CN209972700U - Improved front fork shock absorber of electric vehicle - Google Patents
Improved front fork shock absorber of electric vehicle Download PDFInfo
- Publication number
- CN209972700U CN209972700U CN201920096660.2U CN201920096660U CN209972700U CN 209972700 U CN209972700 U CN 209972700U CN 201920096660 U CN201920096660 U CN 201920096660U CN 209972700 U CN209972700 U CN 209972700U
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- Prior art keywords
- shock absorbing
- shock
- front fork
- rod
- moving away
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- 230000035939 shock Effects 0.000 title claims abstract description 91
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 30
- 238000013016 damping Methods 0.000 claims description 22
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims 3
- 238000012856 packing Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 239000003921 oil Substances 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Landscapes
- Fluid-Damping Devices (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The utility model relates to the field of shock absorbers, in particular to an improved shock absorber for front forks of electric vehicles, which mainly solves the problem that the shock absorber of the electric vehicles in the prior art has poor shock absorbing effect due to unreasonable structural design, and comprises a front fork frame, a shock absorbing rod is fixedly arranged on the front fork frame, a shock absorbing cylinder is sleeved on the lower part of the shock absorbing rod, a sealing cover is arranged at the upper end of the shock absorbing cylinder so that the shock absorbing cylinder forms a closed containing cavity, the shock absorbing rod passes through the sealing cover and is in sliding connection with the sealing cover, a piston is arranged in the shock absorbing cylinder at the lower end of the shock absorbing rod, a flow passage is arranged on the shock absorbing rod and is used for communicating the space at the two sides of the piston in the shock absorbing cylinder, a first spring is sleeved on the shock absorbing rod between the piston and the sealing cover, a threaded hole is, the upper end of the threaded rod penetrates out of the shock absorbing rod and is provided with a rotating handle.
Description
Technical Field
The utility model relates to a shock absorber field especially relates to a modified electric motor car front fork shock absorber.
Background
In order to reduce the bumping of the bicycle or the electric bicycle, various devices for attaching a shock absorber to a front fork or a rear fork of the bicycle or the electric bicycle are introduced. The shock absorber of the front fork is basically of a naked type, namely a shock absorbing spring is exposed; meanwhile, the mounting structure of the shock absorber is that the front fork is divided into two parts, the upper end of a fork tube connected with the front shaft is in threaded connection with a slide rod, the slide rod is directly sleeved with a spring, and two ends of the spring are respectively propped against the plug-in piece sleeve and the fork tube.
Chinese patent No.: 201220486529.5 discloses an improved front fork shock absorber of an electric vehicle, which comprises a shock absorbing sleeve and a shock absorbing shaft, wherein the front end of the shock absorbing shaft is positioned in the shock absorbing sleeve, the shock absorbing sleeve is provided with an oil injection device, and the axis of the oil injection device is perpendicular to the axis of the shock absorbing shaft. The oil injection device is arranged on the shock-absorbing sleeve, so that lubricating oil can be conveniently added in the riding process, the abrasion of the shaft sleeve caused by the lack of lubricating oil of the common shock absorber is reduced, the shock-absorbing effect of the common front fork is enhanced, and the service life of the common front fork is prolonged; however, the shock absorbing shaft is inserted into the shock absorbing sleeve, and the spring in the shock absorbing sleeve is compressed to absorb shock, so that the shock absorbing effect is poor.
SUMMERY OF THE UTILITY MODEL
Therefore, to foretell problem, the utility model provides a modified electric motor car front fork shock absorber, it has mainly solved among the prior art electric motor car shock absorber because structural design is unreasonable, causes the poor problem of effect of moving away to avoid possible earthquakes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an improved front fork shock absorber of an electric vehicle comprises a front fork frame, a shock absorbing rod is fixedly arranged on the front fork frame, the lower part of the shock-absorbing rod is sleeved with a shock-absorbing cylinder, the upper end of the shock-absorbing cylinder is provided with a sealing cover to ensure that the shock-absorbing cylinder forms a closed containing cavity, damping oil is filled in the containing cavity, the shock absorbing rod penetrates through the sealing cover and is connected with the sealing cover in a sliding way, the lower end of the shock absorbing rod is positioned in the shock absorbing cylinder and is internally provided with a piston, the shock absorbing rod is provided with a flow passage for communicating spaces at two sides of the piston in the shock absorbing cylinder, a first spring is sleeved between the piston and the sealing cover on the shock-absorbing rod, a threaded hole is arranged on the shock-absorbing rod along the axial direction of the shock-absorbing rod, the threaded hole is internally threaded with a threaded rod, the lower end of the threaded rod is provided with a plug for adjusting the sectional area of the flow passage, and the upper end of the threaded rod penetrates out of the shock absorbing rod and is provided with a rotating handle.
Further, the lower extreme downwardly extending of threaded rod is provided with the extension rod, be provided with the recess that is used for damping oil to flow along its axial direction on the circumference surface of extension rod, be provided with the damping piece slidable on the extension rod, it is equipped with the second spring to lie in the cover between damping piece and the piston on the extension rod, the lower extreme of extension rod is provided with the dog.
Further, the upper part of the shock absorbing cylinder is communicated with an air bag cylinder.
Further, an air bag cylinder comprises a cylinder body, a sliding block is arranged in the cylinder body in a sliding mode along the axial direction of the cylinder body, the sliding block divides the cylinder body into a hydraulic chamber and an air pressure chamber, the hydraulic chamber is communicated with the accommodating chamber, and an inflation inlet is formed in the position, located on the hydraulic chamber, of the cylinder body.
By adopting the technical scheme, the beneficial effects of the utility model are that: according to the improved electric vehicle front fork shock absorber, after the front fork frame is impacted in the movement process, the shock absorbing rod is pushed to overcome the tensile force of the first spring to move downwards, meanwhile, the piston at the lower end of the shock absorbing rod extrudes damping oil in the shock absorbing cylinder, so that the damping oil flows upwards through the flow passage to play a shock absorbing role, and the plug at the lower end of the adjusting threaded rod blocks the circulation by rotating the threaded rod, so that the sectional area of the flow passage is adjusted, the hardness and softness of the shock absorber can be adjusted, the shock absorbing effect of the shock absorber is improved, the structure is simple, and the shock absorbing effect of the shock absorber is enhanced by the circulation of the damping oil and the setting of; furthermore, the arranged damping block compresses the second spring to move on the extension rod, so that the damping block is pushed to compress the second spring to move after the shock absorber receives impact at the initial section, the generation of the impact force at the initial section is avoided, and the comfort is improved; furthermore, thereby set up an air bag section of thick bamboo and improve the effect of moving away to through the pressure difference of filling nitrogen gas in the pneumatic chamber, thereby adjust the soft or hard degree of shock absorber, the effectual of moving away to avoid possible earthquakes.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic sectional structure diagram of an embodiment of the present invention.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and detailed description.
The embodiment of the utility model provides a do:
referring to fig. 1 and 2, an improved front fork shock absorber of an electric vehicle comprises a front fork frame 1, a shock absorbing rod 2 is fixedly arranged on the front fork frame 1, a shock absorbing cylinder 3 is sleeved on the lower portion of the shock absorbing rod 2, a sealing cover 4 is arranged at the upper end of the shock absorbing cylinder 3 to enable the shock absorbing cylinder 3 to form a closed cavity 5, damping oil is filled in the cavity 5, the shock absorbing rod 2 penetrates through the sealing cover 4 and is in sliding connection with the sealing cover 4, a piston 6 is arranged at the lower end of the shock absorbing rod 2 and is positioned in the shock absorbing cylinder 3, a flow passage 7 is arranged on the shock absorbing rod 2 and is used for communicating spaces at two sides of the piston 6 in the shock absorbing cylinder 3, a first spring 8 is sleeved on the shock absorbing rod 2 and is arranged between the piston 6 and the sealing cover 4, a threaded hole 9 is arranged on the shock absorbing rod 2 along the axial direction of the shock absorbing rod, a threaded rod 10 is connected with an, shock absorber pole 2 is worn out to the upper end of threaded rod 10, and is provided with and changes 12, the lower extreme downwardly extending of threaded rod 10 is provided with extension rod 13, be provided with along its axial direction on extension rod 13's the circumference surface and be used for the recess 14 that damping oil flows, be provided with damping piece 15 on the extension rod 13 slidable, it is equipped with second spring 16 to lie in the cover between damping piece 15 and the piston 6 on the extension rod 13, the lower extreme of extension rod 13 is provided with dog 17.
In this embodiment, the upper portion of the shock absorbing cylinder 3 is communicated with and provided with the air bag cylinder 18, the air bag cylinder 18 includes a cylinder 181, a slider 182 is slidably arranged in the cylinder 181 along the axial direction of the cylinder 181, the slider divides the cylinder 181 into a hydraulic chamber 183 and an air pressure chamber 184, the hydraulic chamber 183 is communicated with the accommodating chamber 5, and an inflation inlet 185 is arranged at the position of the hydraulic chamber 183 on the cylinder 181.
The utility model discloses a working method is: according to the improved electric vehicle front fork shock absorber, after the front fork frame 1 is impacted in motion, the shock absorbing rod 2 is pushed to overcome the tensile force of the first spring 8 to move downwards, meanwhile, the piston 6 at the lower end of the shock absorbing rod 2 extrudes damping oil in the shock absorbing cylinder 3, so that the damping oil flows upwards through the flow channel 7 to play a shock absorbing role, and the plug 11 at the lower end of the adjusting threaded rod 10 blocks the flow channel 7 by rotating the threaded rod 10, so that the sectional area of the flow channel 7 is adjusted, the hardness and softness of the shock absorber can be adjusted, the shock absorbing effect of the shock absorber is improved, the structure is simple, and the shock absorbing effect of the shock absorber is enhanced through the circulation of the damping oil and the setting of the; the damping block 15 is arranged on the extension rod 13 to compress the second spring 16 to move, so that after the shock absorber receives impact at the initial section, the damping block 15 is pushed to compress the second spring 16 to move, the generation of the impact force at the initial section is avoided, and the comfort is improved; the air bag cylinder 18 is arranged to improve the shock absorbing effect, and the hardness of the shock absorber is adjusted through the pressure difference of nitrogen filled in the air pressure chamber 184, so that the shock absorbing effect is good.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a modified electric motor car front fork shock absorber which characterized in that: including preceding crotch, the fixed pole of moving away to avoid possible earthquakes that is provided with on the preceding crotch, the lower part cover of the pole of moving away to avoid possible earthquakes is equipped with a section of thick bamboo of moving away to avoid possible earthquakes, the upper end of a section of thick bamboo of moving away to avoid possible earthquakes is provided with the seal closure and makes a section of thick bamboo of moving away to avoid possible earthquakes form a confined appearance chamber, should hold the intracavity packing and be equipped with damping oil, the pole of moving away to avoid possible earthquakes passes the seal closure, and with seal closure sliding connection, the lower extreme of the pole of moving away to avoid possible earthquakes is located and is provided with the piston in the section of thick bamboo of moving away to avoid possible earthquakes, it is equipped with first spring to lie in the cover between piston and the seal closure.
2. The improved electric vehicle front fork suspension of claim 1, wherein: the lower extreme downwardly extending of threaded rod is provided with the extension rod, be provided with the recess that is used for damping oil to flow along its axial direction on the circumference surface of extension rod, be provided with the damping piece on the extension rod slidable, it is equipped with the second spring to lie in the cover between damping piece and the piston on the extension rod, the lower extreme of extension rod is provided with the dog.
3. The improved electric vehicle front fork suspension of claim 1 or 2, wherein: the upper part of the shock-absorbing cylinder is communicated with an air bag cylinder.
4. The improved electric vehicle front fork suspension of claim 3, wherein: the air bag barrel comprises a barrel body, a sliding block is arranged in the barrel body in a sliding mode along the axial direction of the barrel body, the sliding block divides the barrel body into a hydraulic chamber and an air pressure chamber, the hydraulic chamber is communicated with a containing cavity, and an inflation inlet is formed in the barrel body and is located at the hydraulic chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920096660.2U CN209972700U (en) | 2019-01-21 | 2019-01-21 | Improved front fork shock absorber of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920096660.2U CN209972700U (en) | 2019-01-21 | 2019-01-21 | Improved front fork shock absorber of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209972700U true CN209972700U (en) | 2020-01-21 |
Family
ID=69252212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920096660.2U Active CN209972700U (en) | 2019-01-21 | 2019-01-21 | Improved front fork shock absorber of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209972700U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815761A (en) * | 2021-03-17 | 2021-12-21 | 王沉津 | Labor-saving bicycle shock absorber |
| WO2024066923A1 (en) * | 2022-09-30 | 2024-04-04 | 纳恩博（常州）科技有限公司 | Scooter and shock absorber thereof |
-
2019
- 2019-01-21 CN CN201920096660.2U patent/CN209972700U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815761A (en) * | 2021-03-17 | 2021-12-21 | 王沉津 | Labor-saving bicycle shock absorber |
| WO2024066923A1 (en) * | 2022-09-30 | 2024-04-04 | 纳恩博（常州）科技有限公司 | Scooter and shock absorber thereof |
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