CN2648216Y - Safety magnetic driving valve - Google Patents
Safety magnetic driving valve Download PDFInfo
- Publication number
- CN2648216Y CN2648216Y CN 03269314 CN03269314U CN2648216Y CN 2648216 Y CN2648216 Y CN 2648216Y CN 03269314 CN03269314 CN 03269314 CN 03269314 U CN03269314 U CN 03269314U CN 2648216 Y CN2648216 Y CN 2648216Y
- Authority
- CN
- China
- Prior art keywords
- valve
- magnetic ring
- worm
- valve rod
- outer magnetic
- 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.)
- Expired - Fee Related
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- Mechanically-Actuated Valves (AREA)
Abstract
A security magnetic transmission valve comprises a valve body, a valve core and a valve rod, the valve rod is connected with the valve core, the valve rod is connected with a transmission device, the transmission device comprises a handwheel, an outer magnetic ring, an inner magnetic ring, the middle between the outer magnetic ring and the inner magnetic ring is provided with an insulation cover, the handwheel is connected with the outer magnetic ring, the inner magnetic ring is fixedly connected with a worm, the worm is engaged with a worm wheel, the worm wheel is connected with the valve rod through an inner screw thread. When the handwheel is rotated, the outer magnetic ring is brought to rotate, as the magnetic force can mutually be attracted, the outer magnetic ring brings the inner magnetic ring to rotate, so the open and close of the valve are achieved. The worm, the worm wheel and the valve rod connected with the worm wheel are sealed in the sealing cover and the outer of the valve body. Every leaking point of the valve is designed to have a PTFE gasket, the whole valve is provided with a narrow space constituted by the inner sealing, the sealing cover and the insulation cover to prevent the medium leaking. The worm wheel and the worm structure have the advantages of saving labor and rapid speed, can prevent the closing down of the valve, and has the self-locking function.
Description
Technical field
The utility model belongs to industrial valve, particularly a kind of magnetic drives formula sealed valve.
Background technique
In existing industrial valve, although various mode of structure are arranged, the seal form of valve usually lost efficacy, and caused the leakage of valve.Strict and the poisonous post at some seal requests, because the seal failure of valve then causes chemical product to leak, befouling environment, even crisis personal safety.The technician expects adopting the sealing means of magnetic type to prevent seepage, and project organization is different, and effect is had nothing in common with each other, but does not all reach more satisfactory hermetically sealed effect.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of safety type magnetic drives valve, and sealing is tight, rapid operation.
A kind of safety type magnetic drives of the utility model valve, comprise valve body, spool, valve rod, valve rod is connected with spool, valve rod is connected with transmission device, it is characterized in that this transmission device comprises handwheel, outer magnetic ring, interior magnetosphere, has a separation sleeve between outer magnetic ring and the interior magnetosphere, handwheel is connected with outer magnetic ring, interior magnetosphere is fixedlyed connected with worm screw, the worm and wheel engagement, and worm gear is connected by internal thread with valve rod.
Preferred mode of structure is:
Described worm gear, worm screw and the valve rod that is connected with worm gear are sealed in outside valve body in the stuffing box gland, and stuffing box gland is fixed on the valve disc, and valve disc is fixedlyed connected with valve body.
Be added with bearing between valve rod and valve disc,, reduce friction so that valve rod moves flexibly.
Be provided with interior sealing between valve rod and valve body, interior sealing comprises filler and Gland, and valve pressure is high more, and the filler pressurized is also high more, seals also tightly more, and the sealing form has the self-tightening effect.
Surface of contact between stuffing box gland and valve disc, between separation sleeve and stuffing box gland, between valve disc and valve body is provided with sealing gasket, and sealing gasket has all been designed in each leak point of valve like this, with leakage-preventing.
Transmission principle of the present utility model is: when rotating handwheel, the drive outer magnetic ring rotates, because there is magnetic force to attract each other, magnetosphere rotated in outer magnetic ring drove, and interior magnetosphere rotation drive worm screw is rotated, and worm gear and worm screw are meshing with each other, worm gear rotates, worm gear inside has internal thread to match with valve rod, and valve rod can move up and down mentions spool, closes with the pass of finishing valve.According to the size of spool aperture, can carry out Flow-rate adjustment easily.
Advantage of the present utility model:
1, design principle is simple, is convenient to processing.
2, easy for installation, easy to use.
3, valve length and flange size are convenient to exchange with other valve by the GB design.
4, can be designed to various ways such as gate valve, stop valve, ball valve, be easy to promote and use.
5, sealing gasket has all been designed in each leak point of valve, with leakage-preventing.
6, design has interior sealing, has the self-tightening effect.
7, the velocity ratio design that worm gear and worm screw can be as required has laborsaving, advantage fast.The cooperation of worm gear, worm screw can prevent that valve from closing down, and has the function of self-locking.
8, whole valve has tight seal space, can prevent effectively that medium from leaking, and avoids environmental pollution, and the protection personal safety is a kind of new design of safety type valve.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view.
Among the figure: magnetosphere 17 separation sleeves 18 outer magnetic rings 19 stuffing box glands 20 bolts 21 handwheels in 1 stuffing box gland, 2 valve rods, 3 worm gears, 4 worm screws, 5 bearing glands, 6 bearings, 7 fillers, 8 Glands, 9 valve bodies, 10 spools, 11 sealing gaskets, 12 valve pockets, 13 bolts, 14 support nuts, 15 valve discs 16
Embodiment
Fig. 1 is to be example explanation the utility model with the gate valve, the valve of other structural type, and just the form of spool is different, and the form of spool is according to the prior art mode.
The utility model comprises valve body 9, spool 10, and spool 10 connects valve rod 2, and valve rod designs in valve body and between valve body interior sealing, comprises filler 7 and Gland 8.Filler can be selected materials such as tetrafluoro, asbestos packing for use, and valve pressure is high more, and the filler pressurized is also high more, seals also tightly more, and this seal form has the self-tightening effect.Outside valve body, valve rod 2 is the internal thread Placement with worm gear 3, worm gear 3 and worm screw 4 engagements.Worm gear 3, worm screw 4 and the valve rod that is connected with worm gear 3 are sealed in outside valve body in the stuffing box gland 1, and stuffing box gland 1 is fixed on the valve disc 15, and valve disc and valve body are fixed on the valve body by bolt 13.Magnetosphere 16 in stuffing box gland 1 outer worm screw 4 is fixed with, outer magnetic ring 18 and outer stuffing box gland 19 thereof are fixed on the stuffing box gland 1, and 16 designs of outer magnetic ring 18 and interior magnetosphere have separation sleeve 17, and separation sleeve 17 is fixed on the stuffing box gland 1, and handwheel 21 is connected with outer magnetic ring 18.The surface of contact that 15 of stuffing box gland 1 and valve discs, separation sleeve 17 and 1 of stuffing box gland, stuffing box gland 19 and 1 of stuffing box gland, valve disc 15 and valve body are 9 is provided with sealing gasket 11.
By above structure as can be seen, polytetrafluoroethylsealed sealed pad has all been designed in each leak point of valve, and whole valve is formed a tight space by interior sealing, stuffing box gland, separation sleeve, prevents that medium from leaking.
Working procedure is: rotate handwheel 21, driving outer magnetic ring 18 rotates, because there is magnetic force to attract each other, magnetosphere 16 rotated in outer magnetic ring 18 drove, and interior magnetosphere rotation drive worm screw 4 is rotated, and worm gear 3 is meshing with each other with worm screw 4, worm gear rotates, worm gear inside has internal thread to match with valve rod, and valve rod 2 can move up and down mentions spool 10, closes with the pass of finishing valve.According to the size of spool aperture, can carry out Flow-rate adjustment easily.
Claims (5)
1, a kind of safety type magnetic drives valve, comprise valve body, spool, valve rod, valve rod is connected with transmission device, it is characterized in that this transmission device comprises handwheel, outer magnetic ring, interior magnetosphere, worm gear, worm screw, between outer magnetic ring and the interior magnetosphere separation sleeve is arranged, handwheel is connected with outer magnetic ring, and interior magnetosphere is fixedlyed connected with worm screw, the worm and wheel engagement, worm gear is connected by internal thread with valve rod.
2, valve according to claim 1 is characterized in that described worm gear, worm screw and the valve rod that is connected with worm gear are sealed in the stuffing box gland outside valve body, stuffing box gland is fixed on the valve disc, and valve disc is fixedlyed connected with valve body.
3, valve according to claim 1 and 2 is characterized in that being added with bearing between valve rod and valve disc.
4, valve according to claim 1 and 2 is characterized in that being provided with between valve rod and valve body interior sealing.
5, valve according to claim 1 and 2 is characterized in that between stuffing box gland and valve disc, the surface of contact between separation sleeve and stuffing box gland, between valve disc and valve body is provided with sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03269314 CN2648216Y (en) | 2003-08-02 | 2003-08-02 | Safety magnetic driving valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03269314 CN2648216Y (en) | 2003-08-02 | 2003-08-02 | Safety magnetic driving valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2648216Y true CN2648216Y (en) | 2004-10-13 |
Family
ID=34330214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03269314 Expired - Fee Related CN2648216Y (en) | 2003-08-02 | 2003-08-02 | Safety magnetic driving valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2648216Y (en) |
-
2003
- 2003-08-02 CN CN 03269314 patent/CN2648216Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |