CN2758642Y - Closed micro-pressure water storage water heater - Google Patents
Closed micro-pressure water storage water heater Download PDFInfo
- Publication number
- CN2758642Y CN2758642Y CN 200420071508 CN200420071508U CN2758642Y CN 2758642 Y CN2758642 Y CN 2758642Y CN 200420071508 CN200420071508 CN 200420071508 CN 200420071508 U CN200420071508 U CN 200420071508U CN 2758642 Y CN2758642 Y CN 2758642Y
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- water
- valve
- water tank
- water heater
- expansion chamber
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Abstract
The utility model relates to a sealing type micro-pressure water storage water heater, which has the advantages that the structure is simple, the use is safe and water resources are not easy to be wasted. The utility model comprises a water tank, a heat source assembly and a water outlet valve. The utility model is characterized in that a water inlet passage between a running water pipe and a water tank is sequentially provided with a water inlet chamber and an expanding chamber; a valve hole is arranged between the water inlet chamber and the expanding chamber; one side of a valve core which is positioned inside the water inlet chamber, which is opposite to the valve hole, is provided with a sealing compound. The valve core is pushed to the valve hole part to seal the valve hole by spring force, self gravity, or buoyancy; the outside of the expanding wall of the expanding chamber is provided with a spring, and inward force can be applied to the expanding wall; when the pressure of the inside the expanding chamber is reduced, the spring force enables the expanding wall to move inwards, and until a push rod inside the expanding wall pushes the valve core inside the water inlet chamber to enable the sealing compound to be separated from the valve hole, running water inside the water inlet chamber goes into the water tank through the valve hole and the expanding chamber.
Description
Technical field
The utility model relates to a kind of water heater, particularly a kind of closed minute-pressure storage water heater.
Background technology
Existing closed storage water heater, its water tank inlet connects running water pipe, delivery port picks out water valve, and the pressure with running water is identical all the time for the pressure in the water tank, when the volume of water tank hour, the interior pressure of little water tank is less, but when water tank capacity is big, presses also bigger in it, so, the wall thickness of large water tank is also greater than the wall thickness of little water tank, and, under the condition of HTHP, work very easily to cause for a long time because of water tank and get rusty, shortened the life-span of water tank, also blasted easily late period at water heater.At the problems referred to above that exist in the closed water storage electric heater, existing people has designed the electric heater of band water-control device, its objective is the pressure-bearing time that shortens the electric heater water tank, as disclosing a kind of " the closed courage body of the low pressure of valve controlled type electric heater " by name among the disclosed Chinese patent bulletin CN2428724Y in May 2 calendar year 2001, on the courage body diapire of this electric heater the water inlet interface is set respectively, water outlet interface and blowdown interface, at water inlet interface polyphone a magnetic valve and a pressure switch are set, at check valve of water outlet interface peripheral hardware and magnetic valve, establish an overflow pipe in the courage body, the blowdown interface is provided with a magnetic valve, on off state by the control magnetic valve, guarantee that the courage body can be communicated with atmosphere all the time, thereby realization courage body is worked under low-pressure state; This water control type electric heater is because use a plurality of magnetic valves, so its shortcoming is complex structure, poor reliability.In addition, disclose among the disclosed Chinese patent CN2382909Y on June 14th, 2000 " a kind of water intaking valve ", in comprising, it drives joint, valve body, valve gap, diaphragm, the compression spring in water hole into, valve rod reciprocatingly slides in valve body and seals, the limbers of valve rod, side opening communicate with clearance channel, by the valve pad control on-off with the inlet opening, valve pad is to the sealing area of the inlet opening effective area less than rubber diaphragm; The water intaking valve of this structure, come down to common decompression constant pressure valve, be that the pressure that utilizes rubber diaphragm to be subjected to low-pressure side resists the on high-tension side pressure that valve pad is subjected to, in case being the complex structure rubber membrane, its shortcoming damages the serious waste water resource, because after rubber diaphragm damages, valve opening is opened, and the water in the running water pipe outwards flows all the year through valve opening.
Summary of the invention
The purpose of this utility model is in order to solve the complex structure that exists in the problem that life-span is short, security is low that exists in the existing closed storage water heater or the existing decompression constant pressure valve, to cause the problem of water resource waste easily, and a kind of simple in structure, safe in utilization, closed minute-pressure storage water heater of being difficult for waste water resource is provided.
Technical scheme:
The technical scheme that realizes the utility model purpose is: a kind of closed minute-pressure storage water heater comprises water tank, thermal source assembly and outlet valve; Wherein the thermal source assembly can be solar thermal collector or electrothermal tube, electromagnetic heating body, microwave generator, heat pump heating and temperature control element separately etc.; Be sequentially with intake antrum, expansion chamber on the intake tunnel between being characterised in that from the running water pipe to the water tank, be provided with valve opening between intake antrum and the expansion chamber, the spool that is positioned at intake antrum is provided with sealing compound towards valve opening one side, and spool leans on spring force or self gravitation or buoyancy to be pushed to the valve opening place valve opening is sealed; The outer side of expanding wall of described expansion chamber is provided with spring makes expansion wall be subjected to inside power, when the pressure in the expansion chamber descends, this spring force inwardly moves expansion wall, push rod up to the expansion wall inboard pushes up spool and sealing compound is separated with valve opening in intake antrum, the running water in the intake antrum enters water tank through valve opening, expansion chamber.The closed minute-pressure storage water heater of this structure needs the position of sealing little, simple in structure; When outlet valve was closed, the pressure of water tank was only relevant with expansion wall and spring force, also promptly can be set to a lower pressure limit, after outlet valve is opened, interact to constitute a decompression constant pressure valve between valve opening, expansion wall, spring and the spool, so, the safety of water heater improved.
Described closed minute-pressure storage water heater, it is characterized in that described water tank is connected to the spilling water valve, the control lever of this spilling water valve is positioned at described outer side of expanding wall and controlled by described expansion wall, and when pressure in the water tank was higher than certain value, expansion wall was controlled described control lever the spilling water valve is opened.After closing outlet valve, if press unusual the rising in the water tank, the outside motion of expansion wall is backed down the spilling water valve and is made the outside spilling water of water tank with pressure release, after the interior drops of water tank, expansion wall and spilling water valve reset under the spring force effect, make water heater reenter normal condition, be equivalent to be provided with safety valve, be unlikely and press in the water tank too high and expansion wall is burst.
Described closed minute-pressure storage water heater is characterized in that being provided with locking mechanism between the cavity of described expansion wall and described expansion chamber.When expansion wall will move to extreme position, locking mechanism can not reset the expansion wall locking, even expansion wall is by bursting at this moment, spool and sealing compound still seal up valve opening, have only the water in the water tank to flow out, and can not waste too many running water.
Described closed minute-pressure storage water heater, it is characterized in that comprising the lock dog on the cavity that is arranged on described expansion chamber and being fixed on push rod on the described expansion wall at described locking mechanism, wherein this lock dog is placed in the hole of described cavity, be provided with the side that spring makes the lock dog front end withstand described push rod between this bottom, hole and lock dog, the side of described push rod is provided with falls level.When expansion wall drove control lever and outwards moves to certain position, lock dog fell the level place what the spring force effect fell into push rod, and push rod is withstood by lock dog when resetting and can not move to and back down the spool place.
Described closed minute-pressure storage water heater is characterized in that described expansion wall is a glued membrane, is fixed with sharp-crested on the cavity of described expansion chamber to living the sharp perverse of this glued membrane outside.The perverse effect of point is, when pressing in the water tank when too high, stabbed out to protect water tank by point when expansion wall expands to sharp perverse place outward.
Described closed minute-pressure storage water heater is characterized in that described expansion chamber is made of cylinder body and piston.When pressing in the water tank when too high, the complete liftout tank of piston is external, and piston can not be packed in the cylinder body voluntarily, and promptly piston can not reset, and running water is president's stream not.
Described closed minute-pressure storage water heater is characterized in that described cylinder body is anterior for seal area, rear portion are overflow area, and when piston was positioned at the overflow area place, outwards drained in the gap of water between cylinder body and piston in the water tank.Be spilling water mechanism between piston and the overflow area, be equivalent to the safety valve of water tank.
Beneficial effect:
Owing to adopted technical scheme described in the utility model, be equivalent between running water pipe and water tank, add a decompression constant pressure valve, make to press in the water tank and be stabilized in a certain low range hydraulic pressure, avoided water tank in the existing closed storage water heater to be in the affected by high of running water for a long time, prolonged the life-span of water tank, prevented that water tank from exploding because of interior pressure is too high, and can reduce the water tank wall thickness, even can use plastic cistern with the saving material; Compare with common decompression constant pressure valve, the position that the technical solution of the utility model need seal is few, simple in structure, and carry simple in structure a, reliable in action, by expansion wall control, be equivalent to the spilling water mechanism of safety valve, safe, even in spilling water mechanism when malfunctioning, locking mechanism also can guarantee after expansion wall is damaged, expansion wall can not opened valve opening again, prevents to cause the waste of water resource.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of an embodiment of closed minute-pressure storage water heater described in the utility model.
Fig. 2 is the structural representation of another embodiment control section.
Fig. 3 is the structural representation of another embodiment control section.
Among the figure, 164, temperature controller, 165, outlet pipe, 163, electrothermal tube, 162, water tank, 16, water inlet pipe, 161, outlet valve, 132, spring, 121, intake antrum, 13, spool, 11, running water pipe, 131, sealing compound, 12, cavity, 122, expansion chamber, 15, piston, 151, spring, 152, guide pad, 120, valve opening, 153, push rod, 141, control lever, 14, the spilling water valve, 17, overflow pipe; 24, apopore, 223, spring, 220, intake antrum, 22, spool, 221, sealing compound, 21, cavity, 28, valve opening, 231, push rod, 230, expansion chamber, 25, sealing ring, 23, piston, 27, guide pad, 26, spring, B, seal area, C, overflow area; 67, set screw, 65, spring, 69, point is perverse, 66, push rod, 661, fall level, 6104, lead, 610, expansion chamber, 6102, apopore, 63, spool, 631, spring, 633, intake antrum, 630, sealing compound, 632, valve opening, 68, lock dog, 681, spring, 61, cavity, 62, glued membrane, 70, support.
The specific embodiment:
Fig. 1 is the structural representation of an embodiment of closed minute-pressure storage water heater described in the utility model.As can be seen from Fig. 1, described closed minute-pressure storage water heater comprises shell (not drawing among the figure), water tank 162, thermal source assembly and outlet valve 161; Wherein the thermal source assembly in the present embodiment is electrothermal tube 163 and temperature controller 164; Cavity 12 left sides are the intake antrums 121 that connect running water pipe 11, constitute expansion chamber 122 between the inner chamber on cavity right side and the piston 15, expansion chamber 122 joins through water inlet pipe 16 and water tank 162 and spilling water valve 14, be provided with valve opening 120 between intake antrum 121 and the expansion chamber 122, spool 13 and sealing compound 131 lean on the elastic force of spring 132 to be pushed to valve opening 120 places valve opening are sealed; The expansion wall of expansion chamber---piston 15 outsides are provided with spring 151; The control lever 141 of the spilling water valve 14 of external overflow pipe 17 is positioned at the piston outside.State shown in Figure 1 is a holding state, at this moment, as voltage rise height in the water tank, piston 15 moves to right, after pressure in the water tank is elevated to certain value, the right-hand member push lever 141 of piston 15 with spilling water valve 14 open make water tank through overflow pipe 17 spilling waters with step-down, after the drops, piston moves to left in the water tank, control lever resets under spring (not drawing among the figure) effect, it is normal that water heater recovers, if the spilling water valve can not be opened, then piston continues to move to right up to coming off from cavity 12 with the protection water tank; When opening outlet valve 161, drops in the water tank, piston 15 moves to left, and push rod 153 backs down spool 121, and the water in the running water pipe enters water tank through intake antrum, valve opening, expansion chamber, water inlet pipe, and water heater is in water state.Certainly, spool is sealed valve opening because of also there being water pressure in the intake antrum to spool, so, as long as select suitable direction, spool and sealing compound are also moved under gravity or buoyancy function to the valve opening place, can be without spring 132.
Fig. 2 is the structural representation of control section among another embodiment.Cavity 21 left sides are that intake antrum 220, the right that connects running water pipe is cylinder body among Fig. 2, the seal area B of cylinder body front portion and piston 23 constitute expansion chamber 230, the rear portion is overflow area C, apopore 24 water receiving casees, be provided with valve opening 28 between intake antrum and the expansion chamber, intake antrum is provided with spool 22 and the sealing compound 221 that resets by spring 223, and piston 23 outsides are provided with spring 26; Seal area B in the cavity 21 matches as cylinder body and piston 23, also is provided with sealing ring 25 between piston and the cylinder body.Unfolding mode and Fig. 1 of its valve opening are suitable, the safe spilling water of formation mechanism between the overflow area C on the cylinder body and the piston 23 just, increase to when making piston move right overflow area C place when pressing in the water tank, overflow with pressure release in the interior gap of water between piston and overflow area of expansion chamber.
Fig. 3 is the structural representation of another embodiment control section.As can be seen from Fig. 3, glued membrane 62 as expansion wall is sandwiched between cavity 61 and the support 70, surround expansion chamber 610 between glued membrane and the cavity, apopore 6102 water receiving casees in the expansion chamber, be provided with in the cavity by falling level 661 locking mechanisms that constitute on lock dog 68 and spring 681 and the push rod 66 that is fixed on the glued membrane, be provided with valve opening 632 between intake antrum 633 and the expansion chamber 610, spool 631 is provided with sealing compound 630, also is provided with point perverse 69 in addition on the support.Shown position is a holding state, when pressing unusual the increase in the water tank, moves on the push rod 66, lock dog 68 under the spring force effect, stretch out and drop on push rod fall level 661 places, when glued membrane by point after perverse 69 perverse the wearing, the water in the water tank all flows out, and push rod can not reset, and sealing compound is sealed valve opening always.Certainly, the pressure release spilling water valve that is subjected to push rod control can be set in cavity also among Fig. 3, this is that those skilled in the art are all attainable on basis of the present utility model, does not do to state at this more.
Claims (7)
1, a kind of closed minute-pressure storage water heater comprises water tank, thermal source assembly and outlet valve; Be sequentially with intake antrum, expansion chamber on the intake tunnel between it is characterized in that from the running water pipe to the water tank, be provided with valve opening between intake antrum and the expansion chamber, the spool that is positioned at intake antrum is provided with sealing compound towards valve opening one side, and spool leans on spring force or self gravitation or buoyancy to be pushed to the valve opening place; The outer side of expanding wall of described expansion chamber is provided with spring.
2, according to the described closed minute-pressure storage water heater of claim 1, it is characterized in that described water tank is connected to the spilling water valve, the control lever of this spilling water valve is positioned at described outer side of expanding wall and controlled by described expansion wall.
3,, it is characterized in that being provided with locking mechanism between the cavity of described expansion wall and described expansion chamber according to the described closed minute-pressure storage water heater of claim 1.
4, according to the described closed minute-pressure storage water heater of claim 3, it is characterized in that comprising the lock dog on the cavity that is arranged on described expansion chamber and being fixed on push rod on the described expansion wall at described locking mechanism, wherein this lock dog is placed in the hole of described cavity, be provided with the side that spring makes the lock dog front end withstand described push rod between this bottom, hole and lock dog, the side of described push rod is provided with falls level.
5, according to the described closed minute-pressure storage water heater of claim 1, it is characterized in that described expansion wall is a glued membrane, be fixed with sharp-crested on the cavity of described expansion chamber to living the sharp perverse of this glued membrane outside.
6, according to the described closed minute-pressure storage water heater of claim 1, it is characterized in that described expansion chamber is made of cylinder body and piston.
7, according to the described closed minute-pressure storage water heater of claim 6, it is characterized in that described cylinder body is anterior for seal area, rear portion are overflow area, when piston was positioned at the overflow area place, outwards drained in the gap of water between cylinder body and piston in the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420071508 CN2758642Y (en) | 2004-07-09 | 2004-07-09 | Closed micro-pressure water storage water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420071508 CN2758642Y (en) | 2004-07-09 | 2004-07-09 | Closed micro-pressure water storage water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2758642Y true CN2758642Y (en) | 2006-02-15 |
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ID=36078782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420071508 Expired - Fee Related CN2758642Y (en) | 2004-07-09 | 2004-07-09 | Closed micro-pressure water storage water heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN2758642Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458299C (en) * | 2006-05-12 | 2009-02-04 | 艾欧史密斯(中国)热水器有限公司 | Energy-saving safety electric water heater with layered thermal insulation chamber |
| CN106369812A (en) * | 2016-09-25 | 2017-02-01 | 中山市亲泉电热水器科技有限公司 | Pre-heating and instant heating dual-mode water heater |
| CN106440337A (en) * | 2016-10-17 | 2017-02-22 | 厦门阿玛苏电子卫浴有限公司 | Closed water boiler |
| CN111041782A (en) * | 2018-10-12 | 2020-04-21 | 青岛海尔洗衣机有限公司 | Drum washing machine |
-
2004
- 2004-07-09 CN CN 200420071508 patent/CN2758642Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458299C (en) * | 2006-05-12 | 2009-02-04 | 艾欧史密斯(中国)热水器有限公司 | Energy-saving safety electric water heater with layered thermal insulation chamber |
| CN106369812A (en) * | 2016-09-25 | 2017-02-01 | 中山市亲泉电热水器科技有限公司 | Pre-heating and instant heating dual-mode water heater |
| CN106440337A (en) * | 2016-10-17 | 2017-02-22 | 厦门阿玛苏电子卫浴有限公司 | Closed water boiler |
| CN111041782A (en) * | 2018-10-12 | 2020-04-21 | 青岛海尔洗衣机有限公司 | Drum washing machine |
| CN111041782B (en) * | 2018-10-12 | 2022-11-18 | 青岛海尔洗衣机有限公司 | Drum washing machine |
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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 |