CN103527827B - Biologic medical machinery clean system safety valve - Google Patents
Biologic medical machinery clean system safety valve Download PDFInfo
- Publication number
- CN103527827B CN103527827B CN201210228965.7A CN201210228965A CN103527827B CN 103527827 B CN103527827 B CN 103527827B CN 201210228965 A CN201210228965 A CN 201210228965A CN 103527827 B CN103527827 B CN 103527827B
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- China
- Prior art keywords
- valve
- flap
- pin bushing
- guide pin
- valve rod
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- 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.)
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Classifications
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- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
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- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/12—Covers for housings
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- 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
- F16K41/00—Spindle sealings
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses biologic medical machinery clean system safety valve, comprise valve body, valve gap, valve rod, described valve rod is arranged on and fastens by valve body and valve gap the valve pocket inside formed; Described valve rod lower end is connected on flap by guide pin bushing, is connected to the top of the valve seat be simultaneously connected with valve body bottom described flap; Described stem outer circumference cover has spring, and this spring upper end is connected to by upper spring seat bottom the Adjusting bolt Adjusting screw that is enclosed within equally on valve rod, and this lower spring end is connected to the guide pin bushing top be enclosed within equally on valve rod by lower spring cup; Described guide pin bushing runs through and is fixed on guide sleeve center, and the casing pressure that leads is stuck in valve body and valve gap connects place.This product specification is rigorous, and hygienic requirements condition is high, good seal performance, and cracking pressure is accurate, has filled up the blank of such health valve domestic.
Description
Technical field
The present invention relates to valve, specifically biologic medical machinery clean system safety valve.
Background technique
The safety valve application of currently available technology is on the pipeline or pressurized container of protected system, to ensure the Security of pipeline or pressurized container, but for biologic medical machinery clean system, all there is certain defect in current safety valve, when such as opening or close, action is smooth not, affects using effect; Easily affect the Set pressure of equipment when changing back-pressure, and Component are very easily subject to the corrosion of medium in use, slow down working life, power consumption increases, and valve rod can be subject to the deflection influence automatic centering of spring, and sensitivity reduces; Without overpressure protector etc.So for medical apparatus and wine brewing, beverage industry to health and the high place of cleanliness standard-required, the safety valve used must completely newly be developed.
In view of this, for the problems referred to above, propose a kind of reasonable in design and effectively improve the biologic medical machinery clean system safety valve of above-mentioned disappearance.
Summary of the invention
The object of the present invention is to provide biologic medical machinery clean system safety valve, this product specification is rigorous, and hygienic requirements condition is high, good seal performance, and cracking pressure is accurate, has filled up the blank of such health valve domestic.
In order to reach above-mentioned purpose, present invention employs following technological scheme, biologic medical machinery clean system safety valve, comprises valve body, valve gap, valve rod, and described valve rod is arranged on and fastens by valve body and valve gap the valve pocket inside formed; Described valve rod lower end is connected on flap by guide pin bushing, is connected to the top of the valve seat be simultaneously connected with valve body bottom described flap; Described stem outer circumference cover has spring, and this spring upper end is connected to by upper spring seat bottom the Adjusting bolt Adjusting screw that is enclosed within equally on valve rod, and this lower spring end is connected to the guide pin bushing top be enclosed within equally on valve rod by lower spring cup; Described guide pin bushing runs through and is fixed on guide sleeve center, and the casing pressure that leads is stuck in valve body and valve gap connects place.
Described valve rod is threaded with guide pin bushing, and guide pin bushing is connected on flap by flap nut again, and inverted cone groove is offered at flap top, is provided with steel ball in groove, is connected on the steel ball in groove bottom described guide pin bushing.
Be provided with bellows between described guide sleeve and flap, this bellows upper end is pressed and is stuck in valve body and valve gap and connects place together with guide sleeve, and lower end to be then fixed on flap by bellows nut and to have covered the targeting part of flap and the top of flap.
Outside described valve seat epimere, cover has lower Adjusting ring, and outside described flap, cover has upper Adjusting ring.
Screw outside the Adjusting bolt Adjusting screw of described valve rod upper end be placed in valve gap top and cap, described valve stem tip is provided with hoisting nut, arranges safety cover in valve gap upper end, and cap, hoisting nut all protect within it, the spanner of this hoisting nut connection safety cover outside.
Described valve body docks fixing with valve gap by clip.
Compared to prior art, the present invention has following beneficial effect:
On the pipeline that this valve is mounted in protected system or pressurized container, when pressure in protected system raises, produce an additional force acted on primary element, this element is moved and in this valve passage opening clearance, namely valve is opened automatically.Medium is discharged by gap, causes the pressure medium of pressurized container to return to below working pressure, and now valve is in the sealing state of rest of closedown, thus reaches proterctive equipment by the effect of superpressure.That is: when the pressure medium of valve body and valve seat flap inner chamber is elevated to certain value, flap is stressed after impact, promotes valve rod and lower spring cup forces spring to do compression movement, and namely flap departs from valve seat and upwards rise, and quick drain then, now valve is opened automatically.When pressure medium is in normal operating pressure, this valve under spring force, cuts out again.
Design adopts bellows component balance type structure, and be on flap, arrange a bellows, the upper end of bellows is linked together by clip guide pin bushing and guide sleeve, and lower end is connected with flap and has covered targeting part and the flap top of flap.There are two effects like this.First effect be ensure flap above and below by back pressure area equation; the i.e. useful area of bellows and the area equation of flap sealing surface of seat; guarantee the Set pressure not affecting this equipment when changing back-pressure; another one effect is that medium and valve gap are isolated; protection Component can not be subject to the erosion of medium; thus ensure that the stability of equipment and increase the service life, energy-saving and cost-reducing.Connected by quenching steel ball between design valve rod and flap, the valve rod not automatic centering by the impact of spring bias can be ensured, ensure that the sensitivity of flap action.
Safety cover hoisting nut and spanner support the use, and effect is when steam or pressure medium reach 75 ﹪ cracking pressure, and spanner can be pulled to check its flexibility, to meet the requirement of boiler attendance code.Lower spring cup, upper spring seat and Adjusting bolt Adjusting screw cap coordinate, and are used for adjusting the power of spring, combine span that adjustment goes up Adjusting ring and lower Adjusting ring and realize discharge pressure to this valve and Reseating pressure of a safety valve, thus determine its performance.
This valve is applicable to the overpressure protection of low pressure steam, gas or liquid plant, pipeline, pressurized container; be particularly useful for medical apparatus and wine brewing, beverage industry to health and the high place of cleanliness standard-required, minimum to keep the pollution of high-quality product and operation medium to be down to.This product specification is rigorous and novel, and hygienic requirements condition is high, good seal performance, and cracking pressure is accurate, the external imported product of alternative similar A28 type.Fill up the blank of such health valve domestic.
Accompanying drawing explanation
Fig. 1 is the structural representation of biologic medical machinery clean system safety valve of the present invention.
In figure: 1, valve seat; 2, lower Adjusting ring; 3, valve body; 4, flap; 5, upper Adjusting ring; 6, steel ball; 7, bellows nut; 8, flap nut; 9, bellows; 10, clip; 11, guide pin bushing; 12, guide sleeve; 13, lower spring cup; 14, spring; 15, valve rod; 16, valve gap; 17, upper spring seat; 18, spanner; 19, Adjusting bolt Adjusting screw; 20 and cap; 21, safety cover; 22, hoisting nut.
Embodiment
Detailed description for the present invention and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, is not used for being limited the present invention.
According to Fig. 1, biologic medical machinery clean system safety valve, comprises valve body 3, valve gap 16, valve rod 15, and described valve rod is arranged on and fastens by valve body and valve gap the valve pocket inside formed; Described valve rod 15 lower end is connected on flap 4 by guide pin bushing 11, is connected to the top of the valve seat 1 be simultaneously connected with valve body 3 bottom described flap 4; Described stem outer circumference cover has spring 14, and this spring upper end is connected to by upper spring seat 17 bottom the Adjusting bolt Adjusting screw 19 that is enclosed within equally on valve rod, and this lower spring end is connected to guide pin bushing 11 top be enclosed within equally on valve rod by lower spring cup 13; Described guide pin bushing runs through and is fixed on guide sleeve 12 center, and the casing pressure that leads is stuck in valve body and valve gap connects place.Described valve body 3 docks fixing with valve gap 16 by clip 10.When the pressure medium of valve body and valve seat, flap inner chamber is elevated to certain value, flap is stressed after impact, promotes valve rod and lower spring cup forces spring to do compression movement, and namely flap departs from valve seat and upwards rise, and quick drain then, now valve is opened automatically.When pressure medium is in normal operating pressure, this valve under spring force, cuts out again.
Described valve rod 15 is threaded with guide pin bushing 11, and guide pin bushing 11 is connected on flap 4 by flap nut 8 again, and inverted cone groove is offered at flap top, is provided with steel ball 6 in groove, is connected on the steel ball in groove bottom described guide pin bushing.Be provided with bellows 9 between described guide sleeve and flap, this bellows upper end is pressed and is stuck in valve body and valve gap and connects place together with guide sleeve, and lower end to be then fixed on flap by bellows nut 7 and to have covered the targeting part of flap and the top of flap.First effect be ensure flap above and below by back pressure area equation; the i.e. useful area of bellows and the area equation of flap sealing surface of seat; guarantee the Set pressure not affecting this equipment when changing back-pressure; another one effect is that medium and valve gap are isolated; protection Component can not be subject to the erosion of medium; thus ensure that the stability of equipment and increase the service life, energy-saving and cost-reducing.Connected by quenching steel ball between design valve rod and flap, the valve rod not automatic centering by the impact of spring bias can be ensured, ensure that the sensitivity of flap action.
Outside described valve seat epimere, cover has lower Adjusting ring 2, and outside described flap, cover has upper Adjusting ring 5.The also cap 20 being placed in valve gap top is screwed outside described valve rod upper end Adjusting bolt Adjusting screw 19; described valve stem tip is provided with hoisting nut 22; in valve gap upper end, safety cover 21 is set, and cap, hoisting nut all protect within it, this hoisting nut connects the spanner 18 of safety cover outside.Safety cover hoisting nut and spanner support the use, and effect is when steam or pressure medium reach 75 ﹪ cracking pressure, spanner can be pulled to check its flexibility, with the requirement of panful furnace operating code.Lower spring cup, upper spring seat and Adjusting bolt Adjusting screw cap coordinate, and are used for adjusting the power of spring, combine span that adjustment goes up Adjusting ring and lower Adjusting ring and realize discharge pressure to this valve and Reseating pressure of a safety valve, thus determine its performance.
This valve is applicable to the overpressure protection of low pressure steam, gas or liquid plant, pipeline, pressurized container; be particularly useful for medical apparatus and wine brewing, beverage industry to health and the high place of cleanliness standard-required, minimum to keep the pollution of high-quality product and operation medium to be down to.When in protected system pressure raise time, produce an additional force acted on primary element, this element is moved and in this valve passage opening clearance, namely valve is opened automatically.Medium is discharged by gap, causes the pressure medium of pressurized container to return to below working pressure, and now valve is in the sealing state of rest of closedown, thus reaches proterctive equipment by the effect of superpressure.
The foregoing is only preferred embodiment of the present invention, be not used to limit the scope of the claims of the present invention, other use the equivalence of patent spirit of the present invention to change, and all should all belong to the scope of the claims of the present invention.
Claims (3)
1. biologic medical machinery clean system safety valve, comprises valve body, valve gap, valve rod, and described valve rod is arranged on and fastens by valve body and valve gap the valve pocket inside formed; Described valve rod lower end is connected on flap by guide pin bushing, is connected to the top of the valve seat be simultaneously connected with valve body bottom described flap; Described stem outer circumference cover has spring, and this spring upper end is connected to by upper spring seat bottom the Adjusting bolt Adjusting screw that is enclosed within equally on valve rod, and this lower spring end is connected to the guide pin bushing top be enclosed within equally on valve rod by lower spring cup; Described guide pin bushing runs through and is fixed on guide sleeve center, and the casing pressure that leads is stuck in valve body and valve gap connects place, it is characterized in that, bellows is provided with between described guide sleeve and flap, this bellows upper end is pressed and is stuck in valve body and valve gap and connects place together with guide sleeve, lower end to be then fixed on flap by bellows nut and to have covered the targeting part of flap and the top of flap, and described valve body and valve gap are docked by clip and fix simultaneously;
Described valve rod is threaded with guide pin bushing, and guide pin bushing is connected on flap by flap nut again, and inverted cone groove is offered at flap top, is provided with steel ball in groove, is connected on the steel ball in groove bottom described guide pin bushing.
2. biologic medical machinery clean system safety valve according to claim 1, is characterized in that, outside described valve seat epimere, cover has lower Adjusting ring, and outside described flap, cover has upper Adjusting ring.
3. biologic medical machinery clean system safety valve according to claim 1; it is characterized in that; the also cap being placed in valve gap top is screwed outside the Adjusting bolt Adjusting screw of described valve rod upper end; described valve stem tip is provided with hoisting nut; in valve gap upper end, safety cover is set; and cap, hoisting nut all protect within it, this hoisting nut connects the spanner of safety cover outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210228965.7A CN103527827B (en) | 2012-07-04 | 2012-07-04 | Biologic medical machinery clean system safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210228965.7A CN103527827B (en) | 2012-07-04 | 2012-07-04 | Biologic medical machinery clean system safety valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103527827A CN103527827A (en) | 2014-01-22 |
| CN103527827B true CN103527827B (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210228965.7A Active CN103527827B (en) | 2012-07-04 | 2012-07-04 | Biologic medical machinery clean system safety valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN103527827B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200955615Y (en) * | 2006-08-14 | 2007-10-03 | 永一阀门集团有限公司 | Spring full-open type safety valve |
| CN102052493A (en) * | 2009-11-10 | 2011-05-11 | 北京航天动力研究所 | Steam safety valve with backpressure regulating mechanism and elastic valve clack |
| CN202176730U (en) * | 2011-08-17 | 2012-03-28 | 永一阀门集团有限公司 | Safety stop valve |
| CN202203474U (en) * | 2011-08-17 | 2012-04-25 | 永一阀门集团有限公司 | Liner type safety valve |
| CN102518844A (en) * | 2011-12-05 | 2012-06-27 | 北京航天动力研究所 | Anticorrosive lining safety valve |
| CN202646816U (en) * | 2012-07-04 | 2013-01-02 | 浙江恒华阀门有限公司 | Safety valve of cleaning system of biological medical machinery equipment |
-
2012
- 2012-07-04 CN CN201210228965.7A patent/CN103527827B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200955615Y (en) * | 2006-08-14 | 2007-10-03 | 永一阀门集团有限公司 | Spring full-open type safety valve |
| CN102052493A (en) * | 2009-11-10 | 2011-05-11 | 北京航天动力研究所 | Steam safety valve with backpressure regulating mechanism and elastic valve clack |
| CN202176730U (en) * | 2011-08-17 | 2012-03-28 | 永一阀门集团有限公司 | Safety stop valve |
| CN202203474U (en) * | 2011-08-17 | 2012-04-25 | 永一阀门集团有限公司 | Liner type safety valve |
| CN102518844A (en) * | 2011-12-05 | 2012-06-27 | 北京航天动力研究所 | Anticorrosive lining safety valve |
| CN202646816U (en) * | 2012-07-04 | 2013-01-02 | 浙江恒华阀门有限公司 | Safety valve of cleaning system of biological medical machinery equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103527827A (en) | 2014-01-22 |
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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 | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The eastern Yongjia County of Wenzhou City, Zhejiang province 325000 streets and village Patentee after: Henghua Valve Co. Ltd. Address before: The eastern Yongjia County of Wenzhou City, Zhejiang province 325000 streets and village Patentee before: Zhejiang Heng Hua valve Co., Ltd |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Safety valve of cleaning system of biological medical mechanical equipment Effective date of registration: 20191225 Granted publication date: 20160210 Pledgee: Zhejiang Yongjia Rural Commercial Bank Co., Ltd. Dongou sub branch Pledgor: Henghua Valve Co. Ltd. Registration number: Y2019330000385 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210419 Granted publication date: 20160210 Pledgee: Zhejiang Yongjia Rural Commercial Bank Co.,Ltd. Dongou sub branch Pledgor: HENGHUA VALVE Co.,Ltd. Registration number: Y2019330000385 |