CN115107431A - Suspension device and vehicle - Google Patents
Suspension device and vehicle Download PDFInfo
- Publication number
- CN115107431A CN115107431A CN202110298642.4A CN202110298642A CN115107431A CN 115107431 A CN115107431 A CN 115107431A CN 202110298642 A CN202110298642 A CN 202110298642A CN 115107431 A CN115107431 A CN 115107431A
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- China
- Prior art keywords
- sealing
- supporting arm
- assembly
- air bag
- end plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to the field of configuration of vehicle suspension devices, in particular to a suspension device and a vehicle. The suspension device comprises a first supporting arm, a second supporting arm, a pull rod, an adjusting structure and a control assembly, wherein two ends of the pull rod are respectively connected with the first supporting arm and the second supporting arm; the control assembly is connected with the adjusting structure and the vehicle controller and is used for controlling the rigidity of the adjusting structure according to the vehicle information transmitted by the vehicle controller. The utility model provides a suspension structure adjusts the rigidity of structure or reduces the rigidity of adjusting the structure through improving and in order to realize the matching of the best operating stability in different road surfaces and travelling comfort for suspension structure has the equal better advantage in high-speed flat road surface operating stability and low-speed pothole road surface travelling comfort.
Description
Technical Field
The invention relates to the technical field of vehicle suspension devices, in particular to a suspension device and a vehicle.
Background
In the technical field of vehicles, a torsion beam suspension is one of rear suspension devices of an automobile, and a balance rod is added on the torsion beam non-independent suspension to enable wheels to incline and keep the vehicle stable. The torsion beam type non-independent rear suspension has simple structure and light weight; when the whole vehicle is assembled, the rear wheel is not required to be positioned, and the assembling time is reduced; the occupied space is small, and a larger tail space is easy to obtain; the spring shock absorber system has the advantages of being convenient to match and arrange and the like, and is widely applied to rear suspension systems of small and medium-sized passenger vehicles. Torsion beam suspension among the prior art includes torsion beam, and in the chassis stage of educating, torsion beam will design into and compromise two kinds of operating modes on high-speed flat road surface and low-speed pothole road surface for high-speed flat road surface operating stability and low-speed pothole road surface travelling comfort are all relatively poor.
Disclosure of Invention
In view of the above, the present invention is directed to a suspension apparatus to solve or partially solve the problem of poor operation stability of a conventional torsion beam suspension on a flat road at high speed and poor comfort on a rough road at low speed.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a suspension device comprises a first supporting arm, a second supporting arm, a pull rod, an adjusting structure and a control assembly, wherein two ends of the pull rod are respectively connected with the first supporting arm and the second supporting arm;
the control assembly is connected with the adjusting structure and the vehicle controller and is used for controlling the rigidity of the adjusting structure according to the vehicle information transmitted by the vehicle controller.
Furthermore, the adjusting structure comprises an installation channel, the installation channel is located in the middle of the adjusting structure, and the pull rod penetrates through the installation channel.
Further, the adjusting structure comprises an air bag assembly, the air bag assembly is of a cylindrical structure, and the middle of the air bag assembly comprises the mounting channel.
Furthermore, the adjusting structure further comprises a sealing assembly, one end of the air bag assembly is connected with the first support arm in a sealing mode through the sealing assembly, and the other end of the air bag assembly is connected with the second support arm in a sealing mode through the sealing assembly.
Further, the seal assembly comprises a seal ring and two seal end plates;
the two sealing end plates are respectively connected with the first supporting arm and the second supporting arm and comprise end plate mounting holes, and two ends of the pull rod respectively penetrate through the two end plate mounting holes to be connected with the first supporting arm and the second supporting arm;
the sealing ring cover is established gasbag subassembly's outside, the sealing ring with sealed end plate fixed connection, gasbag subassembly with the part that the sealing ring is connected is used for sealing the sealing ring with clearance between the sealed end plate.
Furthermore, the sealing end plate is of a U-shaped structure, and the sealing end plate is fixedly connected with the first supporting arm and the second supporting arm respectively.
Further, the control assembly comprises a gas pressure sensor, a gas control member and a control unit;
the air pressure sensor is used for measuring air pressure in the air bag assembly;
the gas control member is communicated with the air bag assembly and is used for inflating the air bag assembly or deflating the air bag assembly;
the control unit is connected with the air pressure sensor, the air control element and the vehicle controller and is used for controlling the action of the air control element according to the air pressure measured by the air pressure sensor and the vehicle information.
Further, the control assembly further comprises a warning unit, the warning unit is connected with the air pressure sensor, and the warning unit is used for prompting the air pressure in the air bag assembly.
Further, the vehicle information includes road conditions and a vehicle speed.
Compared with the prior art, the suspension device has the following advantages:
according to the suspension device, the two ends of the pull rod and the two ends of the adjusting structure are respectively connected with the first supporting arm and the second supporting arm, the structure formed by connecting the pull rod, the adjusting structure and the first supporting arm and the second supporting arm is equivalent to a torsion beam of the suspension structure, and the control assembly can control the rigidity of the adjusting structure according to vehicle information transmitted by a vehicle controller, so that the rigidity of the adjusting structure can be improved on a high-speed flat road surface, namely the torsional rigidity of the torsion beam is improved, and the operation stability is improved; the rigidity of the adjusting structure is reduced on a low-speed low-lying road surface, namely the torsional rigidity of the torsion beam is reduced, and the comfort is improved. The utility model provides a suspension structure can realize the matching of the best operating stability in different road surfaces and travelling comfort for suspension structure has the equal better advantage in high-speed flat road surface operating stability and the low-speed pothole road surface travelling comfort.
Another object of the present invention is to provide a vehicle to solve or partially solve the problems of poor operation stability of a torsion beam suspension of an existing vehicle on a high-speed flat road and poor comfort of a low-speed pothole road.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a vehicle includes the above suspension apparatus.
The vehicle and the suspension device have the same advantages compared with the prior art, and the detailed description is omitted.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation of the invention. In the drawings:
fig. 1 is a partial structural view of a suspension device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an exploded view of the suspension assembly of FIG. 1;
FIG. 3 is a schematic view of the seal end plate, seal ring and bladder assembly junction of FIG. 2;
FIG. 4 is a schematic illustration of a cross-sectional view of the section taken through the midline of the airbag module in FIG. 3;
FIG. 5 is a schematic structural view of the joint of the seal end plate, the seal ring and the air pressure sensor in FIG. 2;
FIG. 6 is a schematic view of the construction of an airbag module according to an embodiment of the present invention;
FIG. 7 is a schematic view of a cross-sectional view taken perpendicular to the centerline of the airbag module;
FIG. 8 is a schematic structural view of a seal ring according to an embodiment of the present invention;
FIG. 9 is a schematic representation of a cross-sectional view through the seal ring axis of the cross-section of FIG. 8;
description of reference numerals:
1-a first bracket arm; 2-a second bracket arm; 3-a pull rod; 41-an airbag module; 411-rubber bladder; 412-steel plate; 413-a mounting portion; 414-installation channel; 42-a sealing ring; 421-sealing ring through hole; 422-sealing ring mounting holes; 423-annular groove; 43-sealing the end plate; 431-end plate mounting hole; 432-end plate through hole; 44-a fastener; 51-a valve; 52-a barometric pressure sensor; 54-a control unit; 55-warning unit.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In addition, the front and rear mentioned in the embodiment of the present invention refer to the front and rear with respect to the forward direction of the vehicle.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The embodiment of the application provides a suspension device, and referring to fig. 1 and 2, the suspension device comprises a first bracket arm 1, a second bracket arm 2, a pull rod 3, an adjusting structure and a control assembly, wherein two ends of the pull rod 3 are respectively connected with the first bracket arm 1 and the second bracket arm 2, and two ends of the adjusting structure are respectively connected with the first bracket arm 1 and the second bracket arm 2; the control assembly is connected with the adjusting structure and the vehicle controller and used for controlling the rigidity of the adjusting structure according to the vehicle information transmitted by the vehicle controller.
