CN1971163A - Water control device for water storage type water heater - Google Patents
Water control device for water storage type water heater Download PDFInfo
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- CN1971163A CN1971163A CN 200510101896 CN200510101896A CN1971163A CN 1971163 A CN1971163 A CN 1971163A CN 200510101896 CN200510101896 CN 200510101896 CN 200510101896 A CN200510101896 A CN 200510101896A CN 1971163 A CN1971163 A CN 1971163A
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- expansion wall
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Abstract
The invention relates to a water control equipment for water storage heater, which is provided with simple structure, convenience operation and prolonged service life, comprising valve, support, expansion wall and switch valve, characterized in that an expansion cavity is formed by the valve and the expansion wall; water inlet cavity and water outlet hole are set on the valve, the water inlet cavity is connected with running water pipe, the water outlet hole is connected with the water outlet valve of heater, water inlet hole is set between water inlet cavity and expansion cavity, sliding water resistance block is set at the position of water inlet hole in the water inlet cavity, return spring is set between the outside of water resistance block and water inlet cavity, gear mated with rack fixed on the expansion wall is set in the expansion cavity, at the lower of gear screw is set to mate with the screw thread of valve, the mandril at the upper of gear is opposite to the inside of water resistance block; spring is set between the expansion wall and support and the elasticity direction make said expansion cavity shrink; the switch bar of switch valve is set at one side of expansion wall to be controlled by expansion wall.
Description
Technical field
The present invention relates to a kind of water-control device, particularly a kind of water control apparatus for water storage type water heater.
Background technology
In the closed storage water heater water system that existing family or hotel guest-room are used, comprise water tank, cold water pipe, hot-water line and outlet valve, wherein cold water pipe connects water tank and running water pipe, hot-water line connects water tank and outlet valve, fill hot water in the water tank, this hot water is that the pyrogenicity element is (as electrothermal tube, electromagnetic field eddy-current heating body---utilize the principle of electromagnetic stove, microwave generator---utilize the principle of micro-wave oven that water is heated, the reverse work of the hot system of refrigerant system---refrigeration system is about to the condenser of refrigeration system as heater) or get through the solar thermal collector heat temperature raising; During normality, running water pipe, water tank, hot-water line, outlet valve (or mixed water valve) constitute an obturator, and hot-water line can join to realize central water control with a plurality of outlet valves (or mixed water valve); Open outlet valve (or mixed water valve) during use, under the hydraulic pressure effect of the hot water in the water tank in running water pipe water is extruded through outlet valve; This closed water heater's advantage is to realize remote central water control, but shortcoming is short a, poor stability of water tank life-span, reason is that water tank bears high hydraulic pressure for a long time, water tank is thicker with material, cost height, metal water tank under the HTHP effect very easily by corrosion, thereby shortened its life-span, and when hydraulic pressure too high or temperature controller, can blast when relief valve is malfunctioning, thereby cause danger.The problems referred to above in view of existing water heater existence, in the Chinese patent bulletin CN2428724Y of bulletin on May 2 calendar year 2001, a kind of " the low pressure sealing courage body electric heater of valve controlled type " disclosed, 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 electric heater has used a plurality of electromagnetic switching valves to realize switching (its switching power is electromagnet) between courage bodies and entery and delivery port, the atmosphere, and its shortcoming is: can not use hot water during power failure, and the cost height.
Summary of the invention
The objective of the invention is problem short for the water tank cost height, the life-span that exist in the water system that solves existing closed storage water heater, poor stability, and provide a kind of simple in structure, easy to use, can prolong the storage water heater's in water tank life-span water control apparatus for water storage type water heater.
Technical scheme:
The objective of the invention is such: a kind of water control apparatus for water storage type water heater, comprise valve body, support, expansion wall and transfer valve, wherein transfer valve is the valve on the controlled passage, controlled passage can be passage, the passage of outlet from the water-heater water tank to the overflow pipe, the passage from water tank to mixed water valve from the water inlet pipe to the water-heater water tank, the shell of transfer valve is relative with valve body static, it is characterized in that valve body and expansion wall surround an expansion chamber; Valve body is provided with intake antrum and apopore, wherein intake antrum connects running water pipe, the apopore that communicates with expansion chamber connects the outlet valve of water heater, be provided with the inlet opening between intake antrum and the expansion chamber, make the water in the intake antrum can flow into expansion chamber, be positioned at the place, inlet opening in the intake antrum and be provided with the slide block that slidably blocks water, block water and be provided with back-moving spring between the slide block outside and the intake antrum, be provided with and be fixed on the meshing gear of tooth bar on the expansion wall in the expansion chamber, the screw thread that the gear bottom is provided with on screw rod and the valve body matches, and the push rod on gear top is over against the slide block inboard that blocks water; Be provided with spring between described expansion wall and the support, its elastic force direction is shunk described expansion chamber; The changer lever of described transfer valve is arranged on expansion wall one side and controlled by expansion wall.The order of expansion wall control transfer valve and the described slide block that blocks water is: expansion wall from outermost when the interior motion, drive described changer lever control transfer valve and change user mode over to from holding state, then, the drive lower gear of the tooth bar on expansion wall turns to its push rod slide block that will block water and backs down, the slide block that blocks water is separated with the inlet opening, to increase the cross section of intake antrum to the intake tunnel of expansion chamber, and expansion wall from interior when outermost is moved, the push rod of tooth bar elder generation driven gear separates with the slide block that blocks water, the gap of running water through blocking water between piece and the inlet opening in the intake antrum enters in the expansion chamber, continuation to extrapolation, drives expansion wall changer lever control transfer valve up to expansion wall and returns holding state from user mode.
Described water control apparatus for water storage type water heater is characterized in that described support is provided with limited block to limit the outwards outermost position of motion of expansion wall.
Described water control apparatus for water storage type water heater is characterized in that described expansion wall is a piston, is provided with sealing ring between this piston and the body cavity.The cross section of sealing ring is " U " shape, and opening is to body cavity.
When the present invention is applied on the water heater, be provided with two valves that holding state is following in the transfer valve: the normally closed water supply valve between the apopore of often opening spilling water valve, water tank and described valve body between water tank and the overflow pipe; During holding state, water tank communicates with overflow pipe, obstructed with the apopore and the hot-water line of valve body, so water tank communicates with atmosphere through overflow pipe, water tank is in the open type duty; And the holding state of the water control apparatus for water storage type water heater of corresponding this moment is, the inlet opening slide block that blocked water blocks, running water can only enter expansion chamber through the gap of the inlet opening and the slide block that blocks water, expansion wall is pushed up outermost by hydraulic pressure, press with hydraulic pressure is identical from the beginning in the expansion chamber, the mixed water valve cold water inlet that connects the valve body apopore is closed, and mixed water valve water inlet of hot water is also closed, so the hot water in the water tank can not flow out through mixing water valve; When using hot water, open mixed water valve, the gap that cause blocks water between slide block and the inlet opening is less, hydraulic pressure in the expansion chamber sharply descends, expansion wall is inwardly motion under the spring force effect, drive changer lever transfer valve is transformed into user mode, be often to open the spilling water valve closing between water tank and the overflow pipe, normally closed water supply valve between the apopore of water tank and valve body is opened, water tank is in enclosed user mode, after the water inlet of hot water of hot water in the water tank through mixing water valve enters and mixes water valve and the cold water mix from mixed water valve cold water inlet, flow out through mixing the water valve outlet, at this moment, the hydraulic pressure in the expansion chamber and the malleation lifting surface area and the spring force of expansion wall, frictional force is relevant, as long as design the size of each power, can make in the expansion chamber to press when user mode constantly to make the water control apparatus for water storage type water heater tool in the effect of decompression barostat in a lower appropriate value, the pressure that water tank bore can reduce greatly; Certainly be located at the normally closed water supply valve between the apopore of water tank and valve body, also can change into and being directly arranged between water tank and the running water pipe, but at this moment the decompression constant voltage effect of water control apparatus for water storage type water heater is inoperative to water tank.Can use by in parallel a plurality of and mixed water valve in the water heater, realize that multiple spot supplies water, promptly the same with the closed water heater central authorities that can realize supply water.
Beneficial effect:
Owing to adopted technical solutions according to the invention, when water control apparatus for water storage type water heater is closed at outlet valve, water tank communicates with atmosphere, only when its water outlet, water tank just bears the hydraulic pressure through the decompression constant voltage, water tank becomes pressure-bearing duty in short-term by original long-term pressure-bearing duty, and this hydraulic pressure is lower, can reduce the withstand voltage standard of water tank, thereby reduce the water tank wall thickness and save cost and resource, water tank, is difficult for by corrosion at high pressure conditions without long-term work, prolong the service life of water tank, improve its security performance; Though this water control apparatus for water storage type water heater is the open type state when not water outlet, can realize that equally central authorities supply water, so, long, safety of life-span not only, and easy to use, simple in structure.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is syndeton and the control principle schematic diagram that water control apparatus for water storage type water heater of the present invention is applied in an embodiment on the electric heater.
Fig. 2 is the internal structure enlarged diagram of water control apparatus for water storage type water heater among Fig. 1 embodiment.
The outward appearance enlarged drawing of stator in the transfer valve 04 among Fig. 3 Fig. 2.
Fig. 4 is the outward appearance enlarged drawing of transfer valve 04 interior moving plate among Fig. 2.
Description of symbols among the figure: 091, water tank, 0911, hot-water line, 0921, outlet pipe, 092, mix water valve, 0901, connecting leg, 80, water-control device, 800, running water pipe, 083, the spilling water valve, 0831, overflow pipe, 0821, feed pipe, 082, water supply valve; 020, limited block, 034, compression spring, 02, support, 03, piston, 031, control lever, 0312, planing surface, 0311, pressure head, 04, transfer valve, 041, changer lever, 4, tooth bar, 51, nut, 5, gear, 014, guide pad, 012, the inlet opening, 05, the slide block that blocks water, 051, back-moving spring, 050, intake antrum, 013, interface, 601, through hole, 011, apopore, 010, expansion chamber, 01, valve body; 148, stator, 1481,1482,1483, through hole, 149, moving plate, 1491 supply flumes.
The specific embodiment:
Fig. 1 is syndeton and the control principle schematic diagram that water control apparatus for water storage type water heater of the present invention is applied in an embodiment on the electric heater, this electric heater comprises water tank 09, heating is (in water tank, do not draw among the figure), hot-water line 0911, mix water valve 092, running water pipe 800 and feed pipe 0821, the cold water inlet that mixes water valve 092 is connected to connecting leg 0901, connect the water inlet of hot water that mixes water valve 092 between the outlet of hot-water line 0911, valve between the water inlet of hot water of hot-water line 0911 and mixed water valve is a by-pass valve control, do not communicate between the connecting leg 0901 and hot-water line 0911 when closing when mixing water valve 092, prevent that the cold water in the connecting leg from flowing to hot-water line, water-control device 80 of the present invention is connected between connecting leg 0901 and the running water pipe 800, is connected to normally closed water supply valve 082 between connecting leg and the feed pipe 0821; Be connected to the spilling water valve of often opening 083 between water tank 091 and the overflow pipe 0831.Dot-dash among Fig. 1 represents that water supply valve and excessive valve are subjected to water-control device 80 controls.
See Fig. 2, water control apparatus for water storage type water heater of the present invention, comprise valve body 01, support 02, compression spring 034, piston 03, constitute expansion chamber 010 between valve body and the piston, connecting leg 0901 in apopore 011 map interlinking 1, connect the running water pipe in 013 map interlinking 1, inlet opening 012 can be communicated with running water pipe, in the intake antrum 050 in 012 outside, inlet opening, be provided with the slide block 05 that blocks water, the block water slide block outside is provided with back-moving spring 051, the screw thread that expansion chamber 010 is fixed with nut 51 and gear 5 bottoms matches, the push rod of gear 5 tops is over against slide block 05 inboard that blocks water, being fixed on control lever 031 on the piston 03, to be provided with tooth bar 4 meshing with gear 5, and water supply valve 082 among Fig. 1 and spilling water valve 083 are integrated in the transfer valve 04 of Fig. 2.
The stator 148 of transfer valve 04 as shown in Figure 3, moving plate 149 as shown in Figure 4, feed pipe 0821 in through hole 1481 map interlinkings 1 in the stator 148 of transfer valve 04, the overflow pipe 0831 in through hole 1482 map interlinkings 1, the connecting leg 0901 in through hole 1483 map interlinkings 1, the moving plate 149 of transfer valve is provided with supply flume 1491 towards stator 148 1 sides, and through hole 1481 and through hole 1483 that supply flume 1491 in the moving plate and the through hole 1481 in the stator and 1482 constitute in spilling water valves, supply flume 1491 and the stator constitute water supply valves.
Operation principle: in conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4, open and mix water valve 092, water in the expansion chamber 010 is through apopore 011, connecting leg 0901, mixing water valve 092 flows out, hydraulic pressure in the expansion chamber 010 descends, piston 03 moves right under the effect of compression spring 034, the pressure head 0311 of control lever 031 is depressed the changer lever 041 of transfer valve 04, transfer valve 04 change action, moving plate 149 clockwise rotates with respect to stator 148, (open by spilling water valve 083 from the state that is communicated with through hole 1481 and 1482 for supply flume 1491, water supply valve 082 is closed) (spilling water valve 083 is closed to switch to the state that is communicated with through hole 1481 and 1483, water supply valve 082 is opened), also keep off in the inlet opening 012 import department this moment because of the slide block 05 that blocks water, running water can only enter in the expansion chamber 010 in the gap through blocking water between slide block 05 and the inlet opening 012, piston 03 can continue to move to right, to block water slide block 05 of push rod up to gear 5 tops upwards makes the slide block 05 that blocks water separate with inlet opening 012 in the top, the through hole 601 of running water on the slide block 05 that blocks water, inlet opening 012 enters in the expansion chamber 010, at this moment, moving of piston 03 plays the balance and stability effect to the hydraulic pressure in the expansion chamber 010, water heater enters user mode, 012 enters expansion chamber 010 through the inlet opening, water one tunnel in the connecting leg 0901 directly enters the cooling water inlet that mixes water valve 092, and another road (is the through hole 1483 on the stator 148 through water supply valve 082, supply flume 1491 on the moving plate 149, through hole 1481 on the stator), feed pipe 0821 enters water tank 091 and the hot water in the water tank 091 is pressed into the hot water inlet that mixes water valve 092 through hot-water line 0911 and flows out through outlet pipe 0921 from becoming warm water after the cold water mix of mixing the water valve cooling water inlet; After using hot water, close and mix water valve 092, press liter in the expansion chamber 010, piston 03 moves to left under the hydraulic pressure effect, push rod on the rack drives gear 5 on the control lever separates with the slide block 05 that blocks water, the slide block 05 that blocks water shelters from inlet opening 012 fully, the gap that running water continues through blocking water between slide block 05 and the inlet opening 012 enters in the expansion chamber 010, just the flow of this moment is less, piston 03 can continue to be moved to the left under the hydraulic pressure effect, changer lever 041 resets under back-moving spring (not drawing among the figure) effect, water supply valve 082 is closed, spilling water valve 083 is opened (be among Figure 11 supply flume 1491 across between through hole 1481 and 1482), piston 03 move left to always limited 020 spacing till (state shown in Figure 2), water heater reenters holding state, at this moment, gapped between slide block 05 and the inlet opening 012 though block water, because of 03 limited 020 in piston spacing, so, water in the expansion chamber 010 can not increase yet, and water heater enters holding state.With hot water or cold water's import of a plurality of mixed water valves manage 0901 respectively in succession, hot-water line 0911 can realize that central authorities supply water.
Dotted line among Fig. 4 is represented supply flume 1491 back side on moving plate 149.
Claims (3)
1, a kind of water control apparatus for water storage type water heater comprises valve body, support, expansion wall and transfer valve, and wherein transfer valve is the valve on the controlled passage, and the shell of transfer valve is relative with valve body static, it is characterized in that valve body and expansion wall surround an expansion chamber; Valve body is provided with intake antrum and apopore, wherein intake antrum connects running water pipe, the apopore that communicates with expansion chamber connects the outlet valve of water heater, be provided with the inlet opening between intake antrum and the expansion chamber, be positioned at the place, inlet opening in the intake antrum and be provided with the slide block that slidably blocks water, block water and be provided with back-moving spring between the slide block outside and the intake antrum, be provided with and be fixed on the meshing gear of tooth bar on the expansion wall in the expansion chamber, the screw thread that the gear bottom is provided with on screw rod and the valve body matches, and the push rod on gear top is over against the slide block inboard that blocks water; Be provided with spring between expansion wall and the support, its elastic force direction is shunk described expansion chamber; The changer lever of transfer valve is arranged on expansion wall one side and controlled by expansion wall.
2,, it is characterized in that described support is provided with limited block to limit the outwards outermost position of motion of expansion wall according to the described water control apparatus for water storage type water heater of claim 1.
3,, it is characterized in that described expansion wall is a piston, is provided with sealing ring between this piston and the body cavity according to the described water control apparatus for water storage type water heater of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510101896 CN1971163A (en) | 2005-11-25 | 2005-11-25 | Water control device for water storage type water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510101896 CN1971163A (en) | 2005-11-25 | 2005-11-25 | Water control device for water storage type water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1971163A true CN1971163A (en) | 2007-05-30 |
Family
ID=38112097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510101896 Pending CN1971163A (en) | 2005-11-25 | 2005-11-25 | Water control device for water storage type water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1971163A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854762A (en) * | 2017-11-30 | 2019-06-07 | 宁波方太厨具有限公司 | A kind of on-off valve |
| JP2019138492A (en) * | 2018-02-06 | 2019-08-22 | リンナイ株式会社 | Instantaneous hot water tapping device |
| CN113623862A (en) * | 2021-07-22 | 2021-11-09 | 陈安平 | Domestic electric water heater |
-
2005
- 2005-11-25 CN CN 200510101896 patent/CN1971163A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854762A (en) * | 2017-11-30 | 2019-06-07 | 宁波方太厨具有限公司 | A kind of on-off valve |
| CN109854762B (en) * | 2017-11-30 | 2024-01-16 | 宁波方太厨具有限公司 | On-off valve |
| JP2019138492A (en) * | 2018-02-06 | 2019-08-22 | リンナイ株式会社 | Instantaneous hot water tapping device |
| JP6998783B2 (en) | 2018-02-06 | 2022-01-18 | リンナイ株式会社 | Immediate hot water discharge device |
| CN113623862A (en) * | 2021-07-22 | 2021-11-09 | 陈安平 | Domestic electric water heater |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |