CN103523141A - One-armed suspension front fork of bicycle - Google Patents
One-armed suspension front fork of bicycle Download PDFInfo
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- CN103523141A CN103523141A CN201310168341.5A CN201310168341A CN103523141A CN 103523141 A CN103523141 A CN 103523141A CN 201310168341 A CN201310168341 A CN 201310168341A CN 103523141 A CN103523141 A CN 103523141A
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- inner tube
- hydraulic damper
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Abstract
The invention belongs to the field of bicycle parts, and discloses a one-armed suspension front fork of a bicycle. The defects that an existing double-armed front fork is poor in suspension effect and heavy are overcome. The one-armed suspension front fork of the bicycle comprises a suspension pipe composed of a bottom cylinder and an inner pipe, wherein the lower portion of the inner pipe is contained in the upper portion of the bottom cylinder; a crown is fixedly installed at the upper portion of the inner pipe in a sleeved mode; the crown is fixedly provided with a head tube; an adjustable hydraulic damper, a spring and a piston rod are installed in a hollow inner cavity of the inner pipe; the piston rod is fixedly connected with a telescopic rod at the lower end of the adjustable hydraulic damper; an air inflation pipeline penetrating through the upper end portion and the lower end portion is arranged inside the piston rod; a valve core is installed at an air outlet of the bottom end of the piston rod in a screwed mode; a compressed air chamber of a closed space is formed between the adjustable hydraulic damper and the piston rod; an end cap is screwed at the lower portion of the bottom cylinder; a nut is screwed at the bottom of the piston rod; a front wheel spindle which is transversely arranged is connected to the lower portion of the bottom cylinder; an inner pipe bottom cover is screwed at the lower portion of the inner pipe. The one-armed suspension front fork of the bicycle has the advantages of being good in suspension effect, low in cost, light in weight and convenient to install.
Description
Technical field
The invention belongs to bicycle part field, especially relevant with a kind of single arm bicycle shock-proof front-fork assembly.
Background technology
Conventionally, front fork structure of bicycle is all similar, its underpart is by a fixing fork for front-wheel, this fork is comprised of two telescopic pipes of symmetry, top is a handle riser seat, handle riser seat is directly fixed on vehicle frame through pipe before vehicle frame, the shortcoming of this shock-proof front-fork assembly is apparent, the one, weight is all heavier, the 2nd, just in case that tire is punctured dismounting is very inconvenient, the 3rd, two telescopic pipe functions on front fork are just in time contrary, during work, one will be compressed another root and will stop compression, so just make shock-proof effect variation, increased the consumption of energy, in order to overcome the shortcoming of above-mentioned front fork, we conduct in-depth research front fork, invented this single arm bicycle shock-proof front-fork assembly.
Summary of the invention
Object of the present invention is exactly to overcome the defect that above-mentioned both arms front fork exists, and provides that a kind of shock-proof effect is good, lightweight, dismounting tire single armed shock-proof front-fork assembly easily.
For this reason, the present invention is by the following technical solutions: a kind of single arm bicycle shock-proof front-fork assembly, it is characterized in that: described single arm bicycle shock-proof front-fork assembly comprises a shock absorbing pipe, this shock absorbing pipe is comprised of the inner tube of a round outside but spuare inside end Tong Heyige inner circle foreign side, end jacket casing is loaded on inner tube, inner tube bottom is placed in the top of end cylinder, described inner tube top fixed cover is equipped with shoulder lid, shoulder covers and is installed with head tube, in the hollow cavity of described inner tube, hydraulic damper with adjustable is installed, the piston rod of spring and end band piston, this hydraulic damper with adjustable top is provided with the shoulder of outwardly convex, bottom is provided with threaded expansion link, described shoulder is against the top outside of inner tube, the expansion link of the piston head of described piston rod and described hydraulic damper with adjustable lower end is fixed with screw thread, piston rod inside is provided with in perforation, the inflation road of bottom, the lower end that end cylinder is extended in the bar portion bottom of piston rod, the air extractor duct place, bottom of piston rod has been screwed valve inside, between the piston of described hydraulic damper with adjustable and described piston rod, form the compression air chamber of enclosure space, the bottom of described end cylinder has been screwed plug by end cylinder sealed bottom, and described piston rod bottom has been screwed nut, and this nut is fixed piston rod, and the bottom of described end cylinder is connected with the front wheel spindle of horizontally set, and this front wheel spindle is used for being set with front-wheel, the described inner tube bottom inner tube bottom of screwing on, piston rod passes inner tube bottom, described spring housing is loaded on piston rod, be placed between the piston bottom and described inner tube bottom of piston rod, described end drum outer wall and the connecting portion place of inner tube are set with end cover, this end cover is a pipe, in the middle of pipe, is provided with inwardly protruded annulus shoulder, and described end cylinder inwall and the connecting portion place of inner tube are provided with orienting sleeve.
As the further of such scheme improved and supplemented, the present invention also comprises following technical scheme.
Between the outer wall of described end cover inwall and described inner tube, be provided with dust protection rubber circle, play sealing function, prevent that dust or water from entering inner tube and end cylinder inwall, corrosion inner tube and end cylinder are inner.
Described end cylinder and the junction of inner tube are provided with several in line needle rollers.
The groove of the piston on described piston rod is provided with the first seal ring.
Described hydraulic damper with adjustable top is fixedly installed adjusting knob, rotation adjusting knob, and adjustable hydraulic damper with adjustable puts in the length of inner tube, plays the soft or hard state of adjusting Shock absorber.
Between described hydraulic damper with adjustable and the inwall of inner tube, be provided with the second seal ring.
Installation process of the present invention is: process first on request each parts, plug is tightened against to cylinder bottom, the end, the in line needle roller of bar is put on the square inwall of end cylinder, head tube and interior effective flush fit are pressed onto respectively to shoulder to be covered, by dust protection rubber circle, end cover and orienting sleeve overlap on inner pipe successively, the inner tube bottom of screwing in inner tube bottom, inner tube is packed in the middle of the in line needle roller of bar in end cylinder, and press downward in end cylinder, orienting sleeve is pressed in end cylinder, the end cover of screwing on, the first seal ring is packed in the pistion recess on piston rod top, expansion link and the piston rod of hydraulic damper with adjustable lower end are fixed with screw thread, first spring is put into inner tube from top, on hydraulic damper with adjustable, put the second seal ring, then oneself being loaded onto to the hydraulic damper with adjustable of piston rod puts into inner tube and tightens and fix on inner pipe, by nut screwing clamping fixed piston rod, the valve inside of screwing on below piston rod, front fork soft durometer is on request filled with pressure gas, single wall shock-proof front-fork assembly has assembled.
Working process of the present invention: when single armed shock-proof front-fork assembly is given a shock, inner tube can be to lower compression, at this moment compression air chamber and hydraulic damper with adjustable are compressed, when vibrations pressure is removed because the effect front fork of compressed gas can be got back to original state again, so perseveration is with the energy of absorbing vibration, reach shock-proof effect, the shock-absorbing soft durometer of this single armed Shock absorber can be regulated by the adjusting knob that is arranged at hydraulic damper with adjustable top, and this hydraulic damper with adjustable resistance can be by soft to vigour joint until locked.
Use the present invention can reach following beneficial effect: the present invention is owing to having adopted single arm structure, the weight of front fork can alleviate approximately 1/3rd, it is very convenient quick that dismounting front-wheel and tire become, because hydraulic damper with adjustable and spring fitting are in a shock absorbing pipe, make the flexible more smooth and easy of Shock absorber, shock-proof effect is better, safe and reliable, also save raw-material use, conformed to the requirement of environmental protection and energy saving.
Accompanying drawing explanation
Fig. 1 is cutaway view of the present invention.
Fig. 2 is the cutaway view Amplified image of the end of the present invention cylinder.
Fig. 3 is the cutaway view Amplified image of inner tube of the present invention bottom.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
As shown in Figure 1, the present invention includes a shock absorbing pipe, this shock absorbing pipe is comprised of the inner tube 2 of a round outside but spuare inside end cylinder 1 He Yige inner circle foreign side, end cylinder 1 is set in inner tube 2, inner tube 2 bottoms are placed in the top of end cylinder 1, described inner tube 2 top fixed covers are equipped with shoulder and cover 3, shoulder covers and on 3, is installed with head tube 5, in the hollow cavity of described inner tube 2, hydraulic damper with adjustable 4 is installed, the piston rod 8 of spring 9 and end band piston, these hydraulic damper with adjustable 4 tops are provided with the shoulder of outwardly convex, bottom is provided with threaded expansion link, described shoulder is against the top outside of inner tube 2, the expansion link of the piston head of described piston rod 8 and described hydraulic damper with adjustable 4 lower ends is fixed with screw thread, piston rod 8 inside are provided with in perforation, the inflation road 10 of bottom, the lower end that end cylinder 1 is extended in the bar portion bottom of piston rod 8, the air extractor duct place, bottom of piston rod 8 has been screwed valve inside 12, between the piston of described hydraulic damper with adjustable 4 and described piston rod 8, form the compression air chamber 17 of enclosure space, the bottom of described end cylinder 1 has been screwed plug 11 by end cylinder 1 sealed bottom, described piston rod 8 bottoms have been screwed nut 20, this nut 20 is fixing by piston rod 8, and the bottom of described end cylinder 1 is connected with the front wheel spindle 13 of horizontally set, and this front wheel spindle 13 is for being set with front-wheel, the described inner tube 2 bottoms inner tube bottom 18 of screwing on, piston rod 8 passes inner tube bottom 18, described spring 9 is set on piston rod 8, be placed between the piston bottom and described inner tube bottom 18 of piston rod 8, described end cylinder 1 outer wall and the connecting portion place of inner tube 2 are set with end cover 15, this end cover 15 is a pipe, in the middle of pipe, be provided with inwardly protruded annulus shoulder, described end cylinder 1 inwall and the connecting portion place of inner tube 2 are provided with orienting sleeve 14, between the outer wall of described end cover 15 inwalls and described inner tube 2, be provided with dust protection rubber circle 19, play sealing function, prevent that dust or water from entering inner tube 2 and end cylinder 1 inwall, corrosion inner tube 2 and end cylinder 1 inside, described end cylinder 1 and the junction of inner tube 2 are provided with several in line needle rollers 21, the groove of the piston on described piston rod 8 is provided with the first seal ring 7, described hydraulic damper with adjustable 4 tops are fixedly installed adjusting knob 16, rotation adjusting knob 16, and adjustable hydraulic damper with adjustable 4 puts in the length of inner tube, plays the soft or hard state of adjusting Shock absorber, between described hydraulic damper with adjustable 4 and the inwall of inner tube 2, be provided with the second seal ring 6.
Installation process of the present invention is: process first on request each parts, plug 11 is tightened against to end cylinder 1 bottom, 4 in line needle rollers 21 are put on the square inwall of end cylinder 1, head tube 5 and inner tube 2 use flush fits are pressed onto respectively to shoulder to be covered on 3, by dust protection rubber circle 19, end cover 15 and orienting sleeve 14 are enclosed within inner tube 2 successively, the inner tube bottom 18 of screwing in inner tube 2 bottoms, 4 in line needle rollers 21 that inner tube 2 is packed in end cylinder 1 are middle, and press downward in end cylinder 1, orienting sleeve 14 is pressed in end cylinder 1, the end cover 15 of screwing on, the first seal ring 7 is packed in the pistion recess on piston rod 8 tops, the expansion link of hydraulic damper with adjustable 4 lower ends and piston rod 8 use screw threads are fixed, first spring 9 is put into inner tube 2 from top, on hydraulic damper with adjustable 4, put the second seal ring 6, then the hydraulic damper with adjustable 4 of oneself being loaded onto to piston rod is put into inner tube 2 and is tightened and is fixed in inner tube 2, nut 20 is tightened to fixed piston rod 8, the valve inside 12 of screwing on below piston rod 8, front fork soft durometer is on request filled with pressure gas, single wall shock-proof front-fork assembly has assembled.
Working process of the present invention: when single armed shock-proof front-fork assembly is given a shock, inner tube 2 can be to lower compression, at this moment compression air chamber 17 and hydraulic damper with adjustable 4 are compressed, when vibrations pressure is removed because the effect front fork of compressed gas can be got back to original state again, so perseveration is with the energy of absorbing vibration, reach shock-proof effect, the shock-absorbing soft durometer of this single armed Shock absorber can be regulated by the adjusting knob 16 that is arranged at hydraulic damper with adjustable 4 tops, and the resistance of this hydraulic damper with adjustable 8 can be by soft to vigour joint until locked.
Claims (6)
1. a single arm bicycle shock-proof front-fork assembly, it is characterized in that: described single arm bicycle shock-proof front-fork assembly comprises a shock absorbing pipe, this shock absorbing pipe is comprised of the inner tube (2) of round outside but spuare inside end cylinder (1) He Yige inner circle foreign side, end cylinder (1) is set in inner tube (2), inner tube (2) bottom is placed in the top of end cylinder (1), described inner tube (2) top fixed cover is equipped with shoulder lid (3), on shoulder lid (3), be installed with head tube (5), hydraulic damper with adjustable (4) is installed in the hollow cavity of described inner tube (2), the piston rod (8) of spring (9) and end band piston, this hydraulic damper with adjustable (4) top is provided with the shoulder of outwardly convex, bottom is provided with threaded expansion link, described shoulder is against the top outside of inner tube (2), the expansion link of the piston head of described piston rod (8) and described hydraulic damper with adjustable (4) lower end is fixed with screw thread, piston rod (8) inside is provided with in perforation, the inflation road (10) of bottom, the lower end of end cylinder (1) is extended in the bar portion bottom of piston rod (8), the air extractor duct place, bottom of piston rod (8) has been screwed valve inside (12), between described hydraulic damper with adjustable (4) and the piston of described piston rod (8), form the compression air chamber (17) of enclosure space, the bottom of described end cylinder (1) has been screwed plug (11) by end cylinder (1) sealed bottom, described piston rod (8) bottom has been screwed nut (20), this nut (20) is fixing by piston rod (8), the bottom of described end cylinder (1) is connected with the front wheel spindle (13) of horizontally set, and this front wheel spindle (13) is for being set with front-wheel, described inner tube (2) the bottom inner tube bottom (18) of screwing on, piston rod (8) passes inner tube bottom (18), described spring (9) is set on piston rod (8), be placed between the piston bottom and described inner tube bottom (18) of piston rod (8), described end cylinder (1) outer wall and the connecting portion place of inner tube (2) are set with end cover (15), this end cover (15) is a pipe, in the middle of pipe, be provided with inwardly protruded annulus shoulder, described end cylinder (1) inwall and the connecting portion place of inner tube (2) are provided with orienting sleeve (14).
2. a kind of single arm bicycle shock-proof front-fork assembly according to claim 1, is characterized in that: between described end cover (15) inwall and the outer wall of described inner tube (2), be provided with dust protection rubber circle (19).
3. a kind of single arm bicycle shock-proof front-fork assembly according to claim 1, is characterized in that: described end cylinder (1) and the junction of inner tube (2) are provided with several in line needle rollers (21).
4. a kind of single arm bicycle shock-proof front-fork assembly according to claim 1, is characterized in that: the groove of the piston on described piston rod (8) is provided with the first seal ring (7).
5. a kind of single arm bicycle shock-proof front-fork assembly according to claim 1, is characterized in that: described hydraulic damper with adjustable (4) top is fixedly installed adjusting knob (16).
6. a kind of single arm bicycle shock-proof front-fork assembly according to claim 1, is characterized in that: between described hydraulic damper with adjustable (4) and the inwall of inner tube (2), be provided with the second seal ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310168341.5A CN103523141B (en) | 2013-05-06 | 2013-05-06 | A kind of single arm bicycle shock-proof front-fork assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310168341.5A CN103523141B (en) | 2013-05-06 | 2013-05-06 | A kind of single arm bicycle shock-proof front-fork assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103523141A true CN103523141A (en) | 2014-01-22 |
| CN103523141B CN103523141B (en) | 2017-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310168341.5A Active CN103523141B (en) | 2013-05-06 | 2013-05-06 | A kind of single arm bicycle shock-proof front-fork assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN103523141B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110731831A (en) * | 2019-09-27 | 2020-01-31 | 卢维红 | Intelligent veterinary automatic injector |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000043261A1 (en) * | 1999-01-22 | 2000-07-27 | Cannondale Corporation | Vehicle suspension fork |
| CN2613434Y (en) * | 2003-03-31 | 2004-04-28 | 台湾司普工业股份有限公司 | Front fork for bicycle |
| CN200971143Y (en) * | 2006-11-21 | 2007-11-07 | 凯萨克科技股份有限公司 | Damping front fork with inflator |
| CN101398053A (en) * | 2007-09-28 | 2009-04-01 | 株式会社昭和 | Hydraulic shock absorber |
| CN101554909A (en) * | 2008-04-11 | 2009-10-14 | 株式会社岛野 | Bicycle suspension having stroke and damper adjustment |
| CN201390353Y (en) * | 2009-02-21 | 2010-01-27 | 达建工业股份有限公司 | Shockproof bumper with functions of spatial adjusting and stroke switching |
| US20110049833A1 (en) * | 2009-08-26 | 2011-03-03 | Frank Roth Co., Inc. | Bicycle suspension system |
| CN102398658B (en) * | 2010-09-16 | 2013-11-20 | 什拉姆有限责任公司 | Travel adjustment mechanism for a suspension system |
-
2013
- 2013-05-06 CN CN201310168341.5A patent/CN103523141B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000043261A1 (en) * | 1999-01-22 | 2000-07-27 | Cannondale Corporation | Vehicle suspension fork |
| CN2613434Y (en) * | 2003-03-31 | 2004-04-28 | 台湾司普工业股份有限公司 | Front fork for bicycle |
| CN200971143Y (en) * | 2006-11-21 | 2007-11-07 | 凯萨克科技股份有限公司 | Damping front fork with inflator |
| CN101398053A (en) * | 2007-09-28 | 2009-04-01 | 株式会社昭和 | Hydraulic shock absorber |
| CN101554909A (en) * | 2008-04-11 | 2009-10-14 | 株式会社岛野 | Bicycle suspension having stroke and damper adjustment |
| CN201390353Y (en) * | 2009-02-21 | 2010-01-27 | 达建工业股份有限公司 | Shockproof bumper with functions of spatial adjusting and stroke switching |
| US20110049833A1 (en) * | 2009-08-26 | 2011-03-03 | Frank Roth Co., Inc. | Bicycle suspension system |
| CN102398658B (en) * | 2010-09-16 | 2013-11-20 | 什拉姆有限责任公司 | Travel adjustment mechanism for a suspension system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110731831A (en) * | 2019-09-27 | 2020-01-31 | 卢维红 | Intelligent veterinary automatic injector |
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| Publication number | Publication date |
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| CN103523141B (en) | 2017-08-08 |
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