CN220726955U - Double-cylinder type automobile shock absorber - Google Patents
Double-cylinder type automobile shock absorber Download PDFInfo
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- CN220726955U CN220726955U CN202322516089.4U CN202322516089U CN220726955U CN 220726955 U CN220726955 U CN 220726955U CN 202322516089 U CN202322516089 U CN 202322516089U CN 220726955 U CN220726955 U CN 220726955U
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- oil storage
- cylinder
- piston
- damping
- auxiliary
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- 230000035939 shock Effects 0.000 title claims abstract description 57
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 25
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
- 238000013016 damping Methods 0.000 claims description 53
- 230000007246 mechanism Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims 3
- 238000010521 absorption reaction Methods 0.000 abstract description 12
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model relates to the technical field of automobile shock absorbers and discloses a double-cylinder type automobile shock absorber, wherein a shock absorption piston rod is movably arranged on the top side of a main oil storage cylinder, a shock absorption component is arranged on the upper portion of the shock absorption piston rod, a main oil storage cavity is arranged in the main oil storage cylinder, a nitrogen cavity and an auxiliary oil storage cavity are arranged in an auxiliary oil storage cylinder, the main oil storage cavity is communicated with the main oil storage cavity through a metal oil pipe, a barrel core of the shock absorber is composed of the main oil storage cylinder and the auxiliary oil storage cylinder, the main oil storage cylinder and the auxiliary oil storage cylinder are communicated through the metal oil pipe, the piston rod component and other parts are arranged on the upper portion of the main oil storage cylinder, the storage quantity of oil is increased through a double-oil cylinder structure, and when the shock absorption work is performed, the heat dissipation performance of the barrel core is better due to the increase of the oil quantity in the barrel core, and the time is required for the increase of the shock absorption temperature to the failure temperature of the oil, and the stability and the durability of the shock absorption work are improved.
Description
Technical Field
The utility model relates to the technical field of automobile shock absorbers, in particular to a double-cylinder type automobile shock absorber.
Background
The vibration damper is generally composed of a tower top, a barrel core and a vibration damping spiral sleeve, and is mainly used for inhibiting vibration and impact from a road surface when the spring rebounds after absorbing vibration. When the shock absorbing spring passes over uneven road, the shock absorbing spring can filter the vibration of the road, but the spring can reciprocate, and the shock absorber is used for restraining the spring from jumping, wherein the working principle of the barrel core is as follows: the damping oil and the piston rod assembly are arranged in the barrel core, the piston rod assembly is composed of the piston rod and the piston, the piston rod drives the piston to move in the barrel core, damping can be generated between the piston and the piston when the piston moves in the damping oil, the damping force and the heat dissipation performance of the barrel core can be directly influenced by the content of the damping oil in the barrel core, and the more the oil quantity, the good heat dissipation performance and the more stable the damping performance are.
The existing shock absorber mostly adopts a single-cylinder structure, namely, a cylinder core is composed of a piston rod assembly and an oil cylinder, a floating piston assembly is arranged in the oil cylinder, a piston Fang Chuyou is arranged in the oil cylinder, and the lower part of the oil cylinder is inflated.
Disclosure of Invention
The present utility model is directed to a dual-cylinder type shock absorber for an automobile, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the double-cylinder type automobile shock absorber comprises a main cylinder mechanism, an auxiliary cylinder mechanism and a metal oil pipe, wherein the main cylinder mechanism comprises a main oil storage cylinder, a shock absorption piston rod, an upper end sealing cover and a lower end sealing cover, the shock absorption piston rod is movably arranged on the top side of the main oil storage cylinder, a shock absorption component is arranged on the upper part of the shock absorption piston rod, and a main oil storage cavity is arranged in the main oil storage cylinder;
the auxiliary cylinder mechanism comprises an auxiliary oil storage cylinder, a floating piston and an auxiliary cylinder piston, a nitrogen cavity and an auxiliary oil storage cavity are arranged in the auxiliary oil storage cylinder, and the main oil storage cavity is communicated with the main oil storage cavity through a metal oil pipe.
Preferably, the upper end sealing cover is fixed at the top end of the main oil storage cylinder, the damping piston rod movably penetrates through the middle of the upper end sealing cover, the bottom end of the damping piston rod is fixedly provided with a main cylinder piston, the main cylinder piston is slidably connected inside the main oil storage cavity, and the damping piston rod is movably connected to the upper part of the main oil storage cylinder through the main cylinder piston.
Preferably, the damping assembly comprises a damping support, a damping spring and a damping block, wherein the damping support is connected to the top end of the damping piston rod, the damping spring is sleeved outside the damping piston rod, and the damping block is sleeved on the upper portion of the damping piston rod.
Preferably, the lower end sealing cover is fixed at the bottom end of the main oil storage cylinder, a first interface is arranged on one side of the lower end sealing cover and communicated with one side end of the metal oil pipe, a second interface is arranged on the side surface of the lower part of the floating piston and communicated with the other side end of the metal oil pipe.
Preferably, the floating piston and the slave cylinder piston are both movably connected to the inside of the slave cylinder, and the floating piston is located above the slave cylinder piston.
Preferably, the nitrogen chamber is arranged at the top side of the floating piston, nitrogen is filled in the nitrogen chamber, the auxiliary oil storage chamber is arranged between the floating piston and the auxiliary cylinder piston, and damping oil is filled in the main oil storage chamber and the auxiliary oil storage chamber.
Compared with the prior art, the technical scheme provided by the utility model has the following technical effects:
the utility model provides a double-cylinder type automobile shock absorber, wherein a barrel core of the shock absorber consists of a main oil storage cylinder and an auxiliary oil storage cylinder, the main oil storage cylinder and the auxiliary oil storage cylinder are communicated through a metal oil pipe, parts such as a piston rod assembly and the like are arranged on the upper part of the main oil storage cylinder, the auxiliary oil storage cylinder is used for auxiliary buffering, and is equivalent to combining two independent oil storage cylinders into a large oil storage cylinder, wherein the main oil storage cylinder is filled with oil, the auxiliary oil storage cylinder is filled with oil in half, nitrogen is stored in half, the storage capacity of the oil is increased through a double-oil-cylinder structure, and when the shock absorber works, the heat dissipation performance of the barrel core is better due to the increase of the oil quantity in the barrel core, and the shock absorption temperature needs longer time to be increased to the failure temperature of the oil, so that the stability and the durability in the shock absorption work are improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall mounting structure of the present utility model;
FIG. 2 is a schematic diagram of the oil cylinder connection structure of the present utility model;
FIG. 3 is a schematic view of a master cylinder mechanism according to the present utility model;
fig. 4 is a schematic view of the structure of the slave cylinder mechanism of the present utility model.
Reference numerals illustrate: 1. a master cylinder mechanism; 2. an auxiliary cylinder mechanism; 3. a main oil storage cylinder; 4. a damping piston rod; 5. a cover at the upper end; 6. a lower end cover; 7. a master cylinder piston; 8. a main oil storage chamber; 9. a first interface; 10. a damping support; 11. a damping spring; 12. a buffer block; 13. an auxiliary oil storage cylinder; 14. a floating piston; 15. a slave cylinder piston; 16. a nitrogen chamber; 17. a secondary oil storage chamber; 18. a second interface; 19. and a metal oil pipe.
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 can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.
Examples
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a double-cylinder type automobile shock absorber, including master cylinder mechanism 1, vice jar mechanism 2 and metal oil pipe 19, master cylinder mechanism 1 includes main oil storage cylinder 3, shock attenuation piston rod 4, upper end closing cap 5 and lower extreme closing cap 6, the inside of main oil storage cylinder 3 is provided with main oil storage chamber 8, the inside of main oil storage chamber 8 is filled with shock attenuation oil, upper end closing cap 5 is fixed in the top of main oil storage cylinder 3 can seal the upper portion opening of main oil storage cylinder 3, shock attenuation piston rod 4 is the metal pole post, shock attenuation piston rod 4 activity runs through in the middle part of upper end closing cap 5, can carry out the flexible sliding motion of vertical direction, the bottom of shock attenuation piston rod 4 is fixed with master cylinder piston 7, master cylinder piston 7 sliding connection is inside main oil storage chamber 8, the accessible slides the shock attenuation oil in to main oil storage cylinder 3, shock attenuation piston rod 4 passes through master cylinder piston 7 swing joint in the upper portion of main oil storage cylinder 3, the impact that can absorb the conduction automobile body and transmit.
The upper portion of shock attenuation piston rod 4 installs the damper, and damper includes shock absorber 10, damping spring 11 and buffer block 12, and shock absorber 10 is connected in the top and the automobile body of shock attenuation piston rod 4 for the connection of shock attenuation piston rod 4 is fixed, and damping spring 11 cup joints the outside that sets up in shock attenuation piston rod 4, can be absorbed the impact force of automobile body by elastic compression buffering, and buffer block 12 cup joints in the upper portion of shock attenuation piston rod 4, can absorb collision impact protection shock-absorbing structure when shock attenuation piston rod 4 is retracted.
The lower end closing cap 6 is fixed in the bottom of main oil storage jar 3, can seal the bottom of main oil storage jar 3, vice jar mechanism 2 is linked together with main oil storage jar 3 through metal oil pipe 19, vice jar mechanism 2 includes vice oil storage jar 13, floating piston 14 and vice jar piston 15, one side of lower end closing cap 6 is provided with first interface 9, first interface 9 is linked together with main oil storage chamber 8, first interface 9 is linked together with one side tip of metal oil pipe 19, the lower part side of floating piston 14 is provided with second interface 18, second interface 18 is linked together with the opposite side tip of metal oil pipe 19, realize the intercommunication of both sides hydro-cylinder, make impact force accessible shock attenuation oil conduct.
The floating piston 14 and the auxiliary cylinder piston 15 are both movably connected in the auxiliary oil storage cylinder 13, the floating piston 14 is located above the auxiliary cylinder piston 15 and can perform floating sliding movement in the vertical direction, the nitrogen cavity 16 and the auxiliary oil storage cavity 17 are arranged in the auxiliary oil storage cylinder 13, the nitrogen cavity 16 is arranged on the top side of the floating piston 14, nitrogen is filled in the nitrogen cavity 16, the floating piston 14 can move upwards to compress the nitrogen to buffer and absorb impact force, the auxiliary oil storage cavity 17 is arranged between the floating piston 14 and the auxiliary cylinder piston 15, damping oil is filled in the main oil storage cavity 8 and the auxiliary oil storage cavity 17, the storage amount of oil is increased through a double-oil-cylinder structure, and when in damping operation, the heat dissipation performance of the barrel core is better due to the increase of the oil amount in the barrel core, the damping temperature needs longer time to rise to the failure temperature of the oil, and stability and durability in the damping operation are improved.
When the device works, the damping support 10 is connected with the vehicle body, when the device is impacted, the damping piston rod 4 is pushed to retract downwards by impact force, the master cylinder piston 7 is driven to move downwards to compress damping oil in the main oil storage cavity 8, the damping oil enters the auxiliary oil storage cylinder 13 through the metal oil pipe 19 under the compression action, the auxiliary cylinder piston 15 moves upwards to compress the damping oil in the auxiliary oil storage cavity 17 under the pushing of the damping oil, the floating piston 14 is pushed to move upwards to compress nitrogen in the nitrogen air cavity 16 after being pressed, the impact force is absorbed by the damping oil and the nitrogen in the process, damping protection of the vehicle is realized, the damping force and the heat dispersion of the barrel core are directly influenced by the content of the damping oil in the barrel core, the more the oil quantity is, the heat dispersion is good, the damping performance is stable, the storage amount of oil is increased through the double oil cylinder structure, and the heat dispersion of the barrel core is better due to the increase of the oil quantity in the barrel core.
In summary, the utility model provides a double-cylinder type automobile shock absorber, the barrel core of the shock absorber is composed of a main oil storage cylinder 3 and an auxiliary oil storage cylinder 13, the main oil storage cylinder 3 and the auxiliary oil storage cylinder 13 are communicated through a metal oil pipe 19, parts such as a piston rod assembly and the like are arranged on the upper part of the main oil storage cylinder 3, the auxiliary oil storage cylinder 13 is used for auxiliary buffering, which is equivalent to combining two independent oil storage cylinders into a large oil storage cylinder, wherein the main oil storage cylinder 3 is filled with oil, the auxiliary oil storage cylinder 13 is filled with half of oil, and half of the oil is stored with nitrogen.
Thus, embodiments of the present utility model have been described in detail with reference to the accompanying drawings. It should be noted that, in the drawings or the text of the specification, implementations not shown or described are all forms known to those of ordinary skill in the art, and not described in detail. Furthermore, the above definitions of the components are not limited to the specific structures, shapes or modes mentioned in the embodiments, and may be simply modified or replaced by those of ordinary skill in the art.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the utility model thereto, but to limit the utility model thereto, and any modifications, equivalents, improvements and equivalents thereof may be made without departing from the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a double-cylinder type automobile shock absorber ware, includes master cylinder mechanism (1), vice jar mechanism (2) and metal oil pipe (19), its characterized in that: the master cylinder mechanism (1) comprises a main oil storage cylinder (3), a damping piston rod (4), an upper end sealing cover (5) and a lower end sealing cover (6), wherein the damping piston rod (4) is movably arranged on the top side of the main oil storage cylinder (3), a damping component is arranged on the upper part of the damping piston rod (4), and a main oil storage cavity (8) is formed in the main oil storage cylinder (3);
the auxiliary cylinder mechanism (2) comprises an auxiliary oil storage cylinder (13), a floating piston (14) and an auxiliary cylinder piston (15), a nitrogen cavity (16) and an auxiliary oil storage cavity (17) are arranged in the auxiliary oil storage cylinder (13), and the main oil storage cavity (8) is communicated with the main oil storage cavity (8) through a metal oil pipe (19).
2. A dual-tube automotive shock absorber as defined in claim 1, wherein: the upper end closing cap (5) is fixed in the top of main oil storage jar (3), shock attenuation piston rod (4) activity runs through in the middle part of upper end closing cap (5), the bottom of shock attenuation piston rod (4) is fixed with master cylinder piston (7), master cylinder piston (7) sliding connection is inside main oil storage chamber (8), shock attenuation piston rod (4) pass through master cylinder piston (7) swing joint in the upper portion of main oil storage jar (3).
3. A dual-tube automotive shock absorber as defined in claim 2, wherein: the damping assembly comprises a damping support (10), a damping spring (11) and a buffer block (12), wherein the damping support (10) is connected to the top end of a damping piston rod (4), the damping spring (11) is sleeved outside the damping piston rod (4), and the buffer block (12) is sleeved on the upper portion of the damping piston rod (4).
4. A dual-tube automotive shock absorber as defined in claim 3, wherein: the lower end closing cap (6) is fixed in the bottom of main oil storage jar (3), one side of lower end closing cap (6) is provided with first interface (9), first interface (9) are linked together with one side tip of metal oil pipe (19), the lower part side of floating piston (14) is provided with second interface (18), second interface (18) are linked together with the opposite side tip of metal oil pipe (19).
5. The dual-tube automotive shock absorber of claim 4, wherein: the floating piston (14) and the auxiliary cylinder piston (15) are both movably connected to the inside of the auxiliary oil storage cylinder (13), and the floating piston (14) is positioned above the auxiliary cylinder piston (15).
6. The dual-tube automotive shock absorber of claim 5, wherein: the nitrogen gas chamber (16) sets up in the top side of floating piston (14), the inside in nitrogen gas chamber (16) is filled with nitrogen gas, auxiliary oil storage chamber (17) set up between floating piston (14) and auxiliary cylinder piston (15), the inside in main oil storage chamber (8) and auxiliary oil storage chamber (17) all is filled with the shock attenuation oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322516089.4U CN220726955U (en) | 2023-09-15 | 2023-09-15 | Double-cylinder type automobile shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322516089.4U CN220726955U (en) | 2023-09-15 | 2023-09-15 | Double-cylinder type automobile shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220726955U true CN220726955U (en) | 2024-04-05 |
Family
ID=90493290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322516089.4U Active CN220726955U (en) | 2023-09-15 | 2023-09-15 | Double-cylinder type automobile shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220726955U (en) |
-
2023
- 2023-09-15 CN CN202322516089.4U patent/CN220726955U/en active Active
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