CN201424103Y - Front shock absorber with adjustable motorcycle recovery damping force - Google Patents
Front shock absorber with adjustable motorcycle recovery damping force Download PDFInfo
- Publication number
- CN201424103Y CN201424103Y CN2009200391391U CN200920039139U CN201424103Y CN 201424103 Y CN201424103 Y CN 201424103Y CN 2009200391391 U CN2009200391391 U CN 2009200391391U CN 200920039139 U CN200920039139 U CN 200920039139U CN 201424103 Y CN201424103 Y CN 201424103Y
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- China
- Prior art keywords
- damping force
- piston rod
- adjust bar
- recovery damping
- throat bushing
- 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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- 238000011084 recovery Methods 0.000 title claims abstract description 45
- 238000013016 damping Methods 0.000 title claims abstract description 44
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 15
- 230000035939 shock Effects 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 206010006100 Bradykinesia Diseases 0.000 description 1
- 208000006083 Hypokinesia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
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Abstract
The utility model discloses a front shock absorber with adjustable motorcycle recovery damping force, which comprises a front fork tube (10); a spring, a piston rod (7), a free valve (12) and a pistonring (11) on the piston rod (7) are arranged in the front fork tube (10); the free valve (12) and the piston rod (7) form a closed working chamber in the front fork tube (10); an adjusting rod (6) isinserted in an inner hole of the piston rod (7); one end of the adjusting rod (6) is inserted into the inner hole by a sealing screw plug (4); the piston rod (7) is provided with a throttling performance hole capable of producing recovery damping force; the throttling performance hole is communicated with the closed working chamber; one end of the adjusting rod (6) which extends into the inner hole is sleeved with a throttle sleeve (8); the throttle sleeve (8) rotates as the adjusting rod (6); a plurality of orifices with different diameter are arranged on the circumferential surface of the throttle sleeve (8); and the adjusting rod (6) is rotated, so that the orifices are butted with the throttling performance hole.
Description
Technical field
The utility model relates to the adjustable front shock absorber of a kind of motorcycle recovery damping force.
Background technology
Known front damper of motorcycle the nonadjustable phenomenon of dumping force occurs through regular meeting in use; like this in the process of using because the variation of bearing load or the difference of the road conditions of travelling; it is bad comformability to occur; when load strengthens or the road conditions of travelling when bad, wish that dumping force becomes big, suppress to subtract the human discomfort that vibration brings that declines; when load reduces or the road conditions of travelling when smooth; excessive dumping force can cause resetting slower, and bradykinesia can not satisfy the needs that travel.At present the adjustable front shock absorber of dumping force is arranged also, but complex structure is adjusted difficulty, the manufacture process requirement height, the cost height is mainly used in high-grade car, racing car or cross-country motorcycle.What known front damper of motorcycle pre-pressure of the spring was adjustable is also few, and with not having that dumping force is adjusted synchronously, if dumping force is adjustable, pre-pressure of the spring can not be adjusted, and it is bad matching to occur, causes road-holding property bad.Front damper of motorcycle is held two hands of setting about handle because the motion traveling comfort is directly delivered to, and very responsive to the uncomfortable property in the motion, therefore, the Performance Match of spring and dumping force is especially important, and the performance of particularly restoring stroke becomes more important under steam.The characteristic of compression stroke mainly is to support and prevent to hit low and adherence properties, and is therefore, very not overcritical to the demand requirement of performance, and the performance impact of restoring stroke arrives the traveling comfort of motion, Performance Match harmony is handled sensitieness, the responsiveness of function such as turns to.
Summary of the invention
The utility model provides a kind of motorcycle recovery damping force adjustable front shock absorber, its recovery resistance can be adjusted synchronously with pre-pressure of the spring, simple in structure, easy to adjust, the adjustment effect is obvious, low cost of manufacture, remarkable to improving motorcycle driving traveling comfort effect, be adapted to various types of motor bikes.
The utility model has adopted following technical scheme: the front shock absorber that a kind of motorcycle recovery damping force is adjustable, it comprises front fork tube, in front fork tube, be provided with spring, piston rod, piston ring on free valve and the piston rod, free valve and piston rod constitute the sealing epitrochoidal chamber in front fork tube, be inserted with adjust bar in the endoporus of described piston rod, one end of adjust bar inserts in the endoporus by the sealing plug screw, on piston rod, be provided with the throttling performance hole that produces recovery damping force, throttling performance hole communicates with the sealing epitrochoidal chamber, an end that stretches into endoporus on adjust bar is with throat bushing, throat bushing rotates along with the rotation of adjust bar, be provided with the cutoff port in some different apertures at the circumferential surface of throat bushing, the rotation adjust bar makes cutoff port dock with throttling performance hole.
