CN201961477U - Shock absorption front fork of electric bicycle - Google Patents
Shock absorption front fork of electric bicycle Download PDFInfo
- Publication number
- CN201961477U CN201961477U CN2011200843930U CN201120084393U CN201961477U CN 201961477 U CN201961477 U CN 201961477U CN 2011200843930 U CN2011200843930 U CN 2011200843930U CN 201120084393 U CN201120084393 U CN 201120084393U CN 201961477 U CN201961477 U CN 201961477U
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- Prior art keywords
- damping spring
- fork
- external member
- damping
- front fork
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- Expired - Fee Related
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Abstract
The utility model relates to a shock absorption front fork of an electric bicycle, which comprises a fork stand pipe, a fork shoulder and two shock absorption legs, wherein the fork stand pipe is vertically and fixedly arranged in the middle of an upper plane of the fork shoulder, the two shock absorption legs are respectively, vertically and fixedly arranged at both ends of a lower plane of the fork shoulder, both ends of the lower plane of the fork shoulder are respectively, vertically and fixedly provided with an upper casing pipe, the upper end of an extension tube and an upper shock absorption spring kit are arranged in each upper casing pipe, upper limit rods penetrate through the upper shock absorption spring kits, one ends of the upper limit rods are respectively and fixedly arranged on the fork shoulder, and the other ends of the upper limit rods are clamped outside the lower ends of the upper shock absorption spring kits. The shock absorption front fork of the electric bicycle has a simple structure, a scientific and reasonable design, good safety and long service life, the shock in the running process of the electric bicycle is effectively reduced, the driving comfort and the stability of the electric bicycle are improved, and the shock absorption front fork of the electric bicycle is reliable.
Description
Technical field
The utility model belongs to the Electrical Bicycle field, especially a kind of Electrical Bicycle shock-absorbing front fork.
Background technology
Because the Electrical Bicycle walking is when ups and downs road surface, body oscillating obviously strengthens, and can cause vibrations and impact to human body wrist and arm, human body is not felt well, and simultaneously, the vibrations of handlebar can make the restive vehicle of people, and can cause driving shakiness, even produce dangerous.For alleviating this vibrations and impact, vehicle adopts the method that shock-absorbing front fork is installed more, existing Electrical Bicycle front fork structure mainly comprises the fork standpipe, fork shoulder and two damping legs, the fork standpipe vertically is packed in the centre that the fork shoulder is gone up the plane, two damping legs vertically are packed in the two ends of fork shoulder lower plane respectively, the damping leg comprises telescopic pipe, case in, following damping spring external member and lower limit bar, telescopic pipe lower end and following damping spring external member are arranged in the case in, the lower limit bar is through damping spring external member and one end and telescopic pipe lower end install down, the other end is installed on outside the case in lower end, though this kind structure front fork can play the effect of some dampings, its damping effect is undesirable, the handlebar vibrations are bigger in travelling, traveling comfort and stability are difficult to guarantee and exist potential safety hazard.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of Electrical Bicycle shock-absorbing front fork is provided, this shock-absorbing front fork is simple in structure, design science is reasonable, safety is good, long service life, can effectively reduce Electrical Bicycle vibrations under steam, improves and drives Electrical Bicycle traveling comfort and stability.
The utility model solves its technical matters and is achieved through the following technical solutions:
A kind of Electrical Bicycle shock-absorbing front fork, comprise the fork standpipe, fork shoulder and two damping legs, the fork standpipe vertically is packed in the centre that the fork shoulder is gone up the plane, two damping legs vertically are packed in the two ends of fork shoulder lower plane respectively, the damping leg comprises telescopic pipe, case in, following damping spring external member and lower limit bar, telescopic pipe lower end and following damping spring external member are arranged in the case in, the lower limit bar is through damping spring external member and one end and telescopic pipe lower end install down, the other end is installed on outside the case in lower end, its two ends at fork shoulder lower plane vertically install sleeve pipe on respectively, the damping spring external member is arranged in the sleeve pipe on the telescopic pipe upper end and, the upper limit bar is packed on the fork shoulder through last damping spring external member and one end, and the other end is installed on outside the damping spring external member lower end.
And described telescopic pipe upper end is contained in damping spring external member lower end by slip cap top.
And described upward damping spring external member and following damping spring external member include damping spring, upper spring seat and lower spring cup, and the upper end of damping spring installs upper spring seat, and the lower end of damping spring installs lower spring cup.
And, the described coaxial upper sleeve gasket that installs of sleeve pipe lower inner wall of going up, the coaxial back seal circle that installs in this upper sleeve gasket lower end, this upper sleeve gasket and back seal snare are contained in outside the telescopic pipe outer wall.
And, the coaxial lower sleeve gasket that installs of described case in inwall, this coaxial lower seal that installs in lower sleeve gasket upper end, this lower sleeve gasket is sleeved on down outside the damping spring external member, and lower seal is sleeved on outside the telescopic pipe outer wall.
And, being fixed with a link span between described two damping legs, the two ends of this link span are packed in respectively on the damping leg.
Advantage of the present utility model and beneficial effect are:
1, this Electrical Bicycle shock-absorbing front fork vertically installs sleeve pipe on respectively at the two ends of fork shoulder lower plane, the damping spring external member is arranged in the sleeve pipe on the telescopic pipe upper end and, the upper limit bar is packed on the fork shoulder through last damping spring external member and one end, the other end is installed on outside the damping spring external member lower end, this kind structure can effectively improve traveling comfort and the stability when driving, even also can steadily ride in the road surface of jolting, guaranteed traveling security.
2, the coaxial upper sleeve gasket that installs of the last sleeve pipe lower inner wall of this Electrical Bicycle shock-absorbing front fork, the coaxial back seal circle that installs in this upper sleeve gasket lower end, this upper sleeve gasket and back seal snare are contained in outside the telescopic pipe outer wall, the coaxial lower sleeve gasket that installs of case in inwall, this coaxial lower seal that installs in lower sleeve gasket upper end, this lower sleeve gasket is sleeved on down outside the damping spring external member, lower seal is sleeved on outside the telescopic pipe outer wall, this kind structure has played the better seal effect, can effectively prolong the service life of front fork, reduce the maintenance maintenance cost.
3, the utility model is simple in structure, design science is reasonable, safety is good, long service life, can effectively reduce Electrical Bicycle vibrations under steam, improving and drive Electrical Bicycle traveling comfort and stability, is a kind of failure-free Electrical Bicycle shock-absorbing front fork.
Description of drawings
Fig. 1 is a front view of the present utility model;
Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is the back view (semi-sictional view also omits fork and colludes) of Fig. 1.
The specific embodiment
The utility model is described in further detail below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of Electrical Bicycle shock-absorbing front fork, comprise fork standpipe 1,2 and two damping legs of fork shoulder, be fixed with fork hook 7 respectively two damping leg lower ends, be used for being connected with front-wheel, be fixed with a link span 4 between two damping legs, the two ends of this link span are packed in respectively on the damping leg, the fork standpipe vertically is packed in the centre that the fork shoulder is gone up the plane, two damping legs vertically are packed in the two ends of fork shoulder lower plane respectively, the damping leg comprises telescopic pipe 5, case in 6, following damping spring external member and lower limit bar 17, telescopic pipe lower end and following damping spring external member are arranged in the case in, the lower limit bar is through damping spring external member and one end and telescopic pipe lower end install down, the other end is installed on outside the case in lower end, the coaxial lower sleeve gasket 16 that installs of case in inwall, this coaxial lower seal 15 that installs in lower sleeve gasket upper end, this lower sleeve gasket is sleeved on down outside the damping spring external member, lower seal is sleeved on outside the telescopic pipe outer wall, its two ends at fork shoulder lower plane vertically install sleeve pipe 3 on respectively, the damping spring external member is arranged in the sleeve pipe on the telescopic pipe upper end and, the telescopic pipe upper end is contained in damping spring external member lower end by a slip cap 12 tops, upper limit bar 10 is packed on the fork shoulder through last damping spring external member and one end, and the other end is installed on outside the damping spring external member lower end.Last damping spring external member and following damping spring external member include damping spring 9, upper spring seat 8 and lower spring cup 11, and the upper end of damping spring installs upper spring seat, and the lower end of damping spring installs lower spring cup.The coaxial upper sleeve gasket 13 that installs of last sleeve pipe lower inner wall, the coaxial back seal circle 14 that installs in this upper sleeve gasket lower end, this upper sleeve gasket and back seal snare are contained in outside the telescopic pipe outer wall.
The utility model principle of work, when this shock-absorbing front fork is stressed, the telescopic pipe upper end heads on the damping spring external member by slip cap, damping spring deformation absorbs energy, upper limit bar lower end will be stretched in the telescopic pipe, the telescopic pipe lower end heads on down the damping spring external member simultaneously, damping spring deformation absorbs energy, stretch out outside the case in lower limit bar lower end, when this shock-absorbing front fork does not stress, damping spring in last damping spring external member and the following damping spring external member resets, and upper limit bar lower end is installed on outside the damping spring external member lower end, and the lower end of lower limit bar is installed on outside the case in lower end simultaneously.
Claims (6)
1. Electrical Bicycle shock-absorbing front fork, comprise the fork standpipe, fork shoulder and two damping legs, the fork standpipe vertically is packed in the centre that the fork shoulder is gone up the plane, two damping legs vertically are packed in the two ends of fork shoulder lower plane respectively, the damping leg comprises telescopic pipe, case in, following damping spring external member and lower limit bar, telescopic pipe lower end and following damping spring external member are arranged in the case in, the lower limit bar is through damping spring external member and one end and telescopic pipe lower end install down, the other end is installed on outside the case in lower end, it is characterized in that: the two ends at fork shoulder lower plane vertically install sleeve pipe on respectively, the damping spring external member is arranged in the sleeve pipe on the telescopic pipe upper end and, the upper limit bar is packed on the fork shoulder through last damping spring external member and one end, and the other end is installed on outside the damping spring external member lower end.
2. Electrical Bicycle shock-absorbing front fork according to claim 1 is characterized in that: described telescopic pipe upper end is contained in damping spring external member lower end by slip cap top.
3. Electrical Bicycle shock-absorbing front fork according to claim 1, it is characterized in that: described upward damping spring external member and following damping spring external member include damping spring, upper spring seat and lower spring cup, the upper end of damping spring installs upper spring seat, and the lower end of damping spring installs lower spring cup.
4. Electrical Bicycle shock-absorbing front fork according to claim 1, it is characterized in that: the described coaxial upper sleeve gasket that installs of sleeve pipe lower inner wall of going up, the coaxial back seal circle that installs in this upper sleeve gasket lower end, this upper sleeve gasket and back seal snare are contained in outside the telescopic pipe outer wall.
5. Electrical Bicycle shock-absorbing front fork according to claim 1, it is characterized in that: the coaxial lower sleeve gasket that installs of described case in inwall, this coaxial lower seal that installs in lower sleeve gasket upper end, this lower sleeve gasket is sleeved on down outside the damping spring external member, and lower seal is sleeved on outside the telescopic pipe outer wall.
6. Electrical Bicycle shock-absorbing front fork according to claim 1 is characterized in that: be fixed with a link span between described two damping legs, the two ends of this link span are packed in respectively on the damping leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200843930U CN201961477U (en) | 2011-03-28 | 2011-03-28 | Shock absorption front fork of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200843930U CN201961477U (en) | 2011-03-28 | 2011-03-28 | Shock absorption front fork of electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201961477U true CN201961477U (en) | 2011-09-07 |
Family
ID=44524012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200843930U Expired - Fee Related CN201961477U (en) | 2011-03-28 | 2011-03-28 | Shock absorption front fork of electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201961477U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106314659A (en) * | 2016-09-30 | 2017-01-11 | 杨智霞 | Lateral spring-prevention buffer front fork |
| CN107512345A (en) * | 2017-09-29 | 2017-12-26 | 浙江德清久胜车业有限公司 | The folded step perambulator of damping |
-
2011
- 2011-03-28 CN CN2011200843930U patent/CN201961477U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106314659A (en) * | 2016-09-30 | 2017-01-11 | 杨智霞 | Lateral spring-prevention buffer front fork |
| CN106314659B (en) * | 2016-09-30 | 2019-01-15 | 徐州市弘钻车业有限公司 | Lateral shellproof buffering front fork |
| CN107512345A (en) * | 2017-09-29 | 2017-12-26 | 浙江德清久胜车业有限公司 | The folded step perambulator of damping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20160328 |