KR20060028591A - A heating water returning joint for a closed type boiler - Google Patents

A heating water returning joint for a closed type boiler Download PDF

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Publication number
KR20060028591A
KR20060028591A KR1020040077611A KR20040077611A KR20060028591A KR 20060028591 A KR20060028591 A KR 20060028591A KR 1020040077611 A KR1020040077611 A KR 1020040077611A KR 20040077611 A KR20040077611 A KR 20040077611A KR 20060028591 A KR20060028591 A KR 20060028591A
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South Korea
Prior art keywords
heating
filter
heating water
return joint
boiler
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KR1020040077611A
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Korean (ko)
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KR100590480B1 (en
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허정선
이현식
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주식회사 롯데기공
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    • 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
    • F24H9/0005—Details for water heaters
    • F24H9/0042—Cleaning 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
    • F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
    • 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
    • F24H9/12—Arrangements for connecting heaters to circulation pipes
    • F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters

Abstract

본 발명은 보일러용 난방환수조인트에 관한 것으로, 더욱 상세하게는 난방환수조인트에 삽입되는 난방수 필터와 안전밸브가 동일한 위치에 삽입되어 고정되도록 한 밀폐형 보일러용 난방환수조인트에 관한 것으로써, 밀폐형 보일러의 난방배관을 통해 흐르면서 온도가 저하된 난방수가 다시 보일러의 내부로 공급되도록 몸체의 외측에 난방수의 유입구와 배출구가 형성되고, 상기 난방수의 이물질이 걸러지도록 내부에 난방수 필터가 고정되며, 일측으로 안전밸브가 장착되는 난방환수조인트에 있어서; 상기 몸체의 일측에 필터삽입구가 형성되되, 상기 필터삽입구의 내측으로 상기 난방수 필터가 삽입되고, 상기 안전밸브는 상기 필터삽입구에 삽입 고정된다.The present invention relates to a heating return joint for a boiler, and more particularly, to a heating return joint for a hermetic boiler, in which a heating water filter and a safety valve inserted into a heating return joint are inserted and fixed at the same position. Inlet and outlet of the heating water is formed on the outside of the body so that the heating water is lowered while flowing through the heating pipe of the heating is supplied to the inside of the boiler again, the heating water filter is fixed to filter the foreign matter of the heating water, In the heating return joint is equipped with a safety valve on one side; A filter insertion hole is formed at one side of the body, the heating water filter is inserted into the filter insertion hole, and the safety valve is inserted into and fixed to the filter insertion hole.

이에 따라, 난방환수조인트의 구조가 더욱 간결해져 난방환수조인트의 제작이 간편해지고, 난방수 필터를 삽입하고 기밀을 유지하는 캡이 사라져 조립이 더욱 간편할 뿐만 아니라, 난방환수조인트의 외부로 형성되는 각종 연결공이 최소화되어 난방수의 누출을 더욱 효과적으로 방지하고, 안전밸브 대신에 캡을 체결함으로써, 개방형보일러에도 동일한 난방환수조인트를 사용할 수 있게되어 개방형과 밀폐형 보일러의 난방환수조인트를 동일한 부품으로 사용할 수 있게 됨으로써, 보일러의 제작이 더욱 편리해지는 효과를 가지게 된다.Accordingly, the structure of the heating return joint is more concise, so that the manufacturing of the heating return joint is simplified, and the cap for inserting the heating water filter and maintaining the airtightness disappears, and the assembly is more simple, and is formed outside the heating return joint. By minimizing the connection holes, the leakage of water is more effectively prevented, and by replacing the safety valve, the cap can be used instead of the safety valve, so that the same heating return joint can be used for open boilers. By doing so, the production of the boiler becomes more convenient.

Description

밀폐형 보일러용 난방환수조인트{a heating water returning joint for a closed type boiler}Heating return joint for a closed boiler {a heating water returning joint for a closed type boiler}

도 1은 본 발명의 일 실시예를 보인 분해사시도.1 is an exploded perspective view showing an embodiment of the present invention.

도 2는 도 1의 결합상태를 보인 종단면도.Figure 2 is a longitudinal cross-sectional view showing a coupling state of FIG.

도 3은 본 발명의 다른 사용상태를 보인 분해사시도.Figure 3 is an exploded perspective view showing another use state of the present invention.

도 4는 도 3의 종단면도.4 is a longitudinal cross-sectional view of FIG.

도 5는 밀폐형 보일러의 일 예를 보인 정면도.5 is a front view showing an example of the hermetic boiler.

도 6은 종래 밀폐형 보일러용 난방환수조인트의 일 예를 보인 사시도.6 is a perspective view showing an example of a heating return joint for a conventional hermetic boiler.

※ 도면의 주요 부분에 대한 부호의 설명※ Explanation of codes for main parts of drawing

10 : 난방환수조인트10: heating return joint

11 : 필터삽입구 12 : 유입구   11 filter insertion hole 12 inlet

13 : 배출구 14 : 플랜지   13: outlet 14: flange

20 : 난방수 필터20: heating water filter

21 : 유입부 22 : 거름망   21 inlet 22: sieve

30 : 안전밸브30: safety valve

31 : 작동레버 32 : 고압배출구   31: operating lever 32: high pressure outlet

33 : 고정부 34 : 필터고정홈   33: fixing part 34: filter fixing groove

40 : 캡40: cap

본 발명은 보일러용 난방환수조인트에 관한 것으로, 더욱 상세하게는 난방환수조인트에 삽입되는 난방수 필터와 안전밸브가 동일한 위치에 삽입되어 고정되도록 한 밀폐형 보일러용 난방환수조인트에 관한 것이다.The present invention relates to a heating return joint for a boiler, and more particularly, to a heating return joint for a hermetic boiler, in which a heating water filter and a safety valve inserted into the heating return joint are inserted and fixed at the same position.

일반적으로, 가정에는 난방 및 온수를 제공받을 수단의 일환으로 가스보일러 및 기름보일러 등의 여러 형태의 보일러가 설치되어지고 있는데, 이러한 보일러는 연료가 연소되는 연소열을 이용하여 물을 가열하고, 가열된 물을 난방에 이용하거나, 온수로써 사용하도록 하고 있다.In general, homes are equipped with various types of boilers, such as gas boilers and oil boilers, as a means of receiving heating and hot water. These boilers use water to burn water to heat water, and Water is used for heating or hot water.

특히, 보일러의 내부에는 연소실과 직접 연결된 열교환기가 구비되고, 상기 열교환기로 난방수를 공급하는 물탱크가 구비되는데, 이러한 물탱크의 형식에 따라 개방형과 밀폐형으로 구분되어지고 있다.In particular, the inside of the boiler is provided with a heat exchanger directly connected to the combustion chamber, the water tank for supplying heating water to the heat exchanger is provided, according to the type of the water tank is classified into an open type and a closed type.

상기와 같은 개방형 보일러는 도 4에서 도시된 것과 같이 보일러의 케이스(400)의 내부에 질소가스가 충진되고 온도상승에 의해 부피가 증가된 난방수를 저장하는 팽창탱크(500)가 구비되고, 상술한 난방수가 보일러 및 건물 내의 배관을 타고 흐르도록 하는 순환모터(600)를 통해 열교환기(700)로 공급되며, 열교환기(700)에서 가열된 난방수는 실내의 배관을 따라 흐르면서 난방 기능을 수행한 후에 다시 보일러로 복귀하게 된다.The open-type boiler as described above is provided with an expansion tank 500 for storing heating water filled with nitrogen gas and increasing in volume due to temperature rise in the case 400 of the boiler as shown in FIG. One heating water is supplied to the heat exchanger 700 through the circulation motor 600 to flow through the piping in the boiler and the building, the heating water heated in the heat exchanger 700 performs a heating function while flowing along the piping in the room And then back to the boiler.

특히, 상기 난방수는 배관을 통해 흐르는 과정에서 배관의 부식된 조각이나 물이끼 등의 각종 이물질이 난방수에 섞이는 경우가 발생하는데, 상기 이물질은 보일러의 배관을 막아 보일러의 고장의 원인이 되거나, 작동 효율 저하의 한 원인이 됨에 따라 보일러의 일측에 도 6에서 도시된 것과 같은 난방환수조인트(100)를 고정하고, 상기 난방환수조인트의 내부에 난방수 필터(미도시)를 삽입하여 난방수에 섞인 이물질이 걸러지도록 하고 있다.In particular, the heating water is a case where various foreign substances such as corroded pieces of the pipe or water moss mixed with the heating water in the process of flowing through the pipe, the foreign matter blocking the piping of the boiler causes a failure of the boiler, or operation As a cause of the deterioration of efficiency, the heating return joint 100 as shown in FIG. 6 is fixed to one side of the boiler, and a heating water filter (not shown) is inserted into the heating return joint and mixed with heating water. Foreign material is being filtered out.

상기한 난방환수조인트(100)는 일측에 필터가 삽입되는 필터삽입구(12)가 형성되고, 필터삽입구를 폐쇄하는 캡(300)이 장착되며, 하부측으로는 난방수가 유입되는 유입구(130)가 형성되고, 상부측으로는 난방수가 배출되는 배출구(140)가 형성되며, 상기 배출구의 측면으로 난방환수조인트가 보일러에 체결되도록 하는 플랜지(150)를 형성하여 난방수가 난방환수조인트를 통과하면서 이물질이 걸러지도록 하고 있다.The heating return joint 100 has a filter inserting opening 12 is formed on one side, the filter is inserted into the cap 300 for closing the filter inserting opening, the lower side is formed with an inlet 130 through which the heating water is introduced. The upper side is formed with an outlet 140 through which the heating water is discharged, and a flange 150 is formed on the side of the outlet to allow the heating return joint to be fastened to the boiler so that foreign matter is filtered while the heating water passes through the heating return joint. Doing.

뿐만 아니라, 밀폐형 보일러의 경우에는 보일러의 온도가 과도하게 상승하거나, 갑자기 난방수의 압력이 상승해 보일러가 파손되는 경우가 발생하는데, 이러한 문제점을 방지하고자, 상기 난방환수조인트의 일측에 고압배출구(110)를 형성하고, 상기 고압배출구(110)에 안전밸브(200)를 고정하여 난방수 또는 가스가 배출되도록 하고 있다.In addition, in the case of the hermetic boiler, the boiler temperature is excessively increased or the pressure of the heating water suddenly rises, which causes the boiler to be broken. In order to prevent such a problem, a high-pressure outlet at one side of the heating return joint ( A 110 is formed, and the safety valve 200 is fixed to the high pressure outlet 110 so that the heating water or the gas is discharged.

그러나, 종래의 난방환수조인트는 고압배출구와 필터삽입구, 유입구와 배출구가 각각 별도로 분리되어 형성됨에 따라 그 구조가 복잡하고, 제작이 힘든 문제점이 있었을 뿐만 아니라, 난방환수조인트에 소요되는 부품의 개수가 증가하고, 다 수의 부품이 장착됨에 따라 난방수가 새는 등의 문제점이 발생하였다.However, in the conventional heating return joint, the high pressure outlet port, the filter insertion port, the inlet port and the outlet port are separately formed, and thus the structure thereof is complicated and difficult to manufacture, and the number of parts required for the heating return joint is increased. Increasingly, as a large number of parts are installed, problems such as leaking of heating water occur.

이에, 본 발명은 상기와 같은 종래의 제반 문제점을 해소하기 위하여 안출된 것으로, 그 목적은 난방환수조인트에 삽입되는 난방수 필터와 안전밸브가 동일한 위치에 삽입되어 고정되도록 함에 있다.Accordingly, the present invention has been made in order to solve the conventional problems as described above, the object is to ensure that the heating water filter and the safety valve inserted in the heating return joint is inserted and fixed in the same position.

또한, 본 발명의 목적은 난방수 필터가 안전밸브와 일체로 결합되도록 함에 있다.In addition, an object of the present invention is to allow the heating water filter to be integrally combined with the safety valve.

상기와 같은 목적을 달성하기 위하여, 본 발명은 밀폐형 보일러의 난방배관을 통해 흐르면서 온도가 저하된 난방수가 다시 보일러의 내부로 공급되도록 몸체의 외측에 난방수의 유입구와 배출구가 형성되고, 상기 난방수의 이물질이 걸러지도록 내부에 난방수 필터가 고정되며, 일측으로 안전밸브가 장착되는 난방환수조인트에 있어서; 상기 몸체의 일측에 필터삽입구가 형성되되, 상기 필터삽입구의 내측으로 상기 난방수 필터가 삽입되고, 상기 안전밸브는 상기 필터삽입구에 삽입 고정되는 것을 특징으로 한다.In order to achieve the above object, the present invention is the inlet and outlet of the heating water is formed on the outer side of the body so that the heating water is lowered while flowing through the heating pipe of the hermetic boiler is supplied back into the boiler, the heating water In the heating return joint is fixed to the heating water filter to filter foreign matters, the safety valve is mounted to one side; A filter insertion hole is formed at one side of the body, wherein the heating water filter is inserted into the filter insertion hole, and the safety valve is inserted into and fixed to the filter insertion hole.

또한, 상기 필터삽입구에 삽입되는 안전밸브의 끝단에 필터고정홈이 형성된 것을 특징으로 한다.In addition, the filter fixing groove is formed at the end of the safety valve inserted into the filter insert.

이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참고로 하여 더욱 상세하게 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

도 1은 본 발명의 일 실시예를 보인 분해사시도이고, 도 2는 도 1의 결합상 태를 보인 종단면도써, 도시된 바와 같이 본 발명은 난방환수조인트(10)의 몸체의 일측에 난방수 필터(20)와 안전밸브(30)가 삽입되되, 동일한 필터삽입구(11)에 난방수 필터(20)와 안전밸브(30)가 동시에 삽입되어 고정되도록 구성된다.1 is an exploded perspective view showing an embodiment of the present invention, Figure 2 is a longitudinal cross-sectional view showing the coupling state of Figure 1, the present invention as shown the heating water on one side of the body of the heating return joint (10) The filter 20 and the safety valve 30 are inserted, and the heating water filter 20 and the safety valve 30 are simultaneously inserted into and fixed to the same filter insert 11.

상기 난방환수조인트(10)는, 몸체의 일측으로 난방수에 섞인 각종 이물질을 걸러내는 난방수 필터(20)가 삽입되어 고정되는 필터삽입구(11)가 형성되고, 하부측으로는 몸체의 내부로 난방수가 유입되는 유입구(12)가 형성되며, 상부측으로는 상기 난방수 필터(20)에 의해 이물질이 걸러진 난방수가 보일러의 내부로 다시 공급되도록 하는 배출구(13)가 형성된다.The heating return joint 10 has a filter insertion opening 11 into which a heating water filter 20 for filtering various foreign substances mixed in the heating water is inserted into one side of the body and fixed thereto, and the lower side of the heating return joint 10 is heated inside the body. An inlet 12 through which water is introduced is formed, and an outlet 13 is formed at the upper side to supply the heating water filtered by the heating water filter 20 back into the boiler.

또한, 상기 배출구(13)의 외측으로는 플랜지(14)를 형성하여 몸체가 보일러의 케이스에 견고히 결합되도록 함으로써, 유입구(12)와 배출구(13)에 연결되는 난방수 배관이 기밀을 유지하면서 견고하게 몸체에 고정되도록 한다.In addition, by forming a flange 14 on the outside of the outlet 13 so that the body is firmly coupled to the case of the boiler, the heating water pipe connected to the inlet 12 and the outlet 13 is tight while maintaining airtightness. Secure it to the body.

상기 난방수 필터(20)는 상술한 필터삽입구(11)의 내부에 삽입되어 난방수에 섞여 흐르는 각종 이물질을 걸러내는 것으로써, 양단이 개방된 원통형으로 형성되고, 외주면에 각각 이물질이 포함된 난방수가 유입되는 유입부(21)와, 난방수의 이물질을 내부에서 걸러내는 거름망(22)으로 형성된다.The heating water filter 20 is inserted into the above-described filter insertion opening 11 to filter out various foreign matters flowing into the heating water, and both ends are formed in an open cylindrical shape, each of which includes foreign matters on the outer circumferential surface thereof. The inlet part 21 into which water flows is formed, and the strainer 22 which filters the foreign material of heating water from inside.

또한, 상기 유입부(21)와 거름망(22)은 상술한 유입구(12)와 배출구(13)에 각각 대응되게 형성하여 난방수 필터(20)의 내부로 난방수의 유입과 배출 및 필터링 작용이 원활하게 이루어지도록 한다.In addition, the inlet portion 21 and the strainer 22 is formed to correspond to the inlet 12 and the outlet 13, respectively, the inlet and discharge of the heating water into the heating water filter 20 and the filtering and Make it smooth.

상기 안전밸브(30)는, 밀폐형 보일러의 난방수의 압력이 과도하게 상승할 경우에 난방수 및 난방수에 포함된 각종 가스를 배출하는 것으로써, 외측 끝단에 난 방수와 가스를 배출하도록 하는 작동레버(31)가 구비되고, 외측면으로는 고압의 난방수나 가스가 배출되는 고압배출구(32)가 형성되며, 일측으로는 난방환수조인트(10)의 내부와 내통되면서 상술한 필터삽입구(11)에 삽입되어 고정되는 고정부(33)가 형성된다.The safety valve 30, by discharging the various types of gas included in the heating water and the heating water when the pressure of the heating water of the hermetic boiler excessively rises, the operation to discharge the waterproof and gas at the outer end The lever 31 is provided, and the outer surface is formed with a high pressure outlet 32 through which high pressure heating water or gas is discharged, and on one side, the filter insertion hole 11 is introduced into the inside of the heating return joint 10. The fixing part 33 is inserted into and fixed to it.

또한, 상기 고정부(33)의 내측으로는 상술한 난방수 필터(20)가 내측으로 삽입되어 고정되는 필터고정홈(34)을 형성하여 난방수 필터(20)와 안전밸브(30)가 일체로 결합되도록 함으로써, 필터삽입구(11)에서 안전밸브(30)를 빼내는 것과 동시에 난방수 필터(20)가 필터삽입구(11)로 빠져나올 뿐만 아니라, 난방수필터가 난방환수조인트(10)의 내부에서 이리저리 움직이는 것을 방지하도록 하는 것이 바람직하다.In addition, the water filter 20 and the safety valve 30 are integrally formed by forming the filter fixing groove 34 into which the above-described heating water filter 20 is inserted and fixed inside the fixing part 33. By being coupled to the heating valve, the safety valve 30 is removed from the filter inlet 11 and the heating water filter 20 not only comes out of the filter inlet 11, but also the heating water filter is inside the heating return joint 10. It is desirable to prevent them from moving around.

이에 따라, 필터삽입구(11)에 난방수 필터(20)가 삽입되고 안전밸브(30)가 고정된 난방환수조인트(10)를 플랜지(14)를 이용하여 보일러의 케이스에 고정한 후에, 유입구(12)와 배출구(13)에 난방수의 배관을 연결함으로써, 난방수가 난방환수조인트(10)를 통과하면서 내부에 섞인 이물질이 걸러질 뿐만 아니라, 난방수의 압력이 과도하게 상승할 경우에는 안전밸브(30)를 통해 간편하게 그 압력을 외부로 배출시킬 수 있게 되는 것이다.Accordingly, after the heating water filter 20 is inserted into the filter insertion opening 11 and the safety valve 30 is fixed to the case of the boiler using the flange 14, the inlet 12 is fixed. By connecting the pipe of the heating water to the outlet 13 and the heating water, the foreign matter mixed inside as the heating water passes through the heating return joint 10, as well as the safety valve in case the pressure of the heating water is excessively increased. 30) the pressure can be easily discharged to the outside.

또한, 난방수 필터(20)를 청소하거나 교체할 경우에는 안전밸브(30)를 필터삽입구(11)에서 빼내면 난방수 필터(20) 또한 필터삽입구(11)를 통해 빠져나오게 되어 청소와 교체가 간편해지게 되는 것이다.In addition, when the heating water filter 20 is cleaned or replaced, the safety valve 30 is pulled out from the filter inlet 11 so that the heating water filter 20 also exits through the filter inlet 11 so that cleaning and replacement is possible. It will be simple.

더불어, 상기 안전밸브(30)가 삽입된 필터삽입구(11)의 외측면에는 볼트 등 을 체결하여 안전밸브(30)가 난방환수조인트(10)에 견고히 고정되도록 함으로써, 난방환수조인트(10)의 내부에 높은 압력이 발생하더라도 안전밸브(30)가 이탈하지 않도록 하는 것도 무방하다.In addition, the safety valve 30 is firmly fixed to the heating return joint 10 by fastening a bolt or the like to the outer surface of the filter insertion opening 11 into which the safety valve 30 is inserted, so that the heating return joint 10 of the heating return joint 10 is secured. Even if a high pressure is generated therein, the safety valve 30 may not be separated.

도 3은 본 발명의 다른 사용상태를 보인 분해사시도이고, 도 4는 도 3의 종단면도로써, 상술한 바와 같이 구성된 난방환수조인트(10)는 안전밸브(30)를 제거하고, 필터삽입구(11)에 캡(40)을 삽입하여 고정함으로써, 동일한 구성으로 안전밸브(30)가 사용되지 않는 개방형 보일러에도 사용이 가능하게 된다.Figure 3 is an exploded perspective view showing another use state of the present invention, Figure 4 is a longitudinal cross-sectional view of Figure 3, the heating return joint 10 configured as described above removes the safety valve 30, the filter insert 11 By inserting and fixing the cap 40 in the), it is possible to use in an open boiler in which the safety valve 30 is not used in the same configuration.

일반적으로 난방수의 온도 상승에 따른 압력을 외부에 개방되게 노출되는 물탱크에서 배출하는 개방형 보일러의 특성으로 인해 개방형 보일러에는 안전밸브(30)를 사용하지 않게 되는데, 상기와 같이 형성된 난방환수조인트(10)의 경우에는 필터삽입구(11)에 안전밸브(30) 대신에 캡(40)을 삽입함으로써 간편하게 개방형 보일러에도 사용할 수 있게 되는 것이다.In general, the safety valve 30 is not used in the open boiler due to the characteristic of the open boiler discharging the pressure caused by the temperature rise of the heating water from the open water tank, the heating return joint formed as described above ( In the case of 10), by inserting the cap 40 in place of the safety valve 30 in the filter insertion port 11, it can be easily used in an open boiler.

상술한 바와 같이, 본 발명은 필터삽입구의 내부로 난방수 필터가 삽입되고, 필터삽입구에 안전밸브 삽입 고정되도록 함으로써, 난방환수조인트의 구조가 더욱 간결해져 난방환수조인트의 제작이 간편해지고, 난방수 필터를 삽입하고 기밀을 유지하는 캡이 사라져 조립이 더욱 간편할 뿐만 아니라, 난방환수조인트의 외부로 형성되는 각종 연결공이 최소화되어 난방수의 누출을 더욱 효과적으로 방지하고, 안전밸브 대신에 캡을 체결함으로써, 개방형보일러에도 동일한 난방환수조인트를 사용할 수 있게되어 개방형과 밀폐형 보일러의 난방환수조인트를 동일한 부품으로 사 용할 수 있게 됨으로써, 보일러의 제작이 더욱 편리해지는 효과를 가지게 된다.As described above, according to the present invention, the heating water filter is inserted into the filter insertion hole, and the safety valve is inserted and fixed to the filter insertion hole, thereby making the structure of the heating return joint simpler, thereby simplifying the production of the heating return joint and heating water. As the cap inserting the filter and maintaining the airtightness disappears, assembly is not only easier, but also various connection holes formed outside the heating return joint are minimized to prevent leakage of the heating water more effectively, and by tightening the cap instead of the safety valve. In addition, the same heating return joint can be used in the open boiler, so that the heating return joint of the open type and the closed boiler can be used as the same part, thereby making the boiler more convenient.

또한, 본 발명은 안전밸브에 필터삽입홈을 형성하여 난방수 필터가 안전밸브와 일체로 결합되도록 함으로써, 난방환수조인트의 내부에서 난방수 필터를 분리하여 내부의 이물질을 청소하거나 난방수 필터를 교체하는 작업이 더욱 편리해지는 효과를 가지게 된다.In addition, the present invention by forming a filter insertion groove in the safety valve so that the heating water filter is integrally combined with the safety valve, by separating the heating water filter in the interior of the heating return joint to clean the foreign matter inside or replace the heating water filter The work will be more convenient.

Claims (2)

밀폐형 보일러의 난방배관을 통해 흐르면서 온도가 저하된 난방수가 다시 보일러의 내부로 공급되도록 몸체의 외측에 난방수의 유입구(12)와 배출구(13)가 형성되고, 상기 난방수의 이물질이 걸러지도록 내부에 난방수 필터(20)가 고정되며, 일측으로 안전밸브(30)가 장착되는 난방환수조인트에 있어서;The inlet 12 and the outlet 13 of the heating water are formed on the outside of the body so that the heated water flowing down through the heating pipe of the hermetic boiler is supplied back into the boiler, and the foreign matter of the heating water is filtered out. In the heating return joint is fixed to the heating water filter 20, the safety valve 30 is mounted to one side; 상기 몸체의 일측에 필터삽입구(11)가 형성되되, 상기 필터삽입구(11)의 내측으로 상기 난방수 필터(20)가 삽입되고, 상기 안전밸브(30)는 상기 필터삽입구(11)에 삽입 고정되는 것을 특징으로 하는 밀폐형 보일러용 난방환수조인트.A filter insertion hole 11 is formed at one side of the body, and the heating water filter 20 is inserted into the filter insertion hole 11, and the safety valve 30 is inserted into and fixed to the filter insertion hole 11. Heating return joint for the hermetic boiler characterized in that it is. 제 1항에 있어서;The method of claim 1; 상기 필터삽입구(11)에 삽입되는 안전밸브(30)의 끝단에 필터고정홈(34)이 형성된 것을 특징으로 하는 밀폐형 보일러용 난방환수조인트.The heating return joint for the hermetic boiler, characterized in that the filter fixing groove 34 is formed at the end of the safety valve (30) inserted into the filter insertion opening (11).
KR1020040077611A 2004-09-25 2004-09-25 a heating water returning joint for a closed type boiler KR100590480B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200465357Y1 (en) * 2010-12-29 2013-02-14 롯데알미늄 주식회사 A circulation water filter for a boiler with iron removal
KR101277853B1 (en) * 2010-12-29 2013-06-21 홍성화 A valve apparatus of hot-water distributor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101661182B1 (en) * 2015-03-31 2016-10-05 린나이코리아 주식회사 Multiple supplying connector of direct water of boiler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200465357Y1 (en) * 2010-12-29 2013-02-14 롯데알미늄 주식회사 A circulation water filter for a boiler with iron removal
KR101277853B1 (en) * 2010-12-29 2013-06-21 홍성화 A valve apparatus of hot-water distributor

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