CN204692431U - Reply the inversion type front buffer gear in motorcycle that damping is adjustable - Google Patents
Reply the inversion type front buffer gear in motorcycle that damping is adjustable Download PDFInfo
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- CN204692431U CN204692431U CN201520196926.2U CN201520196926U CN204692431U CN 204692431 U CN204692431 U CN 204692431U CN 201520196926 U CN201520196926 U CN 201520196926U CN 204692431 U CN204692431 U CN 204692431U
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Abstract
The utility model discloses and a kind ofly reply the adjustable inversion type front buffer gear in motorcycle of damping, comprise bitubular cylinder body and breeches pipe combination, bitubular cylinder body comprises outer tube, interior pipe and end cap, breeches pipe combination comprises breeches pipe and foot valve seat assembly, the lower end of breeches pipe is fixed on leftover bits and pieces, the top of breeches pipe is stretched in the exocoel of bitubular cylinder body together with foot valve seat assembly, damping spring and inner pipe joint before being also provided with in breeches pipe, damping spring is set with between foot valve seat assembly and inner pipe joint, inner pipe joint is installed with main piston outward from top to bottom and replys damping steel disc, and locked by main piston locking nut, the upper end of front damping spring is against on main piston locking nut, the lower end of front damping spring is fixed on the damping spring base bottom breeches pipe, the waist of main piston has circular groove, is movably installed with piston ring outside circular groove, and the area that spindle piston blocks downside cinclides determines the size of replying damping.Optimize damping resistance oil pressure channel and reply passage, and adjustable reply damping.
Description
Technical field
The utility model relates to damper of vehicle, particularly shock-damping structure before motorcycle inverted formula.
Background technique
Vehicle, all can at front-wheel and forward mounting position assembling front shock absorber because of various road surfaces demand, offsets vehicle whereby and bears the active force that road surface and bearing material bring, improve the travelling comfort that vehicle is driven.
Traditional reversed front shock absorber, primarily of bitubular cylinder body and breeches pipe combination composition.Bitubular cylinder body is combined by the outer tube be fixed together, interior pipe and end cap usually, and bitubular cylinder body comprises inner chamber and exocoel.Breeches pipe combination usually by breeches pipe, and is connected in the foot valve seat assembly composition of breeches pipe upper end.The lower end of breeches pipe is fixed on leftover bits and pieces, and the top of breeches pipe is stretched in the exocoel of bitubular cylinder body together with after foot valve seat assembly rivet clasp.Damping spring and damping spring base before being also provided with in breeches pipe, by the motion of front damping spring and hydraulic oil, realize the effect of damping.Existing inversion type front buffer gear, structure and oil circuit are comparatively complicated, and number of spare parts is many, damping effect is not ideal enough.
Meanwhile, the reply damping of reversed front shock absorber is determined when designing, and its precompressed damping force can only match with a certain ride characteristic, can not meet the requirement of vehicle multi-operating mode, and its Vehicle handling and travelling comfort still has much room for improvement.
Model utility content
The utility model aims to provide a kind ofly replys the adjustable reversed front shock absorber of damping, and by optimizing oil channel structures, reduces number of spare parts, improves damping effect, improves the travelling comfort driven, meet multi-operating mode driving requirements.
For solving above technical problem, what the utility model provided a kind ofly replys the adjustable inversion type front buffer gear in motorcycle of damping, comprise bitubular cylinder body and breeches pipe combination, described bitubular cylinder body comprises the outer tube (1) be fixed together, interior pipe (2) and end cap (3), described breeches pipe combination comprises breeches pipe (4), and be connected in the foot valve seat assembly (5) of breeches pipe (4) upper end, the lower end of described breeches pipe (4) is fixed on leftover bits and pieces (6), the top of breeches pipe (4) is stretched in the exocoel of bitubular cylinder body together with foot valve seat assembly (5), front damping spring (7) is also installed in described breeches pipe (4), it is characterized in that: the lower end of described interior pipe (2) is connected to inner pipe joint (8), damping spring (9) is set with between foot valve seat assembly (5) and inner pipe joint (8), described inner pipe joint (8) is installed with main piston (10) outward from top to bottom and replys damping steel disc (11), and by main piston locking nut (12) locking, the upper end of described front damping spring (7) is against on main piston locking nut (12), the lower end of front damping spring (7) is fixed on the damping spring base (14) of breeches pipe (4) bottom, the waist of described main piston (10) has circular groove (10a), the outer wall on main piston (10) top has through longitudinal short slot (10b) to circular groove (10a), piston main body (10c) between adjacent longitudinal short slot (10b) has first oilhole (203) of up/down perforation, outside described circular groove (10a), be movably installed with piston ring (13),
In described interior pipe (2), spindle (21) is housed, the upper end of spindle (21) is disposed with spindle base (22) from bottom to top, transition bolt (17) and adjusting bolt (18), described spindle (21) and spindle base (22) are threaded connection, the lower end of transition bolt (17) is against the top of spindle base (22), transition bolt (17) and interior pipe (2) are threaded connection, the lower end of described adjusting bolt (18) is passed in the corresponding short slot (17a) arranged in end cap (3) insertion transition bolt (17) top and also transition bolt (17) can be driven to rotate together, the lower end of described interior pipe (2) is provided with spindle piston (19), described spindle piston (19) block downside cinclides (201) area determine downside cinclides (201) mistake oil mass, between described spindle piston (19) and inner pipe joint (8), spindle Returnning spring (20) is housed, described spindle piston (19) has the second oilhole (204),
When damping device is subject to downward active force and starts to compress front damping spring (7), described piston ring (13) moves upward and is against the top of circular groove (10a) under the promotion of the first oil pocket (101) oil pressure, the a part of fluid being positioned at the first oil pocket (101) enters longitudinal short slot (10b) through the gap between main piston (10) and breeches pipe (4), finally flows into the second oil pocket (102) between foot valve seat assembly (5) and main piston (10); Another part fluid being arranged in the first oil pocket (101) flows into pipe (2) inner chamber and is divided into two-way, wherein a road enters described second oil pocket (102) through the downside cinclides (201) of interior pipe (2), and the upside cinclides (202) of second oilhole (204) of an other road successively on spindle piston (19), interior pipe (2) enters the 3rd oil pocket (103) between foot valve seat assembly (5) and end cap (3);
When current damping spring (7) starts to reply, reply outboard end downsagging thus expose the first oilhole (203) under the promotion of the second oil pocket (102) oil pressure of damping steel disc (11), piston ring (13) moves downward and is against the bottom of circular groove (10a) simultaneously, the a part of fluid being positioned at the second oil pocket (102) gets back to the first oil pocket (101) through the first oilhole (203), till the second oil pocket (102) oil pressure is not enough to promote to reply damping steel disc (11) warpage; Another part fluid being arranged in the second oil pocket (102) gets back to pipe (2) inner chamber through downside cinclides (201), the fluid being arranged in the 3rd oil pocket (103) passes through upside cinclides (202) successively, the second oilhole (204) gets back to pipe (2) inner chamber, flows back to together in the first oil pocket (101) after converging.
Be preferably, described interior pipe (2) middle part fixed cover is equipped with stroke limit plate (16) and crashproof primer (15), and crashproof primer (15) is positioned at the below of stroke limit plate (16).Stroke limit plate is used for carrying out upper limit to foot valve seat assembly, and prevent transition from compressing front damping device, crashproof primer is for cushioning the shock of foot valve seat assembly to stroke limit plate.
Further, described end cap (3) has the vent communicated with bitubular cylinder body exocoel, and blocked by bleeder screw (23).Produce heat in front damping device movement process, make the gas expansion in cavity, pressure increase, when needing pressure release, bleeder screw venting can be opened.
The utility model by arranging main piston, replying damping steel disc and piston ring in front damping device, piston ring and reply the damping steel disc automatic valve as wherein two oil circuits, select to open and close according to the size of oil pressure, thus different oil circuits is formed in compression and Recovery Process, be communicated with the first oil pocket and the second oil pocket.Whole oil circuit is always three oil circuits in compression process, and has just started to be three oil circuits in Recovery Process, is two oil circuits afterwards, optimizes damping resistance oil pressure channel and replys passage; In addition, when car run into jolt serious road surface and carrying capacity increase time, when needing the reply damping of damping before increasing, transition screws is driven by turning adjusting bolt, and promote spindle and spindle piston and move down and the screening area increasing downside cinclides gradually, reply damping also to increase, until when being blocked completely by downside cinclides, reply damping is maximum thereupon.In compression process, the ratio that the mistake oil mass of downside cinclides accounts for the mistake oil mass of whole compression oil circuit is very little, therefore little, negligible on the impact of whole compression damping; And in Recovery Process, the mistake oil mass of downside cinclides accounts for the ratio of the mistake oil mass of whole reply oil circuit very greatly, therefore conclusive effect is played to the adjustment of replying damping.This structure contributes to improving car load passing ability and travelling comfort, has the features such as structure is simple, number of spare parts is few, damping performance is good, and can meet the driving requirements of different road conditions.
Accompanying drawing explanation
Fig. 1 is outline drawing of the present utility model.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the A portion enlarged view of Fig. 2.
Fig. 4 is the B portion enlarged view of Fig. 2.
Fig. 5 is the stereogram of main piston in Fig. 2.
Fig. 6 is one of sectional view of Fig. 5.
Fig. 7 is the sectional view two of Fig. 5.
Fig. 8 is the structural representation of replying damping steel disc in Fig. 2.
Fig. 9 is the oil circuit figure of the utility model compressive state.
Figure 10 is the oil circuit figure of the utility model recoil state.
Figure 11 replys the minimum state of damping.
Figure 12 replys the maximum state of damping.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Shown in composition graphs 1, Fig. 2, a kind ofly reply the adjustable inversion type front buffer gear in motorcycle of damping, combine two-part composition primarily of bitubular cylinder body and breeches pipe.Wherein, bitubular cylinder body to be fixed together formation primarily of outer tube 1, interior pipe 2 and end cap 3, and bitubular cylinder body comprises inner chamber and exocoel, and outer tube 1, interior pipe 2 are threaded connection with end cap 3 respectively, being convenient to installation and removal, end cap 3 being provided with outside thread for being connected with outer tube 1; End cap 3 is provided with internal thread for being connected with interior pipe 2, and passes through nut check.
Breeches pipe combination is primarily of breeches pipe 4, and the foot valve seat assembly 5 being connected in breeches pipe 4 upper end forms.The lower end of breeches pipe 4 is fixed on leftover bits and pieces 6, and the top of breeches pipe 4 is stretched in the exocoel of bitubular cylinder body together with foot valve seat assembly 5, damping spring 7 before being also provided with in breeches pipe 4, and the above is consistent with existing inversion type front buffer gear structure, does not repeat them here.
Difference is: the lower end of interior pipe 2 is connected to inner pipe joint 8, and interior pipe 2 and inner pipe joint 8 are preferably by being threaded.Be set with damping spring 9 between foot valve seat assembly 5 and inner pipe joint 8, inner pipe joint 8 is outer to be installed with main piston 10 from top to bottom and to reply damping steel disc 11, and is locked by main piston locking nut 12.The upper end of front damping spring 7 is against on main piston locking nut 12, and the lower end of front damping spring 7 is fixed on the damping spring base 14 bottom breeches pipe 4; Piston ring 13 is movably installed with outside circular groove 10a.
Preferably, in the middle part of interior pipe 2, fixed cover is equipped with stroke limit plate 16 and crashproof primer 15, and crashproof primer 15 is positioned at the below of stroke limit plate 16, when foot valve seat assembly 5 is up and crashproof primer 15 contacts, namely stops up.
Shown in composition graphs 2, Fig. 3, Fig. 4, in interior pipe 2, spindle 21 is housed, the upper end of spindle 21 is disposed with spindle base 22, transition bolt 17 and adjusting bolt 18 from bottom to top, spindle 21 and spindle base 22 are threaded connection, the lower end of transition bolt 17 is against the top of spindle base 22, transition bolt 17 and interior pipe 2 are threaded connection, and the lower end of adjusting bolt 18 is inserted in the corresponding short slot 17a arranged in transition bolt 17 top through end cap 3 and also transition bolt 17 can be driven to rotate together.The lower end of interior pipe 2 is provided with spindle piston 19, and on the downside of spindle piston 19 blocks, the area of cinclides 201 determines the mistake oil mass of downside cinclides 201.Spindle Returnning spring 20 is housed between spindle piston 19 and inner pipe joint 8, spindle piston 19 has the second oilhole 204.
Shown in composition graphs 5, Fig. 6, Fig. 7, the waist of main piston 10 has circular groove 10a, the outer wall on main piston 10 top has through longitudinal short slot 10b to circular groove 10a, the piston main body 10c between adjacent longitudinal short slot 10b has the first oilhole 203 of up/down perforation.Shown in composition graphs 2, Fig. 3, the top of circular groove 10a is preferably inclined-plane, and bottom is plane, and when piston ring 13 is against the top of circular groove 10a, both are linear contact lay; When piston ring 13 is against the bottom of circular groove 10a, both are face contact.During compression stroke, piston ring 13 is against the top of circular groove 10a, and longitudinal short slot 10b opens, and strengthens asphalt channel area, changes the compression damping in compression stroke; During recovery stroke, piston ring 13 is against the bottom of circular groove 10a, and longitudinal short slot 10b closes.
As shown in Figure 8, reply damping steel disc 11 to be formed by stacking by multiple elastic steel sheet.
Specific works process is as follows:
Composition graphs 2, Fig. 9, as shown by the arrows in Figure 9, when damping device is subject to downward active force and starts to compress front damping spring 7, piston ring 13 moves upward and is against the top of circular groove 10a under the promotion of the first oil pocket 101 oil pressure, enter longitudinal short slot 10b at a part of fluid of the first oil pocket 101 through the gap between main piston 10 and breeches pipe 4, finally flow into the second oil pocket 102 between foot valve seat assembly 5 and main piston 10; Another part fluid being arranged in the first oil pocket 101 flows into pipe 2 inner chamber and is divided into two-way, wherein a road enters the second oil pocket 102 through the downside cinclides 201 of interior pipe 2, and the upside cinclides 202 of second oilhole 204 of an other road successively on spindle piston 19, interior pipe 2 enters the 3rd oil pocket 103 between foot valve seat assembly 5 and end cap 3.
Composition graphs 2, Figure 10, as shown by the arrows in Figure 10, when current damping spring 7 starts to reply, the outboard end of replying damping steel disc 11 downsagging thus expose the first oilhole 203 under the promotion of the second oil pocket 102 oil pressure, piston ring 13 moves downward and is against the bottom of circular groove 10a simultaneously, the a part of fluid being positioned at the second oil pocket 102 gets back to the first oil pocket 101 through the first oilhole 203, till the second oil pocket 102 oil pressure is not enough to promote to reply damping steel disc 11 warpage; Another part fluid being arranged in the second oil pocket 102 gets back to pipe 2 inner chamber through downside cinclides 201, and the fluid being arranged in the 3rd oil pocket 103 gets back to pipe 2 inner chamber through upside cinclides 202, second oilhole 204 successively, flows back to together in the first oil pocket 101 after converging.
Figure 11 shows that and reply the minimum state of damping, now spindle piston 19 is higher than downside cinclides 201, and downside cinclides 201 exposes completely.Figure 12 shows that and reply the maximum state of damping, now downside cinclides 201 covers by spindle piston 19 completely.
Claims (5)
1. reply the adjustable inversion type front buffer gear in motorcycle of damping for one kind, comprise bitubular cylinder body and breeches pipe combination, described bitubular cylinder body comprises the outer tube (1) be fixed together, interior pipe (2) and end cap (3), described breeches pipe combination comprises breeches pipe (4), and be connected in the foot valve seat assembly (5) of breeches pipe (4) upper end, the lower end of described breeches pipe (4) is fixed on leftover bits and pieces (6), the top of breeches pipe (4) is stretched in the exocoel of bitubular cylinder body together with foot valve seat assembly (5), front damping spring (7) is also installed in described breeches pipe (4), it is characterized in that: the lower end of described interior pipe (2) is connected to inner pipe joint (8), damping spring (9) is set with between foot valve seat assembly (5) and inner pipe joint (8), described inner pipe joint (8) is installed with main piston (10) outward from top to bottom and replys damping steel disc (11), and by main piston locking nut (12) locking, the upper end of described front damping spring (7) is against on main piston locking nut (12), the lower end of front damping spring (7) is fixed on the damping spring base (14) of breeches pipe (4) bottom, the waist of described main piston (10) has circular groove (10a), the outer wall on main piston (10) top has through longitudinal short slot (10b) to circular groove (10a), piston main body (10c) between adjacent longitudinal short slot (10b) has first oilhole (203) of up/down perforation, outside described circular groove (10a), be movably installed with piston ring (13),
In described interior pipe (2), spindle (21) is housed, the upper end of spindle (21) is disposed with spindle base (22) from bottom to top, transition bolt (17) and adjusting bolt (18), described spindle (21) and spindle base (22) are threaded connection, the lower end of transition bolt (17) is against the top of spindle base (22), transition bolt (17) and interior pipe (2) are threaded connection, the lower end of described adjusting bolt (18) is passed in the corresponding short slot (17a) arranged in end cap (3) insertion transition bolt (17) top and also transition bolt (17) can be driven to rotate together, the lower end of described interior pipe (2) is provided with spindle piston (19), described spindle piston (19) block downside cinclides (201) area determine downside cinclides (201) mistake oil mass, between described spindle piston (19) and inner pipe joint (8), spindle Returnning spring (20) is housed, described spindle piston (19) has the second oilhole (204),
When damping device is subject to downward active force and starts to compress front damping spring (7), described piston ring (13) moves upward and is against the top of circular groove (10a) under the promotion of the first oil pocket (101) oil pressure, the a part of fluid being positioned at the first oil pocket (101) enters longitudinal short slot (10b) through the gap between main piston (10) and breeches pipe (4), finally flows into the second oil pocket (102) between foot valve seat assembly (5) and main piston (10); Another part fluid being arranged in the first oil pocket (101) flows into pipe (2) inner chamber and is divided into two-way, wherein a road enters described second oil pocket (102) through the downside cinclides (201) of interior pipe (2), and the upside cinclides (202) of second oilhole (204) of an other road successively on spindle piston (19), interior pipe (2) enters the 3rd oil pocket (103) between foot valve seat assembly (5) and end cap (3);
When current damping spring (7) starts to reply, reply outboard end downsagging thus expose the first oilhole (203) under the promotion of the second oil pocket (102) oil pressure of damping steel disc (11), piston ring (13) moves downward and is against the bottom of circular groove (10a) simultaneously, the a part of fluid being positioned at the second oil pocket (102) gets back to the first oil pocket (101) through the first oilhole (203), till the second oil pocket (102) oil pressure is not enough to promote to reply damping steel disc (11) warpage; Another part fluid being arranged in the second oil pocket (102) gets back to pipe (2) inner chamber through downside cinclides (201), the fluid being arranged in the 3rd oil pocket (103) passes through upside cinclides (202) successively, the second oilhole (204) gets back to pipe (2) inner chamber, flows back to together in the first oil pocket (101) after converging.
2. according to the inversion type front buffer gear in motorcycle that reply damping according to claim 1 is adjustable, it is characterized in that: described interior pipe (2) middle part fixed cover is equipped with stroke limit plate (16) and crashproof primer (15), and crashproof primer (15) is positioned at the below of stroke limit plate (16).
3. according to the inversion type front buffer gear in motorcycle that reply damping according to claim 1 is adjustable, it is characterized in that: described outer tube (1), interior pipe (2) are threaded connection with end cap (3) respectively.
4. according to the inversion type front buffer gear in motorcycle that reply damping according to claim 1 is adjustable, it is characterized in that: the top of described circular groove (10a) is inclined-plane, bottom is plane, when piston ring (13) is against the top of circular groove (10a), both are linear contact lay; When piston ring (13) is against the bottom of circular groove (10a), both are face contact.
5. according to the inversion type front buffer gear in motorcycle that reply damping according to claim 1 is adjustable, it is characterized in that: described end cap (3) has the vent communicated with bitubular cylinder body exocoel, and blocked by bleeder screw (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520196926.2U CN204692431U (en) | 2015-04-02 | 2015-04-02 | Reply the inversion type front buffer gear in motorcycle that damping is adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520196926.2U CN204692431U (en) | 2015-04-02 | 2015-04-02 | Reply the inversion type front buffer gear in motorcycle that damping is adjustable |
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| Publication Number | Publication Date |
|---|---|
| CN204692431U true CN204692431U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520196926.2U Expired - Fee Related CN204692431U (en) | 2015-04-02 | 2015-04-02 | Reply the inversion type front buffer gear in motorcycle that damping is adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204692431U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143604A (en) * | 2017-06-29 | 2017-09-08 | 黄永宁 | Damper from main inlet control valve and its staged method of discharge |
| CN107600396A (en) * | 2017-10-23 | 2018-01-19 | 重庆通用航空产业集团有限公司 | A kind of shock absorption buffering mechanism of large-scale fixed-wing unmanned plane |
| CN114962513A (en) * | 2022-06-28 | 2022-08-30 | 中车制动系统有限公司 | Damping adjustable gas-liquid buffer |
-
2015
- 2015-04-02 CN CN201520196926.2U patent/CN204692431U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143604A (en) * | 2017-06-29 | 2017-09-08 | 黄永宁 | Damper from main inlet control valve and its staged method of discharge |
| CN107143604B (en) * | 2017-06-29 | 2023-02-28 | 黄永宁 | Automatic regulating valve of shock absorber and stepped oil discharging method thereof |
| CN107600396A (en) * | 2017-10-23 | 2018-01-19 | 重庆通用航空产业集团有限公司 | A kind of shock absorption buffering mechanism of large-scale fixed-wing unmanned plane |
| CN114962513A (en) * | 2022-06-28 | 2022-08-30 | 中车制动系统有限公司 | Damping adjustable gas-liquid buffer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20180402 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |