CN2458229Y - Composite cover set wire hanger front fork - Google Patents
Composite cover set wire hanger front fork Download PDFInfo
- Publication number
- CN2458229Y CN2458229Y CN 00265400 CN00265400U CN2458229Y CN 2458229 Y CN2458229 Y CN 2458229Y CN 00265400 CN00265400 CN 00265400 CN 00265400 U CN00265400 U CN 00265400U CN 2458229 Y CN2458229 Y CN 2458229Y
- Authority
- CN
- China
- Prior art keywords
- front fork
- line frame
- pipe
- hang line
- cover portion
- 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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- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The utility model relates to a front fork of a wire hanging frame of a composite cover group, which provides bicycle components which have the advantages of convenient assembly, low cost, beautiful appearance, and light weight. The utility model comprises a front fork pipe, an internal pipe, an external pipe, a buffering structure, and a wire hanging frame, wherein, front fork shoulders which are locked with the internal pipe are respectively arranged on both sides of the front fork pipe; the external pipe is sheathed out of the bottom of the internal pipe; the internal and the external pipes are abutted and connected through elasticity of the buffering structure; both of the two ends of the wire hanging frame which are integrally formed by engineering plastic materials can respectively form sleeve portions which are provided with through holes and are integrally coated and shaped with the top portion of the external pipe, and the sleeve portion is sheathed out of the internal pipe through the through hole of the sleeve portion in a sliding mode.
Description
The utility model belongs to bicycle assembly parts, particularly a kind of front fork of compound cover group hang line frame.
Bicycle front fork does not the earliest all have anti-vibration structure, so meet rough rugged road surface, makes car body produce strenuous vibration easily, and is extremely uncomfortable for the rider, more may damage.Therefore, how bicycle front fork is directly formed by component compositions such as front fork tube, interior pipe and outer tubes at present, and sets up damper element between the inner and outer pipe that mutual sheathed embedding is slided, and makes to form the front shock-proof device structure, reaches the shock-absorbing effect.
Be erected with line hanger structure on the outer tube of existing front fork mostly, use wearing fixing and the installing brake, to realize the brake effect for brake cable.Yet present messenger wire is to weld or directly establish with spiral shell to captive joint with the overlap joint of outer tube.All there is shortcoming in this affixed mode: at first, the welding assembly mode is difficulty of construction height, operation inconvenience not only, and the as easy as rolling off a log influence that is subjected to individual welding technique of its assembling quality, so can't guarantee the quality of product, and the high heat that welding process produces more has the drawback of destroying outer tube structure intensity, and the welding bead vestige that it stays is also more not attractive in appearance.Secondly, as shown in Figure 6, assembling mode is spirally connected, then must process smooth faying face 61,71 respectively earlier at the screw lock place of outer tube 60 and hang line frame 70, on faying face 61,71, process some positioning screw holes 62 again and bore a hole 72, can supply both combinations, so its work programme is comparatively loaded down with trivial details, also must additive incrementation assembling man-hour, when its screw 62 and perforation 72 accurately during corresponding location, promptly cause stack-mounted to perplex easily; Moreover, pursue the important trend that the bicycle development is not only in lightweight, the target that many especially industries are made great efforts, therefore, the existing partial component of existing bicycle adopts carbon fiber or other composite materials, in the hope of expendable weight.So, its front fork structure spare is but still made with metal material.So many shortcomings that exist at the package assembly of existing hang line frame and lightweight and must wait improvement.
The purpose of this utility model provide a kind of easy to assembly, cost is low, the front fork of appearance looks elegant, lightweight compound cover group hang line frame.
The utility model comprises front fork tube, interior pipe, outer tube, buffer structure and hang line frame; The front fork tube both sides are respectively equipped with the front fork shoulder with interior Guan Suoshe; Outside the pipe bottom, replace connection with buffer structure elasticity between the inner and outer pipe in the outer tube sleeve; For the two ends by the one-body molded hang line frame of engineering plastic material form respectively the through hole that has and with the Overmolded cover portion of outer tube top ends one with compound cover group, in cover portion is located at its through hole slip cap outside the pipe.
Wherein:
Turn up and form ring-type embedding edge with the one-body molded formation clip of hang line frame two ends cover portion in the outer tube top.
The inner peripheral of hang line frame cover portion extends longer pipe to the bottom and meets portion, and cover portion top outer peripheral edges form and are beneficial to the sliding marginal ridge of embedding, and marginal ridge bottom side ring is if the telescopic of interior pipe is able to the fixing catching groove of slide fastener.
One-body molded or the locking in hang line frame both sides is provided with the joint portion for brake binder locking.
Hang line frame cover portion through hole top is equipped with lining, and hang line frame is located at outside the interior pipe with the lining slip cap that is placed in its cover portion through hole.
Because the utility model comprises front fork tube, interior pipe, outer tube, buffer structure and hang line frame; The front fork tube both sides are respectively equipped with the front fork shoulder with interior Guan Suoshe; Outside the pipe bottom, replace connection with buffer structure elasticity between the inner and outer pipe in the outer tube sleeve; For the two ends by the one-body molded hang line frame of engineering plastic material form respectively the through hole that has and with the Overmolded cover portion of outer tube top ends one with compound cover group, in cover portion is located at its through hole slip cap outside the pipe.With light weight, the integrated hang line frame of engineering plastic material firm in structure, significantly to alleviate the weight of front fork; With the Overmolded composite structure of front fork outer tube one, save hang line frame and outer tube assembling engagement time, and, can reach and simplify assembling flow path and improve the assembling quality by modular specifications design.Not only easy to assembly, cost is low, appearance looks elegant, and is and in light weight, thereby reach the purpose of this utility model.
Fig. 1, be the utility model semi-sictional view structural representation front elevation.
Fig. 2, be the utility model structural representation lateral plan.
Fig. 3, be A portion partial enlarged drawing among Fig. 1.
Fig. 4, be assembled in scheme drawing on the bicycle for the utility model.
Fig. 5, be B portion partial enlarged drawing among Fig. 3.
Fig. 6, front fork hang line frame decomposition texture schematic isometric for commonly using.
Below in conjunction with accompanying drawing the utility model is further elaborated.
As shown in Figure 1 and Figure 2, the utility model comprises front fork tube 10, interior pipe 20, outer tube 30, buffer structure 40 and hang line frame 50.
Front fork tube 10 both sides are respectively equipped with front fork shoulder 11.
As shown in Figure 3, turn up and form ring-type embedding edge 31 in outer tube 30 tops.
As Fig. 2, shown in Figure 3, hang line frame 50 is one-body molded by the engineering plastic material, its two ends form the cover portion 51 of the through hole 511 that has respectively, cover portion 51 is Overmolded with outer tube 30 top one to be composite structure, the inner peripheral of cover portion 51 extends longer pipe to the bottom and meets portion 512, cover portion 51 top outer peripheral edges form and are beneficial to the sliding marginal ridge 513 of embedding, and marginal ridge 513 bottom sides ring is if the telescopic 21 of interior pipe 20 is able to the fixing catching groove 514 of slide fastener.
As shown in Figure 3, Figure 4, pipe 20 places respectively and is locked on the front fork tube 10 both sides front fork shoulders 11 in two, manage outside 20 bottoms in two outer tubes 30 are sheathed on respectively, buffer structure 40 is mounted between the inner and outer pipe 20,30, make inner and outer pipe 20,30 elasticity replace connection, to produce the buffering effect that relative resilient is replaced; Hang line frame 50 compound covers are organized on outer tube 30, by one-body molded with its two ends cover portion 51 be the clip that the embedding edge 31 on composite structure outer tube 30 tops forms, make outer tube 30 and hang line frame 50 closely coatings combine.Hang line frame 50 is managed outside 20 in being located at its cover portion 51 through holes, 511 slip caps.Also can be as shown in Figure 5, hang line frame 50 cover portions 51 through holes, 511 tops are equipped with lining 52, make hang line frame 50 be located at outside the interior pipe 20 with lining 52 slip caps that are placed in its cover portion 51 through holes 511, use producing preferable slippage effect.
By with light weight, the integrated hang line frame 50 of engineering plastic material firm in structure, significantly alleviating weight of the present utility model, and effectively reduce manufacturing cost.
Secondly, because of the hang line frame of commonly using is with welding or be spirally connected mode and the outer pipe jointing of front fork, and hang line frame 50 of the present utility model is and the Overmolded composite structure of outer tube 30 one, can save general hang line frame and outer tube assembling engagement time, and, can reach and simplify assembling flow path and improve the assembling quality by modular specifications design.In addition, hang line frame 50 both sides also can be directly one-body molded by hang line frame 50 for the joint portion of brake binder locking, perhaps establishes fixing structure kenel by outer lock.
As mentioned above, the utlity model has following advantage:
1, light-weight design: cable hanger of the present utility model system is made by the engineering plastic material, thus can by The characteristic of its light weight significantly alleviates front fork weight, reaches light-weighted purpose.
2, easy, the stay in grade of assembling: the utility model coats cable hanger and front fork outer tube top one Moulding can be saved cable hanger and outer tube assembly program, and assembling is more prone to, and by integrated knot Structure can be guaranteed the quality of each time moulding, and the quality that the welding manner that is spirally connected of avoiding commonly using causes does not have The shortcoming that method is effectively guaranteed is so can improve the stability of assembling accuracy and quality.
3, tool high structural strength: because cable hanger system is Overmolded with front fork outer tube one, so have better Structural strength, add that cable hanger is light weight, engineering plastic material firm in structure, strong to reach high structure Degree.
4, modularity production: make up in integrated mode on cable hanger and outer tube top, is to supply module Change production, and enhance productivity.
5, reduce cost: make up in integrated mode on cable hanger and outer tube top, can save the assembling worker The time, reduce production costs, and the expense of engineering plastic is also comparatively cheap.
In sum, the utility model provides a kind of not only effectively weight reduction, reduces cost, and tool The front fork of the compound cable hanger of tool of high structural strength is arranged, be beneficial to module production, overall package is more prone to simultaneously, The assembling stay in grade.
Claims (5)
1, a kind of front fork of compound cover group hang line frame, it comprises front fork tube, interior pipe, outer tube, buffer structure and hang line frame; The front fork tube both sides are respectively equipped with the front fork shoulder with interior Guan Suoshe; Outside the pipe bottom, replace connection with buffer structure elasticity between the inner and outer pipe in the outer tube sleeve; It is characterized in that described for form respectively by the two ends of the one-body molded hang line frame of engineering plastic material the through hole that has and with the Overmolded cover portion of outer tube top ends one with compound cover group, in cover portion is located at its through hole slip cap outside the pipe.
2, the front fork of compound cover group hang line frame according to claim 1 is characterized in that turning up in described outer tube top to form ring-type embedding edge with the one-body molded formation clip of hang line frame two ends cover portion.
3, the front fork of compound cover group hang line frame according to claim 1, the inner peripheral that it is characterized in that described hang line frame cover portion extends longer pipe to the bottom and meets portion, cover portion top outer peripheral edges form and are beneficial to the sliding marginal ridge of embedding, and marginal ridge bottom side ring is if the telescopic of interior pipe is able to the fixing catching groove of slide fastener.
4, the front fork of compound cover group hang line frame according to claim 1 is characterized in that the one-body molded or locking in described hang line frame both sides is provided with the joint portion for brake binder locking.
5, the front fork of compound cover group hang line frame according to claim 1 is characterized in that described hang line frame cover portion through hole top is equipped with lining, hang line frame be placed on lining slip cap in its cover portion through hole be located in outside the pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00265400 CN2458229Y (en) | 2000-12-13 | 2000-12-13 | Composite cover set wire hanger front fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00265400 CN2458229Y (en) | 2000-12-13 | 2000-12-13 | Composite cover set wire hanger front fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2458229Y true CN2458229Y (en) | 2001-11-07 |
Family
ID=33619781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00265400 Expired - Fee Related CN2458229Y (en) | 2000-12-13 | 2000-12-13 | Composite cover set wire hanger front fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2458229Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167119A (en) * | 2011-03-16 | 2011-08-31 | 天津市润佳金属制品有限公司 | Bi-leg front fork of tricycle |
| CN101376415B (en) * | 2007-08-29 | 2013-03-13 | 什拉姆有限责任公司 | Fiber-reinforced wrapped handlebar-steered suspension fork |
-
2000
- 2000-12-13 CN CN 00265400 patent/CN2458229Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101376415B (en) * | 2007-08-29 | 2013-03-13 | 什拉姆有限责任公司 | Fiber-reinforced wrapped handlebar-steered suspension fork |
| US8740238B2 (en) | 2007-08-29 | 2014-06-03 | Sram, Llc | Fiber-reinforced wrapped handlebar-steered suspension fork |
| CN102167119A (en) * | 2011-03-16 | 2011-08-31 | 天津市润佳金属制品有限公司 | Bi-leg front fork of tricycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |