CN101975240B - Automatic variable damping rear shock absorber of motorcycle and manufacturing method thereof - Google Patents
Automatic variable damping rear shock absorber of motorcycle and manufacturing method thereof Download PDFInfo
- Publication number
- CN101975240B CN101975240B CN 201010518051 CN201010518051A CN101975240B CN 101975240 B CN101975240 B CN 101975240B CN 201010518051 CN201010518051 CN 201010518051 CN 201010518051 A CN201010518051 A CN 201010518051A CN 101975240 B CN101975240 B CN 101975240B
- Authority
- CN
- China
- Prior art keywords
- motorcycle
- damping
- shock absorber
- rear shock
- throttling groove
- 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
Links
Images
Landscapes
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The invention discloses an automatic variable damping rear shock absorber of motorcycle and a manufacturing method thereof, which aim to solve the problems of limited shock absorption effect, and the like caused by the fact that the damping force existing in the rear shock absorber of motorcycle in the prior art can not be adjusted by the vibration force suffered by the motorcycle. The invention is characterized in that pistons in a piston group are not provided with throttling orifices, but the inner wall of an inner cylinder is axially provided with a throttling groove with decreasing cross sectional area. The invention has the advantages: the damping force of the rear shock absorber of invention can automatically be adjusted by the compression degree of a damping spring, if the compression degree is greater, the damping force is greater, otherwise, the damping force is smaller and changed continuously. The invention can effectively improve the damping effect of the rear shock absorber of motorcycle, and enhance the driving comfortableness and safety of the motorcycle.
Description
Technical field
The present invention relates to a kind of motorcycle vibration absorber and preparation method thereof, specially refer to a kind of motorcycle and become damping rear shock absorber and preparation method thereof automatically.
Background technique
Along with motorcycle technology development, requiring of the travelling comfort that motorcycle is driven, Security is increasingly high.At present, most of motorcycles have all disposed forward and backward vibration damper, to reduce vibrations that Uneven road the causes influence to motorcycle and driver and passenger.The mode that the vibration damper of existing technology motorcycle mostly adopts spring to combine with hydraulic damping, the vibration energy in absorption and the consumption motorcycle driving process is to reduce the influence of vibrations to motorcycle and driver and passenger.The basic functional principle of existing technology rear shock absorber of motorcycle is: in the motorcycle driving process; If when running into protruding ground; Motor cycle rear wheel compressing damping spring shrinks, and after crossing protruding ground, spring resets again; The vibration energy reciprocal according to this, that absorption and consumption Uneven road bring.Usually, damping spring has bigger compression strength, after damping spring is compressed, can not let it freely reset, otherwise resetting suddenly causing the secondary vibrations of damping spring can cause bigger vibrations on the contrary.For slowing down the reset speed of damping spring, be provided with damping mechanism in the rear shock absorber of motorcycle of existing technology.In the compressed while of the damping spring of rear shock absorber of motorcycle; Also be injected into hydraulic oil in the hydraulic damping chamber; When damping spring resets; Hydraulic oil in the hydraulic damping chamber can only reflux with specific speed, makes damping spring to reset immediately, but resets gradually along with the backflow gradually of hydraulic oil in the hydraulic damping chamber.This effect of slowing down the damping spring reset speed of vibration damper is commonly called damping, is called as damping force and slow down the strength that damping spring resets.
The back-flow velocity of the hydraulic oil in the existing technology rear shock absorber of motorcycle hydraulic damping chamber is fixed, and both no matter damping spring receives great pressure, what has been compressed, and the reset speed of damping spring is all fixed.Need to prove that the back-flow velocity of said hydraulic oil is not meant the speed that hydraulic oil flows, and is meant that hydraulic oil flows back to the speed of oil cylinder from the hydraulic damping chamber.And the jarring forces that motorcycle is run in the actual travel process is Protean, and the compressed degree of damping spring also has nothing in common with each other.In the compressed degree of damping spring hour, should let damping spring reset to recover the situation of smooth-ride as early as possible with fast speeds; When the compressed degree of damping spring is big, should let damping spring reset to avoid causing the secondary vibrations with slower speed.Obviously, the existing technology rear shock absorber of motorcycle can not satisfy above-mentioned requirements, and the damping force of vibration damper can not be regulated with the jarring forces that motorcycle receives automatically, and its damping effect is limited, directly has influence on travelling comfort and Security that motorcycle is driven.
Summary of the invention
Can not regulate automatically with the jarring forces that motorcycle receives for solving the damping force that the existing technology rear shock absorber of motorcycle exists, problem such as damping effect is limited, the present invention proposes a kind of motorcycle and becomes damping rear shock absorber and preparation method thereof automatically.Motorcycle of the present invention becomes the damping rear shock absorber automatically throttle orifice is not set on the piston of piston assembly, and at the inner core inwall throttling groove that cross-section area diminishes gradually is set axially.
Further, motorcycle of the present invention becomes the damping rear shock absorber automatically and is arranged on throttling groove that the axial cross-section area of inner core inwall diminishes gradually into one or more than one.
Further, to become the shape of cross section that the damping rear shock absorber is arranged on the throttling groove that the axial cross-section area of inner core inwall diminishes gradually automatically be semicircle, triangle or trapezoidal to motorcycle of the present invention.
The making method that motorcycle of the present invention becomes the damping rear shock absorber automatically is axially to process the throttling groove that cross-section area diminishes gradually at the inner core inwall; Throttle orifice is not set on the piston of piston assembly; And; The quantity of throttling groove is one or more than one, and the shape of cross section of throttling groove be semicircle, triangle or trapezoidal.
The useful technique effect that motorcycle of the present invention becomes the damping rear shock absorber automatically is that the damping force of vibration damper can be regulated along with the compressed degree of damping spring automatically, and compression degree is big more, and damping force is also just big more; Otherwise, then more little, and be continuous variation.Motorcycle of the present invention becomes the damping that the damping rear shock absorber has effectively improved rear shock absorber of motorcycle automatically, has improved the travelling comfort and the Security of motorcycle driving.
Description of drawings
Accompanying drawing 1 is the generalized section of existing technology rear shock absorber of motorcycle;
Accompanying drawing 2 is generalized sections that motorcycle of the present invention becomes the damping rear shock absorber automatically;
Accompanying drawing 3 is A-A sectional views of accompanying drawing 2, also is the schematic representation that motorcycle of the present invention becomes the throttle orifice that the damping rear shock absorber is made up of throttling groove and piston automatically;
Accompanying drawing 4 is that motorcycle of the present invention becomes the cross-sectional schematic that the damping rear shock absorber has two throttling grooves automatically;
Accompanying drawing 5 is that motorcycle of the present invention becomes the cross-sectional schematic that the damping rear shock absorber has three joint joint chutes automatically;
Accompanying drawing 6 is that motorcycle of the present invention becomes damping rear shock absorber throttling groove cross section automatically and is leg-of-mutton schematic representation;
Accompanying drawing 7 is that motorcycle of the present invention becomes damping rear shock absorber throttling groove cross section automatically into falling trapezoidal schematic representation.
Below in conjunction with accompanying drawing and embodiment motorcycle of the present invention being become damping rear shock absorber and preparation method thereof automatically is further described.
Embodiment
Accompanying drawing 1 is an existing technology rear shock absorber of motorcycle generalized section, and among the figure, 1 is piston assembly, and 2 is inner core, and 3 is one-way valve, and 4 is throttle orifice, and 5 is through flow hole, and 7 is piston.Can know that by figure the damper of existing technology rear shock absorber of motorcycle comprises: piston assembly 1, inner core 2, one-way valve 3, throttle orifice 4, through flow hole 5 and piston 7 etc. zero, parts.Be full of hydraulic oil in the right part cavity of inner core during fabrication, and the cavity that is full of hydraulic oil is also referred to as oil cylinder.Its basic functional principle is: in the motorcycle driving process; If when running into protruding ground, motor cycle rear wheel compressing damping spring (damping spring of the rear shock absorber of motorcycle is the outside that is sleeved on damper, and accompanying drawing 1 does not show) shrinks; After crossing protruding ground; Damping spring resets again, and is reciprocal according to this, the vibration energy that absorption and consumption Uneven road bring.Usually, damping spring has bigger compression strength, after damping spring is compressed, can not let it freely reset, otherwise resetting suddenly causing the secondary vibrations of damping spring can cause bigger vibrations on the contrary.For slowing down the reset speed of damping spring, in the rear shock absorber of motorcycle of existing technology, be provided with damper, said damper is mainly through hydraulic damping.When the compressed while of the damping spring of rear shock absorber of motorcycle, piston assembly 1 drive piston 7 and one-way valve 3 are together with respect to inner core 2 axial motion to the right.One-way valve 3 is opened, and hydraulic oil flows to and is full of the hydraulic damping chamber through through flow hole 5.Said hydraulic damping chamber is the left part of inner core 2 and the cavity that piston assembly 1 is formed.When damping spring resets; Piston assembly 1 will drive piston 7 and one-way valve 3 together with respect to inner core 2 axial motion left; One-way valve 3 is closed; Hydraulic oil in the hydraulic damping chamber can only make damping spring to reset immediately, but reset gradually along with the backflow gradually of hydraulic oil in the hydraulic damping chamber from throttle orifice 4 backflow oil cylinders.Obviously; The pore size of throttle orifice 4 has determined the back-flow velocity of hydraulic oil; The size that is positioned at the throttle orifice 4 on the piston 7 is just to confirm during fabrication, also is that the back-flow velocity of hydraulic oil is fixed, no matter damping spring receives great pressure; What have been compressed, and the reset speed of damping spring is all fixed.Need to prove that the back-flow velocity of said hydraulic oil is not meant the speed that hydraulic oil flows, and is meant that hydraulic oil flows back to the speed of oil cylinder from the hydraulic damping chamber.And the jarring forces that motorcycle is run in the actual travel process is Protean, and the compressed degree of damping spring also has nothing in common with each other.In the compressed degree of damping spring hour, should let damping spring reset to recover the situation of smooth-ride as early as possible with fast speeds; When the compressed degree of damping spring is big, should let damping spring reset to avoid causing the secondary vibrations with slower speed.Obviously, the existing technology rear shock absorber of motorcycle can not satisfy above-mentioned requirements, and the damping force of vibration damper can not be regulated with the jarring forces that motorcycle receives automatically, and its damping effect is limited, directly has influence on travelling comfort and Security that motorcycle is driven.
Accompanying drawing 2 is that motorcycle of the present invention becomes damping rear shock absorber generalized section automatically, and among the figure, 1 is piston assembly, and 2 is inner core, and 3 is one-way valve, and 5 is through flow hole, and 6 is throttling groove, and 7 is piston.Can know that by figure motorcycle of the present invention becomes the damping rear shock absorber automatically to be compared with the existing technology rear shock absorber of motorcycle, throttle orifice 4 is not set on piston 7, but the throttling groove 6 that cross-section area diminishes gradually axially is set at the inner core inwall.It is said that be arranged on the throttling groove 6 that the axial cross-section area of inner core inwall diminishes gradually in fact be exactly that axis has cut one in the axial upper edge of the inwall of inner core 2; And; The degree of depth that cuts is shoaled by left-to-right gradually, therefore, diminishes gradually from axially seeing its cross-section area that is cut.
Accompanying drawing 3 is A-A sectional views of accompanying drawing 2, also is the schematic representation that motorcycle of the present invention becomes the throttle orifice that the damping rear shock absorber is made up of throttling groove and piston automatically, and among the figure, 2 is inner core, and 5 is through flow hole, and 6 is throttling groove, and 7 is piston.Can know by figure; Motorcycle of the present invention becomes the throttle orifice of damping rear shock absorber automatically and in fact is made up of throttling groove 6 and piston 7; Along with the cross-section area of throttling groove 6 is diminished by left-to-right gradually; The size of throttle orifice is also diminished by left-to-right gradually, and the size that motorcycle promptly of the present invention becomes the throttle orifice of damping rear shock absorber automatically is axially gradually changing along inner core 2.When the compressed degree of damping spring bigger; When piston assembly 1 drive piston 7 moves to the right part position of inner core 2; Throttle orifice by throttling groove 6 and piston 7 are formed is less, and when damping spring resetted, the back-flow velocity of hydraulic oil was less in the hydraulic damping chamber; Also be that damping force is bigger, damping spring will reset slowly.Otherwise; Less when the compressed degree of damping spring, piston assembly 1 will drive a when middle part left side that piston 7 moves to inner core 2, and the throttle orifice of being made up of throttling groove 6 and piston 7 is bigger; When damping spring resets; The back-flow velocity of hydraulic oil is bigger in the hydraulic damping chamber, also is that damping force is less, and damping spring will reset faster.When preventing that piston assembly 1 from driving piston 7 and move to the termination of inner core 2 left parts because trembling of possibly causing of the unexpected sealing of throttle orifice (becoming flow suddenly from peak rate of flow is zero) or shake; The left side at the cross-section area biggest place of throttling groove 6 is provided with excessive section that the throttling groove cross-section area diminishes gradually; Avoided issuable and trembled or shake, guaranteed the smooth-ride of motorcycle.The process that diminishes gradually owing to the cross-section area that is arranged on the throttling groove 6 of the axial inwall of inner core is continuous, and therefore, the size variation of throttle orifice also is continuous, and the variation of damping force also will be continuous.
Further; Back-flow velocity according to hydraulic oil in the size of the cross-section area that is arranged on the throttling groove that the axial cross-section area of inner core inwall diminishes gradually and the required hydraulic damping chamber; Can select to be provided with a throttling groove during the axial throttling groove of design or processing inner core inwall, also can select to be provided with the throttling groove more than.Accompanying drawing 4,5 is respectively that motorcycle of the present invention becomes embodiment's cross-sectional schematic that the damping rear shock absorber has two and three throttling grooves automatically.
Further; The shape of cross section that is arranged on the axial throttling groove of inner core inwall can be diversified; As long as can form throttle orifice with piston; Certainly also to consider easy to process and installation capability, common semicircle (like accompanying drawing 3,4, shown in 5), triangle, fall trapezoidal etc. all can.Accompanying drawing 6,7 is respectively that motorcycle of the present invention becomes damping rear shock absorber throttling groove cross section automatically and is triangle and trapezoidal embodiment's the cross-sectional schematic of falling.
Making motorcycle of the present invention becomes the damping rear shock absorber automatically and need not increase special equipment; Common slotting machine or spark erosion plant etc. all can; Its basic production method be the inner core inwall axially process the throttling groove that cross-section area diminishes gradually, throttle orifice is not set on the piston of piston assembly, and; The quantity of throttling groove is one or more than one, and the shape of cross section of throttling groove be semicircle, triangle or trapezoidal.
The damping force that motorcycle of the present invention becomes the damping rear shock absorber automatically can change along with the compressed degree of damping spring automatically, and compression degree is big more, and damping force is also just big more; Otherwise, then more little; And be to change continuously.Motorcycle of the present invention becomes the damping that the damping rear shock absorber has effectively improved rear shock absorber of motorcycle automatically, has improved the travelling comfort and the Security of motorcycle driving.
Claims (4)
1. a motorcycle becomes the damping rear shock absorber automatically, comprising: piston assembly, inner core, one-way valve, through flow hole and piston is characterized in that: throttle orifice is not set on piston, at the inner core inwall throttling groove that cross-section area diminishes gradually is set axially.
2. become the damping rear shock absorber automatically according to the said motorcycle of claim 1, it is characterized in that: be arranged on throttling groove that the axial cross-section area of inner core inwall diminishes gradually and be one or more than one.
3. become the damping rear shock absorber automatically according to the said motorcycle of claim 1, it is characterized in that: the shape of cross section that is arranged on the throttling groove that the axial cross-section area of inner core inwall diminishes gradually is semicircle, triangle or trapezoidal.
4. a motorcycle becomes damping rear shock absorber production method automatically; It is characterized in that: axially process the throttling groove that cross-section area diminishes gradually at the inner core inwall; Throttle orifice is not set on piston; And the quantity of throttling groove is one or more than one, and the shape of cross section of throttling groove be semicircle, triangle or trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010518051 CN101975240B (en) | 2010-10-25 | 2010-10-25 | Automatic variable damping rear shock absorber of motorcycle and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010518051 CN101975240B (en) | 2010-10-25 | 2010-10-25 | Automatic variable damping rear shock absorber of motorcycle and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101975240A CN101975240A (en) | 2011-02-16 |
| CN101975240B true CN101975240B (en) | 2012-12-26 |
Family
ID=43575145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010518051 Expired - Fee Related CN101975240B (en) | 2010-10-25 | 2010-10-25 | Automatic variable damping rear shock absorber of motorcycle and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101975240B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352907B (en) * | 2011-10-31 | 2012-12-26 | 重庆瑞翱机电设备有限公司 | Motorcycle automatic damping-variable rear shock absorber |
| CN103486187A (en) * | 2013-10-11 | 2014-01-01 | 重庆瑞翱机电设备有限公司 | Automatic variable damping rear shock absorber of motorcycle capable of vibrating along with ups and downs of road surface |
| CN113357303B (en) * | 2021-07-14 | 2022-09-23 | 浙江嘉派仕汽车配件有限公司 | Connecting rod type air bag shock absorber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2336134Y (en) * | 1998-03-04 | 1999-09-01 | 徐铭 | Hydraulic buffer |
| JP3431095B2 (en) * | 1994-03-04 | 2003-07-28 | 株式会社ショーワ | Front fork for mountain bike |
| CN2604371Y (en) * | 2003-03-24 | 2004-02-25 | 胡建普 | Press-storing shock damper for motorcycle |
| CN201258937Y (en) * | 2008-08-13 | 2009-06-17 | 浙江三本车业有限公司 | Damper for motor vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201818699U (en) * | 2010-10-25 | 2011-05-04 | 重庆瑞翱机电设备有限公司 | Motorcycle automatic damping-changing rear shock absorber |
-
2010
- 2010-10-25 CN CN 201010518051 patent/CN101975240B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3431095B2 (en) * | 1994-03-04 | 2003-07-28 | 株式会社ショーワ | Front fork for mountain bike |
| CN2336134Y (en) * | 1998-03-04 | 1999-09-01 | 徐铭 | Hydraulic buffer |
| CN2604371Y (en) * | 2003-03-24 | 2004-02-25 | 胡建普 | Press-storing shock damper for motorcycle |
| CN201258937Y (en) * | 2008-08-13 | 2009-06-17 | 浙江三本车业有限公司 | Damper for motor vehicle |
Non-Patent Citations (1)
| Title |
|---|
| JP特许第3431095号B2 2003.07.28 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101975240A (en) | 2011-02-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201843931U (en) | Motorcycle front shock absorber with automatically changing damping resistance | |
| CN101555923B (en) | Shock absorber piston assembly and self-adjusting damping shock absorber comprising same | |
| CN101975240B (en) | Automatic variable damping rear shock absorber of motorcycle and manufacturing method thereof | |
| CN103573749B (en) | buffer hydraulic cylinder | |
| CN201818699U (en) | Motorcycle automatic damping-changing rear shock absorber | |
| CN201973163U (en) | Damper with function of damping force automatic change for shock absorber | |
| CN101956781A (en) | Damp self-regulating front damper of motorcycle and manufacturing method thereof | |
| CN201818698U (en) | Damper for automotive shock absorber | |
| CN201973159U (en) | Automatic damping variation shock absorber | |
| CN201973162U (en) | Damper capable of automatically changing damping force | |
| CN102352907B (en) | Motorcycle automatic damping-variable rear shock absorber | |
| CN201258937Y (en) | Damper for motor vehicle | |
| CN101982670A (en) | Automatic variable damping front shock absorber of motorcycle and manufacture method thereof | |
| CN2839689Y (en) | Hydraulic plunger oil cylinder damping device | |
| CN201818700U (en) | Motorcycle front damper capable of automatically changing damping | |
| CN201896906U (en) | Automatic damping-adjusting front damper for motorcycle | |
| CN102384211B (en) | Automatically damping-changing front shock absorber of motorcycle | |
| CN103629188B (en) | Buffer device for actuator drum | |
| CN101070888B (en) | Structure-improved automobile shock absorber | |
| CN102352908A (en) | Motorcycle automatic damping-changing front shock absorber damper | |
| CN201068949Y (en) | Structure modified automobile anti-vibration device | |
| CN209743462U (en) | hydraulic vibration reduction piston with adjustable damping and hydraulic vibration reducer | |
| CN103883662B (en) | Hydraulic vibration absorber | |
| CN106286681A (en) | A kind of amortisseur of suit guiding valve damping adjusting | |
| CN218935122U (en) | Hydraulic buffer mechanism of shock absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20131025 |