CN201802879U - Highly-sealed cylindrical quick exhaust valve - Google Patents
Highly-sealed cylindrical quick exhaust valve Download PDFInfo
- Publication number
- CN201802879U CN201802879U CN2010205582133U CN201020558213U CN201802879U CN 201802879 U CN201802879 U CN 201802879U CN 2010205582133 U CN2010205582133 U CN 2010205582133U CN 201020558213 U CN201020558213 U CN 201020558213U CN 201802879 U CN201802879 U CN 201802879U
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- valve
- valve body
- buoyancy aid
- chock plug
- gap
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- Expired - Fee Related
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
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Abstract
The utility model discloses a highly-sealed cylindrical quick exhaust valve, comprising a valve body, a valve cover arranged at the upper end of the valve body, and a valve cover arranged on the valve cover. The quick exhaust valve is characterized in that the valve body is also internally provided with a floater stopper end; a sealing pad is also arranged between the valve cover and the valve body; the radial height of the valve body is 1.5 to 2 times of the diameter of the tube; the tubular internal wall of the valve body is provided with four tendons that are uniformly arranged in radial direction; a parallel disc connected with the four tendons into a whole is arranged at the bottom of the tendons; the floater stopper end is arranged on the parallel disc; four clearances with the same shape are arranged among the parallel disc, the four tendons and the wall of the valve body; and the sum of the section area of the four clearances is more than the section area of the water inlet aperture of a flange of the valve body. The quick exhaust valve has simpler structure and reliable performance; the defect of the valve on low-pressure water leakage is solved especially, and the exhausting performance of the valve and the sealing performance of the valve under the non-exhausting situation can be guaranteed.
Description
Technical field
The control valve mechanism of the pipe-line system that the utility model relates to, the rapid escape valve in a kind of water supply piping system that especially relates to.
Background technique
Rapid escape valve is mainly used in pipeline exhausts such as independent heating system, central heating system, heating boiler, central air-conditioner, floor heating and solar heating system.Because all be dissolved with certain air in the water usually, and the solubility of air reduces along with the rising of temperature, and water gas in the circuit process is separated from water gradually like this, and gets together gradually and form big bubble even gas column, because of replenishing of water arranged, so often there is gas to produce.When pipeline blank pipe water-filling, quick exhaust need be realized in the extremely short time, to return to the ability of normal water supply.When outlet valve had negative pressure to produce in pipe in addition, piston should be opened rapidly, and a large amount of fast ambient airs that suck are to guarantee that pipeline can not produce infringement because of negative pressure.And the micro-air of assembling in can be with pipeline under working pressure is discharged.
This just requires outlet valve should have than higher air closing pressure, in the short period before valve plug is closed, should have enough abilities that the discharging of the air in the pipeline is finished, and improves emptying effectiveness; Require the water closing pressure of outlet valve should little (being not more than 0.02MPa) simultaneously, under lower hydraulic pressure, just can close outlet valve, thereby avoid pouring out of water.Because general exhaust of outlet valve valve and water shutoff all are same valve plugs, therefore existing outlet valve does not possess simultaneously preferably this two big technical feature (promptly have have the water closing pressure simultaneously than higher air closing pressure little), the exhaust performance that has is bad, the poor sealing performance that has, especially hour leakage water is severe at hydraulic pressure, have also because of the foreign material in the liquid stop up the exhaust sealing mouth, outlet valve was lost efficacy.
Chinese patent application number is 200620090874.1 to disclose a kind of structure of rapid escape valve, is provided with son, main-valve in parallel, and this son, main-valve all are to be the vertical float valve of closure member with the ball float; The rapid escape valve structure of this structure is loaded down with trivial details, performance.More general ball float (tube) formula outlet valve (single port or twoport) and improved ball float (tube) the formula Lever type outlet valve in market also all has certain defective in addition, float-ball type buoyancy is less, hesitated behind one section gas, water in the valve body floating drum (no longer decorporate in the floating drum that has by water, spheroid is higher, influences exhaust) ball float is held up, under the effect of interior pressure, relief opening possibly can't be opened, and loses degassing function under the plug flow state.
The model utility content
At the deficiency that exists on the prior art, the utility model purpose is to be to provide a kind of easy to manufacture, the high sealing rapid escape valve of simple in structure and reliable performance.
The technical solution of the utility model is: high sealing cartridge type rapid escape valve comprises valve body, is arranged on the valve gap of valve body upper end and the valve bonnet on the valve gap; It is characterized in that: also be provided with in the described valve body and prevent that valve body from leaking, the exhaust performance of valve and the buoyancy aid chock plug of sealing have been guaranteed, between described valve gap and valve body, also be provided with sealing gasket, the radial height of described valve body is 1.5-2 a times of its tubular diameter, the tubular inner wall of described valve body is provided with four even cloth muscle radially, be provided with a parallel disk that links into an integrated entity with four muscle in the bottom of described muscle, described buoyancy aid chock plug is arranged on the parallel disk, between described parallel disk and four ribs and valve body wall the identical gap of four shapes is arranged, the sectional area sum in described four gaps helps gas and discharges greater than valve flange water inlet aperture sectional area.
Aforesaid high sealing cartridge type rapid escape valve, wherein, described buoyancy aid chock plug is a cylindrical body, is provided with a step on buoyancy aid chock plug top.
Aforesaid high sealing cartridge type rapid escape valve, wherein, described buoyancy aid chock plug adopts low-density PP material to make.
Aforesaid high sealing cartridge type rapid escape valve, wherein, there is an exhaust port at the center on the described sealing gasket, and the exhaust port periphery is provided with an annulus boss, makes that the sealing water-based can be more reliable.
The utility model compared with prior art has the following advantages:
1, on valve body, produces the floating drum that muscle and disk have replaced placing buoyancy aid, reduced the manufacturing of a part.
2, the buoyancy aid chock plug is a cylindrical body, replace original spherical, not only in effective space, increased the volume of buoyancy aid, and the cylindrical length that extends has bigger space and gas in valve body top when increasing buoyancy and making behind valve inleting water the up contact shutoff of buoyancy aid chock plug relief opening, with the gas space with strengthened buoyancy and prevent to leak, guaranteed the sealing under the situation of the exhaust performance of valve and not exhaust.And the buoyancy aid chock plug adopts low-density PP material to make, even this material can not produce distortion for a long time yet under the immersion of high-temperature water.Can not cause the movable difficulty of buoyancy aid.
3, a parallel disk is arranged at the bottom of muscle, and the effect of parallel disk is to place the buoyancy aid chock plug, and another effect is to change gas flow to drive the up relief opening of blocking of buoyancy aid chock plug when preventing exhaust during gas flow.Also have an effect to be in case after a large amount of exhaust high-velocity flow directly impact the buoyancy aid chock plug and cause buoyancy aid chock plug and sealing gasket sealed mouth to damage too early.And between parallel disk and four ribs and valve body wall the identical gap of four shapes is arranged, the sectional area addition in four gaps and should be in order to help exhaust greater than the valve flange aperture sectional area of intaking.
4, longer because of valve body, the buoyancy aid chock plug is that cylindrical body is also longer, and the closed position water level is low, and impurity is difficult for contact seal face in the water, and relief opening can be not blocked, and its performance of anti-blockage can improve greatly.Under high-pressure situations, ball float energy and water level are descended synchronously simultaneously, open-shut device can not held by high pressure as conventional valves, thus normal exhaust.
5, this high sealing cartridge type rapid escape valve is by the improvement of valve inner structure and manufacturing process, and not only structure is simpler, and reliable performance, has especially solved the defective that the low pressure of this valve is leaked.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of valve body of the present utility model;
Fig. 3 is the plan view of Fig. 2;
Fig. 4 is the structural representation of sealing gasket of the present utility model;
Fig. 5 is the sectional view of Fig. 4;
Fig. 6 is the structural representation of buoyancy aid chock plug of the present utility model;
Fig. 7 is the left view of Fig. 6.
Among Fig. 1: the 1-valve bonnet; The 2-valve gap; The 3-sealing gasket; The 31-exhaust port; 32-annulus boss; The 4-valve body; 5-buoyancy aid chock plug; The 51-step; The 6-muscle; The parallel disk of 7-.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
Referring to Fig. 1, the utility model is that the structure of the more general ball float in market (tube) formula outlet valve (single port) is carried out major tuneup and the part major parameter changes, making it structure not only simplifies more, manufacture cost reduces, especially the change of parameter makes performance more reliable, a kind of high sealing cartridge type rapid escape valve is provided, and it comprises valve body 4, is installed in the valve gap 2 of valve body 4 upper ends and the valve bonnet 1 on the valve gap 2; This valve bonnet 1 and valve gap 2 are by being bolted on the valve body 4, in valve body 4, also be equipped with and prevent that valve body from leaking, the exhaust performance of valve and the buoyancy aid chock plug 5 of sealing have been guaranteed, between valve gap 2 and valve body 4, be provided with sealing gasket 3 (referring to Fig. 4 and Fig. 5), the center is processed with an exhaust port 31 on the sealing pad 3, exhaust port 31 peripheries are provided with an annulus boss 32, make that the sealing water-based between valve body 4 and the valve gap 2 can be more reliable.
In the present embodiment, the radial height of valve body 4 is 1.5-2 times of its tubular diameter, on the tubular inner wall of valve body 4, be processed with four even cloth muscle 6 radially, the smooth surface of muscle 6, being provided with a parallel disk 7 and four ribs 6 in the bottom of muscle 6 links into an integrated entity, on parallel disk 7, place buoyancy aid chock plug 5, between parallel disk 7 and four ribs 6 and valve body wall the identical gap of four shapes is arranged, the height of the size decision muscle 6 in gap, the height of muscle 6 should guarantee four gaps the sectional area addition and should be greater than the valve flange aperture sectional area of intaking, be convenient to change gas flow and drive the buoyancy aid chock plug 5 up relief openings of blocking during gas flow when preventing exhaust, help gas discharge in the liquid that valve body 4 lead to.Simultaneously in case after a large amount of exhaust high-velocity flow directly impact buoyancy aid chock plug 5 and cause buoyancy aid chock plug 5 and sealing gasket 3 sealed mouths to damage too early.
What deserves to be mentioned is, referring to Fig. 6 and Fig. 7, the buoyancy aid chock plug 5 of present embodiment is a cylindrical body, its top is provided with a step 51, present embodiment replaces of the prior art spherical by buoyancy aid chock plug 5, not only in effective space, increased the volume of buoyancy aid, and the cylindrical length that extends increases buoyancy and makes that bigger space and gas are arranged at valve body 4 tops when the up contact shutoff relief opening of valve body 4 water inlet back buoyancy aid chock plug 5, with the gas space with strengthened buoyancy and prevent to leak, guaranteed the sealing under the situation of the exhaust performance of valve and not exhaust.And adopt low-density PP material to make,, can not cause the movable difficulty of buoyancy aid even this material can not produce distortion for a long time yet under the immersion of high-temperature water.
When beginning water filling in the valve body 4, buoyancy aid chock plug 5 rests on the enable possition, a large amount of gas enters valve body 4 and is subjected in the valve body 4 stopping through the gap of parallel disk 7 and valve body 4 walls of disk and discharges from exhaust nozzle under the pressure action of water in the pipeline, along with gas in the pipe is discharged to one regularly, water has also entered valve body 4 bottoms, buoyancy aid chock plug 5 floats along with the increase of ponding thereupon in the valve body 4, and withstanding sealing gasket 3 central row pores 31 and exhaust port periphery has an annulus boss 32 tight contact seals.At this moment, buoyancy aid chock plug 5 place's closed positions, stop a large amount of exhausts, because valve body 4 and buoyancy aid chock plug 5 are all longer, buoyancy aid chock plug 5 is in when closing, and valve body 4 tops also have portion gas, if system pressure is constant, water leaks with regard to not rising to exhaust port, increases water continuation rising buoyancy also along with increasing if system pressure changes, and sealability is strengthened.If the system pressure change reduces, gas volume increases valve body drawdown buoyancy and reduces, buoyancy aid chock plug 5 descends, the Exhaust Open air inlet is when water pump stops, when in-pipe flow is empty, or buoyancy aid chock plug 5 falls under gravity and action of pressure when producing negative pressure in the pipe, this moment, exhaust port was opened, and inhaled people's air, guaranteed pipe safety.
In the present embodiment, outlet valve valve in proper functioning is being opened all the time, and buoyancy aid chock plug 5 constantly repeats above-mentioned action, during air and discharge, the time and seal, the time and suck.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. high sealing cartridge type rapid escape valve comprises valve body, is arranged on the valve gap of valve body upper end and the valve bonnet on the valve gap; It is characterized in that: also be provided with the buoyancy aid chock plug in the described valve body, between described valve gap and valve body, also be provided with sealing gasket, the radial height of described valve body is 1.5-2 a times of its tubular diameter, the tubular inner wall of described valve body is provided with four even cloth muscle radially, be provided with a parallel disk that links into an integrated entity with four ribs in the bottom of described muscle, described buoyancy aid chock plug is arranged on the parallel disk, between described parallel disk and four ribs and valve body wall the identical gap of four shapes is arranged, the sectional area sum in described four gaps is greater than valve flange water inlet aperture sectional area.
2. high sealing cartridge type rapid escape valve according to claim 1 is characterized in that described buoyancy aid chock plug is a cylindrical body, is provided with a step on described buoyancy aid chock plug top.
3. high sealing cartridge type rapid escape valve according to claim 1 and 2 is characterized in that, described buoyancy aid chock plug adopts low-density PP material to make.
4. high sealing cartridge type rapid escape valve according to claim 1 is characterized in that there is an exhaust port at the center on the described sealing gasket, and described exhaust port periphery is provided with an annulus boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205582133U CN201802879U (en) | 2010-10-13 | 2010-10-13 | Highly-sealed cylindrical quick exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205582133U CN201802879U (en) | 2010-10-13 | 2010-10-13 | Highly-sealed cylindrical quick exhaust valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201802879U true CN201802879U (en) | 2011-04-20 |
Family
ID=43872378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205582133U Expired - Fee Related CN201802879U (en) | 2010-10-13 | 2010-10-13 | Highly-sealed cylindrical quick exhaust valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201802879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110382936A (en) * | 2017-03-17 | 2019-10-25 | 株式会社山田制作所 | Control valve |
| CN110402345A (en) * | 2017-03-17 | 2019-11-01 | 株式会社山田制作所 | Control valve |
-
2010
- 2010-10-13 CN CN2010205582133U patent/CN201802879U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110382936A (en) * | 2017-03-17 | 2019-10-25 | 株式会社山田制作所 | Control valve |
| CN110402345A (en) * | 2017-03-17 | 2019-11-01 | 株式会社山田制作所 | Control valve |
| US10895326B2 (en) | 2017-03-17 | 2021-01-19 | Yamada Manufacturing Co., Ltd. | Control valve |
| CN110402345B (en) * | 2017-03-17 | 2021-03-16 | 株式会社山田制作所 | Control valve |
| US11174954B2 (en) | 2017-03-17 | 2021-11-16 | Yamada Manufacturing Co., Ltd. | Control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20121013 |