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KR20080015171A - Easy pipe joint couplings - Google Patents

Easy pipe joint couplings Download PDF

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Publication number
KR20080015171A
KR20080015171A KR1020060076529A KR20060076529A KR20080015171A KR 20080015171 A KR20080015171 A KR 20080015171A KR 1020060076529 A KR1020060076529 A KR 1020060076529A KR 20060076529 A KR20060076529 A KR 20060076529A KR 20080015171 A KR20080015171 A KR 20080015171A
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South Korea
Prior art keywords
socket
inclined surface
several
pipe
fastening cap
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KR1020060076529A
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Korean (ko)
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KR100871105B1 (en
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홍현숙
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홍현숙
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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
    • F16L21/007—Joints with sleeve or socket clamped by a wedging action
    • 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
    • F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

본 발명은 연결하고져 하는 배관의 이음부분을 소켓의 각 확대선단부 내부에 끼워진 지지링과 패킹링을 통해 내부주연으로 삽입시켜 체결캡으로 체결시키는 공지의 배관이음형 커플링에 있어서 소켓의 각 확대선단부의 외부주연을 내측으로 높아지는 외부주연경사면 및 이 내측쪽 높은 경사면 절반을 수개의 내측방향발톱으로 형성시키고 체결캡의 내부주연을 소켓의 각 확대선단부 외부주연경사면 및 수개의 내측방향발톱과 대응지게 일치하는 내측으로 높아지는 내부주연경사면 및 이 내측쪽 높은 경사면 절반을 수개의 내측방향발톱으로 형성시켜서 체결캡으로 체결시 소켓의 외부주연경사면에 체결캡의 내부주연경사면을 내측으로 높아지는 경사면을 이용하여 삽입하여 체결캡의 내부주연경사면의 수개 내측방향발톱이 소켓의 확대선단부 외부주연경사면의 수개 내측방향발톱과 완전히 맞물리도록 체결시켜서 견고하게 결합이 되는 결합체결이 간편한 배관이음형 커플링According to the present invention, each expansion end portion of a socket in a known pipe joint coupling is inserted into an inner circumference through a support ring and a packing ring fitted inside each expansion end portion of a socket to be connected to each other. The outer periphery of the inner periphery and the inner periphery of the high inclined half are formed by several inward claws, and the inner periphery of the fastening cap is coincident with the outer periphery of the enlarged end of the socket and several inboard The inner circumferential slope which rises inwardly and the inner high sloping surface half formed by several inner claws are inserted into the outer circumferential slope of the socket by inserting the inner circumferential slope of the fastening cap into the inner circumferential slope of the socket. Several inner claws of the inner circumferential slope of the fastening cap extend beyond the extended end of the socket. This is concluded that this coupling rigidly coupled by tightening ridorok several claws inside direction of the peripheral inclined surface entirely and engage simple pipe coupling figures in combination

Description

결합체결이 간편한 배관이음형 커플링 {Pipe connecting type coupling for easing to unite and fix}Pipe connecting type coupling for easing to unite and fix}

도 1은 본 발명의 조립상태를 보인 일부를 절개한 분해사시도1 is an exploded perspective view showing a part of the assembly state of the present invention cut away

도 2a는 동 조립상태의 길이방향 종단면도2A is a longitudinal longitudinal cross-sectional view of the assembled state;

도 2b는 본 발명에서 소켓의 내측쪽에 수개의 절개틈을 형성한 길이방향 종단면도Figure 2b is a longitudinal longitudinal cross-sectional view of the inlet forming a plurality of incisions in the inner side of the present invention

도 3은 본 발명에서 소켓과 배관의 연결구성을 다르게 한 분해사시도Figure 3 is an exploded perspective view showing a different connection configuration of the socket and the pipe in the present invention

도 4는 도 3의 조립상태의 길이방향 종단면도4 is a longitudinal longitudinal cross-sectional view of the assembled state of FIG.

도면의 중요부분에 대한 부호의 설명Explanation of symbols for important parts of the drawings

1 : 배관 2 : 돌륜 3 : 패킹링1: piping 2: wheel ring 3: packing ring

4 : 지지링 5 : 스톱지지링 5a : 수개의 톱니 4: support ring 5: stop support ring 5a: several teeth

5b : 외부주연경사면 5c: 1개의 절개틈 10 : 소켓 5b: outer peripheral slope 5c: one incision 10: socket

11 : 확대선단부 12 : 외부주연경사면 11: magnifying tip 12: outer peripheral slope

13 : 수개의 내측방향발톱 20 : 체결캡13: several inward claws 20: fastening cap

20a : 수개의 절개틈 21 : ㄷ형 내향지지단20a: Several incisions 21: C type inward support

21a :

Figure 112006506417261-PAT00001
형 외향지지단 22 : 내부주연경사면 21a:
Figure 112006506417261-PAT00001
Type outward support 22: inner peripheral slope

20 23 : 수개의 내측방향발톱  20 23: several inward claws

본 발명은 배관의 연결을 암,수나사의 체결이 없이 간편하게 조립하여 체결할 수가 있는 결합체결이 간편한 배관이음형 커플링에 관한 것이다.The present invention relates to a simple pipe joint coupling that can be easily assembled by fastening the connection of the pipe without the tightening of the male and female screws.

종래 배관이음형 커플링은 주로 소켓선단의 내부주연에 테이퍼 암나사를 형성하고 이에 연결하고져 하는 배관의 이음부분 선단에도 테이퍼 암나사와 일치하는 테이퍼 숫나사를 형성하여 조립시에는 배관 이음부분 선단의 테이퍼 숫나사에 실을 감아서 소켓선단의 테이퍼 암나사에 나사산으로 체결할 때 누수방지를 위해 렌치로서 온힘을 다하여 조여야 하므로 체결시간과 노력의 낭비가 많았었다.Conventional pipe joint couplings usually have tapered female threads on the inner periphery of the socket end, and tapered male screws are also formed on the ends of the pipe joints to be connected to the tapered male screws. When the thread was wound and threaded to the tapered female thread at the socket end, it was necessary to tighten it with all its force as a wrench to prevent leakage.

본 발명에서는 이와같은 문제점을 개선하기 위하여 연결하고져 하는 배관의 이음부분을 소켓의 각 확대선단부 내부에 끼워진 지지링과 패킹링을 통해 내부주연으로 삽입시켜 체결캡으로 체결시키는 공지의 배관이음형 커플링에 있어서 소켓의 각 확대선단부의 외부주연을 내측으로 높아지는 외부주연경사면 및 이 내측쪽 높은 경사면 절반을 수개의 내측방향발톱으로 형성시키고 체결캡의 내부주연을 소켓의 각 확대선단부 외부주연경사면 및 수개의 내측방향발톱과 대응지게 일치하는 내측으로 높아지는 내부주연경사면 및 이 내측쪽 높은 경사면 절반을 수개의 내측방향발톱으로 형성시켜서 체결캡으로 체결시 소켓의 외부주연경사면에 체결캡의 내부주연경사면을 내측으로 높아지는 경사면을 이용하여 삽입하여 체결캡의 내부주연경사면의 수개 내측방향발톱이 소켓의 확대선단부 외부주연경사면의 수개 내측방향발톱과 완전히 맞물리도록 체결시켜서 견고하게 결합이 되는 것으로 도면에 의거 상세히 설명하면 다음과 같다.In the present invention, in order to improve such a problem, the pipe joints of the pipes to be connected are inserted into the inner circumference through the support rings and packing rings fitted inside the enlarged ends of the sockets and fastened with a fastening cap. In the outer periphery of each enlarged tip of the socket, the outer periphery inclined to increase inward, and the inner high inclined half is formed by several inward claws, and the inner periphery of the fastening cap is defined by the periphery of the periphery of the periphery of the socket. The inner peripheral inclined surface which rises in correspondence with the inward toenail and the inner high inclined half of the inner side are formed into several inner inclined claws. The number of inner circumferential inclined surfaces of the fastening cap by inserting using the rising slope When the inner claws of the dog are fully engaged with the inner claws of the inner peripheral sloping surface of the enlarged tip of the socket to be fully engaged, the rigid claws will be described in detail with reference to the drawings.

소켓(10)의 각 선단부를 배관(1)의 돌륜(2)과 패킹링(3) 및 지지링(4)이 삽입되도록 직각으로 확대시킨 확대선단부(11)에서 각 확대선단부(11)의 외부주연을 내측으로 높아지는 외부주연경사면(12) 및 이 내측쪽 높은 경사면 절반을 수개의 내측방향발톱(13)으로 형성시키고 체결캡(20)의 외측끝단을 중심쪽 ㄷ형으로 굴곡시켜 배관(1)의 돌륜(2)을 지지할 내향지지단(21), 내부주연을 소켓(10)의 각 확대선단부(11) 외부주연경사면(12) 및 수개의 내측방향발톱(13)과 대응되게 일치하는 내측으로 높아지는 내부주연경사면(22) 및 이 내측쪽 높은 경사면 절반을 수개의 내측방향발톱(23)으로 각각 형성시켜서 배관 연결시에는 체결캡(20)을 연결하고져 하는 배관(1)의 외측쪽에서 수개의 내측방향발톱(23)이 내측으로 향하도록 삽입시켜 외측끝단의 내향지지단(21)에 배관(1)의 돌륜(2)이 걸리도록 하고 배관(1)의 이 음부분으로 소켓(10)의 확대선단부(11) 내부의 지지링(4)과 패킹링(3)을 통과하여 소켓(10)의 내부주연으로 배관(1)의 돌륜(2)이 지지링(4)에 밀접되도록 삽입시킨 후 체결캡(20)의 내부주연경사면 내부로 소켓(10)의 확대선단부(11)의 외부주연경사면(12)을 삽입시켜 타격으로 체결캡(20)의 내부주연경사면(22)의 수개 내측방향발톱(23)이 소켓(10)의 확대선단부(11) 외부주연경사면(12)의 수개 내측방향발톱(13)과 완전히 맞물리도록 체결시켜서 견고하게 결합이 되는 것이다.The outside of each enlarged tip portion 11 in the enlarged tip portion 11 in which the tip portion of the socket 10 is enlarged at a right angle so that the protrusion wheel 2, the packing ring 3, and the support ring 4 of the pipe 1 are inserted. The outer periphery slope 12 and the inner high inclined half of which the periphery rises inwardly are formed by several inward claws 13 and the outer end of the fastening cap 20 is bent into a central c-shape to make the pipe 1 Inwardly supporting end 21 to support the wheel 2, the inner circumference correspondingly in correspondence with each enlarged tip portion 11 outer peripheral inclined surface 12 and several inward toenails 13 of the socket 10 Increasing inner peripheral slope 22 and half of this inner high inclined surface are formed by several inner claws 23, respectively. Pipe 1 is inserted into the inward supporting end 21 of the outer end by inserting the direction claw 23 facing inward. The inner ring of the socket 10 through the support ring 4 and the packing ring 3 inside the enlarged tip 11 of the socket 10 to the hooked portion 2 of the pipe 1, And insert the protrusion 2 of the pipe 1 into the support ring 4, and then into the inner peripheral slope of the fastening cap 20, the outer peripheral slope 12 of the enlarged tip 11 of the socket 10. Several inner claws 23 of the inner circumferential inclined surface 22 of the fastening cap 20 are blown by inserting the plurality of inner claws 13 of the enlarged distal end portion 11 of the outer circumferential inclined surface 12 of the socket 10. It is to be firmly coupled by fastening so as to fully engage with.

또한 체결캡(20)의 내부주연경사면(22)의 내측쪽 높은 경사면 절반을 일정한 간격으로 수개의 절개틈(20a)으로 부분절개시켜서 체결캡(20)의 내부주연경사면(22) 중에서 내측높은쪽의 수개 내측방향발톱(23) 부분의 전체적인내경을 탄력에 의해 순간적으로 확대가 되었다 원상복귀가 될수 있도록 하여 소켓(10) 확대선단부(11)에 체결캡(20)을 체결시 보다 용이하도록 하였다.In addition, the inner high inclined surface half of the inner peripheral inclined surface 22 of the fastening cap 20 is partially dissected into several incision gaps 20a at regular intervals so that the inner high side of the inner peripheral inclined surface 22 of the fastening cap 20 is inclined. The entire inner diameter of several inner claws 23 of the portion was momentarily enlarged by the elasticity, so that the return cap could be returned to the socket 10, so that the fastening cap 20 was easily fastened to the enlarged tip portion 11 of the socket 10.

소켓(10)의 각 확대선단부(11) 내부의 패킹링(3) 외측쪽으로 내부주연은 수개의 톱니(5a), 외부주연은 소켓(10) 확대선단부(11)의 내경크기보다 조금 큰 외측외경에서 내측외경으로 약간 좁아지는 외부주연경사면(5b), 원통체주벽 외측에서 내측까지의 1개 절개틈(5c)으로 형성시킨 스톱지지링(5)을 연결하고져 하는 배관(1)의 이음부분 외부주연에 끼우고 소켓(10) 확대선단부(11) 내부로 스톱지지링(5)의 좁은 내측외경이 패킹링(3)의 외측면에 오도록 압입시켜서 스톱지지링(5)이 외부주연경사면(5b)에 의해 1개 절개틈(5c)으로 축소가 되면서 스톱지지링(5) 내부주연의 수개 톱니(5a)에 의해 배관(1)의 이음부분을 고정시킬수 있도록 하였다.The outer periphery of the outer ring is a few teeth 5a and the outer periphery of the socket 10 is slightly larger than the inner diameter of the enlarged tip 11 of the socket 10. Outside of the joint portion 1 of the pipe 1, which is supposed to connect the outer peripheral inclined surface 5b narrowing slightly to the inner outer diameter at one end, and the stop support ring 5 formed by one incision gap 5c from the outer side to the inner side of the cylindrical wall. Inserted into the periphery and press-fitted so that the narrow inner outer diameter of the stop support ring 5 is on the outer side of the packing ring 3 into the socket 10 extended end portion 11 so that the stop support ring 5 is the outer peripheral inclined surface 5b. It is reduced to one incision gap (5c) by a number of teeth (5a) of the inner periphery of the stop support ring (5) to secure the joint of the pipe (1).

그리고 상기 체결캡(20)의 외측끝단을 중심쪽

Figure 112006506417261-PAT00002
형으로 굴곡시켜 배관(1)의 돌륜(2)을 지지할 외향지지단(21a)으로 형성시킬 수도 있는 것이다.And the center of the outer end of the fastening cap 20
Figure 112006506417261-PAT00002
It may be bent to form the outward support end 21a to support the wheel 2 of the pipe 1.

이와같은 구성으로 된 본 발명의 조립상태를 설명하면 우선 체결캡(20)을 연결하고져 하는 배관(1)의 돌륜(2) 외측쪽에서 수개 내측방향발톱(23)이 내측으로 향하도록 삽입시켜 외측끝단의 걸림돌출단(21)에 배관(1)의 돌륜(2)이 걸리도록 하고 배관의 이음부분으로 소켓(10)의 각 확대선단부(11) 내부의 지지링(4)과 패킹링(3)을 통과하여 소켓(10)의 내부주연으로 배관(1)의 돌륜(2)이 지지링(4)에 밀접되도록 삽입시키면 배관의 이음부분은 소켓(10) 내부에서 패킹링(3)과 이를 받쳐주는 지지링(4)에 의해 밀폐가 되고 이렇게 배관을 밀폐가 되게 삽입시킨 후 체결캡(20)으로 소켓(10) 각 확대선단부(11)의 외부주연경사면(12)의 내측으로 높은 경사면을 이용하여 내부주연경사면(22)의 내부로 외부주연경사면(12)의 외측쪽 절반을 삽입시키고 체결캡(20)의 외측끝단인 걸림돌출단(21)을 망치로 타격하여 소켓(10)의 확대선단부(11) 외부주연경사면(12)의 수개 내측방향발톱(13)에 체결캡(20)의 내부주연경사면(22)의 수개 내측방향발톱(23)이 경사면을 따라 상호 맞물리도록 체결시키면 내,외부주연의 상호 대응되는 수개의 내측방향발톱(13)(23)이 상호 일치되게 완전히 맞물리면서 소켓(10)에 체결캡(20)이 견고하게 결합이 되어 배관(1)의 이음부분이 고정이 되는 것이다.When explaining the assembled state of the present invention having such a configuration, first inserting several inner claws 23 to the inner side from the outer side of the wheel wheel 2 of the pipe 1 to connect the fastening cap 20 to the inner end The protrusion (2) of the pipe (1) to be caught by the locking protrusion (21) of the pipe (1). When the circumferential wheel 2 of the pipe 1 is inserted close to the support ring 4 by the inner circumference of the socket 10, the joint part of the pipe supports the packing ring 3 and the inside of the socket 10. After the sealing ring is sealed by the support ring 4 and the pipe is inserted in such a manner as to be sealed, the fastening cap 20 uses a high inclined surface to the inside of the outer peripheral inclined surface 12 of each enlarged tip portion 11 of the socket 10. Insert the outer half of the outer peripheral inclined surface 12 into the inner peripheral inclined surface 22 and the outer end of the fastening cap 20 Several inner sides of the inner peripheral inclined surface 22 of the fastening cap 20 to several inward toenails 13 of the enlarged front end 11 of the socket 10 and the outer peripheral inclined surface 12 by hammering the protruding end 21 with a hammer. When the claws 23 are engaged with each other along the inclined surface, the fastening cap 20 is connected to the socket 10 while the inner and outer circumferences of the inner claws 13 and 23 corresponding to each other are completely engaged with each other. It is firmly coupled and the joint part of the pipe 1 is fixed.

Claims (5)

연결하고져 하는 배관의 이음부분을 소켓의 각 확대선단부 내부에 끼워진 지지링과 패킹링을 통해 내부주연으로 삽입시켜 체결캡으로 체결시키는 공지의 배관이음형 커플링에 있어서 소켓(10)의 각 확대선단부(11)의 외부주연을 내측으로 높아지는 외부주연경사면(12) 및 이 내측쪽 높은 경사면 절반을 수개의 내측방향발톱(13)으로 형성시키고 체결캡(20)의 내부주연을 소켓(10)의 각 확대선단부(11) 외부주연경사면(12) 및 수개의 내측방향발톱(13)과 대응지게 일치하는 내측으로 높아지는 내부주연경사면(22) 및 이 내측쪽 높은 경사면 절반을 수개의 내측방향발톱(23)으로 형성시켜서 체결캡(20)으로 체결시 소켓(10)의 외부주연경사면(12)에 체결캡(20)의 내부주연경사면(22)을 내측으로 높아지는 경사면을 이용하여 삽입하여 체결캡(20)의 내부주연경사면(22)의 수개 내측방향발톱(23)이 소켓(10)의 확대선단부(11) 외부주연경사면(12)의 수개 내측방향발톱(13)과 맞물리도록 체결시켜서 된 결합체결이 간편한 배관이음용 커플링 In the well-known pipe joint coupling in which the joint portion of the pipe to be connected is inserted into the inner circumference through a support ring and a packing ring fitted inside each of the enlarged ends of the socket and fastened with a fastening cap, each of the enlarged ends of the socket 10 An outer circumferential inclined surface 12 and an inner high sloping half of which form an inner circumference of the socket 10 are formed by several inner claws 13 and the inner circumference of the socket 10 is formed. The inner peripheral inclined surface 22 which rises inwardly corresponding with the enlarged tip portion 11 and the outer peripheral inclined surface 12 and the several inward toenails 13 and the half of this inner high inclined surface are several inward toenails 23. When the fastening cap 20 is fastened to the outer peripheral inclined surface 12 of the socket 10 by inserting the inner peripheral inclined surface 22 of the fastening cap 20 by using an inclined surface rising inwardly to the fastening cap 20 Of the inner peripheral slope (22) More inward claw 23. The socket 10 is enlarged distal end portion (11) outside the peripheral inclined surface (12) several inward claw 13 and the combined fastening ridorok easy pipe is potable coupling by tightening engages the 소켓(10)의 각 확대선단부(11) 내부의 패킹링(3) 외측쪽으로 내부주연은 수개의 톱니(5a), 외부주연은 소켓(10) 확대선단부(11)의 내경크기보다 조금 큰 외측외경에서 내측외경으로 약간 좁아지는 외부주연경사면(5b), 원통체주벽 외측에서 내측까지의 1개 절개틈(5c)으로 형성시킨 스톱지지링(5)을 연결하고져 하는 배관(1)의 이음부분 외부주연에 끼우고 소켓(10) 확대선단부(11) 내부로 스톱지지링(5) 의 좁은 내측외경이 패킹링(3)의 외측면에 오도록 압입시켜서 된 결합체결이 간편한 배관이음용 커플링The outer periphery of the outer ring is a few teeth 5a and the outer periphery of the socket 10 is slightly larger than the inner diameter of the enlarged tip 11 of the socket 10. Outside of the joint portion 1 of the pipe 1, which is supposed to connect the outer peripheral inclined surface 5b narrowing slightly to the inner outer diameter at one end, and the stop support ring 5 formed by one incision gap 5c from the outer side to the inner side of the cylindrical wall. Couplings for easy pipe joints, which are inserted into the periphery and press-fitted so that the narrow inner outer diameter of the stop support ring (5) is on the outer surface of the packing ring (3) into the socket (10) enlarged tip (11). 소켓(10)의 각 확대선단부(11) 내부의 패킹링(3) 외측쪽으로 내부주연은 수개의 톱니(5a), 외부주연은 소켓(10) 확대선단부(11)의 내경크기보다 조금 큰 외측외경에서 내측외경으로 약간 좁아지는 외부주연경사면(5b), 원통체주벽 외측에서 내측까지의 1개 절개틈(5c)으로 형성시킨 스톱지지링(5)을 연결하고져 하는 배관(1)의 이음부분 외부주연에 끼우고 소켓(10) 확대선단부(11) 내부로 스톱지지링(5)의 좁은 내측외경이 패킹링(3)의 외측면에 오도록 압입시켜서 된 결합체결이 간편한 배관이음용 커플링The outer periphery of the outer ring is a few teeth 5a and the outer periphery of the socket 10 is slightly larger than the inner diameter of the enlarged tip 11 of the socket 10. Outside of the joint portion 1 of the pipe 1, which is supposed to connect the outer peripheral inclined surface 5b narrowing slightly to the inner outer diameter at one end, and the stop support ring 5 formed by one incision gap 5c from the outer side to the inner side of the cylindrical wall. Couplings for easy pipe joints, which are inserted into the periphery and press-fitted so that the narrow inner outer diameter of the stop support ring (5) is on the outer surface of the packing ring (3) into the socket (10) enlarged tip (11). 제 1항에 있어서 체결캡(20)의 내부주연경사면(22)의 내측쪽 높은 경사면 절반을 일정한 간격으로 수개의 절개틈(20a)으로 부분절개시켜서 된 결합체결이 간편한 배관이음용 커플링The coupling for easy pipe joint according to claim 1, wherein the inner high inclined surface half of the inner peripheral inclined surface 22 of the fastening cap 20 is partially cut into several incision gaps 20a at regular intervals. 제 2항에 있어서 체결캡(20)의 외측끝단을 중심쪽
Figure 112006506417261-PAT00003
형으로 굴곡시켜 배관(1)의 돌륜(2)을 지지할 외향지지단(21a)으로 형성시켜서 된 결합체결이 간편한 배관이음용 커플링The center of the outer end of the fastening cap 20 in claim 2
Figure 112006506417261-PAT00003
Coupling for easy pipe joints formed by outwardly supporting end 21a which is bent into a shape to support the wheel 2 of the pipe 1
KR1020060076529A 2006-08-14 2006-08-14 Easy pipe joint couplings Expired - Fee Related KR100871105B1 (en)

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KR101177493B1 (en) 2010-08-30 2012-08-27 삼박엘에프티 (주) Connecting structure for Pipe
KR102047934B1 (en) 2019-08-08 2019-11-22 이문승 Pipe connecting structure
KR102430729B1 (en) 2022-03-02 2022-08-10 (주) 대전통일 Piping horizontal maintenance device of the penetrating joint for piping

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KR200344322Y1 (en) * 2003-12-22 2004-03-09 구본한 Pipe Connection Fitting Having Grab Ring
KR200352623Y1 (en) * 2004-03-10 2004-06-05 구성준 Pipe Connection Fitting Having End Stop Washer
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CN111486251A (en) * 2020-04-20 2020-08-04 黄新 Start-stop switch for high-pressure cleaning machine

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