Swing opening and closing mechanism, vehicle turbulent flow device and vehicle

By using a swing opening and closing mechanism of swing arms and elastic parts in the automobile spoiler device, the problem of impacting the spoiler when closed is solved, and a flexible swing opening and closing is achieved, which improves stability and reliability.

CN222591630UActive Publication Date: 2025-03-11BYD CO LTD
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Patent Information

Application Number
CN202420848386.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-03-11
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

When closed, existing car spoilers are prone to impact with body parts such as the rear bumper, causing noise or component damage.

Method used

A swing opening and closing mechanism including a swing arm and an elastic member is designed to provide the restoration force of the swing arm reset through the elastic deformation of the elastic member, and realize flexible swing opening and closing, avoiding direct impact with the vehicle body parts.

Benefits of technology

Effectively prevent shocks when the spoiler is closed, reduce the risk of noise and component damage, and improve stability and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

A swing opening and closing mechanism, a vehicle turbulence device and a vehicle, the swing opening and closing mechanism comprises a swing arm and an elastic member, the swing arm can swing from a first position to a second position under the action of a driving force, the elastic member is connected with the swing arm, and the elastic member can generate elastic deformation along with the swing of the swing arm. The elastic restoring force is used for resetting the swing arm from the second position to the first position. The swing opening and closing mechanism can be opened and closed in a flexible swing mode and has the advantages of being high in impact resistance, good in stability and high in reliability.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to an automobile spoiler device. Background Art

[0002] When a vehicle is driving at high speed or turning, the tire grip will weaken and the driving stability will deteriorate. By installing a spoiler device at the bottom of the rear bumper of the vehicle, the air flow efficiency at the bottom of the vehicle is improved, and the airflow around the spoiler generates pressure to press down the vehicle, thereby improving the tire grip to ensure the stability of operation. In the prior art, when the spoiler is closed, it is easy to collide with the rear bumper and other body parts, thereby generating noise or causing damage to the parts. Utility Model Content

[0003] The utility model aims to solve at least one of the above technical problems to a certain extent. To achieve the above purpose, the utility model provides a swing opening and closing mechanism, a vehicle spoiler and a vehicle.

[0004] The swing opening and closing mechanism of the utility model is used for vehicles. The swing opening and closing mechanism includes a swing arm and an elastic member. The swing arm can swing from a first position to a second position under the action of a driving force. The elastic member is connected to the swing arm. The elastic member can be elastically deformed as the swing arm swings to provide an elastic restoring force for the swing arm to return from the second position to the first position. Such a flexible swing opening and closing mechanism has effective flexible buffering when opening or closing, strong impact resistance, good stability, and high reliability. In addition, no driving force needs to be provided during the closing process, and the swing arm can directly use the elastic restoring force to return the swing arm.

[0005] In some optional embodiments, the first end of the elastic member is fixedly connected to the swing arm, and the second end of the elastic member is statically fixed, so that the elastic member can undergo elastic deformation as the swing arm swings.

[0006] In some optional embodiments, the swing opening and closing mechanism is characterized in that it also includes: a driving rod, which can rotate under the action of the driving force; the swing arm is fixed to the driving rod, and the swing arm can swing from the first position to the second position as the driving rod rotates.

[0007] In some optional embodiments, the swing arm includes an upper arm and a lower arm, the first end of the upper arm is fixed to the driving rod, and the second end of the upper arm is connected to the lower arm, for driving the lower arm to swing under the rotation of the driving rod.

[0008] In some optional embodiments, an upper arm bushing is provided at the first end of the upper arm, and the upper arm bushing is used to sleeve the upper arm on the driving rod; the upper arm bushing includes a first wall and a second wall spaced apart from each other, and a first limit block is provided between the first wall and the second wall to limit the axial displacement of the upper arm along the driving rod.

[0009] In some optional embodiments, the elastic member is sleeved on the driving rod, and the elastic member can be elastically deformed along the circumference of the driving rod as the swing arm swings.

[0010] In some optional embodiments, the swing opening and closing mechanism further includes:

[0011] A limit assembly is sleeved on the driving rod, and is used to limit the axial displacement of the elastic member and the swing arm.

[0012] In some optional embodiments, the limit assembly includes: a second limit block and / or a third limit block fixed to the driving rod, the second limit block is arranged on the axial outer side of the elastic member along the driving rod, and the third limit block is arranged on the axial outer side of the swing arm along the driving rod.

[0013] The utility model provides a vehicle spoiler device, comprising a spoiler and a swing opening and closing mechanism, wherein the spoiler is connected to a swing arm of the swing opening and closing mechanism.

[0014] In some optional embodiments, a vehicle spoiler device further includes a driving device, wherein the driving device is connected to the driving rod of the swing opening and closing mechanism to provide the driving force.

[0015] In some optional embodiments, a vehicle spoiler device is characterized in that it also includes a connecting rod assembly, a first end of the connecting rod assembly is connected to the driving device, and a second end of the connecting rod assembly is connected to the driving rod.

[0016] In some optional embodiments, the connecting rod assembly includes: a power output rod, a first connecting rod, a second connecting rod, a first rocker, and a second rocker; the first end of the power output rod is connected to the driving device for outputting driving force;

[0017] The first end of the first connecting rod is connected to the first rocking rod, and the second end of the first connecting rod is connected to the second rocking rod;

[0018] The first end of the second connecting rod is connected to the second rocker, and the second end of the second connecting rod is connected to the driving rod, so as to transmit the driving force from the second connecting rod to the driving rod through the rotation of the second connecting rod.

[0019] In some optional embodiments, a first through hole is provided at the first end of the first connecting rod and the second end of the first connecting rod, and a second through hole is provided on the first rocker arm and the second rocker arm; the connecting rod mechanism also includes: a joint bearing, and the joint bearing is provided with a third through hole; the first through hole, the second through hole and the third through hole can be penetrated to install a fixing pin, and the first connecting rod is connected with the first rocker arm and the second rocker arm through the joint bearing.

[0020] In some optional embodiments, the first connecting rod is provided with a metal inner rod and an outer covering.

[0021] The utility model also proposes a vehicle, including the swinging opening and closing mechanism, or including the vehicle spoiler device. When the vehicle of the utility model embodiment is driving at high speed or turning, a flexible, swingable spoiler device is arranged at the bottom of the rear bumper of the vehicle, thereby improving the air flow efficiency at the bottom of the vehicle, so that the airflow around the spoiler generates pressure to press down the vehicle, and the grip of the tire is improved to ensure the stability of operation. Such a spoiler device has a flexible swinging opening and closing movement, and has a flexible buffer when the spoiler blade is opened or closed, has good stability and high reliability, and effectively solves the problem that the spoiler is easy to impact with the rear bumper and other body parts when it is closed, thereby generating noise or causing damage to parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the background technology, the drawings required for use in the embodiments of the present application or the background technology will be described below.

[0023] Figure 1 Schematic diagram of the swing opening and closing mechanism provided in the embodiment of the present application;

[0024] Figure 2 A cross-sectional schematic diagram of a swing arm in a second position provided in an embodiment of the present application;

[0025] Figure 3 Schematic diagram of the spoiler device in the open state provided by the embodiment of the present application;

[0026] Figure 4 A schematic diagram of the structure of the spoiler device provided in an embodiment of the present application;

[0027] Figure 5 Explosion diagram of the connecting rod assembly provided in the embodiment of the present application

[0028] Figure 6 A schematic diagram of a first connecting rod provided in an embodiment of the present application;

[0029] Description of reference numerals:

[0030] Swing opening and closing mechanism, 11-driving rod, 12-elastic member, 13-swing arm, 131-upper arm, 132-lower arm, 133-upper arm bushing, 14-first limit block, 15-elastic cylindrical pin;

[0031] Connecting rod assembly, 21-power output rod, 22-first connecting rod, 23-second connecting rod, 24-first rocker, 25-second rocker, 222-first hole, 223-second hole, 224-spherical bearing, 225-third hole; 226-fourth hole; 227-fifth hole; 228-fixing pin;

[0032] 3-spoiler blade; 4-driving member; 5-limiting assembly, 51-second limiting block, 52-third limiting block. DETAILED DESCRIPTION

[0033] The following describes the embodiments of the present invention with reference to the accompanying drawings, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0034] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0035] like Figure 1-Figure 2 As shown, the utility model provides a swing opening and closing mechanism 1, including an elastic member 12 and a swing arm 13. The swing arm 13 can swing from a first position to a second position under the action of a driving force. The elastic member 12 is connected to the swing arm 13. The elastic member 12 can be elastically deformed as the swing arm 13 swings, so as to provide an elastic restoring force for the swing arm to return from the second position to the first position. In the embodiment of the present application, the structure in which the swing arm is connected to the elastic member can realize flexible swinging during the swing opening and closing process, so that the swinging is smoother, more stable, less impactful and less noisy, and the flexible swing opening and closing mechanism effectively prevents users from being pinched during use.

[0036] In some optional embodiments, the first end of the elastic member 12 is fixedly connected to the swing arm 13, and the second end of the elastic member 12 is statically fixed, so that the elastic member 12 can be elastically deformed with the swing of the swing arm 13. It can be understood that the upper swing arm 13 is suitable for being provided with a limiting structure to fix the first end of the elastic member 12 to abut against the swing arm 13, and the second end of the elastic member 12 is suitable for static fixation. The first end of the elastic member 12 and the second end of the elastic member 12 can preferably be L-shaped or S-shaped, and the opening directions of the two ends are opposite, so that the elastic member 12 can be elastically deformed during the movement of the swing arm 13 driven by the driving rod 11.

[0037] In some optional embodiments, the swing opening and closing mechanism 1 further includes: a driving rod 11, the driving rod 11 can rotate under the action of a driving force, and a swing arm 13 is fixed to the driving rod 11, and the swing arm 13 can swing from the first position to the second position as the driving rod 11 rotates. It can be understood that the driving rod 11 transmits the driving force to the swing arm 13, and the swing arm 13 can move from the first position to the second position under the drive force transmitted by the driving rod 11.

[0038] In some optional embodiments, the swing arm 13 includes an upper arm 131 and a lower arm 132, the first end of the upper arm 13 is fixed to the driving rod 11, and the second end of the upper arm 13 is connected to the lower arm 132, and is used to drive the lower arm 132 to swing under the rotation of the driving rod 11. In the utility model, the second end of the upper arm 131 is provided with a through hole, and the upper end of the lower arm 132 is provided with a through hole. The through hole provided at the second end of the upper arm 131 and the through hole provided at the lower arm 132 can be connected, and fasteners are provided to connect them, so that the upper arm 131 can achieve flexible swinging, thereby driving the lower arm 132 to flexibly swing.

[0039] In some optional embodiments, the first end of the upper arm 131 is provided with an upper arm sleeve 133, and the upper arm sleeve 133 is used to sleeve the upper arm 131 on the driving rod 11; the upper arm sleeve 133 includes a first wall and a second wall spaced apart, and a first stop block 14 is provided between the first wall and the second wall to limit the axial displacement of the upper arm 131 along the driving rod 11. It can be understood that the upper arm 131 is connected to the driving rod 11, and the upper arm sleeve 133 is fixed to the driving rod 11 by the stop block 14 and the elastic cylindrical pin 15. The upper arm sleeve 133 and the first stop block 14 are interference fit, so that during the circumferential rotation of the driving rod 11, the upper arm sleeve 133 will not make circumferential movement, and the first stop block 14 cooperates with the elastic cylindrical pin 15 to push the swing arm 13 to swing.

[0040] In some optional embodiments, the elastic member 12 is sleeved on the driving rod 11, and the elastic member 12 can be elastically deformed along the circumference of the driving rod 11 as the swing arm 13 swings. It can be understood that the elastic member 12 is elastically deformed under force, and the elastic member 12 is compressed at this time. When the elastic member 12 recovers the elastic deformation, the elastic member 12 changes from a contracted state to an extended state.

[0041] In some optional embodiments, the swing opening and closing mechanism further includes a limit assembly 5 , which is sleeved on the driving rod 11 , and is used to limit the axial displacement of the elastic member 12 and the swing arm 13 .

[0042] In some optional embodiments, the limit assembly 5 includes: a second limit block 51 and / or a third limit block 52 fixed to the driving rod 11, the second limit block 51 is arranged on the axial outer side of the elastic member 12 along the driving rod 11, and the third limit block 52 is arranged on the axial outer side of the swing arm 13 along the driving rod 11. Optionally, the limit assembly 5 can be arranged on the axial outer side of one or more swing arms 13 to limit the axial stability of the swing opening and closing mechanism 1 on the driving rod 11; the limit assembly 5 is passed through and fixed on the driving rod 11, and in order to ensure the stability of the entire swing opening and closing mechanism 1, the limit assembly 5 is also suitable for fixed connection with a stationary object. It can be understood that the number of limit assemblies 5 is proportional to the number of swing arms 13 provided.

[0043] The utility model also proposes a vehicle spoiler device, which includes a spoiler 3 and the above-mentioned swing opening and closing mechanism 1, and the spoiler 3 is connected to the swing arm 13 of the swing opening and closing mechanism 1. It can be understood that the spoiler 3 is connected to the swing arm 13 of the swing opening and closing mechanism 1, and the spoiler blade 3 can be opened or closed under the drive of the swing opening and closing mechanism 1. When the spoiler blade 3 is opened to the maximum angle, the swing arm 13 is in a straight state, at which time the upper arm 131 and the lower arm 132 are parallel to form a vertical "I"-shaped connection; when the spoiler blade 3 is in a closed state, the swing arm 13 is in a retracted state, at which time the upper arm 131 and the lower arm 132 are in a folded state.

[0044] In the present invention, the swing arm 13 is suitable for connecting with the connecting seat provided in the middle of the spoiler blade 3. A spoiler blade hinge is provided at one side of the bottom of the spoiler blade 3 and connected with a stationary part through a fastener. The stationary part may be a spoiler device base or a vehicle body part. The vehicle body part may be a rear bumper, etc. In addition, the hinge of the spoiler blade 3 may preferably be a flexible hinge.

[0045] It can be understood that the swing opening and closing mechanism 1 is provided with an elastic member 12 connected to the swing arm 13. In the process of the swing arm 13 swinging from the first position to the second position, the swing arm 13 drives the elastic member 12 to undergo elastic deformation, and the swing arm can swing flexibly, driving the spoiler blade 3 to be stably and flexibly opened. The elastic member 12 drives the swing arm 13 to be elastically retracted in the process of restoring the elastic deformation, thereby driving the spoiler blade 3 to be flexibly closed. The flexible opening and closing of the spoiler blade 3 is conducive to protecting the rear bumper and other body parts from impact, and has high safety and good stability. In the utility model, the spoiler blade has a larger opening angle, and different opening angles and gears can be set according to different operating states and performance requirements of the vehicle, providing different spoiler effects for the vehicle, with a wider range of applications and higher flexibility.

[0046] A vehicle spoiler in the utility model further includes a driving device 4, which is connected to the driving rod 11 of the swing opening and closing mechanism 1 to provide the above-mentioned driving force. It can be understood that the driving device 4 can be a motor, which outputs power after current input.

[0047] like Figure 4 A vehicle spoiler device proposed in the utility model also includes a connecting rod assembly 2, a first end of the connecting rod assembly 2 is connected to the driving device 4, and a second end of the connecting rod assembly 2 is connected to the driving rod 11. It can be understood that the driving device 4 can transmit the torque to the connecting rod assembly 2 through the motor power output rod 21, the movement of the connecting rod assembly 2 can drive the driving rod 11 to rotate, and the rotation of the driving rod 11 drives the swing arm 13 to straighten or retract, and the spoiler blade 3 moves under the joint action of the hinge movement on one side of the bottom of the spoiler blade 3.

[0048] In some optional embodiments, the connecting rod assembly 2 includes: a power output rod 21, a first connecting rod 22, a second connecting rod 23, a first rocker arm 24, and a second rocker arm 25. The first end of the power output rod 21 is connected to the driving device 4 for outputting driving force; the first end of the first connecting rod 22 is connected to the first rocker arm 24, and the second end of the first connecting rod 22 is connected to the second rocker arm 25; the first end of the second connecting rod 23 is connected to the second rocker arm 25, and the second end of the second connecting rod 23 is connected to the driving rod 11, which is used to transfer the driving force from the second connecting rod 23 to the driving rod 11 through the rotation of the second connecting rod 23; the overall structure of the connecting rod assembly in the utility model has higher safety and stability, the connecting rod mechanism can obtain a more favorable transmission angle, the required motor output torque is smaller, the motor selection range is wider, and the cost is lower.

[0049] like Figure 5-6 In some optional embodiments, a first through hole 222 is provided on the first end of the first connecting rod 21 and the second end of the first connecting rod 21, and a second through hole 223 is provided on the first rocker 24 and the second rocker 25;

[0050] The connecting rod assembly 2 also includes: a joint bearing 224, which is provided with a third through hole 225; the first through hole 222, the second through hole 223 and the third through hole 225 can be penetrated to install a fixing pin 228, and the first connecting rod 21 is connected with the first rocker 24 and the second rocker 25 through the joint bearing 224.

[0051] In the present application, a long cylindrical metal skeleton is embedded in the middle of the first connecting rod 21 by insert injection molding and other processes, and joint bearings 224 are embedded at both ends. Joint bearings have the advantages of strong bearing capacity, good impact resistance, and the ability to swing at any angle. By setting the Y-direction width of the joint bearing to be greater than the width of the connecting rod, it is ensured that when the connecting rod is assembled, even if the crank and the remote rod are not strictly parallel to the XZ plane, the fastener can be assembled in the Y direction. At the same time, the connecting rod does not need to be strictly parallel to the XZ plane. This design reduces tolerances and facilitates installation and disassembly; the design of the first connecting rod 21 enhances rolling friction durability, meets lightweight, increases service life, reduces costs, reduces tolerances, and facilitates installation and disassembly.

[0052] In the present invention, the first rocker 24 is smaller than the second rocker 25 to amplify the swing amplitude of the second remote lever 25. The first rocker 24 is provided with a fourth hole 226 to be connected with the power output rod 21, and the fourth hole is preferably a waist-shaped through hole; the second remote sensor 25 is provided with a fifth hole 227 to be passed through the second connecting rod 23. The connecting rod structure in the present application is compact and high in strength, which can maximize the swing angle and durability stability.

[0053] In some optional embodiments, the first connecting rod 21 is provided with a metal inner rod 221 and an outer covering.

[0054] In this solution, a long cylindrical metal frame is embedded in the middle of the first connecting rod 21 through insert injection molding and other processes, and joint bearings 224 are embedded at both ends. The outer injection molding coating is made of a material with high strength and good elasticity to ensure the strength of the connecting rod while avoiding rigid friction and brittle cracking.

[0055] The combination mode of the driving member 4, the connecting rod assembly 2, and the swing opening and closing mechanism 1 in the present application has a complex motion structure, but is compact and has high strength, and the safety and stability of the overall structure are also higher.

[0056] The utility model also proposes a vehicle, including the above-mentioned swing opening and closing mechanism 1, and or a vehicle spoiler device mentioned in the utility model. In this scheme, a vehicle spoiler device is installed at the bottom of the rear of the vehicle, which includes a spoiler device base fixed relative to the vehicle body, a driving member 4 (motor) fixed on the base, a motor output shaft driven by the motor, and a planar connecting rod assembly 2 driven by the motor output shaft, one end of the remote rod in the connecting rod assembly 2 is fixedly connected to the driving shaft by a riveting or welding process, and the driving rod 11 perpendicular to the connecting rod mechanism is driven by the swing of the connecting rod mechanism 2. The driving rod 11 is connected to the upper end of the base through a fixed seat plate. The driving rod 11 transmits the driving force from the connected connecting rod assembly 2 to the connected swing arm 13, and the swing arm 13 is driven to straighten or retract by the rotation of the driving rod 11. A connecting seat is provided in the middle position of the spoiler blade 3 and is connected to the lower swing arm. A flexible hinge can be preferably provided on one side of the bottom and connected to the vehicle body component through a fastener. It can be understood that the present solution provides a spoiler device that can realize free switching between low wind resistance and high downforce, determines the opening and closing angle according to the heat dissipation requirements, temperature and vehicle speed of the whole vehicle, can be freely retracted and extended, and can meet the requirements of different driving conditions. Vehicles equipped with the above spoiler device have less vibration, less noise and smooth operation when driving at high speed, which can greatly improve the driving experience of drivers and passengers.

[0057] like Figure 3It is a partial appearance schematic diagram of the spoiler blade 3 of the active diffuser in the open position when the spoiler device is assembled with the lower body of the rear bumper; except for the spoiler blade 3, other spoilers are located on the inner side of the lower body of the rear bumper. When the spoiler blade 3 is in the open position, only the spoiler blade 3 and the lower arm can be seen from the appearance of the vehicle; when the spoiler blade 3 is in the retracted position, the outer side of the spoiler blade 3 and the lower body of the rear bumper form a smooth curved surface together, constituting a part of the surface of the rear bumper of the car, so as to improve the overall appearance of the structure.

[0058] The present application relates to a spoiler and a vehicle including the spoiler, including a spoiler base, wherein the spoiler base is fixedly connected to the vehicle and serves as the installation body of the entire spoiler assembly, a swing opening and closing mechanism 1, a connecting rod assembly 2, a driving rod 11, and a swing arm 13 together constitute a spoiler motion structure, and the above automobile spoiler with a new motion structure can realize free switching between low wind resistance and large downforce, and the opening and closing angle is determined according to the heat dissipation requirements, temperature and vehicle speed of the whole vehicle, and it can be freely retracted and released to meet the requirements of different driving conditions. The spoiler in the present application also has high-efficiency installation and disassembly and overall aesthetics. The spoiler includes a spoiler mounting base, which is fixedly connected to the vehicle and serves as the installation body of the entire spoiler, and the connection is stable and convenient for disassembly and installation.

[0059] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not intended to limit the implementation methods of the utility model. For ordinary technicians in the relevant field, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the utility model. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the utility model should be included in the scope of protection of the claims of the utility model. It should also be noted that for the convenience of description, only the parts related to the utility model rather than the entire structure are shown in the drawings.

[0060] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0061] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0062] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0063] In the description of the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0064] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0065] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A swing opening and closing mechanism, characterized in that: include: A swing arm, wherein the swing arm can swing from a first position to a second position under the action of a driving force; An elastic member is connected to the swing arm, and the elastic member can be elastically deformed as the swing arm swings, so as to provide an elastic restoring force for the swing arm to return from the second position to the first position.

2. The swing opening and closing mechanism according to claim 1, characterized in that: The first end of the elastic member is fixedly connected to the swing arm, and the second end of the elastic member is statically fixed, so that the elastic member can be elastically deformed as the swing arm swings.

3. The swing opening and closing mechanism according to claim 1, characterized in that: Also includes: a driving rod, the driving rod being rotatable under the action of the driving force; The swing arm is fixed to the driving rod, and the swing arm can swing from a first position to a second position as the driving rod rotates.

4. The swing opening and closing mechanism according to claim 3, characterized in that: The swing arm comprises an upper arm and a lower arm, The first end of the upper arm is fixed to the driving rod, and the second end of the upper arm is connected to the lower arm, so as to drive the lower arm to swing under the rotation of the driving rod.

5. The swing opening and closing mechanism according to claim 4, characterized in that: An upper arm sleeve is disposed at the first end of the upper arm, and the upper arm sleeve is used to sleeve the upper arm on the driving rod; The upper arm bushing includes a first wall and a second wall spaced apart from each other, and a first limiting block is disposed between the first wall and the second wall to limit the axial displacement of the upper arm along the driving rod.

6. The swing opening and closing mechanism according to claim 5, characterized in that: The elastic member is sleeved on the driving rod, and the elastic member can be elastically deformed along the circumferential direction of the driving rod as the swing arm swings.

7. The swing opening and closing mechanism according to claim 6, characterized in that: Also includes: A limit assembly is sleeved on the driving rod, and is used to limit the axial displacement of the elastic member and the swing arm.

8. The swing opening and closing mechanism according to claim 7, characterized in that: The limiting component comprises: A second limit block and / or a third limit block are fixed to the driving rod, wherein the second limit block is arranged on the axial outer side of the elastic member along the driving rod, and the third limit block is arranged on the axial outer side of the swing arm along the driving rod.

9. A vehicle spoiler, characterized in that: include: spoiler; And the swing opening and closing mechanism according to any one of claims 3 to 8, wherein the spoiler is connected to the swing arm of the swing opening and closing mechanism.

10. The vehicle spoiler device according to claim 9, characterized in that: Also includes: A driving device is connected to the driving rod of the swing opening and closing mechanism and is used to provide the driving force.

11. The vehicle spoiler according to claim 10, characterized in that: Also includes: A connecting rod assembly, wherein a first end of the connecting rod assembly is connected to the driving device, and a second end of the connecting rod assembly is connected to the driving rod.

12. A vehicle spoiler device as claimed in claim 11, characterized in that: The connecting rod assembly comprises: Power output rod, first connecting rod, second connecting rod, first rocker arm, second rocker arm, The first end of the power output rod is connected to the driving device for outputting driving force; The first end of the first connecting rod is connected to the first rocking arm, and the second end of the first connecting rod is connected to the second rocking arm; the first end of the second connecting rod is connected to the second rocking arm, and the second end of the second connecting rod is connected to the driving rod, so as to transfer the driving force from the second connecting rod to the driving rod through the rotation of the second connecting rod.

13. A vehicle spoiler as claimed in claim 12, characterized in that: A first through hole is provided on the first end of the first connecting rod and the second end of the first connecting rod, and a second through hole is provided on the first rocking arm and the second rocking arm; The connecting rod assembly further comprises: a spherical bearing, wherein the spherical bearing is provided with a third through hole; The first through hole, the second through hole and the third through hole can be connected to install a fixing pin, and the first connecting rod is connected with the first rocker arm and the second rocker arm through the joint bearing.

14. A vehicle spoiler as claimed in claim 12, characterized in that: The first connecting rod is provided with a metal inner rod and an outer covering member.

15. A vehicle, characterized in that: It comprises the swing opening and closing mechanism described in any one of claims 1 to 8, or comprises a vehicle spoiler device described in any one of claims 9 to 14.