CN203051874U - Total-pressure high-speed valve for air exhausting and air supplementing - Google Patents

Total-pressure high-speed valve for air exhausting and air supplementing Download PDF

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Publication number
CN203051874U
CN203051874U CN 201320036200 CN201320036200U CN203051874U CN 203051874 U CN203051874 U CN 203051874U CN 201320036200 CN201320036200 CN 201320036200 CN 201320036200 U CN201320036200 U CN 201320036200U CN 203051874 U CN203051874 U CN 203051874U
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CN
China
Prior art keywords
piston
main valve
tonifying
air
valve
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Expired - Lifetime
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CN 201320036200
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Chinese (zh)
Inventor
吴建涛
葛海州
方红亮
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ZHENGZHOU LVDU VALVE CO Ltd
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ZHENGZHOU LVDU VALVE CO Ltd
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Abstract

The utility model provides a total-pressure high-speed valve for air exhausting and air supplementing. The total-pressure high-speed valve for air exhausting and air supplementing comprises an air cylinder, a main valve cavity body arranged in the lower portion of the air cylinder, an air-guiding air-exhausting air tube arranged in the main valve cavity body, a sealing floating body arranged in the air-guiding air-exhausting air funnel, a piston spring and a main valve piston provided with a vertical through hole. The main valve piston comprises a piston column, an air cylinder piston and a sealing baffle, wherein the air cylinder piston is arranged at the upper end of the piston column and the sealing baffle is arranged at the lower end of the piston column. An air-exhausting air-supplementing opening is formed in the lateral wall of the lower portion of the air cylinder. A main valve port is formed in the cavity wall of the main valve cavity body. The piston spring is installed on the piston column in a sleeved mode and located between the air cylinder piston and the upper cavity wall of the main valve cavity body. The upper end of the sealing floating body is arranged in a mode of corresponding to the lower end opening of the vertical through hole. The total-pressure high-speed valve for air exhausting and air supplementing has the advantages of being scientific in design, capable of achieving automatic sealing of the valve when water exists in a pipeline without a floating ball or a lever, good in sealing performance, and good in exhausting performance when the water alternates with air.

Description

Full-pressure high-speed exhaust tonifying Qi special valve
Technical field
The utility model relates to a kind of outlet valve, specifically, has related to a kind of full-pressure high-speed exhaust tonifying Qi special valve that is used for explosion-proof leakproof in the pressure water supply line is arranged.
Background technique
Existing outlet valve mainly adopts hollow float to cooperate lever principle to control the keying of relief opening, yet, ball float commonly used generally is hollow Stainless Steel Ball, manufacture difficulty height, and hollow float intensity is low easily is crushed out of shape having under high pressure, big pneumatic hammer or the water hammer situation; And the lever construction instability is prone to stuck phenomenon, so hollow float and lever in use often bring a lot of troubles, is difficult to satisfy the exhaust needs of fast opening and closing; Though have some designs to adopt piston to replace hollow float and lever, the sealability of piston is often good inadequately, the gas leakage of leaking easily, and bad at the alternate situation lower valve emission effect of aqueous vapor.Therefore there are some inconvenience in existing design when normal the use.
In order to solve the problem of above existence, people are seeking a kind of desirable technical solution always.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, thus a kind of design science is provided, when not utilizing ball float and lever just can realize in the pipeline water being arranged valve from motive sealing, good seal performance, emission performance was good when aqueous vapor was alternate full-pressure high-speed exhaust tonifying Qi special valve.
To achieve these goals, the technological scheme that the utility model adopts is: a kind of full-pressure high-speed exhaust tonifying Qi special valve, it comprises cylinder, be arranged on the exhaust tonifying Qi chamber of described cylinder bottom, be arranged on bottom, described exhaust tonifying Qi chamber the main valve cavity, be arranged on guide inflator in the described main valve cavity, be arranged on sealing buoyancy aid, the piston spring in the described guide inflator and the main valve piston with vertical through holes;
Wherein, described main valve piston comprises piston column and is separately positioned on described piston column cylinder piston and the sealing baffle at two ends up and down, the vertical applied force area of described cylinder piston upper surface is greater than the vertical applied force area of described sealing baffle lower surface, be provided with relief hole in the described piston column, described relief hole inner port is communicated with described vertical through holes;
The sidewall in described exhaust tonifying Qi chamber offers the exhaust gas supplementing opening, and the chamber wall of described main valve cavity is provided with the main valve valve port;
The epicoele wall of described main valve cavity is provided with the main valve ventilating hole that is communicated with described exhaust tonifying Qi chamber, and the epicoele wall in described exhaust tonifying Qi chamber is provided with piston column hole and the regulator hole that is communicated with described cylinder; Described piston column passes described main valve ventilating hole and described piston column hole successively and is installed in the described piston column hole;
Described piston spring is sleeved on the described piston column and between the epicoele wall in described cylinder piston and described exhaust tonifying Qi chamber;
The corresponding described vertical through holes lower end mouth in described sealing buoyancy aid upper end arranges.
Based on above-mentioned, described cylinder piston comprise the piston plate that is arranged on described piston column upper end and be arranged on described piston plate and described cylinder inside wall between the ring packing film.
Based on above-mentioned, described piston plate comprises upper piston plate and the lower piston plate that is installed in described piston column upper end, described cylinder comprises upper cylinder body and the lower cylinder body that links together by bolt, the inner ring surface of described ring packing film is pressed between described upper piston plate and the described lower piston plate, and the outer ring surface of described ring packing film is pressed between described upper cylinder body and the described lower cylinder body.
Based on above-mentioned, described cylinder head is provided with pilot hole, the corresponding described pilot hole setting in the top of described piston column.
Based on above-mentioned, described sealing baffle outer surface is provided with stuffing box gland.
Based on above-mentioned, described piston column is provided with the piston column sleeve in the hole, and described piston column passes described piston column cover and arranges.
Based on above-mentioned, the described cylinder head outside is equipped with the unidirectional aeration valve that is communicated with described cylinder interior.
Based on above-mentioned, the sidewall of described guide inflator or the tube end, offer the flowing medium import; The top of described sealing buoyancy aid is provided with sealing gasket, and the corresponding described vertical through holes lower end mouth of described sealing gasket arranges.
Based on above-mentioned, described main valve cavity comprises upper valve body and the following valve body that links together by bolt, and described guide inflator and described main valve cavity link together by bolt.
Based on above-mentioned, described main valve valve port is arranged on the cavity of resorption wall of described main valve cavity, and described main valve valve port is provided with flange plate or setting has externally threaded connecting tube.
The relative prior art of the utility model has substantive distinguishing features and progress, specifically, the utility model adopts the main valve piston that has vertical through holes and have the ring packing film, mainly realize degassing function by the exhaust gas supplementing opening, utilize described sealing buoyancy aid under the buoyancy of water effect, can float, make described sealing buoyancy aid cooperate the sealing that realizes described vertical through holes with described main valve piston; The ring packing film is set replaces conventional piston, improved sealability; By spring being set to outside the exhaust tonifying Qi chamber, improved the discharging permeability of main valve ventilating hole under the alternate situation of aqueous vapor.This full-pressure high-speed exhaust tonifying Qi special valve has design science, when not utilizing ball float and lever just can realize in the pipeline water being arranged valve from motive sealing, good seal performance, the good advantage of emission performance when aqueous vapor is alternate.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: 1. cylinder; 2. exhaust tonifying Qi chamber; 3. main valve cavity; 4. guide inflator; 5. sealing buoyancy aid; 6. piston spring; 7. vertical through holes; 8. piston column; 9. piston plate; 10. sealing baffle; 11. relief hole; 12. ring packing film; 13. exhaust gas supplementing opening; 14. main valve valve port; 15. main valve ventilating hole; 16. regulator hole; 17. pilot hole; 18. piston column sleeve; 19. stuffing box gland; 20. unidirectional aeration valve; 21. flowing medium import; 22. sealing gasket.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of full-pressure high-speed exhaust tonifying Qi special valve, it comprises cylinder 1, be arranged on the exhaust tonifying Qi chamber 2 of described cylinder 1 bottom, be arranged on 2 bottoms, described exhaust tonifying Qi chamber main valve cavity 3, be arranged on guide inflator 4 in the described main valve cavity 3, be arranged on sealing buoyancy aid 5, the piston spring 6 in the described guide inflator 4 and the main valve piston with vertical through holes 7; Described sealing buoyancy aid 5 is the tubular construction of lower ending opening.The described exhaust tonifying Qi chamber 2 independent benefits that arrange are, avoid when exhaust or tonifying Qi, being subjected to the interference of parts such as spring.
Cylinder piston and sealing baffle 10 that described main valve piston comprises piston column 8 and is separately positioned on described piston column two ends about in the of 8, the vertical applied force area of described cylinder piston upper surface is greater than the vertical applied force area of described sealing baffle 10 lower surfaces, be provided with relief hole 11 in the described piston column 8, described relief hole 11 inner port are communicated with described vertical through holes 7; Described relief hole 11 is thinner holes, usually, its aperture is less than the aperture of described vertical through holes 7, this full-pressure high-speed exhaust tonifying Qi special valve at work, air or water mainly transmit by described vertical through holes 7 in short time, after air pressure or hydraulic pressure tended towards stability, air or water were slowly discharged by described relief hole 11.
The sidewall in described exhaust tonifying Qi chamber 2 offers exhaust gas supplementing opening 13, the main air ports when described exhaust gas supplementing opening 13 is a large amount of exhausts or a large amount of tonifying Qi.The chamber wall of described main valve cavity 3 is provided with main valve valve port 14, and described main valve valve port 14 connects water supply line.
The epicoele wall of described main valve cavity 3 is provided with the main valve ventilating hole 15 that is communicated with described exhaust tonifying Qi chamber, and She Ji benefit is to be convenient to discharge rapidly by described main valve ventilating hole 15 and described tonifying Qi relief opening 13 water is gentle when exhaust like this.The epicoele wall in described exhaust tonifying Qi chamber 2 is provided with piston column hole and the regulator hole 16 that is communicated with described cylinder 1; Because the existence of described tonifying Qi relief opening 13 and described regulator hole 16 makes described lower chamber remain the air pressure identical with the external world with described tonifying Qi exhaust cavity 2.Described piston column 8 passes described main valve ventilating hole 15 and described piston column hole successively and is installed in the described piston column hole; She Ji benefit is to avoid the interference of 8 pairs of described main valve ventilating holes 15 of described piston column as far as possible like this.
Described piston spring 6 is sleeved on the described piston column 8 and between the epicoele wall in described cylinder piston and described exhaust tonifying Qi chamber 2; She Ji benefit is like this, and under the situation of exhaust or tonifying Qi, during the main valve piston motion, described piston spring 6 can not stop normal exhaust or tonifying Qi.When described piston spring 6 is in normal state, described main valve piston jack-up can be made the described main valve ventilating hole 15 of described sealing baffle 10 sealings.
The corresponding described vertical through holes 7 lower end mouth settings in described sealing buoyancy aid 5 upper ends.
Described cylinder piston comprise the piston plate 9 that is arranged on described piston column 8 upper ends and be arranged on described piston plate 9 and described cylinder 1 madial wall between ring packing film 12.
Described piston plate 9 comprises upper piston plate and the lower piston plate that is installed in described piston column 8 upper ends, described cylinder 1 comprises upper cylinder body and the lower cylinder body that links together by bolt, the inner ring surface of described ring packing film 12 is pressed between described upper piston plate and the described lower piston plate, and the outer ring surface of described ring packing film 12 is pressed between described upper cylinder body and the described lower cylinder body.In other embodiments, described ring packing film 12 also can adopt modes such as screw, stickup to be installed between described piston plate 9 and described cylinder 1 madial wall.
Described ring packing film 12 has been separated into upper cavity and lower chamber with described cylinder 1.The effect of described upper cavity mainly be when exhaust as the supercharging cavity, with described cylinder piston to pressing down; The effect of described lower chamber mainly is the space that communicates and provide described cylinder piston to move down with ambient pressure.Described ring packing film 12 can select for use soft rubber material or plastics to make, and namely plays the effect of separating described cylinder 1, has guaranteed tightness, the resistance when as far as possible having reduced described main valve piston lifting again.Because the sealability of ring packing film 12 is better than the sealability of piston in the past, therefore avoided the situation of leaking.
Described cylinder 1 top is provided with pilot hole 17, and the corresponding described pilot hole 17 in the top of described piston column 8 arranges.17 pairs of described piston columns 8 of described pilot hole play the guiding role, and are steady when guaranteeing described main valve piston lifting.The aperture of described pilot hole 17 is slightly larger than the diameter of described piston column 8, makes air to circulate between the upper end-hole of described vertical through holes 7 and described upper cavity.
Described piston column is provided with piston column sleeve 18 in the hole, and described piston column 8 passes described piston column sleeve 18 and arranges.18 pairs of described piston columns 8 of described piston column sleeve play the spacing and vertical guiding of level.
Described sealing baffle 10 outer surfaces are provided with stuffing box gland 19.Described stuffing box gland 19 is outer surfaces that the mode of the full encapsulate of employing is set in described sealing baffle 10, to play than the better sealing effect of conventional seals circle.
Described cylinder 1 top outer is equipped with the unidirectional aeration valve 20 that is communicated with described cylinder 1 inside.Described unidirectional aeration valve 20 is one-way ventilating from top to bottom.
The sidewall of described guide inflator 4 or the tube end, offer flowing medium import 21; The sidewall of described guide inflator 4 and the tube end, offer flowing medium import 21.In other embodiments, the sidewall of described guide inflator 4 or the tube end, offer flowing medium import 21.
The top of described sealing buoyancy aid 5 is provided with sealing gasket 22, and described sealing gasket 22 can adopt rubber material, and purpose is the lower end mouth that is conducive to seal described vertical through holes 7.Described vertical through holes 7 lower end mouth are a little less than the lower end surface of described sealing baffle 10, described sealing gasket 22 corresponding described vertical through holes 7 lower end mouth settings.
Described main valve cavity 3 comprises the upper valve body that links together by bolt and following valve body, and described guide inflator 4 and described main valve cavity 3 link together by bolt.Here all adopting bolt to connect is for the ease of I﹠M.Described upper valve body, described exhaust tonifying Qi chamber 2 and described lower cylinder body are integrated structures.
Described main valve valve port 14 is arranged on the cavity of resorption wall of described main valve cavity 3, and described main valve valve port 14 is provided with flange plate or setting has externally threaded connecting tube, is used for connecting water supply line.
Degassing function: when pipeline had little air, air entered described main valve cavity 3 via described main valve valve port 14, entered described exhaust tonifying Qi chamber 2 by described relief hole 11 during through described vertical through holes 7, was discharged by described exhaust gas supplementing opening 13 then.When being full of a large amount of air in the pipeline, air enters described main valve cavity 3 via described main valve valve port 14, enters the described upper cavity of described cylinder 1 by described vertical through holes 7.The exhaust because described unidirectional aeration valve can't make progress, and the vertical applied force area of described cylinder piston upper surface is greater than the vertical applied force area of described sealing baffle 10 lower surfaces, so described main valve piston moves downward under the effect of air pressure, described main valve ventilating hole 15 is opened, air enters described exhaust tonifying Qi chamber 2 from described main valve ventilating hole 15, discharges via described exhaust gas supplementing opening 13 then.
Sealing function: when pipeline is full of water, water enters described main valve cavity 3 via described main valve valve port 14, under the buoyancy of water effect, described sealing buoyancy aid 5 floats in described guide inflator 4, and then, described vertical through holes 7 lower end mouth of described sealing gasket 22 sealings, and oppress the described main valve ventilating hole 15 of described sealing baffle 10 sealings, stop the rising of water.
Gas compensation function: when pipeline produced negative pressure owing to hypsography, described main valve cavity 3 internal air pressures were lower than barometric pressure, and equaled barometric pressure in the at this moment described cylinder 1 with in the described exhaust tonifying Qi chamber 2.When described main valve cavity 3 internal air pressures were not too low, air was entered in the described main valve cavity 3 by described unidirectional aeration valve 20 and described relief hole 11 and carries out tonifying Qi.When described main valve cavity 3 internal air pressures are very low, described main valve piston moves downward under the effect of air pressure, described main valve ventilating hole 15 is opened, air enters described exhaust tonifying Qi chamber 2 from described exhaust gas supplementing opening 13, enters in the described main valve cavity 3 via described main valve ventilating hole 15 then and carries out tonifying Qi.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characteristics is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technological scheme scope that the utility model asks for protection.

Claims (10)

1. full-pressure high-speed exhaust tonifying Qi special valve is characterized in that: it comprises cylinder, be arranged on the exhaust tonifying Qi chamber of described cylinder bottom, be arranged on bottom, described exhaust tonifying Qi chamber the main valve cavity, be arranged on guide inflator in the described main valve cavity, be arranged on sealing buoyancy aid, the piston spring in the described guide inflator and the main valve piston with vertical through holes; Wherein, described main valve piston comprises piston column and is separately positioned on described piston column cylinder piston and the sealing baffle at two ends up and down, the vertical applied force area of described cylinder piston upper surface is greater than the vertical applied force area of described sealing baffle lower surface, be provided with relief hole in the described piston column, described relief hole inner port is communicated with described vertical through holes; The sidewall in described exhaust tonifying Qi chamber offers the exhaust gas supplementing opening, and the chamber wall of described main valve cavity is provided with the main valve valve port; The epicoele wall of described main valve cavity is provided with the main valve ventilating hole that is communicated with described exhaust tonifying Qi chamber, and the epicoele wall in described exhaust tonifying Qi chamber is provided with piston column hole and the regulator hole that is communicated with described cylinder; Described piston column passes described main valve ventilating hole and described piston column hole successively and is installed in the described piston column hole; Described piston spring is sleeved on the described piston column and between the epicoele wall in described cylinder piston and described exhaust tonifying Qi chamber; The corresponding described vertical through holes lower end mouth in described sealing buoyancy aid upper end arranges.
2. full-pressure high-speed exhaust tonifying Qi special valve according to claim 1 is characterized in that: described cylinder piston comprise the piston plate that is arranged on described piston column upper end and be arranged on described piston plate and described cylinder inside wall between the ring packing film.
3. full-pressure high-speed exhaust tonifying Qi special valve according to claim 2, it is characterized in that: described piston plate comprises upper piston plate and the lower piston plate that is installed in described piston column upper end, described cylinder comprises upper cylinder body and the lower cylinder body that links together by bolt, the inner ring surface of described ring packing film is pressed between described upper piston plate and the described lower piston plate, and the outer ring surface of described ring packing film is pressed between described upper cylinder body and the described lower cylinder body.
4. full-pressure high-speed exhaust tonifying Qi special valve according to claim 1, it is characterized in that: described cylinder head is provided with pilot hole, the corresponding described pilot hole setting in the top of described piston column.
5. full-pressure high-speed exhaust tonifying Qi special valve according to claim 1, it is characterized in that: described sealing baffle outer surface is provided with stuffing box gland.
6. full-pressure high-speed exhaust tonifying Qi special valve according to claim 1, it is characterized in that: described piston column is provided with the piston column sleeve in the hole, and described piston column passes described piston column cover and arranges.
7. according to any described full-pressure high-speed exhaust tonifying Qi special valve of claim 1-6, it is characterized in that: the described cylinder head outside is equipped with the unidirectional aeration valve that is communicated with described cylinder interior.
8. according to any described full-pressure high-speed exhaust tonifying Qi special valve of claim 1-6, it is characterized in that: the sidewall of described guide inflator or the tube end, offer the flowing medium import; The top of described sealing buoyancy aid is provided with sealing gasket, and the corresponding described vertical through holes lower end mouth of described sealing gasket arranges.
9. according to any described full-pressure high-speed exhaust tonifying Qi special valve of claim 1-6, it is characterized in that: described main valve cavity comprises upper valve body and the following valve body that links together by bolt, and described guide inflator and described main valve cavity link together by bolt.
10. according to any described full-pressure high-speed exhaust tonifying Qi special valve of claim 1-6, it is characterized in that: described main valve valve port is arranged on the cavity of resorption wall of described main valve cavity, and described main valve valve port is provided with flange plate or setting has externally threaded connecting tube.
CN 201320036200 2013-01-21 2013-01-21 Total-pressure high-speed valve for air exhausting and air supplementing Expired - Lifetime CN203051874U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320036200 CN203051874U (en) 2013-01-21 2013-01-21 Total-pressure high-speed valve for air exhausting and air supplementing

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Application Number Priority Date Filing Date Title
CN 201320036200 CN203051874U (en) 2013-01-21 2013-01-21 Total-pressure high-speed valve for air exhausting and air supplementing

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103047458A (en) * 2013-01-21 2013-04-17 郑州铝都阀门有限公司 Full-pressure high-speed exhausting air-supplying special valve
CN106402440A (en) * 2016-12-12 2017-02-15 扬州大学 Single-cavity integrated full-pressure gas inlet and outlet valve based on pressure distribution principle and application method of gas inlet and outlet valve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103047458A (en) * 2013-01-21 2013-04-17 郑州铝都阀门有限公司 Full-pressure high-speed exhausting air-supplying special valve
CN103047458B (en) * 2013-01-21 2015-07-08 郑州铝都阀门有限公司 Full-pressure high-speed exhausting air-supplying special valve
CN106402440A (en) * 2016-12-12 2017-02-15 扬州大学 Single-cavity integrated full-pressure gas inlet and outlet valve based on pressure distribution principle and application method of gas inlet and outlet valve
CN106402440B (en) * 2016-12-12 2018-09-28 扬州大学 It is a kind of based on pressure principle single-chamber integral type total head air inlet and exhaust valve and its application process

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Granted publication date: 20130710

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