CN203921083U - Bicycle front fork - Google Patents
Bicycle front fork Download PDFInfo
- Publication number
- CN203921083U CN203921083U CN201420244277.4U CN201420244277U CN203921083U CN 203921083 U CN203921083 U CN 203921083U CN 201420244277 U CN201420244277 U CN 201420244277U CN 203921083 U CN203921083 U CN 203921083U
- Authority
- CN
- China
- Prior art keywords
- front fork
- anchor shaft
- assembled portion
- sleeve pipe
- millimeters
- 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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- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The utility model provides a kind of bicycle front fork, comprises a front fork body, a flower-drum, a sleeve pipe and a quick-disassembly structure.This flower-drum has a jack, and this sleeve pipe is for being inserted in this jack, and the two ends of this sleeve pipe can be for this assembled portion socket, and this sleeve pipe has a trepanning; This quick-disassembly structure has an anchor shaft and a connecting element, and this anchor shaft wears this trepanning.By this, the switching by sleeve pipe designs, and the anchor shaft of different specification size can be packed into front fork body and use, and compared to the existing structure design that only can use same size, the utility model can improve the convenience that part is used in combination.
Description
Technical field
The utility model relates to a kind of attachments of a bicycle, particularly a kind of bicycle front fork.
Background technology
New line along with society's change and environmental consciousness, low-carbon environment-friendly theory becomes important issue gradually, because bicycle can not produce aerial contamination, it can not only be as running vehicle, also can be used as the purposes such as sports equipment, quite meet environmental protection concept, driving bicycle is quite generally popular activity at present.Bicycle mainly consists of parts such as vehicle frame, front fork, wheel rim, speed changing structure and brake structures.With front fork, the downforce that front fork need bear rider's hand and impulsive force from ground, so front fork need possess have high strength, the feature such as low windage, lightweight; At present front fork on the market has plurality of specifications size, when user's assembling is chosen, need select quick-disassembly structure corresponding to size to use according to front fork specification, and quick-disassembly structure that only can corresponding 5 millimeters (mm) as the front fork of 5 millimeters (mm) is used; For manufacturing the dealer who produces, need to release the part of plurality of specifications version and understand stock buildup and running cost, concerning customer, also can increase the puzzlement of choosing assembling, the normal off size situation of purchase that occurs, so, how to improve this problem very industry need the target of making great efforts.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of bicycle front fork, improves front fork and quick-disassembly structure size different and cannot assemble the problem of use.
For achieving the above object, the utility model is taked following technical scheme:
The utility model provides a kind of bicycle front fork, comprises a front fork body, a flower-drum, a sleeve pipe and a quick-disassembly structure;
This front fork body has two breeches pipes, respectively the end of this breeches pipe is formed with assembled portion and an opening that is shrinkage pool, the internal diameter width of this assembled portion is that between 14 millimeters (mm) to 16 millimeters (mm), this opening is offered and formed toward this breeches pipe terminal edge from this assembled portion; This flower-drum is for being located between this two assembled portion, and this flower-drum has a jack; This sleeve pipe is for being inserted in this jack, and the two ends of this sleeve pipe can be for this assembled portion socket, and this sleeve pipe can pass in and out this assembled portion by this opening, and this sleeve pipe has a trepanning; This quick-disassembly structure has an anchor shaft and a connecting element, this anchor shaft wears this trepanning, this anchor shaft one end has a drive portion, the other end is removably connected to this connecting element, this drive portion and this connecting element are resisted against respectively the outer surface of this two breeches pipe, by this drive portion and this connecting element, fix this front fork body and this flower-drum.
The internal diameter width of described assembled portion is 15 millimeters (mm).
Described sleeve pipe is generally cylindrical, and this sleeve pipe external diameter is 15 millimeters (mm).
Described assembled portion is all 15 millimeters (mm) toward the internal diameter width of described opening.
Described sleeve pipe external diameter equates with the aperture of described jack.
The external diameter of described anchor shaft and the aperture of described trepanning are 5 millimeters (mm).
A bicycle front fork, it comprises:
One front fork body, there are two breeches pipes, respectively the end of this breeches pipe is formed with assembled portion and an opening that is shrinkage pool, and the internal diameter width of this assembled portion is that between 14 millimeters (mm) to 16 millimeters (mm), this opening is offered and formed toward this breeches pipe terminal edge from this assembled portion;
One flower-drum, for being located between this two assembled portion, this flower-drum has a jack;
One quick-disassembly structure, there is an anchor shaft and a connecting element, this anchor shaft wears this jack, the two ends of this anchor shaft can be for this assembled portion socket, this anchor shaft can pass in and out this assembled portion by this opening, and this anchor shaft one end has a drive portion, and the other end is removably connected to this connecting element, this drive portion and this connecting element are resisted against respectively the outer surface of this two breeches pipe, by this drive portion and this connecting element, fix this front fork body and this flower-drum.
