CN103486283A - Double-flap butterfly valve - Google Patents
Double-flap butterfly valve Download PDFInfo
- Publication number
- CN103486283A CN103486283A CN201310480125.4A CN201310480125A CN103486283A CN 103486283 A CN103486283 A CN 103486283A CN 201310480125 A CN201310480125 A CN 201310480125A CN 103486283 A CN103486283 A CN 103486283A
- Authority
- CN
- China
- Prior art keywords
- valve
- double
- flap
- butterfly valve
- clack
- 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.)
- Pending
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of valve members
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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
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/10—Means to prevent accidental or unauthorised actuation with locking caps or locking bars
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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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
- Lift Valve (AREA)
Abstract
The invention belongs to the valve field, and in particular relates to a double-flap butterfly valve. The double-flap butterfly valve comprises a valve body, a valve rod, a valve position display scale and a switch lock, wherein the valve position display scale is arranged in the shell of a valve wrench and the switch lock is arranged on the valve wrench. The butterfly valve adopts double-flap design to form double sealing, so that the pressure resistance and sealing performance are improved on a large scale; the design of the valve position display scale enables easy flow rate control; the degree of the valve position display scale is locked after being adjusted through the switch lock; the flow rate is more stable and the valve position display scale does not lose an existing degree due to faulty operation.
Description
Technical field
The invention belongs to valve field, be specifically related to a kind of Double-clack butterfly valve.
Background technique
Valve is the controlling component in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.For the valve of liquid control system, from the simplest stop valve to very complicated robot control system(RCS) various valves used, its kind and specification are quite various.Valve can be used for controlling flowing of all kinds fluids such as air, water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.In daily life or manufacturing industry, the application of valve very extensively, valve can be in order to open channel, make gas or the liquid at passage two ends to circulate mutually, valve also can be closed this passage, make gas or the liquid at passage two ends isolated, gas valve is a kind of safe match equipment of novel gas pipeline engineering; For blocking, connect, regulate the gas of pipeline, there is good control characteristic and close sealability; Be applicable on the various gas medium pipelines such as town gas, liquefied petroleum gas (LPG), rock gas, oxygen, at present gas valve on the market mostly is cut-off butterfly valve simple in structure, the demand that its sealability and withstand voltage properties gradually can not satisfying the markets.
Summary of the invention
The objective of the invention is the deficiency for traditional butterfly valve seal and resistance to pressure, develop a easy to operate, simple in structure, butterfly valve that can self-locking.
In order to solve the problems of the technologies described above, the invention provides a kind of Double-clack butterfly valve, comprise: valve body, valve rod, valve key, in described valve body, rubber seal ring is housed, flap is installed in rubber seal ring, described flap is connected with valve rod, described valve rod is connected with switch knob, and described flap shape and rubber seal ring cavity shape coupling, characterized by further comprising: valve position bidding quotation, switch lock, described valve position dish is fixedly connected with valve body, and described switch lock is arranged on valve key.
Preferably, the flap of above-mentioned Double-clack butterfly valve is Double-clack, and it is to be parallel to each other that two flap position are closed.
Preferably, be provided with stuffing box gland between the valve body of above-mentioned Double-clack butterfly valve and valve rod.
Beneficial effect of the present invention is: this butterfly valve adopts the Double-clack design, form secondary seal, its resistance to pressure and sealing are all promoted on a large scale, the design of valve position dish can be controlled flow easily, can lock the number of degrees by switch lock after the number of degrees of adjusting the valve position dish, flow is more stable can not lose the valve position dish number of degrees that first have because of misoperation.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Embodiment
Below in conjunction with accompanying drawing, the present invention is further explained to explanation.
In figure, valve body 1, flap 2, valve position dish 3, switch lock 4, valve key 5.
As Fig. 1, rotating valve spanner 5, adjust the position of the flap 2 in valve body 1 to realize the control to flow by valve rod according to 3 the number of degrees on the valve position dish, closes the self-locking that the switch lock 4 be positioned on valve key is realized valve key 5 after adjusting reading.
Above one embodiment of the present of invention are had been described in detail, but described content is only preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalization variations of doing according to the present patent application scope and improvement etc., within all should belonging to patent covering scope of the present invention.
Claims (3)
1. a Double-clack butterfly valve, comprise: valve body, valve rod, in described valve body, rubber seal ring is housed, flap is installed in rubber seal ring, described flap is connected with valve rod, and described flap shape and rubber seal ring cavity shape coupling, characterized by further comprising: valve position bidding quotation, switch lock, described valve position dish is arranged in the shell of valve key, and described switch lock is arranged on valve key.
2. obtain according to claim 1 the Double-clack butterfly valve, the flap that it is characterized in that described Double-clack butterfly valve is double valve plates, and two valve plate position relationships are for being parallel to each other.
According to claim 1 the Double-clack butterfly valve, it is characterized in that being provided with stuffing box gland between the valve body of described Double-clack butterfly valve and valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480125.4A CN103486283A (en) | 2013-10-15 | 2013-10-15 | Double-flap butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480125.4A CN103486283A (en) | 2013-10-15 | 2013-10-15 | Double-flap butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103486283A true CN103486283A (en) | 2014-01-01 |
Family
ID=49826757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310480125.4A Pending CN103486283A (en) | 2013-10-15 | 2013-10-15 | Double-flap butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103486283A (en) |
-
2013
- 2013-10-15 CN CN201310480125.4A patent/CN103486283A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140101 |
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| WD01 | Invention patent application deemed withdrawn after publication |