KR101231736B1 - Combining apparatus of two different sockets for resin valve - Google Patents

Combining apparatus of two different sockets for resin valve Download PDF

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Publication number
KR101231736B1
KR101231736B1 KR1020110068274A KR20110068274A KR101231736B1 KR 101231736 B1 KR101231736 B1 KR 101231736B1 KR 1020110068274 A KR1020110068274 A KR 1020110068274A KR 20110068274 A KR20110068274 A KR 20110068274A KR 101231736 B1 KR101231736 B1 KR 101231736B1
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South Korea
Prior art keywords
socket
resin valve
synthetic resin
fastening
caught
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KR1020110068274A
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Korean (ko)
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KR20130007756A (en
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권영화
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권영화
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Priority to KR1020110068274A priority Critical patent/KR101231736B1/en
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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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00—Joints with sleeve or socket
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/005—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts comprising locking means for the threaded member
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/24—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with parts screwed directly on or into the hose
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00—Joints with fluid cut-off means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)
  • Domestic Plumbing Installations (AREA)

Abstract

본 발명은 합성수지재질 밸브의 소켓부에 비철금속 재질의 보조소켓을 결합방식으로 체결하여 급,배수관을 견고하게 체결하면서 밀폐성을 높이도록 하는 합성수지밸브의 이종소켓 체결장치로서,
소켓부(20)의 수용홈(21)에 끼워지면서 외면 둘레에 사방으로 형성한 걸림홈(22)에 걸려지도록 외면에 걸림돌기(31)를 형성하고 내측면에 오링(40)을 부착하는 내입소켓(30)을 구비함과; 상기 내입소켓(30)에 형성된 걸림돌기(31)에 걸려지도록 내 측면에 걸림홈(51)을 형성하면서 소켓부(20)의 외면 둘레에 밀착되도록 하는 보강링(50)을 구비함을 특징으로 한다.The present invention is a heterogeneous socket fastening device of a synthetic resin valve to enhance the sealing while fastening the supply and drain pipes firmly by fastening the auxiliary socket of the non-ferrous metal to the socket portion of the synthetic resin valve,
An inner mouth which forms an engaging protrusion 31 on the outer surface and attaches the O-ring 40 to the inner surface so as to be hooked into the receiving groove 21 of the socket portion 20 to be caught by the locking groove 22 formed in all directions around the outer surface. Having a socket (30); It characterized in that it comprises a reinforcing ring 50 to be in close contact with the outer circumference of the socket portion 20 while forming a locking groove 51 on the inner side to be caught by the locking projection 31 formed in the inner socket 30 do.

Description

합성수지 밸브의 이종소켓 체결장치{Combining apparatus of two different sockets for resin valve}Combining apparatus of two different sockets for resin valve

본 발명은 합성수지 밸브의 소켓 체결장치에 관한 것으로, 좀 더 상세하게는 합성수지밸브의 소켓에 금속 재질의 소켓으로 결합되도록 하여 결합성 및 밀폐성을 높이도록 하기 위한 합성수지 밸브의 이종소켓 체결장치에 관한 것이다.
The present invention relates to a socket fastening device of a synthetic resin valve, and more particularly, to a hetero socket fastening device of a synthetic resin valve to be coupled to the socket of the synthetic resin valve to the metal socket to increase the bondability and sealing. .

일반적으로 건물에 욕실, 주방, 다용도실 등에 냉온수관이 분배기를 통해 각각 분배되도록 연결하는데 각 관을 연결하면서 단속할 수 있도록 밸브소켓 등으로 연결하고 있는바, 이러한 밸브 소켓은 내부식성을 갖으면서 누수를 막기 위하여 강하게 조여도 파손되지 않고 견고히 조립할 수 있도록 황동재질 등 철금속 또는 비철금속 재질로 적용하고 있다.Generally, the hot and cold water pipes are distributed to the bathrooms, kitchens, and multi-use rooms in the building so that the hot and cold water pipes are distributed through the distributors. The pipes are connected with valve sockets to control the pipes. It is applied to ferrous metal or nonferrous metal such as brass so that it can be assembled firmly without being damaged even if it is tightened to prevent it.

그러나 금속재질이나 비철금속 재질의 밸브 소켓은 최근 들어 원자재의 단가가 급상승하고 있고 가공 등의 제조단가가 높아 이를 대체하기 위한 합성수지 재질의 밸브소켓을 적용하고 있으나 이는 각 파이프를 연결할 때 합성수지 재질로 인하여 강하게 조임이 되지 못하여 결합성이 떨어지고 파손의 우려가 많으며 나사부분이 파손 등으로 결합성 및 밀폐성이 떨어져 누수가 발생하는 사례가 빈번하였다.However, valve sockets made of metal or non-ferrous metals have recently been using synthetic resin valve sockets to replace them due to high raw material costs and high manufacturing costs. Due to the lack of fastening, the bondability is low and there is a high risk of breakage, and the screw part is frequently broken due to breakage of the bond and sealing properties.

이러한 점을 감안하여 인서트 성형에 의하여 소켓부분을 금속 또는 비철금속 재질로 이루어지도록 일체로 형성하여 소켓부분이 이종재질로 형성하고 있으나 금속과 합성수지는 냉온수 계절별 등의 온도변화에 따라 수축과 팽창 등의 계수율이 많이 달라짐에 따라 장기간 사용하다 보면 틈새 등으로 누수가 발생되는 심각한 문제가 대두되어 이를 보완하기 위한 여러 가지 보완 대책이 강구되고 있는 실정이다.
In view of this, the socket part is integrally formed by insert molding to be made of metal or non-ferrous metal by insert molding, and the socket part is formed of heterogeneous materials. As a result of this change, a long-term use causes serious problems such as leaks, and various supplementary measures are taken to compensate for this.

본 발명은 상기한 문제점을 해결하기 위하여 제안된 것으로, 합성수지재질 밸브의 소켓부에 비철금속 재질의 보조소켓을 결합방식으로 체결하여 급,배수관을 견고하게 체결하면서 밀폐성을 높이도록 하는 합성수지밸브의 이종소켓 체결장치를 제공함에 있다.The present invention has been proposed to solve the above problems, heterogeneous socket of a synthetic resin valve to secure the sealing while fastening the supply and drain pipe firmly by fastening the auxiliary socket of the non-ferrous metal to the socket portion of the synthetic resin valve in a coupling manner In providing a fastening device.

본 발명은 상기한 목적을 구현하기 위한 해결수단에 대하여 살펴보면 다음과 같다.The present invention will be described as follows.

급 배수관을 연결하는 소켓부와, 소켓부에 체결하는 마감캡을 구비하는 합성수지 재질의 밸브로서, 상기 소켓부의 수용홈에 끼워지면서 외면 둘레에 사방으로 형성한 걸림홈에 걸려지도록 외면에 걸림돌기를 형성하고 내측면에 오링을 부착하는 내입소켓을 구비함과;A valve made of synthetic resin having a socket for connecting a water supply pipe and a closing cap fastened to the socket. And an internal socket for attaching the O-ring to the inner side;

상기 내입소켓에 형성된 걸림돌기에 걸려지도록 내 측면에 걸림홈을 형성하면서 소켓부의 외면 둘레에 밀착되도록 하는 보강링을 구비함과;It has a reinforcing ring to be in close contact with the outer circumference of the socket portion while forming a locking groove on the inner side to be caught by the engaging projection formed in the inner socket;

상기 보강링의 외측면 둘레에 톱니형 돌기를 연속적으로 형성하여 마감캡의 내측면에 형성한 돌기에 걸려지도록 한 구성의 합성수지밸브의 이종소켓 체결장치를 제공함에 그 특징으로 한다.
It is characterized in that the heterogeneous socket fastening device of the synthetic resin valve of the configuration to be hooked to the projection formed on the inner surface of the closing cap by continuously forming a toothed projection around the outer surface of the reinforcing ring.

본 발명은 상기에서와 같이 밸브의 소켓부에 비철금속 재질의 내입소켓을 밀폐되도록 구비하고 있어 급 배수관을 내입소켓에 체결함으로써 급,배수관을 견고하게 체결하면서 밀폐성을 높이는 효과가 있다.The present invention is provided with a non-ferrous metal inlet socket to be sealed to the socket portion of the valve as described above, thereby fastening the water supply and drain pipe to the inlet socket, thereby improving the sealing performance.

또한 소켓부분을 금속재질로 형성하면서 제조원가를 대폭적으로 절감하면서 장기간 사용하여도 외부 진동 등에 의하여 체결부분이 풀리지 않고 유지되어 밀폐성을 유지하는 효과가 있다.
In addition, the socket portion is formed of a metal material, and the manufacturing cost is greatly reduced, and even after long-term use, the fastening portion is not released by external vibration and the like, thereby maintaining the sealing property.

도 1은 본 발명의 구성을 보인 분리 사시도
도 2는 본 발명의 조립사태를 보인 일부 단면도
도 3은 본 발명에서 마감캡의 일부 단면도
도 4는 본 발명에서 다른 실시 예의 분리 사시도1 is an exploded perspective view showing the configuration of the present invention;
Figure 2 is a partial cross-sectional view showing the assembly situation of the present invention
Figure 3 is a partial cross-sectional view of the finishing cap in the present invention
Figure 4 is an exploded perspective view of another embodiment in the present invention

본 발명을 첨부한 도면에 의하여 바람직한 실시 예를 상세히 설명하면 다음과 같다.The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1, 2에서와 같이, 합성수지 밸브(10)는 급 배수관(70)을 연결하는 소켓부(20)와 소켓부(20)에 체결하는 마감캡(60)을 구비하고 있다, 1 and 2, the synthetic resin valve 10 has a socket 20 for connecting the water supply pipe 70 and a closing cap 60 for fastening to the socket 20,

상기 소켓부(20)에 수용홈(21)에 끼워지면서 외측단 둘레에 사방으로 형성한 걸림홈(22)에 걸려지도록 외면에 걸림돌기(31)를 형성하고 내측면에 오링(40)을 구비하면서 급 배수관(70)을 나사결합으로 체결하도록 하는 내입소켓(30)을 한다. The engaging portion 31 is formed on the outer surface of the socket portion 20 so as to be hooked into the receiving groove 21 to be caught by the locking groove 22 formed in all directions around the outer end thereof, and the O-ring 40 is provided on the inner surface thereof. While making the inlet socket 30 to fasten the water supply pipe 70 by screwing.

상기 오링(40)은 소켓부(20)의 수용홈(21)에 내측단 면에 접촉되어 내입소켓(30)의 압착에 의해 탄력적으로 밀착되도록 결합된다.The O-ring 40 is in contact with the inner end surface in the receiving groove 21 of the socket portion 20 is coupled to elastically close contact by the compression of the internal socket (30).

상기 내입소켓(30)에 형성된 걸림돌기(31)에 걸려지도록 내 측면에 걸림홈(51)을 형성하면서 소켓부(20)의 외측단 둘레에 밀착되도록 하여 내입소켓(30)을 받치면서 지지하도록 하는 보강링(50)을 구비한다.While supporting the inner socket 30 by supporting the inner socket 30 by forming a locking groove 51 on the inner side to be caught by the locking protrusion 31 formed on the inner socket 30, and close to the outer end of the socket 20. It is provided with a reinforcing ring (50).

상기 소켓부(20)의 외측단 둘레 형성한 걸림홈(22)과 보강링(50)에 형성한 걸림홈(51)의 사이에 내입소켓(30)의 외면에 형성한 걸림돌기(31)가 결합되는 상태로 갖는다.The locking protrusion 31 formed on the outer surface of the inlet socket 30 between the locking groove 22 formed around the outer end of the socket portion 20 and the locking groove 51 formed on the reinforcing ring 50 is provided. It is in a combined state.

상기 보강링(50)의 외측면 둘레에 톱니형 돌기(52)를 연속적으로 형성하여 소켓부(20)에 체결되는 마감캡(60)의 내측면에 형성한 돌기(61)가 걸려지면서 조임이 이루어지도록 한 것이다.Tightening is formed while the projection 61 formed on the inner surface of the closing cap 60 is fastened to the socket portion 20 by continuously forming a toothed projection 52 around the outer surface of the reinforcing ring 50 It is to be done.

상기 돌기(61)는 도 3에서와 같이 일정간격으로 반원 형상으로 형성할 수 있으나 톱니형 또는 파형 등으로 형성할 수 있는 것이어서 이를 한정하는 것은 아니다.The protrusion 61 may be formed in a semicircular shape at a predetermined interval as shown in FIG. 3, but the protrusion 61 may be formed in a sawtooth shape or a waveform, but is not limited thereto.

상기에서 내입소켓(30)은 내부에 암나사를 형성하여 급 배수관(70)의 외면에 나사가 형성된 경우에 적용할 수 있도록 한 것이다.
The internal socket 30 is to be applied to the case where a screw is formed on the outer surface of the supply drain pipe 70 by forming a female screw therein.

이와 같이 구성하는 본 발명은 밸브(10)의 소켓부(20)에 오링(40)을 부착한 내입소켓(30)을 소켓부(20)의 외측단 둘레 형성한 걸림홈(22)에 걸림턱(31)이 걸려지도록 삽입한 상태가 되면 내입소켓(30)의 내측단 면에 구비한 오링(40)이 수용홈(21)의 내측단 면에 접촉되는 상태가 되어 내입소켓(30)을 눌러 주면 오링(40)이 수용홈(21)의 내측단 면에 밀착되게 접촉되는지 유무를 확인할 수 있으면서 조립을 수행할 수 있게 되는 것이다.According to the present invention configured as described above, a locking jaw formed in the engaging groove 22 formed around the outer end of the socket portion 20 has an internal socket 30 having the O-ring 40 attached to the socket portion 20 of the valve 10. When the state is inserted so that the 31 is caught, the O-ring 40 provided on the inner end surface of the inlet socket 30 comes into contact with the inner end surface of the receiving groove 21, and then presses the inner socket 30. The main surface O-ring 40 is able to check whether or not the contact is in close contact with the inner end surface of the receiving groove 21 will be able to perform the assembly.

이러한 상태에서 보강링(50)을 내입소켓(30)에 끼우면서 보강링(50)에 형성한 걸림홈(51)을 내입소켓(30)에 형성한 걸림돌기(31)에 끼워주면 소켓부(20)의 외측단 둘레 형성한 걸림홈(22)과 보강링(50)에 형성한 걸림홈(51)의 사이에 내입소켓(30)의 외면에 형성한 걸림돌기(31)가 결합되는 상태에서 마감캡(60)을 소켓부(20)에 체결하면 보강링(50)을 압착시키게 됨에 따라 내부소켓(30)이 함께 압착되어져 소켓부(20)에 밀착되면서 내부소켓(30)에 구비한 오링(40)이 수용홈(21)의 내측단면에 밀착되어져 밀폐성을 유지하게 되는 것이다.In this state, while inserting the reinforcing ring 50 in the inlet socket 30, the engaging groove 51 formed in the reinforcing ring 50 to the engaging projection 31 formed in the inlet socket 30, the socket portion ( In the state that the engaging projection 31 formed on the outer surface of the inner socket 30 is engaged between the engaging groove 22 formed around the outer end of the 20 and the engaging groove 51 formed in the reinforcing ring 50. When the closing cap 60 is fastened to the socket part 20, the reinforcing ring 50 is compressed, so that the inner socket 30 is pressed together to be in close contact with the socket part 20 while being provided in the inner socket 30. 40 is in close contact with the inner end surface of the receiving groove 21 to maintain the sealing.

상기 마감캡(60)이 체결하는 과정에서 마감캡(60)을 조임 방향으로 돌릴 경우 톱니형 돌기(52)가 경사방향으로 돌기 때문에 타고 넘어가면서 조임이 이루어지고 반대방향인 풀림 방향으로 돌릴 경우 톱니형 돌기(52)의 경사 반대 방향으로 돌기 때문에 마감캡(60)이 원활히 풀리지 않고 억지로 강한 힘을 가해야만 풀 수 있게 됨에 따라 강한 조임력을 장기간 유지하면서 외부 진동에 의하여 마감캡이 풀리지 않고 결합이 유지될 수 있는 것이다.When the closing cap 60 in the process of fastening the closing cap 60 in the tightening direction because the sawtooth-type projections 52 are rotated in the inclined direction so that the tightening is carried over and turned in the opposite direction unwinding teeth Since the turning cap is turned in the opposite direction to the inclined direction of the mold protrusion 52, the closing cap 60 can not be smoothly released but can be released only by forcibly applying a strong force, thereby maintaining a strong tightening force for a long time while the closing cap is not released by external vibration. It can be.

상기한 조립과정이 완료된 후 급 배수관을 내부소켓에 연결하게 되는데 내부 소켓이 비철금속 재질로 이루어져 강하게 조여주어도 안전하게 체결이 이루어지면 밀폐성을 유지할 수 있고 이종재질에 의한 팽창계수가 달라도 기밀을 유지할 수 있어 급 배수관을 견고하게 체결하면서 밀폐성을 높일 수 있는 것이다.
After the assembly process is completed, the water supply drain pipe is connected to the inner socket.The inner socket is made of non-ferrous metal, so even if it is tightened securely, it can be securely sealed and the airtightness can be maintained even if the expansion coefficient due to different materials is different. While tightly tightening the drain pipe can improve the sealing.

도 4는 본 발명의 다른 실시 예로서, 상기 구성과 각 구성이 동일하나 다만 내입소켓(30)에 급 배수관(70)의 내면에 나사가 형성된 경우에 적용할 수 있도록 한 것으로, 4 is another embodiment of the present invention, but the configuration and each configuration is the same, but to be applied to the case where the screw is formed on the inner surface of the supply drain pipe 70 in the inlet socket 30,

상기 내입소켓(30')의 외측으로 연장부(32)를 형성하여 외면에 숫나사를 형성한 것으로 상기와 같은 동일한 작용 효과를 제공하게 되는 것이다.
The extension part 32 is formed on the outer side of the inner socket 30 'so that the male screw is formed on the outer surface to provide the same effect as described above.

20: 소켓부 21: 수용홈
22: 걸림홈 30: 내입소켓
31: 걸림편 32: 연장부
40: 오링 50: 보강링
51; 걸림홈 52: 톱니형 돌기
60: 마감캡 70: 급 배수관20: socket 21: receiving groove
22: locking groove 30: internal socket
31: engaging piece 32: extension part
40: O-ring 50: Reinforcement ring
51; Groove 52: Serrated Protrusion
60: closing cap 70: water supply pipe

Claims (3)

급 배수관(70)을 연결하는 소켓부(20)와 소켓부(20)에 체결하는 마감캡(60)을 구비하는 합성수지 밸브(10)로서,
상기 소켓부(20)의 수용홈(21)에 끼워지면서 외면 둘레에 사방으로 형성한 걸림홈(22)에 걸려지도록 외면에 걸림돌기(31)를 형성하고 내측면에 오링(40)을 부착하는 내입소켓(30)을 구비함과;
상기 내입소켓(30)에 형성된 걸림돌기(31)에 걸려지도록 내 측면에 걸림홈(51)을 형성하면서 마감캡(60)의 체결에 의해 소켓부(20)의 외면 둘레에 밀착되도록 하는 보강링(50)을 구비함을 특징으로 하는 합성수지밸브의 이종소켓 체결장치.
As a synthetic resin valve 10 having a socket 20 for connecting the water supply pipe 70 and a closing cap 60 for fastening to the socket 20,
The locking projections 31 are formed on the outer surface of the socket portion 20 so as to be caught by the locking grooves 22 formed in all directions around the outer surface, and the O-ring 40 is attached to the inner surface. Having an internal socket 30;
Reinforcement ring to be in close contact with the outer circumference of the socket portion 20 by fastening the closing cap 60 while forming a locking groove 51 on the inner side to be caught by the locking projection 31 formed in the inner socket 30 Heterogeneous socket fastening device of the synthetic resin valve, characterized in that it comprises (50).
제 1항에 있어서, 상기 보강링(50)의 외측면 둘레에 톱니형 돌기(52)를 연속적으로 형성하여 마감캡(60)의 내측면에 형성한 돌기(61)에 걸려지도록 한 합성수지밸브의 이종소켓 체결장치.
The synthetic resin valve according to claim 1, wherein the toothed protrusions 52 are continuously formed around the outer surface of the reinforcing ring 50 so as to be caught by the protrusions 61 formed on the inner side of the closing cap 60. Hetero socket fastening device.
제 1항에 있어서, 상기 내입소켓(30)에 숫나사를 형성하는 연장부(33)를 형성함을 특징으로 하는 합성수지밸브의 이종소켓 체결장치.
2. The heterogeneous socket fastening device of a synthetic resin valve according to claim 1, wherein an extension part (33) is formed in the internal socket (30) to form a male screw.
KR1020110068274A 2011-07-11 2011-07-11 Combining apparatus of two different sockets for resin valve KR101231736B1 (en)

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CN103398244B (en) * 2013-08-05 2015-08-05 广东中泽重工有限公司 Locking movable connecting pipe device
KR101703030B1 (en) * 2014-03-27 2017-02-06 박강훈 Screw connector having direction adjusting function

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5714062A (en) * 1993-10-01 1998-02-03 Water Pollution Control Corporation Diffuser conduit joint
KR20110064378A (en) * 2009-12-08 2011-06-15 덕산금속 주식회사 The faucet connection plumbing
KR101063783B1 (en) * 2010-12-09 2011-09-08 주식회사 파이텍 Eco-friendly faucet connector
KR101143554B1 (en) * 2011-09-21 2012-05-09 주식회사 애강리메텍 Pipe joint

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5714062A (en) * 1993-10-01 1998-02-03 Water Pollution Control Corporation Diffuser conduit joint
KR20110064378A (en) * 2009-12-08 2011-06-15 덕산금속 주식회사 The faucet connection plumbing
KR101063783B1 (en) * 2010-12-09 2011-09-08 주식회사 파이텍 Eco-friendly faucet connector
KR101143554B1 (en) * 2011-09-21 2012-05-09 주식회사 애강리메텍 Pipe joint

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