Full-length adjustable magnetorheological damper structure

Abstract

The utility model discloses a full-length adjustable magneto-rheological shock absorber structure, and relates to the technical field of variable shock absorbers. Comprising an oil storage barrel, two guide mechanisms are fixedly embedded in the inner wall of the oil storage barrel, piston rods are slidably embedded in the inner walls of the two guide mechanisms, damping units fixedly sleeve the outer walls of the piston rods, the space between the two guide mechanisms and the oil storage barrel is filled with magnetic flow liquid, and the outer walls of the damping units are embedded in the magnetic flow liquid; a fixed bottom cover is fixedly embedded in the bottom of the inner wall of the oil storage barrel, and a threaded spring is fixedly arranged between the fixed bottom cover and one guide mechanism. Through the guide mechanism, the piston rod, the damping unit, the magnetic fluid and the stabilizer bar support, the flexibility can be improved, the height of a vehicle body can be adjusted according to road conditions, the overall-length-adjustable magneto-rheological shock absorber is in threaded connection with structural parts connected with the vehicle body, welding is not needed, and the connecting sleeve, the stabilizer bar support and the tray can be made of aluminum alloy materials; and the weight of the whole shock absorber assembly is lighter than that of a steel shock absorber.

Description

Technical Field

[0001] The utility model relates to the technical field of variable vibration dampers, in particular to a full-length adjustable magnetorheological vibration damper structure. Background Art

[0002] At present, magnetorheological fluid is a suspension including carrier fluid, magnetizable particles, surfactant, etc. In the absence of a magnetic field, the magnetorheological fluid can flow freely, but after the addition of a magnetic field, the magnetizable particles in the carrier fluid instantly obtain a dipole moment and are arranged into a chain structure, causing the magnetorheological fluid to change from a free-flowing state to a semi-solid state, thereby changing the viscosity of the magnetorheological fluid.

[0003] Currently, the structural parts connecting the magnetorheological shock absorber and the car body on the market are mostly welded to the cylinder, and the height of the car body cannot be adjusted on roads with complex vehicle conditions. Utility Model Content

[0004] The utility model provides a full-length adjustable magnetorheological shock absorber structure, which can improve flexibility through a guide mechanism, a piston rod, a damping unit, a magnetic fluid and a stabilizer bar bracket, and can adjust the height of a vehicle body according to road conditions. The structural parts connecting the full-length adjustable magnetorheological shock absorber and the vehicle body are connected by threads without welding, so the connecting sleeve, the stabilizer bar bracket and the tray can be made of aluminum alloy, so that the weight of the entire shock absorber assembly is lighter than that of a steel shock absorber.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a full-length adjustable magnetorheological damper structure, comprising:

[0006] An oil storage cylinder, wherein two guide mechanisms are fixedly embedded in the inner wall of the oil storage cylinder, piston rods are slidably embedded in the inner walls of the two guide mechanisms, a damping unit is fixedly sleeved on the outer wall of the piston rod, magnetic fluid is filled between the two guide mechanisms and the oil storage cylinder, the outer wall of the damping unit is embedded in the magnetic fluid, a fixed bottom cover is fixedly embedded in the bottom of the inner wall of the oil storage cylinder, and a threaded spring is fixedly provided between the fixed bottom cover and one of the guide mechanisms.

[0007] As a full-length adjustable magnetorheological damper structure of the utility model, the outer wall fixing sleeve of the oil storage cylinder is provided with a tray and a connecting sleeve, and the connecting sleeve is located below the tray.

[0008] As a full-length adjustable magnetorheological damper structure of the utility model, the outer wall fixing sleeve of the oil storage cylinder is provided with two locking rings.

[0009] As a full-length adjustable magnetorheological damper structure of the utility model, the top of the outer wall of one of the locking rings is fitted on the tray, and the bottom of the outer wall of the other locking ring is fitted on the connecting sleeve.

[0010] As a full-length adjustable magnetorheological damper structure of the utility model, the outer wall sliding sleeve of the oil storage cylinder is provided with a stabilizer rod bracket, and the stabilizer rod bracket is arranged between two locking rings.

[0011] The utility model provides a full-length adjustable magnetorheological damper structure, which has the following beneficial effects:

[0012] (1) The full-length adjustable magnetorheological shock absorber structure can improve flexibility through the guide mechanism, piston rod, damping unit, magnetic fluid and stabilizer bar bracket, and adjust the height of the vehicle body according to road conditions. The structural parts connecting the full-length adjustable magnetorheological shock absorber and the vehicle body are connected by threads without welding, so the connecting sleeve, stabilizer bar bracket and tray can be made of aluminum alloy, making the weight of the entire shock absorber assembly lighter than that of a steel shock absorber. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is a cross-sectional view of the utility model;

[0015] Figure 3 It is an exploded view of the utility model.

[0016] In the figure: 1. oil storage cylinder; 2. guide mechanism; 3. piston rod; 4. damping unit; 6. stabilizer bar bracket; 7. fixed bottom cover; 8. threaded spring; 9. tray; 10. connecting sleeve; 11. locking ring. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solution in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of the practical embodiment, not all of the embodiments. Based on the embodiment in the practical embodiment, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical embodiment.

[0018] See also Figure 1-3 The utility model provides a technical solution: a full-length adjustable magnetorheological damper structure, comprising:

[0019] An oil storage cylinder 1, the inner wall of which is fixedly embedded with two guide mechanisms 2, the inner walls of which are slidably embedded with piston rods 3, the outer wall of which is fixedly sleeved with a damping unit 4, magnetic fluid is filled between the two guide mechanisms 2 and the oil storage cylinder 1, the outer wall of which is embedded in the magnetic fluid, a fixed bottom cover 7 is fixedly embedded at the bottom of the inner wall of the oil storage cylinder 1, and a threaded spring 8 is fixedly provided between the fixed bottom cover 7 and one of the guide mechanisms 2.

[0020] In this embodiment: two guide mechanisms 2 can assist the piston rod 3 in sliding, and the magnetic fluid between them is filled, the damping unit 4 moves in the magnetic fluid, and the magnetizable particles in the carrier fluid instantly obtain a dipole moment and are arranged in a chain structure, so that the magnetorheological fluid changes from a free-flowing state to a semi-solid state, thereby changing the viscosity of the magnetorheological fluid, the fixed bottom cover 7 can close the bottom of the oil storage cylinder 1, and the threaded spring 8 can make the fixed bottom cover 7 and one of the guide mechanisms 2 elastic.

[0021] Specifically, the outer wall fixed sleeve of the oil storage cylinder 1 is provided with a tray 9 and a connecting sleeve 10 , and the connecting sleeve 10 is located below the tray 9 .

[0022] In this embodiment: the tray 9 is used to conveniently increase the support of the outside of the oil storage cylinder 1, and the connecting sleeve 10 can fix the bottom of the oil storage cylinder 1.

[0023] Specifically, two locking rings 11 are fixedly sleeved on the outer wall of the oil storage cylinder 1 .

[0024] In this embodiment, two locking rings 11 are used to prevent the threaded connection from loosening.

[0025] Specifically, the top of the outer wall of one locking ring 11 is attached to the tray 9 , and the bottom of the outer wall of the other locking ring 11 is attached to the connecting sleeve 10 .

[0026] In this embodiment: the tray 9 and the connecting sleeve 10 are fixedly installed by means of a locking ring 11 and a restriction.

[0027] Specifically, the outer wall sliding sleeve of the oil storage cylinder 1 is provided with a stabilizer bar bracket 6 , and the stabilizer bar bracket 6 is arranged between the two locking rings 11 .

[0028] In this embodiment, by installing and fixing the stabilizer bar bracket 6, the stability of the variable shock absorber can be improved and the vibration of the suspension system can be reduced.

[0029] When in use, the outer surface of the oil storage cylinder 1, the tray 9, the stabilizer bar bracket 6, and the inner surface of the connecting sleeve 10 are processed into full threads, and the structural parts connected to the oil storage cylinder 1 are screwed into the oil storage cylinder 1 in sequence. The tray 9 and the connecting sleeve 10 are locked by the locking ring 11, and the guide mechanism 2 is installed into the oil storage cylinder 1. Then, the assembled damping unit 4 and piston rod 3 are inserted into the oil storage cylinder 1, and the magnetic fluid is injected. The guide mechanism 2 is installed and sealed.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A full-length adjustable magnetorheological damper structure, characterized in that: include: An oil storage cylinder (1) is provided, wherein two guide mechanisms (2) are fixedly embedded in the inner wall of the oil storage cylinder (1), piston rods (3) are slidably embedded in the inner walls of the two guide mechanisms (2), a damping unit (4) is fixedly sleeved on the outer wall of the piston rod (3), magnetic fluid is filled between the two guide mechanisms (2) and the oil storage cylinder (1), the outer wall of the damping unit (4) is embedded in the magnetic fluid, a fixed bottom cover (7) is fixedly embedded in the bottom of the inner wall of the oil storage cylinder (1), and a threaded spring (8) is fixedly provided between the fixed bottom cover (7) and one of the guide mechanisms (2).

2. The full-length adjustable magnetorheological damper structure according to claim 1, characterized in that: The outer wall fixed sleeve of the oil storage cylinder (1) is provided with a tray (9) and a connecting sleeve (10), and the connecting sleeve (10) is located below the tray (9).

3. The full-length adjustable magnetorheological damper structure according to claim 2, characterized in that: The outer wall fixing sleeve of the oil storage cylinder (1) is provided with two locking rings (11).

4. The full-length adjustable magnetorheological damper structure according to claim 3 is characterized in that: The top of the outer wall of one of the locking rings (11) is attached to the tray (9), and the bottom of the outer wall of the other locking ring (11) is attached to the connecting sleeve (10).

5. The full-length adjustable magnetorheological damper structure according to claim 4, characterized in that: The outer wall sliding sleeve of the oil storage cylinder (1) is provided with a stabilizing rod bracket (6), and the stabilizing rod bracket (6) is arranged between two locking rings (11).

Images