CN100372727C - Inversion type front buffer gear in motorcycle - Google Patents
Inversion type front buffer gear in motorcycle Download PDFInfo
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- CN100372727C CN100372727C CNB200510057187XA CN200510057187A CN100372727C CN 100372727 C CN100372727 C CN 100372727C CN B200510057187X A CNB200510057187X A CN B200510057187XA CN 200510057187 A CN200510057187 A CN 200510057187A CN 100372727 C CN100372727 C CN 100372727C
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- damping
- bumper
- inner chamber
- spring
- inversion type
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Abstract
The present invention relates to an inversion type front vibration damping device of a motorcycle, which comprises a first vibration damper and a second vibration damper, wherein each vibration damper is provided with a bottom cylinder (1), an end cover (2), a branch pipe (3) and an outer cylinder (4), wherein one end of the branch pipe (3) is fixed on the bottom cylinder (1); one end of the outer cylinder (4) is fixed on the end cover (2); the outer cylinder (4) is sheathed on the branch pipe (3), forming an inner vibration damping cavity (5) which is provided with a vibration damping mechanism inside. The vibration damping mechanism in the inner vibration damping cavity (5) of the first vibration damper is a vibration damping spring, the vibration damping mechanism in the inner vibration damping cavity (5) of the second vibration damper is a built-in damper which comprises a piston body (17), a connecting rod (27) and a working cylinder (7), and the inner vibration damping cavities (5) are filled with two to five atmospheric pressure gaseous media. The structures of the two vibration dampers in the present invention are both largely simplified and are optimally matched, and the two vibration dampers cooperate with each other, so that damping vacuum can be eliminated, and the weight of the inversion type front vibration damping device of a motorcycle can be lightened, which is useful for the gravity distribution of an entire motorcycle.
Description
Technical field
The present invention relates to vehicle shock-absorbing device, especially a kind of inversion type front buffer gear in motorcycle.
Background technology
As everybody knows, inversion type front buffer gear in motorcycle is the suspension of motorcycle driving system, and it plays the supporting vehicle body, and transmitting tractive power is closely bound up with the safety of vehicle '; Simultaneously it is again the performance part, and the quality of damping effect also can exert an influence to driver and crew's comfort.Existing inversion type front buffer gear in motorcycle mostly adopts left and right sides double damper structure, about the structure of two bumpers identical.
Front damping device is divided into positively fixed type shock absorption device and inversion type shock absorption device again by the installation direction of breeches pipe, a kind of structure of inversion type front buffer gear is provided in the Chinese invention patent of notification number for CN2621963Y, mainly form by piston rod combination, clutch release slave cylinder, bottom valve body, damping spring, breeches pipe, registration arm, urceolus and end tube etc., the piston rod combination is assemblied in the bottom valve body and forms built-in damper in the clutch release slave cylinder, damping spring is positioned at breeches pipe, damping oil is equipped with in two ends in the clutch release slave cylinder between end tube and registration arm.Piston rod is combined in the clutch release slave cylinder and moves up and down during the motor bike operation, and urceolus is also with respect to the breeches pipe up-and-down movement, by the effect realization damping shock absorption of built-in damper and damping spring simultaneously.Its weak point is: when motor bike on rough road during high-speed cruising, the speed that connecting rod drive piston moves in clutch release slave cylinder is also high, when piston goes downwards to nadir and resets fast in clutch release slave cylinder, the damping oil that has flowed out in the clutch release slave cylinder can have little time to reflux clutch release slave cylinder, the damping vacuum phenomenon will appear when piston is descending once more, make built-in damper moment lose dumping force, influence the motor bike ride comfort.In addition since about damping spring and damping oil are all arranged in two bumpers, very heavy, wherein the front-wheel brake gear also will be installed in the lower end of a bumper, thereby has influenced the weight distribution of car load.
Summary of the invention
The purpose of this invention is to provide a kind of inversion type front buffer gear in motorcycle, simplify, make two bumper cooperation work, can eliminate the damping vacuum, and expendable weight, help the weight distribution of car load by the structure of two bumpers being carried out the best.
Inversion type front buffer gear in motorcycle of the present invention comprises first bumper and second bumper, every bumper all has end tube, end cap, breeches pipe and urceolus, one end of breeches pipe is fixed on the end tube, one end of urceolus is fixed on the end cap, urceolus and breeches pipe connect together has damping in the damping inner chamber that forms, and wherein the damping in the damping inner chamber of first bumper is a damping spring; Damping in the damping inner chamber of second bumper is by piston body, connecting rod, the built-in damper that clutch release slave cylinder and bottom valve body are formed, wherein an end of connecting rod is connected on the end cap, the other end stretches in the clutch release slave cylinder and links with piston body, piston body is separated into clutch release slave cylinder, lower chambers, be provided with buffer spring in the upper chamber, the upper end of valve opening is equipped with first valve block and first spring leaf on the described piston body, the upper end of valve opening is equipped with second valve block and second spring leaf on the bottom valve body, all have damping hole on two valve blocks, the sidewall of clutch release slave cylinder is provided with slotted eye makes the valve opening on the bottom valve body communicate with the damping inner chamber, be filled with 2～5 atmospheric gas mediums in the described damping inner chamber, be marked with anti-shock fluid in the clutch release slave cylinder.
In above-mentioned first bumper, damping spring one end leans on positioning seat, the other end is spacing by liner clamp, positioning seat is fixed on end tube inner bottom part, liner clamp is fixed on an end of connecting rod, and the other end of connecting rod is connected on the end cap, and the end of breeches pipe is provided with spacing pad, between spacing pad and the liner clamp cushion rubber is arranged, be provided with piston ring between liner clamp and breeches pipe inwall.
In above-mentioned second bumper, have on the end cap and add pore, be provided with the inner that the sealant head will add pore in the end cap and block, be provided with support spring in the spring cavity that forms between sealant head and the piston rod combination end, end cap is provided with radially that gas port makes above-mentioned spring cavity communicate with the damping inner chamber.
Above-mentioned first bumper is left bumper, and second bumper is right bumper.
In two bumpers of the present invention, wherein the damping in bumper damping inner chamber is a damping spring, promptly compare with the motor bike inversed front shock absorber that provides in the Chinese invention patent of publication number for CN2621963Y, saved the built-in damper that constitutes by piston body, connecting rod, clutch release slave cylinder and bottom valve body, during with another root bumper cooperating, mainly play a part to reset.Damping in another root bumper damping inner chamber is by piston body, connecting rod, the built-in damper that clutch release slave cylinder and bottom valve body constitute, promptly compare with the motor bike inversed front shock absorber that provides in the Chinese invention patent of publication number for CN2621963Y, saved damping spring, and in the damping inner chamber, charge into 2～5 atmospheric gas mediums, when motor bike on rough road during high-speed cruising, the speed that connecting rod drive piston moves in clutch release slave cylinder is also high, when piston goes downwards to nadir and resets fast in clutch release slave cylinder, flowed out damping oil in the clutch release slave cylinder clutch release slave cylinder that can under the compressing of high-pressure gas medium, reflux rapidly, avoid occurring the moment vacuum in the clutch release slave cylinder, thereby avoid the generation of damping vacuum phenomenon.Because the structure of two bumpers is all simplified, and has saved some parts, weight alleviates greatly, thereby helps the distribution of complete vehicle weight.
Remarkable result of the present invention is: the structure of two bumpers is all simplified greatly, and has carried out optimization of matching, and the work of two bumper cooperation can be eliminated the damping vacuum, and expendable weight, helps the weight distribution of car load.
Description of drawings
Fig. 1 is the structural representation of first bumper among the present invention;
Fig. 2 is the structural representation of second bumper among the present invention;
Fig. 3 is the X partial enlarged drawing of Fig. 1;
Fig. 4 is the Y partial enlarged drawing of Fig. 2;
Fig. 5 is the Z partial enlarged drawing of Fig. 2;
Fig. 6 is the W partial enlarged drawing of Fig. 2.
Among the figure: end cylinder 1 end cap 2 breeches pipes 3 urceolus 4 damping inner chambers 5 damping springs 6 working cylinders 7 bottom valve bodies 8 valve opening 8a positioning seats 9 liner clamps 10 connecting rods 11 spacing pad 12 cushion pads 13 piston rings 14 add pore 15 fluid sealant heads 16 piston bodies 17 valve opening 17a spring cavitys 18 support springs 19 radial guiding pores 20 screws 21 pads 22 nuts 23 circlip for holes 24 screws 25 slotted eyes 26 connecting rods 27 upper chamber 28 lower chambers, 29 buffer springs, 30 first valve blocks, 31 first spring leafs, 32 second valve blocks, 33 second spring leafs, 34 damping holes, 35 O shapes and enclose 36 nuts 37
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
As shown in Figure 1 and Figure 2, the present invention is made up of first bumper and second bumper, every bumper all has end tube 1, end cap 2, breeches pipe 3 and urceolus 4, one end of breeches pipe 3 is fixed on the end tube 1, one end of urceolus 4 is fixed on the end cap 2, urceolus 4 and the breeches pipe 3 damping inner chamber that forms that connects together has damping for 5 li, and wherein the damping of 5 li of the first bumper damping inner chambers is a damping spring 6; The damping that the second bumper damping inner chamber is 5 li is to constitute built-in damper by piston body 17, connecting rod 27, clutch release slave cylinder 7 and bottom valve body 8, clutch release slave cylinder is marked with anti-shock fluid for 7 li, the second bumper damping inner chamber is filled with 2～5 atmospheric gas mediums for 5 li, promptly compare with the motor bike inversed front shock absorber that provides in the Chinese invention patent of publication number for CN2621963Y, do not have built-in damper in first bumper, do not have damping spring in second bumper.
In Fig. 1, first bumper shown in Figure 3, damping spring 6 one ends lean on positioning seat 9, the other end is spacing by liner clamp 10, positioning seat 9 is fixed on end tube 1 inner bottom part by screw 21, liner clamp 10 is fixed on an end of connecting rod 11 by two pads 22 and nut 23, the other end thread connection of connecting rod 11 is on end cap 2, the end of breeches pipe 3 is provided with spacing pad 12, between spacing pad 12 and the liner clamp 10 cushion rubber 13 is arranged, work the buffer action that resets, the outside of spacing pad 12 is spacing by circlip for bore 24, is provided with piston ring 14 between liner clamp 10 and breeches pipe 3 inwalls.The damping inner chamber of first bumper is added with a spot of damping oil for 5 li, plays lubricated breeches pipe 3 inwalls.
In Fig. 2, second bumper shown in Figure 4, have on the end cap 2 and add pore 15, being provided with the inner that sealant head 16 will add pore 15 in the end cap 2 blocks, the outer end is by O shape circle 36 and screw 25 sealings, the spring cavity that forms between sealant head 16 and connecting rod 27 ends is provided with support spring 19 for 18 li, end cap 2 is provided with radially, and gas port 20 makes above-mentioned spring cavity 18 communicate with damping inner chamber 5, add air tube and outside end cap 2, axially prick sealant head 16, just can charge into high-pressure gas medium for 5 li to the damping inner chamber by adding pore 15.
At Fig. 2, in the Fig. 5 and second bumper shown in Figure 6, the threaded one end of connecting rod 27 is connected on the end cap 2, the other end stretches in the clutch release slave cylinder 7, and link by nut 37 and piston body 17, piston body 17 is separated into clutch release slave cylinder 7, lower chambers 28 and 29, upper chamber is provided with buffer spring 30 for 28 li, the upper end of valve opening 17a is equipped with first valve block 31 and first spring leaf 32 on the piston body 17, the upper end of valve opening 8a is equipped with second valve block 33 and second spring leaf 34 on the bottom valve body 8, two valve blocks 31, all have damping hole 35 on 33, the sidewall of clutch release slave cylinder 7 is provided with slotted eye 26 makes the valve opening 8a on the bottom valve body 8 communicate with damping inner chamber 5.The aperture of valve opening 17a is greater than the aperture of damping hole 35 on first valve block 31 on the piston body 17, and the aperture of valve opening 8a is greater than the aperture of damping hole 35 on second valve block 33 on the bottom valve body 8.
The upper and lower end of first bumper and first bumper was in linkage status after the present invention was installed on the motor bike.First bumper is left bumper, and second bumper is right bumper, also can allow second bumper be left bumper, and first bumper is right bumper.
In first bumper, damping spring 6 mainly plays a part to reset except that playing the bumper and absorbing shock effect, 13 buffer actions of the cushion rubber between spacing pad 12 and the liner clamp 10.
In second bumper, when connecting rod 27 drive piston bodies 17 are descending in clutch release slave cylinder 7, the anti-shock fluid that piston body 17 compression lower chambers are 29 li, the pressure of anti-shock fluid is opened first valve block 31 at piston body 17 places, and second valve block 33 at bottom valve body 8 places is closed, because the valve opening 17a on the piston body 17 is greater than the damping hole 35 on first valve block 31, valve opening 8a on the bottom valve body 8 is greater than the damping hole 35 on second valve block 33, therefore when the anti-shock fluid of lower chambers 29 flows into upper chamber 28 fast by the valve opening 17a on the piston body 17 through the damping hole 35 on second valve block 33, slotted eye 26 on valve opening 8a on the bottom valve body 8 and clutch release slave cylinder 7 sidewalls slowly flows to damping inner chamber 5, promptly forms compression damping power at bottom valve body 8 places; When piston body 6 resets when up, opposite with said process, form recovery damping force at piston body 17 places, thereby reach the effect of damping shock absorption.
When motor bike is run at high speed on rough road, connecting rod 27 drives piston body 17 quick travel in clutch release slave cylinder 7, because the pressure effect of 5 li high-pressure gas mediums of damping inner chamber, when piston body 17 resets in clutch release slave cylinder 7 when up fast, the anti-shock fluid that flows out clutch release slave cylinder 7 can reflux under the pressure effect of gas medium in the clutch release slave cylinder 7 fast, moment damping vacuum occurs in the clutch release slave cylinder 7 in the time of can avoiding piston body 17 descending once more and lose dumping force, thereby improve damping performance, improve ride comfort.
Claims (6)
1. inversion type front buffer gear in motorcycle, comprise first bumper and second bumper, every bumper all has end tube (1), end cap (2), breeches pipe (3) and urceolus (4), one end of breeches pipe (3) is fixed on the end tube (1), one end of urceolus (4) is fixed on the end cap (2), there is damping urceolus (4) and breeches pipe (3) damping inner chamber (5) lining that forms that connects together, it is characterized in that:
The damping of damping inner chamber (5) lining of A, first bumper is damping spring (6);
B, the damping of damping inner chamber (5) lining of second bumper is by piston body (17), connecting rod (27), the built-in damper that clutch release slave cylinder (7) and bottom valve body (8) are formed, wherein an end of connecting rod (27) is connected on the end cap (2), the other end stretches in the clutch release slave cylinder (7) and links with piston body (17), piston body (17) is separated into clutch release slave cylinder (7), lower chambers (28,29), upper chamber (28) lining is provided with buffer spring (30), the upper end that described piston body (17) is gone up valve opening (17a) is equipped with first valve block (31) and first spring leaf (32), the upper end that bottom valve body (8) is gone up valve opening (8a) is equipped with second valve block (33) and second spring leaf (34), two valve blocks (31,33) all have damping hole (35) on, the sidewall of clutch release slave cylinder (7) is provided with slotted eye (26) makes the valve opening (8a) on the bottom valve body (8) communicate with damping inner chamber (5), described damping inner chamber (5) lining is filled with 2～5 atmospheric gas mediums, and clutch release slave cylinder (7) lining is marked with anti-shock fluid.
2. a kind of inversion type front buffer gear in motorcycle according to claim 1, it is characterized in that: in described first bumper, damping spring (6) one ends lean on positioning seat (9), the other end is spacing by liner clamp (10), positioning seat (9) is fixed on end tube (1) inner bottom part, liner clamp (10) is fixed on an end of connecting rod (11), the other end of connecting rod (11) is connected on the end cap (2), the end of breeches pipe (3) is provided with spacing pad (12), between spacing pad (12) and the liner clamp (10) cushion rubber (13) is arranged, be provided with piston ring (14) between liner clamp (10) and breeches pipe (3) inwall.
3. a kind of inversion type front buffer gear in motorcycle according to claim 1, it is characterized in that: in described second bumper, have on the end cap (2) and add pore (15), being provided with the inner that sealant head (16) will add pore (15) in the end cap (2) blocks, spring cavity (18) lining that forms between sealant head (16) and connecting rod (27) end is provided with support spring (19), and end cap (2) is provided with radially that gas port (20) makes above-mentioned spring cavity (18) communicate with damping inner chamber (5).
4. a kind of inversion type front buffer gear in motorcycle according to claim 1 is characterized in that: be marked with anti-shock fluid in the damping inner chamber (5) of described first bumper.
5. a kind of inversion type front buffer gear in motorcycle according to claim 1, it is characterized in that: the aperture of the aperture of valve opening (8a) greater than the last damping hole (35) of second valve block (33) gone up in the aperture that damping hole (35) is gone up greater than first valve block (31) in the aperture of the last valve opening (17a) of described piston body (17), bottom valve body (8).
6. according to each described a kind of inversion type front buffer gear in motorcycle in the claim 1 to 4, it is characterized in that: described first bumper is left bumper, and second bumper is right bumper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510057187XA CN100372727C (en) | 2005-07-25 | 2005-07-25 | Inversion type front buffer gear in motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510057187XA CN100372727C (en) | 2005-07-25 | 2005-07-25 | Inversion type front buffer gear in motorcycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1727249A CN1727249A (en) | 2006-02-01 |
| CN100372727C true CN100372727C (en) | 2008-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510057187XA Expired - Fee Related CN100372727C (en) | 2005-07-25 | 2005-07-25 | Inversion type front buffer gear in motorcycle |
Country Status (1)
| Country | Link |
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| CN (1) | CN100372727C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746467A (en) * | 2008-12-09 | 2010-06-23 | 江苏明星减震器有限公司 | Inversed front shock absorber combination device |
| CN101780756B (en) * | 2009-09-28 | 2011-11-30 | 丁占鳌 | Inversion-type three-wheeled automobile front suspension |
| CN103523142B (en) * | 2013-11-04 | 2016-08-24 | 四川川南减震器集团有限公司 | A kind of Upside-down motorcycle front shock absorber |
| CN104405823B (en) * | 2014-11-26 | 2016-07-27 | 瑞安市坂特车业部件有限公司 | Front damper of motorcycle |
| CN104728336B (en) * | 2015-04-02 | 2017-03-08 | 重庆弓虽工页机械有限公司 | Inversion type front buffer gear in motorcycle |
| CN105564571B (en) * | 2015-12-14 | 2019-05-21 | 四川川南减震器集团有限公司 | A kind of front damper of motorcycle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4132395A (en) * | 1977-11-17 | 1979-01-02 | Fox Jr Robert C | Shock absorber with improved extension damping |
| CN1066249C (en) * | 1996-06-25 | 2001-05-23 | 王明珠 | Single cylinder aerating bidirectional vibration absorber |
| JP2003172395A (en) * | 2001-12-03 | 2003-06-20 | Showa Corp | Front fork for motorcycle |
| US6739609B2 (en) * | 2001-06-28 | 2004-05-25 | Kayaba Industry Co., Ltd. | Front fork |
| CN2621963Y (en) * | 2003-05-01 | 2004-06-30 | 重庆长安减震器有限公司 | Reverse mounted front damper of internal single drum damper |
| CN2808716Y (en) * | 2005-07-25 | 2006-08-23 | 重庆渝安创新科技(集团)有限公司 | Inversion type front damping device for motorcycle |
-
2005
- 2005-07-25 CN CNB200510057187XA patent/CN100372727C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4132395A (en) * | 1977-11-17 | 1979-01-02 | Fox Jr Robert C | Shock absorber with improved extension damping |
| CN1066249C (en) * | 1996-06-25 | 2001-05-23 | 王明珠 | Single cylinder aerating bidirectional vibration absorber |
| US6739609B2 (en) * | 2001-06-28 | 2004-05-25 | Kayaba Industry Co., Ltd. | Front fork |
| JP2003172395A (en) * | 2001-12-03 | 2003-06-20 | Showa Corp | Front fork for motorcycle |
| CN2621963Y (en) * | 2003-05-01 | 2004-06-30 | 重庆长安减震器有限公司 | Reverse mounted front damper of internal single drum damper |
| CN2808716Y (en) * | 2005-07-25 | 2006-08-23 | 重庆渝安创新科技(集团)有限公司 | Inversion type front damping device for motorcycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1727249A (en) | 2006-02-01 |
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Assignee: Chongqing Yu'an Innovation Technology Co., Ltd. Assignor: Yuan Innovation Tech Co., Ltd. Contract record no.: 2011500000010 Denomination of invention: Inversion type front buffer gear in motorcycle Granted publication date: 20080305 License type: Exclusive License Open date: 20060201 Record date: 20110328 |
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Address after: 400037 No. 61-1 Jinqiao Road, Shapingba District, Chongqing Patentee after: Chongqing Xiaokang Industry Group Co., Ltd. Address before: 400037 No. 61-1 Jinqiao Road, Shapingba District, Chongqing Patentee before: Chongqing Sokon Automobile Group Co., Ltd. |
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