CN201896906U - Automatic damping-adjusting front damper for motorcycle - Google Patents

Automatic damping-adjusting front damper for motorcycle Download PDF

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Publication number
CN201896906U
CN201896906U CN2010205750783U CN201020575078U CN201896906U CN 201896906 U CN201896906 U CN 201896906U CN 2010205750783 U CN2010205750783 U CN 2010205750783U CN 201020575078 U CN201020575078 U CN 201020575078U CN 201896906 U CN201896906 U CN 201896906U
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CN
China
Prior art keywords
damping
motorcycle
positioning pipe
front damper
damping spring
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
Application number
CN2010205750783U
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Chinese (zh)
Inventor
徐波
李迪
徐永章
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CHONGQING RUIAO ELECTROMECHANICAL DEVICE Co Ltd
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CHONGQING RUIAO ELECTROMECHANICAL DEVICE Co Ltd
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Priority to CN2010205750783U priority Critical patent/CN201896906U/en
Application granted granted Critical
Publication of CN201896906U publication Critical patent/CN201896906U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

In the prior art, the damping of a motorcycle front damper can not be regulated automatically along with the shaking force suffered by the motorcycle, thus is limited in damping effect.In order to solve the above problem, the utility model provides an automatic damping-adjusting front damper for motorcycles.The positioning pipe of the front damper of the utility model is not equipped with throttling holes and the outer wall of the positioning pipe is axially equipped with one or more throttling channels.The number of the throttling channels is gradually reduced along the axial segments of the positioning pipe and the number of the axial segments of the positioning pipe is greater than or equal to two.The damping of the front damper of the utility model is self-adjusted along with the compressed degree of the damping spring.The higher the compressed degree of the damping spring is, the greater the damping is.The lower the compressed degree of the damping spring is, the smaller the damping is.The motorcycle front damper capable of automatically changing the damping thereof effectively improves the damping effect of motorcycle front dampers, thereby increasing the comfortness and security in the running process of motorcycles.

Description

Automatically become the damping front damper of motorcycle
Technical field
The utility model relates to a kind of motorcycle vibration absorber, specially refers to a kind of automatic change damping front damper of motorcycle.
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 successively, 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 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 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 can only reflux with specific speed, make damping spring to reset immediately, but reset 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 prior art front damper of motorcycle hydraulic damping chamber is fixed, and both 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 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 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 utility model proposes motorcycle vibration absorber before a kind of automatic change damping.The utility model becomes the damping front damper of motorcycle automatically and comprises: the lower piston of end tube, breeches pipe assembly, damping spring, positioning pipe, one-way valve, oil through and breeches pipe assembly, throttle orifice is not set on positioning pipe, and one or more than one throttling grooves axially are set at the positioning pipe outer wall, wherein, the quantity of throttling groove reduces from more to less gradually along the axial segmentation of positioning pipe, and, be more than two sections or two sections along the quantity of the axial segmentation of positioning pipe.
Further, to become the shape of cross section that the damping motorcycle vibration absorber is arranged on the throttling groove that the axial sectional area of positioning pipe outer wall diminishes gradually automatically be semicircle, triangle or trapezoidal to the utility model.
The useful technique effect that the utility model becomes the damping motorcycle vibration absorber automatically is that 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.The utility model becomes the damping that the damping motorcycle vibration 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 cross-sectional schematic of prior art front damper of motorcycle;
Accompanying drawing 2 is cross-sectional schematic that the utility model becomes the damping motorcycle vibration absorber automatically;
Accompanying drawing 3 is A-A sectional views of accompanying drawing 2, also is the schematic representation that the utility model becomes the throttle orifice that the damping motorcycle vibration absorber is made up of throttling groove and lower piston automatically;
Accompanying drawing 4 is that the utility model becomes damping motorcycle vibration absorber throttling groove quantity is respectively 1,2,3 along the axial segmentation of positioning pipe cross-sectional schematic automatically;
Accompanying drawing 5 is that the utility model becomes damping motorcycle vibration absorber throttling groove cross section automatically and is leg-of-mutton schematic representation;
Accompanying drawing 6 is that the utility model becomes damping motorcycle vibration absorber throttling groove cross section automatically into falling trapezoidal schematic representation.
Below in conjunction with the drawings and specific embodiments the utility model being become the damping motorcycle vibration absorber automatically is further described.
Embodiment
Accompanying drawing 1 is the cross-sectional schematic of prior art front damper of motorcycle, among the figure, and the 1st, end tube, the 2nd, breeches pipe assembly, the 3rd, damping spring, the 4th, positioning pipe, the 5th, one-way valve, the 6th, throttle orifice, the 7th, oil through, the 8th, the lower piston of breeches pipe assembly.As seen from the figure, the prior art front damper of motorcycle comprises: end tube 1, breeches pipe assembly 2, damping spring 3, positioning pipe 4, one-way valve 5, throttle orifice 6, through hole 7 and lower piston 8 etc. zero, parts.The center portion of breeches pipe assembly and positioning pipe all has been full of hydraulic oil during fabrication, and flow into the bottom of one-way valve 5 by oil through 7.Its basic functional principle is: in the motorcycle driving process, if when running into the ground of projection, motorcycle front-wheel compressing damping spring 3 shrinks, behind the ground of crossing projection, damping spring 3 resets again, and is reciprocal successively, the vibration energy that absorption and consumption Uneven road bring.Usually, damping spring 3 has bigger compression strength, after damping spring 3 is compressed, can not allow it freely reset, otherwise resetting suddenly causing the secondary vibrations of damping spring 3 can cause bigger vibrations on the contrary.For slowing down the reset speed of damping spring 3, in the front damper of motorcycle of prior art, be provided with damping mechanism, described damping mechanism generally includes breeches pipe assembly 2, positioning pipe 4, one-way valve 5, throttle orifice 6, through hole 7 and lower piston 8 etc. zero, parts.When the 3 compressed whiles of damping spring of front damper of motorcycle, breeches pipe assembly 2 drive lower pistons 8 and one-way valve 5 are together with respect to positioning pipe 4 downward axial motions.One-way valve 5 is opened, and hydraulic oil flows to and is full of the hydraulic damping chamber.Described hydraulic damping chamber is the cavity of breeches pipe assembly 2 bottoms and positioning pipe 4 compositions.When damping spring resets, breeches pipe assembly 2 will drive lower piston 8 and one-way valve 5 together with respect to positioning pipe 4 upwards axial motions, one-way valve 5 is closed, hydraulic oil in the hydraulic damping chamber can only reflux from throttle orifice 6, makes damping spring 3 to reset immediately but resets gradually along with the backflow gradually of hydraulic oil in the hydraulic damping chamber.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.Obviously, the pore size of throttle orifice 6 has determined the back-flow velocity of hydraulic oil, the size that is positioned at the throttle orifice 6 on the positioning pipe is just to determine during fabrication, the back-flow velocity that also is hydraulic oil is fixed, no matter damping spring is subjected to great pressure, what have been compressed, and the reset speed of damping spring is all fixed.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 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.
Accompanying drawing 2 is cross-sectional schematic that the utility model becomes the damping motorcycle vibration absorber automatically, among the figure, and 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 axial throttling groove of positioning pipe outer wall.As seen from the figure, the utility model becomes the damping motorcycle vibration absorber automatically and compares with the prior art front damper of motorcycle, comprise equally: the lower piston of end tube, breeches pipe assembly, damping spring, positioning pipe, one-way valve, oil through and breeches pipe assembly, throttle orifice 6 just is set on the outer wall of positioning pipe 4, but axially is provided with throttling groove 9 at the positioning pipe outer wall.Need to prove that the described axial throttling groove of positioning pipe outer wall 9 that is arranged on has cut one at the axial upper edge of positioning pipe outer wall axis in fact exactly, therefore, presents a groove on the outer wall of positioning pipe.
Accompanying drawing 3 is A-A sectional views of accompanying drawing 2, also be the schematic representation that the utility model becomes the throttle orifice that the damping motorcycle vibration 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 axial throttling groove of positioning pipe outer wall.As seen from the figure, in fact the utility model throttle orifice of becoming the damping motorcycle vibration absorber automatically is made up of the lower piston 8 of throttling groove 9 and breeches pipe assembly.As previously mentioned, to become the quantity of the throttling groove of damping motorcycle vibration absorber automatically be axially gradually changing from more to less along positioning pipe to the utility model.Accompanying drawing 4 is that the utility model becomes damping motorcycle vibration absorber throttling groove quantity automatically and is respectively 1,2,3 facing and cross-sectional schematic along the axial segmentation of positioning pipe.As seen from the figure, the throttling groove of positioning pipe is divided into three sections along axis, and wherein, the C section has 3 throttling grooves, and the B section has 2 throttling grooves, and A has 1 throttling groove, promptly in the C section 3 throttle orifices is arranged, and the B section has 2 throttle orifices, and the A section has 1 throttle orifice.Obviously, when breeches pipe assembly 2 was in different positions, the back-flow velocity of hydraulic oil was inequality in the hydraulic damping chamber, and the reset speed of damping spring also is inequality.When the compressed degree of damping spring bigger, when breeches pipe assembly 2 drive lower pistons 8 move to the A section of positioning pipe 4, the throttle orifice of being made up of throttling groove 9 and breeches pipe assembly lower piston 8 has only 1, 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; When the compressed degree of damping spring less, when breeches pipe assembly 2 will drive lower piston 8 and move to the B fragment position of positioning pipe 4, the throttle orifice of being made up of throttling groove 9 and breeches pipe assembly lower piston 8 has 2, when damping spring resets, the back-flow velocity of hydraulic oil is fast a little in the hydraulic damping chamber, also be that damping force is less relatively, damping spring resets comparatively faster; When the compressed degree of damping spring less, when breeches pipe assembly 2 will drive lower piston 8 and move to the C fragment position of positioning pipe 4, the throttle orifice of being made up of throttling groove 9 and breeches pipe assembly lower piston 8 has 3, when damping spring resets, the back-flow velocity of hydraulic oil is faster in the hydraulic damping chamber, also be that damping force is less, damping spring will reset faster.
Obviously, be arranged on the size of sectional area of the axial throttling groove of positioning pipe outer wall and the back-flow velocity that quantity is determining hydraulic oil in the hydraulic damping chamber, under the fixing situation of throttling groove sectional area, the quantity of throttling groove is many more, and back-flow velocity is big more.And the section that throttling groove quantity is different is got thin more, and then the variation of back-flow velocity is also slow more.But, for reaching the technique effect that the utility model becomes the damping motorcycle vibration absorber automatically, can be during the axial throttling groove of design or processing positioning pipe outer wall at the positioning pipe outer wall one or more than one throttling grooves axially are set, wherein, the quantity of throttling groove reduces from more to less gradually along the axial segmentation of positioning pipe, and, be more than two sections or two sections along the quantity of the axial segmentation of positioning pipe.
Further, the shape of cross section that is arranged on the axial throttling groove of positioning pipe outer wall 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, triangle, fall trapezoidal and square etc. all can.Accompanying drawing 3,5,6 is respectively that the utility model becomes damping motorcycle vibration absorber throttling groove cross section automatically and is semicircle, triangle and trapezoidal embodiment's the schematic representation of falling.
Obviously, the damping force that the utility model becomes the damping motorcycle vibration 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.The utility model becomes the damping that the damping motorcycle vibration absorber has effectively improved front damper of motorcycle automatically, has improved the travelling comfort and the Security of motorcycle driving.

Claims (2)

1. one kind becomes the damping front damper of motorcycle 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, at the positioning pipe outer wall one or more than one throttling grooves are set axially, wherein, the quantity of throttling groove reduces from more to less gradually along the axial segmentation of positioning pipe, and, be more than two sections or two sections along the quantity of the axial segmentation of positioning pipe.
2. according to the described automatic change damping front damper of motorcycle of claim 1, it is characterized in that: the shape of cross section that is arranged on the throttling groove that the axial sectional area of positioning pipe outer wall diminishes gradually is semicircle, triangle or trapezoidal.
CN2010205750783U 2010-10-25 2010-10-25 Automatic damping-adjusting front damper for motorcycle Expired - Fee Related CN201896906U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205750783U CN201896906U (en) 2010-10-25 2010-10-25 Automatic damping-adjusting front damper for motorcycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205750783U CN201896906U (en) 2010-10-25 2010-10-25 Automatic damping-adjusting front damper for motorcycle

Publications (1)

Publication Number Publication Date
CN201896906U true CN201896906U (en) 2011-07-13

Family

ID=44254813

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205750783U Expired - Fee Related CN201896906U (en) 2010-10-25 2010-10-25 Automatic damping-adjusting front damper for motorcycle

Country Status (1)

Country Link
CN (1) CN201896906U (en)

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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: 20110713

Termination date: 20141025

EXPY Termination of patent right or utility model