Specifically, in the embodiment of the present application, the first bracket arm 1 and the second bracket arm 2 are respectively close to the left and right sides of the vehicle, the first bracket arm 1 and the second bracket arm 2 are used for connecting a wheel and a shock absorber assembly, two ends of the pull rod 3 are respectively connected with the first bracket arm 1 and the second bracket arm 2, and the pull rod 3 is a rod-shaped member playing a role in traction and connection.
In an alternative embodiment, the pull rod 3 is made of a straight rod with a diameter of 16mm, and the material of the pull rod 3 can be 20-gauge steel.
The vehicle controller is an electronic control unit. In practical use, the vehicle controller may be other structures capable of transmitting vehicle information to the control assembly.
In the suspension structure in the embodiment of the application, two ends of the pull rod 3 and two ends of the adjusting structure are respectively connected with the first supporting arm 1 and the second supporting arm 2, and the structure formed by connecting the pull rod 3, the adjusting structure and the first supporting arm 1 and the second supporting arm 2 is equivalent to a torsion beam of the suspension structure; the rigidity of the adjusting structure is reduced on a low-speed low-lying road surface, namely the torsional rigidity of the torsion beam is reduced, and the comfort is improved. The application discloses a suspension structure can realize the matching of different road surface best operating stability and travelling comfort for the suspension structure has the equal better advantage of high-speed flat road surface operating stability and low-speed pothole road surface travelling comfort.
In an alternative embodiment, the first bracket arm 1 and the second bracket arm 2 are welded together by a bearing support, a bracket arm upper and lower pipe, a spring tray and a damper support, and the first bracket arm 1 and the second bracket arm 2 are both made of high-strength steel plates 412. Wherein, the spring tray is used for fixed coil spring, and the shock absorber support is used for connecting the shock absorber assembly.
In one embodiment, the adjustment structure includes a mounting channel 414, the mounting channel 414 is located in the middle of the adjustment structure, and the pull rod 3 extends through the mounting channel 414.
The pull rod 3 penetrates through the installation channel 414, and the installation channel 414 is located in the middle of the adjusting structure, that is, the pull rod 3 is located in the middle of the adjusting structure, so that when the vehicle moves and the rigidity of the adjusting structure is increased or decreased, the pull rod 3, the adjusting structure, the first bracket arm 1 and the second bracket arm 2 are stressed relatively uniformly.
Referring to fig. 1, 2, 4 and 6, in an embodiment, the adjusting structure includes an airbag module 41, the airbag module 41 is a cylindrical structure, and a middle portion of the airbag module 41 includes the mounting passage 414.
Specifically, when a gas can be stored in the airbag module 41 and the airbag module 41 is inflated with gas, the rigidity of the airbag module 41 increases, the gas in the airbag module 41 is released, and the rigidity of the airbag module 41 decreases. The airbag module 41 and the gas have relatively light mass, and the weight reduction index can be improved.
Referring to fig. 6 and 7, in an alternative embodiment, bladder assembly 41 includes a rubber bladder 411, a steel plate 412, and compressed air enclosed within rubber bladder 411. The inner layer of the rubber air bag 411 is made of airtight rubber materials, the outer layer of the rubber air bag 411 is made of oil-resistant rubber materials, the steel plates 412 comprise 3 steel plates, the 3 steel plates 412 are evenly distributed on the inner wall of the rubber air bag 411 around the center line of the rubber air bag 411, and the steel plates 412 and the rubber air bag 411 are integrally manufactured in a vulcanization mode.
In an embodiment, the adjusting structure further comprises a sealing assembly, and one end of the airbag assembly 41 is connected with the first bracket arm 1 in a sealing manner through the sealing assembly, and the other end of the airbag assembly is connected with the second bracket arm 2 in a sealing manner through the sealing assembly.
The sealing assembly is used for sealing the connecting end of the air bag assembly 41 and the first bracket arm 1 and the connecting end of the air bag assembly 41 and the second bracket arm 2, and the sealing assembly can guarantee the sealing performance of the air bag assembly 41 and further guarantee the rigidity requirement of the adjusting structure.
Referring to fig. 1-4, in one embodiment, the seal assembly includes a seal ring 42 and two seal end plates 43; the two sealing end plates 43 are respectively connected with the first bracket arm 1 and the second bracket arm 2, each sealing end plate 43 comprises an end plate mounting hole 431, and two ends of the pull rod 3 respectively penetrate through the two end plate mounting holes 431 to be connected with the first bracket arm 1 and the second bracket arm 2; the sealing ring 42 is sleeved outside the airbag module 41, the sealing ring 42 is fixedly connected with the sealing end plate 43, and the part of the airbag module 41 connected with the sealing ring 42 is used for sealing the gap between the airbag module 41 and the sealing end plate 43.
The gap between the airbag module 41 and the seal end plate 43 is sealed by the portion where the airbag module 41 is connected to the seal ring 42, the structure is simple, and the airbag module 41 can be pressed by the compressed gas in the airbag module 41, that is, the self-sealing is achieved by the compressed air.
Referring to fig. 3 to 5, in an embodiment, the sealing end plate 43 has a U-shaped structure, and the sealing end plate 43 is fixedly connected to the first bracket arm 1 and the second bracket arm 2.
The sealing end plate 43 is of a U-shaped structure, the first supporting arm 1 is located in a U-shaped groove of the sealing end plate 43, the second supporting arm 2 is located in a U-shaped groove of the sealing end plate 43, and the sealing end plate 43 is fixedly connected with the first supporting arm 1 and the second supporting arm 2 stably and reliably. Of course, the sealing end plate 43 and the first bracket arm 1 and the second bracket arm 2 are further connected by welding, bolting, etc. to meet the requirements of connection strength and firmness.
In an alternative embodiment, the sealing end plate 43 may be made of steel, and the sealing end plate 43 includes a plurality of end plate through holes 432, and the end plate through holes 432 are used for connecting the sealing end plate 43 and the sealing ring 42. The number and diameter of the end plate through holes 432 can be determined according to the actual use requirement, for example, the number of the end plate through holes 432 can be set to 6, and the diameter of the end plate through holes 432 can be 10.2 mm.
Referring to fig. 3, 4, 8 and 9, in an embodiment, the sealing ring 42 is a boss-shaped structure, the sealing ring 42 includes a sealing ring mounting hole 422 and an annular groove 423, the sealing ring mounting hole 422 is located in the middle of the sealing ring 42, the airbag module 41 is disposed in the sealing ring mounting hole 422, and the axis of the sealing ring mounting hole 422 coincides with the axis of the sealing ring 42; the groove opening of the annular groove 423 faces the seal end plate 43, the side wall of the seal ring 42 is one groove wall of the annular groove 423, and the hole wall of the seal ring mounting hole 422 is bent to the inner side of the seal ring 42 to be the other groove wall of the annular groove 423. The sealing ring 42 is connected with the end of the airbag module 41, a part of the airbag module 41 is located in the annular groove 423, after the sealing ring 42 is fixedly connected with the sealing end plate 43, the airbag module 41 located in the annular groove 423 is compressed in a space surrounded by the annular groove 423 and the sealing end plate 43, and is subjected to the pressure of compressed air in the airbag module 41, so that the self-sealing of the airbag module 41 is realized.
Referring to FIG. 6, in one embodiment, the airbag module 41 includes an annular mounting portion 413 that is shrunk toward the inside of the airbag module 41, the mounting portion 413 is near the end of the airbag module 41, and the mounting portion 413 is connected to the wall of the sealing ring mounting hole 422.
In an alternative embodiment, the sealing ring 42 is made of aluminum or steel, the sealing ring 42 includes a plurality of sealing ring through holes 421, the number of the sealing ring through holes 421 is the same as the number of the end plate through holes 432, and the sealing end plate 43 and the sealing ring 42 are fixedly connected by using fasteners 44 to penetrate through the end plate through holes 432 and the sealing ring through holes 421.
The sealing ring through hole 421 may also be a threaded hole, and the fastening member 44 is a bolt, by which the sealing end plate 43 and the sealing ring 42 are fixedly connected. For example, in practical applications, 6 threaded holes are provided near the outer periphery of the seal ring 42, and the threaded holes can be fitted with M10 bolts to fixedly connect the seal end plate 43 and the seal ring 42 by 6M 10 bolts.
Referring to fig. 1 and 2, in one embodiment, the control assembly includes a gas pressure sensor 52, a gas control and a control unit 54; the air pressure sensor 52 is used for measuring the air pressure in the air bag assembly 41; the gas control member is in communication with the airbag module 41 for inflating the airbag module 41 or deflating the airbag module 41; the control unit 54 is connected to the air pressure sensor 52 and the gas control unit, and is configured to control the operation of the gas control unit according to the air pressure sensor 52 and the vehicle information.
By adopting the structure of the adjustable air bag assembly 41, the lightweight index of the vehicle can be improved, the torsional rigidity of the air bag assembly 41 is improved on a high-speed flat road surface, and the operation stability is improved; on a low-speed low-lying road surface, the torsional rigidity of the air bag assembly 41 is reduced, and the comfort is improved.
In one embodiment, the gas control member communicates with the airbag module 41 through a valve 51, and the valve 51 is used to control the connection or disconnection between the airbag module 41 and the gas control member.
The variety of the valve 51 is many, and the valve 51 meeting the use requirement is selected in practical use. The valve 51 is a conventional valve in practical use.
The air pressure sensor 52 is connected to the control unit 54 through a wire harness, and the air pressure sensor 52 meeting the use requirement may be selected in practical use. For example, conventional barometric pressure sensors are selected for barometric pressure sensor 52, and barometric pressure sensor 52 includes a varactor-type silicone capsule, a signal transmission wire bundle.
Referring to fig. 2 and 5, the sealing end plate 43 includes a sensor through hole, and the supply air pressure sensor 52 is communicated with the interior of the airbag module 41 through the sealing end plate 43.
Referring to fig. 1 and 2, in an embodiment, the control assembly further includes an alarm unit 55, the alarm unit 55 is connected to the air pressure sensor 52, and the alarm unit 55 is configured to indicate an air pressure value in the airbag assembly 41.
Specifically, the warning unit 55 may be integrated in the vehicle instrument, and plays a role in prompting when the air pressure is abnormal. When the warning unit 55 is integrated in the vehicle instrument, when the air pressure of the air bag module 41 is lowered to a set threshold value, a prompt indicating that the air pressure is abnormal is displayed on the warning unit 55, and when a user finds the prompt, the user controls the vehicle controller to output corresponding information to the control unit 54, and the control unit 54 controls the air control element to supplement air to the air bag module 41.
In another alternative embodiment, the liquid is filled into the airbag module 41, and when the hydraulic pressure in the airbag module 41 increases, the rigidity of the airbag module 41 is increased, and when the hydraulic pressure in the airbag module 41 decreases, the rigidity of the airbag module 41 is decreased.
In one embodiment, the vehicle information includes road conditions and vehicle speed.
The suspension device adjusts the rigidity of the airbag assembly 41 according to the road condition and the vehicle speed, so that the rigidity of the torsion beam is adjusted, and the advantages of good operation stability of a high-speed flat road surface and good comfort of a low-speed pothole road surface are achieved. The road condition includes the flatness of the road surface.
The suspension device described in the embodiment of the present application is a torsion beam suspension, which includes a torsion beam, and the torsion beam includes a first bracket arm 1, a second bracket arm 2, a pull rod 3, and an adjusting structure. The suspension device can improve the lightweight index; the torsional rigidity of the torsion beam can be improved on a high-speed flat road surface, and the operation stability is improved; on a low-speed low-lying road surface, the torsional rigidity of the torsion beam is reduced, and the comfort is improved; but also has the advantages of simple structure and small occupied arrangement.
The embodiment of the invention also provides a vehicle which specifically comprises the suspension device.
The suspension device is connected with the wheel and the shock absorber assembly and used for keeping the stability of the vehicle.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (10)
1. A suspension device is characterized by comprising a first supporting arm (1), a second supporting arm (2), a pull rod (3), an adjusting structure and a control assembly, wherein two ends of the pull rod (3) are respectively connected with the first supporting arm (1) and the second supporting arm (2), and two ends of the adjusting structure are respectively connected with the first supporting arm (1) and the second supporting arm (2);
the control assembly is connected with the adjusting structure and the vehicle controller and is used for controlling the rigidity of the adjusting structure according to the vehicle information transmitted by the vehicle controller.
2. The suspension device according to claim 1, characterized in that the adjustment structure comprises a mounting channel (414), the mounting channel (414) being located in the middle of the adjustment structure, the tie rod (3) extending through the mounting channel (414).
3. The suspension device according to claim 2 wherein the adjustment structure comprises an air bag module (41), the air bag module (41) being a cylindrical structure, a middle portion of the air bag module (41) comprising the mounting passage (414).
4. The suspension device according to claim 3, wherein the adjustment structure further comprises a sealing assembly, and one end of the air bag assembly (41) is connected with the first bracket arm (1) in a sealing way through the sealing assembly, and the other end of the air bag assembly is connected with the second bracket arm (2) in a sealing way through the sealing assembly.
5. Suspension arrangement according to claim 4, characterized in that the sealing assembly comprises a sealing ring (42) and two sealing end plates (43);
the two sealing end plates (43) are respectively connected with the first supporting arm (1) and the second supporting arm (2), each sealing end plate (43) comprises an end plate mounting hole (431), and two ends of the pull rod (3) respectively penetrate through the two end plate mounting holes (431) to be connected with the first supporting arm (1) and the second supporting arm (2);
sealing ring (42) cover is established the outside of gasbag subassembly (41), sealing ring (42) with sealed end plate (43) fixed connection, gasbag subassembly (41) with the part that sealing ring (42) are connected is used for sealing gasbag subassembly (41) with seal the clearance between end plate (43).
6. The suspension device according to claim 5, characterized in that the sealing end plate (43) is of a U-shaped structure, and the sealing end plate (43) is fixedly connected with the first bracket arm (1) and the second bracket arm (2) respectively.
7. The suspension device according to claim 3, wherein the control assembly comprises a gas pressure sensor (52), a gas control and a control unit (54);
the air pressure sensor (52) is used for measuring the air pressure in the air bag assembly (41);
the gas control member is communicated with the air bag module (41) and is used for inflating the air bag module (41) or deflating the air bag module (41);
the control unit (54) is connected with the air pressure sensor (52), the gas control element and the vehicle controller and is used for controlling the action of the gas control element according to the air pressure measured by the air pressure sensor (52) and the vehicle information.
8. The suspension device according to claim 7, wherein the control assembly further comprises a warning unit (55), the warning unit (55) is connected with the air pressure sensor (52), and the warning unit (55) is used for prompting the air pressure in the air bag assembly (41).
9. The suspension device according to claim 1 wherein the vehicle information includes road conditions and vehicle speed.
10. A vehicle characterized by comprising the suspension device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110298642.4A CN115107431A (en) | 2021-03-19 | 2021-03-19 | Suspension device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110298642.4A CN115107431A (en) | 2021-03-19 | 2021-03-19 | Suspension device and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115107431A true CN115107431A (en) | 2022-09-27 |
Family
ID=83323700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110298642.4A Pending CN115107431A (en) | 2021-03-19 | 2021-03-19 | Suspension device and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115107431A (en) |
-
2021
- 2021-03-19 CN CN202110298642.4A patent/CN115107431A/en active Pending
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