CN2441887Y - Closed cistern with built-in float air compensation valve - Google Patents
Closed cistern with built-in float air compensation valve Download PDFInfo
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- CN2441887Y CN2441887Y CN 00232850 CN00232850U CN2441887Y CN 2441887 Y CN2441887 Y CN 2441887Y CN 00232850 CN00232850 CN 00232850 CN 00232850 U CN00232850 U CN 00232850U CN 2441887 Y CN2441887 Y CN 2441887Y
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- buoyancy
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Abstract
The utility model relates to a closed type cistern with a built-in float air compensation valve, which belongs to sanitary ware. The utility model is characterized structurally in that a float air compensation valve is built in a closed type cistern, wherein, the float air compensation valve comprises a valve body, a valve core and a communicating pipe. The valve body is downward, and the density of the valve core is less than the density of the water. When the water enters the closed type cistern, the valve core of the float air compensation valve rises following the water level under the buoyancy of the water. Under the double action of the buoyancy and the pressure of the water, the valve body is sealed. When the water level drops, negative pressure in the closed type cistern and the weight of the closed type cistern are utilized to drop the float air compensation valve; a vent hole is opened for air supply.
Description
The utility model belongs to sanitaryware, is specifically related to a kind of closed water tank that is provided with the buoyancy aeration valve.
The sanitaryware of existing employing sealing worker water tank all have a closed water tank main body 1 as shown in Figure 3, Figure 4, and the bottom of sealing formula water tank has water inlet 2 and delivery port 3, is provided with a suction type aeration valve 4 as shown in Figure 1 in the water tank.Figure 3 shows that the water tank under the original state, water inlet 2, when delivery port 3 all is in closed condition, suction type aeration valve 4 is in closed state.Atmospheric pressure in the case equals atmospheric pressure.As shown in Figure 4, if open water inlet 2, because the pressure of water inlet 2 is higher than atmospheric pressure, water can enter in the water tank, and along with water constantly enters water tank, water level rises, atmospheric pressure in the water tank constantly increases, and equates that with water inlet hydraulic pressure water inlet is no longer intake until the water tank internal gas pressure.Open delivery port 3 this moment, the water in the case can spray (wherein main effect is draught head) under the effect of draught head and gravity.Because the water tank most time is at equilibrium, air pressure is higher in the water tank, and air is dissolved in the water easily, and discharges with water, causes that air reduces in the case, to such an extent as to effective water yield deficiency, often need be with the automatic tonifying Qi of aeration valve.Currently used suction type aeration valve generally is installed in 2/3rds position of (referring to that valve body pushes up apart from case) water tank, and valve body upwards.Spool adopts sheet metal to manufacture, as shown in Figure 1, spool mainly is to utilize the water tank pressure inside to reach sealing function, and the suction type aeration valve is in closed state all the time, the unlatching of spool is negative pressure moment to occur with drawdown when utilizing water tank to use to pick up valve block, reaches the purpose of tonifying Qi.Adopt the shortcoming of suction type aeration valve to be:
1, generally speaking, water tank hydraulic pressure is low more, and the inner negative pressure that occurs is low more, and closed water tank water intake is few more.Hydraulic pressure when the part reuse in residential building supplies water has the phenomenon that is lower than 0.2Mpa usually.Because water inlet pressure is low excessively, (as shown in Figure 4) suction type aeration valve 4 is in closed state all the time under the equilibrium state, does not reach the tonifying Qi effect, and developing result does not ensure.Therefore existing suction type aeration valve closed tank is subjected to influence of hydraulic pressure, and hydraulic pressure can't use during less than 0.2MPa.
2, because the suction type aeration valve is airtight always in the water inlet process, and air can't be got rid of, it is too little to reach the equilibrium state inflow during low hydraulic pressure, and (for example 1.5 kilograms of pressure time can only intake 3 liters) can't ensure developing result.
The purpose of this utility model is the shortcoming at the closed water tank of existing built-in suction type aeration valve, proposing a kind of pressure of hydraulic pressure that in use is not subjected to limits, can improve the water tank range of application, stable water outlet and the closed water tank new construction of built-in efficiently buoyancy aeration valve.
Architectural feature of the present utility model is: a built-in buoyancy aeration valve in closed water tank, and said buoyancy aeration valve comprises valve body, spool and communicating pipe, and valve body is downward, and the density of spool is less than the density of water.When water tank water intake, the spool of this buoyancy aeration valve utilizes buoyancy of water to rise with water level, finishes the sealing to valve body under buoyancy of water and pressure dual effect, utilizes negative pressure and own wt whereabouts in the water tank when drawdown, the open air that replenishes of air vent.
The mounting method of buoyancy aeration valve in the utility model:
Valve body is downward, when hydraulic pressure is lower, is installed in water tank height 1/2 to 2/3 place of (referring to that valve body pushes up apart from case).When hydraulic pressure is higher, be installed in water tank height 4/5 place of (referring to that valve body pushes up apart from case).
Operating principle of the present utility model:
When opening water inlet 2, close delivery port 3, water level rises, and at this moment, as shown in Figure 5, the spool of buoyancy aeration valve is in opening-wide state, and the following air of valve body begins to be discharged to outside the water tank, and when water level rose to valve body, the following air of valve body was discharged to outside the casing.Spool utilizes buoyancy of water and continuous rising of water level to reach sealing effectiveness, when water level surpasses the buoyancy valve body, as shown in Figure 6, the buoyancy aeration valve is in closed state, water level continues to rise, air is compression upwards, and when water level rose to the balanced attitude that equals water inlet hydraulic pressure in case, water inlet was no longer intake.At this moment, if open delivery port, the air pressure in the case can act on the water surface in the water tank, when drawdown is to buoyancy aeration valve valve body during water outlet, spool descends naturally, and moment is replenished the flow velocity that a large amount of air are accelerated water, and the water in the water tank sprays under the effect of case internal gas pressure and gravity.
Built-in buoyancy aeration valve of the present utility model is meant a kind of metal or on-metallic article, and spool is made as taper, also can make plain cushion shape, or hollow spheres density gets final product less than 1.
The built-in buoyancy aeration valve of the utility model can a plurality ofly use simultaneously.
The national standard water tank volume is 9 liters, concrete each flushing dose is relevant with water inlet pressure and buoyancy aeration valve setting height(from bottom), usually the pipeline pressure of living water use is 0.4MPa, the secondary water-supply pipeline pressure is 0.05-0.2MPa, set the adjustable aeration valve setting height(from bottom) of buoyancy according to pipeline pressure, for example, pipeline pressure with living water use is 0.4MPa, each water supply volume 5-7 rises and makes 1/5th places (refer to valve body and water tank bottom) of the installation site of buoyancy aeration valve at water tank, general air accounts for about 15% of water tank volume, when opening water inlet 2, water enters cistern water level and rises, and at this moment valve body is in opening-wide state, and the air of 1/5th in the casing is discharged to outside the casing along with water level rises, (being the following air of valve body), when water level rose to the valve body position, spool reached closed state by buoyancy of water, and water level continues to rise, when the pressure in casing equated with water inlet pressure, water inlet was no longer intake.Open delivery port 3 this moment, air pressure in the case can act on the water surface in the water tank, when drawdown is to buoyancy aeration valve 5 valve bodies when water outlet, spool descends under gravity and suction function, moment can be replenished air, accelerate the flow velocity of water, avoided manual tonifying Qi of frequent needs and uncontrollable water supply volume.
This built-in buoyancy aeration valve of the present utility model during less than 0.2MPa, can be contained in buoyancy aeration valve position 2/3rds places that are positioned at the casing top as secondary water-supply.Refer to valve body and casing top, with the inflow that keeps 6-8 to rise,, when opening water inlet 2, water enters cistern water level and rises, and at this moment valve body is in opening-wide state, and 2/3rds following air in the casing are discharged to outside the casing along with water level rises.(being the following air of valve body), when water level rose to the valve body position, spool reached closed state by buoyancy of water, and water level continues to rise, and when the pressure in casing equated with water inlet pressure, water inlet was no longer intake.Open delivery port 3 this moment, air pressure in the case can act on the water surface in the water tank, drawdown is when buoyancy aeration valve 4 valve bodies when water outlet, and spool moment that descends naturally is replenished the flow velocity of air quickening water, and the interior water of water tank is to spray under the effect of case internal gas pressure and gravity.Avoided manual tonifying Qi of frequent needs and low hydraulic pressure can't use drawback.
This built-in buoyancy aeration valve of the present utility model can discharge air, replenish effectively, adjusts water level by height is installed, and not limited by hydraulic pressure.Avoided closed water tank can't use low hydraulic pressure, formed phenomenons such as vacuum, need not to use other measure, simple in structure, dependable performance allows water tank fully rationalizes, energy-conservationization.
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the structure chart of existing suction type aeration valve;
Fig. 2 is a buoyancy aeration valve structure chart of the present utility model;
Fig. 3 is the structure chart of original state of the closed water tank of existing built-in suction type aeration valve;
Fig. 4 is the structure chart of closed water tank under low hydraulic equalization state of existing built-in suction type aeration valve;
Fig. 5 is the structure chart of closed water tank under original state of built-in buoyancy aeration valve of the present utility model;
Fig. 6 is the structure chart of closed water tank under low hydraulic equalization state of the built-in buoyancy aeration valve of the utility model.
Among the figure, 1 is closed water tank, 2 is water inlet, 3 is delivery port, 4 is the suction type aeration valve, 5 is the buoyancy aeration valve, 41,42,43,44,45,46,47,48 valve body, valve metal film, communicating pipe, body wall air inlet, rubber washer, jump ring, setscrew nut, the rubber washers that are respectively suction type aeration valve 4,51,52,53,54,55,56,57,58 are respectively valve body, spool, communicating pipe, body wall air inlet, rubber washer, jump ring, setscrew nut, the rubber washer of buoyancy aeration valve 5.
Embodiment
Present embodiment as shown in Figure 5 and Figure 6, bottom at sealing style water tank 1 has water inlet 2 and delivery port 3, at least one buoyancy aeration valve 5 is installed in above-mentioned water tank, this buoyancy aeration valve mainly is made of valve body 51, spool 52, communicating pipe 53, buoyancy aeration valve 5 is installed in the sidewall of closed water tank, by setscrew nut 57 location, rubber washer 58 plays the water-stop effect.Valve body 51 is downward, and the density of spool 52 is less than 1, and valve body height at the bottom of the case of water tank is about 2/5 of water tank height.Like this, when opening water inlet, buoyancy aeration valve 5 is in opening-wide state (Fig. 5) at this moment.Air constantly rises along with water level and discharges, and reaches sealing process when water level rises to valve body 51 positions, and water level continues to rise to when equating with water inlet pressure, water inlet no longer intake (Fig. 6).Open delivery port this moment, and the air pressure in the case can act on the water surface in the water tank, and the water in the water tank is to spray under the effect of case internal gas pressure and gravity and additional air of moment.When water level was lower than the valve body 51 of buoyancy aeration valve 5, spool 52 descended naturally, replenished the flow velocity that air is accelerated water rapidly, reached developing result.
Claims (2)
1. closed water tank that sanitaryware are used, the lower box of water tank has water inlet and delivery port, it is characterized in that being built-in with at least in the water tank buoyancy aeration valve (5), said buoyancy aeration valve comprises valve body (51), spool (52) and communicating pipe (53), valve body (51) is downward, and the density of spool (52) is less than the density of water.
2. closed water tank according to claim 1 is characterized in that said spool (52) is taper, plain cushion shape or hollow spheres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00232850 CN2441887Y (en) | 2000-05-01 | 2000-05-01 | Closed cistern with built-in float air compensation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00232850 CN2441887Y (en) | 2000-05-01 | 2000-05-01 | Closed cistern with built-in float air compensation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2441887Y true CN2441887Y (en) | 2001-08-08 |
Family
ID=33595348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00232850 Expired - Fee Related CN2441887Y (en) | 2000-05-01 | 2000-05-01 | Closed cistern with built-in float air compensation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2441887Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105494039A (en) * | 2015-12-05 | 2016-04-20 | 华南农业大学 | Root water spraying system and implementing method thereof |
| CN110118503A (en) * | 2018-02-05 | 2019-08-13 | 蓝星(北京)化工机械有限公司 | A kind of fused salt storage tank heat-exchange system |
-
2000
- 2000-05-01 CN CN 00232850 patent/CN2441887Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105494039A (en) * | 2015-12-05 | 2016-04-20 | 华南农业大学 | Root water spraying system and implementing method thereof |
| CN105494039B (en) * | 2015-12-05 | 2019-09-06 | 华南农业大学 | A kind of root water spray system and its implementation |
| CN110118503A (en) * | 2018-02-05 | 2019-08-13 | 蓝星(北京)化工机械有限公司 | A kind of fused salt storage tank heat-exchange system |
| CN110118503B (en) * | 2018-02-05 | 2021-08-17 | 蓝星(北京)化工机械有限公司 | Fused salt storage tank heat transfer system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |