CN203770800U - Compact bidirectional flow control valve - Google Patents
Compact bidirectional flow control valve Download PDFInfo
- Publication number
- CN203770800U CN203770800U CN201420194980.9U CN201420194980U CN203770800U CN 203770800 U CN203770800 U CN 203770800U CN 201420194980 U CN201420194980 U CN 201420194980U CN 203770800 U CN203770800 U CN 203770800U
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- China
- Prior art keywords
- flow control
- control valve
- valve body
- magnetic
- hydraulic fluid
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Abstract
The utility model discloses a compact-type bidirectional flow control valve mainly comprising a valve body 1, an upper end cover 13, a valve element 4, a coil 2, a magnetic isolating sleeve 3 and a propelling rod 5, wherein the upper end cover 13 and the valve element 4 are fixedly connected with the valve body 1, the coil 2 and the magnetic isolating sleeve 3 are coaxial with the valve body 1, and the propelling rod 5 is nested in the valve element 4; in a cavity formed by the upper end cover 13 and the propelling rod 5, an upper electrode plate 11, a magneto-rheological elastomer 10 and a lower electrode plate 9 are sequentially arranged from top to bottom; a piston 8 is fixedly connected with a lower shaft shoulder of the propelling rod 5; a low oil opening A is formed at the bottom of the propelling rod 5, and an upper oil opening B is formed in the side wall of the bottom of the valve body 1. According to the utility model, continuous flow control and valve opening pressure control can be realized through controlling the intensity of a magnetic field, the size of valve opening pressure can be changed according to external using conditions, and bidirectional flow of oil fluid can be realized by virtue of the inlet and the outlet. The response speed is fast, the pressure regulating range is wide, the structure is very compact, the size is small, the cost is relatively low, and the valve is convenient to process.
Description
Technical field
The utility model relates to a kind of compact type bi-directional effect flow control valve, and this flow control valve can be realized the continuous control of flow and the big or small control of cracking pressure by controlling magnetic field intensity, and by a set of import and export, realizes the two-way flow of fluid.
Background technique
The use of damper is more and more extensive, and valve system is the critical component that determines damper characteristics, and its performance directly determines the characteristic of damper.Traditional mechanical valve system opens and closes by the valve block of stack the control that realizes flow, but needs accurate valve block design could realize specific damping characteristic, processed complex.Along with scientific and technological development, damper is to precise treatment, microminiaturized future development, and this is the accurate control that realizes flow with regard to requiring us to design compacter valve.
Magnetic rheology elastic body often shows as the dynamics of linear-viscoelastic gonosome under magnetic fields, and its performance is between line elastomer and linear viscous fluid.The obvious advantage of using magnetorheological solid material is that particle can be not in time and sedimentation, also does not need magnetorheological materials to remain on the seal arrangement of working position.
Summary of the invention
The purpose of this utility model is to provide a kind of compact type bi-directional effect flow control valve that can realize by the intensity of controlling magnetic field flow continuous control and cracking pressure control, it not only can change according to outside service condition the size of cracking pressure, and by a set of import and export, realizes the two-way flow of fluid.
For solving the problems of the technologies described above, the technological scheme by reference to the accompanying drawings the utility model being adopted is described below:
A compact type bi-directional effect flow control valve, mainly comprises valve body 1, the upper end cap 13 being fixedly connected with valve body 1 and spool 4, and coil 2 and the magnetic shield cylinder 3 coaxial with valve body 1, be nested in the track bar 5 of spool 4 inside;
In the cavity of upper end cap 13 and track bar 5 formation, top crown 11, magnetic rheology elastic body 10 and lower polar plate 9 are installed from top to bottom successively;
Be fixedly connected with piston 8 with the track bar 5 bottom shaft shoulders;
Track bar 5 bottoms are provided with lower hydraulic fluid port A, and valve body 1 bottom sidewall is provided with hydraulic fluid port B;
Wherein, due to top crown in working procedure 11, magnetic rheology elastic body 10, lower polar plate 9 and track bar 5 bearing tension not, thus between them, can utilize sticky agent glue to connect together, and top end cap 13 and pad 12 are adjusted precompressed; If do not bondd, also can realize axially locating by the shaft shoulder being set on the upper-end surface at spool 4 and upper end cap 13.
Top crown 11 and lower polar plate 9 are used to form closed magnetic circuit, and play the guiding role when magnetic rheology elastic body 10 distortion.
Between upper end cap 13 and valve body 1, pad 12 is installed, for adjusting the pretightening force of magnetic rheology elastic body 10, and has vent C on upper end cap 13 and spool 4, can guarantee like this control valve in the course of the work air pressure inside remain unchanged.
Piston 8 is provided with seal groove, and inner seal ring 6 is housed, and fluid enters the epicoele of piston 8 from upper hydraulic fluid port B mouth when preventing work, makes pressure decreased.
Valve body 1 bottom is provided with exterior seal ring 7, the sealing while assembling with miscellaneous part for valve body 1;
Preferably, the outlet of vent C is provided with dust-proof cover 14;
Alternatively, magnetic rheology elastic body 10 can be replaced by magnetorheological capsule, and described magnetorheological capsule is the flexible pocket that inner sealing has magnetic flow liquid.
Working procedure of the present utility model is as follows:
Utilize the intensity of coil 2 controlling magnetic fields, and then control the rigidity of magnetic rheology elastic body 10, the utility model is suitable in the various equipment that needs flow control.
As shown in Figure 2, instantly hydraulic fluid port A is that filler opening, upper hydraulic fluid port B are while being oil outlet, under the effect of pressure, high-voltage oil liquid enters from lower hydraulic fluid port A, the magnetic rheology elastic body 10 being now connected with track bar 5 produces compressive strain under the effect of pressure, so lower hydraulic fluid port A moves on gradually, be opened, fluid flows out from upper hydraulic fluid port B.Along with the increase of pressure, the aperture of lower hydraulic fluid port A increases gradually, thereby realizes the continuous adjusting of flow.
Coil 3 produces magnetic field under the effect of ECU (Electrical Control Unit), the increase along with magnetic intensity before unsaturation of the rigidity of magnetic rheology elastic body 10 increases gradually, the active force that magnetic rheology elastic body 10 acts on track bar 5 also increases gradually, thereby realize the control of the cracking pressure of lower hydraulic fluid port A, and then realize the control of damping size.
As shown in Figure 3, when the oil liquid pressure at hydraulic fluid port A place reduces instantly, track bar 5 resets under self elastic reaction of magnetic rheology elastic body 10, the fluid of the lower hydraulic fluid port A of cut-off.
As shown in Figure 4, when upper hydraulic fluid port B is that filler opening, lower hydraulic fluid port A are while being oil outlet, under the effect of pressure, high-voltage oil liquid enters from upper hydraulic fluid port B, and now the lower surface of piston 8 bears oil liquid pressure, and then pressure is passed to track bar 5, and then compression magnetic rheology elastic body 10, magnetic rheology elastic body 10 produces compressive strain under the effect of pressure, so lower hydraulic fluid port A moves on gradually, is opened, and fluid flows out from lower hydraulic fluid port A.Along with the increase of pressure, the aperture of upper hydraulic fluid port B increases gradually, thereby realizes the continuous adjusting of flow.
Coil 3 produces magnetic field under the effect of ECU (Electrical Control Unit), the increase along with magnetic intensity before unsaturation of the rigidity of magnetic rheology elastic body 10 increases gradually, the active force that magnetic rheology elastic body 10 acts on piston 8 also increases gradually, thereby the control of the cracking pressure of hydraulic fluid port B in realization, and then realize the control of damping size.
As shown in Figure 5, when the oil liquid pressure at upper hydraulic fluid port B place reduces, track bar 5 and piston 8 reset under self elastic reaction of magnetic rheology elastic body 10, the fluid of hydraulic fluid port B in cut-off.
The beneficial effects of the utility model are:
The utility model can be controlled and be realized different cracking pressures by magnetic intensity, its fast response time, and pressure regulation range is wide, realize flow continuous control, and by a set of oil inlet and outlet, realize the two-way flow of fluid, its structure is very compact, volume is little, and cost is relatively cheap, easy to process.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Schematic diagram when Fig. 2 is lower hydraulic fluid port A and the connection of upper hydraulic fluid port B forward;
Schematic diagram when Fig. 3 is lower hydraulic fluid port A and the cut-off of upper hydraulic fluid port B forward;
Fig. 4 is upper hydraulic fluid port B and the lower hydraulic fluid port A schematic diagram while oppositely connecting;
Fig. 5 is upper hydraulic fluid port B and the lower hydraulic fluid port A schematic diagram while oppositely ending.
In figure:
1, valve body; 2, coil; 3, magnetic shield cylinder; 4, spool; 5, track bar; 6, inner seal ring; 7, exterior seal ring; 8, piston; 9, lower polar plate; 10, magnetic rheology elastic body; 11, top crown; 12, pad; 13, upper end cap; 14, dust-proof cover;
A, lower hydraulic fluid port; B, upper hydraulic fluid port; D, air outlet hole.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figure 1, a kind of compact type bi-directional effect flow control valve of the present utility model, mainly comprises valve body 1, the upper end cap 13 being fixedly connected with valve body 1 and spool 4, and coil 2 and the magnetic shield cylinder 3 coaxial with valve body 1, be nested in the track bar 5 of spool 4 inside;
In the cavity of upper end cap 13 and track bar 5 formation, top crown 11, magnetic rheology elastic body 10 and lower polar plate 9 are installed from top to bottom successively;
Be fixedly connected with piston 8 with the track bar 5 bottom shaft shoulders;
Track bar 5 bottoms are provided with lower hydraulic fluid port A, and valve body 1 bottom sidewall is provided with hydraulic fluid port B;
Wherein, due to top crown in working procedure 11, magnetic rheology elastic body 10, lower polar plate 9 and track bar 5 bearing tension not, thus between them, can utilize sticky agent glue to connect together, and top end cap 13 and pad 12 are adjusted precompressed; If do not bondd, also can realize axially locating by the shaft shoulder being set on the upper-end surface at spool 4 and upper end cap 13.
Top crown 11 and lower polar plate 9 are used to form closed magnetic circuit, and play the guiding role when magnetic rheology elastic body 10 distortion.
Between upper end cap 13 and valve body 1, pad 12 is installed, for adjusting the pretightening force of magnetic rheology elastic body 10, and has vent C on upper end cap 13 and spool 4, can guarantee like this control valve in the course of the work air pressure inside remain unchanged.
Piston 8 is provided with seal groove, and inner seal ring 6 is housed, and fluid enters the epicoele of piston 8 from upper hydraulic fluid port B mouth when preventing work, makes pressure decreased.
Valve body 1 bottom is provided with exterior seal ring 7, the sealing while assembling with miscellaneous part for valve body 1;
Preferably, the outlet of vent C is provided with dust-proof cover 14;
Alternatively, magnetic rheology elastic body 10 can be replaced by magnetorheological capsule, and described magnetorheological capsule is the flexible pocket that inner sealing has magnetic flow liquid.
Working procedure of the present utility model is as follows:
Utilize the intensity of coil 2 controlling magnetic fields, and then control the rigidity of magnetic rheology elastic body 10, the utility model is suitable in the various equipment that needs flow control.
As shown in Figure 2, instantly hydraulic fluid port A is that filler opening, upper hydraulic fluid port B are while being oil outlet, under the effect of pressure, high-voltage oil liquid enters from lower hydraulic fluid port A, the magnetic rheology elastic body 10 being now connected with track bar 5 produces compressive strain under the effect of pressure, so lower hydraulic fluid port A moves on gradually, be opened, fluid flows out from upper hydraulic fluid port B.Along with the increase of pressure, the aperture of lower hydraulic fluid port A increases gradually, thereby realizes the continuous adjusting of flow.
Coil 3 produces magnetic field under the effect of ECU (Electrical Control Unit), the increase along with magnetic intensity before unsaturation of the rigidity of magnetic rheology elastic body 10 increases gradually, the active force that magnetic rheology elastic body 10 acts on track bar 5 also increases gradually, thereby realize the control of the cracking pressure of lower hydraulic fluid port A, and then realize the control of damping size.
As shown in Figure 3, when the oil liquid pressure at hydraulic fluid port A place reduces instantly, track bar 5 resets under self elastic reaction of magnetic rheology elastic body 10, the fluid of the lower hydraulic fluid port A of cut-off.
As shown in Figure 4, when upper hydraulic fluid port B is that filler opening, lower hydraulic fluid port A are while being oil outlet, under the effect of pressure, high-voltage oil liquid enters from upper hydraulic fluid port B, and now the lower surface of piston 8 bears oil liquid pressure, and then pressure is passed to track bar 5, and then compression magnetic rheology elastic body 10, magnetic rheology elastic body 10 produces compressive strain under the effect of pressure, so lower hydraulic fluid port A moves on gradually, is opened, and fluid flows out from lower hydraulic fluid port A.Along with the increase of pressure, the aperture of upper hydraulic fluid port B increases gradually, thereby realizes the continuous adjusting of flow.
Coil 3 produces magnetic field under the effect of ECU (Electrical Control Unit), the increase along with magnetic intensity before unsaturation of the rigidity of magnetic rheology elastic body 10 increases gradually, the active force that magnetic rheology elastic body 10 acts on piston 8 also increases gradually, thereby the control of the cracking pressure of hydraulic fluid port B in realization, and then realize the control of damping size.
As shown in Figure 5, when the oil liquid pressure at upper hydraulic fluid port B place reduces, track bar 5 and piston 8 reset under self elastic reaction of magnetic rheology elastic body 10, the fluid of hydraulic fluid port B in cut-off.
Claims (8)
1. a compact type bi-directional effect flow control valve, comprises valve body (1), and the upper end cap (13) being fixedly connected with valve body (1) and spool (4), is characterized in that:
Also comprise the coil (2) coaxial with valve body (1) and magnetic shield cylinder (3), be nested in the inner track bar (5) of spool (4);
In the cavity of described upper end cap (13) and track bar (5) formation, top crown (11), magnetic rheology elastic body (10) and lower polar plate (9) are installed from top to bottom successively;
Be fixedly connected with piston (8) with described track bar (5) the bottom shaft shoulder;
Described track bar (5) bottom is provided with lower hydraulic fluid port (A), and valve body (1) bottom sidewall is provided with hydraulic fluid port (B).
2. a kind of compact type bi-directional effect flow control valve according to claim 1, is characterized in that:
Described top crown (11) and lower polar plate (9) form closed magnetic circuit, and the distortion of magnetic rheology elastic body (10) is led.
3. a kind of compact type bi-directional effect flow control valve according to claim 1, is characterized in that:
Between described upper end cap (13) and valve body (1), pad (12) is installed, adjusts the pretightening force of magnetic rheology elastic body (10).
4. a kind of compact type bi-directional effect flow control valve according to claim 1, is characterized in that:
On described upper end cap (13) and spool (4), have vent (C).
5. a kind of compact type bi-directional effect flow control valve according to claim 1, is characterized in that:
Described piston (8) is provided with seal groove, and inner seal ring (6) is housed.
6. a kind of compact type bi-directional effect flow control valve according to claim 1, is characterized in that:
Described valve body (1) bottom is provided with exterior seal ring (7).
7. a kind of compact type bi-directional effect flow control valve according to claim 4, is characterized in that:
The outlet of described vent (C) is provided with dust-proof cover (14).
8. according to a kind of compact type bi-directional effect flow control valve described in any one in claim 1 to 7, it is characterized in that:
Described magnetic rheology elastic body (10) is replaced by magnetorheological capsule, and described magnetorheological capsule is the flexible pocket that inner sealing has magnetic flow liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194980.9U CN203770800U (en) | 2014-04-21 | 2014-04-21 | Compact bidirectional flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194980.9U CN203770800U (en) | 2014-04-21 | 2014-04-21 | Compact bidirectional flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770800U true CN203770800U (en) | 2014-08-13 |
Family
ID=51287991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420194980.9U Withdrawn - After Issue CN203770800U (en) | 2014-04-21 | 2014-04-21 | Compact bidirectional flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203770800U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899827A (en) * | 2014-04-21 | 2014-07-02 | 章新杰 | Compact bidirectional action flow control valve |
| CN111937765A (en) * | 2015-07-02 | 2020-11-17 | 水晶泉侨民农场有限公司 | Water supply system for animals |
-
2014
- 2014-04-21 CN CN201420194980.9U patent/CN203770800U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899827A (en) * | 2014-04-21 | 2014-07-02 | 章新杰 | Compact bidirectional action flow control valve |
| CN103899827B (en) * | 2014-04-21 | 2016-01-27 | 章新杰 | A kind of compact type bi-directional effect flow control valve |
| CN111937765A (en) * | 2015-07-02 | 2020-11-17 | 水晶泉侨民农场有限公司 | Water supply system for animals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20160127 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |