CN206429674U - A kind of gas pipeline butterfly valve - Google Patents
A kind of gas pipeline butterfly valve Download PDFInfo
- Publication number
- CN206429674U CN206429674U CN201621491470.3U CN201621491470U CN206429674U CN 206429674 U CN206429674 U CN 206429674U CN 201621491470 U CN201621491470 U CN 201621491470U CN 206429674 U CN206429674 U CN 206429674U
- Authority
- CN
- China
- Prior art keywords
- valve
- shaft sleeve
- butterfly
- upper shaft
- seal closure
- 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.)
- Expired - Fee Related
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- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
The utility model provides a kind of gas pipeline butterfly valve, including electric device, and the valve body and butterfly plate connected by valve rod, rubber ring is provided with the inside of the valve body between butterfly plate, the valve rod is connected with butterfly plate, it is connected by Upper shaft sleeve with electric device, the valve rod is connected by Lower shaft sleeve with rotating disk, relief valve is provided with the Upper shaft sleeve, the relief valve includes seal closure and the valve element in seal closure, the valve element compresses the pressure relief opening of seal closure, the valve element is fixedly connected on the bottom of alignment pin, the seal closure is fixed on Upper shaft sleeve, pipeline is drawn between the Upper shaft sleeve and upper valve rod to be connected with leakage gas controlling device.Appendix butterfly valve described in the utility model, can monitor the leakage of gas, while can avoid gas pressure is excessive from causing the problems such as butterfly plate is stuck, reasonable in design, good corrosion resistance, service life is long.
Description
Technical field
The utility model belongs to pipeline butterfly valve technical field, more particularly, to a kind of gas pipeline butterfly valve.
Background technology
Valve is the important control unit in fluid transport system, with cut-off, regulation, water conservancy diversion, prevents adverse current, voltage stabilizing etc.
Function.Valve can be used for the various Korrosionsmediums such as the empty gas and water of control, steam.Butterfly valve is a kind of simple regulating valve, in pipeline
Upper main rise is cut off and throttling action.
But in gas pipeline application, due to when gas pressure is excessive in pipe, usually there is the stuck problem of butterfly plate, valve plate
Open relatively elaborate, and gas corrosion is larger, perishable butterfly valve, often leads to the problems such as gas is leaked.
The content of the invention
In view of this, the utility model is directed to a kind of gas pipeline butterfly valve, to solve asking for background technology proposition
Topic.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in:
A kind of gas pipeline butterfly valve, including electric device, and the valve body and butterfly plate connected by valve rod;
The valve body includes Upper shaft sleeve and Lower shaft sleeve, respectively positioned at the upper and lower ends of valve body, the valve body inner side and butterfly plate
Between be provided with rubber ring;
The valve rod is connected with butterfly plate, is connected by Upper shaft sleeve with electric device, and the valve rod passes through Lower shaft sleeve and rotating disk
Connection;
Relief valve is provided with the Upper shaft sleeve, the relief valve includes seal closure and the valve element in seal closure, institute
The pressure relief opening on valve element compression seal closure is stated, the valve element is fixedly connected on the bottom of alignment pin, and the seal closure is fixed on
On axle sleeve;
Pipeline is drawn between the Upper shaft sleeve and upper valve rod to be connected with leakage gas controlling device;
The valve rod is connected with Upper shaft sleeve and Lower shaft sleeve respectively by expansion pin.
Further, the butterfly plate is alloy material, and surface scribbles corrosion-resistant skin of paint.
Further, the number of the expansion pin is more than 2.
Further, the valve element is cone structure, and the valve element conical surface compresses seal closure.
Further, the rubber ring is nitrile rubber circle or fluorine rubber ring.
Relative to prior art, a kind of gas pipeline butterfly valve described in the utility model has the advantage that:
A kind of gas pipeline butterfly valve described in the utility model, butterfly plate and supervisor's inner sleeve surface have anticorrosive coat, so that
Reduce corrosion of the poison gas to butterfly valve, butterfly valve can be very good to detect the leakage of poison gas, the butterfly provided with leakage gas controlling device
Pressure detecting instrument and relief valve are additionally provided with valve, can avoid gas pressure is excessive from causing the problems such as butterfly plate is stuck, the structure is set
Meter is reasonable, good corrosion resistance, helps to extend butterfly valve service life.
Brief description of the drawings
Constitute a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing:
Fig. 1 is the gas pipeline butterfly valve structure schematic diagram described in the utility model embodiment;
Fig. 2 is pressure-relief valve structure schematic diagram described in the utility model embodiment.
Description of reference numerals:
1- electric devices;2- valve rods;3- butterfly plates;4- valve rods;5- Upper shaft sleeves;6- Lower shaft sleeves;7- rubber rings;8- rotating disks;9-
Relief valve;10- valve elements;11- seal closures;12- alignment pins;13- reveals gas controlling device;14- expansion pins;15- relief holes.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In the description of utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicate
Or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to illustrate in the description of utility model, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, it can understand above-mentioned by concrete condition
Concrete meaning of the term in the utility model.
Describe utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of gas pipeline butterfly valve, it is characterised in that:Including electric device 1, and the valve body 2 connected by valve rod 4
And butterfly plate 3, the valve body 2 includes Upper shaft sleeve 5 and Lower shaft sleeve 6, respectively positioned at the upper and lower ends of valve body 2, the inner side of the valve body 2 with
Rubber ring 7 is provided between butterfly plate 3, the valve rod 4 is connected with butterfly plate 3, is connected by Upper shaft sleeve 5 with electric device 1, the valve rod 4
It is connected by Lower shaft sleeve 6 with rotating disk 8, relief valve 9 is provided with the Upper shaft sleeve 5, the relief valve 9 includes seal closure 11 and set
In the valve element 10 in seal closure, the valve element 10 compresses the pressure relief opening 15 on seal closure 11, and the valve element 10 is fixedly connected on fixed
The bottom of position pin 12, the seal closure 11 is fixed on Upper shaft sleeve 5, and pipeline and leakage are drawn between the Upper shaft sleeve 5 and upper valve rod 4
Gas controlling device 13 is connected, and the valve rod 4 is connected with the Lower shaft sleeve 6 of Upper shaft sleeve 5 respectively by expansion pin 14.
In the butterfly valve application gas pipeline, gas flow is controlled, by controlling electric device 1 to control valve rod 2 to drive butterfly
Plate 3 is controlled to gas in pipelines flowing, when gas pressure is too high, and gas pressure can top be held upwards by valve element 10 so that
Gas is from the pressure release of relief hole 15, and when the pressure decreases, valve element can be by Action of Gravity Field in relief hole tight closure, so that control pipe
Interior pressure, while installing the air-tightness that leakage gas-detecting device detects relief valve, the setting of relief valve 9 can avoid gas
Pressure is excessive to cause the problem of butterfly plate is stuck, the reasonable in design, good corrosion resistance, helps to extend butterfly valve service life.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of gas pipeline butterfly valve, it is characterised in that:Including electric device (1), and the valve body connected by valve rod (4)
And butterfly plate (3) (2);
The valve body (2) includes Upper shaft sleeve (5) and Lower shaft sleeve (6), respectively positioned at the upper and lower ends of valve body (2), the valve body (2)
Rubber ring (7) is provided between inner side and butterfly plate (3);
The valve rod (4) is connected with butterfly plate (3), is connected by Upper shaft sleeve (5) with electric device (1), and the valve rod (4) is under
Axle sleeve (6) is connected with rotating disk (8);
Relief valve (9) is provided with the Upper shaft sleeve (5), the relief valve (9) includes seal closure (11) and in seal closure
Valve element (10), the valve element (10) compresses the pressure relief opening (15) on seal closure (11), and the valve element (10) is fixedly connected on fixed
The bottom of position pin (12), the seal closure (11) is fixed on Upper shaft sleeve (5);
The Upper shaft sleeve (5) is connected with drawing pipeline between upper valve rod (4) with leakage gas controlling device (13);
The valve rod (4) is connected with Upper shaft sleeve (5) and Lower shaft sleeve (6) respectively by expansion pin (14).
2. a kind of gas pipeline butterfly valve according to claim 1, it is characterised in that the butterfly plate (3) is alloy material, and
Surface scribbles corrosion-resistant skin of paint.
3. a kind of gas pipeline butterfly valve according to claim 1, it is characterised in that the number of the expansion pin (14) is 2
More than individual.
4. a kind of gas pipeline butterfly valve according to claim 1, it is characterised in that the valve element (10) is cone structure,
And valve element (10) conical surface compresses seal closure (11).
5. a kind of gas pipeline butterfly valve according to claim 1, it is characterised in that the rubber ring (7) is nitrile rubber
Circle or fluorine rubber ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621491470.3U CN206429674U (en) | 2016-12-30 | 2016-12-30 | A kind of gas pipeline butterfly valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621491470.3U CN206429674U (en) | 2016-12-30 | 2016-12-30 | A kind of gas pipeline butterfly valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206429674U true CN206429674U (en) | 2017-08-22 |
Family
ID=59585423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621491470.3U Expired - Fee Related CN206429674U (en) | 2016-12-30 | 2016-12-30 | A kind of gas pipeline butterfly valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206429674U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107631036A (en) * | 2017-11-13 | 2018-01-26 | 佛山市恒爱网络科技有限公司 | A kind of wafer type butterfly valve |
CN114294428A (en) * | 2022-02-08 | 2022-04-08 | 国工控股集团有限公司 | Accurate positioning type metal seal butterfly valve |
CN114738502A (en) * | 2022-04-27 | 2022-07-12 | 保一集团有限公司 | Steam pipeline butterfly valve with pressure release function |
CN115560124A (en) * | 2022-12-07 | 2023-01-03 | 潍坊宏图环保设备有限公司 | Valve gate |
-
2016
- 2016-12-30 CN CN201621491470.3U patent/CN206429674U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107631036A (en) * | 2017-11-13 | 2018-01-26 | 佛山市恒爱网络科技有限公司 | A kind of wafer type butterfly valve |
CN114294428A (en) * | 2022-02-08 | 2022-04-08 | 国工控股集团有限公司 | Accurate positioning type metal seal butterfly valve |
CN114738502A (en) * | 2022-04-27 | 2022-07-12 | 保一集团有限公司 | Steam pipeline butterfly valve with pressure release function |
CN114738502B (en) * | 2022-04-27 | 2023-08-29 | 保一集团有限公司 | Steam pipeline butterfly valve with pressure relief function |
CN115560124A (en) * | 2022-12-07 | 2023-01-03 | 潍坊宏图环保设备有限公司 | Valve gate |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20181230 |
|
CF01 | Termination of patent right due to non-payment of annual fee |