CN203189809U - Check valve - Google Patents
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- CN203189809U CN203189809U CN2013200349193U CN201320034919U CN203189809U CN 203189809 U CN203189809 U CN 203189809U CN 2013200349193 U CN2013200349193 U CN 2013200349193U CN 201320034919 U CN201320034919 U CN 201320034919U CN 203189809 U CN203189809 U CN 203189809U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 164
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000002411 adverse Effects 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 description 13
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 208000004350 Strabismus Diseases 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/003—Housing formed from a plurality of the same valve elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The utility model relates to a check valve which can be used for exhausting air collected in a shell out of a water tank conveniently, a water level sensor can be used for sensing water level in the water tank, sensing signals are output to a control unit which is not shown in the pictures, and the control unit is used for preventing water in the water tank from overflowing. A first valve component can be simply fixed at the bottom face of the shell to improved production efficiency, pressure of hot water can be utilized to circulating hot water, and therefore a motor is not needed for circulating water, noise generated when hot water circulates can be avoided, and fire disasters caused by the fact that a heater is too hot can be avoided.
Description
Technical field
The utility model relates to a kind of safety check, especially a kind of can simple and easy discharge at the safety check of the gas of internal gathering.
Background technique
Widely popularizing the safety check that uses in the past is Korea S's publication communique publication number: 2001-0059259 number (open day: patent July 6 calendar year 2001).
Above-mentioned Korea S publication communique publication number: disclosed safety check comprises in 2001-0059259 number: a barrel-type casing; One refrigerant suction pipe, its constitute insertion part that base bore by above-mentioned housing injects housing with, integrally formed and be projected into the protuberance of outside on above-mentioned insertion part; One refrigerant discharge tube, it constitutes by the bottom surface in above-mentioned lid hole and injects housing, and with the insertion part front end layout separated by a certain interval of above-mentioned refrigerant suction pipe, and the insertion part that possesses a plurality of vents with, integrally formed and be projected into the protuberance of outside on above-mentioned insertion part; One valve part, its constitute the valve cover that injects above-mentioned insertion part around the insertion part front end of above-mentioned refrigerant discharge tube and, between the insertion part of above-mentioned refrigerant discharge tube front end and valve cover, so that above-mentioned valve cover applies the compression spring of elastic force towards the insertion part forward end of refrigerant suction pipe so that refrigerant from the refrigerant suction pipe only to refrigerant discharge tube side flow.
The as above former safety check of Gou Chenging, in the refrigerant pipe between compressor and heat exchanger, when compressor operation, the runner of refrigerant is open, when compressor shut down, the runner of refrigerant was just closed, thereby in temperature variation big season, refrigerant between compressor and the heat exchanger is transformed into liquid, and prevents that adverse current from arriving compressor.
Yet, the as above former safety check of Gou Chenging, can not simple and easy discharge the gas collected of portion within it, thereby can not prevent water overflow in the water tank, it is very inconvenient to fix first valve body in the housing bottom surface, therefore can not enhance productivity, and for circulating water need use motor, so trigger noise, hot water can not circulation time if the hot water circulating pipe in the mat stops up simultaneously, because it is overheated and there are problems in initiation fire etc.
The model utility content
The purpose of this utility model is: solve the problems of prior art, provide a kind of can simple and easy discharge at the safety check of the gas of internal gathering.
Another purpose of the present utility model is to provide a kind of safety check that can prevent the water overflow in the water tank.
Another purpose of the present utility model be to provide a kind of can be in the bottom surface of housing the simple and easy safety check of fixing first valve member and enhancing productivity.
Another purpose of the present utility model is to provide a kind of safety check that can utilize the pressures cycle hot water of hot water.
The safety check of the noise that takes place when not using motor cycles hot water to prevent hot water circuit thereby another purpose of the present utility model is to provide a kind of.
Another purpose of the present utility model is to provide a kind of safety check that can prevent owing to the overheated fire that causes.
The technical solution of the utility model is: it has cylindrical shell, outer circumferential face outstanding formation of a plurality of projection integral types that is respectively equipped with for the screw hole that inserts connecting screw separated by a certain interval, and be located at the drain opening inboard of water tank, be provided with opening portion by above-mentioned connecting screw combination, it comprises: first valve member, it is located at the inboard, bottom surface of above-mentioned housing, when the pressure in the above-mentioned water tank during greater than the pressure in the above-mentioned housing, for the current in the above-mentioned water tank are advanced in the above-mentioned housing, open the through hole that is located at above-mentioned housing bottom surface, and when the pressure in the above-mentioned housing during greater than the pressure in the above-mentioned water tank, in order to stop the current in the above-mentioned water tank to advance in the above-mentioned housing, first valve member is located at the through hole inboard of above-mentioned housing bottom surface and can utilizes first support to carry out switch; Second valve member, it is located on the above-mentioned housing, at ordinary times owing to weight own descends, thereby close the exhaust port that is located at above-mentioned housing, and when applying power supply, heater will heat release, is injected into water in the above-mentioned heater and is heated and produces gas, opens the exhaust port that is located at above-mentioned housing in the above-mentioned water tank for gas is discharged to; The 3rd valve member, if hot water comb, hot water circulating pipe or aqueduct are blocked, the water that heats in above-mentioned heater will adverse current, water in the above-mentioned housing also is heated, thereby the pressure in the above-mentioned housing will rise, the water that heats in above-mentioned housing just is discharged in the water tank, and simultaneously in order to open the hot water tap hole that is located at above-mentioned housing, the 3rd valve member expands towards the top.
The utility model has the advantages that: can prevent water overflow in the water tank by simple structure, not only can utilize the pressures cycle hot water of hot water, and need not to utilize motor cycles water, therefore the noise that takes place in the time of can preventing hot water circuit, and can prevent safety check owing to the overheated fire that causes.
Description of drawings
Fig. 1 is the brief strabismus map of the utility model one embodiment's safety check.
Fig. 2 is the brief strabismus map of the state that is decomposed of the 3rd valve member of the utility model one embodiment's safety check.
Fig. 3 is second valve member of the utility model one embodiment's safety check and the summary longitudinal section that the 3rd valve member is closed the state of exhaust port and hot water tap hole.
Fig. 4 is that first valve member of the utility model one embodiment's safety check is opened, and the water that resides in the water tank is fed in housing and the heater, and second valve member and the 3rd valve member are closed the summary longitudinal section of the state of exhaust port and hot water tap hole.
Fig. 5 is the use phase diagram of the utility model one embodiment's safety check, thereby is that the 3rd valve member is closed and second valve member is opened the summary longitudinal section that the gas in the housing is discharged to the state of water tank.
Fig. 6 is that the utility model one embodiment's safety check internal pressure too rises and the expansion of the 3rd valve body, thereby gas in the housing is discharged to the summary longitudinal section of the state of water tank by the slit that is located at the 3rd valve body.
The reference numeral explanation
12: housing 12a: connecting screw 12b: screw hole 12c: the hot water tap hole
12d: opening portion 12e: bottom surface 12f: through hole 12g: exhaust port
13: the first valve member 13a: the first support 13b: the first valve body 13c: slotted hole
16: the second valve member 16a: strut 16b: thin plate 16c: upper ledge
16d: 18: the three valve member 18a of buoy: elastic plate
18b: hollow tube 30a, 30b, 30c, 30d: projection 31a, 31b: side plate
40: heater 50: water tank 50a: upper opening portion
54: the hot water discharge pipe 55: hot water mat 55a: hot water circulating pipe
56: aqueduct 57: water level perceptron 58: aluminum pipe
Embodiment
With reference to the safety check of accompanying drawing detailed description according to preferential embodiment of the present utility model.
