CN104712799A - Venturi valve with stable sealing structure - Google Patents
Venturi valve with stable sealing structure Download PDFInfo
- Publication number
- CN104712799A CN104712799A CN201510161518.8A CN201510161518A CN104712799A CN 104712799 A CN104712799 A CN 104712799A CN 201510161518 A CN201510161518 A CN 201510161518A CN 104712799 A CN104712799 A CN 104712799A
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- fork
- sealing
- rod
- 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.)
- Granted
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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
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
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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
Abstract
The invention discloses a venturi valve with a stable sealing structure. The venturi valve comprises a valve body, a valve rod, a positioning bracket, a valve element, an adapter rod, a swing rod, a regulating bracket, a regulating rod and a foundation bed. The venturi valve is characterized by comprising a sealing part which sleeves the swing rod, wherein one end of the sealing part is arranged in the valve body; the other end of the sealing part gets out of the valve body and is pressed on the valve body through a sealing pressure plate. The venturi valve has the beneficial effects that the sealing part sleeves the regulating rod, and the upper skirt side of the sealing part is compacted on the valve body through the sealing pressure plate, so that the stable sealing structure is sufficiently realized. On the premise of effectively ensuring the inner pressure intensity value of the valve body and precisely regulating and controlling air quantity, gas cannot leak outsides, and the damages and environmental pollution are reduced.
Description
Technical field
The present invention relates to fluid valve technical field, especially relate to a kind of venturi valve being provided with robust seal structure.
Background technique
Venturi control damper to have nothing to do regulator and high velocity air controller because it combines mechanical pressure, gas flow optimized can be extended to highest level.By aerodynamic design, valve has quiet service behaviour.Rapid-action automatic pressure balance device, provides the control of reliable Fume hood control of dust and room pressure.Venturi valve has not by air duct pressure variable effect, Boiler pressure control wide ranges is from 60m3/h to 10,000m3/h, to be swift in response (being less than for 1 second), regulate features such as accurate (± 5%), be widely used in the places such as some the biological products factory requiring to control negative pressure, poisonous and harmful, chemical laboratory and biocontainment laboratory (as P3 level biology laboratory).Because consider human safety issues, it must be highi degree of accuracy, high reliability that system pressure difference controls.
But existing venturi valve does not but have firm structure, to realize the accurate control of valve inner pressure values and air quantity in fork sealing on the market at present.
In order to solve an above-mentioned difficult problem, inventor have developed a kind of venturi valve being provided with precision regulation structure voluntarily in conjunction with experience.
Summary of the invention
The object of the present invention is to provide a kind of venturi valve being provided with robust seal structure with excellent sealing ability, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technological scheme:
Be provided with the venturi valve of robust seal structure, comprise valve body, the valve rod be located in described valve body, in order to support the locating support of described valve rod, the spool be connected with described valve rod, to be connected with described valve rod by an adapting rod and pass the fork of described valve body, to be located at outside described valve body and the adjustment support passed by described fork, be connected with described adjustment support and be fixed on the pedestal in order to fixing described fork and described adjustment support on described valve body with the adjustable lever and of calibrated scale, it is characterized in that:
Also comprise one and be placed on Sealing on described fork, one end of described Sealing is placed in described valve body, and the other end passes described valve body and is pressed on described valve body by a sealing clamp, to stop Leakage Gas in described valve body;
One end of described adjustable lever is connected with described fork, the other end is connected with a self-locking precise regulator through described adjustment support, described adjustable lever moves around along with the rotation of described self-locking precise regulator and then level, to realize automatic degree of regulation, described adjustment support is also provided with accuracy coordinate.
The rubber sleeve that described Sealing is preferably made up of fluorine rubber, its one end be placed in described valve body is closely connected with described fork by adhesive, escapes along the described fork body of rod to stop gas.
Described Sealing one end be placed in described valve body is corrugated, under negative pressure state, be tightly tending towards described fork.
Described self-locking precise regulator is provided with a locking, in order to limit the random rotation of described self-locking precise regulator.
Described accuracy coordinate comprises LCD or non-liquid crystal shows two kinds of structures.
Described valve body, valve rod, locating support, spool, fork, adjustment support and adjustable lever all adopt stainless steel to make, preferably 316 stainless steels.
Compared with prior art, the invention has the beneficial effects as follows: by Sealing sheathed on adjustable lever, and utilize sealing clamp by the upper shirt rim compacting of Sealing on valve body, adequately achieve firm sealing configuration.Under the prerequisite effectively guaranteeing valve inner pressure values and the accurate regulable control of air quantity, also ensuring gas can not leak outside, and reduces harm and environmental pollution.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Embodiment
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
With reference to the venturi valve being provided with robust seal structure shown in Fig. 1, comprise valve body 1, be located at the valve rod 2 in described valve body 1, in order to support two groups of locating supports 3 of described valve rod 2, the spool 4 be connected with described valve rod 2, to be connected with described valve rod 2 by an adapting rod 5 and to pass the fork 6 of described valve body 1, be located at the adjustment support 7 passed outside described valve body 1 and by described fork 6, that be connected with described adjustment support 7 and with the adjustable lever 8 of calibrated scale, and one is fixed on described valve body 1 in order to fix the pedestal 9 of described fork 6 and described adjustment support 7, also comprise one and be placed on Sealing 10 on described fork 6.Wherein:
One end of described Sealing 10 is placed in described valve body 1, the other end passes described valve body 1 and is pressed on described valve body 1 by a sealing clamp 11, to stop Leakage Gas in described valve body 1. the rubber sleeve that described Sealing 10 is preferably made up of fluorine rubber, its one end be placed in described valve body 1 is closely connected with described fork 6 by adhesive, escapes along the body of rod of described fork 6 to stop gas.One end that described Sealing 10 is placed in described valve body 1 is corrugated, is tightly tending towards described fork 6 under negative pressure state.
One end of described adjustable lever 8 is connected with described fork 6, the other end is connected with a self-locking precise regulator 12 through described adjustment support 7, described adjustable lever 8 moves around along with the rotation of described self-locking precise regulator 12 and then level, to realize automatic degree of regulation, described self-locking precise regulator 12 is provided with a locking 121, in order to limit the random rotation of described self-locking precise regulator 12.
Described adjustment support 7 is also provided with accuracy coordinate 13, and described accuracy coordinate 13 comprises LCD or non-liquid crystal shows two kinds of structures.
Described valve body 1, valve rod 2, locating support 3, spool 4, fork 6, adjustment support 7 and adjustable lever 8 all adopt stainless steel to make, preferably 316 stainless steels.
Compared with prior art, the invention has the beneficial effects as follows: by Sealing sheathed on adjustable lever, and utilize sealing clamp by the upper shirt rim compacting of Sealing on valve body, adequately achieve firm sealing configuration.Under the prerequisite effectively guaranteeing valve inner pressure values and the accurate regulable control of air quantity, also ensuring gas can not leak outside, and reduces harm and environmental pollution.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (6)
1. be provided with the venturi valve of robust seal structure, comprise valve body, the valve rod be located in described valve body, in order to support the locating support of described valve rod, the spool be connected with described valve rod, to be connected with described valve rod by an adapting rod and pass the fork of described valve body, to be located at outside described valve body and the adjustment support passed by described fork, be connected with described adjustment support and be fixed on the pedestal in order to fixing described fork and described adjustment support on described valve body with the adjustable lever and of calibrated scale, it is characterized in that:
Also comprise one and be placed on Sealing on described fork, one end of described Sealing is placed in described valve body, and the other end passes described valve body and is pressed on described valve body by a sealing clamp, to stop Leakage Gas in described valve body;
One end of described adjustable lever is connected with described fork, the other end is connected with a self-locking precise regulator through described adjustment support, described adjustable lever moves around along with the rotation of described self-locking precise regulator and then level, to realize automatic degree of regulation, described adjustment support is also provided with accuracy coordinate.
2. the venturi valve being provided with robust seal structure according to claim 1, it is characterized in that: the rubber sleeve that described Sealing is preferably made up of fluorine rubber, its one end be placed in described valve body is closely connected with described fork by adhesive, escapes along the described fork body of rod to stop gas.
3. the venturi valve being provided with robust seal structure according to claim 1, is characterized in that: described Sealing one end be placed in described valve body is corrugated, under negative pressure state, be tightly tending towards described fork.
4. the venturi valve being provided with robust seal structure according to claim 1, is characterized in that: in described self-locking precise regulator, be provided with a locking, in order to limit the random rotation of described self-locking precise regulator.
5. the venturi valve being provided with robust seal structure according to claim 1, is characterized in that: described accuracy coordinate comprises LCD or non-liquid crystal shows two kinds of structures.
6. the venturi valve being provided with robust seal structure according to claim 1, is characterized in that: described valve body, valve rod, locating support, spool, fork, adjustment support and adjustable lever all adopt stainless steel to make, preferably 316 stainless steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510161518.8A CN104712799B (en) | 2015-04-07 | 2015-04-07 | Venturi valve equipped with robust seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510161518.8A CN104712799B (en) | 2015-04-07 | 2015-04-07 | Venturi valve equipped with robust seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104712799A true CN104712799A (en) | 2015-06-17 |
| CN104712799B CN104712799B (en) | 2019-09-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510161518.8A Active CN104712799B (en) | 2015-04-07 | 2015-04-07 | Venturi valve equipped with robust seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104712799B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122574A (en) * | 2016-08-22 | 2016-11-16 | 张国君 | Compact air quantity regulation venturi valve |
| CN106812990A (en) * | 2015-11-27 | 2017-06-09 | 上海卓思智能科技股份有限公司 | A kind of driving method of venturi valve and its valve cone |
| CN107504238A (en) * | 2017-07-31 | 2017-12-22 | 长江大学 | The adjustable machinery of critical flow is jammed venturi nozzle |
| CN110332365A (en) * | 2019-07-09 | 2019-10-15 | 上海智全控制设备有限公司 | A kind of venturi valve |
| WO2019206257A1 (en) * | 2018-04-27 | 2019-10-31 | Fisher Jeon Gas Equipment (Chengdu) Co. Ltd. | Indicator assembly |
| US11371621B2 (en) | 2019-01-30 | 2022-06-28 | Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | Balance structure for a regulator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202432055U (en) * | 2012-02-07 | 2012-09-12 | 胡崔健 | Air flow controller |
| US20140284508A1 (en) * | 2013-03-25 | 2014-09-25 | E.H. Price Ltd. | Venturi Valve with Hard Stop |
| JP2015052336A (en) * | 2013-09-06 | 2015-03-19 | アズビル株式会社 | Shaft position control device and method of venturi valve |
| CN204961947U (en) * | 2015-04-07 | 2016-01-13 | 张国君 | Venturi valve with firm seal structure |
-
2015
- 2015-04-07 CN CN201510161518.8A patent/CN104712799B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202432055U (en) * | 2012-02-07 | 2012-09-12 | 胡崔健 | Air flow controller |
| US20140284508A1 (en) * | 2013-03-25 | 2014-09-25 | E.H. Price Ltd. | Venturi Valve with Hard Stop |
| JP2015052336A (en) * | 2013-09-06 | 2015-03-19 | アズビル株式会社 | Shaft position control device and method of venturi valve |
| CN204961947U (en) * | 2015-04-07 | 2016-01-13 | 张国君 | Venturi valve with firm seal structure |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812990A (en) * | 2015-11-27 | 2017-06-09 | 上海卓思智能科技股份有限公司 | A kind of driving method of venturi valve and its valve cone |
| CN106812990B (en) * | 2015-11-27 | 2019-06-21 | 上海卓思智能科技股份有限公司 | A kind of driving method of venturi valve and its valve cone |
| CN106122574A (en) * | 2016-08-22 | 2016-11-16 | 张国君 | Compact air quantity regulation venturi valve |
| CN107504238A (en) * | 2017-07-31 | 2017-12-22 | 长江大学 | The adjustable machinery of critical flow is jammed venturi nozzle |
| CN107504238B (en) * | 2017-07-31 | 2019-04-02 | 长江大学 | The adjustable machinery of critical flow is jammed venturi nozzle |
| WO2019206257A1 (en) * | 2018-04-27 | 2019-10-31 | Fisher Jeon Gas Equipment (Chengdu) Co. Ltd. | Indicator assembly |
| US11725745B2 (en) | 2018-04-27 | 2023-08-15 | Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | Regulator |
| US11828382B2 (en) | 2018-04-27 | 2023-11-28 | Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | Indicator assembly |
| US11371621B2 (en) | 2019-01-30 | 2022-06-28 | Fisher Jeon Gas Equipment (Chengdu) Co., Ltd. | Balance structure for a regulator |
| CN110332365A (en) * | 2019-07-09 | 2019-10-15 | 上海智全控制设备有限公司 | A kind of venturi valve |
| CN110332365B (en) * | 2019-07-09 | 2024-02-20 | 上海智全控制设备有限公司 | Venturi valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104712799B (en) | 2019-09-13 |
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