CN110296116A - A kind of thread cartridge overflow valve based on Halbach array magnetic patch - Google Patents
A kind of thread cartridge overflow valve based on Halbach array magnetic patch Download PDFInfo
- Publication number
- CN110296116A CN110296116A CN201910266296.4A CN201910266296A CN110296116A CN 110296116 A CN110296116 A CN 110296116A CN 201910266296 A CN201910266296 A CN 201910266296A CN 110296116 A CN110296116 A CN 110296116A
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- CN
- China
- Prior art keywords
- magnetic patch
- halbach array
- array magnetic
- valve body
- spool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 77
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/022—Flow-dividers; Priority valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
- F15B20/005—Leakage; Spillage; Hose burst
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of thread cartridge overflow valves based on Halbach array magnetic patch, belong to the technical field of direct-acting overflow valve, including valve body, spool, first Halbach array magnetic patch and the second Halbach array magnetic patch, there is the first cavity in valve body, the oil inlet and oil outlet being connected to the first cavity are additionally provided on valve body, spool is movably disposed in cavity and separates oil inlet and oil outlet, first Halbach array magnetic patch and the second Halbach array magnetic patch are movably disposed in the first cavity, second Halbach array magnetic patch is located at the side of the first Halbach array magnetic patch and forms magnetic field force between the two, side and spool of the second Halbach array magnetic patch far from the first Halbach array magnetic patch End abutment.The present invention replaces the spring in traditional direct-acting overflow valve using the first Halbach array magnetic patch and the second Halbach array magnetic patch, magnetic field force between first Halbach array magnetic patch and the second Halbach array magnetic patch instead of spring elastic force so that the precision and durability of invention greatly improve.
Description
Technical field
The invention belongs to the technical fields of overflow valve, and in particular to a kind of thread cartridge based on Halbach array magnetic patch
Overflow valve.
Background technique
Pressure regulatory element of the overflow valve as hydraulic system, main function is level pressure and overflow, when as safety valve
It can also play the role of preventing overload and security protection when use.Direct-acting overflow valve is direct by the pressure oil in system
It acts on spool and balances each other with spring force etc., with the switching motion of control valve core.Overflow valve uses spiral compression spring mostly
As voltage regulation component and reset element.There are fatigue fracture, hydrogen embrittlement fracture, corrosion fracture, relaxation, plasticity to become for spiral compression spring
The failure modes such as shape, permanent deformation, once fracture or the failures such as loose, stuck occur for spring failure, it will and lose hydraulic system
Pressure, causes associated steerable system out of control, may bring more serious catastrophic effect for entire hydraulic system.
Summary of the invention
It is an object of the invention to: above-mentioned deficiency in the prior art is solved, is provided a kind of based on Halbach array magnetic
The thread cartridge overflow valve of block is not grown with the spring service life solved the problems, such as in existing direct-acting overflow valve.
To achieve the goals above, the technical solution adopted by the present invention are as follows: provide a kind of based on Halbach array magnetic patch
Thread cartridge overflow valve, including valve body, spool, the first Halbach array magnetic patch and the second Halbach array magnetic patch, the valve
There is the first cavity in vivo, be additionally provided with the oil inlet and oil outlet being connected to first cavity, the valve on the valve body
Core is movably disposed in the cavity and separates the oil inlet and oil outlet, the first Halbach array magnetic patch
It is movably disposed in first cavity with the second Halbach array magnetic patch, the second Halbach array magnetic patch is located at
The side of the first Halbach array magnetic patch and there is gap with magnetic field force and between the two between the two, described the
The end abutment of two Halbach array the magnetic patch side far from the first Halbach array magnetic patch and the spool.
Further, along the axially extending of valve body in the valve body, the oil inlet is arranged in institute first cavity
Radially extending along valve body in the peripheral surface of valve body is stated, and extends to the first cavity of valve body, the oil outlet is arranged in institute
It states on a side end face of valve body.
Further, there is the second cavity being extended along valve core axis, the surface of the spool is set in the spool
The first opening and the first opening are equipped with along second cavity that extends radially to of spool, the spool is far from the 2nd Halbach
One side end of array magnetic patch is provided with the second opening, has gap between the first opening and the valve body of the spool,
The surface of the spool is provided with the groove positioned at first opening side, and the groove is connected to the oil inlet.
Further, the side sidewall slope of the groove, and the angle of the bottom surface of the side wall and groove is obtuse angle, it is described
First step that is downwardly convex and abutting against with the sloped sidewall of the groove is provided in first cavity of valve body.
Further, the first Halbach array magnetic patch connects far from the side of the second Halbach array magnetic patch
It is connected to thrust bearing, the thrust bearing is located in first cavity, and second step, the thrust are provided in first cavity
Seat is abutted with the second step, and the thrust bearing is for driving the first Halbach array magnetic patch to rotate.
Further, adjustment gasket in gap is folded between the thrust bearing and the second step.
Further, the first sealing ring is set on the thrust bearing.
Further, the valve body is provided with locking nut far from one end of the oil outlet, and the locking nut is located at
In the valve body and locking nut is removably connect with the thrust bearing.
Further, the surface of the valve body is arranged with the second sealing ring and third sealing ring.
Further, the surface of the valve body is provided with the location hole that the first cavity is extended radially to along valve body, the valve
The surface of core is also equipped with second location hole corresponding with the first positioning hole.
By adopting the above-described technical solution, the beneficial effects of the present invention are:
The present invention passes through the first Halbach array magnetic patch and the 2nd Halbach relative to traditional direct-acting overflow valve
Array magnetic patch substitutes traditional spring, has magnetic field force between the first Halbach array magnetic patch and the second Halbach array magnetic patch
The second Halbach array magnetic patch is enabled to apply a support force to spool, pressure oil is entered by the oil inlet on valve body, if
The oil pressure of pressure oil is greater than the magnetic field force pressure oil between the first Halbach array magnetic patch and the second Halbach array magnetic patch just
Spool can be pushed mobile towards the direction of the second Halbach array magnetic patch, the first Halbach array magnetic patch and second
Spacing between Halbach array magnetic patch can reduce, and be connected to oil inlet with oil outlet, so that partial pressure oil can be from
Oil outlet discharge, the oil pressure of pressure oil can also reduce therewith, using the first Halbach array magnetic patch and the 2nd Halbach gusts
Column magnetic patch is more preferable relative to traditional spring stability and durability, while making the first Halbach array magnetic patch and second
Halbach array magnetic patch relatively rotates the magnetic field force that can be controlled between the two, to realize the adjustment of oil pressure to pressure oil.
Detailed description of the invention
Fig. 1 is the schematic diagram in the first embodiment of the present invention；
Fig. 2 is the schematic cross-sectional view of the second embodiment of the present invention.
Fig. 3 is the sectional view of A-A in Fig. 2.
Appended drawing reference: 1- valve body, the first cavity of 110-, 120- oil inlet, 130- oil outlet, the gap 140-, 150- first
Step, 160- second step, the second sealing ring of 170-, 180- third sealing ring, 190- first positioning hole, 2- spool, 210-
Two cavitys, 220- first are open, and 230- second is open, 240- groove, 241- side wall, 3- the first Halbach array magnetic patch, 4-
Second Halbach array magnetic patch, 5- thrust bearing, the first sealing ring of 510-, the gap 6- adjust gasket, 7- locking nut.
Specific embodiment
Referring to attached drawing, specific description is done to embodiments of the present invention.
Embodiment 1:
The present invention provides a kind of thread cartridge overflow valves based on Halbach array magnetic patch, as shown in Figure 1, including valve
Body 1, spool 2, the first Halbach array magnetic patch 3 and the second Halbach array magnetic patch 4, the valve body 1 is interior to have the first cavity
110, the oil inlet 120 and oil outlet 130 being connected to first cavity 110, the spool 2 are additionally provided on the valve body 1
It is movably disposed in first cavity 110 and separates the oil inlet 120 and oil outlet 130, pressure oil is by oil inlet
Mouthfuls 120 enter in valve body 1 after due to spool 2 barrier so that pressure oil can not be discharged from oil outlet 130, described first
Halbach array magnetic patch 3 and the second Halbach array magnetic patch 4 are movably disposed in first cavity 110, and described
Two Halbach array magnetic patch 4 are located at the side of the first Halbach array magnetic patch 3 and have magnetic field force between the two, described
The end abutment of second Halbach array magnetic patch 4 side far from the first Halbach array magnetic patch 4 and the spool 2,
After one end of second Halbach array magnetic patch 4 and spool 2 abuts against, the first Halbach array magnetic patch 3 and the 2nd Halbach gusts
Repulsion between column magnetic patch 4 enables the second Halbach array magnetic patch 4 closely to abut with spool 2 and applies one to spool 2
Support force, and when the oil pressure of the pressure oil entered in the first cavity 110 is greater than the first Halbach array magnetic patch 3 and second
After repulsion between Halbach array magnetic patch 4, the pressure of pressure oil can push spool 2 to squeeze the second Halbach array magnetic patch
4 and make the distance between the second Halbach array magnetic patch 4 and the first Halbach array magnetic patch 3 reduce so that oil inlet
120 are connected with oil outlet 130, and partial pressure oil just can be discharged by oil outlet 130, thus reduce the oil pressure of pressure oil,
Play the role of overflow pressure relief adjustment.
Embodiment 2:
In the present invention, first cavity 110 is in the valve body 1 along the axially extending of valve body 1, the first cavity 110
The axis of axis and valve body 1 be located on the same line, the oil inlet 120 is arranged in the peripheral surface of the valve body 1
Along radially extending for valve body 1, and the first cavity 110 of valve body 1 is extended to, the valve body 1 is arranged in the oil outlet 130
On one side end face, there is the second cavity 210 being extended along 2 axis of spool, the spool 2 in the spool 2 at the same time
Surface be provided with second cavity 210 that extends radially to of the first opening 220 and the first opening 220 along spool 2, the spool 2
A side end far from the second Halbach array magnetic patch 4 is provided with the second opening 230, the first opening of the spool 2
There is gap 140 between the valve body 1, gap 140 is for passing through pressure oil herein, by the oil inlet of valve body 1 at 220
120 pressure oils entered behind gap 140 by entering back into the first opening 220, after the second cavity 210 for then passing through spool 2
By 230 discharge of the second opening, in order to enable spool 2, with promotion, to be provided with and be located on the surface of the spool 2 by pressure oil
The groove 240 of first opening, 220 sides, the groove 240 are connected to the oil inlet 120, enter the first cavity 110
Pressure oil can enter in groove 240 first, pressure oil can apply pressure to inner wall of the oil pressure to groove 240, and work as pressure
Oil applies the repulsion phase with the first Halbach array magnetic patch 3 and the second Halbach array magnetic patch 4 to the inner sidewall of groove 240
To active force, when pressure oil is greater than the first Halbach array magnetic patch 3 and second to the pressure that the inner sidewall of groove 240 applies
Spool 2 can be mobile towards the second Halbach array magnetic patch 4 when repulsion between Halbach array magnetic patch 4, when in moving process
Pressure oil just can be flowed into spool 2 from gap 140 after groove 240 is connected to gap 140, to be discharged.
In order to keep flushing effect of the invention more accurate, the side side wall 241 of the groove 240 is tilted, and the side wall 241
Angle with the bottom surface of groove 240 is obtuse angle, be provided in the first cavity 110 of the valve body 1 it is downwardly convex and with it is described recessed
The first step 150 that the sloped sidewall 241 of slot 240 abuts against.First step 150 is connected on side wall 241 rear i.e. by groove 240
Separate with gap 140, and it is whole to apply the spool 2 that can make after a pressure to side wall 241 after pressure oil enters in groove 240
Body is mobile towards the second Halbach array magnetic patch 4 so that first step 150 can not be abutted with side wall 241 again, the two it
Between just produce the gap that pressure oil can be made to pass through.Under such set-up mode, as long as spool 2 is slightly towards second
Halbach array magnetic patch 4 is mobile, and side wall 241 would not abut again together with first step 150, at this time pressure oil
By gap between the two so that flushing effect of the invention it is more accurate compared to traditional spring overflow valve, it is sensitive,
Rapidly.
The first Halbach array magnetic patch 3 is connected with far from the side of the second Halbach array magnetic patch 4 and pushes away
Detachable connection type, the thrust bearing 5 can be used in power seat 5 between thrust bearing 5 and the second Halbach array magnetic patch 4
In in first cavity 110, being provided with second step 160 in first cavity 110, the thrust bearing 5 and described second
Step 160 abuts, and thrust bearing 5 is abutted with second step 160 so that thrust bearing 5 can not be towards the movement of the direction of oil outlet 130, institute
Thrust bearing 5 is stated for driving the first Halbach array magnetic patch 3 to rotate, first can be driven by rotary thrust seat 5
Halbach array magnetic patch 3 rotates, therefore thrust bearing 5 is fixedly connected with the first Halbach array magnetic patch 3, as the first Halbach
When array magnetic patch 3 rotates, the magnetic field between the first Halbach array magnetic patch 3 and the 2nd Halbach array magnetic patch 4 can generate change
Change, while magnetic field force between the two can also generate variation, and the first Halbach array magnetic patch 3 and the second Halbach array magnetic
Magnetic field force between block 4 be exactly pressure oil push spool 2 required for power, if therefore adjustment the first Halbach array magnetic patch 3 make
Magnetic field force between the first Halbach array magnetic patch 3 and the second Halbach array magnetic patch 4 is alterable, so as to adjust into
The oil pressure of pressure oil at hydraulic fluid port 120.
Adjustment gasket 6 in gap is folded between the thrust bearing 5 and the second step 160, gap adjustment gasket 6 is convenient for
Adjust the gap between thrust bearing 5 and second step 160.
It is a kind of precision instrument for adjusting oil pressure by overflow valve, it is therefore desirable to guarantee that the leakproofness of overflow valve is good, avoid
Because pressure oil leakage leads to accuracy decline, so being set with the first sealing ring 510, at the same time, the valve on stating thrust bearing 5
The surface of body 1 is arranged with the second sealing ring 170 and third sealing ring 180, and the first sealing ring 510,170 and of the second sealing ring is arranged
Third sealing ring 180 can guarantee the leakproofness of valve body 1 and thrust bearing 5.
One end of the oil outlet 130 is provided with locking nut 7 in the valve body 1, the locking nut 7 is located at institute
It states in valve body 1 and locking nut 7 is removably connect with the thrust bearing 5, locking nut 7 is kept away for that will fix thrust bearing 5
Exempt from thrust bearing 5 to move on the axis direction of valve body 1, avoids leading to 3 He of the first Halbach array magnetic patch because of the movement of thrust bearing 5
Second Halbach array magnetic patch 4 is mobile and then causes spool 2 mobile.
The surface of the valve body 1 is provided with the first positioning hole 190 that the first cavity 110 is extended radially to along valve body 1, institute
The surface for stating spool 2 is also equipped with second location hole corresponding with the first positioning hole 190, since the needs of spool 2 are mounted on
In valve body 1, if while first install spool 2 when, due to portions such as the first Halbach array magnetic patch 3, the second Halbach array magnetic patch 4
Part is not installed also, and spool 2 may be free to slide in the first cavity 110, therefore passes through setting first positioning hole 190 and second
Location hole, and positioning pin is inserted into first positioning hole 190, positioning pin extends in second location hole, it will be able to which spool 2 exists
It is fixed in valve body 1, convenient for being subsequently mounted the first Halbach array magnetic patch 3, the second Halbach array magnetic patch 4, thrust bearing 5 etc.
Component.
The present invention passes through the first Halbach array magnetic patch and the 2nd Halbach relative to traditional direct-acting overflow valve
Array magnetic patch substitutes traditional spring, has magnetic field force between the first Halbach array magnetic patch and the second Halbach array magnetic patch
The second Halbach array magnetic patch is enabled to apply a support force to spool, pressure oil is entered by the oil inlet on valve body, if
The oil pressure of pressure oil is greater than the magnetic field force pressure oil between the first Halbach array magnetic patch and the second Halbach array magnetic patch just
Spool can be pushed mobile towards the direction of the second Halbach array magnetic patch, be connected to oil inlet with oil outlet, so that
Partial pressure oil can be discharged from oil outlet, and the oil pressure of pressure oil can also reduce therewith, using the first Halbach array magnetic patch
It is more preferable relative to traditional spring stability and durability with the second Halbach array magnetic patch, while making the first Halbach array
Magnetic patch and the second Halbach array magnetic patch relatively rotate the magnetic field force that can be controlled between the two, to realize to pressure oil
Adjustment of oil pressure.
A specific embodiment of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (10)
1. a kind of thread cartridge overflow valve based on Halbach array magnetic patch, it is characterised in that: including valve body (1), spool (2),
First Halbach array magnetic patch (3) and the second Halbach array magnetic patch (4), the valve body (1) is interior to have the first cavity
(110), the oil inlet (120) and oil outlet (130) being connected to first cavity (110) are additionally provided on the valve body (1),
The spool (2) is movably disposed in the cavity (110) and separates the oil inlet (120) and oil outlet (130),
The first Halbach array magnetic patch (3) and the second Halbach array magnetic patch (4) are movably disposed at first cavity
(110) in, the second Halbach array magnetic patch (4) is located at the side of the first Halbach array magnetic patch (3) and the two
Repel each other, side and the spool of the second Halbach array magnetic patch (4) far from the first Halbach array magnetic patch (4)
(2) end abutment.
2. the thread cartridge overflow valve according to claim 1 based on Halbach array magnetic patch, it is characterised in that: described
Along the axially extending of valve body (1) in the valve body (1), the oil inlet (120) is arranged in the valve body first cavity (110)
(1) radially extending along valve body (1) in peripheral surface, and extend to the first cavity (110) of valve body (1), the oil outlet
(130) it is arranged on a side end face of the valve body (1).
3. the thread cartridge overflow valve according to claim 1 based on Halbach array magnetic patch, it is characterised in that: described
There is the second cavity (210) being extended along spool (2) axis, the surface of the spool (2) is provided with first in spool (2)
It is open (220) and the first opening (220) extends radially to the second cavity (210) along spool (2), the spool (2) is far from institute
The side end for stating the second Halbach array magnetic patch (4) is provided with the second opening (230), the first opening of the spool (2)
(220) there are gap (140) between the valve body (1) at, the surface of the spool (2) is provided with positioned at first opening
(220) groove (240) of side, the groove (240) are connected to the oil inlet (120).
4. the thread cartridge overflow valve according to claim 3 based on Halbach array magnetic patch, it is characterised in that: described
The side side wall (241) of groove (240) tilts, and the angle of the bottom surface of the side wall (241) and groove (240) is obtuse angle, described
Downwardly convex and with the groove (240) sloped sidewall (241) is provided in the first cavity (110) of valve body (1) to abut against
First step (150).
5. the thread cartridge overflow valve according to claim 1 based on Halbach array magnetic patch, it is characterised in that: described
The first Halbach array magnetic patch (3) be connected with thrust bearing (5) far from the side of the second Halbach array magnetic patch (4),
The thrust bearing (5) is located in first cavity (110), is provided with second step (160) in first cavity (110),
The thrust bearing (5) abuts with the second step (160), and the thrust bearing (5) is for driving first Halbach array
Magnetic patch (3) rotation.
6. the thread cartridge overflow valve according to claim 5 based on Halbach array magnetic patch, it is characterised in that: described
Gap adjustment gasket (6) is folded between thrust bearing (5) and the second step (160).
7. the thread cartridge overflow valve according to claim 5 based on Halbach array magnetic patch, it is characterised in that: described
The first sealing ring (510) are set on thrust bearing (5).
8. the thread cartridge overflow valve according to claim 5 based on Halbach array magnetic patch, it is characterised in that: described
Valve body (1) is provided with locking nut (7) far from the one end of the oil outlet (130), and the locking nut (7) is located at the valve body
(1) in and locking nut (7) is removably connect with the thrust bearing (5).
9. the thread cartridge overflow valve according to claim 1 based on Halbach array magnetic patch, it is characterised in that: described
The surface of valve body (1) is arranged with the second sealing ring (170) and third sealing ring (180).
10. the thread cartridge overflow valve according to claim 1 based on Halbach array magnetic patch, it is characterised in that: described
The surface of valve body (1) is provided with the location hole (190) that the first cavity (110) are extended radially to along valve body (1), the spool (2)
Surface be also equipped with second location hole corresponding with the first positioning hole (190).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910266296.4A CN110296116A (en) | 2019-04-03 | 2019-04-03 | A kind of thread cartridge overflow valve based on Halbach array magnetic patch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910266296.4A CN110296116A (en) | 2019-04-03 | 2019-04-03 | A kind of thread cartridge overflow valve based on Halbach array magnetic patch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110296116A true CN110296116A (en) | 2019-10-01 |
Family
ID=68026457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910266296.4A Pending CN110296116A (en) | 2019-04-03 | 2019-04-03 | A kind of thread cartridge overflow valve based on Halbach array magnetic patch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110296116A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005133744A (en) * | 2003-10-28 | 2005-05-26 | Wako Denshi Kk | Valve device |
| CN104948790A (en) * | 2014-03-26 | 2015-09-30 | 姚丽 | Rapid and stable direct-driving overflow valve |
| CN106895037A (en) * | 2017-04-20 | 2017-06-27 | 北京航空航天大学 | Permanent magnetic spring direct-acting overflow valve based on air gap combination |
| CN109253287A (en) * | 2018-10-30 | 2019-01-22 | 深圳市协鸿环保设备有限公司 | A kind of safety valve and its working method |
| CN209800392U (en) * | 2019-04-03 | 2019-12-17 | 成都航天烽火精密设备制造有限责任公司 | Thread plug-in overflow valve based on Halbach array magnetic block |
-
2019
- 2019-04-03 CN CN201910266296.4A patent/CN110296116A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005133744A (en) * | 2003-10-28 | 2005-05-26 | Wako Denshi Kk | Valve device |
| CN104948790A (en) * | 2014-03-26 | 2015-09-30 | 姚丽 | Rapid and stable direct-driving overflow valve |
| CN106895037A (en) * | 2017-04-20 | 2017-06-27 | 北京航空航天大学 | Permanent magnetic spring direct-acting overflow valve based on air gap combination |
| CN109253287A (en) * | 2018-10-30 | 2019-01-22 | 深圳市协鸿环保设备有限公司 | A kind of safety valve and its working method |
| CN209800392U (en) * | 2019-04-03 | 2019-12-17 | 成都航天烽火精密设备制造有限责任公司 | Thread plug-in overflow valve based on Halbach array magnetic block |
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