The external diameter of described anchor shaft is 15 millimeters (mm).
The beneficial effects of the utility model are: by this, switching by sleeve pipe designs, the anchor shaft of different specification size can be packed into front fork body and use, compared to the existing structure design that only can use same size, the utility model can improve the convenience that part is used in combination.
Accompanying drawing explanation
Fig. 1 is block diagram of the present utility model.
Fig. 2 and Fig. 3 are exploded drawings of the present utility model.
Fig. 4 is cutaway view of the present utility model.
Fig. 5 is the exploded drawings of the utility model the second embodiment.
Drawing reference numeral: 1: front fork body; 11: breeches pipe; 113: assembled portion; 115: opening; 2: flower-drum; 22: jack; 3: sleeve pipe; 32: trepanning; 4: quick-disassembly structure; 41: anchor shaft; 411: drive portion; 412: shank; 413: forcing piece; 43: connecting element.
The specific embodiment
To the effect that architectural feature of the present utility model and expection thereof are reached be described with preferred embodiment below, so not in order to limit the category of the utility model institute wish protection, close first chat bright.
Please refer to Fig. 1 to Fig. 4, bicycle front fork of the present utility model, comprises a front fork body 1, a flower-drum 2, a sleeve pipe 3 and a quick-disassembly structure 4.
This front fork body 1 has two breeches pipes 11, respectively the end of this breeches pipe 11 is formed with assembled portion 113 and an opening 115 that is shrinkage pool, the internal diameter width of this assembled portion 113 is 15 millimeters (mm), at other embodiments, can allow the internal diameter width of this assembled portion be between 14 millimeters (mm) to 16 millimeters (mm), non-limiting at 15 millimeters (mm), this opening 115 is offered and is formed toward these breeches pipe 11 terminal edges from this assembled portion 113, this assembled portion 113 is all 15 millimeters (mm) toward the internal diameter width of this opening 115, assembled portion 113 is wide design with opening 115 internal diameters, and profile generally takes the shape of the letter U.
This flower-drum 2 is for being located between this two assembled portion 113, and this flower-drum 2 has a jack 22, and the aperture of this jack 22 is 15 millimeters (mm).
This sleeve pipe 3 is for being inserted in this jack 22, these sleeve pipe 3 external diameters equate with the aperture of this jack 22, these sleeve pipe 3 length are greater than jack 22 and can allow two ends expose to flower-drum 2, the two ends of this sleeve pipe 3 can be for these assembled portion 113 sockets, this sleeve pipe 3 can pass in and out this assembled portion 113 by this opening 115, and more particularly, this sleeve pipe 3 is generally cylindrical, these sleeve pipe 3 size external diameters are 15 millimeters (mm), and sleeve pipe 3 can connect with closely sealed group of assembled portion 113 and jack 22.This sleeve pipe 3 has a trepanning 32.
This quick-disassembly structure 4 has an anchor shaft 41 and a connecting element 43, this anchor shaft 41 wears this trepanning 32, the aperture of the external diameter of this anchor shaft 41 and this trepanning 32 is 5 millimeters (mm), these anchor shaft 41 one end have a drive portion 411, the other end is removably connected to this connecting element 43, more particularly, this drive portion 411 comprises a shank 412 and a forcing piece 413, this shank 412 can be put to push against this forcing piece 413 relative to these anchor shaft 41 pivots and move, these connecting element 43 tool screw lock holes, anchor shaft 41 end tool outside threads and connecing with connecting element 43 screw lock groups; This drive portion 411 and this connecting element 43 are resisted against respectively the outer surface of this two breeches pipe 11, by this drive portion 411, fix this front fork body 1 and this flower-drum 2 with this connecting element 43.
By this, during actual assembled, first sleeve pipe 3 is packed into the jack 22 of flower-drum 2, the assembled portion 113 of front fork body 1 is socketed on this sleeve pipe 3 two ends again, then pack anchor shaft 41 into trepanning 32, and these connecting element 43 screw locks after anchor shaft 41 ends, recycling shank 412 pivot put to push against forcing piece 413, front fork body 1 and flower-drum 2 can be gripped, complete the assembling operation of front fork.
Feature of the present utility model is, by the design of sleeve pipe 3, can be that the front fork body that the anchor shaft of 5 millimeters (mm) or other sizes packs 15 millimeters (mm) into is used by specification, compared to the existing structure design that only can use same size, the utility model can improve the convenience that part is used in combination.
Moreover, front fork body of the present utility model also can directly be installed the anchor shaft use that is of a size of 15 millimeters (mm), as the utility model (with reference to figure 5) in a second embodiment, mainly be with previous embodiment difference, the size of anchor shaft 41 is corresponding with assembled portion 113 and jack 22, this anchor shaft 41 wears this jack 22, the external diameter of this anchor shaft 41 is 15 millimeters (mm), the two ends of this anchor shaft 41 can be for these assembled portion 113 sockets, and this anchor shaft 41 can pass in and out this assembled portion 113 by this opening 115; By this, need not can directly the anchor shaft of 15 millimeters (mm) 41 be installed in by the switching of sleeve pipe to front fork body 1 and use, opening 113 can provide the convenience of anchor shaft 41 dismounting simultaneously, contributes to user to change operation.
Sum up above-mentionedly, the utility model bicycle front fork is structure innovation not only, and has progressive effect.
Claims (8)
1. a bicycle front fork, is characterized in that, it comprises:
One front fork body, has two breeches pipes, and respectively the end of this breeches pipe is formed with assembled portion and an opening that is shrinkage pool, and the internal diameter width of this assembled portion is between 14 millimeters to 16 millimeters, and this opening is offered and formed toward this breeches pipe terminal edge from this assembled portion;
One flower-drum, for being located between this two assembled portion, this flower-drum has a jack;
One sleeve pipe, for being inserted in this jack, the two ends of this sleeve pipe can be for this assembled portion socket, and this sleeve pipe can pass in and out this assembled portion by this opening, and this sleeve pipe has a trepanning;
One quick-disassembly structure, there is an anchor shaft and a connecting element, this anchor shaft wears this trepanning, this anchor shaft one end has a drive portion, the other end is removably connected to this connecting element, this drive portion and this connecting element are resisted against respectively the outer surface of this two breeches pipe, by this drive portion and this connecting element, fix this front fork body and this flower-drum.
2. bicycle front fork as claimed in claim 1, is characterized in that, the internal diameter width of described assembled portion is 15 millimeters.
3. bicycle front fork as claimed in claim 2, is characterized in that, described sleeve pipe is generally cylindrical, and this sleeve pipe external diameter is 15 millimeters.
4. bicycle front fork as claimed in claim 2, is characterized in that, described assembled portion is all 15 millimeters toward the internal diameter width of described opening.
5. bicycle front fork as claimed in claim 1, is characterized in that, described sleeve pipe external diameter equates with the aperture of described jack.
6. bicycle front fork as claimed in claim 1, is characterized in that, the external diameter of described anchor shaft and the aperture of described trepanning are 5 millimeters.
7. a bicycle front fork, is characterized in that, it comprises:
One front fork body, has two breeches pipes, and respectively the end of this breeches pipe is formed with assembled portion and an opening that is shrinkage pool, and the internal diameter width of this assembled portion is between 14 millimeters to 16 millimeters, and this opening is offered and formed toward this breeches pipe terminal edge from this assembled portion;
One flower-drum, for being located between this two assembled portion, this flower-drum has a jack;
One quick-disassembly structure, there is an anchor shaft and a connecting element, this anchor shaft wears this jack, the two ends of this anchor shaft can be for this assembled portion socket, this anchor shaft can pass in and out this assembled portion by this opening, and this anchor shaft one end has a drive portion, and the other end is removably connected to this connecting element, this drive portion and this connecting element are resisted against respectively the outer surface of this two breeches pipe, by this drive portion and this connecting element, fix this front fork body and this flower-drum.
8. bicycle front fork as claimed in claim 6, is characterized in that, the external diameter of described anchor shaft is 15 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244277.4U CN203921083U (en) | 2014-05-13 | 2014-05-13 | Bicycle front fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244277.4U CN203921083U (en) | 2014-05-13 | 2014-05-13 | Bicycle front fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203921083U true CN203921083U (en) | 2014-11-05 |
Family
ID=51816943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420244277.4U Expired - Fee Related CN203921083U (en) | 2014-05-13 | 2014-05-13 | Bicycle front fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203921083U (en) |
-
2014
- 2014-05-13 CN CN201420244277.4U patent/CN203921083U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20160513 |