The other end of described adjust bar is provided with adjusting knob, and the part outside adjust bar is positioned at piston rod is with setting nut.When needs increase recovery damping force, the rotation adjusting knob, throat bushing is along with adjust bar rotates, the aperture of cutoff port from large to small, the cutoff port of the throat bushing of rotation docks with the throttling performance hole of piston rod, form the recovery damping force that increases gradually, setting nut is also along with rotation, and pre-pressure of the spring increases.When needs reduce recovery damping force, the rotation adjusting knob, throat bushing is along with adjust bar rotates, change from small to big in the aperture of cutoff port, the cutoff port of the throat bushing of rotation docks with the throttling performance hole of piston rod, form the recovery damping force that reduces gradually, setting nut is also along with rotation, and pre-pressure of the spring reduces.Described adjust bar passes the center of sealing plug screw, sealing plug screw location adjust bar, and sealing plug screw end is provided with two ball holes, and ball is provided with steel ball in the hole.
Described throat bushing and piston rod tolerance clearance are little, adjust bar rotates, and the straight pin on the adjust bar embeds throat bushing and drives the throat bushing rotation freely, and the cutoff port on the throat bushing is littler than the cutoff port of piston rod epimere, flow through the hydraulic fluid flow rate of cutoff port by change, realize what recovery damping force changed.
The utlity model has following beneficial effect: the utility model is provided with recovery damping force and pre-pressure of the spring setting device, when front shock absorber restores (elongation), free valve and piston rod upper piston ring constitute the sealing epitrochoidal chamber in front fork tube, along with forced stroke moves, the epitrochoidal chamber oil pressure raises, hydraulic oil is under the osed top environment, flow to the throttling performance hole of piston rod, produce recovery damping force, continue to move, the throttling performance hole of piston rod epimere is blocked by free valve gradually, recovery damping force increases gradually, block fully to reach until the throttling performance hole of piston rod and restore the stroke latter end, constitute and restore the bigger hydraulic cushion dumping force of side, rotate and regulate knob, the adjusting knob rotates, drive the setting nut on the adjust bar, throat bushing is along with rotation, the cutoff port that the regulating sleeve circumference is provided with one group of different aperture docks with the throttling performance hole of piston rod epimere, form the recovery damping force that increases gradually, at this moment, setting nut is also along with rotation, pre-pressure of the spring increases, rotate and regulate knob, setting nut on the adjust bar, throat bushing are along with rotation, and the cutoff port that the throat bushing circumference is provided with one group of different aperture docks with piston rod throttling performance hole, form the recovery damping force that reduces gradually, at this moment, setting nut is also along with rotation, and pre-pressure of the spring reduces, in sum, the utility model can be regulated recovery damping force and pre-pressure of the spring very easily, realize the synchronization regulation of recovery damping force and pre-pressure of the spring, and control apparatus is simple in structure, manufacturing process is simple, productive costs is low, and is remarkable to improving motorcycle driving traveling comfort effect, is adapted to various types of motor bikes.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the scheme drawing of the utility model adjusting knob
Fig. 3 is the enlarged diagram of A among Fig. 1
Fig. 4 restores resistance and pre-pressure of the spring structural representation when reducing for A among Fig. 1 is in
Structural representation when Fig. 5 restores resistance and pre-pressure of the spring increase for A among Fig. 1 is in
The specific embodiment
At Fig. 1, Fig. 2, Fig. 3, among Fig. 4 and Fig. 5, the utility model discloses the adjustable front shock absorber of a kind of motorcycle recovery damping force, it comprises front fork tube 10, in front fork tube 10, be provided with spring, piston rod 7, piston ring 11 on free valve 12 and the piston rod 7, free valve 12 and piston rod 7 constitute the sealing epitrochoidal chamber in front fork tube 10, be inserted with adjust bar 6 in the endoporus of piston rod 7, one end of adjust bar 6 inserts in the endoporus by sealing plug screw 4, on piston rod 7, be provided with the throttling performance hole that produces recovery damping force, throttling performance hole communicates with the sealing epitrochoidal chamber, an end that stretches into endoporus on adjust bar 6 is with throat bushing 8, throat bushing 8 rotates along with the rotation of adjust bar 6, be provided with the cutoff port in some different apertures at the circumferential surface of throat bushing 8, rotation adjust bar 6 makes cutoff port dock with throttling performance hole, the other end of adjust bar 6 is provided with adjusting knob 1, part outside adjust bar 6 is positioned at piston rod 7 is with setting nut 5, be in during the bumper crank motion when restoring stroke, free valve in the front fork tube 10 and the piston ring 11 on the piston rod 7 constitute the sealing epitrochoidal chamber in front fork tube 10, piston ring 11 is the PVC material, along with forced stroke moves, oil pressure in the epitrochoidal chamber raises, hydraulic oil is under enclosed environment, flow to the throttling performance hole of piston rod 7, produce recovery damping force, continue to move, the throttling performance hole of piston rod 7 is blocked by free valve 12 gradually, recovery damping force increases gradually, block fully to reach until the throttling performance hole of piston rod 7 and restore the stroke latter end, constitute and restore the bigger hydraulic cushion dumping force of side.Mint-mark has S on the adjusting knob 1, the H printed words, the SOFT representative is low, the high representative of HARD, rotate to the H direction when regulating knob 1, throat bushing 8 is along with adjust bar 6 rotates, the aperture of cutoff port from large to small, the cutoff port in different apertures docks with the throttling performance hole of piston rod 7 on the throat bushing 8, form the recovery damping force that increases gradually, setting nut 5 is also along with rotation, pre-pressure of the spring increases, rotate to the S direction when regulating knob, throat bushing 8 is along with adjust bar 6 rotates, change from small to big in the aperture of cutoff port, different apertures cutoff port docks with the throttling performance hole of piston rod 7 epimeres on the throat bushing 8 of rotation, form the recovery damping force that reduces gradually, setting nut 5 is also along with rotation, pre-pressure of the spring reduces, and throat bushing 8 is very little with piston rod 7 tolerance clearances, and adjust bar 6 rotates, straight pin 9 on the adjust bar 6 embeds throat bushing 8 and drives throat bushing 8 rotations freely, cutoff port on the throat bushing 8 is littler than the cutoff port of piston rod 7 epimeres, is the hydraulic fluid flow rate that flows through cutoff port by change, realizes what recovery damping force changed, sealing plug screw 4 screws in the front fork tube 10, adjust bar 6 passes sealing plug screw 4 centers, sealing plug screw 4 location adjusts bar 6, and there are two ball holes sealing plug screw 4 ends, be placed with steel ball 2 in the ball hole, adjusting knob 1 rotates, steel ball 2 lifting under the roof pressure of spring, determine with throat bushing 8 on the adjusting progression that adapts of cutoff port.
Hobby according to rider is different with road conditions, the load difference, different in good time recovery damping force is regulated of weather, rotation is regulated knob 1 and is rotated to the H direction, drive the setting nut 5 on the adjust bar 6, throat bushing 8 is along with rotation, regulating sleeve 8 circumference are provided with the cutoff port in one group of different aperture, throttle diameter from large to small, dock with the throttling performance hole of piston rod 7 epimeres in different apertures on the throat bushing 8 of rotation, forms the recovery damping force that increases gradually, at this moment, setting nut 5 is also along with rotation, and pre-pressure of the spring increases
Hobby according to rider is different with road conditions, the load difference, different in good time recovery damping force is regulated of weather, rotating adjusting knob 1 rotates to the S direction, setting nut 5 on the adjust bar 6, throat bushing 8 is along with rotation, throat bushing 8 circumference are provided with the cutoff port in one group of different aperture, throttle diameter changes from small to big, dock with the throttling performance hole of piston rod 7 epimeres in different apertures on the throat bushing 8 of rotation, forms the recovery damping force that reduces gradually, at this moment, setting nut 5 is also along with rotation, and pre-pressure of the spring reduces.
At throat bushing 8 and piston rod 7 internal diameters very little tolerance clearance is arranged, adjust bar 6 rotates, the straight pin 9 that passes adjust bar 6 lower ends embeds throat bushing 8 and drives throat bushing 8 rotations, cutoff port on the throat bushing 8 is littler than the cutoff port of piston rod 7 epimeres, be the hydraulic fluid flow rate that flows through cutoff port by change, realize what recovery damping force changed.Sealing plug screw 4 screws in front fork tube assembly 10, adjust bar 6 passes sealing plug screw 4 centers, sealing plug screw 4 location adjusts bar 7, sealing plug screw 4 ends have two to place the hole of regulating steel ball 2, regulating knob 1 rotates, steel ball 2 lifting under the roof pressure of little spring, determine with throat bushing 8 on the adjusting progression that adapts of cutoff port.
Claims (6)
1, the front shock absorber that a kind of motorcycle recovery damping force is adjustable, it comprises front fork tube (10), in front fork tube (10), be provided with spring, piston rod (7), piston ring (11) on free valve (12) and the piston rod (7), free valve (12) and piston rod (7) constitute the sealing epitrochoidal chamber in front fork tube (10), it is characterized in that being inserted with adjust bar (6) in the endoporus of described piston rod (7), one end of adjust bar (6) inserts in the endoporus by sealing plug screw (4), on piston rod (7), be provided with the throttling performance hole that produces recovery damping force, throttling performance hole communicates with the sealing epitrochoidal chamber, an end that stretches into endoporus on adjust bar (6) is with throat bushing (8), throat bushing (8) rotates along with the rotation of adjust bar (6), be provided with the cutoff port in some different apertures at the circumferential surface of throat bushing (8), rotation adjust bar (6) makes cutoff port dock with throttling performance hole.
2, the adjustable front shock absorber of motorcycle recovery damping force according to claim 1 is characterized in that the other end of described adjust bar (6) is provided with adjusting knob (1), and the part outside adjust bar (6) is positioned at piston rod (7) is with setting nut (5).
3, the adjustable front shock absorber of motorcycle recovery damping force according to claim 2, it is characterized in that when needs increase recovery damping force, rotation adjusting knob (1), throat bushing (8) is along with adjust bar (6) rotates, the aperture of cutoff port from large to small, the cutoff port of the throat bushing of rotation (8) docks with the throttling performance hole of piston rod (7), forms the recovery damping force that increases gradually, setting nut (5) is also along with rotation, and pre-pressure of the spring increases.
4, the adjustable front shock absorber of motorcycle recovery damping force according to claim 2, it is characterized in that described when needs reduce recovery damping force, rotation adjusting knob (1), throat bushing (8) is along with adjust bar (6) rotates, change from small to big in the aperture of cutoff port, the cutoff port of the throat bushing of rotation (8) docks with the throttling performance hole of piston rod (7), forms the recovery damping force that reduces gradually, setting nut (5) is also along with rotation, and pre-pressure of the spring reduces.
5, the adjustable front shock absorber of motorcycle recovery damping force according to claim 1, it is characterized in that described adjust bar (6) passes the center of sealing plug screw (4), sealing plug screw (4) location adjust bar (6), sealing plug screw (4) end is provided with two ball holes, is provided with steel ball (2) in the ball hole.
6, the adjustable front shock absorber of motorcycle recovery damping force according to claim 1, it is characterized in that described throat bushing (8) and piston rod (7) tolerance clearance are little, adjust bar (6) rotates, straight pin (9) on the adjust bar (6) embeds throat bushing (8) and drives throat bushing (8) rotation freely, cutoff port on the throat bushing (8) is littler than the cutoff port of piston rod (7) epimere, flow through the hydraulic fluid flow rate of cutoff port by change, realize what recovery damping force changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200391391U CN201424103Y (en) | 2009-04-30 | 2009-04-30 | Front shock absorber with adjustable motorcycle recovery damping force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200391391U CN201424103Y (en) | 2009-04-30 | 2009-04-30 | Front shock absorber with adjustable motorcycle recovery damping force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201424103Y true CN201424103Y (en) | 2010-03-17 |
Family
ID=42023539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200391391U Expired - Fee Related CN201424103Y (en) | 2009-04-30 | 2009-04-30 | Front shock absorber with adjustable motorcycle recovery damping force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201424103Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104541085A (en) * | 2013-03-27 | 2015-04-22 | 萱场工业株式会社 | Suspension device |
| CN116792446A (en) * | 2023-08-11 | 2023-09-22 | 泉州市博汉机械股份有限公司 | Motorcycle front fork shock absorber |
-
2009
- 2009-04-30 CN CN2009200391391U patent/CN201424103Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104541085A (en) * | 2013-03-27 | 2015-04-22 | 萱场工业株式会社 | Suspension device |
| CN104541085B (en) * | 2013-03-27 | 2016-03-02 | Ｋｙｂ株式会社 | Suspension |
| CN104541085B9 (en) * | 2013-03-27 | 2016-06-29 | Ｋｙｂ株式会社 | Suspension |
| CN116792446A (en) * | 2023-08-11 | 2023-09-22 | 泉州市博汉机械股份有限公司 | Motorcycle front fork shock absorber |
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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 |
Granted publication date: 20100317 Termination date: 20170430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |