CN216895521U

CN216895521U - High-strength shock-absorbing suspension for motorcycle

Info

Publication number: CN216895521U
Application number: CN202220231175.3U
Authority: CN
Inventors: 颜林兵; 叶康杰; 陈家彬
Original assignee: Taizhou Hongyi Frame Co ltd
Current assignee: Taizhou Hongyi Frame Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-07-05
Anticipated expiration: 2032-01-25

Abstract

The application relates to a high-strength damping motorcycle suspension, which comprises a damper and a supporting spring. The shock absorber comprises a shaft cylinder, a piston rod and an adjusting mechanism; the piston is coaxially and slidably embedded into the shaft barrel, the piston comprises a first piston plate and a second piston plate which are coaxially connected in a rotating mode, the first piston plate is provided with a through hole, the second piston plate is provided with a plurality of adjusting holes with different inner diameters, the plurality of adjusting holes are arranged along the circumferential interval of the second piston plate, and the adjusting mechanism is used for driving the second piston plate to rotate so that the through hole is communicated with the specific adjusting holes. The user is through rotating the driving piece, adjusts the regulation hole and the through-hole intercommunication in different apertures, and then adjusts the cross sectional area of fluid passageway, realizes becoming damping function, adapts to the demand of different road conditions, absorbs the vibrations that uneven ground brought for the automobile body, lets whole process of riding become more comfortable.

Description

High-strength shock-absorbing motorcycle suspension

Technical Field

The application relates to the field of motorcycle suspension systems, in particular to a high-strength damping motorcycle suspension.

Background

In the process of driving the motorcycle, the vibration of the motorcycle body is unbalanced due to insufficient shock absorption when the motorcycle runs on a bumpy road surface, so that the motorcycle can not run stably, and the adverse effect is caused on the aspect of control of a rider.

At present, the conventional motorcycles on the market mostly adopt a spring type suspension system, the spring type suspension comprises a shock absorber and a spring, and the shock is absorbed through the elastic deformation of the spring and the damping of the shock absorber.

The damping of the shock absorber is set and fixed when leaving the factory, and the shock absorption requirements of different road conditions cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to adapt to the shock attenuation demand of different road conditions, this application provides a high strength shock attenuation motorcycle suspension.

The application provides a high strength shock attenuation motorcycle suspension adopts following technical scheme:

a high-strength damping motorcycle suspension comprises a shock absorber, wherein the shock absorber comprises a shaft cylinder, a piston rod and an adjusting mechanism; the coaxial slip of piston inlays to the beam barrel in, the one end of piston rod stretches into in the beam barrel and is connected with the piston, the beam barrel is stretched out to the other end of piston rod, the piston includes first piston board and the second piston board that coaxial rotation is connected, first piston board is equipped with the through-hole, the second piston board is equipped with the regulation hole of a plurality of different internal diameters, and is a plurality of the circumference interval setting of second piston board is followed to the regulation hole, adjustment mechanism is used for ordering about first piston board or second piston board and rotates to make through-hole and specific regulation hole intercommunication.

Through adopting above-mentioned technical scheme, the bumper shock absorber during operation, is full of fluid in the shaft barrel, and the piston rod reciprocates in the shaft barrel along with reciprocating of wheel to drive piston reciprocating motion in the shaft barrel, this in-process, locate the hole on the piston and form fluid passageway, with the flow that hinders the fluid that lies in the piston both sides in the shaft barrel, and then form the damping.

Among this technical scheme, the user can be according to actual road conditions in order to make through-hole and specific regulation hole intercommunication through adjustment mechanism, and then adjusts the cross sectional area of fluid passageway, realizes becoming damping function, and the absorption wheel that can be better meets jolting vibrations that the concave-convex road surface arouses.

Preferably, the shaft barrel comprises a barrel body, a first end cover and a second end cover, and the adjusting mechanism comprises a connecting spring and a driving piece; the connecting spring is located the stack shell, first piston board or second piston board is connected to connecting spring's one end, driving piece coaxial rotation connects in first end cover, just the driving piece is connected in connecting spring's the other end.

By adopting the technical scheme, a user adjusts the communication between the adjusting holes with different apertures and the through holes by rotating the driving piece, so that the section area of the oil liquid channel is adjusted, the variable damping function is realized, the vibration brought to a vehicle body by the uneven ground is absorbed, and the riding becomes more comfortable; meanwhile, the contact between the tire and the ground is kept, and the power output from the tire to the ground is ensured.

Preferably, first end cover is equipped with well in the middle of the hole, well in the middle of the hole is equipped with the screw thread, driving piece threaded connection is downthehole in the middle of, the driving piece stretches out from well in the middle of, the outer periphery cover of driving piece is equipped with the oil seal ring, the inner periphery and the sealing of hole in the middle of the outer periphery laminating of oil seal ring.

By adopting the technical scheme, the driving piece is in threaded connection with the first end cover, and an oil seal ring is arranged between the driving piece and the first end cover; on one hand, the sealing between the driving piece and the end cover is improved, and the oil is prevented from overflowing; on the other hand, the friction between the driving piece and the end cover is increased, and friction looseness prevention can be achieved.

Preferably, the driving piece is provided with a pointer, the pointer corresponds to the through hole, the surface of the first end cover is provided with a plurality of marks, and the marks correspond to the adjusting holes one to one.

Through adopting above-mentioned technical scheme, mark and regulation hole one-to-one, and the pointer corresponds to the through-hole, and convenience of customers learns the current state of bumper shock absorber through the mode of visualing to the user is through rotating the driving piece so that through-hole and specific regulation hole intercommunication.

Preferably, the surface that first end cover deviates from the stack shell is equipped with the holding ring, the holding ring is equipped with a plurality of draw-in grooves, the driving piece is equipped with the gag lever post, the gag lever post has elasticity, the gag lever post is used for inlaying to the draw-in groove in.

Through adopting above-mentioned technical scheme, the gag lever post inlays to the draw-in groove in, at the in-process of traveling, effectively prevents to lead to the driving piece to deflect because of the vibrations transmission of vehicle to the driving piece to make through-hole and specific regulation hole intercommunication based on user's demand, operation.

Preferably, the outer diameter of the connecting spring is equal to the inner diameter of the shaft cylinder.

Through adopting above-mentioned technical scheme, the external diameter of connecting spring equals the internal diameter of a section of thick bamboo can be great limit guarantee connecting spring's form stability, reduces connecting spring and takes the possibility that this kind of measure connecting spring takes place unexpected deformation, and takes the biggest volume that this kind of measure connecting spring reaches the stack shell and can bear, effectively conducts the power of driving piece to second piston plate, guarantees transmission effect.

Preferably, the periphery of first piston plate and the periphery of second piston plate all are equipped with first sealing washer, the periphery of first sealing washer slides the interior circumference and the sliding seal of laminating axle cylinder, first piston plate is equipped with the second sealing washer towards the terminal surface of second piston plate, the second sealing washer is coaxial with the through-hole, just the second sealing washer slides and laminates in first sealing washer and sliding seal.

By adopting the technical scheme, the first sealing ring and the second sealing ring act together to ensure that the damping liquid correctly passes through the through hole and the selected adjusting hole according to the planning design, so that the required damping target is obtained.

Preferably, the inner diameter of the through hole is larger than the inner diameters of all the adjusting holes.

By adopting the technical scheme, the maximum aperture of the adjusting hole on the second piston plate determines the minimum damping of the shock absorber, and the minimum aperture of the adjusting hole on the second piston plate determines the maximum damping of the shock absorber.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the adjusting structure can effectively adjust the section area of the oil duct and realize variable damping;

2. the stability of the sealing effect of the system during working is improved under the combined action of a plurality of sealing structures;

3. the variable damping function can better absorb jolting and vibration of wheels, and effectively improve the damping strength of a suspension system.

Drawings

Fig. 1 is a schematic view of the overall structure of a high-strength shock-absorbing motorcycle suspension according to an embodiment of the present application.

Fig. 2 is a structural sectional view of a high-strength shock-absorbing motorcycle suspension according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a piston according to an embodiment of the present application.

FIG. 4 is a cross-sectional view of a piston according to an embodiment of the present application.

Fig. 5 is a schematic structural diagram of an adjusting mechanism according to an embodiment of the present application.

Fig. 6 is an enlarged view of a portion of the structure at a in fig. 5.

Description of reference numerals: 1. a shock absorber; 2. a shaft cylinder; 21. a barrel body; 22. a first end cap; 23. a limiting plate; 24. a connecting ring; 3. a first end cap; 31. a middle hole; 32. an oil seal ring; 33. marking; 34. a positioning ring; 341. a card slot; 35. limiting and screwing a cover; 4. a piston; 41. a first piston plate; 411. a through hole; 42. a second piston plate; 421. an adjustment hole; 43. a first seal ring; 44. a second seal ring; 45. a pin shaft; 46. a clamp spring; 47. a groove; 48. caulking grooves; 5. a piston rod; 51. positioning a plate; 6. an adjustment mechanism; 61. a connecting spring; 62. a drive member; 621. a pointer; 622. a limiting rod; 7. supporting the spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

Referring to fig. 1, the embodiment of the application discloses a high-strength damping motorcycle suspension, which comprises a damper 1 and a supporting spring 7.

Referring to fig. 1 and 2, a shock absorber 1 includes a shaft cylinder 2, a piston 4, a piston rod 5, and an adjustment mechanism 6. The shaft tube 2 comprises a tube body 21, a first end cover 3 and a second end cover 22, wherein the first end cover 3 and the second end cover 22 are respectively connected to two ends of the tube body 21 and realize sealing. The cylinder body 21 is filled with damping fluid, and the piston 4 is coaxially and slidably embedded in the shaft cylinder 2. One end of the piston rod 5 extends into the shaft cylinder 2 and is connected with the piston 4, the other end of the piston rod 5 extends out of the shaft cylinder 2 after penetrating through the second end cap 22, and the piston rod 5 and the second end cap 22 are connected in a sliding mode and are sealed.

Referring to fig. 3 and 4, the piston 4 includes a first piston plate 41 and a second piston plate 42 which are coaxially and rotatably connected, one end of the first piston plate 41 is coaxially and fixedly connected with a pin 45, and the second piston plate 42 is coaxially and rotatably sleeved on the pin 45. The periphery of the pin shaft 45 is further provided with a clamp spring 46, and the clamp spring 46 abuts against the end face of the second piston plate 42, which faces away from the first piston plate 41. And if necessary, a sealing sleeve may be provided around the pin 45 to ensure sealing between the pin 45 and the second piston plate 42.

Referring to fig. 3 and 4, the first piston plate 41 is provided with a single through hole 411, the second piston plate 42 is provided with four adjustment holes 421 having different inner diameters, and the four adjustment holes 421 are provided at intervals in the circumferential direction of the second piston plate 42. Meanwhile, the inner diameters of the four regulation holes 421 are not larger than the inner diameter of the through hole 411, so that the maximum aperture of the regulation hole 421 in the second piston plate 42 determines the minimum damping of the shock absorber 1, and the minimum aperture of the regulation hole 421 in the second piston plate 42 determines the maximum damping of the shock absorber 1.

Before the shock absorber 1 works, the adjusting mechanism 6 is used for driving the first piston plate 41 and the second piston plate 42 to rotate relatively, so that the adjusting hole 421 selected by a user rotates to be opposite to the through hole 411, the cross-sectional area of an oil passage formed by the through hole 411 and the adjusting hole 421 is changed, and variable damping of the shock absorber 1 is realized.

Referring to fig. 2 and 4, the outer periphery of the first piston plate 41 and the outer periphery of the second piston plate 42 are both provided with a groove 47, the outer periphery of the first piston plate 41 and the outer periphery of the second piston plate 42 are both sleeved with a first seal ring 43, and the first seal ring 43 is embedded in the groove 47. The outer periphery of the first seal ring 43 is slidably fitted to the inner periphery of the shaft tube 2 and is sealed.

The end surface of the first piston plate 41 facing away from the piston rod 5 (i.e. the end surface facing the second piston plate 42) is provided with a second sealing ring 44, the surface of the first piston plate 41 facing away from the piston rod 5 is provided with an embedding groove 48, and the embedding groove 48 is annular and is coaxially arranged in the through hole 411. The second seal ring 44 is fitted into the groove 48, and the second seal ring 44 slidably fits to the second piston plate 42 and achieves a sliding seal. The first sealing ring 43 and the second sealing ring 44 are matched to improve the sealing performance, so that damping liquid passes through along a correct oil passage, and a preset variable damping effect is achieved.

Referring to fig. 2, the first piston plate 41 is coaxially fixedly connected to the piston rod 5. The adjustment mechanism 6 is used to drive the second piston plate 42 to rotate so that the user selected adjustment hole 421 rotates to face the through hole 411. The adjusting mechanism 6 includes a connecting spring 61 and a driving member 62; the connecting spring 61 is located in the barrel 21, the outer diameter of the connecting spring 61 is equal to the inner diameter of the shaft barrel 2, one end of the connecting spring 61 is fixedly connected (welded or bonded) to the second piston plate 42, the driving member 62 is coaxially and rotatably connected to the first end cap 3, and meanwhile, the driving member 62 is fixedly connected (welded or bonded) to the other end of the connecting spring 61.

Referring to fig. 2 and 5, the first end cap 3 is coaxially provided with a middle hole 31, the inner circumference of the middle hole 31 is provided with threads, the driving member 62 is threadedly connected in the middle hole 31, and the driving member 62 extends out of the middle hole 31, and the side of the first end cap 3 close to the piston rod 5 is provided with an oil seal ring 32, and the oil seal ring 32 is sleeved on the outer circumference of the driving member 62 and sealed.

Referring to fig. 2 and 6, the end of the driving member 62 extending out of the shaft cylinder 2 is provided with a pointer 621. The pointer 621 corresponds to the through hole 411; i.e., in the axial direction of the shaft cylinder 2, the projection of the pointer 621 coincides with the projection of the through hole 411. The surface of the first end cover 3 is provided with four marks 33 for marking the size of the adjusting hole 421, the marks 33 correspond to the adjusting holes 421 one by one along the axial direction of the shaft cylinder 2, and the projection of the marks 33 coincides with the projection of the adjusting holes 421 along the axial direction of the shaft cylinder 2. Meanwhile, in order to ensure that the through hole 411 correctly corresponds to the selected adjusting hole 421, the first end cap 3 is coaxially provided with a positioning ring 34, four clamping grooves 341 are formed in the inner periphery of the positioning ring 34, the driving member 62 is further provided with a limiting rod 622, the limiting rod 622 is elastic, and the limiting rod 622 is used for being embedded into the clamping grooves 341. In this embodiment, the pointer 621 and the limiting rod 622 are integrated, and the slot 341 can be used as the mark 33.

Referring to fig. 2, the first end cap 3 is provided with a limit cap 35, the outer periphery of the first end cap 3 is provided with threads, the inner periphery of the limit cap 35 is provided with threads corresponding to the threads on the outer periphery of the first end cap 3, and the limit cap 35 is used for abutting against one end of the driving member 62 extending out of the shaft cylinder 2.

Referring to fig. 1 and 2, a limit plate 23 is disposed on the outer periphery of the shaft tube 2, and a positioning plate 51 is disposed coaxially on the outer periphery of the piston rod 5. The supporting spring 7 is coaxially sleeved outside the shock absorber 1, and the supporting spring 7 is located between the positioning plate 51 and the limiting plate 23. The end of the piston rod 5 and the outer periphery of the shaft barrel 2 are provided with a connecting ring 24 for articulation with the frame.

Referring to fig. 2, the shock absorber 1 of the present embodiment performs various degrees of intervention in the process of returning the supporting spring 7 by changing the design of the inner orifice.

The implementation principle of the high-strength damping motorcycle suspension in the embodiment of the application is as follows: the piston 4 is provided with a through hole 411 and an adjusting hole 421, the combination is used as an oil passage, when the sectional area of the oil passage changes, the generated damping force also changes, and a user uses the adjusting mechanism 6 to rotate the selected adjusting hole 421 to just face the through hole 411 through a connecting spring 61 and a driving piece 62, so that the sectional area of the oil passage is adjusted, the flow rate of oil is controlled, and the damping of the shock absorber 1 is adjusted.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A high strength shock attenuation motorcycle suspension which characterized in that: the shock absorber comprises a shock absorber (1), wherein the shock absorber (1) comprises a shaft cylinder (2), a piston (4), a piston rod (5) and an adjusting mechanism (6); piston (4) coaxial slip inlays in shaft barrel (2), the one end of piston rod (5) is stretched into in shaft barrel (2) and is connected with piston (4), shaft barrel (2) are stretched out to the other end of piston rod (5), piston (4) are including coaxial first piston board (41) and the second piston board (42) of rotating the connection, first piston board (41) are equipped with through-hole (411), second piston board (42) are equipped with regulation hole (421) of a plurality of different internal diameters, and are a plurality of adjust hole (421) along the circumference interval setting of second piston board (42), adjustment mechanism (6) are used for ordering about first piston board (41) or second piston board (42) and rotate to make through-hole (411) and one adjust hole (421) intercommunication.

2. A high strength shock absorbing motorcycle suspension as claimed in claim 1, wherein: the shaft barrel (2) comprises a barrel body (21), a first end cover (3) and a second end cover (22), and the adjusting mechanism (6) comprises a connecting spring (61) and a driving piece (62); connecting spring (61) is located stack shell (21), first piston plate (41) or second piston plate (42) are connected to the one end of connecting spring (61), driving piece (62) coaxial rotation is connected in first end cover (3), just driving piece (62) are connected in the other end of connecting spring (61).

3. A high strength shock absorbing motorcycle suspension as claimed in claim 2, wherein: first end cover (3) are equipped with well hole (31) in the middle of, well hole (31) are equipped with the screw thread, driving piece (62) threaded connection is in well hole (31) in the middle, driving piece (62) stretch out from well hole (31) in the middle of, the periphery cover of driving piece (62) is equipped with oil seal ring (32), the inner periphery and the sealing of hole (31) in the middle of the periphery laminating of oil seal ring (32).

4. A high strength shock absorbing motorcycle suspension as claimed in claim 2, wherein: the driving piece (62) is provided with a pointer (621), the pointer (621) corresponds to the through hole (411), the surface of the first end cover (3) is provided with a plurality of marks (33), and the marks (33) correspond to the adjusting holes (421) one by one.

5. A high strength shock absorbing motorcycle suspension as claimed in claim 2, wherein: first end cover (3) deviate from the surface of stack shell (21) and are equipped with holding ring (34), holding ring (34) are equipped with a plurality of draw-in grooves (341), driving piece (62) are equipped with gag lever post (622), gag lever post (622) have elasticity, gag lever post (622) are used for inlaying to in draw-in groove (341).

6. A high strength shock absorbing motorcycle suspension as claimed in claim 2, wherein: the outer diameter of the connecting spring (61) is equal to the inner diameter of the shaft barrel (2).

7. A high strength shock absorbing motorcycle suspension as claimed in claim 1, wherein: the periphery of first piston plate (41) and the periphery of second piston plate (42) all are equipped with first sealing washer (43), the inner periphery and the sliding seal of the periphery slip laminating axle sleeve (2) of first sealing washer (43), first piston plate (41) are equipped with second sealing washer (44) towards the terminal surface of second piston plate (42), second sealing washer (44) are coaxial with through-hole (411), just second sealing washer (44) slide and laminate in first sealing washer (43) and sliding seal.

8. A high strength shock absorbing motorcycle suspension as claimed in claim 1, wherein: the inner diameter of the through hole (411) is larger than the inner diameters of all the adjusting holes (421).