CN200942851Y - Electric bicycle front fork structure - Google Patents
Electric bicycle front fork structure Download PDFInfo
- Publication number
- CN200942851Y CN200942851Y CN 200620027325 CN200620027325U CN200942851Y CN 200942851 Y CN200942851 Y CN 200942851Y CN 200620027325 CN200620027325 CN 200620027325 CN 200620027325 U CN200620027325 U CN 200620027325U CN 200942851 Y CN200942851 Y CN 200942851Y
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- China
- Prior art keywords
- fork
- front fork
- outer tube
- inner sleeve
- electrical bicycle
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- Expired - Fee Related
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Abstract
A front fork structure for electric bicycles, which comprises a fork force tube that is connected in the central hole of the fork crown case, fork legs tube that are respectively connected in the two side holds of the fork crown case, and two front fork hooks that are respectively welded at the lower ends of the fork leg tubes, characterized in that: the fork crown case has a V-shaped cavity, and the three holes are at the vertexes of a triangle; the front fork hook resembles a duckbill plate, and comprises a hook hole for rim and axle, a support stick hole for the mudguard and a breach. The utility model has a more beautiful outlook, and can prevent safety hazards, realizing safe, labor-saving and electricity-saving riding.
Description
Technical field
The utility model relates to the Electrical Bicycle technical field, the improvement of the relevant Electrical Bicycle front fork structure of saying so in more detail.
Background technology
Electrical Bicycle is light, province is upright, there are not hot-tempered sound pollution and aerial contamination, extensively be subjected to customer's favor, the Electrical Bicycle kind was more in recent years, having many Electrical Bicycles to add Plastic Parts on metal construction beautifies, as shown in Figure 1, Electrical Bicycle front portion 1 comprises that handlebar, front fork 3, front fork collude 8, preceding rim 10, mudwing 9, plastics vehicle frame 2 constitute.
Fork leg pipe 7 ' be by inner sleeve 6, outer tube 7 is formed, inner sleeve 6, outer tube 7 be with metallic material (steel or iron material) make pipe, outer tube 7 is thicker than inner sleeve 6, at outer tube 7 its upper inside wall welded nuts, clenched bolt, be inserted in spring on the bolt, plastics garden circle is set on spring, the external diameter of plastics garden circle and the internal diameter of outer tube 7 are flush fit, the internal diameter of plastics garden circle cooperates for living with the external diameter of inner sleeve 6, plastics garden circle is to be pressed in the outer tube 7 by hydraulic pressure, plays a part to connect and sealing inner sleeve 6 and outer tube 7, is provided with the dust protecting cap of the band fold of rubber making in the outside of inner sleeve 6 and outer tube 7 junctions.
Fork-join shoulder box 5 is similar " one " word shape cavitys with the casting integrated formation of metallic material (steel or iron material), 3 holes that are provided with are similar on same straight line, interstitial hole weld yoke standpipe 4 at fork-join shoulder box 5, in two side holes, respectively weld an inner sleeve 6, inner sleeve 6 insert outer tubes 7 constituted fork leg pipe 7 '.
Respectively weld a front fork in fork leg pipe 7 ' lower end and collude 8, as shown in Figure 2, it is similar " goat head " formboards that are made into integration with metallic material (steel or iron material) that front fork colludes 8, front fork colludes and 8 is provided with rim axle hook hole a, mudwing props up rod hole b and a gap c, before being enclosed within, fixes with nut on the axle 11 of rim 10 gap c, front fork 3 can be captiveed joint with preceding rim 10, hang with among the rim axle hook hole a that band colludes annex and plays reinforcement effect on the axle 11, mudwing prop up rod hole b be fixedly mudwing 9 prop up rod.
Top at fork standpipe 4 puts handlebar, and the vehicle frame that the metallic material of welding (steel or iron material) that tilts at fork standpipe 4 middle parts is made works to beautify outward appearance at metal frame coated outside plastics vehicle frame 2.
But, because similar " one " word shape cavity of the fork-join of the front fork 3 in the Electrical Bicycle of prior art shoulder box 5 casting integrated formation, after the installation, distance between mudwing 9 and the plastics vehicle frame 2 is little, being in operation easily produces friction and has unsafe problem, and to collude 8 shape not attractive in appearance for front fork in addition.
Summary of the invention
The utility model proposes for the shortcoming that overcomes prior art, and its purpose is to provide a kind of new type electric bicycle front fork structure, avoids potential safety hazard, reaches to exercise safely, economize purpose upright, power saving.
For the attainment of one's purpose, the utility model provides a kind of Electrical Bicycle front fork structure, comprise that the fork standpipe is connected in the interstitial hole of fork-join shoulder box, fork leg pipe is connected in the two side holes of fork-join shoulder box, respectively weld a front fork in fork leg pipe lower end and collude formation, it is characterized in that the cavity of its fork-join shoulder box similar " V " shape, 3 holes are separately positioned on the vertex of a triangle; Its front fork colludes similar " duckbilled " formboard, is provided with that rim axle hook hole, mudwing prop up the rod hole and a gap constitutes.
Described Electrical Bicycle front fork structure, it is characterized in that described fork leg pipe is made up of inner sleeve, outer tube, outer tube is thicker than inner sleeve, upper inside wall welded nut at outer tube, clenched bolt, be inserted in spring on the bolt, plastics garden circle is set on spring, the external diameter of plastics garden circle and the internal diameter of outer tube are flush fit, the internal diameter of plastics garden circle cooperates for living with the external diameter of inner sleeve, plastics garden circle connects and sealing inner sleeve and outer tube, and the dust protecting cap that is provided with the band fold of rubber making in the outside of inner sleeve and outer tube junction constitutes.
Described Electrical Bicycle front fork structure, it is characterized in that band colludes on the hanging scroll in the rim axle hook hole that described front fork colludes annex, mudwing prop up in the rod hole a fixedly rod of mudwing, the axle of rim was gone up and to be fixed with nut before gap was enclosed within, and was about to, and front fork is captiveed joint formation with preceding rim.
Described Electrical Bicycle front fork structure is characterized in that fork standpipe, the inside and outside sleeve pipe of fork leg pipe, the fork-join shoulder box of front fork made with metallic material.
Invention effect of the present utility model: because fork-join shoulder box 12 is set to the cavity of similar " V " shape, 3 holes are separately positioned on the vertex of a triangle; , after the installation, the distance increase between mudwing 9 and the plastics vehicle frame 2, the mudwing 9 of having stopped to be in operation produces the phenomenon of friction with plastics vehicle frame 2, reaches and exercises safely, economizes purpose upright, power saving.
Its front fork colludes similar " duckbilled " formboard, is provided with that rim axle hook hole, mudwing prop up the rod hole and a gap constitutes better appearance.
Description of drawings
Fig. 1 is the Electrical Bicycle front structure scheme drawing of prior art.
Fig. 2 is the Electrical Bicycle front fork hooking structure scheme drawing of prior art.
Fig. 3 is an Electrical Bicycle front structure scheme drawing of the present utility model.
Fig. 4 is an Electrical Bicycle front fork hooking structure scheme drawing of the present utility model.
Fig. 5 is an Electrical Bicycle fork-join shoulder box upward view of the present utility model.
Fig. 6 is an Electrical Bicycle fork-join shoulder box birds-eye view of the present utility model.
Fig. 7 is an Electrical Bicycle front fork structure scheme drawing of the present utility model.
Fig. 8 is an Electrical Bicycle front fork birds-eye view of the present utility model.
Fig. 9 is an Electrical Bicycle front fork left view of the present utility model.
The explanation of accompanying drawing main portion symbol:
1: Electrical Bicycle front portion 2: the plastics vehicle frame
3: front fork 4: the fork standpipe
5: fork-join shoulder box 6: inner sleeve
7: outer tube 7 ': fork leg pipe
8: front fork colludes 9: mudwing
10: preceding rim 11: rim axle
A: the rim axle colludes hanging hole b: mudwing props up the rod hole
C: gap 12: fork-join shoulder box
13: front fork colludes
The specific embodiment
Describe specific embodiments of the invention in detail below in conjunction with accompanying drawing.Fig. 3 is an Electrical Bicycle front structure scheme drawing of the present utility model.Fig. 4 is an Electrical Bicycle front fork hooking structure scheme drawing of the present utility model.Fig. 5 is an Electrical Bicycle fork-join shoulder box upward view of the present utility model.Fig. 6 is an Electrical Bicycle fork-join shoulder box birds-eye view of the present utility model.Fig. 7 is an Electrical Bicycle front fork structure scheme drawing of the present utility model.Fig. 8 is an Electrical Bicycle front fork birds-eye view of the present utility model.Fig. 9 is an Electrical Bicycle front fork left view of the present utility model.The utility model is the Electrical Bicycle front fork structure improvement to prior art, and therefore structure same as the prior art has been given identical title and identical symbol, and has omitted detailed description thereof.
As shown in Figure 3, Electrical Bicycle front portion 1 comprises that handlebar, front fork 3, front fork collude 13, preceding rim 10, mudwing 9, plastics vehicle frame 2 constitute.
As Fig. 7, Fig. 8, shown in Figure 9, front fork 3 be with metallic material (steel or iron material) make similar
Shape body, front fork 3 are by fork standpipe 4, fork-join shoulder box 12, fork leg pipe 7 ' constitute.
Fork leg pipe 7 ' be by inner sleeve 6, outer tube 7 is formed, in, outer tube 7 is pipes made from metallic material (steel or iron material), outer tube 7 is thicker than inner sleeve 6, upper inside wall welded nut at outer tube 7, clenched bolt, be inserted in spring on the bolt, plastics garden circle is set on spring, the external diameter of plastics garden circle and the internal diameter of outer tube 7 are flush fit, the internal diameter of plastics garden circle cooperates for living with the external diameter of inner sleeve 6, plastics garden circle is to be pressed in the outer tube 7 by hydraulic pressure, plays a part to connect and sealing inner sleeve 6 and outer tube 7, is provided with the dust protecting cap of the band fold of rubber making in the outside of inner sleeve 6 and outer tube 7 junctions.
As Fig. 5, shown in Figure 6, fork-join shoulder box 12 is the cavitys with similar " V " shape of the casting integrated formation of metallic material (steel or iron material), 3 holes are separately positioned on the vertex of a triangle, interstitial hole weld yoke standpipe 4 at fork-join shoulder box 12, in two side holes, respectively weld an inner sleeve 6, inner sleeve 6 insert outer tubes 7 constituted fork leg pipe 7 ', because 3 holes of fork-join shoulder box 12 are separately positioned on the vertex of a triangle, after the installation, distance between mudwing 9 and the plastics vehicle frame 2 increases, and the mudwing 9 of having stopped to be in operation produces the phenomenon of friction with plastics vehicle frame 2.
Respectively weld a front fork in fork leg pipe 7 ' lower end and collude 13, as shown in Figure 4, it is similar " duckbilled " formboards that are made into integration with metallic material (steel or iron material) that front fork colludes 13, front fork colludes 13 and is provided with rim axle hook hole a, mudwing props up rod hole b and a gap c, before being enclosed within, fixes with nut on the axle 11 of rim 10 gap c, front fork 3 can be captiveed joint with preceding rim 10, hang with among the rim axle hook hole a that band colludes annex and plays reinforcement effect on the axle 11, it is fixing the rod of mudwing 9 that mudwing props up rod hole b, and the anterior front fork of Electrical Bicycle of the present utility model colludes 13 " duckbilled " formboard and colludes 8 " goat head " formboard better appearance than the anterior front fork of the Electrical Bicycle of above-mentioned prior art.
Top at fork standpipe 4 puts handlebar, and the vehicle frame that the metallic material of welding (steel or iron material) that tilts at fork standpipe 4 middle parts is made works to beautify outward appearance at metal frame coated outside plastics vehicle frame 2.
Claims (4)
1, a kind of Electrical Bicycle front fork structure, comprise that the fork standpipe is connected in the interstitial hole of fork-join shoulder box, fork leg pipe is connected in the two side holes of fork-join shoulder box, respectively weld a front fork in fork leg pipe lower end and collude formation, it is characterized in that the cavity of its fork-join shoulder box similar " V " shape, 3 holes are separately positioned on the vertex of a triangle; Its front fork colludes similar " duckbilled " formboard, is provided with that rim axle hook hole, mudwing prop up the rod hole and a gap constitutes.
2, Electrical Bicycle front fork structure according to claim 1, it is characterized in that described fork leg pipe is by inner sleeve, outer tube is formed, outer tube is thicker than inner sleeve, upper inside wall welded nut at outer tube, clenched bolt, be inserted in spring on the bolt, plastics garden circle is set on spring, the external diameter of plastics garden circle and the internal diameter of outer tube are flush fit, the internal diameter of plastics garden circle cooperates for living with the external diameter of inner sleeve, plastics garden circle connects and sealing inner sleeve and outer tube, and the dust protecting cap that is provided with the band fold of rubber making in the outside of inner sleeve and outer tube junction constitutes.
3, Electrical Bicycle front fork structure according to claim 1, it is characterized in that band colludes on the hanging scroll in the rim axle hook hole that described front fork colludes annex, mudwing prop up in the rod hole a fixedly rod of mudwing, the axle of rim was gone up and is fixed with nut before gap was enclosed within, be about to, front fork is captiveed joint formation with preceding rim.
4, Electrical Bicycle front fork structure according to claim 1 is characterized in that fork standpipe, the inside and outside sleeve pipe of fork leg pipe, the fork-join shoulder box of front fork made with metallic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620027325 CN200942851Y (en) | 2006-09-15 | 2006-09-15 | Electric bicycle front fork structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620027325 CN200942851Y (en) | 2006-09-15 | 2006-09-15 | Electric bicycle front fork structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200942851Y true CN200942851Y (en) | 2007-09-05 |
Family
ID=38717480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620027325 Expired - Fee Related CN200942851Y (en) | 2006-09-15 | 2006-09-15 | Electric bicycle front fork structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200942851Y (en) |
-
2006
- 2006-09-15 CN CN 200620027325 patent/CN200942851Y/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 | ||
| 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 |