Extremely shown in Figure 6 as Fig. 1, safety check 20 according to preferential embodiment of the present utility model, it comprises: cylindrical shell 12, outer circumferential face outstanding formation of a plurality of projection 30a, 30b, 30c, 30d integral type that is respectively equipped with for the screw hole 12b that inserts connecting screw 12a separated by a certain interval, and be located at drain opening 52 inboards of water tank 50, be provided with opening portion 12d by above-mentioned connecting screw 12a combination; First valve member 13, it is located at the 12e inboard, bottom surface of above-mentioned housing 12, when the pressure in the above-mentioned water tank 50 during greater than the pressure in the above-mentioned housing 12, for the current in the above-mentioned water tank 50 are advanced in the above-mentioned housing 12, open the through hole 12f that is located at above-mentioned housing 12 bottom surface 12e, and when the pressure in the above-mentioned housing 12 during greater than the pressure in the above-mentioned water tank 50, in order to stop the current in the above-mentioned water tank 50 to advance in the above-mentioned housing 12, first valve member 13 is located at the through hole 12f inboard of above-mentioned housing 12 bottom surface 12e, and can utilize the first support 13a to carry out switch; Second valve member 16, it is located on the above-mentioned housing 12, at ordinary times owing to weight own descends, thereby close the exhaust port 12g that is located at above-mentioned housing 12, and when applying power supply (not having reference character), heater 40 will heat release, is injected into water in the above-mentioned heater 40 and is heated and produces gas (bubble (air)), opens the exhaust port 12g that is located at above-mentioned housing 12 in the above-mentioned water tank 50 for it is discharged to; The 3rd valve member 18, if hot water comb 54, hot water circulating pipe 55a or aqueduct 56 blocked (locking), the water of heating will adverse current in above-mentioned heater 40, water in the above-mentioned housing 12 also is heated, thereby the pressure in the above-mentioned housing 12 will rise, the water of heating just is discharged in the water tank 50 in above-mentioned housing 12, and simultaneously in order to open the hot water tap hole 12c that is located at above-mentioned housing 12, the 3rd valve member 18 expands towards the top.
Above-mentioned first valve member 13 constitutes, and injects the first support 13a in the through hole (not having reference character) that is located at above-mentioned housing 12 bottom surface 12e; And integral type vertical with the above-mentioned first support 13a forms, and advances above-mentioned housing 12 in order to control the current that store in above-mentioned water tank 50, is used to open or close the first valve body 13b of the through hole 12f that is located at above-mentioned housing 12 bottom surface 12e; Open or close the above-mentioned first valve body 13b for simple and easy, be adjacent to the above-mentioned first support 13a when arranging, be located at the slotted hole 13c on the above-mentioned first valve body 13b top.
Above-mentioned second valve member 16 constitutes, and is located on the exhaust port 12g of above-mentioned housing 12 the strut 16a that can arrange up or down; When the pressure in the above-mentioned housing 12 greater than the pressure in the above-mentioned water tank 50, in order to rise along with the pressure in the above-mentioned housing 12 and to close exhaust port 12g, integral type is located at the thin plate 16b of above-mentioned strut 16a bottom; Be located at the periphery of above-mentioned strut 16a, and when being located at the exhaust port 12g top of above-mentioned housing 12, be located at above-mentioned thin plate 16b top, and prevent the upper ledge 16c that above-mentioned strut 16a breaks away from from above-mentioned housing 12; When the pressure in the above-mentioned housing 12 of outer circumferential face surpasses specified level greater than the pressure in the above-mentioned water tank 50 or the water level that is injected into the water in the above-mentioned water tank 50, in order to close the exhaust port 12g that is located at above-mentioned housing 12, and promote the buoy 16d of above-mentioned thin plate 16b towards the top.
Above-mentioned the 3rd valve member 18 constitutes, and its two ends are injected the side plate 31a that is located at above-mentioned projection 30a, 30b outer side surface, the elastic plate 18a of 31b bottom respectively; For watertight closure is located at the hot water tap hole 12c of above-mentioned housing 12, be inserted in the tetragonal hollow tube 18b in the above-mentioned elastic plate 18a central authorities outside.
Above-mentioned elastic plate 18a preferentially uses phosphor bronze, iron and steel or resilient metal or nonferrous metal to form, above-mentioned tetragonal hollow tube 18b preferentially utilizes one or more materials of selecting in teflon, silica gel, man made rubber and the soft synthetic resin, compre sion molding or injection moulding, above-mentioned buoy 16d is made of natant material.
