KR200475547Y1 - Check valve - Google Patents

Check valve Download PDF

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Publication number
KR200475547Y1
KR200475547Y1 KR2020130006334U KR20130006334U KR200475547Y1 KR 200475547 Y1 KR200475547 Y1 KR 200475547Y1 KR 2020130006334 U KR2020130006334 U KR 2020130006334U KR 20130006334 U KR20130006334 U KR 20130006334U KR 200475547 Y1 KR200475547 Y1 KR 200475547Y1
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KR
South Korea
Prior art keywords
housing
water
hot water
water tank
pressure
Prior art date
Application number
KR2020130006334U
Other languages
Korean (ko)
Inventor
김창건
Original Assignee
김창건
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김창건 filed Critical 김창건
Priority to KR2020130006334U priority Critical patent/KR200475547Y1/en
Application granted granted Critical
Publication of KR200475547Y1 publication Critical patent/KR200475547Y1/en

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Classifications

    • 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
    • F16K15/14—Check valves with flexible valve members
    • F16K15/16—Check valves with flexible valve members with tongue-shaped laminae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
    • F22D5/08—Controlling water feed or water level; Automatic water feeding or water-level regulators with float-actuated valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D13/00—Electric heating systems
    • F24D13/04—Electric heating systems using electric heating of heat-transfer fluid in separate units of the system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/08—Arrangements for drainage, venting or aerating
    • F24D19/082—Arrangements for drainage, venting or aerating for water heating systems
    • F24D19/088—Draining arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/16—Arrangements for water drainage 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/02—Fluid distribution means
    • F24D2220/0271—Valves

Abstract

The object of the present invention is to provide a hot water circulating apparatus which can discharge hot water heated by a heater and water vapor generated when heating water in a heater to a hot water circulating pipe disposed in a heating mat by the pressure of hot water, Not only the hot water circulating in the hot water mat but also the hot water circulating in the hot water mat can be quickly discharged to the water tank through the heater and the check valve and the failure frequency can be reduced and the maintenance / A check valve is provided.

Description

Check valve {CHECK VALVE}

The present invention relates to a check valve, and in particular, it is possible to discharge hot water heated in a heater and water vapor generated in heating a water in a heater to a hot water circulating pipe disposed in a heating mat, The present invention relates to a check valve capable of reducing the frequency of failures and reducing maintenance / repair costs.

The check valve widely used conventionally is disclosed in Registration No. 20-0468024 (issued on Jul. 17, 2013), in which the present applicant has filed a utility model registration application.

The check valve disclosed in the above-mentioned registration number 20-0468024 (announcement date: Jul. 17, 2013) has a plurality of projections formed integrally with the screw holes of the outer circumferential surface, A cylindrical housing in which an opening side is coupled to the water outlet formed in the water tank by the tightening screw; A through hole formed in a bottom surface of the housing to open water in the water tank to introduce water into the housing when the pressure in the water tank is greater than a pressure in the housing, The water in the water tank is blocked from being introduced into the housing when the pressure in the housing is higher than the pressure in the water tank as the water introduced into the water tank is heated and the hot water circulation pipe is clogged or bent, A first valve body provided inside the through-hole formed in the bottom surface of the housing so as to discharge hot water and air in the housing to the water tank when the counter-current flows back into the housing, The air introduced into the heater is introduced into the housing, and when the pressure in the housing is lower than the pressure in the water tank, the air is lowered by the self-load to collect the air collected in the housing through the air discharge hole And a second valve body for discharging the water into the water tank and closing the air discharge hole formed in the housing by the pressure in the housing if the pressure in the housing is higher than the pressure in the water tank.

The conventional check valve constructed as described above can easily discharge the air collected inside, can prevent the water in the water tank from overflowing, can circulate the hot water by the pressure of the hot water, It is possible to prevent the generation of noise at the time of circulating hot water and to prevent the occurrence of fire due to overheating since the motor is not used to circulate the hot water.

However, in the conventional check valve constructed as described above, the hot water heated by the heater is discharged to the hot water circulating pipe arranged in the heating mat, the water vapor generated when the water is heated in the heater is collected in the check valve, There is a problem that the structure is complicated because the water vapor discharged to the water tank is discharged to the outside again. Thus, there is a problem that the structure is complicated, the manufacturing cost can not be reduced due to the complicated structure, / Maintenance cost can not be reduced.

Accordingly, the present invention has been made to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide an apparatus and a method for manufacturing a water- And a check valve capable of discharging the hot water to the hot water circulating piping.

Another object of the present invention is to provide a simple check valve.

Another object of the present invention is to provide a check valve that can reduce manufacturing costs.

Another object of the present invention is to provide a check valve capable of rapidly discharging hot water circulating in a hot water mat to a hot water tank through a heater and a check valve.

Another object of the present invention is to provide a check valve capable of reducing the frequency of faults.

Another object of the present invention is to provide a check valve that can reduce maintenance costs.

In order to achieve the above object, the check valve of the present invention has a plurality of protrusions, each of which is formed with a threaded hole formed with an outer circumferential surface at a predetermined interval and which is fastened with a fastening screw, And a plurality of projections each having a screw hole engaging with a fastening screw at a predetermined interval are formed integrally with the check valve, A cylindrical housing in which an opening side is coupled to the water outlet formed in the water tank by the tightening screw; A through hole formed in a bottom surface of the housing to open water in the water tank to introduce water into the housing when the pressure in the water tank is greater than a pressure in the housing, And a second support member provided on the inner side of the through hole formed in the bottom surface of the housing so as to block introduction of water into the housing into the water tank when the pressure in the housing is greater than the pressure in the water tank, A valve member; When the hot water discharge pipe, the hot water circulation pipe or the circulating water feed pipe is blocked (closed), the water in the housing is heated as the heated water in the heater flows back to raise the pressure in the housing, And a second valve member that discharges into the water tank and bulges upward to open a hot water discharge through hole formed in the housing.

According to the check valve of the present invention, the hot water heated by the heater and the steam generated during the heating of the water in the heater can be discharged to the hot water circulating pipe disposed in the heating mat by the hot water pressure, Not only the manufacturing cost can be reduced, but also the hot water circulating in the hot water circulating pipe disposed in the hot water mat can be quickly discharged to the water tank through the heater and the check valve, and the frequency of failure can be reduced At the same time, maintenance and repair costs can be reduced.

1 is a perspective view schematically showing a check valve according to an embodiment of the present invention.
2 is a perspective view schematically showing a state in which a second valve member is disassembled in a check valve according to an embodiment of the present invention;
3 is a longitudinal sectional view schematically showing a state in which the through hole is closed by the first valve member and the hot water discharge through hole is closed by the second valve member in the check valve according to the embodiment of the present invention.
FIG. 4 is a view showing a check valve according to an embodiment of the present invention installed in a hot water circulation apparatus, in which a first valve member is opened, water in a water tank is supplied to a heater through a check valve, FIG. 3 is a longitudinal sectional view schematically showing a state in which the hot water discharge hole is closed; FIG.
FIG. 5 is a view illustrating a check valve according to an embodiment of the present invention installed in a hot water circulation apparatus. When the first valve member and the second valve member are closed and water supplied in the heater is being heated, Fig. 3 is a longitudinal sectional view schematically showing a state where the hose of the circulation device is supplied.
6, the hoses of the hot water circulating device are bent or clogged in FIG. 5, and the hot water is backwardly flowed into the check valve, and the pressure in the check valve is excessively increased. As a result, the second valve member is inflated downward, FIG. 2 is a longitudinal cross-sectional view schematically showing a state in which the gas is discharged to the outside.

A check valve according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 to 6, the check valve 20 according to one preferred embodiment of the present invention has a fastening screw 12a with a predetermined interval (or a predetermined angle, for example, 90 degrees) A plurality of protrusions 30a, 30b, 30c and 30d each formed with a plurality of screw holes 12b are integrally protruded and a side of the opening 12d inside the water discharge port 52 formed in the water tank 50 is connected with the fastening screw A cylindrical housing 12 which is connected and fixed to the housing 12a by means of a screw 12a; The water in the water tank 50 is introduced into the housing 12 when the pressure in the water tank 50 is greater than the pressure in the housing 12, which is provided inside the bottom surface 12e of the housing 12, (12f) formed on the bottom surface (12e) of the housing (12) so that the pressure in the housing (12) is larger than the pressure in the water tank (50) (12a) provided on the bottom surface (12e) of the housing (12) so as to block the introduction of water in the housing (12) into the housing (12) Member (13); The water in the housing 12 is heated as the heated water in the heater 40 flows back when the hot water discharge pipe 54, the hot water circulation pipe 55a or the circulating water introduction pipe 56 are plugged (closed) The pressure in the housing 12 is raised so that the heated water in the housing 12 is discharged into the water tank 50 and the hot water discharge hole 12c formed in the housing 12 is opened And a second valve member 16 bulging upward.

The first valve member 13 includes a support base 13a fitted into a through hole 12h formed in the bottom surface 12e of the housing 12 and a support base 13b integrally formed with the support base 13a, A valve body (12f) for interrupting the opening and closing of the through hole (12f) formed in the bottom surface (12e) of the housing (12) so as to intermit the injection of the water stored in the water tank (50) And a slot 13c formed in the upper portion of the valve body 13b so as to be adjacent to the support base 13a so as to easily open and close the valve body 13b.

The second valve member 16 includes an elastic plate 16a having both ends thereof fitted under the plates 31a and 31b respectively formed on the outer surfaces of the protrusions 30a and 30b, And a rectangular hollow tube 16b fitted in the center of the outer surface of the elastic plate 16a to tightly seal the formed hot water discharge through hole 12c.

In addition, the first valve member 13 is provided with a fixing pin 13d provided on the valve body 13b so that the opening and closing operations can be performed quickly. And a bail 13e provided on the fixing pin 13d.

Preferably, the elastic plate 16a is made of phosphor bronze, stainless steel or an elastic metal or a non-ferrous metal. The rectangular tube 16b may be made of one selected from the group consisting of Teflon, silicone, artificial rubber, Or a material obtained by extrusion molding or injection molding of two or more materials is preferably used.

In the figure, reference numeral 18 denotes a packing which is provided between the housing 12 and the inner circumferential surface of the water tank 50 to block leakage of water stored in the water tank 50. Reference numeral 50a denotes the upper part of the water tank 50 Reference numeral 51 denotes a first joint which couples the check valve 20 and the heater 40 and reference numeral 52a denotes a case in which the check valve 20 and the heater 40 are coupled by the first joint 51, 53 connects the heater 40 and the hot water discharge pipe 54 and circulates the hot water circulating pipe 55a of the hot water mat 55 to discharge the water having a low temperature into the water tank 50 A second joint for coupling the hot water circulation pipe 55a and the circulation water introduction pipe 56 to be introduced, 57 is a water level detection sensor for electronically detecting the water level in the water tank 50 and outputting it to a controller And 58 is an aluminum pipe disposed on the inner peripheral surface of the first joint 51.

Next, the operation of the check valve constructed as described above will be described.

The valve body 13b of the first valve member 13 that closes the through hole 12f formed in the bottom surface 12e of the housing 12 is pressed against the inner surface of the housing 12 The valve body 13b is separated from the through hole 12f and water stored in the water tank 50 is introduced into the housing 12. In this case,

In other words, the valve body 13b is opened by the pressure of the water in the water tank 50 so that the water in the water tank 50 is introduced into the housing 12 and the heater 40. Since the valve element 13b is formed in the bottom of the valve body 13b of the first valve member 13 so that the valve body 13b can be inserted into the through hole 12f formed in the bottom face 12e of the housing 12 Opening and closing are done flexibly.

The water level of the water introduced into the housing 12 of the check valve 20 of the present invention becomes equal to or higher than a certain level or the pressure of water in the housing 12 is equal to or higher than the pressure of water in the water tank 50 The valve element 13b of the first valve member 13 closes the through hole 12f formed in the bottom surface 12e.

The water vapor and the hot water generated as the water is heated by the heater 40 are heated by the hot water outlet 55a of the hot water mat 55 through the hot water outlet 53a and the hot water discharge pipe 54 of the second joint 53, The circulating water whose temperature has been warmed after heating the hot water circulation pipe 55a while circulating the circulation pipe 55a is circulated through the circulation water discharge pipe 53b and the circulation water introduction pipe 56 of the second joint 53, (50).

When the water introduced into the housing 12 is supplied to the heater 40 and heated, the hot water outlet 53a of the second joint 53, the hot water discharge pipe 54, the hot water mat 55, Either the hot water circulating pipe 55a disposed in the second joint 53 or the circulating water discharging pipe 53b or the circulating water introducing pipe 56 of the second joint 53 is blocked and the hot water heated in the heater 40 is not circulated The hot water and the air bubbles (or water vapor) flow back into the housing 12 of the check valve 20 according to the present invention via the heater 40. When the second valve member 16 bulges, When the heater 40 is excessively heated, the bimetal (not shown) is opened and the heater 40 is applied to the heater 40 Power is cut off to prevent fire.

The valve body 13b of the first valve member 13 is provided with a bail 13e on the fixing pin 13d so that the opening and closing operation of the valve body 13b can be performed quickly.

Accordingly, the hot water discharge through hole 12c (see FIG. 1) which has been watertightly closed (sealed) by the elastic tube 16a of the second valve member 16 and the hollow tube 16b surrounding the outer surface of the elastic plate 16a And the hot water introduced into the housing 12 is discharged into the water tank 50. When the temperature of the housing 12 drops, the elastic plate 18a of the second valve member 16 and the elastic plate 18a of the second valve member 16, The hot water discharge through hole 12c is watertightly closed by the hollow tube 18b surrounding the outer surface of the hot water discharge hole 18a.

