CN112196931A - Shock attenuation nitrogen spring for cross country electric vehicle - Google Patents
Shock attenuation nitrogen spring for cross country electric vehicle Download PDFInfo
- Publication number
- CN112196931A CN112196931A CN202011181238.0A CN202011181238A CN112196931A CN 112196931 A CN112196931 A CN 112196931A CN 202011181238 A CN202011181238 A CN 202011181238A CN 112196931 A CN112196931 A CN 112196931A
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- China
- Prior art keywords
- piston
- cylinder body
- sleeve
- nitrogen spring
- column
- 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.)
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Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 34
- 230000035939 shock Effects 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 238000005299 abrasion Methods 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 239000000428 dust Substances 0.000 abstract description 8
- 230000002349 favourable effect Effects 0.000 abstract description 6
- 239000006096 absorbing agent Substances 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 238000013016 damping Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0218—Mono-tubular units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0281—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/362—Combination of sealing and guide arrangements for piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a damping nitrogen spring for a cross-country electric vehicle, which comprises a cylinder body, wherein a piston seat is arranged in the cylinder body, the outer side of the piston seat is movably connected with the cylinder body through a piston seat anti-abrasion ring, a piston column penetrates through an opening of the cylinder body and is movably connected with the cylinder body, and a piston sealing sleeve is arranged at the top end of the cylinder body. This shock attenuation nitrogen spring for cross country electric car, the opening of cylinder body upper surface is provided with the scaler with the piston post junction, the leakproofness of piston seal cover has been improved, the cylinder body, the piston post, pneumatic valve and connecting rod are on same axis, compact structure and firm, occupation space is little, the modern design, high durability and convenient use, the shock attenuation effect has been kept simultaneously, the comfort level has been increased, reduce the harm to cross country electric car, can make a round trip to adjust the pressure of electric car through the pneumatic valve, play balanced effect, can satisfy outdoor cross country requirement, aerify and bleed at any time, can effectually prevent dust and nitrogen spring contact through the piston seal cover, be favorable to increasing the life of bumper shock absorber.
Description
Technical Field
The invention relates to the technical field of nitrogen springs, in particular to a damping nitrogen spring for an off-road electric vehicle.
Background
The nitrogen spring is a novel elastic component using high-pressure nitrogen as a working medium, has the work which is difficult to complete by conventional elastic components such as a metal spring, rubber and an air cushion, is a new generation of optimal elastic component with flexible performance, plays an important role in shock absorption and balance in an off-road electric vehicle, but has the phenomenon of insufficient air filling in an air cylinder when the nitrogen spring in the current market circulates, so that a piston rod can slide down instantly to damage the internal structure of the nitrogen spring, the shock absorption effect is poor, the use comfort is reduced, the sealing component is often poor in sealing performance, and the service life of the nitrogen spring is short.
Disclosure of Invention
The invention aims to provide a shock-absorbing nitrogen spring for an off-road electric vehicle, wherein a dirt scraper is arranged at the joint of an opening on the upper surface of a cylinder body and a piston column, dust or oil dirt on the piston column is cleaned when the piston column moves, the sealing performance of a piston sealing sleeve is improved, the sealing effect of the nitrogen spring is better by matching with the piston sealing sleeve, the piston sealing sleeve is arranged at the top end of the cylinder body, the piston column is fixed inside the cylinder body by the piston seat and the piston sealing sleeve and is movably connected with the cylinder body, and meanwhile, the piston seat can play a role of buffering the ascending and descending of the piston column, thereby being beneficial to protecting the piston column and prolonging the service life of the piston column, the cylinder body, the piston column, an air valve and a connecting rod are on the same axis, the structure is compact and stable, the occupied space is small, the design is novel, the use is convenient, the shock, can make a round trip to adjust the pressure of trolley-bus through the pneumatic valve, play balanced effect, can satisfy outdoor cross country requirement, inflate and the gassing at any time, can effectually prevent dust and nitrogen gas spring contact through the piston seal cover, be favorable to increasing the life of bumper shock absorber, can solve the problem among the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a damping nitrogen spring for a cross-country electric vehicle comprises a cylinder body, wherein a piston seat is arranged in the cylinder body, the outer side of the piston seat is movably connected through a piston seat anti-abrasion ring, the inner wall of the piston seat is in interference connection with one end of a piston column, an opening is formed in the upper surface of the cylinder body, the piston column penetrates through the opening of the cylinder body and is movably connected with the cylinder body, and a piston sealing sleeve is arranged at the top end of the cylinder;
the piston sealing sleeve is respectively composed of a dustproof sleeve, an O-shaped sealing ring, a positioning ring, a piston sleeve and a piston column sealing ring, the piston sleeve is sleeved on the outer wall of one end of the piston column and is movably connected with the piston sleeve, the dustproof sleeve is sleeved on the outer wall of the upper end of the piston sleeve, the positioning ring is sleeved on the lower end of the dustproof sleeve and is fixedly connected with the dustproof sleeve, the O-shaped sealing ring is sleeved on the lower end of the positioning ring and is fixedly connected with the positioning ring, and the piston column sealing ring is;
the piston is characterized in that a piston column connector is arranged at the center of the top end of the piston column, an air valve is arranged in the piston column, one end of the air valve is fixedly connected with the connecting rod through a bolt, and the other end of the air valve penetrates through the piston seat and is fixedly connected with the port plug.
Preferably, the cylinder body, the piston column, the air valve and the connecting rod are on the same axis, and the motion directions of the piston column, the air valve and the connecting rod are consistent with the direction of the axis.
Preferably, the cylinder body is a hollow cylinder body with an opening in the center of the upper surface, and a scale scraper is arranged at the joint of the opening and the piston column.
Preferably, a piston column guide piece is arranged at the joint of the piston sealing sleeve and the piston column, and the piston column guide piece is fixedly connected with the inner wall of the piston sealing sleeve.
Preferably, the inner wall of the piston column interface is provided with a threaded part, and the bottom end of the piston column interface is fixedly connected with one end of the connecting rod.
Preferably, the piston seat and the piston sealing sleeve fix the piston column in the cylinder body and are movably connected with the cylinder body.
Compared with the prior art, the invention has the following beneficial effects:
1. this shock attenuation nitrogen spring for cross-country electric motor car, the opening of cylinder body upper surface is provided with the scaler with piston post junction, dust or greasy dirt clearance on the piston post when the piston post carries out piston motion, the leakproofness of piston seal cover has been improved, cooperation piston seal cover makes nitrogen spring's sealed effect better, the cylinder body top is provided with the piston seal cover, piston seat and piston seal cover fix the piston post inside the cylinder body, and with cylinder body swing joint, the piston seat can rise to descend to the piston post and play the cushioning effect simultaneously, be favorable to protecting the piston post, the life of piston post has been prolonged.
2. This shock attenuation nitrogen spring for cross country electric vehicle, piston post interface inner wall are provided with screw thread portion, piston post interface bottom and connecting rod one end fixed connection, make things convenient for shock attenuation nitrogen spring's installation and dismantlement, and cylinder body, piston post, pneumatic valve and connecting rod are on same axis, and compact structure and firm, occupation space is little, the modern design, convenient to use has remain the shock attenuation effect simultaneously, has increased the comfort level, reduces the harm to cross country electric vehicle.
3. This cross country tram is with shock attenuation nitrogen spring can make a round trip to adjust the pressure of tram through the pneumatic valve, plays balanced effect, can satisfy outdoor cross country requirement, aerifys and deflates at any time, can effectually prevent dust and nitrogen spring contact through piston seal cover, is favorable to increasing the life of bumper shock absorber.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional elevation view of the overall structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 4 is a cross-sectional view of the piston seal cartridge of the present invention;
FIG. 5 is a partial schematic view of the present invention;
fig. 6 is a bottom view of the overall structure of the present invention.
In the figure: 1. a cylinder body; 2. a piston seat; 3. a piston seat wear ring; 4. a piston post; 5. a piston seal cartridge; 6. a dust-proof sleeve; 7. an O-shaped sealing ring; 8. a positioning ring; 9. a piston sleeve; 10. a piston post seal ring; 11. a piston-cylinder interface; 12. an air valve; 13. a connecting rod; 14. a port plug; 15. a piston post guide.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a shock absorption nitrogen spring for off-road electric vehicles comprises a cylinder body 1, a piston seat 2 is arranged in the cylinder body 1, the outer side of the piston seat 2 is movably connected with one end of a piston column 4 through a piston seat anti-wear ring 3, the inner wall of the piston seat 2 is in interference connection with one end of the piston column 4, an opening is arranged on the upper surface of the cylinder body 1, the piston column 4 penetrates through the opening of the cylinder body 1 and is movably connected with the cylinder body 1, the cylinder body 1 is a hollow cylinder with an opening in the center of the upper surface, a scale scraper is arranged at the joint of the opening and the piston column 4, the piston column 4 cleans dust or oil stains on the piston column 4 when the piston column 4 moves, the sealing performance of a piston sealing sleeve 5 is improved, the sealing effect of the nitrogen spring is better by matching with the piston sealing sleeve 5, the piston sealing sleeve 5 is arranged at the top end of, the piston column guide 15 is fixedly connected with the inner wall of the piston sealing sleeve 5, the piston seat 2 and the piston sealing sleeve 5 fix the piston column 4 in the cylinder body 1 and are movably connected with the cylinder body 1, meanwhile, the piston seat 2 can play a role of buffering the ascending and descending of the piston column 4, which is beneficial to protecting the piston column 4 and prolonging the service life of the piston column 4, the piston sealing sleeve 5 is respectively composed of a dustproof sleeve 6, an O-shaped sealing ring 7, a positioning ring 8, a piston sleeve 9 and a piston column sealing ring 10, the piston sleeve 9 is sleeved on the outer wall of one end of the piston column 4 and is movably connected with the piston column, the dustproof sleeve 6 is sleeved on the outer wall of the upper end of the piston sleeve 9, the positioning ring 8 is sleeved on the lower end of the dustproof sleeve 6 and is fixedly connected with the dustproof sleeve, the O-shaped sealing ring 7 is sleeved on the lower end of the positioning ring 8 and is fixedly connected with, the inner wall of the piston post interface 11 is provided with a thread part, the bottom end of the piston post interface 11 is fixedly connected with one end of a connecting rod 13, so that the installation and the disassembly of a damping nitrogen spring are convenient, an air valve 12 is arranged in the piston post 4, one end of the air valve 12 is fixedly connected with the connecting rod 13 through a bolt, the cylinder body 1, the piston post 4, the air valve 12 and the connecting rod 13 are on the same axis, the motion direction of the piston post 4, the air valve 12 and the connecting rod 13 is consistent with the direction of the axis, the structure is compact and stable, the occupied space is small, the design is novel, the use is convenient, the damping effect is kept, the comfort level is increased, the damage to the off-road electric vehicle is reduced, the other end of the air valve 12 penetrates through the piston seat 2 to be fixedly connected with a port plug 14, the pressure of the off-road electric vehicle can be adjusted back and forth, the service life of the shock absorber is prolonged.
To sum up, this shock attenuation nitrogen spring for cross-country electric vehicle, the opening of cylinder body 1 upper surface is provided with the scaler with piston post 4 junction, dust or greasy dirt clearance on piston post 4 when piston post 4 carries out the piston motion, improved the leakproofness of piston seal cover 5, cooperation piston seal cover 5 makes the sealing effect of nitrogen spring better, cylinder body 1 top is provided with piston seal cover 5, piston seat 2 and piston seal cover 5 fix piston post 4 in cylinder body 1 inside, and with cylinder body 1 swing joint, piston seat 2 can play the cushioning effect to piston post 4 rising decline simultaneously, be favorable to protecting piston post 4, the life of piston post 4 has been prolonged, piston post interface 11 inner wall is provided with screw thread portion, piston post interface 11 bottom and connecting rod 13 one end fixed connection, make things convenient for the installation and the dismantlement of shock attenuation nitrogen spring, cylinder body 1, Piston post 4, pneumatic valve 12 and connecting rod 13 are on same axis, compact structure and firm, occupation space is little, the modern design, high durability and convenient use, the shock attenuation effect has been kept simultaneously, the comfort level has been increased, reduce the harm to cross country electric car, can make a round trip to adjust the pressure of electric car through pneumatic valve 12, play balanced effect, can satisfy outdoor cross country requirement, inflate and bleed at any time, can effectually prevent dust and nitrogen spring contact through piston seal cover 5, be favorable to increasing the life of bumper shock absorber.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a cross country tram is with shock attenuation nitrogen spring, includes cylinder body (1), its characterized in that: a piston seat (2) is arranged in the cylinder body (1), the outer side of the piston seat (2) is movably connected through a piston seat anti-abrasion ring (3), the inner wall of the piston seat (2) is in interference connection with one end of a piston column (4), an opening is formed in the upper surface of the cylinder body (1), the piston column (4) penetrates through the opening of the cylinder body (1) and is movably connected with the cylinder body (1), and a piston sealing sleeve (5) is arranged at the top end of the cylinder body (1);
the piston sealing sleeve (5) is respectively composed of a dustproof sleeve (6), an O-shaped sealing ring (7), a positioning ring (8), a piston sleeve (9) and a piston column sealing ring (10), the piston sleeve (9) is sleeved on the outer wall of one end of the piston column (4) and movably connected with the piston sleeve, the dustproof sleeve (6) is sleeved on the outer wall of the upper end of the piston sleeve (9), the positioning ring (8) is sleeved on the lower end of the dustproof sleeve (6) and fixedly connected with the dustproof sleeve, the O-shaped sealing ring (7) is sleeved on the lower end of the positioning ring (8) and fixedly connected with the positioning ring, and the piston column sealing ring (10) is fixed at the bottom end of;
the piston is characterized in that a piston column connector (11) is arranged in the center of the top end of the piston column (4), an air valve (12) is arranged in the piston column (4), one end of the air valve (12) is fixedly connected with a connecting rod (13) through a bolt, and the other end of the air valve (12) penetrates through the piston seat (2) and is fixedly connected with a port plug (14).
2. The shock-absorbing nitrogen spring for the all terrain vehicle of claim 1, characterized in that: the cylinder body (1), the piston column (4), the air valve (12) and the connecting rod (13) are on the same axis, and the motion directions of the piston column (4), the air valve (12) and the connecting rod (13) are consistent with the direction of the axis.
3. The shock-absorbing nitrogen spring for the all terrain vehicle of claim 1, characterized in that: the cylinder body (1) is a hollow cylinder body with an opening in the center of the upper surface, and a scale scraper is arranged at the joint of the opening and the piston column (4).
4. The shock-absorbing nitrogen spring for the all terrain vehicle of claim 1, characterized in that: and a piston column guide piece (15) is arranged at the joint of the piston sealing sleeve (5) and the piston column (4), and the piston column guide piece (15) is fixedly connected with the inner wall of the piston sealing sleeve (5).
5. The shock-absorbing nitrogen spring for the all terrain vehicle of claim 1, characterized in that: the inner wall of the piston column connector (11) is provided with a threaded part, and the bottom end of the piston column connector (11) is fixedly connected with one end of the connecting rod (13).
6. The shock-absorbing nitrogen spring for the all terrain vehicle of claim 1, characterized in that: the piston seat (2) and the piston sealing sleeve (5) fix the piston column (4) in the cylinder body (1) and are movably connected with the cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011181238.0A CN112196931A (en) | 2020-10-29 | 2020-10-29 | Shock attenuation nitrogen spring for cross country electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011181238.0A CN112196931A (en) | 2020-10-29 | 2020-10-29 | Shock attenuation nitrogen spring for cross country electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112196931A true CN112196931A (en) | 2021-01-08 |
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ID=74011120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011181238.0A Pending CN112196931A (en) | 2020-10-29 | 2020-10-29 | Shock attenuation nitrogen spring for cross country electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112196931A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719570A (en) * | 2021-09-01 | 2021-11-30 | 苏州斯托尔克精密机械有限公司 | High-tightness nitrogen spring and preparation method of embedded sealing sleeve |
-
2020
- 2020-10-29 CN CN202011181238.0A patent/CN112196931A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719570A (en) * | 2021-09-01 | 2021-11-30 | 苏州斯托尔克精密机械有限公司 | High-tightness nitrogen spring and preparation method of embedded sealing sleeve |
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