CN209856295U - Automobile shock absorber with dust prevention function - Google Patents
Automobile shock absorber with dust prevention function Download PDFInfo
- Publication number
- CN209856295U CN209856295U CN201920209719.4U CN201920209719U CN209856295U CN 209856295 U CN209856295 U CN 209856295U CN 201920209719 U CN201920209719 U CN 201920209719U CN 209856295 U CN209856295 U CN 209856295U
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- CN
- China
- Prior art keywords
- cover
- cylinder body
- cover ring
- shock absorber
- piston rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a take dirt-proof automobile shock absorber ware of bumper shock absorber technical field. The shock absorber comprises a base, wherein a cylinder body is fixed at the top of the base, a piston rod is arranged in the cylinder body, the lower end of the piston rod is inserted into the cylinder body, a pressing plate is arranged at the upper end of the piston rod, a dust cover is arranged between the pressing plate and the upper end of the cylinder body at the periphery of the piston rod, and a buffer spring sleeved on the dust cover and the periphery of the cylinder body is arranged between the pressing plate and the base; the method is characterized in that: the dustproof cover comprises a plurality of annular cover rings which are arranged up and down and made of rubber materials, the diameter of each cover ring is reduced from the middle to two ends, and the cover rings are arranged into folds arranged along the circumferential direction and extend along the longitudinal direction; the pressing plate is provided with an upper positioning assembly convenient for installation of the cover ring, and the cylinder body is provided with a lower positioning assembly convenient for installation of the cover ring. The utility model has the advantages that can adjust the dust cover size, easy to assemble.
Description
Technical Field
The utility model relates to a bumper shock absorber technical field, in particular to take dirt-proof automobile shock absorber ware.
Background
In the driving process of an automobile, particularly, a suspension system is impacted by a road surface and the like to generate vibration, and in order to overcome the vibration in the driving process and improve the comfort performance, a shock absorber is widely used in the suspension system in the existing automobile. The shock absorber in the field of automobiles is a hydraulic shock absorber, the working principle of the hydraulic shock absorber is that when a vehicle body and a vehicle axle vibrate to generate relative motion, a piston rod in the shock absorber moves up and down in a cylinder body, shock absorption oil in the cylinder body repeatedly flows into another cavity from one cavity through a hole, and at the moment, the friction between a hole wall and oil and the friction between oil molecules form damping force on vibration, so that the shock absorption purpose is realized. However, most shock absorbers in the prior art are installed in an exposed manner, dust or silt is easily deposited on a piston rod, the damage to the piston rod is caused, and the service life of the shock absorber is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can adjust dustproof automobile shock absorber ware in area of dust cover size.
In order to realize the utility model discloses the purpose, the utility model discloses take following technical scheme that dirt-proof automobile shock absorber ware adopted:
a dustproof automobile shock absorber comprises a base, wherein a cylinder body is fixed to the top of the base, a piston rod is arranged in the cylinder body, the lower end of the piston rod is inserted into the cylinder body, a pressing plate is arranged at the upper end of the piston rod, a dustproof cover is arranged between the pressing plate and the upper end of the cylinder body at the periphery of the piston rod, and a buffer spring sleeved on the periphery of the dustproof cover and the periphery of the cylinder body is arranged between the pressing plate and the base; the dustproof cover comprises a plurality of annular cover rings which are arranged up and down and made of rubber materials, the diameter of each cover ring is reduced from the middle to two ends, and the cover rings are arranged into folds arranged along the circumferential direction and extend along the longitudinal direction; the pressing plate is provided with an upper positioning assembly convenient for installation of the cover ring, and the cylinder body is provided with a lower positioning assembly convenient for installation of the cover ring.
Preferably, the diameters of the upper end and the lower end of each cover ring are the same, the lower end inner wall of each cover ring is provided with a lower soft magnetic strip attached to the fold, and the upper end inner wall of each cover ring is provided with an upper soft magnetic strip attached to the fold and repellent to the lower soft magnetic strip in the same polarity. Through last soft magnetic strip and soft magnetic strip's setting down, prevent the excessive compressive deformation of dust cover, improve the elasticity of dust cover, when the effect of effort constantly compresses the dust cover, go up soft magnetic strip and soft magnetic strip down and be close to each other and produce the repulsion force, continue to compress for the dust cover and provide the resistance, prevent the excessive compressive deformation of dust cover, further prevent the excessive compressive deformation of buffer spring.
Preferably, the upper positioning assembly comprises an upper positioning hole arranged at the lower end of the abutting plate, an upper magnet is arranged in the upper positioning hole, and an upper positioning block attracted with the upper magnet is arranged on the outer wall of the end part of the cover ring.
Preferably, the lower positioning assembly comprises a lower positioning hole arranged at the upper end of the cylinder body, a lower magnet is arranged in the lower positioning hole, and a lower positioning block attracted with the lower magnet is arranged on the outer wall of the end part of the cover ring.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses a set up the dust cover that can radially adjust, set up the cover circle into the fold that arranges along circumference and along longitudinal extension for the diameter of cover circle can fold or expand along the fold, the cover circle wholly contracts after the fold folding, the cover circle diameter at this moment diminishes, the whole grow of cover circle after the fold expandes, the cover circle diameter at this moment enlarges, according to changing the cover circle different diameter size with its adaptation on different specification and dimension's cylinder body;
2. the utility model discloses a dust cover is made by the rubber material, has elasticity, the compressive deformation of being convenient for to, the dust cover includes a plurality of annular cover rings, and the diameter of cover ring is dwindled to both ends by the centre, makes things convenient for cover ring compressive deformation, makes the dust cover provide the buffering shock attenuation effect when providing dirt-proof, simultaneously, fixes a position the dust cover through setting up locating component and locating component down, makes the dust cover can not produce radial drunkenness in compression process.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is an enlarged view of a portion C of fig. 1.
The device comprises a pressing plate 1, a dust cover 2, a cover ring 21, a soft magnetic strip 22, a buffer spring 3, an upper positioning hole 4, an upper magnet 5, an upper positioning block 6, a lower positioning hole 7, a lower magnet 8, a lower positioning block 9, a cylinder body 10, a piston rod 11 and a base 12.
Detailed Description
The present invention will be further explained with reference to the following embodiments, which are to be understood as illustrative only and not as limiting the scope of the invention, and modifications of the various equivalent forms of the present invention by those skilled in the art after reading the present invention fall within the scope of the appended claims.
As shown in fig. 1-4, a dustproof automobile shock absorber comprises a base 12, a cylinder body 10 is fixed on the top of the base 12, a piston rod 11 is arranged in the cylinder body 10, the lower end of the piston rod 11 is inserted into the cylinder body 10, a pressing plate 1 is arranged at the upper end of the piston rod 11, a dustproof cover 2 is arranged between the pressing plate 1 and the upper end of the cylinder body 10 at the periphery of the piston rod 11, and a buffer spring 3 sleeved on the dustproof cover 2 and the periphery of the cylinder body 10 is arranged between the pressing plate 1 and the base 12; the dust cover 2 comprises a plurality of annular cover rings 21 which are arranged up and down and made of rubber materials, the diameter of each cover ring 21 is reduced from the middle to two ends, and the cover rings 21 are arranged into folds arranged along the circumferential direction and extend along the longitudinal direction; the diameters of the upper end and the lower end of each cover ring 21 are the same, the lower end inner wall of each cover ring 21 is provided with a lower soft magnetic strip 22 attached to the fold, and the upper end inner wall of each cover ring 21 is provided with an upper soft magnetic strip which is attached to the fold and is like poles of the lower soft magnetic strip 22 to repel; the pressing plate 1 is provided with an upper positioning assembly convenient for mounting the cover ring 21, the upper positioning assembly comprises an upper positioning hole 4 arranged at the lower end of the pressing plate 1, an upper magnet 5 is arranged in the upper positioning hole 4, and the outer wall of the end part of the cover ring 21 is provided with an upper positioning block 6 attracted with the upper magnet 5; the cylinder body 10 is provided with a lower positioning component which is convenient for the installation of the cover ring 21, the lower positioning component comprises a lower positioning hole 7 arranged at the upper end of the cylinder body 10, a lower magnet 8 is arranged in the lower positioning hole 7, and the outer wall of the end part of the cover ring 21 is provided with a lower positioning block 9 which is attracted with the lower magnet 8.
The utility model discloses a concrete working process and principle: during installation, the diameter of the dust cover 2 is adjusted in the radial direction through the folds, the cover ring 21 shrinks integrally after the folds are folded, the diameter of the cover ring 21 is reduced, the cover ring 21 becomes larger after the folds are unfolded, the diameter of the cover ring 21 becomes larger at the moment, the cover ring 21 is adapted to cylinder bodies 10 of different specifications and sizes according to different diameters of the cover ring 21, the upper positioning block 6 is inserted into the upper positioning hole 4 of the pressing plate 1 through the arrangement of the upper positioning component, the upper positioning block 6 is attracted and positioned with the upper magnet 5 in the upper positioning hole 4, then the lower positioning block 9 is inserted into the lower positioning hole 7 of the cylinder body 10 through the arrangement of the lower positioning component, the lower positioning block 9 is attracted and positioned with the lower magnet 8 in the lower positioning hole 7, so that the dust cover 2 is stably installed between the pressing plate 1 and the cylinder body 10, the piston rod 11 is covered into the dust cover 2, and; at this moment, dust cover 2 is made by the rubber material, has elasticity, the compressive deformation of being convenient for to, dust cover 2 includes a plurality of annular cover rings 21, and the diameter of cover ring 21 is dwindled to both ends by the centre, makes things convenient for cover ring 21 compressive deformation, makes dust cover 2 provide the buffering shock attenuation effect when providing dirt-proofly, under buffer spring 3, dust cover 2, cylinder body 10 synergism, has fine dustproof shock attenuation effect.
Claims (4)
1. A dustproof automobile shock absorber comprises a base, wherein a cylinder body is fixed to the top of the base, a piston rod is arranged in the cylinder body, the lower end of the piston rod is inserted into the cylinder body, a pressing plate is arranged at the upper end of the piston rod, a dustproof cover is arranged between the pressing plate and the upper end of the cylinder body at the periphery of the piston rod, and a buffer spring sleeved on the periphery of the dustproof cover and the periphery of the cylinder body is arranged between the pressing plate and the base; the method is characterized in that: the dustproof cover comprises a plurality of annular cover rings which are arranged up and down and made of rubber materials, the diameter of each cover ring is reduced from the middle to two ends, and the cover rings are arranged into folds arranged along the circumferential direction and extend along the longitudinal direction; the pressing plate is provided with an upper positioning assembly convenient for installation of the cover ring, and the cylinder body is provided with a lower positioning assembly convenient for installation of the cover ring.
2. The automobile shock absorber with dust prevention of claim 1, wherein: the diameters of the upper end and the lower end of each cover ring are the same, the lower end inner wall of each cover ring is provided with a lower soft magnetic strip attached to the folds, and the upper end inner wall of each cover ring is provided with an upper soft magnetic strip attached to the folds and repellent to the lower soft magnetic strip in the same polarity.
3. The automobile shock absorber with dust prevention of claim 1, wherein: the upper positioning assembly comprises an upper positioning hole arranged at the lower end of the abutting plate, an upper magnet is arranged in the upper positioning hole, and an upper positioning block attracted with the upper magnet is arranged on the outer wall of the end part of the cover ring.
4. The automobile shock absorber with dust prevention of claim 1, wherein: the lower positioning assembly comprises a lower positioning hole arranged at the upper end of the cylinder body, a lower magnet is arranged in the lower positioning hole, and a lower positioning block attracted with the lower magnet is arranged on the outer wall of the end part of the cover ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920209719.4U CN209856295U (en) | 2019-02-19 | 2019-02-19 | Automobile shock absorber with dust prevention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920209719.4U CN209856295U (en) | 2019-02-19 | 2019-02-19 | Automobile shock absorber with dust prevention function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209856295U true CN209856295U (en) | 2019-12-27 |
Family
ID=68931704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920209719.4U Expired - Fee Related CN209856295U (en) | 2019-02-19 | 2019-02-19 | Automobile shock absorber with dust prevention function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209856295U (en) |
-
2019
- 2019-02-19 CN CN201920209719.4U patent/CN209856295U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 Termination date: 20210219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |