CN201151454Y - Anti-deforming structure of shock-absorption front fork oil pressure bar - Google Patents
Anti-deforming structure of shock-absorption front fork oil pressure bar Download PDFInfo
- Publication number
- CN201151454Y CN201151454Y CNU2007201268639U CN200720126863U CN201151454Y CN 201151454 Y CN201151454 Y CN 201151454Y CN U2007201268639 U CNU2007201268639 U CN U2007201268639U CN 200720126863 U CN200720126863 U CN 200720126863U CN 201151454 Y CN201151454 Y CN 201151454Y
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- China
- Prior art keywords
- oil pressure
- shock
- pressure rod
- fork
- fork assembly
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- Expired - Fee Related
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Abstract
The utility model discloses an anti-deformation structure of a oil pressure rod of a suspension front fork, the oil pressure rod mainly comprises an oil pressure cylinder and an ejector pin, which are respectively connected with the inner and the outer fork feet of the suspension front fork so as to provide the shock-absorbing and cushioning effect of the suspension front fork. The main improvement of the anti-deformation structure is as follows: the superior border of the sleeve end cylinder body of the oil pressure cylinder and the ejector pin is sleeved with a lantern ring, which leads the lantern ring to protrude out from the oil pressure cylinder and to be propped against inner tube wall of the inner fork foot; therefore, when the inner and the outer fork feet of the suspension front fork produce strain owing to stress, the lantern ring absorbs gap emergency force formed between the oil pressure rod and the suspension front fork.
Description
Technical field
The utility model is the shock-proof front-fork assembly relevant for a kind of bicycle, but is meant a kind of anti-deformation structure that prevents the oil pressure rod in the shock-proof front-fork assembly because of the shock-proof front-fork assembly oil pressure rod of stressed generation strain especially.
Background technology
The front fork of Regular Bicycle all has the shock-absorbing design of various different structures, except that early stage spring Shock absorber, also has to cooperate the shock-proof front-fork assembly structure of oil pressure design as the shock-absorbing buffer medium.
Yet, known with the shock-proof front-fork assembly structure of oil pressure design as the shock-absorbing buffer medium, because of considering the problem of weight and applicability, the dealer can use the oil pressure rod of a kind of cylinder diameter less than fork pin internal diameter in the shock-proof front-fork assembly, and since the oil hydraulic cylinder of this oil pressure rod less than the interior fork pin internal diameter of shock-proof front-fork assembly, therefore this oil pressure rod can produce the gap with the interior fork pin of shock-proof front-fork assembly, so the shock-proof front-fork assembly two ends can be because of stressed generation strain when driving when bicycle, and related that influence that the oil pressure rod is subjected to application force is equally taken place is tortuous, and then causes oil pressure rod decentraction or oil pressure to leak taking place and ineffective.
The utility model content
But main purpose of the present utility model is to provide a kind of anti-deformation structure that prevents the oil pressure rod in the shock-proof front-fork assembly because of the shock-proof front-fork assembly oil pressure rod of stressed generation strain.
To achieve these goals, but the anti-deformation structure of shock-proof front-fork assembly oil pressure rod of the present utility model, this oil pressure rod comprises an oil hydraulic cylinder and a push rod, system links with the inside and outside fork pin of shock-proof front-fork assembly respectively, provide the shock-absorbing of shock-proof front-fork assembly buffering effect and use, be characterized in that the socket end cylinder body upper limb system of this oil hydraulic cylinder and push rod is arranged with a collar, offsets and make this collar protrude from the outer inner tubal wall with interior fork pin of oil hydraulic cylinder.
This cover ring system just is sleeved on the outer rim of oil hydraulic cylinder, and its upper limb place is formed with the last running-on of a ring retaining, and the exterior rim of this collar forms a protruding inner tubal wall that supports with interior fork pin and supports and overlap again.
This protruding supporting is an arc convex surface.
This oil hydraulic cylinder top system forms a bit of axle sleeve and the push rod fit that is slightly larger than push rod.
The mutual fit of last running-on of this axle sleeve system and the collar.
This axle sleeve is provided with a groove, will overlap the latch closure fixed bit for a clasp eye-splice.
By this, since oil pressure rod of the present utility model be equipped with at oil hydraulic cylinder upper end outer rim place one with the offset collar design of cover of the inner tubal wall of interior fork pin, so when the inside and outside fork pin of shock-proof front-fork assembly when producing stressed transverse stress, can by this collar absorb oil pressure rod because of and shock-proof front-fork assembly between the stress deformation of formed gap.
Description of drawings
For above-mentioned feature and advantage of the present utility model can be become apparent, below lift a preferred embodiment now, and cooperate diagram, figure number, constitution content of the present utility model and the effect reached thereof are described in detail as the back:
Fig. 1 is a block diagram of the present utility model.
Fig. 2 is a three-dimensional exploded view of the present utility model.
Fig. 3 is the local section block diagram of the utility model and shock-proof front-fork assembly combination.
Fig. 4 is the local enlarged diagram of Fig. 3.
Fig. 5 is the local section plan view of the utility model and shock-proof front-fork assembly combination.
Fig. 6 is the local enlarged diagram of Fig. 5.
The specific embodiment
But the anti-deformation structure of a kind of shock-proof front-fork assembly oil pressure of the utility model rod, this oil pressure rod 20 mainly comprises an oil hydraulic cylinder 21 and a push rod 22, system links with the inside and outside fork pin 11,12 of shock-proof front-fork assembly 10 respectively, provide the shock-absorbing of shock-proof front-fork assembly 10 buffering effect and use, it is mainly improved and is: this oil hydraulic cylinder 21 is arranged with a collar 30 with the socket end cylinder body upper limb system of push rod 22, offset and make this collar 30 protrude from oil hydraulic cylinder 21 outer inner tubal walls with interior fork pin 11, by this, to absorb 11,12 on oil pressure rod 20 and inside and outside fork pin via distortional stress that the gap was produced.
Below now with regard to structural attitude of the present utility model, application technology means and expect the effect of reaching, cooperate graphic, describe in detail as after, believe when can to the utility model more deep and concrete understanding being arranged therefrom, as described below:
Head sees also Fig. 1, Fig. 2, be the block diagram and the three-dimensional exploded view of the utility model one preferred embodiment, can find out that the utility model mainly ties up to 20 of oil pressure rods and is equipped with a collar 30, this collar 30 is the outer rim that just is sleeved on oil hydraulic cylinder 21, its upper limb place is formed with the last running-on 32 of a ring retaining 31, and be set against the top ends of oil hydraulic cylinder 21 by this ring retaining 31, and the exterior rim of this collar 30 can form one and protrudingly supports 33 and support cover with the inner tubal wall of interior fork pin 11 again, and this is protruding to support 33 and can be an arc convex surface.
Advantageously, this oil hydraulic cylinder 21 tops system forms one section axle sleeve 210 and push rod 22 fits that is slightly larger than push rod 22, and the last running-on 32 at these collar 30 upper limb places is just can be linked on this axle sleeve 210, and owing to the ring retaining 31 of this axle sleeve 210 a little more than the collar 30, and can be provided with a groove 2101 in the protrusion place of this axle sleeve 210, for a clasp 40 eye-splices the collar 30 is buckled fixed bit.
And by the composition of above-mentioned member, continuous please the cooperation consulted Fig. 3～Fig. 6 again, it is the scheme drawing after the utility model oil pressure rod 20 makes up with shock-proof front-fork assembly 10, can know and find out, since oil pressure rod 20 of the present utility model be equipped with at outer rim place, oil hydraulic cylinder 21 upper end one with the offset collar 30 designs of cover of the inner tubal wall of interior fork pin 11, so when the inside and outside fork pin 11,12 of shock-proof front-fork assembly 10 because of stressed generation strain the time, can absorb oil pressure rod 20 and 10 formed gaps of shock-proof front-fork assembly adaptabilitys to changes by this collar 30.
In sum, but the anti-deformation structure of shock-proof front-fork assembly oil pressure rod of the present utility model has its splendid progressive practicality in fact in like product, and the while also finds no identical construction and exists formerly all over looking into domestic and international technical data about this class formation in the document.
Yet the above only is of the present utility model one preferable possible embodiments, so the equivalent structure that all acts application the utility model specification sheets and claim are done changes, ought to be included in the claim of the present utility model.
Claims (6)
- But 1, a kind of anti-deformation structure of shock-proof front-fork assembly oil pressure rod, this oil pressure rod comprises an oil hydraulic cylinder and a push rod, system links with the inside and outside fork pin of shock-proof front-fork assembly respectively, it is characterized in that, the socket end cylinder body upper limb system of this oil hydraulic cylinder and push rod is arranged with a collar, offsets and make this collar protrude from the outer inner tubal wall with interior fork pin of oil hydraulic cylinder.
- But 2, the anti-deformation structure of shock-proof front-fork assembly oil pressure rod as claimed in claim 1, it is characterized in that, this cover ring system just is sleeved on the outer rim of oil hydraulic cylinder, and its upper limb place is formed with the last running-on of a ring retaining, and the exterior rim of this collar forms a protruding inner tubal wall that supports with interior fork pin and supports and overlap again.
- 3, but the anti-deformation structure of shock-proof front-fork assembly oil pressure rod as claimed in claim 2 is characterized in that, this protruding supporting is an arc convex surface.
- 4, but the anti-deformation structure of shock-proof front-fork assembly oil pressure rod as claimed in claim 1 is characterized in that, this oil hydraulic cylinder top system forms a bit of axle sleeve and the push rod fit that is slightly larger than push rod.
- 5, but the anti-deformation structure of shock-proof front-fork assembly oil pressure rod as claimed in claim 4 is characterized in that, the mutual fit of last running-on of this axle sleeve system and the collar.
- 6, but the anti-deformation structure of shock-proof front-fork assembly oil pressure rod as claimed in claim 4 is characterized in that, this axle sleeve is provided with a groove, will overlap the latch closure fixed bit for a clasp eye-splice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201268639U CN201151454Y (en) | 2007-10-11 | 2007-10-11 | Anti-deforming structure of shock-absorption front fork oil pressure bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201268639U CN201151454Y (en) | 2007-10-11 | 2007-10-11 | Anti-deforming structure of shock-absorption front fork oil pressure bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201151454Y true CN201151454Y (en) | 2008-11-19 |
Family
ID=40127133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201268639U Expired - Fee Related CN201151454Y (en) | 2007-10-11 | 2007-10-11 | Anti-deforming structure of shock-absorption front fork oil pressure bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201151454Y (en) |
-
2007
- 2007-10-11 CN CNU2007201268639U patent/CN201151454Y/en not_active Expired - Fee Related
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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 |
Granted publication date: 20081119 Termination date: 20151011 |
|
| EXPY | Termination of patent right or utility model |