CN1792703A - Middle joint combined apparatus of rear anti-vibration bicycle - Google Patents
Middle joint combined apparatus of rear anti-vibration bicycle Download PDFInfo
- Publication number
- CN1792703A CN1792703A CN 200610048950 CN200610048950A CN1792703A CN 1792703 A CN1792703 A CN 1792703A CN 200610048950 CN200610048950 CN 200610048950 CN 200610048950 A CN200610048950 A CN 200610048950A CN 1792703 A CN1792703 A CN 1792703A
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- center tap
- chain stay
- rear anti
- bottom bracket
- vibration bicycle
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Abstract
A middle joint module for the bicycle with back vibration damping function features that the middle axle sleeve connected to the end of frame's tube is arranged between the front ends of left and right forks, the left and right forks is matched with said middle axle sleeve in rotary mode via the middle joint fixed in their front hole and a middle axle is arranged in said middle joint via left and right bowls and steel balls. Its advantages are simple structure, low cost and high vibration-damping effect.
Description
Technical field
The invention belongs to the bicycle accessories technical field, be specially a kind of rear anti-vibration bicycle center tap composite set.
Background technology
At present, two cover center taps before and after generally the rear anti-vibration bicycle of Shi Yonging mostly is greatly are made of preceding center tap assembly and back center tap assembly binding.Preceding center tap assembly comprises the preceding axis rod that cooperatively interacts, preceding center tap, preceding left axle cap, preceding right axle cap, steel ball, preceding axis locknut; Back center tap assembly comprises back center tap, the left lining in back, the right lining in back, the binding bolt that cooperatively interacts; Forward and backward center tap assembly connects by left clamping plate, right clamping plate.When riding, meet different road conditions and can produce the different amplitude of jolting up and down, the shaking force that generation varies in size, pass through the combined action of back center tap and Shock absorber then, offset and reduce and shake counter-force, realize the purpose of shock-absorbing and safety and comfort, still, this device appearance style tradition, structure relative complex, manufacturing cost height, intensity and resistance to abrasion are bad, and assembling is also all inconvenient with maintenance.
Summary of the invention
The present invention is directed to the above-mentioned problems in the prior art, design provides a kind of technical scheme of rear anti-vibration bicycle center tap composite set, and it is simple in structure, low cost of manufacture, shock-proof effect are good.
Described rear anti-vibration bicycle center tap composite set, it is characterized in that the terminal bonded assembly bottom bracket axle of vehicle frame pipe is arranged between left chain stay, the right chain stay front end, center tap with its heavy keying fit is set in left side chain stay, the right chain stay front aperture, left side chain stay, right chain stay are by center tap and bottom bracket axle normal-running fit, the axis rod of normal-running fit is set by right axle cap, left axle cap and steel ball in the center tap, the axis locknut is set on the left axle cap.
Described rear anti-vibration bicycle center tap composite set is characterized in that key, the keyway heavy keying fit of correspondence position by cooperatively interacting of left chain stay, right chain stay front aperture inwall and center tap two ends outer wall.
Described rear anti-vibration bicycle center tap composite set is characterized in that being provided with nylon jacket between bottom bracket axle and the center tap.
Above-mentioned rear anti-vibration bicycle center tap composite set, reasonable in design ingenious, compact conformation, simple.Adopt this center tap composite set the function of original forward and backward center tap assembly can be united two into one, both simplified structure, reduced manufacturing cost, improved shock-proof effect again, the structure design that makes car load is smooth more, succinct, assembling is used safer comfortable with easy to maintenance.
Description of drawings
Fig. 1 is a structural representation of the present invention; Fig. 2 is Fig. 1 right elevation.
The specific embodiment
The present invention will be described in detail below in conjunction with accompanying drawing.As shown in the figure, the vehicle frame pipe 7 terminal bottom bracket axles 6 that connect, bottom bracket axle 6 adopts the connection structure of welding, riveting or being spirally connected with vehicle frame pipe 7.Bottom bracket axle 6 is arranged between the left chain stay 1 that links into an integrated entity, right chain stay 12 front ends, the center tap 8 of setting and its heavy keying fit in left chain stay 1, right chain stay 12 front aperture, and left chain stay 1, right chain stay 12 are by center tap 8 and bottom bracket axle 6 normal-running fiies.Be provided with nylon jacket 5 between bottom bracket axle 6 and the center tap 8, center tap 8 and nylon jacket 5 inwall normal-running fiies, nylon jacket 5 outer walls and the mutual close-fitting of bottom bracket axle 6 inwalls.Left side chain stay 1, right chain stay 12 front aperture inwalls radially are provided with four identical shaped keys 13, and the corresponding keyway 9 that cooperates with it is set on cooresponding center tap 8 two ends outer walls.Described key 13 is flat key, triangular key, circular arc key or other shape, key 13 and cooresponding keyway 9 be a pair of or a pair of more than.Be provided with in the center tap 8 right axle cap 11, left axle cap 2, steel ball 3 and with the axis rod 10 of its normal-running fit, right axle cap 11, left axle cap 2 and center tap 8 are spirally connected by internal and external threads, and axis locknut 4 is set on the left axle cap 2.
During use, with the left chain stay 1 of center tap 8 heavy keying fit, right chain stay 12 because of being subjected to the effect of upward pressure and following counter-force, make it center on turning down on the nylon jacket 5, form the phenomenon of floating continuously between left chain stay 1, right chain stay 12 and the vehicle frame pipe 7, reduce the vibrations counter-force by Shock absorber again, improved shock-proof effect, made the more comfortable safety of riding.The technical scheme that relates among the application not only is applicable to various bicycles, and is suitable for various Electrical Bicycles.
Claims (5)
1. rear anti-vibration bicycle center tap composite set, it is characterized in that the terminal bonded assembly bottom bracket axle of vehicle frame pipe (7) (6) is arranged between left chain stay (1), right chain stay (12) front end, center tap (8) with its heavy keying fit is set in left side chain stay (1), right chain stay (12) front aperture, left side chain stay (1), right chain stay (12) are by center tap (8) and bottom bracket axle (6) normal-running fit, the axis rod (10) of normal-running fit is set by right axle cap (11), left axle cap (2) and steel ball (3) in the center tap (8), axis locknut (4) is set on the left axle cap (2).
2. rear anti-vibration bicycle center tap composite set according to claim 1 is characterized in that key (13), keyway (9) heavy keying fit of correspondence position by cooperatively interacting of left chain stay (1), right chain stay (12) front aperture inwall and center tap (8) two ends outer wall.
3. rear anti-vibration bicycle center tap composite set according to claim 1 is characterized in that being provided with nylon jacket (5) between bottom bracket axle (6) and the center tap (8).
4. rear anti-vibration bicycle center tap composite set according to claim 1 is characterized in that the connection structure that bottom bracket axle (6) and vehicle frame pipe (7) adopt welding, rivet or be spirally connected.
5. rear anti-vibration bicycle center tap composite set according to claim 1 is characterized in that key (13) and cooresponding keyway (9) are for more than a pair of or a pair of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610048950 CN1792703A (en) | 2006-01-09 | 2006-01-09 | Middle joint combined apparatus of rear anti-vibration bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610048950 CN1792703A (en) | 2006-01-09 | 2006-01-09 | Middle joint combined apparatus of rear anti-vibration bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1792703A true CN1792703A (en) | 2006-06-28 |
Family
ID=36804401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610048950 Pending CN1792703A (en) | 2006-01-09 | 2006-01-09 | Middle joint combined apparatus of rear anti-vibration bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1792703A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128425A (en) * | 2017-05-31 | 2017-09-05 | 龚洭驿 | A kind of middle joint combined apparatus of rear anti-vibration bicycle |
-
2006
- 2006-01-09 CN CN 200610048950 patent/CN1792703A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128425A (en) * | 2017-05-31 | 2017-09-05 | 龚洭驿 | A kind of middle joint combined apparatus of rear anti-vibration bicycle |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |