the movement of the connecting rod 122 during the pulling process of the first branch line 182 and the second branch line 183.

[0045] According to one embodiment of the present invention, the hatch assembly 1 further includes a latch 102, which is disposed on the vehicle body and adapted to engage with the hose 101 to restrict the movement of the hose 101. Since the hose 101 is disposed in the luggage compartment, the position of the hose 101 will affect the use of the hatch assembly 1. The hatch assembly 1 also provides a latch 102 on the hose 101 for fixing to the vehicle body. The latch 102 can restrict the movement of the hose 101, preventing the movement of the hose 101 from affecting the opening or closing of the luggage compartment during the opening or closing of the hatch 12, thereby improving the safety of the hatch assembly 1.

[0046] According to one embodiment of the present invention, the hatch assembly 1 further includes a limiting member 103 disposed on the vehicle body. The limiting member 103 has a limiting hole formed on it, which is suitable for limiting the first branch line 182 and / or the second branch line 183. The opening direction of the limiting hole is orthogonal to the pivot axis of the connecting rod 122. Since the first branch line 182 and the second branch line 183 are connected to the connecting rod 122 after passing through the corresponding hoses 101, the arrangement of the ports on the hoses 101 will affect the connection relationship between the first branch line 182 and the second branch line 183 and the connecting rod 122. The hatch assembly 1 is provided with a limiting member 103 fixed to the vehicle body. A limiting hole is formed on the limiting member 103. The opening direction of the limiting hole is orthogonal to the pivot axis of the connecting rod 122. During assembly, the end of the hose 101 can be accommodated in the limiting hole. At this time, when the first branch line 182 and the second branch line 183 passing through the hose 101 are connected to the corresponding connecting rod 122, at least a portion of the first branch line 182 and at least a portion of the second branch line 183 are parallel to the plane of rotation of the corresponding connecting rod 122. This allows the tension transmitted by the first branch line 182 and the second branch line 183 to be fully applied to pull the connecting rod 122 to rotate. It also avoids the rotation of the connecting rod 122 being affected by the offset of the connection direction when the first branch line 182 and the second branch line 183 are connected to the connecting rod 122. The setting of the limiting member 103 improves the stability of the connecting rod 122 when it is subjected to force and rotates.

[0047] According to one embodiment of the present invention, the connecting rod 122 includes a first segment 1221 and a second segment 1222. One end of the first segment 1221 is pivotally mounted on the bracket 11, and the other end of the first segment 1221 extends toward a rotation center away from the bracket 11. One end of the second segment 1222 is connected to the other end of the first segment 1221, and the second segment 1222 is configured to be bent toward the opening direction of the luggage compartment. The other end of the second segment 1222 is connected to the hatch body 121. Since the connecting rod 122 is the structure that drives the hatch body 121 to rotate, the configuration of the connecting rod 122 affects the rotation process of the hatch body 121. The connecting rod 122 is provided with a first segment 1221 and a second segment 1222 connected to each other. One end of the first segment 1221 is pivotally connected to the bracket 11, and the other end of the first segment 1221 is connected to one end of the second segment 1222. The other end of the second segment 1222 is connected to the hatch body 121. When the first segment 1221 is rotated under force, it drives the hatch body 121 to rotate through the second segment 1222. At this time, the second segment 1222 can be configured to be bent in the direction of opening the luggage compartment. The bent second segment 1222 can change the direction of the tension transmitted by the first segment 1221 to control the opening or closing of the hatch body 121. The first segment 1221 and the second segment 1222, when used together, can reduce the space occupied by the connecting rod 122 compared to the connecting rod 122 without bending design, which is beneficial to the arrangement of the hatch assembly 1.

[0048] According to one embodiment of the present invention, a piston 15 is disposed within a buffer cavity 141, dividing the buffer cavity 141 into a first cavity and a second cavity. The piston 15 is provided with a first air passage 151 and a second air passage 152 connecting the first cavity and the second cavity. The first air passage 151 is normally open, and the second air passage 152 is adapted to close when the hatch 12 is open and to open when the hatch 12 is closed. Since the piston 15 generates force when it cooperates with the buffer member 14 and transmits it to the second connecting member 17, the construction of the piston 15 affects the opening or closing of the hatch 12. After the piston 15 is assembled into the buffer cavity 141, it can divide the buffer cavity 141 into a first cavity and a second cavity. The hatch assembly 1 has an open first air passage 151 and a second air passage 152 that can be selectively opened or closed on the piston 15. When the hatch 12 is opened, the second air passage 152 closes, the gas flow between the first and second chambers is slow, and the piston 15 moves slowly, making the opening process of the hatch 12 smoother and improving the safety of the hatch assembly 1. When the hatch 12 is closed, the second air passage 152 opens, the gas flow is fast, and the piston 15 moves quickly, which can reduce the resistance encountered when the hatch is closed and make the closing action less strenuous.

[0049] The vehicle according to the present invention is briefly described below.

[0050] The vehicle according to the present invention includes the hatch assembly 1 in the above embodiments. Since the vehicle according to the present invention is equipped with the hatch assembly 1 in the above embodiments, when the luggage compartment needs to be opened, the buffer member 14, the elastic member 13, and the piston 15 cooperate to provide a driving force for the hatch cover 12 of the luggage compartment to rotate and realize the opening and closing of the luggage compartment. During the opening process, the piston 15 and the buffer member 14 cooperate to provide a damping force to make the opening process of the hatch cover 12 smoother, avoiding the safety hazard caused by the excessive elastic force of the elastic member 13 causing the hatch cover 12 to bounce up quickly, thus improving the safety of the vehicle.

[0051] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention 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. Therefore, they should not be construed as limitations on this invention.

[0052] In the description of this invention, "first feature" and "second feature" may include one or more of the features.

[0053] In the description of this invention, "a plurality of" means two or more.

[0054] In the description of this invention, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or it may include the first and second features not being in direct contact but being in contact through another feature between them.

[0055] In the description of this invention, the terms "above," "over," and "on top" for the first feature and the second feature include the first feature being directly above or diagonally above the second feature, or simply indicating that the first feature is at a higher horizontal level than the second feature.

[0056] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0057] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A hatch assembly for a vehicle, characterized in that, include: A bracket, which is installed in the luggage compartment of the vehicle and connected to the vehicle body; A hatch, pivotally mounted on the bracket to selectively open and close the vehicle's luggage compartment; An elastic element, one end of which is connected to the hatch and the other end of which is connected to the vehicle body; A buffer component is disposed on the vehicle body and has a buffer cavity inside it; A piston, movably disposed within the buffer chamber and connected to the hatch, the piston being adapted to generate a damping force that impedes the opening of the hatch when the hatch is opened; The piston is disposed in the buffer cavity and divides the buffer cavity into a first cavity and a second cavity. The piston is provided with a first air passage and a second air passage that connect the first cavity and the second cavity. in The first air passage is normally open, and the second air passage is adapted to close when the hatch is open and adapted to open when the hatch is closed.

2. The hatch assembly for a vehicle according to claim 1, characterized in that, Also includes: A first connector is connected to the vehicle body and is connected to one end of the elastic member and one end of the buffer member; The second connector is connected to the other end of the elastic member and connects the piston to the hatch.

3. The hatch assembly for a vehicle according to claim 2, characterized in that, The hatch includes: hatch body; The connecting rods are configured as two rods spaced apart in the width direction of the vehicle body. One end of the connecting rod is pivotally mounted on the bracket, and the other end of the connecting rod is connected to the hood body. The two connecting rods are respectively connected to the second connecting member.

4. The hatch assembly for a vehicle according to claim 3, characterized in that, Also includes: A pull-wire assembly, comprising a main wire and a first branch wire and a second branch wire connected to the main wire, the main wire being connected to a second connector, and the first branch wire and the second branch wire being respectively connected to two connecting rods.

5. The hatch assembly for a vehicle according to claim 4, characterized in that, Also includes: A flexible tube, which is fitted around at least a portion of the outer periphery of the main line, the first branch line, and / or the second branch line.

6. The hatch assembly for a vehicle according to claim 5, characterized in that, Also includes: A clip, which is disposed on the vehicle body and adapted to engage with the hose to restrict the movement of the hose.

7. The hatch assembly for a vehicle according to claim 4, characterized in that, It also includes: a limiting member disposed on the vehicle body, the limiting member having a limiting hole formed on it to limit the first dividing line and / or the second dividing line, the opening direction of the limiting hole being orthogonal to the pivot axis of the connecting rod.

8. The hatch assembly for a vehicle according to claim 3, characterized in that, The connecting rod includes: The first segment has one end pivotally mounted on the support, and the other end of the first segment extends toward a rotation center away from the support. The second segment has one end connected to the other end of the first segment and is configured to bend toward the opening direction of the luggage compartment, and the other end of the second segment is connected to the hatch body.

9. A vehicle, characterized in that, Includes the hatch assembly for a vehicle as described in any one of claims 1-8.