CN104455539A - Full-plastic diaphragm valve with irregular diaphragm - Google Patents
Full-plastic diaphragm valve with irregular diaphragm Download PDFInfo
- Publication number
- CN104455539A CN104455539A CN201410708965.6A CN201410708965A CN104455539A CN 104455539 A CN104455539 A CN 104455539A CN 201410708965 A CN201410708965 A CN 201410708965A CN 104455539 A CN104455539 A CN 104455539A
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- China
- Prior art keywords
- valve
- barrier film
- diaphragm
- irregular
- valve rod
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Classifications
-
- 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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Check Valves (AREA)
Abstract
The invention provides a full-plastic diaphragm valve with an irregular diaphragm. The full-plastic diaphragm valve mainly comprises a hand wheel, a valve rod, a floating nut, an upper valve body, a lower valve body, the diaphragm, valve flaps, a valve deck and a fixing piece. The hand wheel is located above the valve deck, and the fixing piece penetrates through the hand wheel to be connected with the valve deck. The valve rod is located in the valve deck. The floating nut is located on the valve rod. The valve flaps are located below the floating nut. The upper valve body is located below the valve deck. The diaphragm is located below the valve flaps. The lower valve body is located below the diaphragm. The diaphragm is of a concave structure. A diaphragm concave part is arranged on the diaphragm. One end of the valve rod is connected with the hand wheel, and the other end of the valve rod is connected with the diaphragm. The end, connected with the diaphragm, of the valve rod is of a forky structure. The full-plastic diaphragm valve with the irregular diaphragm has the advantages of being good in stability and in sealing effect, excellent in use performance, low in manufacturing cost, and long in service life.
Description
Technical field
The present invention relates to a kind of all-plastic membrane valve of irregular barrier film.
Background technique
Membrane valve is one of charge valve commonly used in industrial stokehold.Membrane valve septation is important component, also be very easy to consume simultaneously, because existing barrier film is all fixing plane structure, the contraction operation of self cannot be carried out when pressurized, so just easily there is the excessive situation of pressurized, produce unnecessary consume, reduce outside working life, also results in the reduction of stability; Existing membrane valve is all directly think that barrier film is exerted pressure by valve rod, area due to valve rod is less than the area of barrier film, so just greatly reduce sealing effect during membrane valve operation, the direct contact of valve rod simultaneously also allows barrier film be more prone to be damaged, in addition, in existing membrane valve, the parts major part such as valve rod is all the stainless steel adopted, and more than like this manufacture cost that adds, also there will be situations such as getting rusty.
Summary of the invention
The present invention mainly solves the technical problem existing for prior art, thus provides that a kind of good stability, sealing effect are good, usability is excellent, low cost of manufacture, and the all-plastic membrane valve of the irregular barrier film of long service life.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
The all-plastic membrane valve of a kind of irregular barrier film of the present invention, debates primarily of handwheel, valve rod, captive nut, upper valve body, lower valve body, barrier film, valve, valve gap and fixed block composition; Described handwheel is positioned at the top of valve gap; Described fixed block runs through handwheel and is connected with valve gap; Described valve rod is positioned at the inside of valve gap; Described captive nut is positioned on valve rod; The below being positioned at captive nut debated by described valve; Described upper valve body is positioned at the below of valve gap; Described barrier film is positioned at the below that valve is debated; Described lower valve body is positioned at the below of barrier film; Described barrier film is concave structure; Described barrier film is provided with barrier film recess; Described valve rod one end is connected with handwheel, and the other end is connected with barrier film; The end that described valve rod is connected with barrier film is bifurcation structure.
As preferably, described barrier film is circular overall, and intermediate portion caves inward.
As preferably, described valve is debated and is had 2, and symmetry is positioned at the both sides of valve rod.
As preferably, the width of described captive nut is greater than the width of valve rod.
As preferably, the width of described barrier film equals the width of valve body.
As preferably, the width of described lower valve body is greater than the width of upper valve body.
The invention has the beneficial effects as follows: because the all-plastic membrane valve of irregular barrier film is provided with barrier film recess, allow barrier film open and close time can with caving in, plane structure unlike barrier film traditionally, the activity of self cannot be carried out, it is excessive that such barrier film is easy to pressurized when operation, cause consume, reduce working life, improve stability during use simultaneously; The design of captive nut allows barrier film effectively can avoid directly being subject to the pressure of valve rod, avoid the situation that local heating deforms, improve further outside working life, also effectively improve the sealing effect of membrane valve, the General Promotion usability of membrane valve; In addition, this kind of membrane valve adopts all-plastic material, allows outside manufacture cost significantly reduces, more effectively can also avoid situations such as being corroded during operation and getting rusty, improve working life.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural drawing of the all-plastic membrane valve of a kind of irregular barrier film of the present invention;
Fig. 2 is the structural drawing of the all-plastic membrane valve septation of a kind of irregular barrier film of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention
As shown in Figure 1 to Figure 2, a kind of all-plastic membrane valve of irregular barrier film, debates 7 primarily of handwheel 1, valve rod 2, captive nut 3, upper valve body 4, lower valve body 5, barrier film 6, valve, valve gap 8 and fixed block 9 forms; Described handwheel 1 is positioned at the top of valve gap 8; Described fixed block 9 runs through handwheel 1 and is connected with valve gap 8; Described valve rod 2 is positioned at the inside of valve gap 8; Described captive nut 3 is positioned on valve rod 2; The below that 7 are positioned at captive nut 3 debated by described valve; Described upper valve body 4 is positioned at the below of valve gap 8; Described barrier film 6 is positioned at the below that valve debates 7; Described lower valve body 5 is positioned at the below of barrier film 6; Described barrier film 6 is concave structure; Described barrier film 6 is provided with barrier film recess 61; Described valve rod 2 one end is connected with handwheel 1, and the other end is connected with barrier film 6; The end that described valve rod 2 is connected with barrier film 6 is bifurcation structure.
Described barrier film 6 is circular overall, and intermediate portion caves inward.Described valve is debated 7 and is had 2, and symmetry is positioned at the both sides of valve rod 2.The width of described captive nut 3 is greater than the width of valve rod 2.The width of described barrier film 6 equals the width of valve body 4.The width of described lower valve body 5 is greater than the width of upper valve body 4.
In use, after opening membrane valve by handwheel 1, valve rod 2 is under pressure and carries out operation the all-plastic membrane valve of this kind of irregular barrier film, and captive nut 3 moves down thereupon, and valve is debated 7 and is connected with captive nut 3, and valve is debated 7 drive barrier films 6 and opened subsequently; When after closedown membrane valve, captive nut 3 moves up, and does not debate 7 be connected with valve, and valve is debated 7 and do not exerted pressure to barrier film 6, and namely barrier film 6 closes.
The invention has the beneficial effects as follows: because the all-plastic membrane valve of irregular barrier film is provided with barrier film recess, allow barrier film open and close time can with caving in, plane structure unlike barrier film traditionally, the activity of self cannot be carried out, it is excessive that such barrier film is easy to pressurized when operation, cause consume, reduce working life, improve stability during use simultaneously; The design of captive nut allows barrier film effectively can avoid directly being subject to the pressure of valve rod, avoid the situation that local heating deforms, improve further outside working life, also effectively improve the sealing effect of membrane valve, the General Promotion usability of membrane valve; In addition, this kind of membrane valve adopts all-plastic material, allows outside manufacture cost significantly reduces, more effectively can also avoid situations such as being corroded during operation and getting rusty, improve working life.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (6)
1. an all-plastic membrane valve for irregular barrier film, is characterized in that: debate primarily of handwheel, valve rod, captive nut, upper valve body, lower valve body, barrier film, valve, valve gap and fixed block composition; Described handwheel is positioned at the top of valve gap; Described fixed block runs through handwheel and is connected with valve gap; Described valve rod is positioned at the inside of valve gap; Described captive nut is positioned on valve rod; The below being positioned at captive nut debated by described valve; Described upper valve body is positioned at the below of valve gap; Described barrier film is positioned at the below that valve is debated; Described lower valve body is positioned at the below of barrier film; Described barrier film is concave structure; Described barrier film is provided with barrier film recess; Described valve rod one end is connected with handwheel, and the other end is connected with barrier film; The end that described valve rod is connected with barrier film is bifurcation structure.
2. the all-plastic membrane valve of a kind of irregular barrier film according to claim 1, is characterized in that: described barrier film is for circular overall, and intermediate portion caves inward.
3. the all-plastic membrane valve of a kind of irregular barrier film according to claim 1, is characterized in that: described valve is debated and had 2, and symmetry is positioned at the both sides of valve rod.
4. the all-plastic membrane valve of a kind of irregular barrier film according to claim 1, is characterized in that: the width of described captive nut is greater than the width of valve rod.
5. the all-plastic membrane valve of a kind of irregular barrier film according to claim 1, is characterized in that: the width of described barrier film equals the width of valve body.
6. the all-plastic membrane valve of a kind of irregular barrier film according to claim 1, is characterized in that: the width of described lower valve body is greater than the width of upper valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410708965.6A CN104455539A (en) | 2014-11-28 | 2014-11-28 | Full-plastic diaphragm valve with irregular diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410708965.6A CN104455539A (en) | 2014-11-28 | 2014-11-28 | Full-plastic diaphragm valve with irregular diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104455539A true CN104455539A (en) | 2015-03-25 |
Family
ID=52902062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410708965.6A Pending CN104455539A (en) | 2014-11-28 | 2014-11-28 | Full-plastic diaphragm valve with irregular diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104455539A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061786A (en) * | 2017-01-17 | 2017-08-18 | 深圳市科讯工业自动化设备有限公司 | A kind of corrosion-resistant diaphragm valve |
| CN109899556A (en) * | 2019-04-11 | 2019-06-18 | 宝得流体控制(苏州)有限公司 | Limit plunger, anti-excessively stubborn safe spacing structure and diaphragm valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3802462A (en) * | 1971-08-18 | 1974-04-09 | Fischer Ag Georg | Remotely or manually operable membrane valve |
| EP0608523A1 (en) * | 1993-01-29 | 1994-08-03 | GEBRÜDER MÜLLER APPARATEBAU GmbH & Co. KG | Diaphragm valve with closure lift stop |
| CN201502742U (en) * | 2008-10-27 | 2010-06-09 | 昆山新莱洁净应用材料股份有限公司 | Zero-dead-leg aseptic diaphragm valve |
| CN201539600U (en) * | 2009-11-23 | 2010-08-04 | 上海富地阀门有限公司 | Diaphragm valve for folding diaphragm |
| CN102996848A (en) * | 2011-09-08 | 2013-03-27 | 彭新民 | Diaphragm stop valve with double diaphragms |
| CN203162214U (en) * | 2013-04-15 | 2013-08-28 | 温州华丰阀门机械有限公司 | High frequency resistant diaphragm valve |
| CN204312762U (en) * | 2014-11-28 | 2015-05-06 | 张家港市大能塑料制品有限公司 | A kind of all-plastic membrane valve of irregular barrier film |
-
2014
- 2014-11-28 CN CN201410708965.6A patent/CN104455539A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3802462A (en) * | 1971-08-18 | 1974-04-09 | Fischer Ag Georg | Remotely or manually operable membrane valve |
| EP0608523A1 (en) * | 1993-01-29 | 1994-08-03 | GEBRÜDER MÜLLER APPARATEBAU GmbH & Co. KG | Diaphragm valve with closure lift stop |
| CN201502742U (en) * | 2008-10-27 | 2010-06-09 | 昆山新莱洁净应用材料股份有限公司 | Zero-dead-leg aseptic diaphragm valve |
| CN201539600U (en) * | 2009-11-23 | 2010-08-04 | 上海富地阀门有限公司 | Diaphragm valve for folding diaphragm |
| CN102996848A (en) * | 2011-09-08 | 2013-03-27 | 彭新民 | Diaphragm stop valve with double diaphragms |
| CN203162214U (en) * | 2013-04-15 | 2013-08-28 | 温州华丰阀门机械有限公司 | High frequency resistant diaphragm valve |
| CN204312762U (en) * | 2014-11-28 | 2015-05-06 | 张家港市大能塑料制品有限公司 | A kind of all-plastic membrane valve of irregular barrier film |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061786A (en) * | 2017-01-17 | 2017-08-18 | 深圳市科讯工业自动化设备有限公司 | A kind of corrosion-resistant diaphragm valve |
| CN107061786B (en) * | 2017-01-17 | 2023-09-19 | 科讯工业制造(深圳)有限公司 | Corrosion-resistant diaphragm valve |
| CN109899556A (en) * | 2019-04-11 | 2019-06-18 | 宝得流体控制(苏州)有限公司 | Limit plunger, anti-excessively stubborn safe spacing structure and diaphragm valve |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
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| RJ01 | Rejection of invention patent application after publication |