CN201080233Y - Damping front fork - Google Patents
Damping front fork Download PDFInfo
- Publication number
- CN201080233Y CN201080233Y CNU2007201210407U CN200720121040U CN201080233Y CN 201080233 Y CN201080233 Y CN 201080233Y CN U2007201210407 U CNU2007201210407 U CN U2007201210407U CN 200720121040 U CN200720121040 U CN 200720121040U CN 201080233 Y CN201080233 Y CN 201080233Y
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- CN
- China
- Prior art keywords
- compression spring
- tubes
- crowns
- pipe
- outer tube
- 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.)
- Expired - Fee Related
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a shock absorber front fork, which comprises two top tubes, upper crowns fixed at the top ends of the two top tubes, crowns which can movably nested on the top tubes, standpipes penetrated through the upper crowns and provided with bottom ends fixed on the crowns, two outer tubes respectively nested at the bottom ends of the corresponding top tubes, and cable hangers erected on the two outer tubes, wherein a guiding rod respectively inserted into the top tubes is respectively arranged at the bottom parts inside the outer tubes, a first compression spring is arranged on the guiding rod, and the both ends of the first compression spring are respectively propped against the bottom end surfaces of the top tubes and the bottom surfaces of the outer tubes; a second compression spring is nested at the position where each top tube is positioned among the crowns and the outer tubes, and the upper and lower ends of the second compression spring are respectively propped against the top ends of the crowns and the outer tubes. Through a second compression spring nested at the position where each top tube is positioned among the crowns and the outer tubes, the utility model can play the role of shock absorption together with the first compression spring arranged inside the outer tubes, therefore, the shock absorbing performance of the second compression spring is better, and particularly the front fork which is not damaged under the condition of stronger vibration can be better protected.
Description
Technical field
The utility model relates to a kind of such as for motor vehicle shock absorption devices such as bicycle or motor bikes, especially a kind of shock-absorbing front fork.
Background technology
Existing bicycle or motor bike generally all adopt shock-absorbing front fork, shock-absorbing front fork comprise manage, be fixed on two on two the pipe top go up the shoulder lid, movably be placed in shoulder lid on the pipe, be arranged in that shoulder covers and the bottom is fixed in and is takeed on the standpipe that covers, is sheathed on the outer tube of managing the bottom, bottom in outer tube also is provided with a guide rod that can insert in the pipe, also be provided with a spring on guide rod, both ends of the spring is butted on respectively on the bottom surface of the bottom face of pipe and outer tube.Like this, last pipe can be up and down in outer tube along guide pillar, and because the buffer action of spring is arranged, can play certain cushioning effect.But carry out damping owing to only be provided with spring in outer tube, when vibrations were big, damping performance was inadequate slightly and have a risk of damaging front fork.
The utility model content
Technical problem to be solved in the utility model is: a kind of shock-absorbing front fork is provided, and its damping performance is good.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of shock-absorbing front fork, comprise manage, be fixed on two on two the pipe top go up the shoulder lid, movably be placed in shoulder lid on the pipe, be arranged in that shoulder covers and the bottom is fixed in standpipe that shoulder covers, two and is sheathed on respectively and upward manages the outer tube of bottom accordingly and be set up in hang line frame on two outer tubes, bottom in the outer tube also is provided with one and inserts the guide rod of going up in the pipe, guide rod is provided with one first compression spring, and the first compression spring two ends are butted on respectively on the bottom surface of the bottom face of pipe and outer tube; Go up the part of pipe between described shoulder lid and outer tube for every and also be arranged with one second compression spring, second compression spring two ends up and down presses on respectively on shoulder lid and the outer tube top.
Preferably, the top of described shoulder lid bottom surface and outer tube also is respectively equipped with a location and moulds cover, and the two ends up and down of second compression spring press on described location respectively and mould and put.
The beneficial effects of the utility model are: by takeing on sheathed again one second compression spring of part between lid and the outer tube at last pipe; and can play cushioning effect jointly with outer tube in-to-in first compression spring; its damping performance is better; especially under than the big bang situation, can protect front fork not to be badly shaken better.
Description of drawings
Fig. 1 is the structural representation of the utility model shock-absorbing front fork.
Below in conjunction with accompanying drawing the utility model is described further:
The specific embodiment
As shown in Figure 1, the utility model provides a kind of shock-absorbing front fork, comprises that two shoulders of going up of going up pipe 1, being fixed in pipe 1 top on two covers 2, are placed in shoulder lid 3 on the pipe 1 movably, are arranged in shoulder and covers on 2 and the bottom is fixed in and is takeed on the standpipe that covers on 34, two and be sheathed on respectively and upward manage the outer tube 5 of 1 bottom accordingly and be set up in hang line frame 6 on two outer tubes 5.
Wherein, the mouth of pipe place, upper end of outer tube 5 also is provided with dust protecting cap 50.Bottom in outer tube 5 also is fixed with a guide rod 7 that inserts in the pipe 1, guide rod 7 is provided with one first compression spring 8, first compression spring, 8 two ends are butted on respectively on the bottom surface of pipe 1 bottom face and outer tube 5, for reducing noise, fixedly mould cover 80 and also respectively be provided with one at last inner bottom surface of managing 1 bottom and outer tube 5, the two ends of first compression spring 8 press on described fixedly moulding on the cover 80, thus the bigger problem of collision sound of having avoided metal piece and metal piece direct contact to cause.
Above-mentioned these structures and existing shock-absorbing front fork structure are basic identical, seldom give unnecessary details at this.
Main innovation part of the present utility model is: every go up pipe 1 described shoulder lid 3 and part between the outer tube 5 also be arranged with one second compression spring, 9, the second compression springs about in the of 9 two ends press on respectively take on cover 3 and outer tube 6 tops on.Preferably, also can also be respectively equipped with a location on the top that described shoulder covers 3 bottom surfaces and outer tube 5 and mould the two ends up and down of cover 10, the second compression springs 9 and press on described location respectively and mould on the cover 10, thereby reduce noise.
The utility model is by takeing on sheathed again one second compression spring 9 of part between lid and the outer tube at last pipe; and can play cushioning effect jointly with outer tube in-to-in first compression spring 8; its damping performance is better, especially under than the big bang situation, can protect front fork not to be badly shaken better.
Claims (2)
1. shock-absorbing front fork, comprise that two are gone up pipe, be fixed in the upward shoulder lid on pipe top on two, be placed in the shoulder lid on the pipe movably, be arranged in that shoulder covers and the standpipe that covers of shoulder is fixed in the bottom, two are sheathed on respectively and corresponding go up the outer tube of pipe bottom and be set up in hang line frame on two outer tubes, bottom in the outer tube also is provided with one and inserts the guide rod of going up in the pipe, guide rod is provided with one first compression spring, the first compression spring two ends are butted on respectively on the bottom surface of the bottom face of pipe and outer tube, it is characterized in that: go up the part of pipe between described shoulder lid and outer tube for every and also be arranged with one second compression spring, second compression spring two ends up and down presses on respectively on shoulder lid and the outer tube top.
2. shock-absorbing front fork as claimed in claim 1 is characterized in that: the top of described shoulder lid bottom surface and outer tube also is respectively equipped with a location and moulds cover, and the two ends up and down of second compression spring press on described location respectively and mould and put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201210407U CN201080233Y (en) | 2007-06-21 | 2007-06-21 | Damping front fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201210407U CN201080233Y (en) | 2007-06-21 | 2007-06-21 | Damping front fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201080233Y true CN201080233Y (en) | 2008-07-02 |
Family
ID=39613912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201210407U Expired - Fee Related CN201080233Y (en) | 2007-06-21 | 2007-06-21 | Damping front fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201080233Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837788A (en) * | 2011-06-21 | 2012-12-26 | 祁成 | Damper for front fork of electric bicycle |
| CN106184571A (en) * | 2016-09-30 | 2016-12-07 | 杨智霞 | Anti-front fork out of control of upspringing |
| CN106184570A (en) * | 2016-09-30 | 2016-12-07 | 郑文艳 | Anti-bottoming front fork |
-
2007
- 2007-06-21 CN CNU2007201210407U patent/CN201080233Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837788A (en) * | 2011-06-21 | 2012-12-26 | 祁成 | Damper for front fork of electric bicycle |
| CN106184571A (en) * | 2016-09-30 | 2016-12-07 | 杨智霞 | Anti-front fork out of control of upspringing |
| CN106184570A (en) * | 2016-09-30 | 2016-12-07 | 郑文艳 | Anti-bottoming front fork |
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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: 20080702 Termination date: 20110621 |