CN215552394U - Suspension device and vehicle - Google Patents
Suspension device and vehicle Download PDFInfo
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- CN215552394U CN215552394U CN202120818736.5U CN202120818736U CN215552394U CN 215552394 U CN215552394 U CN 215552394U CN 202120818736 U CN202120818736 U CN 202120818736U CN 215552394 U CN215552394 U CN 215552394U
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- spring
- lock pin
- control arm
- sliding rod
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Abstract
The application discloses a suspension device and a vehicle, which comprise a control arm, a spring mounting part positioned above the control arm and a spring group connected between the control arm and the spring mounting part; the spring group comprises a first spring and a second spring positioned in the first spring; the upper end of the first spring is connected with the spring mounting part, and the lower end of the first spring is connected with the control arm; the upper end of the second spring is connected with the spring mounting portion, and the lower end of the second spring faces the control arm. The application discloses suspension device and vehicle, when the vehicle underloaded, second spring and control arm separation inoperative, only first spring plays a role, satisfies the travelling comfort of taking, and when the vehicle heavy load, the second spring plays a role with the control arm contact, and first spring and second spring all play a role, have improved the rigidity of spring assembly, realize better supporting role, have promoted the operating stability and the trafficability characteristic of vehicle.
Description
Technical Field
The application relates to the technical field of automotive suspensions, in particular to a suspension device and a vehicle.
Background
The suspension of the vehicle generally adopts a spiral spring, and the spring stiffness is expected to be low when the suspension is in an idle load or on a relatively flat road surface so as to be beneficial to the elastic buffering of the spring to impact vibration and improve the riding comfort.
In the prior art, the stiffness of the coil spring of the vehicle suspension is constant, that is, the spring stiffness is constant, and the performance of the coil spring is still to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a defect among the prior art is overcome to aim at of this application, provides a suspension device and vehicle, and when the vehicle underloaded, first spring in the spring assembly plays, satisfies the travelling comfort of taking, and when the vehicle heavily loaded, first spring and second spring in the spring assembly all play, have improved the rigidity of spring, realize better supporting role, have promoted the operating stability and the trafficability characteristic of vehicle.
The technical scheme of the application provides a suspension device, which comprises a control arm, a spring mounting part and a spring group, wherein the spring mounting part is positioned above the control arm, and the spring group is connected between the control arm and the spring mounting part;
the spring group comprises a first spring and a second spring positioned in the first spring;
the upper end of the first spring is connected with the spring mounting part, and the lower end of the first spring is connected with the control arm;
the upper end of the second spring is connected with the spring mounting part, and the lower end of the second spring faces the control arm;
the second spring has a first state and a second state and is switchable between the first state and the second state;
when the second spring is in the first state, the lower end of the second spring is separated from the control arm;
when the second spring is in the second state, a lower end of the second spring is in contact with the control arm.
In an alternative embodiment, the spring mounting portion includes a mounting plate and a sliding rod slidably connected to the mounting plate;
a sliding rod driving mechanism for driving the sliding rod to slide up and down is arranged on the spring mounting part;
the mounting plate is provided with a mounting plate through hole, the sliding rod penetrates through the mounting plate through hole, and the sliding rod is in clearance fit with the mounting plate through hole;
the upper end of the first spring is connected with the mounting plate, and the upper end of the second spring is connected with the sliding rod.
In one optional technical scheme, a vertically extending guide groove is formed in the through hole of the mounting plate, a vertically extending guide convex rib is formed on the sliding rod, and the guide convex rib is in clearance fit in the guide groove.
In one optional technical scheme, the sliding rod driving mechanism comprises a driving motor and a driving gear arranged on an output shaft of the driving motor;
the sliding rod is provided with a vertically extending sliding rod rack, and the driving gear is meshed with the sliding rod rack.
In one optional technical scheme, the mounting plate is provided with a mounting frame, and the mounting frame is provided with a mounting frame through hole which is coaxially arranged with the mounting plate through hole;
the sliding rod penetrates through the mounting frame through hole, and the sliding rod is in clearance fit with the mounting frame through hole.
In an optional technical scheme, a locking mechanism for locking the sliding rod is mounted on the mounting frame.
In one optional technical scheme, a plurality of sliding rod limiting grooves are formed in the sliding rod at intervals along the vertical direction;
the locking mechanism comprises a lock pin and a lock pin driving mechanism for driving the lock pin to stretch and retract;
the mounting bracket is provided with a mounting bracket guide groove extending towards the mounting bracket through hole;
the lock pin is slidably arranged in the mounting rack guide groove, and the output end of the lock pin driving mechanism is connected with the lock pin;
the locking pin has an extended state and a retracted state;
when the lock pin is in the extending state, the lock pin is at least partially inserted into one of the slide rod limiting grooves;
when the lock pin is in the retracted state, the lock pin is separated from the slide bar limiting groove.
In an alternative solution, an elastic member for driving the lock pin to extend is installed in the mounting bracket guide groove.
In one optional technical scheme, the suspension device further comprises a control mechanism;
the sliding rod driving mechanism and the lock pin driving mechanism are respectively connected with the control mechanism.
The technical scheme of this application still provides a vehicle, includes the suspension device of any preceding technical scheme.
By adopting the technical scheme, the method has the following beneficial effects:
the application provides a suspension device and vehicle, when the vehicle underloaded, second spring and control arm separation inoperative, only first spring plays a role, satisfies the travelling comfort of taking, and when the vehicle heavily loaded, the second spring played a role with the control arm contact, and first spring and second spring all played, have improved the rigidity of spring assembly, realize better supporting role, have promoted the operating stability and the trafficability characteristic of vehicle.
Drawings
Fig. 1 is a perspective view of a suspension device according to an embodiment of the present application in a first state;
fig. 2 is a perspective view of a suspension device according to an embodiment of the present application in a second state;
FIG. 3 is a schematic diagram of a control arm having a first control arm recess and a second control arm recess;
FIG. 4 is a perspective view of the mounting plate and guide bracket assembled together;
FIG. 5 is a schematic view of the bottom of the mounting plate having a mounting plate recess;
FIG. 6 is a perspective view of a first spring;
FIG. 7 is a schematic view of a first spring connected between a spring mounting portion and a control arm;
FIG. 8 is a perspective view of a second spring;
FIG. 9 is a perspective view of the slide bar with guide ribs;
FIG. 10 is a schematic view of the lower end of the slide bar being provided with a slide bar groove;
FIG. 11 is a perspective view of the second spring mounted on the spring mounting portion;
FIG. 12 is a cross-sectional view of the slide bar drive mechanism, locking mechanism, slide bar and mounting bracket;
FIG. 13 is an enlarged view of the latch mechanism assembled with the mounting bracket;
FIG. 14 is a schematic view of a control arm with a sensor mounted in a second recess;
fig. 15 is a schematic view showing the connection of the control mechanism, the sensor, the slide lever drive mechanism, and the lock pin drive mechanism.
Detailed Description
Embodiments of the present application are further described below with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 8 and fig. 11, a suspension device according to an embodiment of the present application includes a control arm 1, a spring mounting portion 2 located above the control arm 1, and a spring group 3 connected between the control arm 1 and the spring mounting portion 2.
The spring group 3 includes a first spring 31 and a second spring 32 located in the first spring 31.
The upper end of the first spring 31 is connected to the spring mounting portion 2, and the lower end of the first spring 31 is connected to the control arm 1.
The upper end of the second spring 32 is connected to the spring mounting portion 2, and the lower end of the second spring 32 faces the control arm 1.
The second spring 32 has a first state and a second state, and is capable of switching between the first state and the second state.
When the second spring 32 is in the first state, the lower end of the second spring 32 is separated from the control arm 1.
When the second spring 32 is in the second state, the lower end of the second spring 32 is in contact with the control arm 1.
The present application provides a suspension device that is a suspension for a vehicle, such as a front suspension and a rear suspension.
In the present embodiment, the suspension device includes a control arm 1, a spring mounting portion 2, and a spring group 3. The control arm 1 acts as a guide and force transfer element of the suspension system, transferring the various forces acting on the wheel to the body, while ensuring that the wheel moves according to a certain trajectory. The control arm 1 is used for fixing the lower end of the elastic group 3. Specifically, the control arm 1 in the present application is a lower control arm in a suspension system.
The spring mount 2 is located above the control arm 1, and is a part of the vehicle body. The spring mounting portion 2 is used for fixing the upper end of the elastic group 3.
In the present embodiment, the spring group 3 is composed of a first spring 31 and a second spring 32. The first spring 31 and the second spring 32 are both coil springs. The first spring 31 is thicker than the second spring 32, and the second spring 32 is in the first spring 31.
The first spring 31 is connected between the spring mounting portion 2 and the control arm 1. That is, the upper end of the first spring 31 is connected to the spring mounting portion 2, and the lower end of the first spring 31 is connected to the control arm 1.
The upper end of the second spring 32 is connected to the spring mounting portion 2, and the lower end of the second spring 32 faces the control arm 1.
The second spring 32 has a first state (free state) and a second state (active state), and is capable of switching between the first state and the second state.
When the second spring 32 is in the first state, the lower end of the second spring 32 is separated from the control arm 1, and at this time, the second spring 32 does not work, and only the first spring 31 works, so that the riding comfort is satisfied.
When the second spring 32 is in the second state, the lower end of the second spring 32 is in contact with the control arm 1, at which time the second spring 32 is active. The first spring 31 and the second spring 32 are both acted, so that the rigidity of the spring group 3 is improved, a better supporting effect is realized, and the operation stability and the trafficability characteristic of the vehicle are improved.
The state transition of the second spring 32 is controlled by the vehicle load. According to the requirement, when the vehicle is unloaded, the load is G1, the compression amount of the first spring 31 is L1, the distance between the lower end of the second spring 32 and the control arm 1 is L2, and L2 is more than 0. When the vehicle increases the load to G2, the compression amount of the first spring 31 is L3, L3 is equal to or more than L1+ L2, the second spring 32 will contact the control arm 1, and the second spring 32 starts to act.
The magnitude of the vehicle load when the second spring 32 acts can be adjusted by adjusting the lengths of the first spring 31 and the second spring 32 as needed.
The stiffness of the spring group 3 can be adjusted by adjusting the self-stiffness of the first spring 31 and the second spring 32, as required.
Therefore, when the vehicle is lightly loaded, the second spring 32 is separated from the control arm 1 and does not work, only the first spring 31 works to meet the riding comfort, when the vehicle is heavily loaded, the second spring 32 is in contact with the control arm 1 and works, the first spring 31 and the second spring 32 both work, the rigidity of the spring group 3 is improved, a better supporting effect is realized, and the operation stability and the trafficability of the vehicle are improved.
In one embodiment, as shown in fig. 3, the control arm 1 is provided with a control arm first recess 11 and a control arm second recess 12 on the top surface.
The lower end of the first spring 31 is connected in the control arm first groove 11, and when the second spring 32 is in the second state, the lower end of the second spring 32 is in the control arm second groove 12, so that the stability of assembling the first spring 31 and the second spring 32 with the control arm 1 is improved.
In one embodiment, as shown in FIGS. 1-12, the spring mounting portion 2 includes a mounting plate 21 and a slide bar 22 slidably coupled to the mounting plate 21.
A slide rod driving mechanism 4 for driving the slide rod 22 to slide up and down is attached to the spring attachment portion 2.
The mounting plate 21 is provided with a mounting plate through hole 211, the sliding rod 22 passes through the mounting plate through hole 211, and the sliding rod 22 is in clearance fit with the mounting plate through hole 211.
The upper end of the first spring 31 is connected to the mounting plate 21, and the upper end of the second spring 32 is connected to the slide bar 22.
In the present embodiment, the spring mounting portion 2 includes a mounting plate 21 and a slide rod 22. The mounting plate 21 has a mounting plate through hole 211, and the sliding rod 22 passes through the mounting plate through hole 211 with a clearance, and the sliding rod 22 can slide up and down relative to the mounting plate 21.
The upper end of the first spring 31 is connected to the mounting plate 21, and the upper end of the second spring 32 is connected to the slide bar 22. Therefore, the sliding rod 22 can move the second spring 32 up and down.
In order to realize the adjustment of driving the sliding rod 22 to move up and down, a sliding rod driving mechanism 4 is installed on the spring installation part 2 and used for driving the sliding rod 22 to slide up and down. The slide rod driving mechanism 4 can be a motor combination, an oil cylinder, an air cylinder and other mechanisms.
When the distance between the lower end of the second spring 32 and the control arm 1 needs to be adjusted, the sliding rod 22 can be driven to move up and down through the sliding rod driving mechanism 4, and then the second spring 32 is driven to move up and down for adjustment, so that the distance between the lower end of the second spring 32 and the control arm 1 is increased or decreased, and the requirements of different road conditions are met.
In one embodiment, as shown in fig. 5 and 10, the bottom surface of the mounting plate 21 is provided with a mounting plate groove 212, and the upper end of the first spring 31 is connected in the mounting plate groove 212, so that the connection stability of the first spring 31 and the mounting plate 21 is improved. The sliding rod 22 has a sliding rod groove 222 at a lower end thereof, and the second spring 32 has an upper end thereof coupled in the sliding rod groove 222, thereby improving the coupling stability of the second spring 32 to the sliding rod 22.
In one embodiment, as shown in fig. 1-2, 4-5 and 9-10, the mounting plate through hole 211 has a vertically extending guide slot 2111 therein, and the slide bar 22 has a vertically extending guide rib 221 thereon, the guide rib 221 being a clearance fit in the guide slot 2111.
In this embodiment, the mounting plate through hole 211 has a guide groove 2111 therein, the mounting plate through hole 211 is a circular hole, the guide groove 2111 extends in the axial direction of the mounting plate through hole 211, and when the mounting plate is mounted on a vehicle, the guide groove 2111 extends in the vertical direction. Accordingly, the slide lever 22 has a guide rib 221, and the extending direction guide grooves 2111 of the guide rib 221 are aligned. When assembled, the guide rib 221 is fitted in the guide groove 2111 with a clearance, and provides a guide function for the up-and-down movement of the slide lever 22.
In one of the embodiments, as shown in fig. 12, the slide lever drive mechanism 4 includes a drive motor 41 and a drive gear 42 mounted on an output shaft of the drive motor 41.
The slide lever 22 is provided with a vertically extending slide lever rack 223, and the drive gear 42 is engaged with the slide lever rack 223.
In the present embodiment, the slide lever drive mechanism 4 includes a drive motor 41 and a drive gear 42, and the drive gear 42 is mounted on an output shaft of the drive motor 41. The slide lever 22 has a slide lever rack 223 thereon, the slide lever rack 223 extending in the vertical direction, and the drive gear 42 is engaged with the slide lever rack 223.
The driving motor 41 is rotatable in forward and reverse directions, and when the driving motor 41 is rotated, the driving gear 42 acts on the slide bar rack 223 to move the slide bar 22 up and down.
In one embodiment, as shown in fig. 1-2 and 4, the mounting plate 21 has a mounting bracket 23 thereon, and the mounting bracket 23 has a mounting bracket through-hole 231 coaxially arranged with the mounting plate through-hole 211.
The slide rod 22 passes through the mount through-hole 231, and the slide rod 22 is clearance-fitted to the mount through-hole 231.
In this embodiment, the mounting plate 21 has a mounting frame 23 thereon, and the mounting frame 23 is used for mounting accessory parts, such as a driving motor 41 and a driving gear 42, on the mounting frame 23.
The mounting bracket 23 has a mounting bracket through hole 231, the mounting bracket through hole 231 is coaxially arranged with the mounting bracket through hole 211, and the sliding rod 22 passes through the mounting bracket through hole 231 with a gap, so as to provide guidance for the up-and-down movement of the sliding rod 22.
In one embodiment, as shown in fig. 12-13, a locking mechanism 5 for locking the slide rod 22 is mounted on the mounting bracket 23.
In order to prevent the second spring 32 moved in place from automatically moving, a locking mechanism 5 is mounted on the mounting bracket 23 for locking the slide lever 22 to stabilize the second spring 32 at a specified position, and also to prevent the second spring 32 from impacting the slide lever driving mechanism 4 when acting.
The locking mechanism 5 can be a lock pin, a hoop and the like.
When the slide lever 22 is moved to the right position, the lock mechanism 5 is turned on, and the lock mechanism 5 locks the slide lever 22.
In one embodiment, as shown in fig. 12-13, the slide bar 22 has a plurality of slide bar retention grooves 224 spaced vertically.
The lock mechanism 5 includes a lock pin 51 and a lock pin drive mechanism 52 for driving the lock pin 51 to extend and retract.
The mount 23 has a mount guide groove 232 extending toward the mount through hole 231.
The lock pin 51 is slidably installed in the mount guide groove 232, and the output end 521 of the lock pin driving mechanism 52 is connected to the lock pin 51.
The lock pin 51 has an extended state and a retracted state. When the lock pin 51 is in the extended state, the lock pin 51 is at least partially inserted into one of the slide bar retaining grooves 224. When the lock pin 51 is in the retracted state, the lock pin 51 is separated from the slide bar retaining groove 224.
In this embodiment, the sliding rod 22 has a plurality of sliding rod limiting grooves 224, and the plurality of sliding rod limiting grooves 224 are arranged at intervals along the vertical direction of the sliding rod 22.
The lock mechanism 5 includes a lock pin 51 and a lock pin drive mechanism 52, and the lock pin drive mechanism 52 is used for driving the lock pin 51 to extend and retract. The latch drive mechanism 52 may be a motor gear combination, a piston, or the like.
The mount 23 has a linear mount guide groove 232, and the mount guide groove 232 opens toward the mount through hole 231.
The lock pin 51 is installed in the mount guide groove 232 and can slide in the mount guide groove 232 to be protruded out of the mount guide groove 232 or retracted into the mount guide groove 232.
The lock pin driving mechanism 52 is mounted on the mounting frame 23, and an output end 521 (e.g., a piston rod) thereof extends into the mounting frame guide groove 232 and is connected to the lock pin 51, so that the lock pin 51 can be driven to extend and retract.
The lock pin 51 has an extended state and a retracted state. When the sliding rod 22 moves to the right position, the lock pin driving mechanism 52 is turned on, and the lock pin driving mechanism 52 drives the lock pin 51 to extend out of the mounting rack guide groove 232 and insert into one of the sliding rod limiting grooves 224, so as to limit the up-and-down movement of the sliding rod 22. When the slide rod 22 needs to be adjusted, the lock pin driving mechanism 52 is closed, the lock pin 51 retracts toward the mounting frame guide groove 232, the lock pin 51 is separated from the slide rod limiting groove 224, and the slide rod 22 can be adjusted up and down.
In one embodiment, as shown in fig. 12-13, a resilient member 53 is mounted in the mounting bracket guide groove 232 for driving the latch 51 to extend.
In this embodiment, the elastic member 53 is installed in the mounting frame guide groove 232, and the elastic member 53 abuts against the lock pin 51 to drive the lock pin 51 to extend, so as to prevent the lock pin 51 from retracting due to vibration or the like. The lock pin 51 is driven to extend through the combined action of the lock pin driving mechanism 52 and the elastic piece 53, and the extending action of the lock pin 51 is facilitated. When it is desired to retract the lock pin 51, the lock pin drive mechanism 52 retracts against the force of the resilient member 53.
The elastic member 53 may be an expansion spring, an elastic sheet, or the like.
In one embodiment, as shown in fig. 15, the suspension apparatus further includes a control mechanism 7. The slide rod driving mechanism 4 and the lock pin driving mechanism 5 are respectively connected with a control mechanism 7.
The control mechanism 7 can be integrated in the traveling computer or can be a separate operation panel. The control mechanism 7 can control the opening and closing operations of the drive motor 41 in the slide lever drive mechanism 4 and the lock pin drive mechanism 52 in the lock pin drive mechanism 5.
The driving motor 41 and the lock pin driving mechanism 52 are respectively connected with the control mechanism 7 through leads to realize control signal transmission.
In one embodiment, as shown in fig. 14, the control arm second recess 12 has a sensor 6, such as a pressure sensor, therein. The sensor 6 is connected to a control mechanism 7.
When the lower end of the second spring 32 is located in the second control arm recess 12, a force is applied to the second control arm recess 12, and the sensor 6 detects the increase in pressure and sends a signal to the control mechanism 7 that the second spring 32 is activated.
When the position of the second spring 32 is adjusted by the slide bar drive mechanism 4, the sensor 6 detects an increase in pressure and signals the control mechanism 7 that the second spring 32 has come into contact with the control arm 1 and that the second spring 32 has moved down to the maximum position.
An embodiment of the present application provides a vehicle including the suspension apparatus described in any one of the foregoing embodiments. The suspension device can be applied to front and rear suspension systems of a vehicle.
To sum up, suspension device and vehicle that this application provided, when the vehicle underload, second spring and control arm separation do not work, and only first spring plays, satisfies the travelling comfort of taking, and when the vehicle overload, the second spring plays with the control arm contact, and first spring and second spring all play, have improved the rigidity of spring assembly, realize better supporting role, have promoted the operating stability and the trafficability characteristic of vehicle.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
What has been described above is merely the principles and preferred embodiments of the present application. It should be noted that, for a person skilled in the art, several other modifications can be made on the basis of the principle of the present application, and these should also be considered as the scope of protection of the present application.
Claims (10)
1. A suspension device is characterized by comprising a control arm, a spring mounting part positioned above the control arm and a spring group connected between the control arm and the spring mounting part;
the spring group comprises a first spring and a second spring positioned in the first spring;
the upper end of the first spring is connected with the spring mounting part, and the lower end of the first spring is connected with the control arm;
the upper end of the second spring is connected with the spring mounting part, and the lower end of the second spring faces the control arm;
the second spring has a first state and a second state and is switchable between the first state and the second state;
when the second spring is in the first state, the lower end of the second spring is separated from the control arm;
when the second spring is in the second state, a lower end of the second spring is in contact with the control arm.
2. The suspension device according to claim 1 wherein the spring mounting portion includes a mounting plate and a slide bar slidably connected to the mounting plate;
a sliding rod driving mechanism for driving the sliding rod to slide up and down is arranged on the spring mounting part;
the mounting plate is provided with a mounting plate through hole, the sliding rod penetrates through the mounting plate through hole, and the sliding rod is in clearance fit with the mounting plate through hole;
the upper end of the first spring is connected with the mounting plate, and the upper end of the second spring is connected with the sliding rod.
3. The suspension apparatus according to claim 2 wherein the mounting plate has a vertically extending guide groove in the through hole, and the slide bar has a vertically extending guide rib thereon, the guide rib being clearance-fitted in the guide groove.
4. The suspension device according to claim 2 wherein the slide lever drive mechanism includes a drive motor and a drive gear mounted on an output shaft of the drive motor;
the sliding rod is provided with a vertically extending sliding rod rack, and the driving gear is meshed with the sliding rod rack.
5. The suspension apparatus according to claim 2 wherein the mounting plate has a mounting bracket thereon, the mounting bracket having a mounting bracket through hole thereon arranged coaxially with the mounting plate through hole;
the sliding rod penetrates through the mounting frame through hole, and the sliding rod is in clearance fit with the mounting frame through hole.
6. The suspension device according to claim 5 wherein a lock mechanism for locking the slide lever is mounted on the mounting bracket.
7. The suspension device according to claim 6 wherein a plurality of slide bar retaining grooves are provided on the slide bar at intervals in the vertical direction;
the locking mechanism comprises a lock pin and a lock pin driving mechanism for driving the lock pin to stretch and retract;
the mounting bracket is provided with a mounting bracket guide groove extending towards the mounting bracket through hole;
the lock pin is slidably arranged in the mounting rack guide groove, and the output end of the lock pin driving mechanism is connected with the lock pin;
the locking pin has an extended state and a retracted state;
when the lock pin is in the extending state, the lock pin is at least partially inserted into one of the slide rod limiting grooves;
when the lock pin is in the retracted state, the lock pin is separated from the slide bar limiting groove.
8. The suspension apparatus according to claim 7 wherein an elastic member for driving the lock pin to protrude is installed in the mount guide groove.
9. The suspension device according to claim 7 further comprising a control mechanism;
the sliding rod driving mechanism and the lock pin driving mechanism are respectively connected with the control mechanism.
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 |
|---|---|---|---|
| CN202120818736.5U CN215552394U (en) | 2021-04-20 | 2021-04-20 | Suspension device and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120818736.5U CN215552394U (en) | 2021-04-20 | 2021-04-20 | Suspension device and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215552394U true CN215552394U (en) | 2022-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120818736.5U Active CN215552394U (en) | 2021-04-20 | 2021-04-20 | Suspension device and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215552394U (en) |
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2021
- 2021-04-20 CN CN202120818736.5U patent/CN215552394U/en active Active
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