CN103523141B - A kind of single arm bicycle shock-proof front-fork assembly - Google Patents
A kind of single arm bicycle shock-proof front-fork assembly Download PDFInfo
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- CN103523141B CN103523141B CN201310168341.5A CN201310168341A CN103523141B CN 103523141 B CN103523141 B CN 103523141B CN 201310168341 A CN201310168341 A CN 201310168341A CN 103523141 B CN103523141 B CN 103523141B
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Abstract
A kind of single arm bicycle shock-proof front-fork assembly, belongs to bicycle part field.Existing both arms front fork has that shock-proof effect is poor, the shortcoming of weight weight.The present invention includes a shock absorbing pipe being made up of bottom cylinder and inner tube, inner tube bottom is placed in bottom cylinder top, fixed cover is equipped with shoulder lid above inner tube, shoulder, which is covered, is installed with head tube, hydraulic damper with adjustable is installed in the hollow cavity of inner tube, spring and piston rod, piston rod and the expansion link of hydraulic damper with adjustable lower end are affixed, piston rod inner is provided with the inflation road of insertion upper and lower end parts, valve inside has been screwed at the bottom gas outlet of piston rod, the compression air chamber of closing space is formed between hydraulic damper with adjustable and piston rod, the bottom of bottom cylinder has been screwed plug, piston rod bottom has been screwed nut, bottom cylinder bottom is connected with the front axle of laterally setting, screw on inner tube bottom in inner tube bottom.The present invention has the advantages that shock-proof effect is good, cost is low, lightweight and easy for installation.
Description
Technical field
It is especially relevant with a kind of single arm bicycle shock-proof front-fork assembly the invention belongs to bicycle part field.
Background technology
Generally, front fork structure of bicycle is all similar, and its underpart is by the fork of a fixed front-wheel, and the fork is symmetrical by two
Telescopic pipe composition, top is handle riser seat, and handle riser seat is fixed on vehicle frame directly through vehicle frame front tube, this shock-absorbing
The shortcoming of front fork be it will be apparent that one is that weight is all heavier, two be just in case tire to be punctured dismounting very inconvenient, before three are
Two telescoping tube functions on fork are contrasts, during work one to compress another to prevent compression, thus make to keep away
Shake effect to be deteriorated, add the consumption of energy, in order to be able to overcome the shortcoming of above-mentioned front fork, we have carried out deep grind to front fork
Study carefully, invented this single arm bicycle shock-proof front-fork assembly.
The content of the invention
The purpose of the present invention be exactly the defect that overcomes above-mentioned both arms front fork to exist there is provided a kind of shock-proof effect it is good, lightweight,
Dismount the convenient single armed shock-proof front-fork assembly of tire.
Therefore, the present invention uses following technical scheme：A kind of single arm bicycle shock-proof front-fork assembly, it is characterised in that：Described
Single arm bicycle shock-proof front-fork assembly includes shock absorbing pipe, and the shock absorbing pipe is by a round outside but spuare inside bottom cylinder and inner circle foreign side
Inner tube is constituted, and bottom jacket casing is loaded on inner tube, and inner tube bottom is placed in fixed cover above the top of bottom cylinder, described inner tube and shoulder is housed
Lid, shoulder, which is covered, is installed with head tube, and hydraulic damper with adjustable, spring and end are provided with the hollow cavity of described inner tube
The shoulder of outwardly convex is provided with the top of piston rod with piston, the hydraulic damper with adjustable, bottom is provided with threaded stretch
Contracting bar, described shoulder is against the top outside of inner tube, and the top land of described piston rod hinders with described adjustable hydraulic
The expansion link of Buddhist nun's device lower end is with being screwed, and piston rod inner is provided with the inflation road of the upper and lower end of insertion, the bar portion of piston rod
The lower end of bottom cylinder is extended in bottom, has been screwed valve inside at the bottom gas outlet of piston rod, described hydraulic damper with adjustable with
The compression air chamber of closing space is formed between the piston of described piston rod；The bottom of described bottom cylinder has been screwed plug by bottom cylinder
Sealed bottom, described piston rod bottom has been screwed nut, and the nut fixes piston rod, and the bottom of described bottom cylinder is connected with
The front axle laterally set, the front axle is used to be set with front-wheel；Inner tube bottom is screwed in described inner tube bottom, and piston rod passes interior
Ttom of pipe lid, described spring housing is placed in the piston lower portion of piston rod between described inner tube bottom, institute loaded on piston rod
Bottom cover is set with the bottom drum outer wall and the connecting portion of inner tube stated, the bottom cover is to be provided with the middle of a pipe, pipe inwardly
Guide sleeve is installed at raised annulus shoulder, described bottom cylinder inwall and the connecting portion of inner tube.
As further improving and supplementing to such scheme, present invention additionally comprises following technical scheme.
Dust protection rubber circle is provided between described bottom cover inwall and the outer wall of described inner tube, sealing function is played,
Prevent dust or water from entering inner tube and bottom cylinder inwall, corrosion inner tube and bottom cylinder are internal.
Described bottom cylinder and the junction of inner tube are provided with several in line needle rollers.
The groove of piston on described piston rod is provided with the first sealing ring.
Adjusting knob is fixedly installed at the top of described hydraulic damper with adjustable, rotation of adjustment knob can adjust adjustable liquid
Pressure damper puts in the length of inner tube, plays the soft or hard state of adjustment shock absorber.
The second sealing ring is provided between described hydraulic damper with adjustable and the inwall of inner tube.
The present invention installation process be：Process each part on request first, plug is tightened against bottom cylinder bottom, bar is straight
Row's needle roller is put on the square inwall in the cylinder of bottom, and head tube and interior effective tight fit are pressed onto into shoulder respectively and covered, by dust protection rubber
Circle, bottom cover and guide sleeve are sequentially sleeved in inner tube, and inner tube bottom is screwed in inner tube bottom, and the bar that inner tube is loaded in the cylinder of bottom is straight
Arrange in the middle of needle roller, and press downward in the cylinder of bottom, be directed in the cylinder of set press-in bottom, screw on bottom cover, the first sealing ring is loaded and lived
In the pistion recess on stopper rod top, the expansion link of hydraulic damper with adjustable lower end with piston rod with being screwed, first by spring from
Top is put into inner tube, and the second sealing ring on set, then loads onto oneself the adjustable hydraulic of piston rod on hydraulic damper with adjustable
Damper is put into inner tube and is tightened in inner tube, nut is tightened fixed piston rod, and valve inside is screwed on below piston rod,
Front fork soft durometer on request is filled with compressed gas, and single wall shock-proof front-fork assembly is that assembling is completed.
The course of work of the present invention：When single armed shock-proof front-fork assembly is given a shock, inner tube can be compressed downwards, at this moment compression air chamber
Compressed with hydraulic damper with adjustable, when shaking pressure releases because the effect front fork of compressed gas can return to original shape again
State, such perseveration reaches shock-proof effect to absorb the energy of vibrations, and the shock-absorbing soft durometer of the single armed shock absorber can be by setting
Adjusting knob in hydraulic damper with adjustable top is adjusted, the hydraulic damper with adjustable resistance can by it is soft to vigour section until
It is locked.
Following beneficial effect can be reached using the present invention：The present invention is as a result of single arm structure, and the weight of front fork can
Mitigate about 1/3rd, dismounting front-wheel and tire become very convenient quick, because hydraulic damper with adjustable and spring are arranged on
In one shock absorbing pipe, make the flexible more smooth of shock absorber, shock-proof effect is more preferably, safe and reliable, also saves making for raw material
With conforming to the requirement of environmental protection and energy saving.
Brief description of the drawings
Fig. 1 is the sectional view of the present invention.
Fig. 2 is the cutaway view Amplified image of the bottom cylinder of the present invention.
Fig. 3 is the cutaway view Amplified image of the inner tube bottom of the present invention.
Embodiment
The embodiment to the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, the present invention includes a shock absorbing pipe, the shock absorbing pipe is in round outside but spuare inside a bottom cylinder 1 and one
The inner tube 2 of circle foreign side is constituted, and bottom cylinder 1 is set in inner tube 2, and the bottom of inner tube 2 is placed in the top of bottom cylinder 1, the described top of inner tube 2
Fixed cover is equipped with shoulder lid 3, is installed with head tube 5 on shoulder lid 3, and adjustable hydraulic is provided with the hollow cavity of described inner tube 2
The piston rod 8 of damper 4, spring 9 and end with piston, the top of hydraulic damper with adjustable 4 is provided with the shoulder of outwardly convex,
Bottom is provided with threaded expansion link, and described shoulder is against the top outside of inner tube 2, the piston of described piston rod 8
The expansion link of top and the described lower end of hydraulic damper with adjustable 4 is with being screwed, and it is upper and lower that piston rod 8 is internally provided with insertion
The inflation road 10 of end, the bar portion bottom of piston rod 8 is extended to be screwed at the lower end of bottom cylinder 1, the bottom gas outlet of piston rod 8
The compression air chamber of closing space is formed between the piston of valve inside 12, described hydraulic damper with adjustable 4 and described piston rod 8
17；The bottom of described bottom cylinder 1 has been screwed plug 11 by bottom 1 sealed bottom of cylinder, and the described bottom of piston rod 8 has been screwed nut
20, the nut 20 fixes piston rod 8, and the bottom of described bottom cylinder 1 is connected with the front axle 13 of laterally setting, the front axle 13
For being set with front-wheel；Inner tube bottom 18 is screwed in the described bottom of inner tube 2, and piston rod 8 passes inner tube bottom 18, described spring 9
It is set on piston rod 8, is placed in the piston lower portion of piston rod 8 between described inner tube bottom 18, described bottom 1 outer wall of cylinder
With being set with bottom cover 15 at the connecting portion of inner tube 2, the bottom cover 15 is to be provided with inwardly protruded circle in the middle of a pipe, pipe
Ring shoulder, described bottom 1 inwall of cylinder at the connecting portion of inner tube 2 with being provided with guide sleeve 14, the described inwall of bottom cover 15 and institute
Dust protection rubber circle 19 is provided between the outer wall for the inner tube 2 stated, sealing function is played, prevents dust or water from entering the He of inner tube 2
Inside bottom 1 inwall of cylinder, corrosion inner tube 2 and bottom cylinder 1；Described bottom cylinder 1 and the junction of inner tube 2 are provided with several in line needle rollers
21；The groove of piston on described piston rod 8 is provided with the first sealing ring 7；The described top of hydraulic damper with adjustable 4 is solid
Surely adjusting knob 16 is provided with, rotation of adjustment knob 16, adjustable hydraulic damper with adjustable 4 puts in the length of inner tube, plays tune
The soft or hard state of whole shock absorber；The second sealing ring 6 is provided between described hydraulic damper with adjustable 4 and the inwall of inner tube 2.
The present invention installation process be：Process each part on request first, plug 11 is tightened against bottom 1 bottom of cylinder, by 4
The in line needle roller 21 of bar is put on the square inwall in bottom cylinder 1, and head tube 5 and inner tube 2 are pressed onto on shoulder lid 3 respectively with tight fit,
Dust protection rubber circle 19, bottom cover 15 and guide sleeve 14 are sequentially sleeved in inner tube 2, inner tube bottom 18 is screwed in the bottom of inner tube 2, will
Inner tube 2 loads in the middle of 4 in line needle rollers 21 in bottom cylinder 1, and presses downward in bottom cylinder 1, is directed to set 14 and is pressed into bottom cylinder 1,
Bottom cover 15 is screwed on, the first sealing ring 7 is loaded in the pistion recess on the top of piston rod 8, the lower end of hydraulic damper with adjustable 4 is stretched
Spring 9, with being screwed, is first put into inner tube 2 by contracting bar with piston rod 8 from top, on hydraulic damper with adjustable 4 the on set
Two sealing rings 6, the hydraulic damper with adjustable 4 that oneself then is loaded onto into piston rod is put into inner tube 2 and is tightened in inner tube 2, will
Nut 20 tightens fixed piston rod 8, and valve inside 12 is screwed on below piston rod 8, and front fork soft durometer on request is filled with compressed gas
Body, single wall shock-proof front-fork assembly is that assembling is completed.
The course of work of the present invention：When single armed shock-proof front-fork assembly is given a shock, inner tube 2 can be compressed downwards, at this moment compressed gas
Room 17 and hydraulic damper with adjustable 4 are compressed, when shaking pressure releases because the effect front fork of compressed gas can return to original again
The state come, such perseveration reaches shock-proof effect to absorb the energy of vibrations, and the shock-absorbing soft durometer of the single armed shock absorber can
It is adjusted by the adjusting knob 16 for being arranged at the top of hydraulic damper with adjustable 4, the resistance of the hydraulic damper with adjustable 8 can be by soft
To vigour section until locked.
Claims (6)
1. a kind of single arm bicycle shock-proof front-fork assembly, it is characterised in that：Described single arm bicycle shock-proof front-fork assembly includes a shock-absorbing
Pipe, the shock absorbing pipe is by a round outside but spuare inside bottom cylinder（1）With the inner tube of an inner circle foreign side（2）Composition, bottom cylinder（1）In being set in
Pipe（2）, inner tube（2）Bottom is placed in bottom cylinder（1）Top, described inner tube（2）Top fixed cover be equipped with shoulder lid（3）, shoulder
Lid（3）On be installed with head tube（5）, described inner tube（2）Hollow cavity in hydraulic damper with adjustable is installed（4）, bullet
Spring（9）With piston rod of the end with piston（8）, the hydraulic damper with adjustable（4）Top be provided with the shoulder of outwardly convex, under
Portion is provided with threaded expansion link, and described shoulder is against inner tube（2）Top outside, described piston rod（8）Work
Plug top and described hydraulic damper with adjustable（4）Lower end expansion link with being screwed, piston rod（8）It is internally provided with and passes through
Lead to the inflation road of upper and lower end（10）, piston rod（8）Bar portion bottom extend bottom cylinder（1）Lower end, piston rod（8）Bottom
Bring out and valve inside has been screwed at gas port（12）, described hydraulic damper with adjustable（4）With described piston rod（8）Piston between
Form the compression air chamber of closing space（17）；Described bottom cylinder（1）Bottom be screwed plug（11）By bottom cylinder（1）Bottom is close
Envelope, described piston rod（8）Bottom be screwed nut（20）, the nut（20）By piston rod（8）Fixed, described bottom cylinder
（1）Bottom be connected with laterally setting front axle（13）, the front axle（13）For being set with front-wheel；Described inner tube（2）'s
Screw on inner tube bottom in bottom（18）, piston rod（8）Pass inner tube bottom（18）, described spring（9）It is set in piston rod（8）
On, it is placed in piston rod（8）Piston lower portion and described inner tube bottom（18）Between, described bottom cylinder（1）Outer wall with it is interior
Pipe（2）Connecting portion at be set with bottom cover（15）, the bottom cover（15）For a pipe, it is provided with the middle of pipe inwardly protruded
Annulus shoulder, described bottom cylinder（1）Inwall and inner tube（2）Connecting portion at guide sleeve is installed（14）.
2. a kind of single arm bicycle shock-proof front-fork assembly according to claim 1, it is characterised in that：Described bottom cover（15）'s
Inwall and described inner tube（2）Outer wall between be provided with dust protection rubber circle（19）.
3. a kind of single arm bicycle shock-proof front-fork assembly according to claim 1, it is characterised in that：Described bottom cylinder（1）With it is interior
Pipe（2）Junction be provided with several in line needle rollers（21）.
4. a kind of single arm bicycle shock-proof front-fork assembly according to claim 1, it is characterised in that：Described piston rod（8）On
The groove of piston be provided with the first sealing ring（7）.
5. a kind of single arm bicycle shock-proof front-fork assembly according to claim 1, it is characterised in that：Described adjustable hydraulic damping
Device（4）Top be fixedly installed adjusting knob（16）.
6. a kind of single arm bicycle shock-proof front-fork assembly according to claim 1, it is characterised in that：Described adjustable hydraulic damping
Device（4）With inner tube（2）Inwall between be provided with the second sealing 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 CN103523141A (en) | 2014-01-22 |
| CN103523141B true CN103523141B (en) | 2017-08-08 |
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ID=49925595
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 |
|---|---|
| CN (1) | CN103523141B (en) |
Families Citing this family (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 (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN101554909B (en) * | 2008-04-11 | 2012-09-05 | 株式会社岛野 | Bicycle suspension having stroke and damper adjustment |
| CN102398658B (en) * | 2010-09-16 | 2013-11-20 | 什拉姆有限责任公司 | Travel adjustment mechanism for a suspension system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000043261A1 (en) * | 1999-01-22 | 2000-07-27 | Cannondale Corporation | Vehicle suspension fork |
| US8181978B2 (en) * | 2009-08-26 | 2012-05-22 | Kinzler Frederick W | Bicycle suspension system |
-
2013
- 2013-05-06 CN CN201310168341.5A patent/CN103523141B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101554909B (en) * | 2008-04-11 | 2012-09-05 | 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 |
| CN102398658B (en) * | 2010-09-16 | 2013-11-20 | 什拉姆有限责任公司 | Travel adjustment mechanism for a suspension system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103523141A (en) | 2014-01-22 |
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