CN105318036B - Magnetic force thrust bearing valve - Google Patents
Magnetic force thrust bearing valve Download PDFInfo
- Publication number
- CN105318036B CN105318036B CN201510929455.6A CN201510929455A CN105318036B CN 105318036 B CN105318036 B CN 105318036B CN 201510929455 A CN201510929455 A CN 201510929455A CN 105318036 B CN105318036 B CN 105318036B
- Authority
- CN
- China
- Prior art keywords
- valve
- magnet
- valve rod
- movable magnet
- thrust bearing
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
Abstract
The invention provides a kind of magnetic force thrust bearing valve, including：Valve body, the valve element being arranged in valve body and it is fixedly connected to drive the valve rod of valve core rotation with valve element；Wherein, valve rod is provided with movable magnet, and valve body is provided with fixed magnet；Fixed magnet is relatively arranged on the side of the remote valve element of movable magnet, and fixed magnet is identical with the end face polarity close to each other of movable magnet, to apply the thrust towards valve element to valve rod.According to the electromagnetism principle that identical charges repel each other, fixed magnet and the necessarily mutually exclusive generation magnetic repulsion force of movable magnet, this magnetic repulsion force causes fixed magnet to produce the thrust towards valve core movement to movable magnet, because movable magnet is arranged on valve rod, this magnetic repulsion force can partly or entirely offset thrust of the Fluid pressure to valve rod, this reduces the valve rod moment of friction suffered when rotating, abrasion is reduced, the service life of valve components is extended.
Description
Technical field
The present invention relates to technical field of hydraulic elements, more particularly, to a kind of magnetic force thrust bearing valve.
Background technology
Fixed spherical ball valve is one of most commonly used valve of commercial Application.In fixed spherical ball valve, valve element has valve rod, branch
Axle is supportted, the two is fixed on valve body, and spool position is fixed, Fluid pressure can not make it produce displacement.Valve element both sides are valve seats,
Valve seat presses to valve element by means of the thrust of spring and fluid, sets up seal pressure.
The major function of this valve is turned off or connected the fluid passage in pipeline, by handle or drive device in valve
Apply certain torque on bar and be transmitted to valve element, be rotated by 90 ° it, the through hole of valve element is overlapped or hung down with valve channel center line
Directly, to realize valve wide open or fully closed action.
Torque on valve rod by partly constituting more, including the friction torque between valve rod and thrust bearing.
Valve inner pressure is higher than environmental pressure, so outside thrust is produced on valve rod, to prevent valve rod from being pushed away by this
Power and fly out, be designed with shoulder on valve rod, shoulder top sets thrust bearing, it is outside that thrust bearing limits it by stuffing-box
Axial movement.
Valve rod is under Fluid pressure effect, and its shoulder is close to and compresses thrust bearing end face, is just produced when valve rod rotates
Friction torque, (valve nominal pressure is used for representing the physics of compressive resistance of the valve under fiducial temperature to valve nominal pressure
Amount) it is bigger, friction torque is bigger, because frictional force is big, often occurs valve rod shoulder, thrust bearing and stuffing-box sintering, one
Denier is sintered, and valve cannot rotation work.
How this harmful friction torque is reduced to greatest extent, the technology for needing to solve as those skilled in the art
Problem.
The content of the invention
It is an object of the invention to provide a kind of magnetic force thrust bearing valve, to solve the valve rod in existing valve in rotation
When the big technical problem of friction square.
The present invention provides a kind of magnetic force thrust bearing valve, including：Valve body, the valve element being arranged in the valve body and with
The valve element is fixedly connected to drive the valve rod of the valve core rotation；
Wherein, the valve rod is provided with movable magnet, and the valve body is provided with fixed magnet；The fixed magnet is relative to be set
It is placed in the side of the remote valve element of the movable magnet, and the fixed magnet and the movable magnet is close to each other
End face polarity it is identical, the fixed magnet and the movable magnet produce magnetic repulsion force, to apply the valve rod towards institute
State the thrust of valve element.
Further, the valve rod is provided with groove, and the length direction of the bearing of trend of the groove and the valve rod hangs down
Directly, the movable magnet is inserted in the groove.
Further, one end of the valve body is provided with stuffing-box, and the bottom of the stuffing-box and described valve body one end are common
Form groove；
The valve rod is provided with the shoulder of outwardly convex, and the shoulder is located in the groove.
Further, the movable magnet is embedded in the shoulder；The fixed magnet is installed on the bottom of the stuffing-box
Portion.
Further, the fixed magnet is permanent magnet or electromagnet.
Further the movable magnet is permanent magnet or electromagnet.
Further, the fixed magnet on the end face close to each other of the movable magnet with being equipped with antifriction alloy
Layer.
Further, it is additionally provided with non-magnetic spacer between the fixed magnet and movable magnet.
Further, the fixed magnet and the movable magnet are multiple, multiple fixed magnets and multiple institutes
State movable magnet and correspond setting.
Further, the magnetic force thrust bearing valve also includes the support shaft being fixedly connected with the valve body, the branch
Support axle and the valve rod are relatively arranged on the both sides of the valve element；The support shaft is connected with the valve element；With the valve rod
The vertical direction of length direction on, be also sequentially provided with valve seat and bonnet outside the valve element；It is provided between the valve seat and bonnet
Seating spring and sealing ring.
The invention has the advantages that：
(1) the magnetic force thrust bearing valve that the present invention is provided includes fixed magnet and movable magnet, wherein, the fixed magnetic
Iron is relatively arranged on the side of the remote valve element of the movable magnet, and the fixed magnet and the movable magnet
End face polarity close to each other is identical, and according to the electromagnetism principle that identical charges repel each other, fixed magnet and movable magnet are necessarily mutually exclusive
Magnetic repulsion force is produced, this magnetic repulsion force causes fixed magnet to produce the thrust towards valve core movement to movable magnet, due to work
Moving magnet is arranged on valve rod, therefore, and this magnetic repulsion force also will be with ovable valve stem together towards valve core movement, this magnetic repulsion force
Thrust of the Fluid pressure to valve rod can be at least partly offset, the valve small to nominal pressure, this magnetic repulsion force can all be offset
Fluid pressure, this reduces the valve rod moment of friction suffered when rotating, reduces abrasion, extended to the thrust of valve rod
The service life of valve components.
(2) the big I of above-mentioned magnetic repulsion force is arranged as required to, and selection strength permanent magnet can improve the magnetic repulsion force.
When the magnetic repulsion force is more than fluid to the thrust of valve rod, there is interval between fixed magnet and movable magnet so that valve rod is turning
Hardly by moment of friction, at utmost reduction abrasion when dynamic.
(3) in the present invention, there is fixed magnet thrust bearing to reduce the effect of moment of friction, while produced to valve rod again
Thrust towards valve core movement reaches the use longevity for extending the valve components such as valve rod so as to further reduce moment of friction
Life.
(4) the magnetic force thrust bearing valve that the present invention the is provided moment of friction suffered in rotation due to reducing valve rod,
Thus avoid the failure that parts are mutually sintered.
(5) because the friction torque suffered by valve rod reduces, to the valve with drive device, it can be filled with the driving of selection of small
Put to drive valve rod to rotate, reduce drive device energy resource consumption, valve operation can be made flexibly light.
(6) the magnetic force thrust bearing valve mechanism that the present invention is provided is simple, ingenious in design, is simple to manufacture, cost is low, can be wide
It is general to be applied to other valve similar structures, and in the similar device of plant equipment.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation for the magnetic force thrust bearing valve that Fig. 1 provides for an embodiment of the present invention；
Fig. 2 is the enlarged drawing at A in Fig. 1.
Reference：
1- bonnets；2- valve bodies；
3- valve elements；4- support shafts；
5- valve seats；6- seating springs；
7- sealing rings；8- flat keys；
9- movable magnets；10- spacers；
11- fixed magnets；12- fillers；
13- stuffing-boxes；14- glands；
15- valve rods.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.Wherein, term " first position " and
" second place " is two different positions.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
The structural representation for the magnetic force thrust bearing valve that Fig. 1 provides for an embodiment of the present invention；Fig. 2 is in Fig. 1 at A
Enlarged drawing.
The present invention provides a kind of magnetic force thrust bearing valve, and as depicted in figs. 1 and 2, the magnetic force thrust bearing valve includes：
Valve body 2, the valve element 3 being arranged in the valve body 2 and it is fixedly connected to drive the valve that the valve element 3 is rotated with the valve element 3
Bar 15；Wherein, the valve rod 15 is provided with movable magnet 9, and the valve body 2 is provided with fixed magnet 11；The fixed magnet 11
It is relatively arranged on the side of the remote valve element 3 of the movable magnet 9, and the fixed magnet 11 and the movable magnet
9 end face polarity close to each other is identical, to apply the thrust towards the valve element 3 to the valve rod 15.
In the valve used, when the internal fluid pressure of valve body 2 is higher than environmental pressure, produced outwards on valve rod 15
Thrust, this thrust causes valve rod 15 in rotation, and the contact position of valve rod 15 and stuffing-box 13 produces sharp wear, reduces valve
Service life.
The magnetic force thrust bearing valve that the present invention is provided overcomes the defect of prior art, the magnetic force thrust that the present invention is provided
Bearing valve includes fixed magnet 11 and movable magnet 9, wherein, the fixed magnet 11 is relatively arranged on the movable magnet 9
The remote valve element 3 side, and the end face polarity phase close to each other of the fixed magnet 11 and the movable magnet 9
Together, according to the electromagnetism principle that identical charges repel each other, fixed magnet 11 and the necessarily mutually exclusive generation magnetic repulsion force of movable magnet 9 are this
Magnetic repulsion force causes fixed magnet 11 to produce the thrust moved towards valve element 3 to movable magnet 9, because movable magnet 9 is arranged at
On valve rod 15, therefore, this magnetic repulsion force will also be moved towards valve element 3 together with ovable valve stem 15, and this magnetic repulsion force can be at least
Partial offset Fluid pressure can all offset fluid to the thrust of valve rod 15, the valve small to nominal pressure, this magnetic repulsion force
Pressure, this reduces the moment of friction suffered when rotating of valve rod 15, reduces abrasion, extended to the thrust of valve rod 15
The service life of valve components.
The big I of above-mentioned magnetic repulsion force is arranged as required to, and selection strength permanent magnet can improve the magnetic repulsion force, when
When the magnetic repulsion force is more than fluid to the thrust of valve rod, there is interval between fixed magnet 11 and movable magnet 9 so that valve rod is turning
Hardly by moment of friction, at utmost reduction abrasion when dynamic.
In the present invention, fixed magnet 11 has the effect of thrust bearing reduction moment of friction, while produced to valve rod 15 again
The raw thrust moved towards valve element 3 reaches so as to further reduce moment of friction and extends making for the valve components such as valve rod 15
Use the life-span.
The magnetic force thrust bearing valve that the present invention the is provided moment of friction suffered in rotation due to reducing valve rod 15, because
And avoid the failure that parts are mutually sintered.
Further, since the friction torque suffered by valve rod 15 reduces, can be with the drive of selection of small to the valve with drive device
Dynamic device drives valve rod 15 to rotate, and reduces drive device energy resource consumption, valve operation can be made flexibly light.
The magnetic force thrust bearing valve mechanism that the present invention is provided is simple, ingenious in design, is simple to manufacture, cost is low, can be extensive
Applied to other valve similar structures, and in the similar device of plant equipment.
It is various suitable that magnetic force thrust bearing valve in the present invention is specifically as follows fixed spherical ball valve, regulating valve, gate valve etc.
Valve.
The installation site of movable magnet 9 and fixed magnet 11 has following various ways.
In the present embodiment, movable magnet 9 can be directly plugged in valve rod 15.Specifically, the valve rod 15 is provided with
Groove, the bearing of trend of the groove is vertical with the length direction of the valve rod 15, and the movable magnet 9 inserts the groove
In.Fixed magnet 11 is oppositely arranged and is fixed on valve body 2 with movable magnet 9.When on one end insertion valve rod 15 of movable magnet 9
Groove in when, the other end of movable magnet 9 may be inserted into valve body 2, the company of this structure portable propelling magnet 9 and valve rod 15
Connect, in addition, when the internal flow of valve body 2 promotes valve rod 15 to be moved away from valve element 3, movable magnet 9 also acts as the effect of shoulder,
The outward thrust and fixed magnet 11 that movable magnet 9 is made movable magnet 9 leave valve element by the internal flow generation of valve body 2 are produced
Make the inside thrust that movable magnet 9 is moved towards valve element 3, wherein, the inside thrust can offset partly or completely to
Extrapolability so that make a concerted effort (the i.e. inside thrust and outward thrust with joint efforts) acted on valve rod 15 is greatly reduced, and valve rod 15 exists
Moment of friction during rotation also significantly reduces.
The shape of movable magnet 9 of the shape of groove with inserting is adapted.For example, when groove is rectangle, movable magnet 9
Can be rectangle, movable magnet 9 is stretched into groove and can be connected with valve rod 15.
In addition, movable magnet 9 can also be embedded in valve rod 15, the grafting of movable magnet 9 and valve rod 15 is realized.In Fig. 2 institutes
In the embodiment shown, movable magnet 9 is embedded in valve rod 15, and movable magnet 9 is relatively fixed with valve rod 15.
In the present embodiment, specifically, one end (being close to one end of valve rod 15 in Fig. 1) of the valve body 2 is provided with filler
Letter 13, the bottom of the stuffing-box 13 is collectively forming groove with described one end of valve body 2；The valve rod 15 is provided with outwardly convex
Shoulder, the shoulder is located in the groove.The present embodiment applies the thrust towards valve element 3 by shoulder to valve rod 15.Play
The effect that anti-throw-out lever outwards flies out.
Specifically, as shown in figure 1, the half of the upper end section of valve body 2 is L-type, that is, the upper end of valve body 2 is a left side
Right symmetrical U-shaped, the bottom of stuffing-box 13 is plane, so that the upper end of valve body 2 and the bottom of stuffing-box 13 form U-shaped
Groove, shoulder, movable magnet 9 and fixed magnet 11 are commonly mounted in the U-type groove.
Preferably, as shown in figure 1, the movable magnet 9 is embedded in the shoulder；The fixed magnet 11 is installed on described
The bottom of stuffing-box 13.The present embodiment is not required to change original valve body 2 and stuffing-box 13, need to only be set on the shoulder of valve rod 15
The defect of prior art can be overcome by putting movable magnet 9 and installing fixed magnet 11 in the bottom of valve body 2 and stuffing-box 13, be reduced
The moment of friction that valve rod 15 is rotated, saves cost.
Specifically, mounting groove can be opened up on the end face of the close fixed magnet 11 of shoulder, movable magnet 9 is arranged on should
In mounting groove, movable magnet 9 can be interference fitted with the mounting groove, so that movable magnet 9 and valve rod 15 are connected firmly into one
Rise, the thrust that movable magnet 9 is subject to is directly passed to valve rod 15.
More specifically, as shown in figure 1, stuffing-box 13 is loaded on the top of valve body 2, stuffing-box 13 is built with filler 12, by pressing
Lid 14 compresses filler 12 and sealed.It can be achieved a fixed connection between gland 14 and stuffing-box 13 by fasteners such as bolts.
In the present invention, the fixed magnet 11 can be made of permanent magnet, it would however also be possible to employ electromagnet is made.Can root
Flexibly to select the species of fixed magnet 11 according to the use occasion of valve.
When fixed magnet 11 is using electromagnet (electromagnet includes iron core and the coil being wrapped on iron core), only work as electricity
When magnet is powered, electromagnet just has magnetic, and magnetic repulsion force, such a feelings can be just produced between movable magnet 9 and fixed magnet 11
Condition is adapted to the occasion that valve need not be adjusted frequently, and the master control valve of such as some systems, the general no power of electromagnet works as needs
During control valve, electromagnet is powered, then rotation valve rod 15 is adjusted and (for example opens valve or close valve), works as valve
After door regulation is finished, just it can power off electromagnet, convenient use.
When fixed magnet 11 is using permanent magnet, is produced all the time between fixed magnet 11 and movable magnet 9 and promote valve rod 15
The magnetic repulsion force moved towards valve element 3, valve rod 15, can be by magnetic repulsion force, to offset fluid to valve rod in each rotate
15 thrust.When such a situation is adapted to the occasion that valve needs are frequently adjusted, such as regulating valve, the structure does not need deployment line
Circle, simplifies structure, saves cost.
In the present invention, the movable magnet 9 is made of permanent magnet or electromagnet.Can be according to the use occasion of valve
Flexibly to select the species of movable magnet 9.Movable magnet 9 is using principle when permanent magnet or electromagnet and last time fixed magnet 11
Identical, here is omitted.
Movable magnet 9 and fixed magnet 11 can be electromagnet or be permanent magnet.In being preferable to carry out shown in Fig. 1
In mode, fixed magnet 11 is electromagnet, and movable magnet 9 is permanent magnet, by adjusting the break-make electricity condition of fixed magnet 11 i.e.
It may choose whether to apply the thrust moved towards valve element 3 to push rod.Movable magnet 9 can use strength permanent magnet.
Preferably, the fixed magnet 11 on the end face close to each other of the movable magnet 9 with being equipped with antifriction alloy
Layer.Wear-resistant alloy layer improves the anti-wear performance of fixed magnet 11 and movable magnet 9, reduces abrasion, extends the magnetic force and stops
The service life of thrust bearing valve.Can the spraying plating on the end face relative to each other and close of fixed magnet 11 and movable magnet 9
Wear-resistant alloy layer, so as to form wear-resistant alloy layer.The wear-resistant alloy layer is specifically as follows nickel-base alloy.
The magnetic for causing influence to apply valve rod 15 to prevent from contacting for a long time between fixed magnet 11 and movable magnet 9
Property repulsion, in the present embodiment, non-magnetic spacer 10 is additionally provided between the fixed magnet 11 and movable magnet 9.Isolation
Piece 10 prevents fixed magnet 11 and movable magnet 9 to contact and influence magnetic.The material of spacer 10 is specially ceramics, plastics
Deng.The surface of spacer 10 can do smooth treatment, with the frictional force reduced and between fixed magnet 11 and movable magnet 9.
Preferably, the fixed magnet 11 and the movable magnet 9 can be with one or more.When fixed magnet 11 and work
When moving magnet 9 is multiple, the multiple fixed magnets 11 and multiple movable magnets 9, which are corresponded, to be set.Multiple fixations
Magnet 11 and multiple movable magnets 9, which coordinate, can produce stronger magnetic repulsion force, increase the thrust to valve rod 15, when the public affairs of valve
It is especially suitable when claiming pressure larger.
It is highly preferred that outer peripheral face of multiple movable magnets 9 along the valve rod 15 is uniformly arranged, with the week to valve rod 15
Side produces uniform thrust.
In the embodiment shown in fig. 1, fixed magnet 11 and movable magnet 9 are 1.
In addition, magnet shape can be a variety of, rectangle, it is square etc..
Preferably, fixed magnet 11, movable magnet 9, spacer 10 surface it is smooth, further to reduce friction
Torque.
In addition, as shown in figure 1, the valve element 3 can be fixedly connected with shown valve rod 15 by flat key 8, realizing valve rod 15
With being fixedly connected for valve element 3, valve rod 15 is rotated with the driving valve element 3 of flat key 8.
In the present embodiment, magnetic force thrust bearing ball valve also includes the support shaft 4 being fixedly connected with the valve body 2, such as Fig. 1
Shown, the support shaft 4 and the valve rod 15 are relatively arranged on the both sides of the valve element 3, the support shaft 4 and the valve element 3
Connection.Valve element 3 can be located at the center of valve body 2, and valve element 3 is fixed on valve body 2 by valve rod 15 and support shaft 4,
In addition, magnetic force thrust bearing ball valve also includes valve seat 5 and bonnet 1, vertical with the length direction of the valve rod 15
Direction on, the valve element 3 is outer to be also sequentially provided with valve seat 5 and bonnet 1；Seating spring 6 is provided between the valve seat 5 and bonnet 1
With sealing ring 7.Two valve seats 5 are placed in the left and right sides of valve element 3, and valve seat 5 is installed in bonnet 1, and seating spring 6 promotes valve with elastic force
Seat 5 is adjacent to valve element 3, and sealing ring 7 is located between valve seat 5 and bonnet 1.Sealing ring 7 can be rubber seal, such as O-shaped rubber
Sealing ring.
Magnetic force thrust bearing ball valve can also including screw-nut etc. parts.
As shown in Figure 1, stuffing-box 13 is placed in the top of valve body 2, and the top of valve element 3 is equipped with valve rod 15, and valve rod 15 passes through the band of flat key 8
Movable valve plug 3 is rotated, and the bottom of valve element 3 is equipped with support shaft 4, and valve element 3 is fixed on valve body 2 by valve rod 15 and support shaft 4, valve
The top of body 2 sets fixed magnet 11, and fixed magnet 11 is installed on the top of valve body 2, is placed under the shoulder of valve rod 15 and stuffing-box 13
Between end face, embedded movable magnet 9 in the pit of the shoulder of valve rod 15 is set between movable magnet 9 and fixed magnet 11
Non-magnetic spacer 10, two valve seats 5 are located at the both sides of valve element 3, and valve seat 5 is installed in bonnet 1, and seating spring 6 is placed in the end of valve seat 5
In the spring eye in face, the elastic force of seating spring 6 makes valve seat 5 be pressed on valve element 3, and sealing ring is provided between valve seat 5 and bonnet 1
7。
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of magnetic force thrust bearing valve, it is characterised in that including：Valve body, the valve element being arranged in the valve body and with
The valve element is fixedly connected to drive the valve rod of the valve core rotation；
Wherein, the valve rod is provided with movable magnet, and the valve body is provided with fixed magnet；The fixed magnet is relatively arranged on
The side of the remote valve element of the movable magnet, and the end close to each other of the fixed magnet and the movable magnet
Face polarity is identical, and the fixed magnet produces magnetic repulsion force with the movable magnet, to apply the valve rod towards the valve
The thrust of core.
2. magnetic force thrust bearing valve according to claim 1, it is characterised in that the valve rod is provided with groove, described
The bearing of trend of groove is vertical with the length direction of the valve rod, and the movable magnet is inserted in the groove.
3. magnetic force thrust bearing valve according to claim 1, it is characterised in that one end of the valve body is provided with filler
Letter, the bottom of the stuffing-box is collectively forming groove with described valve body one end；
The valve rod is provided with the shoulder of outwardly convex, and the shoulder is located in the groove.
4. magnetic force thrust bearing valve according to claim 3, it is characterised in that the movable magnet is embedded in the shoulder
In；The fixed magnet is installed on the bottom of the stuffing-box.
5. the magnetic force thrust bearing valve according to any one of claim 1-4, it is characterised in that the fixed magnet is
Permanent magnet or electromagnet.
6. magnetic force thrust bearing valve according to claim 5, it is characterised in that the movable magnet be permanent magnet or
Electromagnet.
7. the magnetic force thrust bearing valve according to any one of claim 1-4, it is characterised in that the fixed magnet with
Wear-resistant alloy layer is equipped with the end face close to each other of the movable magnet.
8. the magnetic force thrust bearing valve according to any one of claim 1-4, it is characterised in that the fixed magnet and
Non-magnetic spacer is additionally provided between movable magnet.
9. the magnetic force thrust bearing valve according to any one of claim 1-4, it is characterised in that the fixed magnet and
The movable magnet is multiple, and multiple fixed magnets and multiple movable magnets are corresponded and set.
10. the magnetic force thrust bearing valve according to any one of claim 1-4, it is characterised in that also including with it is described
The support shaft that valve body is fixedly connected, the support shaft and the valve rod are relatively arranged on the both sides of the valve element；The support shaft
It is connected with the valve element；Also be sequentially provided with the direction vertical with the length direction of the valve rod, outside the valve element valve seat and
Bonnet；Seating spring and sealing ring are provided between the valve seat and bonnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510929455.6A CN105318036B (en) | 2015-12-15 | 2015-12-15 | Magnetic force thrust bearing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510929455.6A CN105318036B (en) | 2015-12-15 | 2015-12-15 | Magnetic force thrust bearing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105318036A CN105318036A (en) | 2016-02-10 |
| CN105318036B true CN105318036B (en) | 2017-10-24 |
Family
ID=55246048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510929455.6A Active CN105318036B (en) | 2015-12-15 | 2015-12-15 | Magnetic force thrust bearing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105318036B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889553A (en) * | 2016-07-04 | 2016-08-24 | 岳阳东方自控工程设备有限公司 | Ball valve with external mechanism for preventing valve rod from being blown out |
| CN108869782A (en) * | 2018-07-01 | 2018-11-23 | 张大伟 | A kind of modernization green house of vegetables spraying system valve |
| CN114856990B (en) * | 2022-07-07 | 2022-10-18 | 四川蓝梵环保科技有限公司 | Check valve and sewage pump with same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW437886U (en) * | 2000-11-30 | 2001-05-28 | Metal Ind Res & Dev Ct | Ball valve with magnetic activating vale seat type leakage proof device |
| KR20070037594A (en) * | 2007-02-26 | 2007-04-05 | 김상한 | Air leak prevent ball valae |
| CN204042058U (en) * | 2014-09-03 | 2014-12-24 | 自贡自高阀门有限公司 | A kind of light moment of torsion steel PE ball valve |
| CN204692713U (en) * | 2015-06-05 | 2015-10-07 | 欧维克集团有限公司 | Magnetic coupling quarter-turn valve |
| CN204692634U (en) * | 2015-05-06 | 2015-10-07 | 浙江理工大学 | A kind of Novel magnetic controlled ball valve |
| CN204828757U (en) * | 2015-08-08 | 2015-12-02 | 浙江万士通阀门有限公司 | Two formula ball valves of ultralight moment of torsion |
| CN205207752U (en) * | 2015-12-15 | 2016-05-04 | 岳阳东方自控工程设备有限公司 | Magnetic force footstep bearing valve |
-
2015
- 2015-12-15 CN CN201510929455.6A patent/CN105318036B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW437886U (en) * | 2000-11-30 | 2001-05-28 | Metal Ind Res & Dev Ct | Ball valve with magnetic activating vale seat type leakage proof device |
| KR20070037594A (en) * | 2007-02-26 | 2007-04-05 | 김상한 | Air leak prevent ball valae |
| CN204042058U (en) * | 2014-09-03 | 2014-12-24 | 自贡自高阀门有限公司 | A kind of light moment of torsion steel PE ball valve |
| CN204692634U (en) * | 2015-05-06 | 2015-10-07 | 浙江理工大学 | A kind of Novel magnetic controlled ball valve |
| CN204692713U (en) * | 2015-06-05 | 2015-10-07 | 欧维克集团有限公司 | Magnetic coupling quarter-turn valve |
| CN204828757U (en) * | 2015-08-08 | 2015-12-02 | 浙江万士通阀门有限公司 | Two formula ball valves of ultralight moment of torsion |
| CN205207752U (en) * | 2015-12-15 | 2016-05-04 | 岳阳东方自控工程设备有限公司 | Magnetic force footstep bearing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105318036A (en) | 2016-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105318036B (en) | Magnetic force thrust bearing valve | |
| CN104930212A (en) | Novel magnetic control ball valve | |
| CN205173535U (en) | Electromagnetic drive's sealing gate valve | |
| CN104482253A (en) | Combined valve | |
| CN105202210B (en) | The valving of magnetically-actuated | |
| CN208871129U (en) | A kind of magnetic-type starting pressure regulation ball valve | |
| CN210088047U (en) | Magnetic repulsion force pressure-equalizing wear-resistant magnetic transmission driving wedge type parallel double-gate-plate gate valve | |
| CN205207752U (en) | Magnetic force footstep bearing valve | |
| CN204985947U (en) | Electromagnetic drive's class valving | |
| CN217736294U (en) | High-strength wafer type sealing butterfly valve | |
| CN204692634U (en) | A kind of Novel magnetic controlled ball valve | |
| CN205173529U (en) | Motor gearbox drive's sealing gate valve | |
| CN205618721U (en) | Fixed ball valve | |
| CN205173675U (en) | Hand wheel driven class valving | |
| CN210600232U (en) | Magnetic attraction sealed gate valve | |
| CN204372210U (en) | A kind of valve rod with universal joint | |
| CN203743449U (en) | Demountable flange butterfly valve | |
| CN204061983U (en) | A kind of low moment of torsion fixes spherical ball valve without wearing and tearing forced seal | |
| CN205173528U (en) | Hand wheel driven sealing gate valve | |
| CN205918978U (en) | Pneumatic control valve | |
| CN205173636U (en) | Motor gearbox drive's class valving | |
| CN205654904U (en) | Eccentric half -ball valve | |
| CN202109072U (en) | Self-holding magnetic valve | |
| CN204692713U (en) | Magnetic coupling quarter-turn valve | |
| CN205918949U (en) | Pneumatic control valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |