CN202338668U - Self-reliance breather valve - Google Patents
Self-reliance breather valve Download PDFInfo
- Publication number
- CN202338668U CN202338668U CN 201120491235 CN201120491235U CN202338668U CN 202338668 U CN202338668 U CN 202338668U CN 201120491235 CN201120491235 CN 201120491235 CN 201120491235 U CN201120491235 U CN 201120491235U CN 202338668 U CN202338668 U CN 202338668U
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- valve
- piston
- well
- inhalation valve
- water
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- Expired - Lifetime
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model relates to a self-reliance breather valve, which is used for resolving the problem that a blowing sealed water well is prone to evacuation in pumping water and the well water level is difficult to measure accurately. The breather valve comprises a valve body, an upper valve cover, a lower valve cover and a piston arranged in the breather valve, wherein the upper valve cover and the lower valve cover are respectively connected with the upper end and the lower end of the valve body. Due to the fact that the piston can move up and down in the valve body, the breather valve can be opened or closed. In pumping water, the breather valve is opened to enable the well to be communicated with the external. Thus, the problem that the water well is prone to evacuate in the pumping water is resolved, and the liquid level in the well can be accurately measured. When the pressure in the well increases, the breather valve is closed to prevent well water from erupting. The breather valve is simple in structure and convenient to maintain.
Description
Technical field
The utility model relates to the inhalation valve field, relates in particular to a kind of self-powering type inhalation valve that is applied in water head site blowing sealed type well or other similar operating mode.
Background technique
Inhalation valve is normally a kind of to be installed in tank top and to be used for keeping the normal a kind of safe vent valve of jar internal pressure, and its working principle is that the camber of spring power of utilizing the deadweight of inhalation valve valve disc itself or acting on valve disc balances each other and works with the jar thrust that inside and outside differential pressure produced.
For blowing sealed type well, the gauge pressure at its well head place is about 0.1MPa.When the startup water pump drew water, because the well head sealing, the pressure in the well possibly become negative pressure again, thereby causes pump entrance vaccuum phenomenon to occur.In addition, when the startup water pump draws water, need the liquid level in the monitoring well; In the pressure-type liquidometer measuring well during liquid level, if level meter not with atmosphere, can since borehole pressure change; Liquid level indication is inaccurate, the problem of well liquid level level meter indication water shortage when higher occurs.Yet, if directly evacuation port will seal well head and atmosphere, when pump stops pumping; Because borehole pressure raises; Well water can be under pressure from the evacuation port ejection, and if the height of the emptying mouth of pipe is elevated to more than 10 meters, when winter temperature is lower than 0 ℃; Water in the emptying pipe can freeze, and does not have the effect with atmosphere.
Summary of the invention
In view of this, the purpose of the utility model is, a kind of self-powering type inhalation valve that is installed in the well head place is provided, and vaccuum phenomenon when drawing water, occurs to solve blowing sealed type well, and the well water liquid level is difficult to the accurately problem of measurement.
For realizing above-mentioned purpose, the utility model adopts following technological scheme:
A kind of self-powering type inhalation valve; Comprise bonnet, bottom flange, valve body and piston, the two ends up and down of said valve body connect bonnet and bottom flange respectively, and form the inhalation valve inner chamber; Be respectively equipped with on said bonnet and the bottom flange and be communicated with inhalation valve inner chamber and extraneous upper shed and under shed; The end that said under shed is charged in the inhalation valve inner chamber is provided with equalizing orifice, and said piston is arranged in the inhalation valve inner chamber, and can between bonnet and bottom flange, move along valve interior wall; Side at said piston is provided with protuberance, has a plurality of perforates on the said protuberance.
Preferably, also be provided with seal ring in the lower end of said bonnet around upper shed.
Preferably, the lower end of said piston is provided with ring-type compensation end, and said compensation end is close to when piston moves down and is sealed under shed.
Preferably, the upper end of said bonnet also is provided with the water outlet that is communicated with upper shed, said water outlet flare.
Visible by technique scheme; The self-powering type inhalation valve that the utility model provides; Owing in valve body, be provided with the piston that can move up and down, when drawing water, inhalation valve is opened to make in the well and is in communication with the outside; Thereby effectively solve vaccuum phenomenon appears in well when drawing water problem, and liquid level can be measured accurately also in the well.When borehole pressure raise, inhalation valve was closed, prevented the well water ejection.In addition, inhalation valve is provided with tubaeform water outlet, collects the low amounts of water that the preceding air-flow ejection of piston unsealing is taken out of, thereby reduces surrounding environment influence.The inhalation valve that the utility model provides, overall structure is simple, easy to maintenance.
Description of drawings
Fig. 1 provides the structural representation of a kind of preferred implementation of self-powering type inhalation valve for the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated, but therefore the utility model does not receive any restriction.
Fig. 1 shows a kind of self-powering type inhalation valve that the utility model provides, and said self-powering type inhalation valve comprises valve body 1, bonnet 2, bottom flange 3 and piston 4.
Wherein, it is cylindrical that said valve body 1 is cavity, and the two ends up and down of its cavity connect bonnet 2 and bottom flange 3 respectively, and said bonnet 2 is fixedly connected and seals with valve body 1 through bolt with bottom flange 3, forms inhalation valve inner chamber 12 in the valve body 1 thereby be formed on.In addition, be respectively equipped with the upper shed 5 and under shed 6 that inhalation valve inner chamber 12 is in communication with the outside on said bonnet 2 and the bottom flange 3, so that water or air can pass in and out inhalation valve.The end that said under shed 6 is charged into inhalation valve inner chamber 12 is provided with equalizing orifice 9, and said equalizing orifice 9 can keep inner chamber 12 to be in communication with the outside when under shed 6 is sealed.
Preferably, the upper end of said bonnet 2 also is provided with the water outlet 7 that is communicated with upper shed 5, and said water outlet 7 adopts tubaeform design, is used to collect the low amounts of water that the preceding air-flow ejection of piston unsealing is taken out of, just when air-breathing, water is regained.
Said piston 4 is the cavity cylindrical structure; Be arranged in the inhalation valve inner chamber 12, be provided with cyclic lug in the side of said piston 4, said protuberance is respectively near the two ends up and down of piston 4; The outside that itself and inner chamber 12 are pressed close to is circular; Diameter is slightly less than the diameter of inhalation valve inner chamber 12, leaves certain interval thereby make between the protuberance of valve body 2 and piston 4, is convenient to piston 4 moving up and down in inhalation valve inner chamber 12.Water and air also is provided with a plurality of perforates 8 on the said protuberance, so that can circulate in inner chamber 12.Wherein, said piston 4 moves up and can seal upper shed 5, can seal under shed 6 when moving down.
Preferably, the lower end of said piston 4 is provided with compensation end 10, said compensation end 10 circlewise, lower end that can instead of piston 4 contact with under shed, add degree of finish and the flatness that be prone to guarantee surface of contact man-hour to reduce area of contact, to make, thereby guarantee seals.
Preferably; Also be provided with seal ring 11 in the lower end of said bonnet 2 around upper shed 5; Said seal ring 11 can be fixed on the lower end of bonnet 2 through welding or the mode that is threaded; Further, said seal ring 11 can be the different a plurality of seal rings of diameter, thereby seals upper shed 5 better with the upper end of piston 4.
The self-powering type inhalation valve that the utility model provides; When borehole pressure during greater than the external world, piston moves up under the buoyancy of water effect, and gas is discharged through upper shed through the perforate of under shed and piston protuberance in the well simultaneously; Seal ring until piston contact bonnet; Piston tightly withstands seal ring in well with under the differential pressure action in the external world, to form sealing, prevent the well water ejection.
When drawing water; When borehole pressure on the low side; Piston moves down the sealing under shed under the effect of self gravitation; This moment, ambient atmosphere was through the balance that in equalizing orifice and well, keep-ups pressure of the perforate on upper shed and the piston protuberance, thereby avoided when drawing water, occurring vaccuum phenomenon, and can accurately measure the well water liquid level.
Claims (4)
1. a self-powering type inhalation valve is characterized in that, said self-powering type inhalation valve comprises bonnet, bottom flange, valve body and piston; The two ends up and down of said valve body connect bonnet and bottom flange respectively; And form the inhalation valve inner chamber, and being respectively equipped with the upper shed and the under shed that are communicated with the inhalation valve inner chamber and the external world on said bonnet and the bottom flange, the end that said under shed is charged in the inhalation valve inner chamber is provided with equalizing orifice; Said piston is arranged in the inhalation valve inner chamber; And can between bonnet and bottom flange, move along valve interior wall, be provided with protuberance in the side of said piston, have a plurality of perforates on the said protuberance.
2. inhalation valve as claimed in claim 1 is characterized in that, also is provided with the seal ring around upper shed in the lower end of said bonnet.
3. inhalation valve as claimed in claim 2 is characterized in that, the lower end of said piston is provided with ring-type compensation end, and said compensation end is close to when piston moves down and is sealed under shed.
4. inhalation valve as claimed in claim 3 is characterized in that the upper end of said bonnet also is provided with the water outlet that is communicated with upper shed, said water outlet flare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120491235 CN202338668U (en) | 2011-11-30 | 2011-11-30 | Self-reliance breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120491235 CN202338668U (en) | 2011-11-30 | 2011-11-30 | Self-reliance breather valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202338668U true CN202338668U (en) | 2012-07-18 |
Family
ID=46487360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120491235 Expired - Lifetime CN202338668U (en) | 2011-11-30 | 2011-11-30 | Self-reliance breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202338668U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104528220A (en) * | 2014-12-05 | 2015-04-22 | 常熟市贝特机电制造有限公司 | Breather valve |
| CN107300034A (en) * | 2017-05-26 | 2017-10-27 | 苏州市汇峰机械设备有限公司 | One kind combination leakproof breather valve |
| CN107339482A (en) * | 2017-05-26 | 2017-11-10 | 苏州市汇峰机械设备有限公司 | A kind of leakproof breather valve |
| CN109253292A (en) * | 2018-11-28 | 2019-01-22 | 大连英蕴科技有限公司 | A kind of ship vent valve and air pressure balance method |
-
2011
- 2011-11-30 CN CN 201120491235 patent/CN202338668U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104528220A (en) * | 2014-12-05 | 2015-04-22 | 常熟市贝特机电制造有限公司 | Breather valve |
| CN107300034A (en) * | 2017-05-26 | 2017-10-27 | 苏州市汇峰机械设备有限公司 | One kind combination leakproof breather valve |
| CN107339482A (en) * | 2017-05-26 | 2017-11-10 | 苏州市汇峰机械设备有限公司 | A kind of leakproof breather valve |
| CN107339482B (en) * | 2017-05-26 | 2019-12-20 | 苏州诺济玛金属制品有限公司 | Leak-proof breather valve |
| CN109253292A (en) * | 2018-11-28 | 2019-01-22 | 大连英蕴科技有限公司 | A kind of ship vent valve and air pressure balance method |
| CN109253292B (en) * | 2018-11-28 | 2023-11-03 | 大连英蕴科技有限公司 | Air-permeable valve for ship and air pressure balancing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120718 |
|
| CX01 | Expiry of patent term |