CN219529692U - Shock absorber assembly for vehicle and vehicle - Google Patents
Shock absorber assembly for vehicle and vehicle Download PDFInfo
- Publication number
- CN219529692U CN219529692U CN202320045421.0U CN202320045421U CN219529692U CN 219529692 U CN219529692 U CN 219529692U CN 202320045421 U CN202320045421 U CN 202320045421U CN 219529692 U CN219529692 U CN 219529692U
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- China
- Prior art keywords
- piston rod
- shock absorber
- vehicle
- absorber assembly
- dust cover
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a shock absorber assembly for a vehicle and the vehicle, wherein the shock absorber assembly comprises a hanging ring, a piston rod and a dust cover, and a first connecting part is arranged at the end part of the hanging ring; one end of the piston rod is suitable for being matched with the first connecting part; the dust cover is provided with a second connecting part, and the second connecting part is suitable for being welded and fixed with the first connecting part. According to the shock absorber assembly, the dust cover and the hanging ring are welded and fixed, so that firm connection between the dust cover and the hanging ring is ensured, the sealing performance of the dust cover is ensured, and meanwhile, the piston rod is connected with the first connecting part of the hanging ring in a matched manner, so that the connection between the piston rod and the hanging ring is convenient and reliable, and deformation damage of the piston rod during installation is avoided.
Description
Technical Field
The utility model relates to the field of vehicles, in particular to a shock absorber assembly for a vehicle and the vehicle.
Background
In the related art, when the shock absorber is produced, the lifting ring is generally connected with the piston rod through projection welding, however, when abrasion, burrs and oil stains appear on the projection welding electrode, the point discharge phenomenon is very easy to occur, the surface of the piston rod is burned out of the pit, and the oil leakage phenomenon can occur in a short period after the shock absorber is put into use. Meanwhile, after the piston rod passes through the dustproof cover and is in projection welding with the lifting ring, the upper end of the dustproof cover is welded with the lifting ring, or the lower end of the dustproof cover is welded with the piston rod, so that the dustproof cover is ensured not to loosen.
CN212455318U discloses a shock absorber with thread coating for an upper lifting ring, which comprises a dust cover baffle, a piston rod and a dust cover, wherein the dust cover baffle is fixed on the piston rod, an internal thread is arranged on the dust cover baffle, an external thread is arranged at the corresponding position of the piston rod, the dust cover baffle is fixed on the piston rod through thread engagement, the dust cover is sleeved on the dust cover baffle, and the lifting ring and the dust cover are respectively connected with the piston rod in a mode of adopting thread bonding thread glue.
CN213954221U discloses a bumper shock absorber convenient to change dirt proof boot, through adopting outside threaded connection's mode realization to the installation use of dirt proof boot, and then can improve the installation effectiveness of dirt proof boot, improves the convenience of installation change.
The dust cover of the two shock absorbers is in threaded connection with the piston rod, and the threaded connection structure needs to avoid shearing or torsion, so that the dust cover is connected to the side wall of the piston rod, the axial force of the piston rod easily causes the dust cover to be loose with the threaded connection of the piston rod, and the sealing performance of the dust cover can be affected due to the failure of the threaded seal.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present utility model is to propose a shock absorber assembly for a vehicle. According to the shock absorber assembly, the dust cover and the hanging ring are welded and fixed, so that firm connection between the dust cover and the hanging ring is ensured, the sealing performance of the dust cover is ensured, and meanwhile, the piston rod is connected with the first connecting part of the hanging ring in a matched manner, so that the connection between the piston rod and the hanging ring is convenient and reliable, and deformation damage of the piston rod during installation is avoided.
The utility model further provides a vehicle with the shock absorber assembly.
The damper assembly according to the present utility model includes: the end part of the lifting ring is provided with a first connecting part; a piston rod having one end adapted to mate with the first connection portion; the dustproof cover is provided with a second connecting portion, and the second connecting portion is suitable for being welded and fixed with the first connecting portion.
According to the shock absorber assembly, the first connecting part is arranged at the end part of the lifting ring, the second connecting part is arranged on the dust cover, and the second connecting part is welded and fixed with the first connecting part so as to realize the welding and fixing of the dust cover and the lifting ring, ensure firm connection between the dust cover and the lifting ring and ensure the tightness of the dust cover; in addition, one end of the piston rod is connected with the first connecting part in a matched mode, so that the connection between the piston rod and the hanging ring is convenient and reliable, and deformation damage of the piston rod during installation is avoided.
According to some embodiments of the utility model, the first connecting portion has a first thread formed thereon, and the piston rod has a mating section provided at one end thereof, and the mating section has a second thread adapted to mate with the first thread.
According to some embodiments of the utility model, the first connecting portion is configured as a connecting block, the connecting block is provided with a connecting hole adapted to accommodate the mating section, and the inner wall of the connecting hole is provided with the first thread.
According to some embodiments of the utility model, the dust cap comprises: the dustproof cover is configured to be the second connecting part and is suitable for being welded and fixed with the first connecting part; the cover body is connected with the dustproof cover cap and covers at least part of the periphery of the piston rod.
According to some embodiments of the utility model, the dust cover is provided with a connecting hole, and the inner periphery of the connecting hole is welded and fixed with the outer periphery of the first connecting part.
According to some embodiments of the utility model, the shock absorber assembly further comprises: the shock absorber comprises a shock absorber cylinder body, wherein a compression cavity is formed in the shock absorber cylinder body, and the other end of the piston rod is accommodated in the compression cavity.
According to some embodiments of the utility model, a first limiting part is arranged at the other end of the piston rod, a second limiting part is arranged on the inner peripheral wall of the compression cavity, and the first limiting part and the second limiting part are suitable for limiting the movement stroke of the piston rod in the axial direction.
According to some embodiments of the utility model, the outer circumference of the other end of the piston rod is provided with a seal, which is in abutment with the inner wall of the compression chamber.
According to some embodiments of the utility model, a bushing is arranged on the hanging ring, and a connecting hole is arranged inside the bushing.
The vehicle according to the present utility model is briefly described below.
A vehicle according to the present utility model includes a shock absorber assembly as described in any one of the embodiments above. Since the vehicle according to the present utility model includes the damper assembly according to any one of the embodiments described above, the connection between the piston rod and the suspension ring is convenient and reliable when the vehicle according to the present utility model is assembled with the damper, the assembling speed is high, and the sealing performance of the dust cover is good, and the quality reliability of the piston rod is high, so that the damping performance of the vehicle is good.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a shock absorber assembly according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a bail and dust cap connection in accordance with an embodiment of the present utility model;
FIG. 3 is a schematic view of a shock absorber assembly with an unattached eye in accordance with an embodiment of the present utility model.
Reference numerals:
a shock absorber assembly 1;
a hanging ring 11, a first connecting portion 111;
a piston rod 12, mating segment 121;
a dust cover 13, a second connection portion 131, a dust cover 132, and a cover body 133;
a damper cylinder 14.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
A shock absorber assembly 1 according to an embodiment of the present utility model is described below with reference to fig. 1 to 3.
As shown in fig. 1 and 2, the shock absorber assembly 1 according to the present utility model includes a suspension ring 11, a piston rod 12, and a dust cover 13, and an end portion of the suspension ring 11 is provided with a first connection portion 111; one end of the piston rod 12 is adapted to cooperate with the first connecting portion 111; the dust cover 13 is provided with a second connecting portion 131, and the second connecting portion 131 is suitable for being welded and fixed with the first connecting portion 111.
In the related art, after a piston rod passes through a dustproof cover cap and is in projection welding with a lifting ring, the upper end of the dustproof cover cap is welded with the lifting ring, or the lower end of the dustproof cover cap is welded with the piston rod, so that the connection among the piston rod, the lifting ring and the dustproof cover cap is realized. However, when the projection welding electrode is worn, burrs and greasy dirt, the point discharge phenomenon is very easy to occur, and pits are burned out of the surface of the piston rod, so that the oil leakage phenomenon occurs in a short period of time after the shock absorber is put into use; meanwhile, in some technical schemes, the dust cover is connected with the piston rod through threads, and the impact force received in the working process of the shock absorber easily causes thread sealing failure to influence the tightness of the dust cover.
Therefore, in the shock absorber assembly 1, the first connecting part 111 is arranged at the end part of the hanging ring 11, the second connecting part 131 is arranged on the dust cover 13, and the second connecting part 131 and the first connecting part 111 are welded and fixed to realize the welding and fixing of the dust cover 13 and the hanging ring 11, so that the dust cover 13 and the hanging ring 11 are firmly connected, and the tightness of the dust cover 13 is ensured; in addition, one end of the piston rod 12 is connected with the first connecting part 111 in a matching way, so that the connection between the piston rod 12 and the hanging ring 11 is convenient and reliable, and the piston rod 12 is prevented from being deformed and damaged during installation.
Therefore, in the shock absorber assembly 1, the dust cover 13 is firmly connected with the hanging ring 11, the dust cover 13 has good sealing performance, meanwhile, the connection between the piston rod 12 and the hanging ring 11 is convenient and reliable, and the quality reliability of the piston rod 12 is high.
According to some embodiments of the present utility model, as shown in fig. 3, a first thread is formed on the first connection part 111, and an end of the piston rod 12 is provided with a mating section 121, and a second thread adapted to mate with the first thread is provided on the mating section 121. The connection of the piston rod 12 to the suspension ring 11 is achieved by forming a first thread on the first connection part 111 and a second thread on the mating section 121 of the piston rod 12, which second thread is in mating connection with the first thread. The threaded connection is convenient to operate and reliable in connection, and when the shock absorber assembly 1 is assembled, the piston rod 12 is convenient to clean due to the fact that the threaded connection is convenient to disassemble and assemble.
According to some embodiments of the utility model, the first connection portion 111 is configured as a connection block, on which a connection hole adapted to receive the mating segment 121 is provided, and on an inner wall of which a first thread is provided. By constructing the first connection portion 111 as a connection block, the connection block provides a welding surface for welding the suspension ring 11 and the dust cover 13, and simultaneously provides a setting space of the first thread, so that the suspension ring 11 can be conveniently connected with the dust cover 13 and the piston rod 12 respectively; meanwhile, a connecting hole for accommodating the matching section 121 is formed in the connecting block, the extending direction of the connecting hole is the same as that of the matching section 121, and the matching section 121 stretches into the connecting hole and is matched and connected with the first thread through the second thread, so that the connection between the piston rod 12 and the lifting ring 11 is achieved. The connection block provides mounting holes for the piston rod 12, which has a positioning effect on the mounting of the piston rod 12.
According to some embodiments of the present utility model, as shown in fig. 1, the dust cover 13 includes a dust cover 132 and a cover body 133, the dust cover 132 being configured as a second connection portion 131 and adapted to be welded and fixed with the first connection portion 111; the housing body 133 is connected to the dust cap 132 and covers at least a part of the outer circumference of the piston rod 12. The dust cap 132 serves as a connection portion between the dust cap 13 and the suspension ring 11, and the cap body 133 is provided on at least a part of the outer circumference of the piston rod 12 to prevent dust and protect the piston rod 12. The dust cap 132 is connected with the cap body 133 to support and position the cap body 133, ensuring that the cap body 133 remains stable when the shock absorber assembly 1 is in operation, thereby ensuring that the piston rod 12 remains clean.
According to some embodiments of the present utility model, the dust cap 132 is provided with a connection hole, and an inner circumference of the connection hole is welded to an outer circumference of the first connection part 111. Through set up the connecting hole on dust cover 132, rings 11 are connected with dust cover 13, and the inner periphery of connecting hole and the periphery welded fastening of first connecting portion 111, because connecting hole and first connecting portion 111 mutually support, the connecting hole can fix a position the dust cover 13 with the connection of rings 11, improves the product uniformity. Simultaneously, the inner periphery of connecting hole includes bottom and lateral wall all and welds with first connecting portion 111, has guaranteed the joint strength of dust cover 13 and rings 11, makes dust cover 13 and rings 11 be connected firmly.
According to some embodiments of the present utility model, as shown in fig. 1 and 3, the shock absorber assembly 1 further includes a shock absorber tube 14, a compression chamber is formed in the shock absorber tube 14, and the other end of the piston rod 12 is accommodated in the compression chamber. The compression cavity is formed in the damper cylinder 14, oil is contained in the compression cavity, the other end of the piston rod 12 is a connecting end connected with the oil seal guide seat assembly and is contained in the compression cavity, when the vehicle body and the vehicle frame vibrate to generate relative motion, the piston on the piston rod 12 moves back and forth, so that the motion of the oil is driven, damping force is formed by friction between the inner wall of the compression cavity and the oil and internal friction between oil molecules, so that vehicle vibration energy is converted into oil heat energy, and the oil heat energy is absorbed and emitted into the atmosphere by the damper assembly 1.
According to some embodiments of the present utility model, a first limiting portion is disposed on the other end of the piston rod 12, and a second limiting portion is disposed on the inner peripheral wall of the compression chamber, and the first limiting portion and the second limiting portion are adapted to limit the movement stroke of the piston rod 12 in the axial direction. When the piston rod 12 moves towards the direction of the oil seal guide seat, the first limiting part and the second limiting part are matched to be mutually locked, so that the piston rod 12 is limited to move towards the direction of the oil seal guide seat, and abrasion caused by the fact that the piston rod 12 extrudes the oil seal guide seat due to excessive movement of the piston rod 12 is avoided, and the durability of the shock absorber assembly 1 is ensured.
According to some embodiments of the utility model, the outer periphery of the other end of the piston rod 12 is provided with a seal, which abuts against the inner wall of the compression chamber. By arranging the sealing element on the periphery of the piston rod 12, the sealing element can seal the gap between the piston rod 12 and the compression cavity, so that the oil and gas on two sides of the sealing element are completely separated, and the damping performance of the damper assembly 1 is ensured.
In some embodiments, the gasket is a rubber gasket that has a cushioning effect on the movement of the piston rod 12.
According to some embodiments of the utility model, the hanging ring 11 is provided with a bushing, and the inside of the bushing is provided with a connecting hole. The piston rod 12 is connected with the lifting ring 11 through the bushing, the bushing has flexibility, abrasion of the piston rod 12 and the lifting ring 11 can be reduced, and the bushing is internally provided with a buffer structure, so that vibration can be absorbed, and the comfort performance of a vehicle is improved.
The vehicle according to the present utility model is briefly described below.
The vehicle according to the present utility model includes the shock absorber assembly 1 described in any one of the embodiments described above. Since the vehicle according to the present utility model includes the shock absorber assembly 1 described in any one of the above embodiments, the connection of the piston rod 12 and the suspension ring 11 is convenient and reliable when the vehicle according to the present utility model is assembled with the shock absorber, the assembling speed is high, and the sealing performance of the dust cover 13 is good, and the quality reliability of the piston rod 12 is high, so that the shock absorbing performance of the vehicle is good.
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.
In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.
In the description of the present utility model, "plurality" means two or more.
In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.
In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A shock absorber assembly for a vehicle, comprising:
the end part of the lifting ring is provided with a first connecting part;
a piston rod having one end adapted to mate with the first connection portion;
the dustproof cover is provided with a second connecting portion, and the second connecting portion is suitable for being welded and fixed with the first connecting portion.
2. The shock absorber assembly for a vehicle of claim 1, wherein said first connection portion has a first thread formed thereon, and wherein said piston rod has an engagement section at one end thereof, and wherein said engagement section has a second thread adapted to engage said first thread.
3. The shock absorber assembly for a vehicle of claim 2, wherein said first connection portion is configured as a connection block having a connection hole adapted to receive said mating segment, said connection hole having said first thread disposed on an inner wall thereof.
4. The shock absorber assembly for a vehicle of claim 2, wherein said dust cover comprises:
the dustproof cover is configured to be the second connecting part and is suitable for being welded and fixed with the first connecting part;
the cover body is connected with the dustproof cover cap and covers at least part of the periphery of the piston rod.
5. The shock absorber assembly for a vehicle according to claim 4, wherein the dust cover is provided with a connection hole, and an inner periphery of the connection hole is welded to an outer periphery of the first connection portion.
6. The shock absorber assembly for a vehicle of claim 1, further comprising:
the shock absorber comprises a shock absorber cylinder body, wherein a compression cavity is formed in the shock absorber cylinder body, and the other end of the piston rod is accommodated in the compression cavity.
7. The shock absorber assembly for a vehicle according to claim 6, wherein a first stopper portion is provided on the other end of the piston rod, a second stopper portion is provided on the inner peripheral wall of the compression chamber, and the first stopper portion and the second stopper portion are adapted to restrict a movement stroke of the piston rod in the axial direction.
8. The shock absorber assembly for a vehicle according to claim 6, wherein an outer periphery of the other end of said piston rod is provided with a seal which abuts against an inner wall of said compression chamber.
9. The shock absorber assembly for a vehicle of claim 1, wherein a bushing is provided on the suspension ring, and a connection hole is provided inside the bushing.
10. A vehicle comprising a shock absorber assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320045421.0U CN219529692U (en) | 2023-01-06 | 2023-01-06 | Shock absorber assembly for vehicle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320045421.0U CN219529692U (en) | 2023-01-06 | 2023-01-06 | Shock absorber assembly for vehicle and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219529692U true CN219529692U (en) | 2023-08-15 |
Family
ID=87582398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320045421.0U Active CN219529692U (en) | 2023-01-06 | 2023-01-06 | Shock absorber assembly for vehicle and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219529692U (en) |
-
2023
- 2023-01-06 CN CN202320045421.0U patent/CN219529692U/en active Active
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| GR01 | Patent grant |