CN219282307U - Air spring, upright post assembly, vehicle suspension and vehicle - Google Patents
Air spring, upright post assembly, vehicle suspension and vehicle Download PDFInfo
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- CN219282307U CN219282307U CN202320042098.1U CN202320042098U CN219282307U CN 219282307 U CN219282307 U CN 219282307U CN 202320042098 U CN202320042098 U CN 202320042098U CN 219282307 U CN219282307 U CN 219282307U
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Abstract
The utility model discloses a concrete air spring, stand assembly, vehicle suspension and vehicle, air spring includes piston, support piece and bag skin, and the piston includes inner tube and urceolus, and the urceolus cover is established outside the inner tube, and the inner tube is suitable for linking to each other with the shock absorber, and the inner tube is rotatable for the urceolus, and support piece's one end links to each other with the urceolus, and support piece's the other end links to each other with the inner tube so that the inner tube is rotatable for the urceolus, and bag skin cover is established on the urceolus, and bag skin links to each other with the urceolus. The air spring can prolong the service life of the bag skin and reduce abnormal sound and abrasion of the air spring.
Description
Technical Field
The disclosure relates to the technical field of vehicles, in particular to an air spring, a stand column assembly, a vehicle suspension and a vehicle.
Background
Along with the demand of users on the comfort performance of automobiles is higher and higher, the air springs are widely applied to suspensions of passenger cars and commercial cars, and the air springs can adapt to different loads by adjusting air pressure, so that the sprung mass deflection frequency is kept at a lower level, the driving comfort of passengers can be well improved, and meanwhile, the height of the vehicles can be adjusted, so that the trafficability of the vehicles is improved and the posture of the vehicle body is kept.
In the air spring of the related art, the piston and the damper cylinder are relatively fixed, and the relative movement between the piston and the outer cylinder is required to be achieved by curling and twisting of the cover, however, the curling and twisting of the cover adversely affect the fatigue life of the cover.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model provides the air spring, which can prolong the service life of the capsule shell and reduce abnormal sound and abrasion of the air spring.
The embodiment of the disclosure also provides a column assembly.
The embodiment of the disclosure also provides a vehicle suspension.
The embodiment of the disclosure also provides a vehicle.
An air spring of an embodiment of the present disclosure includes: the piston comprises an inner cylinder and an outer cylinder, the outer cylinder is sleeved outside the inner cylinder, the inner cylinder is suitable for being connected with a shock absorber, and the inner cylinder can rotate relative to the outer cylinder; the other end of the supporting piece is connected with the inner cylinder so that the inner cylinder can rotate relative to the outer cylinder; the bag skin is sleeved on the outer cylinder and connected with the outer cylinder.
The air spring of the embodiment of the disclosure can prolong the service life of the capsule shell and reduce abnormal sound and abrasion of the air spring.
In some embodiments, the outer cylinder is provided with a containing cavity, the supporting piece is located in the containing cavity, one side of the inner cylinder stretches into the containing cavity, and one side of the inner cylinder stretches into the containing cavity is connected with the supporting piece.
In some embodiments, the inner barrel is coaxially disposed with the outer barrel.
In some embodiments, the bladder is removably coupled to the outer barrel.
In some embodiments, the bag skin is provided with a connecting ring and a bag body, the bag body is connected with the connecting ring, and the connecting ring is sleeved on the outer barrel.
In some embodiments, the support is a planar bearing.
The column assembly of the embodiment of the disclosure comprises:
the air spring is any one of the air springs, and the shock absorber is arranged in the air spring in a penetrating mode.
The upright post assembly of the embodiment of the disclosure adopts the air spring, so that the service life of the bag cover can be prolonged, and abnormal sound and abrasion of the air spring can be reduced.
In some embodiments, the damper includes a cylinder body penetrating the inner cylinder and a rod body penetrating the air spring.
The vehicle suspension of the disclosed embodiment includes a strut assembly as described above.
The vehicle suspension of the embodiment of the disclosure adopts the upright post assembly, so that the service life of the capsule shell can be prolonged, and abnormal sound and abrasion of the air spring can be reduced.
The vehicle of the embodiment of the disclosure comprises the vehicle suspension.
According to the vehicle disclosed by the embodiment of the disclosure, the vehicle suspension is adopted, so that the service life of the capsule shell can be prolonged, and abnormal sound and abrasion of the air spring can be reduced.
Drawings
FIG. 1 is a schematic illustration of an air spring of an embodiment of the present disclosure.
FIG. 2 is a schematic illustration of a shock absorber of an embodiment of the present disclosure.
Fig. 3 is a schematic view of a support of an embodiment of the present disclosure.
Reference numerals:
shock absorber 100, air spring 200,
the piston 1, the inner cylinder 11, the outer cylinder 12, the accommodating chamber 121,
the support 2, the first portion 21, the second portion 22, the connecting section 221,
the capsule shell 3, the connecting ring 31, the capsule body 32,
a cylinder 4 and a rod body 5.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
As shown in fig. 1, an air spring 200 according to an embodiment of the present disclosure includes a piston 1, a support member 2, and a capsule 3, the piston 1 includes an inner cylinder 11 and an outer cylinder 12, the outer cylinder 12 is sleeved outside the inner cylinder 11, the inner cylinder 11 is adapted to be connected with a shock absorber 100, and the inner cylinder 11 is rotatable with respect to the outer cylinder 12, one end of the support member 2 is connected with the outer cylinder 12, the other end of the support member 2 is connected with the inner cylinder 11 so that the inner cylinder 11 is rotatable with respect to the outer cylinder 12, the capsule 3 is sleeved on the outer cylinder 12, and the capsule 3 is connected with the outer cylinder 12.
Specifically, as shown in fig. 1 to 3, the piston 1 includes an inner cylinder 11 and an outer cylinder 12 extending in the up-down direction, the inner cylinder 11 and the outer cylinder 12 being arranged at intervals in the up-down direction, the inner cylinder 11 being fitted over the shock absorber 100, the inner cylinder 11 being rotatable in the left-right direction with respect to the outer cylinder 12, an upper end of the support 2 being connected to the outer cylinder 12, for example, an upper end of the support 2 being pivotally connected to the outer cylinder 12. The lower end of the support member 2 is connected to the upper end of the inner cylinder 11, i.e., the support member 2 is rotatable counterclockwise or clockwise in the left-right direction with respect to the outer cylinder 12. The bag cover 3 is sleeved on the outer cylinder 12, the bag cover 3 is connected with the outer cylinder 12, the lower end of the supporting piece 2 is pivoted with the upper end of the inner cylinder 11, namely, the supporting piece 2 can rotate anticlockwise or clockwise relative to the inner cylinder 11 in the left-right direction, so that the inner cylinder 11 can rotate relative to the outer cylinder 12, and when the shock absorber 100 or the air spring 200 twists in the running process, the inner cylinder 11 and the outer cylinder 12 rotate relatively, and the bag cover 3 is prevented from twisting.
Further, the support 2 includes a first portion 21 and a second portion 22, where the upper end of the first portion 21 is connected to the outer cylinder 12, and the lower end of the first portion 21 is pivoted to the upper end of the second portion 22, that is, the first portion 21 can rotate clockwise or counterclockwise relative to the second portion 22 in the left-right direction, so that when the damper 100 rotates, the rotation of the first portion 21 relative to the second portion 22 in the counterclockwise or clockwise direction can avoid the torsion of the bladder 3 caused by the rotation of the damper 100. The upper end of the second portion 22 may further be provided with a ball which is slidable with respect to the first portion 21 so that the first portion 21 can be rotated clockwise or counterclockwise with respect to the second portion 22 in the left-right direction.
Further, the number of the supporting pieces 2 is plural, the plurality of supporting pieces 2 are sequentially connected in the up-down direction, and different use environments can be applied by designing the plurality of supporting pieces 2.
Alternatively, the shape of the inner cylinder 11 may be a cylindrical shape, or the shape of the inner cylinder 11 may be other shapes existing, for example, the shape of the inner cylinder 11 may be a rectangular parallelepiped shape. The outer tube 12 may be cylindrical in shape, or the outer tube 12 may be other shape as is conventional, for example, the outer tube 12 may be rectangular parallelepiped in shape.
According to the air spring 200 of the embodiment of the disclosure, the inner cylinder 11 can rotate relative to the outer cylinder 12 through the support piece 2, when the air spring 200 or the shock absorber 100 is twisted by external force, namely, when the air spring 3 and the outer cylinder 12 are twisted, the inner cylinder 11 rotates clockwise or anticlockwise relative to the outer cylinder 12 through the support piece 2, so that the air spring 3 is prevented from being twisted, the service life of the air spring 3 is prolonged, abnormal sound and abrasion are avoided when the air spring 3 is twisted, friction is avoided due to contact between the outer cylinder 12 and the shock absorber 100 through the support piece 2, abnormal sound and abrasion of the air spring 200 are reduced, and the service life and stability of the air spring 200 are improved.
In some embodiments, the outer cylinder 12 has a receiving cavity 121 therein, the support 2 is located in the receiving cavity 121, one side of the inner cylinder 11 extends into the receiving cavity 121, and one side of the inner cylinder 11 extending into the receiving cavity 121 is connected to the support 2.
Specifically, as shown in fig. 1 and 2, the outer cylinder 12 has a receiving chamber 121 therein, the receiving chamber 121 has an opening downward, the supporting member 2 is located in the receiving chamber 121, the radial dimension of the outer cylinder 12 is larger than the radial dimension of the inner cylinder 11, the upper end of the inner cylinder 11 extends into the receiving chamber 121 through the opening to connect with the lower end of the supporting member 2, the upper end of the supporting member 2 is connected with the inner wall surface of the receiving chamber 121, that is, the upper end of the first portion 21 is connected with the inner wall surface of the receiving chamber 121, the lower end of the first portion 21 is connected with the upper end of the second portion 22, and the first portion 21 is rotatable relative to the second portion 22. The lower end of the second portion 22 is connected to the upper end of the inner tube 11.
Further, the upper end of the first portion 21 is connected to the inner wall surface of the accommodating cavity 121, the first portion 21 is rotatable relative to the outer cylinder 12, the lower end of the second portion 22 is connected to the upper end of the inner cylinder 11, the second portion 22 is rotatable relative to the inner cylinder 11, the first portion 21 is rotatable relative to the outer cylinder 12, the second portion 22 is rotatable relative to the inner cylinder 11, and the torsion of the bladder skin 3 caused by the torsion of the air spring 200 and the damper 100 is avoided, so that the stability and safety of the air spring 200 are improved. It is to be appreciated that the air spring 200 further includes a dust cover, the dust cover is disposed on the shock absorber 100, and the lower end of the dust cover is connected to the outer wall surface of the shock absorber 100, the upper end of the dust cover is connected to the lower end of the outer cylinder 12 to close the opening of the accommodating cavity 121, the dust cover can be extended or contracted in the up-down direction, and then when the shock absorber 100 and the outer cylinder 12 are relatively displaced in the up-down direction, the dust cover is contracted or extended, so that when the dust cover and the shock absorber 100 or the outer cylinder 12 are relatively displaced, external sundries are prevented from entering the accommodating cavity 121 through the opening of the accommodating cavity 121, and stability and safety of the air spring 200 are improved.
According to the air spring 200 of the embodiment of the disclosure, the accommodating cavity 121 is arranged, the accommodating cavity 121 is provided with the opening downwards, sundries can be prevented from entering the accommodating cavity 121 under the action of gravity, the supporting piece 2 is prevented from being influenced by the external sundries, the service life of the supporting piece 2 is prolonged, and the stability and the safety of the air spring 200 are further improved.
In some embodiments, the inner barrel 11 is coaxially disposed with the outer barrel 12.
Specifically, as shown in fig. 1, the inner cylinder 11 and the outer cylinder 12 are coaxially arranged in the up-down direction, so that abrasion caused by swinging between the inner cylinder 11 and the outer cylinder 12 in the left-right direction in the use process of the air spring 200 is reduced, the coaxial arrangement of the inner cylinder 11 and the outer cylinder 12 can also bear the stress of the air spring 200 in the up-down direction, when the air spring 200 is prevented from being subjected to the force in the up-down direction, the inner cylinder 11 and the outer cylinder 12 swing relatively, abrasion between the inner cylinder 11 and the outer cylinder 12 is reduced, and stability and safety of the air spring 200 are improved. In the process of assembling the air spring 200, the inner cylinder 11 and the outer cylinder 12 are coaxially arranged, so that the assembling precision of the air spring 200 can be improved, and the stability and the safety of the air spring 200 are further improved.
In some embodiments, the bladder 3 is removably connected to the outer barrel 12.
Specifically, as shown in fig. 1, the lower end of the bladder cover 3 is detachably connected with the outer cylinder 12, so that different types of bladder covers 3 can be replaced to adapt to different use environments, or different outer cylinders 12 can be replaced to adapt to different use conditions, thereby improving the applicability and stability of the air spring 200.
In some embodiments, the bag cover 3 is provided with a connecting ring 31 and a bag body 32, the bag body 32 is connected with the connecting ring 31, and the connecting ring 31 is sleeved on the outer barrel 12.
Specifically, as shown in fig. 1, the connecting ring 31 is sleeved on the outer cylinder 12, the connecting ring 31 is connected with the balloon body 32, the number of the connecting rings 31 can be one, of course, the number of the connecting rings 31 can also be multiple, the connecting rings 31 are sequentially connected in the up-down direction, the outer wall surfaces of the connecting rings 31 are connected with the balloon body 32 to improve the connection strength of the connecting rings 31 and the balloon body 32, and further, the connection part of the connecting rings 31 and the balloon body 32 is prevented from being broken when the balloon body 32 is inflated or deflated, and the stability and the safety of the air spring 200 are improved.
Further, the connecting ring 31 may be adhesively connected with the capsule body 32, or, the connecting ring 31 and the capsule body 32 are integrally formed, so as to improve the structural strength of the capsule skin 3, or, the outer barrel 12 is provided with a clamping groove, the connecting ring 31 is clamped in the clamping groove, so as to improve the connection strength of the connecting ring 31 and the outer barrel 12, further, the connecting ring 31 is clamped in the clamping groove, the inner wall surface of the clamping groove is connected with the connecting ring 31 through gluing, so as to further improve the connection stability and safety of the connecting ring 31 and the outer barrel 12, it is understood that the number of the connecting ring 31 is multiple, the clamping grooves are in one-to-one correspondence with the connecting rings 31, so that the stability and safety of the connection of the capsule skin 3 and the outer barrel 12 are improved, and the stability and safety of the air spring 200 are further improved.
In some embodiments, the support 2 is a planar bearing, that is, the planar bearing includes a first portion 21 and a second portion 22, where the upper end of the first portion 21 is connected to the outer cylinder 12, and the lower end of the second portion 22 is connected to the inner cylinder 11, and the first portion 21 is rotatable relative to the second portion 22, for example, a ball is disposed between the first portion 21 and the second portion 22, so that the inner cylinder 11 is rotatable relative to the outer cylinder 12, and abrasion caused by torsion force of the bladder 3 when the air spring 200 is twisted is avoided, thereby improving the service life of the air spring 200.
The pillar assembly of the embodiment of the present disclosure includes the shock absorber 100 and the air spring 200, the air spring 200 is any one of the air springs 200 described above, and the shock absorber 100 is inserted into the air spring 200.
Specifically, as shown in fig. 2, the damper 100 is disposed in the air spring 200 in a penetrating manner in an up-down direction, the inner cylinder 11 in the air spring 200 is rotatable relative to the outer cylinder 12, and when the air spring 200 and the damper 100 are subjected to torsion force, the inner cylinder 11 is rotatable relative to the outer cylinder 12 to avoid torsion of the bladder 3 caused by torsion of the air spring 200 or the damper 100, and when the damper 100 is twisted, the inner cylinder 11 and the outer cylinder 12 are rotatable to avoid torsion force of the bladder 3, and wear and abnormal noise between the damper 100 and the inner cylinder 11 are also avoided due to the rotation between the inner cylinder 11 and the outer cylinder 12. And a supporting piece 2 is further arranged between the inner cylinder 11 and the outer cylinder 12, and the supporting piece 2 prevents abrasion and abnormal sound caused by contact when the inner cylinder 11 and the outer cylinder 12 are twisted.
According to the column assembly of the embodiment of the disclosure, when the air spring 200 and the damper 100 are subjected to torsion force, the supporting piece 3 can enable the inner cylinder 11 to rotate relative to the outer cylinder 12 so as to prevent the air spring 200 from twisting to cause the capsule skin 3 to twist, the service life of the capsule skin 3 is prolonged, when the damper 100 is twisted, the inner cylinder 11 and the outer cylinder 12 can rotate so as to prevent the capsule skin 3 from being subjected to torsion force, and abrasion and abnormal sound between the damper 100 and the inner cylinder 11 are avoided due to the rotation between the inner cylinder 11 and the outer cylinder 12, and the service life and stability of the air spring 200 are improved.
In some embodiments, shock absorber 100 includes a cylinder 4 and a rod 5, cylinder 4 being disposed through inner tube 11, rod 5 extending through air spring 200.
Specifically, as shown in fig. 2, the cylinder body 4 is inserted into the inner cylinder 11, that is, the inner cylinder 11 is sleeved on the cylinder body 4, the rod body 5 penetrates through the air spring 200 along the up-down direction, the lower end of the rod body 5 is connected with the cylinder body 4, for example, the lower end of the rod body 5 is pivoted with the cylinder body 4, and when the shock absorber 100 is twisted, the rod body 5 rotates relatively to the cylinder body 4 to avoid twisting and abrasion between the cylinder body 4 and the rod body 5, so that stability and safety of the column assembly are improved. Further, the upper end of the cylinder body 4 is provided with a groove, the groove is recessed downwards, the lower end of the second part 22 is provided with a connecting section 221, the connecting section 221 extends downwards, and the connecting section 221 stretches into the groove to be in contact with the inner wall surface of the groove, so that the connection stability of the second part 22 with the inner cylinder 11 and the cylinder body 4 is improved.
Further, the shock absorber 100 further includes a damper, one end of which is connected to the rod body 5 and the other end of which is connected to the cylinder body 4, and by providing the damper, the shock absorbing performance of the shock absorber 100 can be improved.
The vehicle suspension of the disclosed embodiments includes a strut assembly as described above.
According to the vehicle suspension disclosed by the embodiment of the disclosure, the upright post assembly is adopted, the inner cylinder 11 is rotatable relative to the outer cylinder 12, so that the torsion of the capsule shell 3 caused by the torsion of the shock absorber 100 and the air spring 200 can be avoided, the service life of the capsule shell 3 can be prolonged, and the abrasion and abnormal sound of the shock absorber 100 and the air spring 200 during the torsion of the shock absorber 100 are avoided by the inner cylinder 11 relative to the outer cylinder 12, and the abnormal sound and abrasion of the air spring 200 are further reduced.
The vehicle of the embodiment of the disclosure comprises the vehicle suspension.
According to the vehicle provided by the embodiment of the disclosure, the vehicle suspension is adopted, the inner cylinder 11 is rotatable relative to the outer cylinder 12, so that the air spring 200 and the shock absorber 100 can be prevented from twisting the capsule shell 3 when being twisted, the abrasion of the capsule shell 3 is reduced, the service life of the capsule shell 3 is prolonged, the support piece 2 is arranged between the support piece 2 and the inner cylinder 11 and the outer cylinder 12, the inner cylinder 11 is prevented from being in direct contact with the outer cylinder 12, and abnormal sound and abrasion of the air spring 200 can be reduced.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. An air spring, comprising:
the piston comprises an inner cylinder and an outer cylinder, the outer cylinder is sleeved outside the inner cylinder, the inner cylinder is suitable for being connected with a shock absorber, and the inner cylinder can rotate relative to the outer cylinder;
the other end of the supporting piece is connected with the inner cylinder so that the inner cylinder can rotate relative to the outer cylinder;
the bag skin is sleeved on the outer cylinder and connected with the outer cylinder.
2. An air spring as set forth in claim 1 wherein said outer barrel has a receiving cavity therein, said support member being located in said receiving cavity, one side of said inner barrel extending into said receiving cavity, and one side of said inner barrel extending into said receiving cavity being connected to said support member.
3. An air spring as set forth in claim 1 wherein said inner cylinder is coaxially disposed with said outer cylinder.
4. The air spring of claim 1 wherein said bladder is removably connected to said outer barrel.
5. The air spring of claim 1, wherein the bag cover is provided with a connecting ring and a bag body, the bag body is connected with the connecting ring, and the connecting ring is sleeved on the outer cylinder.
6. An air spring according to any one of claims 1-5, wherein said support is a planar bearing.
7. A column assembly, comprising:
a damper and an air spring, the air spring being the air spring of any one of claims 1-6, the damper being disposed through the air spring.
8. The column assembly of claim 7, wherein the damper comprises a cylinder body and a rod body, the cylinder body passing through the inner cylinder, the rod body passing through the air spring.
9. A vehicle suspension comprising a stud assembly as claimed in claim 7 or 8.
10. A vehicle comprising the vehicle suspension of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320042098.1U CN219282307U (en) | 2023-01-06 | 2023-01-06 | Air spring, upright post assembly, vehicle suspension and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320042098.1U CN219282307U (en) | 2023-01-06 | 2023-01-06 | Air spring, upright post assembly, vehicle suspension and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219282307U true CN219282307U (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320042098.1U Active CN219282307U (en) | 2023-01-06 | 2023-01-06 | Air spring, upright post assembly, vehicle suspension and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219282307U (en) |
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2023
- 2023-01-06 CN CN202320042098.1U patent/CN219282307U/en active Active
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