CN100394088C - Water (gas) supply cut-off stop safety valve - Google Patents
Water (gas) supply cut-off stop safety valve Download PDFInfo
- Publication number
- CN100394088C CN100394088C CNB2004100409560A CN200410040956A CN100394088C CN 100394088 C CN100394088 C CN 100394088C CN B2004100409560 A CNB2004100409560 A CN B2004100409560A CN 200410040956 A CN200410040956 A CN 200410040956A CN 100394088 C CN100394088 C CN 100394088C
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- Prior art keywords
- valve core
- gas
- valve
- valve body
- stop safety
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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Abstract
The present invention relates to a stop safety valve used when a water (gas) supply is cut off, which is characterized in that a valve core is composed of an upper valve core 3 and a lower valve core 17, wherein the upper valve core is provided with an integral inlet end surface, and the lower valve core is connected with an end plug 10; the intermediate section of the two valve cores is in a combined structure halved in an axial direction, the combined surface is provided with a synchronizing mechanism and a locking pin 15; the synchronizing mechanism is capable of ensuring the upper valve core and the lower valve core to move oppositely and relatively in an axial direction; the locking pin 15 can enter an axial vacancy generated after the upper valve core and the lower valve core move oppositely to enable the end plug to be maintained in a position of plugging a water outlet joint. A reset spring 21 for maintaining the two valve cores to be oppositely separated is installed between the axial contact surfaces of the two valve cores. A key 8 capable of resetting the locking pin is installed on a valve body. The present invention has the advantages of novel structure, low manufacture cost, reliable function, convenient and flexible operation and resetting operation, etc. When the water (gas) supply of a pipeline is cut off and then is recovered, the stop safety valve used when a water (gas) supply is cut off can be automatically closed. The stop safety valve used when a water (gas) supply is cut off is suitable for liquid, gas, or a gas-liquid common phase medium and can be widely applied to the automatic cut-off of water pipelines or gas pipelines for civil use.
Description
Technical field
The invention belongs to a kind of stop safety valve, particularly relate to and a kind ofly be used for civilian water pipe or tracheae is cut off the water, the stop safety valve that can close automatically when stopping the supple of gas or steam.
Background technique
Its kind of of the prior art cutting off the water (gas) stop valve is more, but its basic principle all is to adopt float-ball type or floating ball rod formula structure.The stop valve of float-ball type structure is along with the variation of high-velocity flow, in the ball float chamber, cause vibration and noise easily, thereby damage the ball float surface, be difficult to form good sealing surface at water outlet, especially be easy to generate a large amount of gases after pipeline is cut off the water, the float-ball type structure can not be reliably with valve opening.Though some stop valve has designed venting gas appliance, discharge with a large amount of liquid simultaneously during exhaust, still there is interim gas to exist in the pipeline, this moment, the unlatching flexibility of stop valve also was subjected to certain limitation.Chinese patent for another example: No. 92206902.6 disclosed safety valves of cutting off the water, its basic principle and structure are: under the effect of gravity and magnetic force safety valve cuts out automatically when cutting off the water.Though this device can be realized closing automatically when cutting off the water, still there are defectives such as sealing is poor, the opening process of safety valve is difficult to realize, its reliability is relatively poor in this safety valve.
Summary of the invention
The objective of the invention is to be intended to overcome existing stop safety valve above shortcomings, and it is convenient and flexible to provide a kind of reliable in function, operation to reset, and is used for the stop safety valve that civilian water pipe or tracheae are cut off the water and can be closed automatically when stopping the supple of gas or steam.
The technological scheme that above-mentioned purpose of the present invention adopts is such: promptly a kind of stop safety valve of stopping the supple of gas or steam of cutting off the water, comprise valve body, spool and be connected the inlet union and the outlet connection at valve body two ends, on valve body, have can with import and export the medium runner hole that joint be communicated with; It is characterized in that: spool is made of upper valve core and lower valve core, and upper valve core has complete inlet end face, and lower valve core connects plug; Two spools are the composite structure to dividing vertically in the stage casing, on combinating face, have and can guarantee upper and lower spool axial opposed and the lazy-tongs that relatively move, thereby and can enter upper and lower spool and move the axial room that the back produces on the contrary and make plug keep the spring bolt of shutoff outlet connection position; The Returnning spring that keeps two spools to do opposite separation is installed between the axial surface of contact of two spools; The button that spring bolt is resetted is installed on valve body; Described can guarantee upper and lower poppet shaft to the lazy-tongs of reverse motions and relative movement by laying respectively at a pair of flank of tooth on upper valve core and the lower valve core and constituting between two flank of tooth and simultaneously with the gear of two flank engagement; Its middle gear is installed in the axis hole of valve body by transverse axis.
The present invention is owing to described structure has novel structure, low cost of manufacture, reliable in function, the operation easy remarkable advantage such as flexibly that resets, when pipeline is cut off the water after (gas) recover, and can automatic blocking.Be adapted to the safe transport of medium of liquid, gas or gas-liquid common phase and the automatic cut-off of civilian water pipe or tracheae pipeline.
Description of drawings
Accompanying drawing 1 is the cut-away view of stop safety valve structure.
Accompanying drawing 2 is the A-A cross section cut-away view of stop safety valve structure.
Accompanying drawing 3 stop safety valve valve bodies remove the sectional drawing behind the spool.
In the accompanying drawings, 1-inlet union 2-import barrier film 3-upper valve core 4-valve body 5-plate screw 6-reset key spring 7-function selection button 8-reset key 9-pressing plate 10-plug 11-O type circle 12-plug screw 13-goes out diaphragma of mouth 14-outlet connection 15-spring bolt 16-spring bolt ejector spring 17-lower valve core 18-gear 19-transverse axis 20-transverse axis stage clip 21-Returnning spring 22-medium runner hole 23-slip steel ball.
Embodiment
Described can guarantee upper and lower poppet shaft to the lazy-tongs of reverse motions and relative movement by laying respectively at a pair of flank of tooth on upper valve core 3 and the lower valve core 17 and constituting between two flank of tooth and simultaneously with the gear 18 of two flank engagement; Its middle gear is installed in the axis hole of valve body by transverse axis 19.
The axis hole that transverse axis 19 is installed on the above-mentioned valve body be an ellipse, and the spring eye that is orthogonal to transverse axis on described axis hole and the valve body is communicated with, and stage clip 20 is installed in the hole, this transverse axis stage clip with X medium importer to roof pressure.
Thereby describedly can enter upper and lower spool and move axial room that the back produces on the contrary and make plug keep the spring bolt 15 of shutoff outlet connection position to be positioned at key seat on the lower valve core, support by spring bolt ejector spring 16, when two spool axial opposed move, the upper valve core that stops spring bolt is removed, spring bolt ejects, be stuck in two poppet shaft in the room of shifting out, two spools can not be produced axially relatively move, and make plug keep shutoff outlet connection position.
In the described button 8 that spring bolt mechanism is resetted reset key spring 6 is housed, reset key 8 integral body are fixed on the valve body 4 with pressing plate 9 and pressing plate Luo silk 5; The push rod of the button that resets passes the top that axial room between two spools is positioned at spring bolt 15.
For make the spring bolt reset operation easily, reliable, on a slip surface of spring bolt 15 and lower valve core 17, have by ball grooves and be positioned at the rolling friction mechanism that the ball 23 of groove constitutes.
In order to increase selection function, can be equipped with on the button 8 by spring-supported function selection button 7, pass the bar hole on the valve body after the lower end of this selection button can rotate, contact, upper and lower spool can only axially be relatively moved and make valve body be in normal open state with the ratchet face of upper valve core 3.
Have the medium runner hole 22 of annular distribution on the valve body 4, seal by import barrier film 2 between the inlet end face of upper valve core 3 and the valve body 4; The diaphragma of mouth 13 that goes out by the band center hole between the end face of lower valve core 17 connection plugs 10 and the valve body seals, and described plug passes the diaphragm center hole by plug screw 12 plug and lower valve core are linked into an integrated entity.Described barrier film can be fixed on the valve body by the mode that cooperates by draw-in groove and clip.
It is corresponding with taper hole on the outlet connection 14 that described plug 10 has a conical seal (contact) face, and ring-like seal ring 11 is installed on the conical seal (contact) face of plug.
Working principle of the present invention is such: the pressure generation drive spool 3 that the pressure of import medium overcomes Returnning spring 21 moves axially, gear 18 rotates and drives lower valve core 17 and relatively moves with it, thereby sealing surface is opened.When disappearing, the pressure of import medium promptly cuts off the water when stopping the supple of gas or steam, under Returnning spring 21 effects, rotation by gear 18 makes the same moved further of two spool axial opposed, produce axial room, spring bolt 15 ejects, be stuck in the room, and two spools can not be produced relatively move form as a whole, at this moment transverse axis moves to the medium entrance point in the elliptical aperture that transverse axis is installed together with spool integral body because of the effect of transverse axis stage clip 20; When system pressure recovers, drive whole spool integral body and move to the media outlet direction together, make plug shutoff outlet connection position and locking, this moment, valve was in safe cut-off state.When needs resume water supply air feed, press reset key 8, spring bolt 15 top is sold back to a grain-producing area in the seat resets, two spools relatively move immediately and make valve opening.
When selecting for use when selecting button 7 to contact,, two spools are only axially relatively moved and make valve body be in normal open state owing to upper valve core can only be done to the moving axially of Way out with the ratchet face of upper valve core 3.This moment, valve lost the automatic cut-off function.
Claims (8)
1. stop safety valve of stopping the supple of gas or steam of cutting off the water comprises valve body (4), spool and is connected the inlet union (1) and the outlet connection (14) at valve body two ends, on valve body, have can with import and export the medium runner hole that joint be communicated with; It is characterized in that: spool is made of upper valve core (3) and lower valve core (17), and upper valve core has complete inlet end face, and lower valve core connects plug (10); Two spools are the composite structure to dividing vertically in the stage casing, on combinating face, have and can guarantee upper and lower spool axial opposed and the lazy-tongs that relatively move, thereby and can enter upper and lower spool and move the axial room that the back produces on the contrary and make plug keep the spring bolt (15) of shutoff outlet connection position; The Returnning spring (21) that keeps two spools to do opposite separation is installed between the axial surface of contact of two spools; The button (8) that spring bolt is resetted is installed on valve body; Described can guarantee upper and lower poppet shaft to the lazy-tongs of reverse motions and relative movement by lay respectively on upper valve core (3) and the lower valve core (17) a pair of flank of tooth and between two flank of tooth and simultaneously with gear (18) formation of two flank engagement; Its middle gear is installed in the axis hole of valve body by transverse axis (19).
2. the stop safety valve of stopping the supple of gas or steam of cutting off the water according to claim 1, it is characterized in that: the axis hole that transverse axis (19) is installed on the valve body is for oval, the spring eye that is orthogonal to transverse axis on described axis hole and the valve body is communicated with, stage clip (20) is installed in the axis hole, this transverse axis stage clip with X medium importer to roof pressure.
3. the stop safety valve of stopping the supple of gas or steam of cutting off the water according to claim 1, it is characterized in that: move axial room that the back produces on the contrary and make plug keep the spring bolt (15) of shutoff outlet connection position to be positioned at key seat on the lower valve core thereby can enter upper and lower spool, support by spring bolt ejector spring (16), when two spool axial opposed move, the upper valve core that stops spring bolt is removed, the spring bolt ejecting card in two poppet shaft in the room of shifting out, two spools can not be produced axially relatively move, and make plug keep shutoff outlet connection position.
4. the stop safety valve of stopping the supple of gas or steam of cutting off the water according to claim 3 is characterized in that: have by ball grooves on spring bolt (15) and (17) slip surfaces of lower valve core and be positioned at the rolling friction mechanism that the ball (23) of groove constitutes.
5. the stop safety valve of stopping the supple of gas or steam of cutting off the water according to claim 1, it is characterized in that: in the described button (8) that spring bolt mechanism is resetted reset key spring (6) is housed, button (8) is whole to be fixed on the valve body (4) with pressing plate (9) and pressing plate Luo silk (5); The push rod of the button that resets (8) passes the top that axial room between two spools is positioned at spring bolt (15).
6. the stop safety valve of stopping the supple of gas or steam of cutting off the water according to claim 5, it is characterized in that: be equipped with on the button (8) by spring-supported function selection button (7), the bar hole that can pass on the valve body after the rotation of the lower end of this selection button contacts with the ratchet face of upper valve core (3), upper and lower spool can only axially be relatively moved and makes valve body be in normal open state.
7. the stop safety valve of stopping the supple of gas or steam of cutting off the water according to claim 1 is characterized in that: sealed by import barrier film (2) between the inlet end face of upper valve core (3) and the valve body (4); The diaphragma of mouth (13) that goes out by the band center hole between the end face of lower valve core (17) connection plug (10) and the valve body seals, and described plug passes outlet diaphragm center hole by plug screw (12) plug and lower valve core are linked into an integrated entity.
8. the stop safety valve of stopping the supple of gas or steam of cutting off the water according to claim 1 is characterized in that: it is corresponding with taper hole on the outlet connection (14) that described plug (10) has a conical seal (contact) face, and ring-like seal ring (11) is installed on the conical seal (contact) face of plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100409560A CN100394088C (en) | 2004-10-28 | 2004-10-28 | Water (gas) supply cut-off stop safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100409560A CN100394088C (en) | 2004-10-28 | 2004-10-28 | Water (gas) supply cut-off stop safety valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1605779A CN1605779A (en) | 2005-04-13 |
| CN100394088C true CN100394088C (en) | 2008-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100409560A Expired - Fee Related CN100394088C (en) | 2004-10-28 | 2004-10-28 | Water (gas) supply cut-off stop safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100394088C (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5402824A (en) * | 1992-04-24 | 1995-04-04 | Nisshinbo Industries Inc. | Solenoid valve |
| CN2367852Y (en) * | 1999-04-22 | 2000-03-08 | 李允文 | Electromagnetic automatic stop safety valve |
| JP2001254931A (en) * | 2000-03-10 | 2001-09-21 | Paloma Ind Ltd | Magnet-type safety valve |
| CN1326063A (en) * | 2000-04-20 | 2001-12-12 | 清净工程有限公司 | Multifunctional urgency stop safety valve |
| JP2003301953A (en) * | 2002-04-05 | 2003-10-24 | Soowa Eng:Kk | Control valve, control valve unit and connecting member |
| CN2751197Y (en) * | 2004-10-28 | 2006-01-11 | 欧健 | Water / gas failure safety stop valve |
-
2004
- 2004-10-28 CN CNB2004100409560A patent/CN100394088C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5402824A (en) * | 1992-04-24 | 1995-04-04 | Nisshinbo Industries Inc. | Solenoid valve |
| CN2367852Y (en) * | 1999-04-22 | 2000-03-08 | 李允文 | Electromagnetic automatic stop safety valve |
| JP2001254931A (en) * | 2000-03-10 | 2001-09-21 | Paloma Ind Ltd | Magnet-type safety valve |
| CN1326063A (en) * | 2000-04-20 | 2001-12-12 | 清净工程有限公司 | Multifunctional urgency stop safety valve |
| JP2003301953A (en) * | 2002-04-05 | 2003-10-24 | Soowa Eng:Kk | Control valve, control valve unit and connecting member |
| CN2751197Y (en) * | 2004-10-28 | 2006-01-11 | 欧健 | Water / gas failure safety stop valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1605779A (en) | 2005-04-13 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20050413 Assignee: Chongqing Zhongtian Electromechanical Technology Co., Ltd. Assignor: Ou Jian Contract record no.: 2013500000030 Denomination of invention: Water / gas failure safety stop valve Granted publication date: 20080611 License type: Exclusive License Record date: 20130509 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080611 Termination date: 20131028 |