CN105090335A - Rear shock absorber of electric bicycle - Google Patents
Rear shock absorber of electric bicycle Download PDFInfo
- Publication number
- CN105090335A CN105090335A CN201510331785.5A CN201510331785A CN105090335A CN 105090335 A CN105090335 A CN 105090335A CN 201510331785 A CN201510331785 A CN 201510331785A CN 105090335 A CN105090335 A CN 105090335A
- Authority
- CN
- China
- Prior art keywords
- shock absorber
- electric bicycle
- piston
- damping
- cylinder body
- 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.)
- Pending
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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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
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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
- F16F9/32—Details
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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
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
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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
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to the field of shock absorbers, and aims at providing a rear shock absorber of an electric bicycle. The rear shock absorber comprises an oil cylinder body of which one end is provided with a lower connector, a piston which is positioned in the oil cylinder body, a shock absorbing shaft of which the upper end is provided with an upper connector, and a shock absorbing spring which is arranged at the outside of the oil cylinder body in a sleeving manner, wherein the lower connector and the upper connector are respectively pressed through the two ends of the shock absorbing spring. The rear shock absorber further comprises a damping adjusting device; a damping hole which runs through the upper end surface and the lower end surface is formed in the piston; the lower end of the shock absorbing shaft passes through the damping adjusting device to be connected with the piston. When the electric bicycle runs with load, the upper end of the shock absorbing shaft of the rear shock absorber is pressed, and the shock absorbing spring is telescoped to absorb shock; in case of large shock, the damping adjusting device and the shock absorbing spring work together to change the shock frequency, so as to improve the shock absorbing effect. The rear shock absorber of the electric bicycle has a good shock absorbing effect.
Description
Technical field
The present invention relates to vibration damper field, especially a kind of electric bicycle rear shock absorber.
Background technique
In order to damping, electric bicycle has rear shock absorber, Chinese Patent Application No.: the model utility of 201220463062.2 discloses a kind of rear shock absorber, comprises damper, and damper connection damper oil cylinder, damper oil cylinder is arranged with damping spring; Damper connects one end of damping spring, and the other end of damping spring connects upper connection; The side of damper is provided with eccentric mounting hole, and eccentric mounting hole is positioned at the outside of vibration damper shaft axis.There is the poor deficiency of damping effect in traditional rear shock absorber, therefore, designs the good electric bicycle rear shock absorber of a kind of damping effect, become problem demanding prompt solution.
Summary of the invention
The object of the invention is to overcome current rear shock absorber that to there is damping effect poor, providing a kind of damping effect good electric bicycle rear shock absorber.
Concrete technological scheme of the present invention is:
A kind of electric bicycle rear shock absorber, comprises one end is provided with the cylinder body of lower union joint, the piston being arranged in cylinder body, upper end are provided with upper binding head elastic axis, is set in the damping spring that the outer and two ends of cylinder body push down lower union joint and upper binding head respectively; Described electric bicycle rear shock absorber also comprises damping adjustment device; Piston is provided with the damping hole running through upper and lower both ends of the surface; The lower end of elastic axis is connected with piston through damping adjustment device.When this electric bicycle rear shock absorber bears a heavy burden and travels, elastic axis upper end pressurized, damping spring stretches damping; When shaking larger, by damping adjustment device and damping spring acting in conjunction, can vibration frequency be changed, improving damping effect.This electric bicycle rear shock absorber damping effect is better.
As preferably, described damping adjustment device comprises and is positioned at the valve block on the upside of piston, dish-shaped shell fragment and position limit socket from bottom to up successively; The lower end of elastic axis is provided with linkage section; Linkage section is connected with piston with valve block through position limit socket, dish-shaped shell fragment; Valve block is provided with and runs through upper and lower both ends of the surface and the attachment hole be communicated with damping hole; The large side pressure of dish shell fragment lives valve block upper end; The radius of the large end of dish shell fragment is less than the distance between cylinder body axis and attachment hole gusset outer end; The radius of the large end of dish shell fragment is greater than the distance between cylinder body axis and attachment hole gusset the inner.By dish-shaped shell fragment compressive deformation degree size, regulate dish-shaped shell fragment to cover the degree damping adjusting size of attachment hole, make damping effect better.
As preferably, described damping adjustment device also comprises the damping spring be enclosed within outside elastic axis; The upper end of position limit socket and cylinder body is pushed down at the two ends of damping spring respectively; The elasticity coefficient of damping spring is less than the elasticity coefficient of damping spring.When shaking larger, by damping spring, flexible and damping spring acting in conjunction, can change vibration frequency, improves damping effect.
As preferably, described piston is made up of iron-base powder metallurgy material.Easily manufactured, cost is low.
As preferably, the lower end surface of described piston is provided with lower shrinkage pool and is arranged in lower shrinkage pool and the tightening nut be threaded with linkage section.Tightening nut is threaded fastening with linkage section, be beneficial to assembling and can overcome directly riveted joint easily causes damage deficiency to piston.
As preferably, the upper-end surface of described piston is provided with upper concave hole; Position limit socket lower end is provided with the spacing head stretched into through valve block in upper concave hole; The diameter of dish shell fragment small end and the diameter matches of spacing head.Dish-shaped shell fragment radial displacement can be prevented.
As preferably, the gusset of described cylinder body is provided with toroidal cavity.Improve the rigidity of cylinder body and there is function of shock insulation.
Compared with prior art, the invention has the beneficial effects as follows: this electric bicycle rear shock absorber damping effect is better.When shaking larger, by damping spring, flexible and damping spring acting in conjunction, can change vibration frequency, improves damping effect.By dish-shaped shell fragment compressive deformation degree size, regulate dish-shaped shell fragment to cover the degree damping adjusting size of attachment hole, make damping effect better.Piston is made up of iron-base powder metallurgy material, easily manufactured, and cost is low.Tightening nut is threaded fastening with linkage section, be beneficial to assembling and can overcome directly riveted joint easily causes damage deficiency to piston.The diameter of dish shell fragment small end and the diameter matches of spacing head, can prevent dish-shaped shell fragment radial displacement.The gusset of cylinder body is provided with toroidal cavity, improves the rigidity of cylinder body and has function of shock insulation.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the enlarged view at A place in Fig. 1.
In figure: lower union joint-1, cylinder body-2, piston-3, upper binding head-4, elastic axis-5, damping spring-6, damping hole-7, valve block-8, dish-shaped shell fragment-9, position limit socket-10, linkage section-11, attachment hole-12, damping spring-13, upper concave hole-14, spacing head-15, toroidal cavity-16, lower shrinkage pool 17, tightening nut 18.
Embodiment
Below in conjunction with shown in accompanying drawing, the present invention is described further.
As shown in accompanying drawing 1, accompanying drawing 2: a kind of electric bicycle rear shock absorber, comprise one end is provided with the cylinder body 2 of lower union joint 1, the piston 3 being arranged in cylinder body 2, upper end are provided with upper binding head 4 elastic axis 5, be set in cylinder body outer 2 and two ends push down the damping spring 6 of lower union joint 1 and upper binding head 4, damping adjustment device respectively; Piston 3 is provided with the damping hole 7 running through upper and lower both ends of the surface; The lower end of elastic axis 5 is connected with piston 3 through damping adjustment device.
Described damping adjustment device comprises the valve block 8, dish-shaped shell fragment 9 and the position limit socket 10 that are positioned at successively from bottom to up on the upside of piston 3; The lower end of elastic axis 5 is provided with linkage section 11; Linkage section 11 is connected with piston 3 with valve block 8 through position limit socket 10, dish-shaped shell fragment 9; Valve block 8 is provided with and runs through upper and lower both ends of the surface and the attachment hole 12 be communicated with damping hole 7; The large side pressure of dish shell fragment 9 lives valve block 8 upper end; The radius that dish shell fragment 9 is held greatly is less than the distance between cylinder body 2 axis and attachment hole 12 gusset outer end; The radius that dish shell fragment 9 is held greatly is greater than the distance between cylinder body 2 axis and attachment hole 12 gusset the inner.In the present embodiment, described piston 3 is made up of iron-base powder metallurgy material.The lower end surface of described piston 3 is provided with lower shrinkage pool 17 and is arranged in lower shrinkage pool 17 and the tightening nut 18 be threaded with linkage section 11.Tightening nut 18 is stretched out and pier nose riveted joint in the lower end of linkage section 11.
Described damping adjustment device also comprises the damping spring 13 be enclosed within outside elastic axis 5; The upper end of position limit socket 10 and cylinder body 2 is pushed down at the two ends of damping spring 13 respectively; The elasticity coefficient of damping spring 13 is less than the elasticity coefficient of damping spring 6.
The upper-end surface of described piston 3 is provided with upper concave hole 14; Position limit socket 10 lower end is provided with spacing 15 of to stretch into through valve block 8 in upper concave hole 14; The diameter of dish shell fragment 9 small end coordinates with the diametric clearance of spacing 15.
The gusset of described cylinder body 2 is provided with toroidal cavity 16.
When this electric bicycle rear shock absorber bears a heavy burden and travels, elastic axis 5 upper end pressurized, damping spring 6 stretches damping; When shaking larger, by damping spring 13, flexible and damping spring 6 acting in conjunction, can change vibration frequency, improves damping effect; By dish-shaped shell fragment 9 compressive deformation degree size, regulate dish-shaped shell fragment 9 to cover the degree damping adjusting size of attachment hole 12, make damping effect better.
The invention has the beneficial effects as follows: this electric bicycle rear shock absorber damping effect is better.When shaking larger, by damping spring, flexible and damping spring acting in conjunction, can change vibration frequency, improves damping effect.By dish-shaped shell fragment compressive deformation degree size, regulate dish-shaped shell fragment to cover the degree damping adjusting size of attachment hole, make damping effect better.Piston is made up of iron-base powder metallurgy material, easily manufactured, and cost is low.Tightening nut is threaded fastening with linkage section, be beneficial to assembling and can overcome directly riveted joint easily causes damage deficiency to piston.The diameter of dish shell fragment small end coordinates with the diametric clearance of spacing head, can prevent dish-shaped shell fragment radial displacement.The gusset of cylinder body is provided with toroidal cavity, improves the rigidity of cylinder body and has function of shock insulation.
It is apparent to one skilled in the art that the present invention can change into various ways, and such change is not thought and departed from the scope of the present invention.All like this to the apparent amendment of the technician in described field, by be included in this claim scope within.
Claims (7)
1. an electric bicycle rear shock absorber, comprises one end is provided with the cylinder body of lower union joint, the piston being arranged in cylinder body, upper end are provided with upper binding head elastic axis, is set in the damping spring that the outer and two ends of cylinder body push down lower union joint and upper binding head respectively; It is characterized in that, described electric bicycle rear shock absorber also comprises damping adjustment device; Piston is provided with the damping hole running through upper and lower both ends of the surface; The lower end of elastic axis is connected with piston through damping adjustment device.
2. electric bicycle rear shock absorber according to claim 1, is characterized in that: described damping adjustment device comprises and is positioned at the valve block on the upside of piston, dish-shaped shell fragment and position limit socket from bottom to up successively; The lower end of elastic axis is provided with linkage section; Linkage section is connected with piston with valve block through position limit socket, dish-shaped shell fragment; Valve block is provided with and runs through upper and lower both ends of the surface and the attachment hole be communicated with damping hole; The large side pressure of dish shell fragment lives valve block upper end; The radius of the large end of dish shell fragment is less than the distance between cylinder body axis and attachment hole gusset outer end; The radius of the large end of dish shell fragment is greater than the distance between cylinder body axis and attachment hole gusset the inner.
3. electric bicycle rear shock absorber according to claim 2, is characterized in that: described damping adjustment device also comprises the damping spring be enclosed within outside elastic axis; The upper end of position limit socket and cylinder body is pushed down at the two ends of damping spring respectively; The elasticity coefficient of damping spring is less than the elasticity coefficient of damping spring.
4. electric bicycle rear shock absorber according to claim 2, is characterized in that: described piston is made up of iron-base powder metallurgy material.
5. electric bicycle rear shock absorber according to claim 4, is characterized in that: the lower end surface of described piston is provided with lower shrinkage pool and is arranged in lower shrinkage pool and the tightening nut be threaded with linkage section.
6. the electric bicycle rear shock absorber according to Claims 2 or 3 or 4 or 5, is characterized in that: the upper-end surface of described piston is provided with upper concave hole; Position limit socket lower end is provided with the spacing head stretched into through valve block in upper concave hole; The diameter of dish shell fragment small end and the diameter matches of spacing head.
7. the electric bicycle rear shock absorber according to claim 1 or 2 or 3 or 4 or 5, is characterized in that: the gusset of described cylinder body is provided with toroidal cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510331785.5A CN105090335A (en) | 2015-06-16 | 2015-06-16 | Rear shock absorber of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510331785.5A CN105090335A (en) | 2015-06-16 | 2015-06-16 | Rear shock absorber of electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105090335A true CN105090335A (en) | 2015-11-25 |
Family
ID=54571407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510331785.5A Pending CN105090335A (en) | 2015-06-16 | 2015-06-16 | Rear shock absorber of electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105090335A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036015A (en) * | 2017-11-23 | 2018-05-15 | 台州绿嘉壹科技有限公司 | A kind of rear shock absorber |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2906377A (en) * | 1956-11-14 | 1959-09-29 | Renault | Shock absorber with valves in piston seal |
| CN2918206Y (en) * | 2006-03-31 | 2007-07-04 | 陆杰 | Interchangeable rear shock absorber for motorcycle |
| CN200971945Y (en) * | 2006-11-21 | 2007-11-07 | 陆凯 | Double-changed damping shock-absorber |
| WO2010101521A1 (en) * | 2009-03-03 | 2010-09-10 | öHLINS RACING AB | Shock absorber with dual piston with reduced damping in initial part of the stroke |
| CN202768716U (en) * | 2012-09-12 | 2013-03-06 | 喻建中 | Rear shock absorber capable of reducing oil leakage and stabilizing damping effect |
| CN203257968U (en) * | 2013-01-31 | 2013-10-30 | 台州齐力减震器有限公司 | Rear shock absorber |
| CN104455169A (en) * | 2014-11-24 | 2015-03-25 | 重庆市亮影工贸有限公司 | Damping working cylinder and motorcycle shock absorber |
| CN204755719U (en) * | 2015-06-16 | 2015-11-11 | 台州绿嘉壹车辆部件有限公司 | Bumper shock absorber behind electric bicycle |
-
2015
- 2015-06-16 CN CN201510331785.5A patent/CN105090335A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2906377A (en) * | 1956-11-14 | 1959-09-29 | Renault | Shock absorber with valves in piston seal |
| CN2918206Y (en) * | 2006-03-31 | 2007-07-04 | 陆杰 | Interchangeable rear shock absorber for motorcycle |
| CN200971945Y (en) * | 2006-11-21 | 2007-11-07 | 陆凯 | Double-changed damping shock-absorber |
| WO2010101521A1 (en) * | 2009-03-03 | 2010-09-10 | öHLINS RACING AB | Shock absorber with dual piston with reduced damping in initial part of the stroke |
| CN202768716U (en) * | 2012-09-12 | 2013-03-06 | 喻建中 | Rear shock absorber capable of reducing oil leakage and stabilizing damping effect |
| CN203257968U (en) * | 2013-01-31 | 2013-10-30 | 台州齐力减震器有限公司 | Rear shock absorber |
| CN104455169A (en) * | 2014-11-24 | 2015-03-25 | 重庆市亮影工贸有限公司 | Damping working cylinder and motorcycle shock absorber |
| CN204755719U (en) * | 2015-06-16 | 2015-11-11 | 台州绿嘉壹车辆部件有限公司 | Bumper shock absorber behind electric bicycle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108036015A (en) * | 2017-11-23 | 2018-05-15 | 台州绿嘉壹科技有限公司 | A kind of rear shock absorber |
| CN108036015B (en) * | 2017-11-23 | 2019-04-16 | 台州绿嘉壹科技有限公司 | A kind of rear shock absorber |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151125 |