CN203257967U - Screw valve hole type magnetic rheologic vibration damper - Google Patents
Screw valve hole type magnetic rheologic vibration damper Download PDFInfo
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- CN203257967U CN203257967U CN 201320298897 CN201320298897U CN203257967U CN 203257967 U CN203257967 U CN 203257967U CN 201320298897 CN201320298897 CN 201320298897 CN 201320298897 U CN201320298897 U CN 201320298897U CN 203257967 U CN203257967 U CN 203257967U
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- valve
- guider
- vibration damper
- valve opening
- valve hole
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Abstract
The utility model discloses a screw valve hole type magnetorheological vibration damper. The screw valve hole type magnetic rheologic vibration damper comprises an oil seal, an oil seal base, a guider, an end cap, a working cylinder, an inner cylinder barrel, a flow guide cover, a piston rod, a piston, a bottom valve assembly, magnetorheological fluid and a connecting piece, wherein the magnetorheological fluid are located inside the screw valve hole type magnetorheological vibration damper, and the two ends of the connecting piece are connected with a suspension system. A screw valve hole is formed in the guider, a valve hole inlet is formed in the bottom of the guider, then the screw valve hole is spiraled around the axis by one round or multiple rounds, and a valve hole outlet is formed in the upper portion of the guider. The screw valve hole type magnetorheological vibration damper further comprises a coil which is arranged close to the screw valve hole of the guider. Due to the ingenious design of the structure of the screw valve hole, the screw valve hole type magnetorheological vibration damper expands the actuating range of a magnetic field, and greatly expands the regulating range of damping force. In addition, the magnet exciting coil is flexible to arrange and can be arranged internally or externally. When the coil is arranged outside the screw valve hole type magnetorheological vibration damper, distribution of the coil with the large number of turns and large current is facilitated, higher magnetic field strength can be provided, and the regulating range of the damping force is expanded further.
Description
Technical field
The utility model belongs to the damper technique field, the screw valve cellular type magneto-rheological vibration damper that is specifically related to a kind of high-efficiency, has larger damping force regulation range.
Background technique
For accelerating the decay of vehicle frame and body vibrations, to improve ride of vehicle, in the suspension inside of most of automobiles vibration damper is housed.
Be provided with rebound valve, compression valve, recuperation valve and flowing valve in the vibration damper that common vehicle suspension is used.When vehicle frame (perhaps monocoque body) and vehicle bridge relative movement, the piston of vibration damper will be reciprocating in cylinder barrel, and the fluid in the active chamber will by each valve system, be decayed from vibration and the impact of ground and motor thereby produce damping force.The size of its damping depends on the flexible size of each valve member valve block group; In case after each valve block group adjustment installed, the damping characteristic of this each valve member of vibration damper and the damping property of vibration damper just determined that also its scope that adapts to pavement behavior is also determined thereupon.When the pavement behavior of Vehicle Driving Cycle exceeds accommodation, it is excessive or too small and do not reach the effectiveness in vibration suppression of coupling damping power to occur, the damping property of vibration damper more can not be what is the need for and will automatically adjust according to operating mode in the Vehicle Driving Cycle process, and magneto-rheological vibration damper a kind of vibration damper that can change according to operating mode damping just.
In the design of magneto-rheological vibration damper, how to accomplish to optimize better the magnetic field supply system, and to design effective passage so that being provided, wider damping force regulation range is a key issue.
Summary of the invention
The purpose of this utility model is to provide a kind of high-efficiency magneto-rheological vibration damper, under same energy consumes, can provide higher damping force regulation range.
The utility model is achieved through the following technical solutions for solving the problems of the technologies described above:
A kind of screw valve cellular type magneto-rheological vibration damper mainly comprises the magnetic flow liquid of oil sealing 1, oil sealing base 2, guider 3, end cap 4, clutch release slave cylinder 5, inner cylinder tube 6, air guide sleeve 7, piston rod 8, piston 9, bottom valve assembly 10, coil 11, vibration damper inside and the link that two ends are connected with suspension system;
Described inner cylinder tube 6 coaxial being nested in the clutch release slave cylinder 5, piston 9 and the piston rod 8 that is connected with piston 9 are slidingly connected at inner cylinder tube 6 inside, and the port, lower end of inner cylinder tube 6 is installed with bottom valve assembly 10;
Lower port place and the foot valve seat 10b of described clutch release slave cylinder 5 are tightly connected, and the upper port place of clutch release slave cylinder 5 is provided with guider 3, oil sealing 1 and oil sealing base 2, and fixing by end cap 4;
The circulation valve opening place of described piston 9 and bottom valve assembly 10 is equipped with respectively piston one-way valve 9a and bottom valve one-way valve 10a, and this one-way valve is made of one or more ring-shaped valves or dish shape spring valve plate, spring seat and stage clip respectively.
Described guider 3 inside are processed with spiral valve opening 3b, and guider 3 bottoms are processed with valve opening entrance 3a, then through the spiral valve opening 3b around axis spiral one circle or multi-turn, are processed with valve opening outlet 3c on guider 3 tops; Guider 3 can be integrated part, and is one-body molded, also can be divided in the centerline of spiral valve opening 3b two parts, respectively processing; Guider 3 also can axially arrange multilayer along piston rod 8, further increases passage length.
Described coil 11 is arranged in the position of the spiral valve opening 3b that closes on guider 3, and it is outside or inner to be arranged in clutch release slave cylinder 5.When coil 11 is arranged in the outside, be convenient to heat radiation and lead-in wire, be convenient to simultaneously the layout that multiturn is counted coil and large electric current, larger magnetic intensity can be provided, and then enlarge the regulation range of damping force.
When piston 9 moves upward, magnetic flow liquid arrives spiral valve opening 3b through valve opening entrance 3a, the magnetic field generation effect that coil 11 produces, change the viscosity of magnetic flow liquid, and then damping adjusting power, then magnetic flow liquid arrives receiving fluids zone, guider 3 top through valve opening outlet 3c, afterwards via and the passage that connects of this part receiving fluids zone flow to gap between clutch release slave cylinder 5 inwalls and guider 3 outer walls, and then enter shoe cream room; Meanwhile, the magnetic flow liquid in the shoe cream room flows into rodless cavity by bottom valve one-way valve 10a;
When piston 9 moved downward, magnetic flow liquid in the rodless cavity flowed into rod chamber through piston one-way valve 9a, because the volume of rod chamber is less than the rodless cavity volume, and the spiral valve opening 3b so the part magnetic flow liquid also can be flowed through, and then get back to shoe cream room.
When as seen the utility model piston 9 moved up and down, magnetic flow liquid along the direction spiral valve opening 3b that flows through, carried out major cycle all the time, is conducive to like this heat radiation of vibration damper fluid.
When magnetic flow liquid flows in spiral valve opening 3b, its flow direction is vertical with the magnetic direction that coil 11 produces, spiral valve opening 3b can arrange circle or a multi-turn as required, even can as required the guider 3 with spiral valve opening 3b be designed to multi-layer structure, further prolong effective passage, magnetic field is larger on the impact of the magnetic flow liquid in the circulation passage, and the zone of action is more extensive, can further increase the regulation range of damping force.
In addition, the magnetic flow liquid of the gap area between clutch release slave cylinder 5 and the guide holder 3 also flows to also perpendicular to the magnetic induction line direction, also can change magnetic flow liquid viscosity and then damping adjusting power by magnetic field.
The beneficial effects of the utility model are: by valve design hole structure dexterously, prolong the action range in magnetic field, greatly increased the regulation range of damping force; In addition, the flexible arrangement that other characteristics of the present utility model are field coils can be built-in, also can be external, wherein coil is arranged in the vibration damper outside, be convenient to multiturn and count coil and large electric current layout, larger magnetic intensity can be provided, enlarge further again the regulation range of damping force.
Description of drawings
Fig. 1 is overall structure schematic representation of the present utility model;
Fig. 2 is that C-C cross section view and magnetic flow liquid flow to schematic representation among Fig. 1;
Fig. 3 is A-A cross section view among Fig. 1, and Fig. 3 (a), Fig. 3 (b) are respectively two kinds of embodiments of spiral valve opening;
Fig. 4 is B-B cross section view among Fig. 1.
Among the figure:
1, oil sealing 2, oil sealing base 3, guider 4, end cap 5, clutch release slave cylinder 6, inner cylinder tube
7, air guide sleeve 8, piston rod 9, piston 10, bottom valve assembly 11, coil
3a, valve opening entrance 3b, spiral valve opening 3c, valve opening outlet
9a, piston one-way valve 10a, bottom valve one-way valve 10b, foot valve seat
Embodiment
Below in conjunction with accompanying drawing model utility is described in detail.
Fig. 1 is overall structure schematic representation of the present utility model, shown a kind of screw valve cellular type magneto-rheological vibration damper mainly comprises the magnetic flow liquid of oil sealing 1, oil sealing base 2, guider 3, end cap 4, clutch release slave cylinder 5, inner cylinder tube 6, air guide sleeve 7, piston rod 8, piston 9, bottom valve assembly 10, coil 11, vibration damper inside and the link that two ends are connected with suspension system;
Described inner cylinder tube 6 coaxial being nested in the clutch release slave cylinder 5, piston 9 and the piston rod 8 that is connected with piston 9 are slidingly connected at inner cylinder tube 6 inside, and the port, lower end of inner cylinder tube 6 is installed with bottom valve assembly 10;
Lower port place and the foot valve seat 10b of described clutch release slave cylinder 5 are tightly connected, and the upper port place of clutch release slave cylinder 5 is provided with guider 3, oil sealing 1 and oil sealing base 2, and fixing by end cap 4;
The circulation valve opening place of described piston 9 and bottom valve assembly 10 is equipped with respectively piston one-way valve 9a and bottom valve one-way valve 10a, and this one-way valve is made of one or more ring-shaped valves or dish shape spring valve plate, spring seat and stage clip respectively.
Described guider 3 inside are processed with spiral valve opening 3b, and guider 3 bottoms are processed with valve opening entrance 3a, then through the spiral valve opening 3b around axis spiral one circle or multi-turn, are processed with valve opening outlet 3c on guider 3 tops; Guider 3 can be integrated part, and is one-body molded, also can be divided in the centerline of spiral valve opening 3b two parts, respectively processing; Guider 3 also can axially arrange multilayer along piston rod 8, further increases passage length.
Described coil 11 is arranged in the position of the spiral valve opening 3b that closes on guider 3, and it is outside or inner to be arranged in clutch release slave cylinder 5.When coil 11 is arranged in the outside, be convenient to heat radiation and lead-in wire, be convenient to simultaneously the layout that multiturn is counted coil and large electric current, larger magnetic intensity can be provided, and then enlarge the regulation range of damping force.
Fig. 2 is that C-C cross section view and magnetic flow liquid flow to schematic representation among Fig. 1, when piston 9 moves upward, magnetic flow liquid arrives spiral valve opening 3b through valve opening entrance 3a, the magnetic field generation effect that coil 11 produces, change the viscosity of magnetic flow liquid, and then damping adjusting power, then magnetic flow liquid arrives receiving fluids zone, guider 3 top through valve opening outlet 3c, as shown in Figure 4, afterwards via and the passage that connects of this part receiving fluids zone flow to gap between clutch release slave cylinder 5 inwalls and guider 3 outer walls, and then enter shoe cream room; Meanwhile, the magnetic flow liquid in the shoe cream room flows into rodless cavity by bottom valve one-way valve 10a;
When piston 9 moved downward, magnetic flow liquid in the rodless cavity flowed into rod chamber through piston one-way valve 9a, because the volume of rod chamber is less than the rodless cavity volume, and the spiral valve opening 3b so the part magnetic flow liquid also can be flowed through, and then get back to shoe cream room.
When as seen the utility model piston 9 moved up and down, magnetic flow liquid along the direction spiral valve opening 3b that flows through, carried out major cycle all the time, is conducive to like this heat radiation of vibration damper fluid.
A-A cross section view among Fig. 1 shown in Figure 3 is a kind of embodiment of the present utility model, and among this embodiment, guider 3 has two circle spiral valve opening 3b, and corresponding two valve opening entrance 3a and two valve opening outlet 3c, has fully prolonged effective passage of magnetic flow liquid.Wherein the medial axis of spiral valve opening 3b is equal diameter 3/4ths circles among Fig. 3 (a), is convenient to like this processing; The medial axis of spiral valve opening 3b is the non-isodiametric helix that is similar to mosquito-repellent incense among Fig. 3 (b), and this is conducive to further increase effective passage of magnetic flow liquid.
When magnetic flow liquid flows in spiral valve opening 3b, its flow direction is vertical with the magnetic direction that coil 11 produces, spiral valve opening 3b can arrange circle or a multi-turn as required, even can as required the guider 3 with spiral valve opening 3b be designed to multi-layer structure, further prolong effective passage, magnetic field is larger on the impact of the magnetic flow liquid in the circulation passage, and the zone of action is more extensive, can further increase the regulation range of damping force.
In addition, the magnetic flow liquid of the gap area between clutch release slave cylinder 5 and the guide holder 3 also flows to also perpendicular to the magnetic induction line direction, also can change magnetic flow liquid viscosity and then damping adjusting power by magnetic field.
Above-described embodiment only is used for explanation the utility model; wherein the structure of each parts, Placement etc. all can change to some extent; every equivalents and improvement of carrying out on the basis of technical solutions of the utility model all should do not got rid of outside protection domain of the present utility model.
Claims (10)
1. a screw valve cellular type magneto-rheological vibration damper comprises the magnetic flow liquid of oil sealing (1), oil sealing base (2), guider (3), end cap (4), clutch release slave cylinder (5), inner cylinder tube (6), air guide sleeve (7), piston rod (8), piston (9), bottom valve assembly (10), vibration damper inside and the link that two ends are connected with suspension system;
Described inner cylinder tube (6) is coaxial to be nested in the clutch release slave cylinder (5), and piston (9) and the piston rod (8) that is connected with piston (9) are slidingly connected at inner cylinder tube (6) inside, and the port, lower end of inner cylinder tube (6) is installed with bottom valve assembly (10);
The lower port place of described clutch release slave cylinder (5) and foot valve seat (10b) are tightly connected, and the upper port place of clutch release slave cylinder (5) is provided with guider (3), oil sealing (1) and oil sealing base (2), and fixing by end cap (4);
The circulation valve opening place of described piston (9) and bottom valve assembly (10) is equipped with respectively piston one-way valve (9a) and bottom valve one-way valve (10a), and this one-way valve is made of one or more ring-shaped valves or dish shape spring valve plate, spring seat and stage clip respectively;
It is characterized in that:
Described guider (3) inside is processed with spiral valve opening (3b), guider (3) bottom is processed with valve opening entrance (3a), then through the spiral valve opening (3b) around axis spiral one circle or multi-turn, be processed with valve opening outlet (3c) on guider (3) top;
Also comprise coil (11), described coil (11) is arranged in the position of the spiral valve opening (3b) that closes on guider (3).
2. a kind of screw valve cellular type magneto-rheological vibration damper according to claim 1 is characterized in that:
Described guider (3) is integrated part, and is one-body molded.
3. a kind of screw valve cellular type magneto-rheological vibration damper according to claim 1 is characterized in that:
Described guider (3) is divided into two parts in the centerline of spiral valve opening (3b), respectively processing.
4. according to claim 1 to 3 each described a kind of screw valve cellular type magneto-rheological vibration dampers, it is characterized in that:
The described guider (3) that is processed with spiral valve opening (3b) axially arranges multilayer along piston rod (8).
5. according to claim 1 to 3 each described a kind of screw valve cellular type magneto-rheological vibration dampers, it is characterized in that:
Described spiral valve opening (3b) arranges circle or a multi-turn in guider (3) inside.
6. according to claim 1 to 3 each described a kind of screw valve cellular type magneto-rheological vibration dampers, it is characterized in that:
The medial axis of described spiral valve opening (3b) is isodiametric circle.
7. according to claim 1 to 3 each described a kind of screw valve cellular type magneto-rheological vibration dampers, it is characterized in that:
The medial axis of described spiral valve opening 3b is non-isodiametric helix.
8. a kind of screw valve cellular type magneto-rheological vibration damper according to claim 1 is characterized in that:
Described coil (11) is arranged in clutch release slave cylinder (5) outside.
9. a kind of screw valve cellular type magneto-rheological vibration damper according to claim 1 is characterized in that:
Described piston (9) is when moving upward, magnetic flow liquid arrives spiral valve opening (3b) through valve opening entrance (3a), the magnetic field generation effect that coil (11) produces, change the viscosity of magnetic flow liquid, damping adjusting power, then magnetic flow liquid arrives receiving fluids zone, guider (3) top through valve opening outlet (3c), afterwards via and the passage that connects of this part receiving fluids zone flow to gap between clutch release slave cylinder (5) inwall and guider (3) outer wall, and then enter shoe cream room; Meanwhile, the magnetic flow liquid in the shoe cream room flows into rodless cavity by bottom valve one-way valve (10a).
10. a kind of screw valve cellular type magneto-rheological vibration damper according to claim 1 is characterized in that:
Described piston (9) is when moving downward, magnetic flow liquid in the rodless cavity flows into rod chamber through piston one-way valve (9a), because the volume of rod chamber is less than the rodless cavity volume, the spiral valve opening (3b) so the part magnetic flow liquid also can be flowed through, and then get back to shoe cream room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320298897 CN203257967U (en) | 2013-05-28 | 2013-05-28 | Screw valve hole type magnetic rheologic vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320298897 CN203257967U (en) | 2013-05-28 | 2013-05-28 | Screw valve hole type magnetic rheologic vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203257967U true CN203257967U (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320298897 Expired - Lifetime CN203257967U (en) | 2013-05-28 | 2013-05-28 | Screw valve hole type magnetic rheologic vibration damper |
Country Status (1)
| Country | Link |
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| CN (1) | CN203257967U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322114A (en) * | 2013-05-28 | 2013-09-25 | 吉林大学 | Spiral valve hole type magnetorheological damper |
| CN107701645A (en) * | 2017-10-30 | 2018-02-16 | 湖北汽车工业学院 | A kind of combined type MR fluid shock absorber |
-
2013
- 2013-05-28 CN CN 201320298897 patent/CN203257967U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322114A (en) * | 2013-05-28 | 2013-09-25 | 吉林大学 | Spiral valve hole type magnetorheological damper |
| CN107701645A (en) * | 2017-10-30 | 2018-02-16 | 湖北汽车工业学院 | A kind of combined type MR fluid shock absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |
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| CX01 | Expiry of patent term |