CN219827565U - Cylinder type magnetic shock absorber - Google Patents
Cylinder type magnetic shock absorber Download PDFInfo
- Publication number
- CN219827565U CN219827565U CN202322397017.2U CN202322397017U CN219827565U CN 219827565 U CN219827565 U CN 219827565U CN 202322397017 U CN202322397017 U CN 202322397017U CN 219827565 U CN219827565 U CN 219827565U
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- CN
- China
- Prior art keywords
- cylinder
- oil storage
- cylinder body
- shock absorber
- piston rod
- Prior art date
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- 230000035939 shock Effects 0.000 title claims abstract description 32
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 30
- 238000003860 storage Methods 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000013016 damping Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 30
- 239000007789 gas Substances 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model relates to a cylinder type magnetic shock absorber which comprises a damper, wherein the damper comprises an oil storage cylinder, a piston assembly and a piston rod, the piston assembly is positioned in the oil storage cylinder, the lower end of the piston rod is connected with the piston assembly, the upper end of the piston rod extends out of a cylinder body, the cylinder comprises a cylinder body, the lower end of the cylinder body is opened and sleeved with the periphery of the oil storage cylinder, the cylinder body and the oil storage cylinder are in sliding sealing assembly, and the piston rod is fixed with the upper end of the cylinder body. Through collocating a cylinder at the attenuator, not only can reach multistage damping adjustment's effect, the cylinder can bear higher pressure moreover, can satisfy the requirement of controlling the cross-country vehicle and upwards jump the action and bear higher impact force in the use.
Description
Technical Field
The utility model relates to the technical field of shock absorbers, in particular to a cylinder type magnetic variation shock absorber.
Background
The patent of the utility model of the issued publication No. CN213332180U discloses an automobile shock absorber with adjustable hardness, which comprises a cylinder body and a piston assembly, wherein one end of the piston assembly is connected with a piston rod, the piston rod is provided with a shell with a cavity structure, an electromagnet is arranged in the shell, and a wire connected with the electromagnet passes through the piston rod. The electromagnet generates a magnetic field to adsorb the iron powder mixed in the hydraulic oil after being electrified, a certain blocking is formed on the piston hole, the moving resistance of the piston assembly in the hydraulic oil is increased, the magnetic field intensity of the electromagnet can be increased by increasing the current of the electromagnet, the greater the moving resistance of the piston assembly in the hydraulic oil is, and the harder the automobile shock absorber is. The current of the electromagnet can be adjusted to adjust the softness of the electromagnet.
The patent publication No. CN115489249B discloses a suspension control system based on a magneto-rheological damper, which comprises a damper and an air spring, wherein the air spring is additionally arranged on the existing damper, the lower part of the air spring is fixed on the periphery of a cylinder body (namely an oil storage cylinder), and a piston rod passes through the air spring and is in sliding sealing fit with the air spring. Through setting up air spring for shock mitigation system possesses more regulation modes, improves the shock attenuation effect. For off-road vehicles (e.g., off-road motorcycles), the performance of the shock absorber is critical. When controlling the off-road vehicle and carrying out the action of jumping up, need with the help of the bumper shock absorber, nevertheless to the air spring quick inflation so that jack-up the automobile body, the bumper shock absorber also bears great impact force when the vehicle falls down, but the material of air spring is rubber, and bearing capacity is limited, and consequently the applicable scene is limited, is fit for the scene that the damping force demand is not too big.
Disclosure of Invention
The utility model aims to provide a cylinder type magnetic shock absorber which has the performance of being capable of bearing higher impact force.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the cylinder type magnetic shock absorber comprises a damper, wherein the damper comprises an oil storage cylinder, a piston assembly and a piston rod, the piston assembly is positioned in the oil storage cylinder, the lower end of the piston rod is connected with the piston assembly, the upper end of the piston rod extends out of a cylinder body, the cylinder comprises a cylinder body, the lower end of the cylinder body is opened and sleeved with the periphery of the oil storage cylinder, the cylinder body and the oil storage cylinder are in sliding sealing assembly, and the piston rod is fixed with the upper end of the cylinder body.
Further, the piston assembly comprises a shell and an electromagnet arranged in the shell, the piston rod is of a hollow structure, the upper end of the piston rod extends out of the upper end of the cylinder body, and a wire connected with the electromagnet passes through the piston rod.
Further, a sealing ring groove is formed in the inner wall of the lower end of the cylinder body, a sealing ring is arranged in the sealing ring groove, and sealing fit with the oil storage cylinder is achieved through the sealing ring.
Further, a guide sleeve is arranged on the inner wall of the lower end of the cylinder body, and the cylinder body is in sliding fit with the oil storage cylinder through the guide sleeve.
Further, the guide sleeve is made of copper materials.
Further, the cylinder is provided with an air tap, and the air tap is arranged on one side of the cylinder body far away from the oil storage cylinder.
Further, the piston assembly divides the inner part of the oil storage cylinder into an upper cavity and a lower cavity, the lower cavity is communicated with a buffer cylinder, the buffer cylinder is positioned on the outer side of the oil storage cylinder, a baffle plate is arranged in the buffer cylinder and is assembled in a floating mode, the baffle plate divides the buffer cylinder into a liquid cavity and a gas cavity, and the liquid cavity is communicated with the lower cavity.
Further, the lower extreme of oil storage section of thick bamboo is equipped with first connecting portion, and the cylinder body upper end is equipped with second connecting portion.
The utility model has the beneficial effects that:
an air cylinder is arranged on the basis of the existing damper, the cylinder body of the air cylinder is assembled with an oil storage cylinder of the damper in a sliding sealing mode, and the air cylinder is inflated and deflated to achieve the effect of multistage damping adjustment. The vehicle has better driving comfort. The main characteristics are that the cylinder is the metal material preparation, compares the air spring of rubber material and can bear higher pressure, consequently the cylinder can be inflated to higher pressure fast, and high atmospheric pressure makes the cylinder act upwards fast, can satisfy the requirement of controlling the cross country vehicle and upwards jump the action, has improved the maneuverability of vehicle. After the vehicle lands, the cylinder can also bear higher impact force.
When the air cylinder acts, the guide sleeve is in guide fit with the oil storage cylinder, so that the whole shock absorber is not easy to roll in the use process, the purpose of preventing the vehicle from rolling is achieved, and the stability of the vehicle is improved.
Drawings
FIG. 1 is an external view of a cylinder type magnetic shock absorber according to the present utility model;
FIG. 2 is a cross-sectional view (partially cut away) of a cylinder type magnetic shock absorber of the present utility model;
FIG. 3 is a partial schematic view of the cylinder of FIG. 2 in combination with a reservoir;
FIG. 4 is an external view of another embodiment of the cylinder type magnetic shock absorber of the present utility model;
fig. 5 is a side view of the upper end of fig. 4.
Name corresponding to each label in the figure:
1. a damper; 11. an oil storage cylinder; 12. a piston rod; 13. a piston assembly; 2. a cylinder; 21. a cylinder; 3. a buffer tube; 4. an air tap; 5. a second connecting portion; 51. a connection hole; 6. a first connection portion; 7. a guide sleeve; 8. and (3) sealing rings.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
Embodiments of the utility model:
as shown in fig. 1-3, the cylinder type magnetic shock absorber comprises a damper 1, wherein the damper 1 comprises an oil storage cylinder 11, a piston assembly 13 and a piston rod 12, the piston assembly 13 is positioned in the oil storage cylinder 11, and the piston assembly 13 divides the interior of the oil storage cylinder 11 into an upper cavity and a lower cavity. The piston assembly 13 includes a housing and an electromagnet (not shown) disposed in the housing, defining a longitudinal direction of the piston rod 12 as an up-down direction, and a lower end of the piston rod 12 is connected to the piston assembly 13. The piston rod 12 is of a hollow structure, and a wire connected with the electromagnet passes through the piston rod 12. The magnetorheological oil containing iron powder is filled in the oil storage cylinder 11, and the damping force of the damper 1 is adjusted by changing the current of the electromagnet, so that the technical principle is that the patent cited by the background art has been disclosed, and the description is omitted.
The cylinder type magnetic shock absorber further comprises a cylinder 2, the cylinder 2 comprises a cylinder body 21, the lower end of the cylinder body 21 is opened and sleeved with the periphery of the oil storage cylinder 11, the shapes of the cylinder body 21 and the oil storage cylinder 11 are cylindrical, and the cylinder body 21 and the oil storage cylinder 11 are in sliding sealing assembly. The upper end of the piston rod 12 extends from the cylinder 21, and the piston rod 12 is fixed to the upper end of the cylinder 21.
The upper end of the piston rod 12 protrudes from the upper end of the cylinder 21 so as to draw out the lead wire. When the cylinder 2 is operated, the piston rod 12 can be driven to operate.
The inner wall of the lower end of the cylinder body 21 is provided with an annular sealing ring groove, the sealing ring groove is provided with a sealing ring 8, the sealing ring 8 adopts an existing O-shaped ring, and the sealing fit with the oil storage cylinder 11 is realized through the sealing ring 8. The sealing ring can be provided with two sealing rings according to the requirement, so that the sealing performance is improved.
The inner wall of the lower end of the cylinder body 21 is provided with a guide sleeve 7, and the cylinder body 21 is in sliding fit with the oil storage cylinder 11 through the guide sleeve 7. The guide sleeve 7 is made of copper material, and has good wear resistance. The cylinder body 21 is provided with a ring groove at the position corresponding to the guide sleeve 7, the guide sleeve 7 is embedded in the ring groove by utilizing the principle of thermal expansion and cold contraction, and the guide sleeve 7 is in contact fit with the periphery of the oil storage cylinder 11 in the actual working process of the shock absorber.
The cylinder 2 is provided with an air tap 4, and the air tap 4 is arranged on one side of the cylinder body 21 far away from the oil storage cylinder 11. The air tap 4 is connected with a high-pressure air tank through a pipeline to charge and discharge air to the air cylinder 2. The cylinder 2 can be rapidly inflated by using the high-pressure air tank, the exhaust valve is arranged on the pipeline, the exhaust is carried out under the control of the control system, and the cylinder slides downwards under the external acting force after pressure relief. The air pump is connected with the high-pressure air tank through a pipeline to supplement air for the high-pressure air tank.
The lower end of the oil storage cylinder 11 is provided with a first connecting part 6, and the upper end of the cylinder body 21 is provided with a second connecting part 5. In this embodiment, the first connecting portion 6 and the second connecting portion 5 are connecting sleeves, and can be connected to the vehicle through a pin shaft or a bolt. The wire connected with the electromagnet needs to be routed, and a side hole can be arranged on the second connecting part 5 for the wire to pass through. For easy threading, the second connecting portion 5 may be manufactured separately and then fixed to the cylinder 21 by welding after threading.
In this embodiment, the center lines of the holes of the first connecting portion 6 and the second connecting portion 5 are parallel, that is, the directions of the holes are consistent, and in other embodiments, the center lines of the holes of the first connecting portion and the second connecting portion are perpendicular to adapt to the connecting structure on the vehicle.
In other embodiments, the structures of the first connecting portion 6 and the second connecting portion 5 may be adjusted according to the different mounting structures of the vehicle, as shown in fig. 4-5, the second connecting portion 5 is configured as a U-shaped connecting plate, and the two side plates of the U-shaped connecting plate are each provided with a connecting hole 51, and the center line of the connecting hole 51 is along the thickness direction of the side plate.
Further, a buffer cylinder 3 is further arranged on one outer side of the oil storage cylinder 11, and a lower cavity of the oil storage cylinder 11 is communicated with the buffer cylinder 3. The buffer cylinder 3 is internally provided with a baffle plate which is assembled in a floating way, the baffle plate divides the buffer cylinder 3 into a liquid cavity and a gas cavity, and the liquid cavity is communicated with the lower cavity. The gas chamber is filled with nitrogen.
The working principle and the characteristics of the cylinder type magnetic shock absorber are as follows:
in use, the two ends of the shock absorber are respectively connected at corresponding positions of the vehicle, such as the motorcycle front fork. The damping force of the damper 1 can be adjusted and the hardness can be adjusted by controlling the electrifying current of the electromagnet in the piston assembly 13; in general, by inflating and deflating the cylinder 2, the effect of multistage damping adjustment is achieved, similar to the arrangement of an air spring on the damper 1, where it is ensured that the vehicle has a good comfort. The air cylinder 2 can be rapidly inflated through the high-pressure air tank, the air cylinder 2 is made of metal materials and can bear higher pressure, the air cylinder 2 can rapidly move upwards due to high air pressure, the requirement of upward jumping action of an off-road vehicle can be met, and the operability of the vehicle is improved. The cylinder 2 can also withstand high impact forces after the vehicle has landed. In addition, when the cylinder 2 acts, the guide sleeve 7 made of copper is in guide fit with the oil storage cylinder 11, so that the whole shock absorber is not easy to roll in the use process, and the stability of the vehicle is improved.
Claims (8)
1. The utility model provides a cylinder formula magnetic shock absorber, includes the attenuator, and the attenuator includes oil storage section of thick bamboo, piston assembly, piston rod, and piston assembly is arranged in the oil storage section of thick bamboo, and the piston rod lower extreme is connected with piston assembly, and piston rod upper end stretches out its characterized in that from the cylinder body: the cylinder comprises a cylinder body, the lower end of the cylinder body is opened and sleeved with the periphery of the oil storage cylinder, the cylinder body and the oil storage cylinder are in sliding seal assembly, and a piston rod is fixed with the upper end of the cylinder body.
2. The cylinder type magnetic shock absorber according to claim 1, wherein: the piston assembly comprises a shell and an electromagnet arranged in the shell, the piston rod is of a hollow structure, the upper end of the piston rod extends out of the upper end of the cylinder body, and a wire connected with the electromagnet passes through the piston rod.
3. The cylinder type magnetic shock absorber according to claim 1, wherein: the inner wall of the lower end of the cylinder body is provided with a sealing ring groove, the sealing ring groove is provided with a sealing ring, and the sealing fit with the oil storage cylinder is realized through the sealing ring.
4. A cylinder type magnetic shock absorber according to claim 3, wherein: the inner wall of the lower end of the cylinder body is provided with a guide sleeve, and the cylinder body is in sliding fit with the oil storage cylinder through the guide sleeve.
5. The cylinder type magnetic shock absorber according to claim 4, wherein: the guide sleeve is made of copper materials.
6. The cylinder type magnetic shock absorber according to claim 1, wherein: the cylinder is provided with an air tap which is arranged on one side of the cylinder body far away from the oil storage cylinder.
7. The cylinder type magnetic shock absorber according to any one of claims 1 to 6, wherein: the piston assembly divides the inner part of the oil storage cylinder into an upper cavity and a lower cavity, the lower cavity is communicated with a buffer cylinder, the buffer cylinder is positioned at the outer side of the oil storage cylinder, a baffle plate is arranged in the buffer cylinder and is assembled in a floating mode, the baffle plate divides the buffer cylinder into a liquid cavity and a gas cavity, and the liquid cavity is communicated with the lower cavity.
8. The cylinder type magnetic shock absorber according to any one of claims 1 to 6, wherein: the lower extreme of an oil storage section of thick bamboo is equipped with first connecting portion, and the cylinder body upper end is equipped with second connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322397017.2U CN219827565U (en) | 2023-09-05 | 2023-09-05 | Cylinder type magnetic shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322397017.2U CN219827565U (en) | 2023-09-05 | 2023-09-05 | Cylinder type magnetic shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219827565U true CN219827565U (en) | 2023-10-13 |
Family
ID=88277484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322397017.2U Active CN219827565U (en) | 2023-09-05 | 2023-09-05 | Cylinder type magnetic shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219827565U (en) |
-
2023
- 2023-09-05 CN CN202322397017.2U patent/CN219827565U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |