CN108050297B - Three-stage exhaust and waterproof hammer type air valve - Google Patents
Three-stage exhaust and waterproof hammer type air valve Download PDFInfo
- Publication number
- CN108050297B CN108050297B CN201810093192.3A CN201810093192A CN108050297B CN 108050297 B CN108050297 B CN 108050297B CN 201810093192 A CN201810093192 A CN 201810093192A CN 108050297 B CN108050297 B CN 108050297B
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- piston
- valve body
- exhaust port
- exhaust
- floater
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
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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
- F16K1/32—Details
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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
- F16K1/32—Details
- F16K1/54—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The invention discloses a three-stage exhaust and waterproof hammer type air valve, and relates to the technical field of pipeline transportation water exhaust. The lower valve body is internally provided with an air cylinder and a containing cavity, the lower end of the containing cavity is provided with a guide casing, the bottom of the guide casing is provided with an opening I, a float is arranged in the guide casing, and the bottom of the lower valve body is provided with a water outlet; the upper floater consists of an upper floater component I and an upper floater component II, an opening II is arranged between the upper floater component I and the upper floater component II to accommodate a piston, a trace exhaust port is arranged in the piston, a piston cylinder is arranged at the bottom end of the upper floater component II, a piston cylinder vent hole is arranged between the piston cylinder and the upper floater component I, and a small amount of exhaust port is arranged between the piston and the upper floater component I; the top of the lower valve body is connected with an upper valve cover, a large exhaust port is arranged in the middle of the upper valve cover, the caliber of the large exhaust port is smaller than the diameter of the upper floater. The invention has the beneficial effects that: the valve can effectively avoid the phenomena of valve sealing and water leakage, is not easy to damage, has high exhaust efficiency and has less environmental pollution.
Description
Technical Field
The invention relates to the technical field of pipeline transportation water exhaust, in particular to a three-stage exhaust and waterproof hammer type air valve.
Background
At present, in the prior art, in order to ensure that gas can be discharged at a high speed when a water pipe is flushed, thereby reducing running water resistance, avoiding pipe explosion and ensuring normal operation of the pipe, a small exhaust port is often adopted, a floating ball direct-ejection or lever moment type is adopted for sealing, and a micro exhaust valve or a gas guide pipe is externally connected. The defects are that: the small exhaust port area is larger than 0.5 square centimeter or the pressure difference between the inside and the outside of the valve is larger than 0.6Mpa, and the exhaust cannot be opened. The diameter of the micro exhaust hole is too small, so that the high-speed exhaust amount is small, and the gas in the pipeline cannot be exhausted in time, so that the pressure of the water supply source is increased, and the water flow speed is slow; the air valve closing pressure is low, valve sealing phenomenon is easy to occur when high-speed exhaust is carried out, and the high-speed exhaust function is lost; the external accessory and the air duct are easy to damage.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention provides the three-stage exhaust and waterproof hammer type air valve which is simple in structure, reasonable in design and convenient to use, is suitable for different exhaust port areas and differential pressure between the inside and the outside of the valve, can effectively avoid the phenomena of valve sealing and water leakage, is not easy to damage, has high exhaust efficiency and has less environmental pollution.
In order to solve the problems existing in the background technology, the invention adopts the following technical scheme: the valve comprises a lower valve body, an upper valve cover and a floater; the lower valve body is internally provided with an air cylinder and a containing cavity, the lower end of the containing cavity is provided with a guide casing, the bottom of the guide casing is provided with an opening I, a float is arranged in the guide casing, and the bottom of the lower valve body is provided with a water outlet; the upper floater consists of an upper floater component I and an upper floater component II, an opening II is arranged between the upper floater component I and the upper floater component II and is used for accommodating a piston, a micro exhaust port which is axially communicated is arranged in the piston, a piston cylinder is arranged at the bottom end of the upper floater component II, a piston cylinder vent hole is arranged in the middle of the piston cylinder, when the lower floater floats upwards, the top end of the lower floater seals the piston cylinder vent hole, and a small amount of exhaust port is arranged between the piston and the upper floater component I; the top of the lower valve body is connected with an upper valve cover, a large exhaust port is arranged in the middle of the upper valve cover, and the caliber of the large exhaust port is smaller than the diameter of the upper floater.
Further, the upper valve cover is connected with the lower valve body through bolts.
Further, a spring is arranged between the piston and the first upper float assembly.
Further, a small amount of vent cover plates are arranged on the top of the upper float assembly.
Further, a vent hole is arranged between the first upper float assembly and the second upper float assembly.
Further, a sealing gasket is arranged between the lower valve body and the upper valve cover.
Further, the float is made of high-strength polypropylene material.
Further, a sealing component is arranged at the top end of the lower floater.
After the structure is adopted, the invention has the beneficial effects that: the upper float assembly is a large vent hole cover plate and a micro and small amount of exhaust devices; the lifting cover, the small hole sealing component and the small hole exhaust valve in the prior art can be replaced; the functional requirements of arbitrarily amplifying a small amount of exhaust hole area and opening exhaust under any pressure according to industrial and mining requirements can be realized; the micro and small amount of exhaust functions are controlled by the lower floater and the piston connecting rod, and the small amount of exhaust area is determined by the piston area, namely the piston area is increased, the small amount of exhaust area can be increased, and vice versa; the installation quantity is reduced, the installation is simplified, the failure rate is low, and the water delivery efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Reference numerals illustrate: the valve comprises a lower valve body 1, a guide casing 11, a water outlet 12, an upper valve cover 2, a large exhaust port 21, a float 3, an upper float assembly I31, an upper float assembly II 32, a lower float 33, a piston 34, a micro exhaust port 35, a piston cylinder vent hole 36, a small exhaust port 37, a spring 38, a small exhaust port cover plate 39 and a vent hole 310.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is presented by way of example only and is not intended to limit the invention.
As shown in fig. 1, the following technical scheme is adopted in this specific embodiment: it comprises a lower valve body 1, an upper valve cover 2 and a float 3; the lower valve body 1 is internally provided with an air cylinder and a containing cavity, the lower end of the containing cavity is provided with a guide protection cylinder 11, the bottom of the guide protection cylinder 11 is provided with an opening I, the containing cavity is internally provided with a float 3, and the bottom of the lower valve body 1 is provided with a water outlet 12; the float 3 consists of an upper float and a lower float 33, the upper float consists of an upper float component I31 and an upper float component II 32, an opening II is arranged between the upper float component I31 and the upper float component II 32 and is used for accommodating a piston 34, a micro exhaust port 35 which is axially communicated is arranged in the piston 34, a piston cylinder is arranged at the bottom end of the upper float component II 32, a piston cylinder vent hole 36 is arranged in the middle of the piston cylinder, and when the lower float 33 floats upwards, the top end of the lower float 33 seals the piston cylinder vent hole 36, so that the lower float 33 is a piston cylinder vent hole cover plate and a main body of lifting force and pulling force, and a small amount of exhaust port 37 is arranged between the piston 34 and the upper float component I31; the top of the lower valve body 1 is connected with an upper valve cover 2, a large exhaust port 21 is arranged in the middle of the upper valve cover 2, and the caliber of the large exhaust port 21 is smaller than the diameter of an upper floater, so that the upper floater is a large exhaust port cover plate and a small quantity and trace exhaust device.
Further, the upper valve cover 2 and the lower valve body 1 are connected through bolts.
Further, a spring 38 is provided between the piston 34 and the upper float assembly 31.
Further, a small amount of vent cover 39 is provided on the top of the upper float assembly 31.
Further, a vent 310 is provided between the first upper float assembly 31 and the second upper float assembly 32.
Further, a sealing gasket is arranged between the lower valve body 1 and the upper valve cover 2.
Further, the float 3 is made of high-strength polypropylene material.
Further, a sealing assembly is provided at the top end of the lower float 33.
The working principle of the invention is as follows: when no water exists in the lower valve body 1, the upper and lower floats fall to the bottom of the guide casing, the large exhaust port 21 is opened at the moment, when the lower valve body 1 is gradually filled with water, the upper and lower floats gradually rise, and finally the upper float assembly 31 blocks the large exhaust port 21, the lower float 33 blocks the piston cylinder vent hole 36, and the large exhaust port and the piston cylinder vent hole terminate exhaust at the moment; when a small amount of gas gradually gathers at the upper part of the lower valve body 1, the water level line gradually descends, and when the water level line descends to the middle part of the lower float 33, the piston cylinder vent hole 36 is opened, the trace amount of gas is discharged from the trace amount exhaust port 35, and the piston 34 is pushed away by the trace amount of gas to perform a small amount of exhaust; when the pipeline is under negative pressure, the upper and lower floats fall to the bottom of the guide casing for air suction.
The specific embodiment adopts an upper and lower double-floater structure, and the upper floater component is a large vent hole cover plate and a micro and small amount of venting devices; the lifting cover, the small hole sealing component and the small hole exhaust valve in the prior art can be replaced; the functional requirements of arbitrarily amplifying a small amount of exhaust hole area and opening exhaust under any pressure according to industrial and mining requirements can be realized; the micro and small amount of exhaust functions are controlled by the lower floater and the piston connecting rod, and the small amount of exhaust area is determined by the piston area, namely the piston area is increased, the small amount of exhaust area can be increased, and vice versa; the installation quantity is reduced, the installation is simplified, the failure rate is low, the water delivery efficiency is improved, and the material and installation cost is reduced by about 15%.
The foregoing is merely illustrative of the present invention and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (6)
1. The three-stage exhaust and waterproof hammer type air valve is characterized by comprising a lower valve body, an upper valve cover and a floater; the lower valve body is internally provided with an air cylinder and a containing cavity, the lower end of the containing cavity is provided with a guide casing, the bottom of the guide casing is provided with an opening I, a float is arranged in the guide casing, and the bottom of the lower valve body is provided with a water outlet; the upper floater consists of an upper floater component I and an upper floater component II, an opening II is arranged between the upper floater component I and the upper floater component II, a piston is arranged in the opening II, a micro exhaust port which is axially communicated is arranged in the piston, a piston cylinder is arranged at the bottom end of the upper floater component II, a piston cylinder vent hole is arranged in the middle of the piston cylinder, and a small amount of exhaust ports are arranged between the piston and the upper floater component I; the top of the lower valve body is connected with an upper valve cover, a large exhaust port is arranged in the middle of the upper valve cover, and the caliber of the large exhaust port is smaller than the diameter of the upper floater;
A spring is arranged between the piston and the first upper float assembly;
when no water exists in the lower valve body, the upper and lower floats fall to the bottom of the guide casing, the large exhaust port is opened at the moment, when the lower valve body is gradually filled with water, the upper and lower floats gradually rise, and finally the upper float assembly blocks the large exhaust port, the lower float blocks the vent hole of the piston cylinder, and the large exhaust port and the vent hole of the piston cylinder terminate exhaust at the moment; when a small amount of gas gradually gathers at the upper part of the lower valve body, the water level line gradually descends, and when the water level line descends to the middle part of the lower floater, the vent hole of the piston cylinder is opened, the trace amount of gas is discharged from the trace amount of gas outlet, and the trace amount of gas pushes the piston to perform a small amount of gas discharge; when the pipeline is under negative pressure, the upper and lower floats fall to the bottom of the guide casing to suck air;
and a vent hole is arranged between the upper float assembly I and the upper float assembly II.
2. The three stage exhaust, water hammer resistant air valve of claim 1 wherein said upper valve cover and lower valve body are bolted.
3. The three stage exhaust, water hammer resistant air valve of claim 1 wherein a small number of vent covers are provided on a top of said upper float assembly.
4. The three stage exhaust, water hammer resistant air valve of claim 1 wherein a gasket is disposed between the lower valve body and the upper valve cover.
5. The three stage venting, water resistant hammer check valve as defined in claim 1 wherein said float is a high strength polypropylene material.
6. The three stage venting, waterproof hammer air valve of claim 1 wherein the lower float top end is provided with a seal assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810093192.3A CN108050297B (en) | 2018-01-31 | 2018-01-31 | Three-stage exhaust and waterproof hammer type air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810093192.3A CN108050297B (en) | 2018-01-31 | 2018-01-31 | Three-stage exhaust and waterproof hammer type air valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108050297A CN108050297A (en) | 2018-05-18 |
| CN108050297B true CN108050297B (en) | 2024-09-24 |
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ID=62124989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810093192.3A Active CN108050297B (en) | 2018-01-31 | 2018-01-31 | Three-stage exhaust and waterproof hammer type air valve |
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| Country | Link |
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| CN (1) | CN108050297B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197051B (en) * | 2020-11-25 | 2021-04-13 | 中国空气动力研究与发展中心超高速空气动力研究所 | Pipeline protection device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204985956U (en) * | 2015-09-19 | 2016-01-20 | 杨玉明 | Cylinder type air valve |
| CN106195381A (en) * | 2016-08-22 | 2016-12-07 | 武汉大禹阀门股份有限公司 | A kind of combined air cock |
| CN207999538U (en) * | 2018-01-31 | 2018-10-23 | 杨玉明 | Three-level exhaust, waterproof plektron air valve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101086020B1 (en) * | 2011-07-05 | 2011-11-22 | 대전광역시 시설관리공단 | Water shock prevention air valve device |
| CN104913111B (en) * | 2015-06-05 | 2017-09-29 | 株洲南方阀门股份有限公司 | Water hammer-resistant method for exhausting during water hammer-resistant air valve and pipeline use |
| CN106764036A (en) * | 2016-12-21 | 2017-05-31 | 苏州艾尔泰流体控制有限公司 | A kind of water hammer-resistant device |
-
2018
- 2018-01-31 CN CN201810093192.3A patent/CN108050297B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204985956U (en) * | 2015-09-19 | 2016-01-20 | 杨玉明 | Cylinder type air valve |
| CN106195381A (en) * | 2016-08-22 | 2016-12-07 | 武汉大禹阀门股份有限公司 | A kind of combined air cock |
| CN207999538U (en) * | 2018-01-31 | 2018-10-23 | 杨玉明 | Three-level exhaust, waterproof plektron air valve |
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| Publication number | Publication date |
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| CN108050297A (en) | 2018-05-18 |
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