In the accompanying drawing, unaccounted reference character 50a refers to the upper opening portion of above-mentioned water tank 50, mark 51 is for first joint in conjunction with safety check 20 and heater 40, mark 52a is the clamp holder that utilizes above-mentioned first joint 51 further to be combined securely behind heater 40 in conjunction with safety check 20, mark 53 is in conjunction with above-mentioned heater 40 and hot water discharge pipe 54 time, in water tank 50, introduce owing in the hot water circulating pipe 55a of hot water mat 55, circulate and the hot water circulating pipe 55a of the water that temperature descends and second joint that aqueduct 56 carries out combination, mark 57 is the water level in the above-mentioned water tank 50 of electronics perception and the water level perceptron that outputs to not shown controller, and mark 58 is the aluminum pipes that are arranged in week in above-mentioned first joint 50.
Below, the effect of the safety check of the present utility model that as above constitutes is described.
At first, close the first valve body 13b of first valve member 13 of the through hole 12f that is located at housing 12 bottom surface 12e, and when the pressure in the water tank 50 during greater than the pressure in the housing 12, the buoy 16d of second valve member 16 is owing to own wt and the state of the certain altitude that descends down, therefore the above-mentioned first valve body 13b is owing to the pressure of water in the above-mentioned water tank 50 is opened, and the water in the above-mentioned water tank 50 just flows in above-mentioned housing 12 and the heater 40.Owing to be provided with slotted hole 13c on the first valve body 13b top of above-mentioned first valve member 13, therefore the above-mentioned first valve body 13b freely opens or closes the through hole 12f that is located at housing 12 bottom surface 12e.
So if the water level of the water that flows in the housing 12 of the utility model safety check 20 surpasses certain level, the buoy 16d of above-mentioned second valve member 16 rises towards the top, so that the thin plate 16b of second valve member 16 closes exhaust port 12g, and the water in heater 40 begin to heat and the temperature of water (for example reaches uniform temperature, 70 ℃), hot water in the heater 40 is through hot water exhaust port 53a and the hot water comb 54 of second joint 53, and circulate among the hot water circulating pipe 55a in being arranged in hot water mat 55, thereby in the time of heat hot water mat 55, because the water that heating above-mentioned hot water mat 55 and temperature descend, flow to above-mentioned water tank 50 through ingress pipe 53b and the aqueduct 56 of second joint 53.
Close before the exhaust port 12g that is located at above-mentioned housing 12 at the thin plate 16b of above-mentioned second valve member 16, gas or bubble owing to the water heating that is fed in the above-mentioned heater 40 produces naturally are discharged in the above-mentioned water tank 50.
In the above-mentioned explanation, be fed to heater 40 again and be heated along with flowing to water in the above-mentioned housing 12, it is bigger than the pressure in the above-mentioned water tank 50 that pressure in the above-mentioned housing 12 just becomes, the water level that perhaps flows to the water in the safety check 20 of the present utility model surpasses certain level, the buoy 16d of above-mentioned second valve member 16 just floats towards the top along with the rising of water level, so that the thin plate 16b of second valve member 16 closes exhaust port 12g, above-mentioned first valve member 13 is just closed the through hole 12f that is located at above-mentioned housing 12 bottom surface 12e, thereby prevent that the water in the above-mentioned water tank 50 from flowing in the above-mentioned housing 12 through through hole 12f, when the temperature of water (for example acquires a certain degree, 70 ℃) time, thereby not shown bimetallic strip disconnects and prevents that heater 40 is overheated, to prevent breaking out of fire.
In addition, flow to that water in the above-mentioned housing 12 are fed to heater 40 and when being heated, if the hot water exhaust port 53a of above-mentioned second joint 53, above-mentioned hot water comb 54, be arranged in the hot water circulating pipe 55a in the above-mentioned hot water mat 55, the ingress pipe 53b of above-mentioned second joint 53, in the aqueduct 56 any one is blocked, and the hot water of heating can not circulation time in above-mentioned heater 40, hot water in the above-mentioned heater 40 arrives in the above-mentioned housing 12 with regard to adverse current, thereby promote the buoy 16d of above-mentioned second valve member 16 towards the top, thin plate 16b just closes the tap hole 12g that is located at above-mentioned housing 12, therefore utilize the pressure of the hot water of adverse current in the above-mentioned heater 40 and the elastic plate 18a of above-mentioned the 3rd valve member 18 that expands the time, if the temperature of water (for example reaches uniform temperature, 70 ℃), not shown bimetallic strip prevents that with regard to disconnection heater 40 is overheated, to prevent breaking out of fire.
Accordingly, the hot water tap hole 12c of watertight closure (sealing) is opened because the elastic plate 18a of above-mentioned the 3rd valve member 18 reaches around the hollow tube 18b of above-mentioned elastic plate 18a outside, the hot water that flows in the above-mentioned housing 1 is discharged in the water tank 50, thereby the temperature in the above-mentioned housing 12 descends, just can utilize the elastic plate 18a of above-mentioned the 3rd valve member 18 to reach around the hollow tube 18b of above-mentioned elastic plate 18a outside, the above-mentioned hot water tap hole of watertight closure 12c.Then, because the buoy 16d of above-mentioned second valve member 16 is adjacent to above-mentioned housing 12 sole arrangement, therefore can stops owing to the buoy 16d of above-mentioned second valve member 16 and too open first valve member 13.
Thereby, the utility model can be in water tank the gas collected in enclosure interior of simple and easy discharge, and utilize the water level in the water level perceptron 57 perception water tanks and output to not shown control unit, therefore just can prevent water overflow in the water tank by control unit, thereby and can enhance productivity by simple and easy first valve member of fixing in the housing bottom surface, and the pressures cycle hot water of the enough hot water of energy, and need not to utilize motor cycles hot water, therefore the noise that takes place in the time of can preventing hot water circuit, and prevent because the fire that overheated heater causes.
In the above-mentioned explanation, specific embodiment has carried out diagram and explanation for example, but the utility model is not limited to this, the people who for example has the common knowledge of the art can be in the scope that does not exceed concept of the present utility model, carry out various design alteration, this design alteration is also contained in the concept of claims of the present utility model.
Safety check according to the utility model one embodiment, can simple and easy discharge at the gas of internal gathering, and prevent water overflow in the water tank, and pressures cycle hot water that can enough hot water, and simple and easyly in the housing bottom surface fix first valve body and enhance productivity, and utilize the pressures cycle hot water of hot water, and need not to utilize motor cycles hot water, in the time of the noise that takes place when therefore preventing hot water circuit, can prevent owing to the overheated fire that causes etc., have outstanding effect.
Claims (4)
1. safety check, it has cylindrical shell (12), in the outer circumferential face a plurality of projections (30a, 30b, 30c, 30d) that are respectively equipped with for the screw hole (12b) that inserts connecting screw (12a) separated by a certain interval, and be located at drain opening (52) inboard of water tank (50), corresponding with opening portion (12d) by above-mentioned connecting screw (12a), it is characterized in that, comprising:
First valve member (13), it is located at the inboard, bottom surface (12e) of above-mentioned housing (12), when the pressure in the above-mentioned water tank (50) during greater than the pressure in the above-mentioned housing (12), for the current in the above-mentioned water tank (50) are advanced in the above-mentioned housing (12), open the through hole (12f) that is located at above-mentioned housing (12) bottom surface (12e), and when the pressure in the above-mentioned housing (12) during greater than the pressure in the above-mentioned water tank (50), in order to stop the current in the above-mentioned water tank (50) to advance in the above-mentioned housing (12), first valve member (13) is located at through hole (12f) inboard of above-mentioned housing (12) bottom surface (12e), and can utilize first support (13a) to carry out switch;
Second valve member (16), it is located on the above-mentioned housing (12), at ordinary times owing to weight own descends, thereby close the exhaust port (12g) that is located at above-mentioned housing (12), and when applying power supply, heater (40) will heat release, is injected into water in the above-mentioned heater (40) and is heated and produces gas, opens the exhaust port (12g) that is located at above-mentioned housing (12) in the above-mentioned water tank (50) for gas is discharged to;
The 3rd valve member (18), if hot water comb (54), hot water circulating pipe (55a) or aqueduct (56) are blocked, the water of heating will adverse current in above-mentioned heater (40), water in the above-mentioned housing (12) also is heated, thereby the pressure in the above-mentioned housing (12) will rise, the water of heating just is discharged in the water tank (50) in above-mentioned housing (12), and simultaneously in order to open the hot water tap hole (12c) that is located at above-mentioned housing (12), the 3rd valve member (18) expands towards the top.
2. safety check according to claim 1 is characterized in that,
Above-mentioned first valve member (13) constitutes,
Reeve is located at interior first support (13a) of through hole of above-mentioned housing (12) bottom surface (12e);
And integral type vertical with above-mentioned first support (13a) forms, advance above-mentioned housing (12) in order to control the current that in above-mentioned water tank (50), store, be used to open or close first valve body (13b) of the through hole (12f) that is located at above-mentioned housing (12) bottom surface (12e);
For simple and easy above-mentioned first valve body (13b) that opens or closes, when being adjacent to above-mentioned first support (13a) setting, be located at the slotted hole (13c) on above-mentioned first valve body (13b) top.
3. safety check according to claim 2 is characterized in that,
Above-mentioned second valve member (16) constitutes,
Be located on the exhaust port (12g) of above-mentioned housing (12) strut that can arrange up or down (16a);
When the pressure in the above-mentioned housing (12) greater than the pressure in the above-mentioned water tank (50), in order to rise along with the pressure in the above-mentioned housing (12) and to close exhaust port (12g), integral type is located at the thin plate (16b) of above-mentioned strut (16a) bottom;
Be located at the periphery of above-mentioned strut (16a), and when being located at exhaust port (12g) top of above-mentioned housing (12), be located at above-mentioned thin plate (16b) top, and prevent the upper ledge (16c) that above-mentioned strut (16a) breaks away from from above-mentioned housing (12);
When the pressure in the above-mentioned housing of outer circumferential face (12) surpasses specified level greater than the pressure in the above-mentioned water tank (50) or the water level that is injected into the water in the above-mentioned water tank (50), in order to close the exhaust port (12g) that is located at above-mentioned housing (12), and promote the buoy (16d) of above-mentioned thin plate (16b) towards the top.
4. safety check according to claim 1 is characterized in that,
Above-mentioned the 3rd valve member (18) constitutes,
The elastic plate (18a) of side plate (31a, the 31b) bottom that is located at above-mentioned projection (30a, 30b) outer side surface is injected at its two ends respectively;
For watertight closure is located at the hot water tap hole (12c) of above-mentioned housing (12), be inserted in the hollow tube (18b) in above-mentioned elastic plate (18a) the central authorities outside.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2012-0002077 | 2012-03-15 | ||
| KR2020120002077U KR20130005593U (en) | 2012-03-15 | 2012-03-15 | Check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189809U true CN203189809U (en) | 2013-09-11 |
Family
ID=49106669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200349193U Expired - Fee Related CN203189809U (en) | 2012-03-15 | 2013-01-23 | Check valve |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20130005593U (en) |
| CN (1) | CN203189809U (en) |
-
2012
- 2012-03-15 KR KR2020120002077U patent/KR20130005593U/en not_active Ceased
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2013
- 2013-01-23 CN CN2013200349193U patent/CN203189809U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20130005593U (en) | 2013-09-25 |
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Effective date of registration: 20180424 Address after: 339-1 times in the new moon of Cao Yue Yi, Kwangju, Gyeonggi Do, Korea Patentee after: Xinxin Life Science Co., Ltd. Address before: No. 1707, 322102 hole 1707, Park Road, Shing Jing, Gyeonggi Do, South Korea, 1707 Patentee before: Jin Changjian |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20190123 |
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