CN101982670A - Automatic variable damping front shock absorber of motorcycle and manufacture method thereof - Google Patents
Automatic variable damping front shock absorber of motorcycle and manufacture method thereof Download PDFInfo
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- CN101982670A CN101982670A CN 201010518089 CN201010518089A CN101982670A CN 101982670 A CN101982670 A CN 101982670A CN 201010518089 CN201010518089 CN 201010518089 CN 201010518089 A CN201010518089 A CN 201010518089A CN 101982670 A CN101982670 A CN 101982670A
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- shock absorber
- damping
- front shock
- positioning pipe
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Abstract
In order to solve the problems that the damping force of the front shock absorber of the motorcycle in the prior art can not automatically regulate along with vibration force received by the motorcycle, shock absorption effect is limited, and the like, the invention provides an automatic variable damping front shock absorber of a motorcycle and a manufacture method thereof. The automatic variable damping front shock absorber of a motorcycle of the invention is not provided with orifices on a locating tube, and the outer wall of the locating tube is axially provided with a throttling groove of which the cross section area is gradually reduced. The automatic variable damping front shock absorber of a motorcycle of the invention has the beneficial technical effects that the damping force of the shock absorber can be automatically regulated along with the vibration degree of a shock absorber spring, the bigger the vibration degree is, the bigger the damping force is, and vice versa; and the damping force changes continuously. The automatic variable damping front shock absorber of the motorcycle of the invention effectively improves the damping effect of the front shock absorber of the motorcycle and improves the driving comfort and safety of the motorcycle.
Description
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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 front shock absorber and preparation method thereof automatically.
Background technique
Along with motorcycle technology development, the travelling comfort that motorcycle is driven, the requirement of Security are more and more higher.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 prior art 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 prior art front damper of motorcycle is: in the motorcycle driving process, if when running into the ground of projection, motorcycle front-wheel compressing damping spring shrinks, behind the ground of crossing projection, 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 allow it freely reset, otherwise resetting suddenly of damping spring will cause the secondary vibrations.For slowing down the reset speed of damping spring, be provided with damping mechanism in the front damper of motorcycle of prior art.In the compressed while of the damping spring of front damper of motorcycle, also be injected into hydraulic oil in the hydraulic damping chamber, when damping spring resets, hydraulic oil in the hydraulic damping chamber refluxes with specific speed, make damping spring to reset immediately, but reset along with the backflow of hydraulic oil in the hydraulic damping chamber.The effect of this decay spring vibration of vibration damper is commonly called damping, and and slows down the strength that damping spring resets and be called as damping force.
The back-flow velocity of the hydraulic oil in the prior art front damper of motorcycle hydraulic damping chamber is fixed, and promptly no matter damping spring is subjected to 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 described 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 ever-changing, and the compressed degree of damping spring also has nothing in common with each other.In the compressed degree of damping spring hour, should allow 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 allow damping spring reset to avoid causing the secondary vibrations with slower speed.Obviously, the prior art front damper of motorcycle can not satisfy above-mentioned requirements, and the damping force of vibration damper can not be regulated automatically with the jarring forces that motorcycle is subjected to, 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 is subjected to for solving the damping force that the prior art front damper of motorcycle exists, problem such as damping effect is limited, the present invention proposes a kind of motorcycle and becomes damping front shock absorber and preparation method thereof automatically.Motorcycle of the present invention becomes the damping front shock absorber automatically throttle orifice is not set on positioning pipe, at the positioning pipe outer wall throttling groove that cross-section area diminishes gradually is set axially.
Further, motorcycle of the present invention becomes the damping front shock absorber automatically and is arranged on throttling groove that the axial cross-section area of positioning pipe outer wall diminishes gradually and is one or one or more.
Further, to become the shape of cross section that the damping front shock absorber is arranged on the throttling groove that the axial cross-section area of positioning pipe outer wall diminishes gradually automatically be semicircle, triangle or trapezoidal to motorcycle of the present invention.
It is axially to process the throttling groove that cross-section area diminishes gradually at the positioning pipe outer wall that motorcycle of the present invention becomes damping front shock absorber making method automatically, throttle orifice is not set on positioning pipe, and, the quantity of throttling groove is one or one or more, and the shape of cross section of throttling groove is semicircle, triangle or trapezoidal.
The useful technique effect that motorcycle of the present invention becomes the damping front shock absorber automatically is: the damping force of vibration damper can be regulated automatically along with the compressed degree of damping spring, 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 front shock absorber has effectively improved front damper 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 prior art front damper of motorcycle;
Accompanying drawing 2 is generalized sections that motorcycle of the present invention becomes the damping front 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 front shock absorber is made up of throttling groove and lower piston automatically;
Accompanying drawing 4 is that motorcycle of the present invention becomes the front elevational schematic that the damping front shock absorber has the positioning pipe of two throttling grooves automatically;
Accompanying drawing 5 is that motorcycle of the present invention becomes the schematic top plan view that the damping front shock absorber has the positioning pipe of two throttling grooves automatically;
Accompanying drawing 6 is that motorcycle of the present invention becomes damping front 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 front shock absorber throttling groove cross section automatically into falling trapezoidal schematic representation.
Below in conjunction with the drawings and specific embodiments motorcycle of the present invention being become damping front shock absorber and preparation method thereof automatically is further described.
Embodiment
Accompanying drawing 2 is generalized sections that motorcycle of the present invention becomes the damping front shock absorber automatically, among the figure, the 1st, end tube, the 2nd, breeches pipe assembly, the 3rd, damping spring, the 4th, positioning pipe, the 5th, one-way valve, the 7th, oil through, the 8th, the lower piston of breeches pipe assembly, 9 are arranged on the throttling groove that the axial cross-section area of positioning pipe outer wall diminishes gradually.As seen from the figure, motorcycle of the present invention becomes the damping front shock absorber automatically to be compared with the prior art front damper of motorcycle, and throttle orifice 6 is not set on the outer wall of positioning pipe 4, but axially is provided with the throttling groove 9 that cross-section area diminishes gradually at the positioning pipe outer wall.Need to prove, describedly be arranged on the throttling groove 9 that the axial cross-section area of positioning pipe outer wall diminishes gradually and cut one at the axial upper edge of positioning pipe outer wall axis in fact exactly, and, the degree of depth that cuts shoals from top to bottom gradually, therefore, from seeing that axially it is cut cross-section area and diminishes gradually.
Accompanying drawing 3 is A-A sectional views of accompanying drawing 2, it also is the schematic representation that motorcycle of the present invention becomes the throttle orifice that the damping front shock absorber is made up of throttling groove and lower piston automatically, among the figure, 4 is positioning pipe, 8 is the lower piston of breeches pipe assembly, and 9 are arranged on the throttling groove that the axial cross-section area of positioning pipe outer wall diminishes gradually.As seen from the figure, motorcycle of the present invention becomes the throttle orifice of damping front shock absorber automatically and in fact is made up of the lower piston 8 of throttling groove 9 and breeches pipe assembly, along with the cross-section area of throttling groove 9 diminishes from top to bottom gradually, the size of throttle orifice also diminishes from top to bottom gradually, and the size that motorcycle promptly of the present invention becomes the throttle orifice of damping front shock absorber automatically is axially gradually changing along positioning pipe.When the compressed degree of damping spring bigger, when breeches pipe assembly 2 drive lower pistons 8 move to the lower position of positioning pipe 4, less by the throttle orifice that throttling groove 9 and breeches pipe assembly lower piston 8 are formed, when damping spring resets, the back-flow velocity of hydraulic oil is less in the hydraulic damping chamber, also be that damping force is bigger, damping spring will reset slowly.Otherwise, when the compressed degree of damping spring less, when breeches pipe assembly 2 will drive lower piston 8 and move to positioning pipe 4 tops, the throttle orifice of being made up of throttling groove 9 and breeches pipe assembly lower piston 8 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 breeches pipe assembly lower piston 8 from moving to the top of throttling groove 9 because trembling of may causing of the unexpected sealing of throttle orifice (becoming flow suddenly from peak rate of flow is zero) or shake, be provided with excessive section that the throttling groove cross-section area diminishes gradually on the top of throttling groove 9 cross-section area biggest places, 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 axial throttling groove of positioning pipe outer wall 9 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 positioning pipe outer wall 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 positioning pipe outer wall, also can select to be provided with the throttling groove of one or more.Accompanying drawing 4,5 be respectively motorcycle of the present invention become automatically the damping front shock absorber have two throttling grooves positioning pipe embodiment face generalized section and schematic top plan view.
Further, the shape of cross section that is arranged on the axial throttling groove of positioning pipe can be diversified, as long as can form throttle orifice with the lower piston of breeches pipe assembly, certainly also to consider easy to process and installation capability, common semicircle (as shown in Figure 3), triangle, fall trapezoidal and square etc. all can.Accompanying drawing 6,7 is respectively that motorcycle of the present invention becomes damping front shock absorber throttling groove cross section automatically and is triangle or trapezoidal embodiment's the schematic representation of falling.
Making motorcycle of the present invention becomes the damping front shock absorber automatically and does not need to increase special equipment, the common machine working machine tool, all can as milling machine, grinding machine and spark erosion plant, its basic making method is axially to process the throttling groove that cross-section area diminishes gradually at the positioning pipe outer wall, throttle orifice is not set on positioning pipe, and the quantity of throttling groove is one or one or more, and the shape of cross section of throttling groove is semicircle, triangle or trapezoidal.
The damping force that motorcycle of the present invention becomes the damping front shock absorber automatically can change automatically along with the compressed degree of damping spring, 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 front shock absorber has effectively improved front damper of motorcycle automatically, has improved the travelling comfort and the Security of motorcycle driving.
Claims (4)
1. a motorcycle becomes the damping front shock absorber automatically, comprise: the lower piston of end tube, breeches pipe assembly, damping spring, positioning pipe, one-way valve, oil through and breeches pipe assembly, it is characterized in that: throttle orifice is not set on positioning pipe, and the throttling groove that cross-section area diminishes gradually axially is set at the positioning pipe outer wall.
2. become the damping front shock absorber automatically according to the described motorcycle of claim 1, it is characterized in that: be arranged on throttling groove that the axial cross-section area of positioning pipe outer wall diminishes gradually and be one or one or more.
3. become the damping front shock absorber automatically according to the described 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 positioning pipe outer wall diminishes gradually is semicircle, triangle or trapezoidal.
4. a motorcycle becomes damping front shock absorber making method automatically, it is characterized in that: axially process the throttling groove that cross-section area diminishes gradually at the positioning pipe outer wall, throttle orifice is not set on positioning pipe, and, the quantity of throttling groove is one or one or more, and the shape of cross section of throttling groove is semicircle, triangle or trapezoidal.
Priority Applications (1)
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CN 201010518089 CN101982670A (en) | 2010-10-25 | 2010-10-25 | Automatic variable damping front shock absorber of motorcycle and manufacture method thereof |
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CN 201010518089 CN101982670A (en) | 2010-10-25 | 2010-10-25 | Automatic variable damping front shock absorber of motorcycle and manufacture method thereof |
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CN 201010518089 Pending CN101982670A (en) | 2010-10-25 | 2010-10-25 | Automatic variable damping front shock absorber of motorcycle and manufacture method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102384211A (en) * | 2011-10-31 | 2012-03-21 | 重庆瑞翱机电设备有限公司 | Automatically damping-changing front shock absorber of motorcycle |
CN103486190A (en) * | 2013-10-11 | 2014-01-01 | 重庆瑞翱机电设备有限公司 | Automatic variable damping front shock absorber of motorcycle capable of vibrating along with ups and downs of road surface |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2336134Y (en) * | 1998-03-04 | 1999-09-01 | 徐铭 | Hydraulic buffer |
CN201258937Y (en) * | 2008-08-13 | 2009-06-17 | 浙江三本车业有限公司 | Damper for motor vehicle |
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 201010518089 patent/CN101982670A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2336134Y (en) * | 1998-03-04 | 1999-09-01 | 徐铭 | Hydraulic buffer |
CN201258937Y (en) * | 2008-08-13 | 2009-06-17 | 浙江三本车业有限公司 | Damper for motor vehicle |
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 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102384211A (en) * | 2011-10-31 | 2012-03-21 | 重庆瑞翱机电设备有限公司 | Automatically damping-changing front shock absorber of motorcycle |
CN103486190A (en) * | 2013-10-11 | 2014-01-01 | 重庆瑞翱机电设备有限公司 | Automatic variable damping front shock absorber of motorcycle capable of vibrating along with ups and downs of road surface |
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Application publication date: 20110302 |