Accordingly, the present invention can discharge the hot water heated in the heater and the steam generated in heating the water in the heater to the hot water circulation pipe externally disposed in the heating mat by the hot water pressure, and the structure is simple and the manufacturing cost is reduced Not only the hot water circulating in the hot water mat but also the hot water circulating in the hot water mat can be quickly discharged to the water tank through the heater and the check valve and the failure frequency can be reduced and the maintenance / can do.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. For example, It is to be understood that the invention is not limited to the above-described embodiments, but various modifications and changes may be made thereto.

12: housing 12a: fastening screw
12b: screw hole 12c: hot water discharge through
12d: opening 12e: bottom surface
12f: through hole 12h: through hole
13: first valve member 13a:
13b: valve body 13c: long hole
13d: Fixing pin 13e: Bore
16: second valve member 16a: elastic plate
16b: hollow tube 18: packing
20: Check valve 30a, 30b, 30c, 30d:
40: heater 50: water tank
50a: upper opening 51: first joint
52: Water outlet 52a: Clamper
53: second joint 55: hot water mat
55a: hot water circulation pipe 56: circulation water introduction pipe
57: Water level detection sensor 58: Aluminum piping
54: hot water discharge piping

Claims (4)

A plurality of protrusions 30a, 30b, 30c and 30d, each of which is formed with a screw hole 12b to which a fastening screw 12a is fitted, is formed integrally with the water tank 50 at a predetermined interval, And a cylindrical housing (12) in which an opening (12d) side is coupled with the fastening screw (12a) inside the housing (52)
The water in the water tank 50 is introduced into the housing 12 when the pressure in the water tank 50 is greater than the pressure in the housing 12, which is provided inside the bottom surface 12e of the housing 12, (12f) formed on the bottom surface (12e) of the housing (12) so that the pressure in the housing (12) is larger than the pressure in the water tank (50) (12a) provided on the bottom surface (12e) of the housing (12) so as to block the introduction of water in the housing (12) into the housing (12) Member (13);
The water in the housing 12 is heated as the heated water in the heater 40 flows back when the hot water discharge pipe 54, the hot water circulation pipe 55a or the circulating water introduction pipe 56 are plugged (closed) The pressure in the housing 12 is raised so that the heated water in the housing 12 is discharged into the water tank 50 and the hot water discharge hole 12c formed in the housing 12 is opened And a second valve member (16) bulging upwardly.
The apparatus according to claim 1, wherein the first valve member (13) comprises a support base (13a) fitted into a through hole (12h) formed in a bottom surface (12e) of the housing (12) (12f) formed on the bottom surface (12e) of the housing (12) so as to intermit the injection of the water stored in the water tank (50) into the housing (12) And a valve body 13b formed adjacent to the support base 13a for easily interrupting the opening and closing of the valve body 13b and having an elongated hole 13c formed in the upper portion of the valve body 13b, ) Of the check valve (10).
The valve according to claim 1, wherein the second valve member (16) comprises: an elastic plate (16a) having both ends thereof fitted under the plates (31a, 31b) respectively formed on the outer surfaces of the protrusions (30a, 30b) And a rectangular hollow tube body (16b) fitted in the center of the outer surface of the elastic plate (16a) to tightly seal the hot water discharge through hole (12c) formed in the housing (12) .
3. The apparatus according to claim 2, wherein the first valve member (13) is provided with a fixing pin (13d) provided on the valve body (13b) so that opening and closing operations can be performed quickly; And a bail (13e) provided on the fixing pin (13d).
KR2020130006334U 2013-07-30 2013-07-30 Check valve KR200475547Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020130006334U KR200475547Y1 (en) 2013-07-30 2013-07-30 Check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020130006334U KR200475547Y1 (en) 2013-07-30 2013-07-30 Check valve

Publications (1)

Publication Number Publication Date
KR200475547Y1 true KR200475547Y1 (en) 2014-12-09

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ID=53578311

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2020130006334U KR200475547Y1 (en) 2013-07-30 2013-07-30 Check valve

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KR (1) KR200475547Y1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980018332U (en) * 1996-09-25 1998-07-06 구자홍 Check Valve Structure of Scroll Compressor
KR101239961B1 (en) * 2012-06-11 2013-03-06 (주)한미홈케어 Boiler for a hot-water heating mat
KR200468024Y1 (en) * 2011-05-06 2013-07-17 김창건 Check valve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980018332U (en) * 1996-09-25 1998-07-06 구자홍 Check Valve Structure of Scroll Compressor
KR200468024Y1 (en) * 2011-05-06 2013-07-17 김창건 Check valve
KR101239961B1 (en) * 2012-06-11 2013-03-06 (주)한미홈케어 Boiler for a hot-water heating mat

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