CN2802208Y - Safety leakage permanent-magnet driving valve - Google Patents
Safety leakage permanent-magnet driving valve Download PDFInfo
- Publication number
- CN2802208Y CN2802208Y CN 200520055780 CN200520055780U CN2802208Y CN 2802208 Y CN2802208 Y CN 2802208Y CN 200520055780 CN200520055780 CN 200520055780 CN 200520055780 U CN200520055780 U CN 200520055780U CN 2802208 Y CN2802208 Y CN 2802208Y
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- China
- Prior art keywords
- valve
- spool
- magnetic core
- magnetic
- leakage
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- Expired - Lifetime
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Abstract
The utility model discloses a safety no-leakage permanent-magnet driving valve, which comprises a valve casing, a valve core and a valve core controller, wherein the valve casing is made of non-excited materials and is composed of three sections of an input pipe, an output pipe and a valve body. The valve core comprises a magnetic core arranged in an inner cavity of the valve body and a sealing strip, wherein the magnetic core is made of magnetic materials; the valve core controller is made of magnetic materials, is sheathed outside the valve casing and controls the sliding of the magnetic core through the magnetism; the valve core also comprises a valve opening spring of which one end is clamped and fixed on the inner wall of the output pipe of the valve casing and the other end is fixedly connected with the sealing strip. The utility model has the advantages that the operation is extremely portable, the utility model is firm and durable, the gas can not externally leak from the valve body, the structure is simple, the manufacture is convenient, the valve has the overpressure protection and the overtemperature protection, therefore the use is safe.
Description
Technical field
The utility model discloses a kind of gas valve, particularly a kind of nothing with superpressure, overtemperature automatic protection functions is leaked permanent magnet drive valve.
Background technique
Existing application is in the industry or the civilian valve of fluid passage, and is comparatively common with stopcock.Owing in use rotate repeatedly, rub between the valve body of stopcock and the spool, contact surface abrasion consumption causes both fitting surface gaps to increase, thereby the escape of liquid phenomenon occurs, is difficult to effective block fluid, not only caused the wasting of resources, volt has descended potential safety hazard especially.
The applicant once researched and developed out a kind of permanent magnetism and drives and do not have the gas valve of leakage, had applied for Chinese utility model patent, and had obtained mandate, and the patent No. is ZL98 2 3405.4, and patent announcement number is CN2336166y, and notice of authorization day is on September 1st, 1999.This valve is made up of valve body, spool and spool controller, and the spool controller is installed outside valve body, is made of upper and lower magnetic patch and spool controller shell.Spool places in the valve cavity and internal magnetic core.The spool controller by magnetic patch up and down to the magnetic action of magnetic core with making valve opening or closing.This permanent magnet drive valve is easy to use, is subjected to user's favorable comment.But because the spool controller is to utilize the spool controller shell that upper and lower magnetic patch is fixed in the valve body periphery, comparatively inconvenience on processing and fabricating causes processing cost to increase.This valve is with the overload protection function of superpressure, overtemperature, and malfunctioning because of decompressor when pipe network, or valve is when being in flame, and valve can not closed automatically, therefore also has potential safety hazard in design.
Summary of the invention
The purpose of this invention is to provide a kind of safety and do not have the permanent magnet drive valve of leakage with overtemperature, superpressure automatic protection functions.
In order to realize the foregoing invention purpose, the utility model has adopted following technological scheme: a kind of safety does not have the permanent magnet drive valve of leakage, comprise valve casing, spool and spool controller, valve casing is by the non-magnetic made that is subjected to, by supplying tube, three sections compositions of output tube and valve body, spool comprises magnetic core and the diaphragm seal that is placed in body cavity, magnetic core is by the magnetic material manufacturing, the spool controller cover is located at outside the valve casing, by the magnetic material manufacturing, by the slip of magnetic control magnetic core, it is characterized in that: described spool also comprises a valve opening spring, one end card is established and is fixed in the output tube inwall, the fixedly connected described diaphragm seal of the other end.
Advantage of the present utility model is: there is not the phase mutual friction in (1) owing to spool, spool controller are separated from each other, and the motion of spool is finished by the repulsive force of spool and controller generation, does not have surface friction drag, so operation is very light; (2) sturdy and durable, through friction-wear test 10,000,000 times, diaphragm seal reduces as before; Therefore (3) because valve body is in hermetically sealedly, do not exist gas from valve body toward external leakage; (4) simple in structure, processing and fabricating is convenient; (5) valve band overpressure protection, when pipe network hinders for some reason, pressure raises, valve will be closed automatically; (6) because valve band overtemperature prote, when fire appears in the user, the valve body temperature rises to design temperature, and valve will be closed automatically, and is safe in utilization.
Description of drawings
Fig. 1 is the utility model valve casing structural representation.
Fig. 2 is the structural representation of the utility model when being in normal open.
Fig. 3 is that the utility model is in the structural representation when normally closing.
Fig. 4 is the structural representation that the utility model is in the automatic closed condition of superpressure.
Fig. 5 is the structural representation that the utility model is in the automatic closed condition of high temperature.
