CN112361064A - Integrated gas injection micro-discharge valve - Google Patents
Integrated gas injection micro-discharge valve Download PDFInfo
- Publication number
- CN112361064A CN112361064A CN202011176854.7A CN202011176854A CN112361064A CN 112361064 A CN112361064 A CN 112361064A CN 202011176854 A CN202011176854 A CN 202011176854A CN 112361064 A CN112361064 A CN 112361064A
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- CN
- China
- Prior art keywords
- gas injection
- micro
- injection valve
- exhaust
- pressure
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- 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.)
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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
- 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
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—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
- 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
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
Abstract
The invention discloses an integrated gas injection micro-exhaust valve, which comprises a protective cover, wherein the bottom end of the protective cover is connected with a gas injection valve body through a bolt, a guide shaft is arranged in the protective cover, the top of the guide shaft is connected with a limiting block through a bolt, the bottom end of the limiting block is connected with a spring, the top end of the gas injection valve body is connected with a gas injection valve cover, a micro-exhaust valve seat is connected with the position below the guide shaft by the gas injection valve cover, the bottom end of the gas injection valve cover is connected with a gas injection valve core, the bottom end of the gas injection valve core is connected with a micro-exhaust basket through a bolt, the gas injection micro-exhaust valve adopts an integrated structure and consists of a gas inlet part and a micro-exhaust part positioned in the valve body, the gas injection micro-exhaust valve has simple structural design, reliable operation and durability, the starting pressure of negative pressure suction is determined by the spring, the position of the limiting block can be, there is no concern about spring failure due to water erosion.
Description
Technical Field
The invention relates to the technical field of water supply and drainage, in particular to an integrated gas injection micro-drainage valve.
Background
Valves are pipe fittings for opening and closing pipes, controlling flow direction, regulating and controlling parameters (temperature, pressure and flow) of a conveying medium, and can be classified into shut-off valves, check valves, regulating valves, etc. according to their functions, the valves are control parts in a fluid conveying system, have functions of stopping, regulating, guiding, preventing backflow, stabilizing pressure, shunting or overflowing pressure relief, etc., are used for valves of fluid control systems, ranging from the simplest stop valves to various valves used in extremely complicated automatic control systems, and have quite various varieties and specifications, the valves can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oils, liquid metals and radioactive media, etc., and are classified into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, etc. according to the materials, dual phase steel valves, plastic valves, non-standard valves, etc.;
when the pipeline generates vacuum pressure, the pipeline generates a series of problems of deformation, damage and the like under the action of external force superposition such as soil load, water load and the like outside the pipeline, and the water delivery capacity is reduced because the overflowing area is reduced due to the fact that the pipeline is deflated; the pipeline is damaged if the gas is heavy, and extreme working conditions such as pipe explosion and the like are formed, so that the gas injection micro-exhaust valve is necessary to be installed.
Disclosure of Invention
The invention provides an integrated gas injection micro-discharge valve which can effectively solve the problem that the gas injection micro-discharge valve needs to be installed in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the integrated gas injection micro-exhaust valve comprises a protective cover, wherein the bottom end of the protective cover is connected with a gas injection valve body through a bolt;
a guide shaft is arranged in the protective cover, the top of the guide shaft is connected with a limiting block through a bolt, and the bottom end of the limiting block is connected with a spring;
the top end of the gas injection valve body is connected with a gas injection valve cover, the gas injection valve cover is connected with a micro-volleyball valve seat at the position below the guide shaft, the bottom end of the gas injection valve cover is connected with a gas injection valve core, and the bottom end of the gas injection valve core is connected with a micro-volleyball basket through a bolt;
the micro volleyball basket is internally provided with micro volleyball balls.
According to the technical scheme, the bottom end of the guide shaft is embedded in the middle of the gas injection valve cover.
According to the technical scheme, the valve seat sealing ring is embedded in the joint of the protective cover and the gas injection valve body.
According to the technical scheme, the top end of the protective cover is connected with two ring nuts.
According to the technical scheme, the micro-row floating ball is a spherical free hollow ball.
According to the technical scheme, the gas injection valve body is of a full-bore structure, and all parts of the internal channel are not smaller than a nominal bore.
According to the technical scheme, the large-hole gas injection part and the micro-exhaust structure of the gas injection micro-exhaust valve are integrated, when the pipeline is in a negative pressure state, the pressure of the spring is smaller than the pressure caused by the negative pressure, the gas injection valve core is separated from the valve seat sealing ring under the action of the negative pressure, a large amount of gas suction is started, and a buffer air bag is formed, so that water vaporization can be prevented, and further, the generation of a closing water hammer is prevented;
when the pipeline starts to work under normal pressure, the gas injection valve core keeps sealed under the action of pressure, the micro-exhaust floating ball is separated from the micro-exhaust valve seat, the micro-exhaust channel is opened, and gas mixed and continuously separated out in the pipeline is discharged in time so as to reduce various adverse effects possibly generated by gas-liquid mixing and conveying;
when the pipeline works normally under pressure, the gas injection valve core keeps sealed under the action of pressure, the micro exhaust floating ball keeps sealed with the micro exhaust valve seat, and the micro exhaust channel is closed;
in operation, in order to prevent the generation of a closing water hammer, the starting pressure of negative pressure suction is determined by the spring, and the position of the limiting block can be adjusted by double nuts above the spring) so as to control the stroke of the spring to realize that the air-supplementing pressure can be adjusted, and meanwhile, the spring is not in water, so that the spring is not out of order due to water erosion.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. the gas injection micro-exhaust valve adopts an integrated structure and consists of a gas inlet part and a micro-exhaust part positioned in the valve body, and the gas injection micro-exhaust valve has simple structural design, reliable work and durability;
2. the micro-exhaust part consists of a micro-exhaust floating ball, a micro-exhaust valve seat and a micro-exhaust ball basket, wherein the micro-exhaust floating ball is a spherical free hollow ball, is in contact with the micro-exhaust ball basket in the valve and has enough free moving space, and is finally in contact with the micro-exhaust valve seat for sealing when the micro-exhaust floating ball rises under the buoyancy of a medium;
3. the negative pressure air supplement prevents the generation of a closing water hammer, the starting pressure of negative pressure air suction is determined by a spring, the position of a limiting block can be adjusted by double nuts above the limiting block so as to control the stroke of the spring to realize adjustable air supplement pressure, and meanwhile, the spring is not in water, so that the spring is not worried about the failure of the spring caused by water erosion;
4. the gas injection valve of arranging a little is the full latus rectum structure, and each part of inner channel all is not less than the nominal latus rectum, and the inner channel of the gas injection valve of arranging a little accords with the aerodynamic requirement, and case and little volleyball basket can play the guide effect, and the passageway is smooth, and is unimpeded, can not produce the noise.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic cross-sectional structural view of the present invention;
FIG. 2 is a schematic view of the construction of the guide shaft of the present invention;
FIG. 3 is a schematic view of the structure of the negative pressure suction state of the present invention;
FIG. 4 is a schematic view of the micro bleed configuration of the present invention;
FIG. 5 is a schematic view of the closed configuration of the present invention;
reference numbers in the figures: 1. a protective cover; 2. a guide shaft; 3. a limiting block; 4. a spring; 5. a gas injection valve body; 6. a gas injection valve cover; 7. a gas injection valve core; 8. a valve seat sealing ring; 9. a micro volleyball basket; 10. micro-row floating balls; 11. and (4) micro-row valve seats.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-5, the invention provides a technical scheme, an integrated gas injection micro-exhaust valve comprises a protective cover 1, wherein the top end of the protective cover 1 is connected with two ring nuts so as to facilitate normal installation and later traction, the bottom end of the protective cover 1 is connected with a gas injection valve body 5 through a bolt, the gas injection valve body 5 is of a full-bore structure, all parts of an internal channel are not smaller than a nominal bore, and a valve seat sealing ring 8 is embedded and installed at the joint of the protective cover 1 and the gas injection valve body 5 in order to further improve the sealing effect;
a guide shaft 2 is arranged in the protective cover 1, the top of the guide shaft 2 is connected with a limiting block 3 through a bolt, and the bottom end of the limiting block 3 is connected with a spring 4;
the top end of the gas injection valve body 5 is connected with a gas injection valve cover 6, the bottom end of the guide shaft 2 is embedded in the middle of the gas injection valve cover 6, so that normal fixing and installation are facilitated, the gas injection valve cover 6 is connected with a micro-volleyball valve seat 11 at the position below the guide shaft 2, the bottom end of the gas injection valve cover 6 is connected with a gas injection valve core 7, and the bottom end of the gas injection valve core 7 is connected with a micro-volleyball basket 9 through a bolt;
the micro-volleyball basket 9 is internally provided with micro-volleyball floating balls 10, and the micro-volleyball floating balls 10 are spherical free hollow balls, so that the micro-volleyball basket is convenient to float normally.
The working principle and the using process of the invention are as follows: the large-hole gas injection part and the micro-exhaust structure of the gas injection micro-exhaust valve are integrated, when the pipeline is in a negative pressure state, the pressure of the spring 4 is smaller than the pressure caused by the negative pressure, the gas injection valve core 7 is separated from the valve seat sealing ring 8 under the action of the negative pressure, and a large amount of gas suction is started to form a buffer air bag, so that water vaporization can be prevented, and further, the generation of a closing water hammer is prevented;
when the pipeline starts to work under normal pressure, the gas injection valve core 7 keeps sealed under the action of pressure, the micro-exhaust floating ball 10 is separated from the micro-exhaust valve seat 11, the micro-exhaust channel is opened, and gas mixed and continuously separated out in the pipeline is discharged in time so as to reduce various adverse results possibly generated by gas-liquid mixing and conveying;
when the pipeline works under normal pressure, the gas injection valve core 7 keeps sealed under the action of pressure, the micro-exhaust floating ball 10 keeps sealed with the micro-exhaust valve seat 11, and the micro-exhaust channel is closed;
in the operation, in order to prevent the generation of closing water hammer, the starting pressure of negative pressure suction is determined by the spring 4, the position of the limiting block 3 can be adjusted through double nuts above so as to control the stroke of the spring 4 to realize that air-supplementing pressure is adjustable, and meanwhile, the spring is not in water, so that the spring 4 is not out of work due to water erosion.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an integral type gas injection valve that arranges a little, includes protection casing (1), its characterized in that: the bottom end of the protective cover (1) is connected with the gas injection valve body (5) through a bolt;
a guide shaft (2) is installed inside the protective cover (1), the top of the guide shaft (2) is connected with a limiting block (3) through a bolt, and the bottom end of the limiting block (3) is connected with a spring (4);
the top end of the gas injection valve body (5) is connected with a gas injection valve cover (6), the gas injection valve cover (6) is connected with a micro volleyball valve seat (11) at the position below the guide shaft (2), the bottom end of the gas injection valve cover (6) is connected with a gas injection valve core (7), and the bottom end of the gas injection valve core (7) is connected with a micro volleyball basket (9) through a bolt;
micro-volleyball balls (10) are placed inside the micro-volleyball basket (9).
2. An integrated gas injection micro-valve according to claim 1, characterized in that the bottom end of the guide shaft (2) is embedded in the middle of the gas injection valve cover (6).
3. The integrated gas injection micro-exhaust valve according to claim 1, wherein a valve seat sealing ring (8) is embedded and installed at the joint of the protection cover (1) and the gas injection valve body (5).
4. An integrated gas injection micro exhaust valve according to claim 1, wherein two ring nuts are attached to the top end of the protection cover (1).
5. The integrated gas-injection micro-discharge valve of claim 1, wherein the micro-discharge floating ball (10) is a spherical free hollow ball.
6. An integrated gas injection micro-valve according to claim 1, wherein the gas injection valve body (5) is of a full-bore structure, and each part of the internal channel is not smaller than the nominal bore.
7. An integrated gas injection micro-bleed valve as in any of claims 1 to 6, wherein the method of operation comprises the following: the large-hole gas injection part and the micro-exhaust structure of the gas injection micro-exhaust valve are integrated, when the pipeline is in a negative pressure state, the pressure of the spring (4) is less than the pressure caused by the negative pressure, the gas injection valve core (7) is separated from the valve seat sealing ring (5) under the action of the negative pressure, and a large amount of gas suction is started to form a buffer air bag, so that water vaporization can be prevented, and further, the generation of a closing water hammer is prevented;
when the pipeline starts to work under normal pressure, the gas injection valve core (7) keeps sealed under the action of pressure, the micro exhaust floating ball (10) is separated from the micro exhaust valve seat (111), the micro exhaust channel is opened, and gas mixed and continuously separated out in the pipeline is discharged in time so as to reduce various adverse results possibly generated by gas-liquid mixing and conveying;
when the pipeline works under normal pressure, the gas injection valve core 7 keeps sealed under the action of pressure, the micro-row floating ball (10) keeps sealed with the micro-row valve seat (11), and the micro-row channel is closed;
in the operation, in order to prevent the generation of a closing water hammer, the starting pressure of negative pressure suction is determined by the spring (4), the position of the limiting block (3) can be adjusted through double nuts above so as to control the stroke of the spring (4) to realize that the air supplementing pressure is adjustable, meanwhile, the spring is not in water, and the spring (4) is not out of work due to water erosion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011176854.7A CN112361064A (en) | 2020-10-29 | 2020-10-29 | Integrated gas injection micro-discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011176854.7A CN112361064A (en) | 2020-10-29 | 2020-10-29 | Integrated gas injection micro-discharge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112361064A true CN112361064A (en) | 2021-02-12 |
Family
ID=74512317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011176854.7A Pending CN112361064A (en) | 2020-10-29 | 2020-10-29 | Integrated gas injection micro-discharge valve |
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| Country | Link |
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| CN (1) | CN112361064A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357429A (en) * | 2021-06-24 | 2021-09-07 | 中阀科技(长沙)阀门有限公司 | Air valve with signal transmission |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896184A (en) * | 2015-06-05 | 2015-09-09 | 株洲南方阀门股份有限公司 | Water hammer air valve and water hammer gas discharging method during pipeline use |
| CN104913111A (en) * | 2015-06-05 | 2015-09-16 | 株洲南方阀门股份有限公司 | Water-hammer-proof air valve and exhaust method thereof in pipeline use process |
| CN105736811A (en) * | 2016-05-09 | 2016-07-06 | 铁岭特种阀门股份有限公司 | Quick exhaust valve |
| CN108317294A (en) * | 2018-04-04 | 2018-07-24 | 潍坊裕川机械有限公司 | Impact-resistant air bleeding valve |
| CN110701369A (en) * | 2019-09-03 | 2020-01-17 | 中阀科技(长沙)阀门有限公司 | Air valve |
| CN210770491U (en) * | 2019-10-11 | 2020-06-16 | 赵宏斌 | Single-ball exhaust valve |
| CN111503354A (en) * | 2020-05-09 | 2020-08-07 | 中阀科技(长沙)阀门有限公司 | Anti-closing water hammer exhaust valve |
-
2020
- 2020-10-29 CN CN202011176854.7A patent/CN112361064A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896184A (en) * | 2015-06-05 | 2015-09-09 | 株洲南方阀门股份有限公司 | Water hammer air valve and water hammer gas discharging method during pipeline use |
| CN104913111A (en) * | 2015-06-05 | 2015-09-16 | 株洲南方阀门股份有限公司 | Water-hammer-proof air valve and exhaust method thereof in pipeline use process |
| CN105736811A (en) * | 2016-05-09 | 2016-07-06 | 铁岭特种阀门股份有限公司 | Quick exhaust valve |
| CN108317294A (en) * | 2018-04-04 | 2018-07-24 | 潍坊裕川机械有限公司 | Impact-resistant air bleeding valve |
| CN110701369A (en) * | 2019-09-03 | 2020-01-17 | 中阀科技(长沙)阀门有限公司 | Air valve |
| CN210770491U (en) * | 2019-10-11 | 2020-06-16 | 赵宏斌 | Single-ball exhaust valve |
| CN111503354A (en) * | 2020-05-09 | 2020-08-07 | 中阀科技(长沙)阀门有限公司 | Anti-closing water hammer exhaust valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357429A (en) * | 2021-06-24 | 2021-09-07 | 中阀科技(长沙)阀门有限公司 | Air valve with signal transmission |
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