CN201166085Y - Solid tire electric motor vehicle bumper absorber - Google Patents
Solid tire electric motor vehicle bumper absorber Download PDFInfo
- Publication number
- CN201166085Y CN201166085Y CNU2007201928605U CN200720192860U CN201166085Y CN 201166085 Y CN201166085 Y CN 201166085Y CN U2007201928605 U CNU2007201928605 U CN U2007201928605U CN 200720192860 U CN200720192860 U CN 200720192860U CN 201166085 Y CN201166085 Y CN 201166085Y
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- permanent magnet
- outer sleeve
- damping
- sleeve
- magnet
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Abstract
A solid tire electric vehicle damper relates to a damping device for electric vehicles, in particular to a damper for the electric bicycles adopting solid tires. The utility model comprises a front wheel damper and a back wheel damper of an electric vehicle, wherein the front wheel damper comprises an inner limit sleeve, a dustproof corrugated tube, an outer sleeve, an axle connecting plate, a linkage guide pole and a damping spring, the back wheel damper comprises an upper sling ring, an inner limit sleeve, an outer sleeve, a lower column with a sling ring at bottom, a linkage guide pole and a damping spring. The utility model is characterized in that a couple of magnets is provided above the axis of the damping spring as a stable permanent magnet and a movable permanent magnet, which are opposite at the same polarity to generate a repellent force for the upper and lower damping. The utility model adopts the spring and the magnets together, having good damping effect, simple structure, simple installment and wide application for various electric bicycles. Fit with the electric vehicles with solid tires, the utility model can protect the tires, prevent gas leakage, prolong service life, avoid frequent tire exchange and make use convenient.
Description
Technical field
The utility model relates to a kind of damping device of electric motor car, especially a kind of vibration damper that uses on the electric bicycle that adopts solid tyre.
Background technique
Electric bicycle with its pollute less, environmental protection, energy-conservation and convenient, flexible characteristics and paid close attention to, become the desirable urban transportation tool of people gradually, especially cities and towns working clan's the first-selection product of riding instead of walk.But the tire that uses on the existing electric bicycle all is the structure that comprises cover tire and inflatable inner tube, and inflatable inner tube plays cushioning effect, and there are problems in the tire of this form, such as, working life is short, need carry out the replacing of Tire ﹠ Tube every a period of time, and this has just improved user cost; On the way poked the inner tube of a tyre by some sharp objects such as nail easily, cause gas leakage not travel, and because electric motor car is carried out becoming at heavier this moment very difficulty, make troubles and waste the time and money that repairs in a large number to people.
Reach the research and design that has also occurred in the patent solid tyre in the market, solid tyre is not poked problems such as back gas leakage, but because use the vibrations after the solid tyre bigger, existing vibration damper in the electric motor car can not solve the damping problem, so can't be extensive use of in electric motor car at present.
Summary of the invention
The purpose of this utility model will solve above-mentioned existing issue exactly, and a kind of damping device of solid tyre electric motor car is provided, and cooperates the electric motor car of solid tyre to use, and make the cyclist away from the worry of poking gas leakage, re-type, and it is more comfortable to ride.
The utility model solid tyre electric motor car vibration damper, its purpose is achieved in that it comprises the front-wheel vibration damper and the rear wheel shock-absorbing device of electric motor car, and the front-wheel vibration damper comprises internal position limited sleeve, dustproof bellows, outer sleeve, with fixing axletree connecting sheet, the interlock directional post of outer sleeve and be placed on the interlock directional post and be fixed in the damping spring of outer sleeve bottom; The rear wheel shock-absorbing device comprises that there is lower pillar stand, the interlock directional post of suspension ring upper rings, internal position limited sleeve, outer sleeve, bottom and is placed on the interlock directional post and top enters the damping spring of outer sleeve, it is characterized in that: above the axis of damping spring, pair of magnet is set, be quiet permanent magnet and moving permanent magnet, their same sexes produce repulsive force relatively and carry out damping up and down.
In the front-wheel vibration damper, quiet permanent magnet is fixed in the bottom of internal position limited sleeve, and moving permanent magnet is fixed in the abrasionproof lasso that contacts with damping spring, makes quiet, the moving permanent magnet realization cushioning effect that keeps at a certain distance away.
In the rear wheel shock-absorbing device, above-mentioned quiet permanent magnet and moving permanent magnet can be arranged on the outer sleeve inner top, are about to quiet permanent magnet and the outer sleeve inner top surface is fixed, and will move permanent magnet and the fixing back of fixed plate is fixed with damping spring; Also can be arranged on the outer upside of outer sleeve, promptly between outer sleeve and upper rings, install a damping cavity additional, make quiet permanent magnet and moving permanent magnet as in this damping cavity.
Above-mentioned magnet is permanent magnet; Above-mentioned outer sleeve, internal position limited sleeve and fixed plate all adopt non-magnetic materials such as aluminum or aluminum alloy, and be permanently effective with the magnetic that guarantees magnet; An abrasionproof lasso is arranged, to reduce friction between the two between magnet and outer sleeve.
The beneficial effects of the utility model are: 1) simple in structure, make easily, and with low cost, do not change the mounting type that has vibration damper now, be fit to present various electric bicycles; 2) after being installed on the electric bicycle, by spring and magnet acting in conjunction, good damping effect strengthens the stability and the travelling comfort of riding greatly; 3) be particularly suitable for being installed on some electric bicycles that use solid tyre, solid tyre can be used widely, allow the cyclist poke worries such as back gas leakage needs to change, working life is short away from what common pneumatic tire faced.
Description of drawings
Fig. 1 is the structural representation of rear wheel shock-absorbing device among the utility model embodiment 1;
Fig. 2 is the structural representation of front-wheel vibration damper among the utility model embodiment 1;
Fig. 3 is the three-dimensional structure diagram of rear wheel shock-absorbing device in the utility model embodiment 2 and 3;
Fig. 4 is the top structural representation of rear wheel shock-absorbing device among the utility model embodiment 2;
Fig. 5 is the top structural representation of rear wheel shock-absorbing device among the utility model embodiment 3.
The 1-upper rings; The last yielding rubber circle of 2-; The last bolt sleeve of 3-; The 4-internal position limited sleeve; The quiet permanent magnet of 5-; 6-abrasionproof lasso; 7-moves permanent magnet; The 7a-fixed plate; The 8-outer sleeve; The spacing piston ring of 9-; 10-interlock directional post; The 11-damping spring; The 12-lower pillar stand; Yielding rubber circle under the 13-; Bolt sleeve under the 14-; The 15-bellows that prevents dust; 16-abrasionproof lasso; 17-axletree connecting sheet; The 18-stop nut; 19-magnet directional post; 20-damping cavity.
Embodiment
The solid tyre electric motor car vibration damper of embodiment's 1 present embodiment, its structure can see from Fig. 1 and Fig. 2 that it comprises the front-wheel vibration damper and the rear wheel shock-absorbing device of electric motor car.The front-wheel vibration damper comprises internal position limited sleeve 4, dustproof bellows 15, outer sleeve 8, with fixing axletree connecting sheet 17, the interlock directional post 10 of outer sleeve 8 and be placed on the interlock directional post 10 and be fixed in the damping spring 11 of outer sleeve 8 bottoms; The rear wheel shock-absorbing device comprises that there is lower pillar stand 12, the interlock directional post 10 of suspension ring upper rings 1, internal position limited sleeve 4, outer sleeve 8, bottom and is placed on the interlock directional post 10 and top enters the damping spring 11 of outer sleeve 8.
The utility model is above the axis of damping spring 11 pair of magnet to be set, promptly quiet permanent magnet 5 and moving permanent magnet 7, and they are placed with same sex relative mode, produce repulsive force and realize the purpose of damping up and down.
Be the rear wheel shock-absorbing device as shown in fig. 1, quiet permanent magnet 5 and moving permanent magnet 7 are arranged on outer sleeve 8 inner tops, being about to quiet permanent magnet 5 fixes with outer sleeve 8 inner top surfaces, to move and fix with damping spring 11 after permanent magnet 7 and a fixed plate 7a fix, an abrasionproof lasso 6 will be arranged between magnet and outer sleeve 8.
The suspension ring of lower pillar stand 12 are provided with down bolt sleeve 14, are provided with yielding rubber circle 13 down between these suspension ring and following bolt sleeve 14; Upper rings 1 is provided with bolt sleeve 3, is provided with yielding rubber circle 2 between upper rings 1 and last bolt sleeve 3.
Be the front-wheel vibration damper as shown in Figure 2, quiet permanent magnet 5 is fixed in the bottom of internal position limited sleeve 4, be enclosed within abrasionproof lasso 6 on the internal position limited sleeve 4 in the top of damping spring 11 one of interpolation of circle, moving permanent magnet 7 just be fixed on this with abrasionproof lasso 6 that damping spring 11 contacts in, make quiet, move permanent magnet (5,7) the realization cushioning effect that keeps at a certain distance away.Between outer sleeve 8 and internal position limited sleeve 4, also be provided with an abrasionproof lasso 16, to reduce friction between the two.
Magnet of the present utility model is permanent magnet; The outer sleeve 8 that contacts with magnet, internal position limited sleeve 4 and fixed plate 7a adopt non-magnetic materials such as aluminum or aluminum alloy, and be permanently effective with the magnetic that guarantees magnet.The abrasionproof lasso 6 of magnet outer side surface can reduce the friction between magnet and the outer sleeve 8, prolongs the life-span of magnet.
As shown in figs. 1 and 2, lower open end at internal position limited sleeve 4 is provided with the curved or baffle ring of retaining, is provided with spacing piston ring 9 on the top of interlock directional post 10, when damping spring 11 is stretched, interlock directional post 10 moves up and down in internal position limited sleeve 4, but can not run out of internal position limited sleeve 4.Interlock directional post 10 can also form a cushion cylinder in internal position limited sleeve 4 simultaneously, and the vertical tremor that produces is cushioned.
When electric bicycle travels, because Uneven road, make that upper rings 1 and the stressed of lower pillar stand 12 can not keep stable in the rear wheel shock-absorbing device, reach preliminary damping by last yielding rubber circle 2 and following yielding rubber circle 13, when the stressed increase of upper rings 1 and lower pillar stand 12, damping spring 11 compressions, lower pillar stand 12 and outer sleeve 8 are made move toward one another, make quiet permanent magnet 5 and moving permanent magnet 7 also make move toward one another, because between magnet is repulsive force, and the near more repulsive force of distance is big more between magnet, has just reduced this move toward one another, by the acting in conjunction of spring and magnet, vibration damper is steadily shunk like this; When stressed the reducing of upper rings 1 and lower pillar stand 12, damping spring 11 is replied, and lower pillar stand 12 and outer sleeve 8 are made reverse motions, and the repulsive force between magnet reduces, and has just reduced this reverse motions, by the acting in conjunction of spring and magnet, vibration damper is steadily replied.
For the stressed instability of internal position limited sleeve 4 in the front-wheel vibration damper and axletree connecting sheet 17, spring and magnet play same purpose and make vibration damper steadily compression and answer.
The utility model is simple in structure, and front-wheel vibration damper and rear wheel shock-absorbing device do not change existing mounting type, is adapted at installing on the existing electric bicycle.Its damping effect is better, therefore can change tire into solid tyre, solves present solid tyre because the problem that the damping problem can not be used widely.
The solid tyre electric motor car vibration damper of embodiment's 2 present embodiments, its structure can be seen from Fig. 3 and Fig. 4, it is as different from Example 1: adorn a damping cavity 20 between outer sleeve 8 and upper rings 1, shown in solid line among Fig. 3, be about to quiet permanent magnet 5 and moving permanent magnet 7 and be contained in this damping cavity 20, rather than in outer sleeve 8, directly contact with damping spring 11.This moment, damping spring 11 directly contacted with outer sleeve 8 inner top surfaces.
As shown in Figure 4, damping cavity 20 tops and upper rings 1 are connected and fixed, insert in the damping cavity 20 from the bottom to top on the top of outer sleeve 8, internal position limited sleeve 4 is made into integration the back with fixed plate 7a and inserts outer sleeve 8, fixed plate 7a is positioned at damping cavity 20, and the opening internal diameter below the damping cavity 20 is more smaller than the external diameter of fixed plate 7a, can not deviate from damping cavity 20 when permanent magnet 7 is moved up and down.
Quiet permanent magnet 5 is fixed on damping cavity 20 inner top surfaces, will moves permanent magnet 7 and be fixed on above the fixed plate 7a, make quiet permanent magnet 5 and moving permanent magnet 7 in damping cavity 20, realize the damping purpose.When vibrations took place, damping spring 11 shrank up and down, and outer sleeve 8 also moves up and down thereupon, and also just realized the buffer function of magnet because the repulsive force between dynamic and static magnet makes outer sleeve 8 do reverse motions this moment, reduced vibrations, made vibration damper held stationary state.
Present embodiment can realize improving the purpose of damping effect equally with quiet permanent magnet 5 and in moving permanent magnet 7 and damping spring 11 being contained in different cavitys respectively, is the another kind of form of theme of the present utility model.
The solid tyre electric motor car vibration damper of embodiment's 3 present embodiments, its structure can be seen from Fig. 3 and Fig. 5, it is as different from Example 2: insert magnet directional post 19 after each evenly opens 3 through holes in the upper-end surface of quiet permanent magnet 5, moving permanent magnet 7 and damping cavity 20, shown in the dotted line among Fig. 3.
As shown in Figure 5, the bottom of these three magnet directional posts 19 and fixed plate 7a fix, and promptly stretch out damping cavity 20 ends at its top and twist a stop nut 18, but magnet directional post 19 servo-actuated permanent magnets 7 are moved up and down, and because stop nut 18 can not pass through through hole, more guarantee can not deviate from when it moves the upper-end surface of damping cavity 20, so more help moving up and down of magnet and can not tilt.
Claims (7)
1, a kind of solid tyre electric motor car vibration damper, it comprises the front-wheel vibration damper and the rear wheel shock-absorbing device of electric motor car, wherein the front-wheel vibration damper comprise internal position limited sleeve (4), dustproof bellows (15), outer sleeve (8), with fixing axletree connecting sheet (17), the interlock directional post (10) of outer sleeve (8) and be placed in the damping spring (11) that outer sleeve (8) bottom was gone up and be fixed in to interlock directional post (10); The rear wheel shock-absorbing device comprises that lower pillar stand (12), the interlock directional post (10) of suspension ring arranged at upper rings (1), internal position limited sleeve (4), outer sleeve (8), bottom and is placed in that interlock directional post (10) is gone up and top enters the damping spring (11) of outer sleeve (8), it is characterized in that: the axis top at described damping spring (11) is provided with pair of magnet, be quiet permanent magnet (5) and moving permanent magnet (7), their same sexes produce repulsive force relatively.
2, solid tyre electric motor car vibration damper according to claim 1, be characterized in: in the front-wheel vibration damper, described quiet permanent magnet (5) is fixed in the bottom of internal position limited sleeve (4), be enclosed within abrasionproof lasso (6) on the internal position limited sleeve (4) in the top of damping spring (11) one of interpolation of circle, moving permanent magnet (7) just be fixed on this with abrasionproof lasso (6) that damping spring (11) contacts in; In the rear wheel shock-absorbing device, described quiet permanent magnet (5) and moving permanent magnet (7) are arranged on outer sleeve (8) inner top, be that quiet permanent magnet (5) is fixed with outer sleeve (8) inner top surface, moving permanent magnet (7) is fixing with damping spring (11) with the fixing back of a fixed plate (7a); Between quiet, moving permanent magnet (5,7) and outer sleeve (8), an abrasionproof lasso (6) is arranged.
3, solid tyre electric motor car vibration damper according to claim 1, be characterized in: the suspension ring of described lower pillar stand (12) are provided with down bolt sleeve (14), are provided with yielding rubber circle (13) down between these suspension ring and following bolt sleeve (14); Upper rings (1) is provided with bolt sleeve (3), is provided with yielding rubber circle (2) between upper rings (1) and last bolt sleeve (3).
4, solid tyre electric motor car vibration damper according to claim 1 is characterized in: the described outer sleeve that contacts with magnet (8), internal position limited sleeve (4) and fixed plate (7a) all adopt non-magnetic material.
5, solid tyre electric motor car vibration damper according to claim 4, be characterized in: described non-magnetic material is an aluminum or aluminum alloy.
6, solid tyre electric motor car vibration damper according to claim 1, be characterized in: between described outer sleeve (8) and upper rings (1), adorn a damping cavity (20), this damping cavity (20) top and upper rings (1) are connected and fixed, and insert in the damping cavity (20) from the bottom to top on the top of outer sleeve (8); Described internal position limited sleeve (4) is made into integration the back with fixed plate (7a) and inserts outer sleeve (8), fixed plate (7a) is positioned at damping cavity (20), because the opening internal diameter below the damping cavity (20) is more smaller than the external diameter of fixed plate (7a), makes permanent magnet (7) can not deviate from damping cavity (20) when moving up and down; Described quiet permanent magnet (5) is fixed on damping cavity (20) inner top surface, described moving permanent magnet (7) is fixed on above the fixed plate (7a), make quiet permanent magnet (5) and moving permanent magnet (7) realize damping in damping cavity (20), described damping spring (11) directly contacts with outer sleeve (8) inner top surface; At an abrasionproof lasso of interior wall (6) of described damping cavity (20), quiet, moving permanent magnet (5,7) is not directly contacted with damping cavity (20).
7, solid tyre electric motor car vibration damper according to claim 6 is characterized in: insert magnet directional post (19) after each evenly opens 3 through holes in the upper-end surface of described quiet permanent magnet (5), moving permanent magnet (7) and damping cavity (20); Three magnet directional post (19) bottoms of inserting are fixing with fixed plate (7a), and promptly stretch out damping cavity (20) at magnet directional post (19) top and hold each stubborn stop nut (18), and magnet directional post (19) servo-actuated permanent magnet (7) is moved up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201928605U CN201166085Y (en) | 2007-12-07 | 2007-12-07 | Solid tire electric motor vehicle bumper absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201928605U CN201166085Y (en) | 2007-12-07 | 2007-12-07 | Solid tire electric motor vehicle bumper absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166085Y true CN201166085Y (en) | 2008-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201928605U Expired - Fee Related CN201166085Y (en) | 2007-12-07 | 2007-12-07 | Solid tire electric motor vehicle bumper absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201166085Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213290A (en) * | 2011-06-16 | 2011-10-12 | 张洪虎 | Permanent-magnet suspended and spring shock-absorbing device |
| CN107061616A (en) * | 2017-03-29 | 2017-08-18 | 贵州大学 | A kind of haulage vehicle power transmission shaft damping sound arrester |
| CN110578293A (en) * | 2019-09-26 | 2019-12-17 | 中铁大桥科学研究院有限公司 | Concrete box girder inspection robot |
-
2007
- 2007-12-07 CN CNU2007201928605U patent/CN201166085Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213290A (en) * | 2011-06-16 | 2011-10-12 | 张洪虎 | Permanent-magnet suspended and spring shock-absorbing device |
| CN107061616A (en) * | 2017-03-29 | 2017-08-18 | 贵州大学 | A kind of haulage vehicle power transmission shaft damping sound arrester |
| CN110578293A (en) * | 2019-09-26 | 2019-12-17 | 中铁大桥科学研究院有限公司 | Concrete box girder inspection robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20111207 |