Fig. 6 is that the A of Fig. 2 is to cut-away view.
Fig. 7 is embodiment one overtemperature prote device STRUCTURE DECOMPOSITION figure.
Fig. 8 is the diaphragm seal structural representation.
Fig. 9 is embodiment two overtemperature prote device STRUCTURE DECOMPOSITION figure.
Figure 10 is embodiment two a valve mechanism schematic representation.
Embodiment
The utility model especially is suitable for gaseous fluid, as combustion gas, now describes with using to example in gaseous fluid.
Embodiment one
To shown in Figure 6, valve of the present utility model comprises valve casing 1, spool, reaches spool controller 3 as Fig. 1.The non-magnetic made that is subjected to of valve casing 1 usefulness is divided into three joints, and a joint is a supplying tube, a joint output tube, and also having a joint is to be positioned at middle valve body.The joint of output tube and body cavity is provided with the sealing seat 15 of giving vent to anger.At supplying tube and valve outer wall joint is the moving hexagonal 16 of plate, and spool controller 3 is subjected to the spacing of the moving hexagonal 16 of plate, can only slide along valve outer wall.The supplying tube inwall offers transverse groove 14.Spool comprises magnetic core 2, diaphragm seal 5 and the valve opening spring 4 that is placed in body cavity.Magnetic core 2 usefulness magnetic materials are made.Valve opening spring 4 one end cards are established and are fixed in valve casing 1 output tube inwall, the other end fixed connection and sealing sheet 5.As shown in Figure 6, the body cavity wall is evenly equipped with the magnetic core guide rail 12 of at least three projections, interior circle that is surrounded and magnetic core 2 movingly, magnetic core guide rail 12 is used for the location of magnetic core and makes magnetic core 2 and body cavity wall reserve the annular space, for passing through of fluid.Spool controller 3 is ring-types made from magnetic material, and its internal diameter becomes movingly with the outer wall of valve body 1.Polarity was identical when spool controller 3 and magnetic core 2 installed, when spool controller 3 when valve body 1 outer wall slides, understanding repel each other because of the magnetic pole same sex forces magnetic core 2 oppositely to slide against valve body.
Output tube at valve casing 1 is installed on valve opening spring 4.As shown in Figure 8, valve opening spring 4 is a Different diameter spring, and an end card is established and is fixed in output tube, and the other end of minor diameter is followed closely 52 one-tenth drive fits with the protruding glue of diaphragm seal 5 upper bottom surfaces.The bottom surface of diaphragm seal 5 is provided with projection 51.Be installed on spool limit spring 6 in the valve body.In the present embodiment, spool limit spring 6 is the turriform spring, and the end card that diameter is big is established the transverse groove 14 that is fixed in valve interior wall.Also be installed on filter screen 10 and jump ring 11 in the transverse groove 14.
Be illustrated in figure 7 as the overtemperature prote device, limit temperature meson 7 and the overtemperature prote device shell 9 made by overtemperature prote spring 8, with plastics are formed.Overtemperature prote device shell 9 is fixedly installed in valve casing 1 outer wall, and overtemperature prote spring 8 is fixed in the overtemperature prote device shell 9 by the warm meson 7 of limit.
Now specify open and close mode of the present utility model in conjunction with Fig. 2～Fig. 5.
Be illustrated in figure 2 as the normal opening state of valve.At this moment, spool controller 3 is shifted to output tube, because magnetic core 2 is subjected to the homopolar-repulsion active force of spool controller 3 to be pushed to supplying tube, and magnetic core 2 also is subjected to the tension force effect of spool retaining spring 6 simultaneously, when equal, magnetic core is still in the end face of spool retaining spring 6 when stressed.Diaphragm seal 5 has been subjected to opening the thrust of spring 4 and has pressed to magnetic core 2, has broken away from the port of the sealing seat 15 of giving vent to anger.At this moment, gas can enter valve body from the supplying tube of valve, and the gap between magnetic core 2 and guide rail 12 passes through, from the port flow of the sealing seat 15 of giving vent to anger to output tube.
Be illustrated in figure 3 as the normal closed condition of valve.At this moment, spool controller 3 is shifted to supplying tube, because magnetic core 2 is subjected to the homopolar-repulsion active force of spool controller 3 to be pushed to output tube, diaphragm seal 5 one sides have been subjected to the pressure effect of magnetic core 2, another side is subjected to opening the tension force effect of spring 4, and the pressure effect is greater than the tension force effect, diaphragm seal 5 is still in give vent to anger the port of sealing seat 15, with the output tube sealing, cut off gas and from valve body, flowed to output tube.
The automatic closed condition of valve during as shown in Figure 4, for the superpressure state.When valve was in opening state, if air pressure is in the superpressure state, then the pressurized gas in the valve body will be pushed diaphragm seal 5 to output tube.When gas pressure in the valve body when opening the tension force of spring 4, diaphragm seal 5 will be still in the port of the sealing seat 15 of giving vent to anger, and with the output tube closure of openings, thereby reaches the effect that superpressure is closed automatically.
The automatic closed condition of valve during as shown in Figure 5, for the overtemperature state.When valve is in opening state, if valve is in hot environment, limit warm meson 7 to be subjected to hot mastication to melt distortion, overtemperature prote spring 8 promptly can eject, and spool controller 3 is pushed import to pipe end.At this moment magnetic core 2 is subjected to the effect of repelling each other of spool controller magnetic and pushes export pipe end to, and diaphragm seal 5 is promptly blocked the port of the sealing seat 15 of giving vent to anger, and with the output tube closure of openings, thereby reaches the effect that overtemperature is closed automatically.
Embodiment two
Be illustrated in figure 9 as the overtemperature prote device of another profile, form by overtemperature prote spring 8, the warm meson 7 of limit and overtemperature prote device shell 9.Overtemperature prote device shell 9 fixed covers are located at valve body 1 outer wall, and shell 9 sidewalls offer cannelure.Spool controller 3 covers at overtemperature prote device shell 9 inside, can promote spool controller 3 and slides up and down along valve outer wall by being piercing in the outer folder of cannelure.Overtemperature prote spring 8 is fixed in overtemperature prote device shell 9 one ends by the warm meson 7 of limit.
Be the valve that adopts the overtemperature prote device form of Fig. 9 as shown in figure 10, all the other structures are identical with embodiment one.Because spool controller 3 covers at valve positioner shell 9 inside fully, so the outward appearance of valve is more succinct, more compact structure is operated more smooth and easy.
Claims (6)
1, a kind of safety does not have the permanent magnet drive valve of leakage, comprises valve casing, spool and spool controller (3), and valve casing is by the non-magnetic made that is subjected to, form for three sections by supplying tube, output tube and valve body, spool comprises magnetic core (2) and the diaphragm seal (5) that is placed in body cavity, and magnetic core (2) is by the magnetic material manufacturing
Spool controller (3) is sheathed on outside the valve casing by the magnetic material manufacturing, by the slip of magnetic control magnetic core,
It is characterized in that:
Described spool also comprises a valve opening spring (4), and an end card is established and is fixed in described valve casing output tube inwall, the fixedly connected described diaphragm seal of the other end (5).
2, safety according to claim 1 does not have the permanent magnet drive valve of leakage, and it is characterized in that: described valve interior wall is evenly equipped with at least three magnetic core guide rails (12), and interior circle that guide rail (12) is surrounded and magnetic core (2) are movingly.
3, safety according to claim 1 does not have the permanent magnet drive valve of leakage, and it is characterized in that: polarity was identical when described magnetic core (2) was installed with spool controller (3).
4, safety according to claim 1 does not have the permanent magnet drive valve of leakage, and it is characterized in that: described spool also comprises a spool limit spring (6), and valve interior wall offers transverse groove (14), and spool limit spring (6) is arranged in transverse groove (14).
5, safety according to claim 1 does not have the permanent magnet drive valve of leakage, it is characterized in that: described diaphragm seal (5) is provided with projection (51) with the surface of contact of magnetic core (2).
6, safety according to claim 1 does not have the permanent magnet drive valve of leakage; it is characterized in that: valve outer wall is arranged with overtemperature protection device; described overtemperature protection device comprises an overtemperature prote device shell (9), an overtemperature prote spring (8) and limit warm meson (7), limits warm meson (7) that overtemperature prote spring (8) compression is fixed in the overtemperature prote device shell (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520055780 CN2802208Y (en) | 2005-03-18 | 2005-03-18 | Safety leakage permanent-magnet driving valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520055780 CN2802208Y (en) | 2005-03-18 | 2005-03-18 | Safety leakage permanent-magnet driving valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2802208Y true CN2802208Y (en) | 2006-08-02 |
Family
ID=36846916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520055780 Expired - Lifetime CN2802208Y (en) | 2005-03-18 | 2005-03-18 | Safety leakage permanent-magnet driving valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2802208Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639126A (en) * | 2009-08-28 | 2010-02-03 | 吕炳权 | Dual-sealed leakage-proof permanent magnet drive valve |
| CN102322546A (en) * | 2011-08-26 | 2012-01-18 | 廖新桃 | Indoor gas safety self closing stop valve |
-
2005
- 2005-03-18 CN CN 200520055780 patent/CN2802208Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639126A (en) * | 2009-08-28 | 2010-02-03 | 吕炳权 | Dual-sealed leakage-proof permanent magnet drive valve |
| CN101639126B (en) * | 2009-08-28 | 2014-05-07 | 吕炳权 | Dual-sealed leakage-proof permanent magnet drive valve |
| CN102322546A (en) * | 2011-08-26 | 2012-01-18 | 廖新桃 | Indoor gas safety self closing stop valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LIAO XINTAO Free format text: FORMER OWNER: LV BINGQUAN Effective date: 20090605 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090605 Address after: Number two, 203, No. 1805, Whampoa Avenue, Guangzhou, Guangdong Province, 510260 Patentee after: Liao Xintao Address before: Guangdong city of Guangzhou Province in Xiaogang Road No. 118 room 103, zip code: 510260 Patentee before: Lv Bingquan |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150318 Granted publication date: 20060802 |