CN204114184U - A kind of bellows selfsealings Magnetic Cooperate Globe Valves - Google Patents
A kind of bellows selfsealings Magnetic Cooperate Globe Valves Download PDFInfo
- Publication number
- CN204114184U CN204114184U CN201420527166.4U CN201420527166U CN204114184U CN 204114184 U CN204114184 U CN 204114184U CN 201420527166 U CN201420527166 U CN 201420527166U CN 204114184 U CN204114184 U CN 204114184U
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- valve
- bellows
- valve rod
- selfsealings
- globe valves
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- Magnetically Actuated Valves (AREA)
- Lift Valve (AREA)
Abstract
A kind of bellows selfsealings of the utility model Magnetic Cooperate Globe Valves, relate to stop valve technical field, comprise valve body, the main valve clack being connected with valve rod is provided with in described valve body, secondary flap is provided with between described main valve clack and valve rod, described valve rod passes from the valve gap be connected with valve body, is provided with bellows between described valve rod and valve gap, and described valve stem tip is connected with coupling permanent magnet drive by Stem Mut; Be provided with seal ring and pendant collet between described valve gap and valve body, and be fixed on valve gap by pressing plate, screw bolt and nut, between seal ring and pressing plate, be provided with pad; The utility model product function is complete, sealing is reliable, adopts bellows and stainless steel 304 silk to add the double sealing configuration form of Expanded graphite, really accomplishes external zero leakage; The magnetic coupling control system of automatic limiting mechanism and electromagnetic induction coil is set, can opens at a distance or throttle down, be conducive to automation mechanized operation.
Description
Technical field
The utility model relates to stop valve technical field, is specifically related to a kind of bellows selfsealings Magnetic Cooperate Globe Valves.
Background technique
Existing stop valve, no matter be hand stop valve or Electric Actuated Stop Valves, structurally all be made up of parts such as valve body, flap, valve rod, seal arrangement and starting drives, wherein seal arrangement adopts packing seal at present, but there is two problems in using in packing seal: one is after filler wearing and tearing, dielectric leakage phenomenon is inevitable, and two is that filler needs to compress, and causes the torsion of valve to become large.
Model utility content
The purpose of this utility model is, a kind of bellows selfsealings Magnetic Cooperate Globe Valves is provided, under the operating mode of High Temperature High Pressure, good seal performance, zero leakage is reached to environmental energy, quick Flow-rate adjustment, be easy to the novel Magnetic Cooperate Globe Valves of High Temperature High Pressure Double-clack that operates simultaneously.
For solving the problems of the technologies described above, the technological scheme that the utility model is taked is: a kind of bellows selfsealings Magnetic Cooperate Globe Valves, comprise valve body, it is characterized in that: in described valve body, be provided with the main valve clack being connected with valve rod, secondary flap is provided with between described main valve clack and valve rod, described valve rod passes from the valve gap be connected with valve body, is provided with bellows between described valve rod and valve gap, and described valve stem tip is connected with coupling permanent magnet drive by Stem Mut.
Be provided with seal ring and pendant collet between described valve gap and valve body, and be fixed on valve gap by pressing plate, screw bolt and nut, between seal ring and pressing plate, be provided with pad.
Be provided with filler between described valve rod and valve gap, above filler, be provided with filler pressing sleeve and hold-down grid, and by bolt, nut, hold-down grid and valve gap are fastenedly connected.
Described valve rod is also provided with limit stoper, below limit stoper, is provided with torsional stop, and be fixed on valve rod by screw bolt and nut.
Described bellows, by being fastenedly connected with valve rod below welding manner, is fastenedly connected with valve gap above.
Described coupling permanent magnet drive comprises outer cover, and outer cover is inside and outside is provided with coil, and exterior loop is connected with circumscripted power line, and interior loop is fastened on Stem Mut by locking nut, Stem Mut by screw threads for fastening on valve rod.
Described main valve clack is provided with balancing hole, cross-drilled hole and vertical hole.
Compared with prior art, the beneficial effects of the utility model are:
1) the utility model product function is complete, sealing is reliable, the novel Magnetic Cooperate Globe Valves of High Temperature High Pressure bellows selfsealings Double-clack is provided with balancing hole, cross-drilled hole and vertical hole, the pressure of main valve clack inner chamber and body cavity is made to obtain equilibrium with pipeline pressure change during keying, laborsaving rapidly during opening and closing, be easy to adjust flow.Self sealing structure is adopted in the middle part of valve body, it is sealing material that stainless steel 304 silk adds Expanded graphite, when valve pocket pressure is larger, tighter to the compression of Sealing, sealing effect is better, valve stem seal adopts bellows and stainless steel 304 silk to add the double sealing configuration form of Expanded graphite, really accomplishes external zero leakage.
2) the utility model product safety is reliable, arranges the magnetic coupling control system of automatic limiting mechanism and electromagnetic induction coil, can open at a distance or throttle down, be conducive to automation mechanized operation.
3) the utility model product can Flow-rate adjustment, and Electromagnetic Coupling System coordinates the spacing of limit induction device, can freely control valve rod lifting position, achieves the keying height of flap, thus regulating and controlling pipeline flow.
4) the utility model product arranges automatic limit device and magnetic coupling drive unit control system, can open at a distance or throttle down, be conducive to automation mechanized operation.
Accompanying drawing explanation
Fig. 1 is the utility model product embodiments perspective structure schematic diagram;
Fig. 2 is the coupling permanent magnet drive structural representation of the utility model product embodiments;
Fig. 3 is the bellows structure schematic diagram of the utility model product embodiments;
Fig. 4 is the middle road self sealing structure schematic diagram of the utility model product embodiments;
Fig. 5 is the limit device structure schematic diagram of the utility model product embodiments;
In the drawings,
1, valve body; 2, main valve clack; 3, secondary flap; 4, valve rod; 5, bellows; 6, valve gap; 7, seal ring; 8, pendant collet; 9, support; 10, filler; 11, filler pressing sleeve; 12, hold-down grid; 13, bolt; 14, nut; 15, limit stoper; 16, Stem Mut; 17, be coupled permanent magnet drive; 18, pressing plate; 19, pad; 20, torsional stop; 21, coil; 22, circumscripted power line; 23, outer cover; 24, locking nut.
In figure arrow represent MEDIA FLOW to.
Embodiment
Composition graphs 1, for the example structure schematic diagram of a kind of bellows selfsealings of the utility model Magnetic Cooperate Globe Valves, it comprises valve body 1, the main valve clack 2 being connected with valve rod 4 is provided with in described valve body 1, secondary flap 3 is provided with between described main valve clack 2 and valve rod 4, described valve rod 4 passes from the valve gap 6 be connected with valve body 1, is provided with bellows 5 between described valve rod 4 and valve gap 6, and described valve rod 4 top is connected with coupling permanent magnet drive 17 by Stem Mut 16; Be provided with seal ring 7 and pendant collet 8 between described valve gap 6 and valve body 1, and be fixed on valve gap 6 by pressing plate 18, bolt 13 and nut 14, between seal ring 7 and pressing plate 18, be provided with pad 19; Be provided with filler 10 between described valve rod 4 and valve gap 6, filler 10 is provided with filler pressing sleeve 11 and hold-down grid 12 above, and hold-down grid 12 and valve gap 6 is fastenedly connected by bolt 13, nut 14; Described valve rod 4 is also provided with limit stoper 15, and limit stoper 15 is provided with torsional stop 20 below, and is fixed on valve rod 4 by bolt 13 and nut 14; Described bellows 5, by being fastenedly connected with valve rod 4 below welding manner, is fastenedly connected with valve gap 6 above; Described coupling permanent magnet drive 17 comprises outer cover 23, and outer cover 23 is inside and outside is provided with coil 21, and exterior loop 21 is connected with circumscripted power line 22, and interior loop 21 is fastened on Stem Mut 16 by locking nut 24, Stem Mut 16 by screw threads for fastening on valve rod 4.
Comprise technical parameter:
Nominal pressure: 10 ~ 32MPa;
Nominal bore: DN25 ~ DN200mm;
Applicable media: the media such as steam, water, oil product;
Serviceability temperature :-29 DEG C ~ 700 DEG C;
Working principle
Valve closing action: the novel Magnetic Cooperate Globe Valves of High Temperature High Pressure bellows selfsealings Double-clack is used for the operating mode of High Temperature High Pressure, valve rod 4 is under the closing motion of magnetic coupling drive unit 17, promote secondary flap 3 and main valve clack 2 is closed downwards, simultaneously medium from pressure to the thrust under main valve clack 2 outer radial, under two Action of Gravity Field, light fast shut-off pipeline medium, the closedown of valve before this, now the pressure medium of lumen increases, the Expanded graphite of road seal ring 7 during medium promotion valve gap 6 upwards compresses, pressure medium is larger, middle road seal ring 7 compresses tighter, the sealing of middle road is better.Bellows 7 one is welded on valve rod 4, and one is welded on valve gap 6, having cut off medium and extraneous contact, has added that the attached stuffing box packing 10 of second compresses, really having accomplished the double insurance without leaking outside.
Valve opening action: because main valve clack 2 is provided with balancing hole, cross-drilled hole and vertical hole, when doing breakdown action, under the active force that secondary flap 3 is opened at valve rod 4, leading unlatching, make valve lumen pressure medium from main valve clack 2 balancing hole, first let out the large pressure of part, pressure when lowering valve pocket medium fast, realizes easily opening fast.
Simple change and the replacement of those ordinary skill in the art are all within protection domain of the present utility model.
Claims (7)
1. a bellows selfsealings Magnetic Cooperate Globe Valves, comprise valve body (1), it is characterized in that: in described valve body (1), be provided with the main valve clack (2) being connected with valve rod (4), secondary flap (3) is provided with between described main valve clack (2) and valve rod (4), described valve rod (4) passes from the valve gap (6) be connected with valve body (1), bellows (5) is provided with between described valve rod (4) and valve gap (6), described valve rod (4) top is connected with coupling permanent magnet drive (17) by Stem Mut (16).
2. bellows selfsealings Magnetic Cooperate Globe Valves according to claim 1, it is characterized in that: between described valve gap (6) and valve body (1), be provided with seal ring (7) and pendant collet (8), and be fixed on valve gap (6) by pressing plate (18), bolt (13) and nut (14), be provided with pad (19) between seal ring (7) and pressing plate (18).
3. bellows selfsealings Magnetic Cooperate Globe Valves according to claim 1, it is characterized in that: between described valve rod (4) and valve gap (6), be provided with filler (10), filler (10) is provided with filler pressing sleeve (11) and hold-down grid (12) above, and hold-down grid (12) and valve gap (6) is fastenedly connected by bolt (13), nut (14).
4. bellows selfsealings Magnetic Cooperate Globe Valves according to claim 1, it is characterized in that: described valve rod (4) is also provided with limit stoper (15), limit stoper (15) is provided with torsional stop (20) below, and is fixed on valve rod (4) by bolt (13) and nut (14).
5. bellows selfsealings Magnetic Cooperate Globe Valves according to claim 1, is characterized in that: described bellows (5), by being fastenedly connected with valve rod (4) below welding manner, is fastenedly connected with valve gap (6) above.
6. bellows selfsealings Magnetic Cooperate Globe Valves according to claim 1, it is characterized in that: described coupling permanent magnet drive (17) comprises outer cover (23), outer cover (23) is inside and outside is provided with coil (21), exterior loop (21) is connected with circumscripted power line (22), interior loop (21) is fastened on Stem Mut (16) by locking nut (24), Stem Mut (16) by screw threads for fastening on valve rod (4).
7. bellows selfsealings Magnetic Cooperate Globe Valves according to claim 1, is characterized in that: described main valve clack (2) is provided with balancing hole, cross-drilled hole and vertical hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420527166.4U CN204114184U (en) | 2014-09-15 | 2014-09-15 | A kind of bellows selfsealings Magnetic Cooperate Globe Valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420527166.4U CN204114184U (en) | 2014-09-15 | 2014-09-15 | A kind of bellows selfsealings Magnetic Cooperate Globe Valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204114184U true CN204114184U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420527166.4U Expired - Fee Related CN204114184U (en) | 2014-09-15 | 2014-09-15 | A kind of bellows selfsealings Magnetic Cooperate Globe Valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204114184U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269849A (en) * | 2016-04-06 | 2017-10-20 | 上海电站阀门厂有限公司 | A kind of electronic air-out tube valve |
| CN109424776A (en) * | 2017-08-24 | 2019-03-05 | 中核苏阀科技实业股份有限公司 | The electronic bellows stop valve of core level-one |
| CN111765253A (en) * | 2020-06-16 | 2020-10-13 | 河南陶恩机械有限公司 | Corrugated pipe stop valve with double-valve-clack structure |
-
2014
- 2014-09-15 CN CN201420527166.4U patent/CN204114184U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269849A (en) * | 2016-04-06 | 2017-10-20 | 上海电站阀门厂有限公司 | A kind of electronic air-out tube valve |
| CN109424776A (en) * | 2017-08-24 | 2019-03-05 | 中核苏阀科技实业股份有限公司 | The electronic bellows stop valve of core level-one |
| CN111765253A (en) * | 2020-06-16 | 2020-10-13 | 河南陶恩机械有限公司 | Corrugated pipe stop valve with double-valve-clack structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170425 Address after: Yongjia Dong'ou County of Wenzhou City, Zhejiang province 325100 Street Ann Village Patentee after: Dazhong valve group energy Limited by Share Ltd Address before: Dong'ou Industrial Park, Oubei Town, Yongjia County, Wenzhou City, Zhejiang province 325100 Patentee before: Dazhong Valve Group Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20200915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |