KR102290137B1 - Fire hose with untwist structure - Google Patents

Fire hose with untwist structure Download PDF

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Publication number
KR102290137B1
KR102290137B1 KR1020210074092A KR20210074092A KR102290137B1 KR 102290137 B1 KR102290137 B1 KR 102290137B1 KR 1020210074092 A KR1020210074092 A KR 1020210074092A KR 20210074092 A KR20210074092 A KR 20210074092A KR 102290137 B1 KR102290137 B1 KR 102290137B1
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South Korea
Prior art keywords
hose
untwisted
bearing
ring
coupling
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KR1020210074092A
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Korean (ko)
Inventor
김재국
김해기
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동해하이테크산업 주식회사
김재국
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Priority to KR1020210074092A priority Critical patent/KR102290137B1/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
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
    • F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
    • F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
    • F16L27/0824—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with ball or roller bearings
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C33/00—Hose accessories
    • 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
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
    • F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
    • F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
    • F16L27/0812—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with slide bearings
    • F16L27/0816—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with slide bearings having radial sealing

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The purpose of the present invention is to allow a coupling to absorb twisting of a hose in order to make untwisting of the hose on initial water supply before a nozzle is opened performed smoothly, thereby preventing an accident. That is, the present invention relates to a fire hose which comprises: a woven hose whose inner side is coated after woven; a male untwisting coupling connected to one end of the woven hose to be able to be connected to a nozzle or a fire hose to be connected; a female untwisting coupling connected to the other end of the woven hose to be able to be connected to a fire truck or a fire hose to be connected; and an untwisting bearing disposed on the male untwisting coupling to rotate and absorb untwisting of the fire hose during an initial water supply process. According to the present invention, twisting of a hose is absorbed by the coupling to make untwisting of the fire hose on initial water supply before a nozzle is opened performed smoothly, thereby preventing an accident.

Description

꼬임 풀림구조를 갖는 베어링형 소방호스{Fire hose with untwist structure}Bearing type fire hose with untwist structure

본 발명은 꼬임 풀림구조를 갖는 소방호스에 관한 것으로서, 더욱 상세하게는 소방호스에 있어서, 직조호스의 일단에 결합되어 관창 또는 연결대상 소방호스와 연결될 수 있게 구비되는 수꼬임풀림커플링과 상기 직조호스의 다른 일단에 결합되어 소방차 또는 연결대상 소방호스와 연결될 수 있게 구비되는 암꼬임풀림커플링 및 수꼬임풀림커플링에 소방호스의 초기 급수과정에 꼬임풀림을 회전흡수할 수 있게 구비되는 꼬임풀림베어링으로 구성함으로써, 관창을 개방하기전 초기 급수에 있어 꼬임의 풀림이 원활하게 호스의 꼬임을 커플링에서 흡수하여 안전사고를 방지할 수 있도록 함을 목적으로 한 것이다.The present invention relates to a fire hose having an untwisted structure, and more particularly, in a fire hose, a male untwisted coupling coupled to one end of a woven hose so as to be connected to a pipe window or a connection target fire hose, and the woven The untwisted coupling and the male untwisted coupling coupled to the other end of the hose so that it can be connected to a fire engine or a fire hose to be connected are untwisted so that the untwisted coupling can be rotated and absorbed in the initial water supply process of the fire hose. The purpose of this is to prevent a safety accident by absorbing the twist of the hose from the coupling so that the untwisting in the initial water supply before opening the pipe window can smoothly absorb the twist of the hose by the bearing.

일반적으로, 소방호스는 화재시 급수처에서 공급되는 물을 화원에 위치한 관창으로 공급하는 것이다.In general, a fire hose is to supply water supplied from a water supply source to a pipe window located in a fire source in case of fire.

이상과 같은 소방호스는 직조형성되면 내부가 코팅형성되어 구비되는 직조호스와 When the fire hose as described above is woven, the inside is coated with the woven hose and

상기 직조호스의 일단에 결합되어 관창 또는 연결대상 소방호스와 연결될 수 있게 구비되는 숫커플링, 상기 직조호스의 다른 일단에 결합되어 소방차 또는 연결대상 소방호스와 연결될 수 있게 구비되는 암커플링으로 구성되는 것이다.It consists of a male coupling coupled to one end of the woven hose and provided to be connected to a pipe window or a connection target fire hose, and a female coupling coupled to the other end of the woven hose to be connected to a fire engine or a connection target fire hose. will become

이과 같이 구성된 종래의 소방호스는 암커플링을 소방차 또는 연결대상 소방호스에 연결하고 숫커플리에 관창 또는 연결대상 소방호스를 연결하여 사용하는 것이다.The conventional fire hose configured in this way connects a female coupling to a fire engine or a connection target fire hose, and connects a pipe window or a connection target fire hose to a male couple.

그러나, 상기한 바와 같은 종래의 소방호스는 직조호스의 특성상 물이 유입되게 되면 물의 수압에 의하여 직조호스에서 회전력이 발생하게 되는데 이러한 회전력이 단부에 위치한 관창에 작용되게 되면 사용자가 급격한 관창의 회전에 의하여 부상을 당하거나 관창을 놓쳐 더 큰 사고가 발행하는 문제점이 있었다.However, in the conventional fire hose as described above, when water flows in due to the characteristics of the woven hose, a rotational force is generated in the woven hose by the water pressure of the water. There was a problem that caused a bigger accident by getting injured or missing a gwan.

대한민국 특허출원 제 10-2020-0102342 호Korean Patent Application No. 10-2020-0102342

이에, 본 발명은 상기한 바와 같은 종래의 소방호스가 직조호스의 특성상 물이 유입되게 되면 물의 수압에 의하여 직조호스에서 회전력이 발생하게 되는데 이러한 회전력이 단부에 위치한 관창에 작용되게 되면 사용자가 급격한 관창의 회전에 의하여 부상을 당하거나 관창을 놓쳐 더 큰 사고가 발행하는 문제점을 해결하고자 하는 것이다.Accordingly, in the present invention, when water flows into the conventional fire hose as described above due to the characteristics of the woven hose, a rotational force is generated in the woven hose by the water pressure of water. This is to solve the problem that a bigger accident occurs due to an injury or missing a gwan.

즉, 본 발명은 소방호스에 있어서, 직조형성되면 내부가 코팅형성되어 구비되는 직조호스와 상기 직조호스의 일단에 결합되어 관창 또는 연결대상 소방호스와 연결될 수 있게 구비되는 수꼬임풀림커플링, 상기 직조호스의 다른 일단에 결합되어 소방차 또는 연결대상 소방호스와 연결될 수 있게 구비되는 암꼬임풀림커플링 및 수꼬임풀림커플링에 소방호스의 초기 급수과정에 꼬임풀림을 회전흡수할 수 있게 구비되는 꼬임풀림베어링으로 구성한 것을 특징으로 하는 것이다.That is, in the fire hose, the present invention relates to a woven hose having a coating formed therein when woven, and an untwisted coupling provided to be connected to a pipe window or a connection target fire hose by being coupled to one end of the woven hose, the It is coupled to the other end of the woven hose and is provided to rotate and absorb the untwisting in the initial water supply process of the fire hose to the female untwisted coupling and the male untwisted coupling, which are provided to be connected to a fire engine or a fire hose to be connected. It is characterized in that it is composed of a loosening bearing.

즉, 본 발명은 소방호스에 있어서, 직조형성되면 내부가 코팅형성되어 구비되는 직조호스와 상기 직조호스의 일단에 결합되어 관창 또는 연결대상 소방호스와 연결될 수 있게 구비되는 수꼬임풀림커플링, 상기 직조호스의 다른 일단에 결합되어 소방차 또는 연결대상 소방호스와 연결될 수 있게 구비되는 암꼬임풀림커플링 및 수꼬임풀림커플링에 소방호스의 초기 급수과정에 꼬임풀림을 회전흡수할 수 있게 구비되는 꼬임풀림베어링으로 구성한 것을 특징으로 하는 것이다.That is, in the fire hose, the present invention relates to a woven hose having a coating formed therein when woven, and an untwisted coupling provided to be connected to a pipe window or a connection target fire hose by being coupled to one end of the woven hose, the It is coupled to the other end of the woven hose and is provided to rotate and absorb the untwisting in the initial water supply process of the fire hose to the female untwisted coupling and the male untwisted coupling, which are provided to be connected to a fire engine or a fire hose to be connected. It is characterized in that it is composed of a loosening bearing.

도 1은 본 발명에 따른 일실시예를 보인 예시도.
도 2 내지 3은 본 발명에 따라 구성을 보인 분해도.
도 4는 본 발명에 따라 내부 구성을 보인 내부 단면도.
도 5는 내지 7은 본 발명에 따라 암꼬임풀림커플링의 내부구성을 보인 단면도.
도 8은 본 발명에 따라 암나사체결몸체의 구성을 보인 단면도.
도 9는 본 발명에 따라 호스결속몸체의 구성을 보인 단면도.
도 10는 본 발명에 따라 꼬임풀림베어링의 구성을 보인 단면도.
도 11은 본 발명에 따라 공극조절마감캡을 갖는 꼬임풀림베어링의 모습을 보인 예시도.1 is an exemplary view showing an embodiment according to the present invention.
2 to 3 are exploded views showing the configuration according to the present invention.
4 is an internal cross-sectional view showing an internal configuration according to the present invention.
5 to 7 are cross-sectional views showing the internal configuration of the female untwisted coupling according to the present invention.
8 is a cross-sectional view showing the configuration of a female screw fastening body according to the present invention.
9 is a cross-sectional view showing the configuration of a hose binding body according to the present invention.
10 is a cross-sectional view showing the configuration of the untwisted bearing according to the present invention.
11 is an exemplary view showing an untwisted bearing having an air gap control closing cap according to the present invention.

이하, 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, it will be described in detail with reference to the accompanying drawings.

본 발명은 소방호스의 초기 급수에 있어 꼬임의 풀림이 원활하게 하여 안전사고를 방지할 수 있도록 한 것으로서, 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다.The present invention is to prevent a safety accident by smoothly loosening the twist in the initial water supply of the fire hose. It should be interpreted as meaning and concept consistent with the technical idea of the present invention based on the principle that it can be.

따라서, 본 명세서에 기재된 실시예와 도면에 도시된 구성은 본 발명의 가장 바람직한 일 실시예에 불과할 뿐이고, 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형 예들이 있을 수 있음을 이해하여야 한다.Therefore, the configuration shown in the embodiments and drawings described in the present specification is only the most preferred embodiment of the present invention, and does not represent all the technical spirit of the present invention, so they can be substituted at the time of the present application It should be understood that various equivalents and modifications may be made.

즉, 본 발명은 소방호스에 있어서, 직조호스(10)와 수꼬임풀림커플링(20), 암꼬임풀림커플링(30) 및 꼬임풀림베어링(40)으로 구성한 것이다.That is, in the fire hose, the present invention is composed of a woven hose 10 , a male untwisted coupling 20 , a female untwisted coupling 30 and an untwisted bearing 40 .

여기서, 상기 직조호스(10)는 직조형성되며 내부가 코팅형성되어 구비되는 것이다.Here, the woven hose 10 is woven and provided with a coating formed therein.

그리고, 상기 수꼬임풀림커플링는 직조호스의 일단에 결합되어 관창 또는 연결대상 소방호스와 연결될 수 있게 구비되는 것이다.And, the male untwisted coupling is coupled to one end of the woven hose to be provided so as to be connected to the pipe window or the connection target fire hose.

상기 수꼬임풀림커플링(20)은 관창 또는 연결대상 소방호스와의 연결을 위한 수나사를 돌출 형성하여 구비되는 수나사체결몸체(100a)와 직조호스를 결속할 수 있게 구비되는 호스결속몸체(200), 상기 호스결속몸체(200)를 수나사체결몸체(100a)에 결속할 수 있게 구비되는 보조연결몸체(300), 상기 호스결속몸체(200)와 수나사체결몸체(100a) 사이에 구비되어 수압에 의하여 밀착 수밀을 유지할 수 있게 구비되는 제1오링(510) 상기 호스결속몸체(200)와 보조연결몸체(300) 사이에서 2차로 소방수의 유출을 방지할 수 있게 구비되는 제2오링(520), 상기 수나사체결몸체(100a)와 보조연결몸체(300) 사이에서 수나사체결몸체(100a)와의 체결사이로 누수를 방지할 수 있게 구비되는 제3오링(530) 및 호스결속몸체(200)의 외부에 결합된 꼬임풀림베어링이 이탈되지 않도록 구속할 수 있게 구비되는 이탈방지링(600)으로 구성된 것이다.The male untwisted coupling 20 is a hose binding body 200 provided to bind a woven hose with a male screw fastening body 100a provided by protruding a male screw for connection with a pipe window or a connection target fire hose. , Auxiliary connection body 300 provided to bind the hose binding body 200 to the male screw fastening body 100a, the hose binding body 200 and the male screw fastening body 100a It is provided between the body 100a and is provided by water pressure A first O-ring 510 provided to maintain close watertightness A second O-ring 520 provided to prevent the leakage of fire water secondary between the hose binding body 200 and the auxiliary connection body 300, the A third O-ring 530 provided to prevent leakage between the male screw fastening body 100a and the auxiliary connecting body 300 between the fastening with the male screw fastening body 100a and the hose coupling body 200 coupled to the outside It is composed of an anti-separation ring 600 provided to restrain the untwisted bearing from being separated.

또한, 상기 암꼬임풀림커플링(30)는 직조호스의 다른 일단에 결합되어 소방차 또는 연결대상 소방호스와 연결될 수 있게 구비되는 것이다.In addition, the female untwisted coupling 30 is coupled to the other end of the woven hose so as to be connected to a fire engine or a connection target fire hose.

상기 암꼬임풀림커플링은 소방차 또는 연결대상 소방호스와의 연결을 위한 암나사를 내측에 형성하여 구비되는 암나사체결몸체(100b)와 직조호스를 결속할 수 있게 구비되는 호스결속몸체(200), 상기 호스결속몸체(200)를 암나사체결몸체(100b)에 결속할 수 있게 구비되는 보조연결몸체(300), 상기 호스결속몸체(200)와 암나사체결몸체(100b) 사이에 구비되어 수압에 의하여 밀착 수밀을 유지할 수 있게 구비되는 제1오링(510) 상기 호스결속몸체(200)와 보조연결몸체(300) 사이에서 2차로 소방수의 유출을 방지할 수 있게 구비되는 제2오링(520), 상기 암나사체결몸체(100b)와 보조연결몸체(300) 사이에서 암나사체결몸체(100b)와의 체결사이로 누수를 방지할 수 있게 구비되는 제3오링(530) 및 호스결속몸체(200)의 외부에 결합된 꼬임풀림베어링이 이탈되지 않도록 구속할 수 있게 구비되는 이탈방지링(600)으로 구성된 것이다.The female untwisted coupling is a hose binding body 200 provided to bind a woven hose with a female screw fastening body 100b provided by forming a female screw for connection with a fire engine or a fire hose to be connected inside. Auxiliary connection body 300 provided so as to bind the hose binding body 200 to the female screw fastening body 100b, the hose coupling body 200 and the female screw fastening body 100b are provided between the female screw fastening body 100b, and are closely watertightened by water pressure A first O-ring 510 provided to maintain The third O-ring 530 provided to prevent water leakage between the body 100b and the auxiliary connection body 300 between the fastening with the female screw fastening body 100b and the hose coupling body 200 is untwisted coupled to the outside. It is composed of an anti-separation ring 600 that is provided to restrain the bearing from being separated.

또한, 상기 꼬임풀림베어링(40)은 수꼬임풀림커플링과 암꼬임풀림커플링에 소방호스의 초기 급수과정에 꼬임풀림을 회전흡수할 수 있게 구비되는 것이다.In addition, the untwisted bearing 40 is provided so as to absorb rotational untwisting in the initial water supply process of the fire hose to the male untwisted coupling and the female untwisted coupling.

여기서, 상기 호스결속몸체(200)가 수나사체결몸체(100a) 또는 암나사체결몸체(100b)와 보조연결몸체(300) 내부에 삽입되며, 상기 호스결속몸체(200)는 상기 꼬임풀림베어링에 삽입 결속되어 꼬임풀림 회전이 이루어지게 형성한 것이다.Here, the hose binding body 200 is inserted into the male screw fastening body 100a or the female screw fastening body 100b and the auxiliary connecting body 300, and the hose binding body 200 is inserted and bound to the untwisted bearing. It is formed so that untwisted rotation is made.

또한, 상기 호스결속몸체(200)는 암나사체결몸체(100b)와 보조연결몸체(300) 내부에 완전 삽입되며, 상기 호스결속몸체(200)가 상기 꼬임풀림베어링에 삽입 결속되어 꼬임풀림 회전이 이루어지게 형성한 것이다.In addition, the hose binding body 200 is completely inserted into the female screw fastening body 100b and the auxiliary connecting body 300, and the hose binding body 200 is inserted and bound to the untwisted bearing, and the untwisted rotation is made. it was formed wisely.

상기 꼬임풀림베어링은 내면에 베어링볼(710)이 구름이동되게 베어링홈을 형성하여 구비되는 꼬임풀림외륜(720)과 상기 꼬임풀림외륜(720)의 내측으로 결합되며 외면에 베어링볼(710)이 구름이동되게 베어링홈을 형성하여 구비되는 꼬임풀림내륜(730), 상기 꼬임풀림내륜(730) 내면에 상기 꼬임풀림외륜(720)과 꼬임풀림내륜(730)의 베어링홈에 의하여 형성된 베어링가이드부(740)에 베어링볼(710)을 삽입할 수 있게 관통형성되어 구비되는 볼삽입공(731), 상기 볼삽입공(731)을 통하여 베어링가이드부(740)로 삽입되어 꼬임풀림외륜(720)과 꼬임풀림내륜(730)이 구름 접촉 회전되게 구비되는 베어링볼(710)로 구비되는 것이다.The untwisted bearing is coupled to the inner side of the untwisted outer ring 720 and the untwisted outer ring 720, which is provided by forming a bearing groove so that the bearing ball 710 rolls on the inner surface, and the bearing ball 710 on the outer surface The untwisted inner ring 730 is provided by forming a bearing groove for rolling motion, and the untwisted inner ring 730 is provided with a bearing guide portion formed by the bearing grooves of the untwisted outer ring 720 and the untwisted inner ring 730 on the inner surface of the untwisted inner ring 730 ( A ball insertion hole 731 which is formed to be penetrated so that the bearing ball 710 can be inserted into the 740, and the untwisted outer ring 720 and the bearing guide part 740 through the ball insertion hole 731. The untwisted inner ring 730 is provided with a bearing ball 710 that is provided to rotate in rolling contact.

상기 수꼬임풀림커플링과 암꼬임풀림커플링은 조립시 외부가 굴곡 없는 원통형으로 형성하여 구비하는 것이다.The male untwisted coupling and the female untwisted coupling are provided by being formed in a cylindrical shape with no curvature outside when assembling.

상기 수나사체결몸체(100a)와 암나사체결몸체(100b)는 전방에 각각 돌출나사와 내측 삽입나사를 갖는 나사체결부(110), 중간에 호스결속몸체(200)와 호스결속몸체(200) 전방 돌출된 호스삽입부(210)가 삽입되는 나사삽입부(120), 후단에 보조연결몸체(300)와 보조연결몸체(300)에 나선체결되는 내부 나사선을 갖는 연결체결부(131)로 구비하는 것이다.The male screw fastening body 100a and the female screw fastening body 100b have a screw fastening part 110 having a protruding screw and an inner inserting screw at the front, respectively, and a hose coupling body 200 and a hose coupling body 200 in the middle. It is provided with a screw insertion part 120 into which the hose insertion part 210 is inserted, and a connection fastening part 131 having an internal thread screwed to the auxiliary connection body 300 and the auxiliary connection body 300 at the rear end. .

상기 호스결속몸체(200)와 호스결속몸체(200)는 전방에 나사삽입부(120)에 삽입되는 돌출된 호스삽입부(210), 후방에 보조연결몸체(300)와 보조연결몸체(300)에 외부가 감싸지며 내부가 직조호스와 체결되는 호스체결부(220)로 구비하는 것이다.The hose binding body 200 and the hose binding body 200 are a protruding hose insertion part 210 that is inserted into the screw insertion part 120 in the front, and the auxiliary connection body 300 and the auxiliary connection body 300 in the rear. It is to be provided with a hose fastening part 220 that is wrapped around the outside and the inside is fastened to the woven hose.

상기 보조연결몸체(300)는 전단에 상기 나사연결체결부(131)에 삽입되어 나선체결되는 돌출나사선을 갖는 보조체결부(310), 후방에 상기 호스체결부(220)를 감싸며 외부로 드러나는 몸체가 되는 연결몸통부(320)로 구비하는 것이다.The auxiliary connection body 300 is inserted into the screw connection and fastening part 131 at the front end and has an auxiliary fastening part 310 having a protruding screw thread to be spirally fastened, and a body that wraps around the hose fastening part 220 at the rear and is exposed to the outside. It is to be provided with the connecting body portion 320 to become.

상기 나사삽입부(120)는 안측에 제1오링(510)이 끼워지게 파인 제1오링끼움홈(121), 후방에 상기 호스삽입부(210) 삽입시 꼬임풀림베어링이 들어가는 공간인 베어링삽입공간(400)이 형성되도록 단차지게 형성된 베어링삽입턱(122), 안측 상기 베어링삽입턱(122) 근측에 꼬임풀림베어링이 걸리게 하는 상기 이탈방지링(600)이 들어가도록 단차지게 형성된 방지링걸림턱(123)으로 구비하는 것이다.The screw insertion part 120 has a first O-ring fitting groove 121 dug so that the first O-ring 510 is fitted on the inside, and a bearing insertion space that is a space into which the untwisted bearing enters when the hose insertion part 210 is inserted at the rear. The bearing insertion jaw 122 formed stepwise so that 400 is formed, the prevention ring stopping jaw formed to be stepped so that the release prevention ring 600 that allows the untwisted bearing to be caught near the inner side of the bearing insertion jaw 122 is entered ( 123) is provided.

또한, 상기 연결체결부(131)는 상기 연결체결부(131)와 나선체결되는 내측나사면 끝단에 상기 제3오링(530)이 들어가는 제3오링삽입턱(131)으로 구비하는 것이다.In addition, the connection fastening part 131 is provided as a third O-ring insertion protrusion 131 into which the third O-ring 530 is inserted into the end of the inner screw surface that is spirally fastened with the connection fastening part 131 .

상기 호스삽입부(210)는 외측 상기 방지링걸림턱(123)위치에 상기 이탈방지링(600)이 끼워지게 파인 방지링끼움홈(211)을 구비하는 것이다.The hose insertion part 210 is provided with a fine prevention ring fitting groove 211 so that the separation prevention ring 600 is fitted in the position of the prevention ring locking jaw 123 on the outside.

또한 상기 호스체결부(220)는 내측에 직조호스가 삽입시에 안측 일방향으로 삽입을 유도하고 이탈을 방지하도록 안측으로 경사진 물결형의 호스결면(221), 외측에 상기 제2오링(520)이 끼워지게 파인 제2오링끼움홈(222)을 구비하는 것이다.In addition, the hose fastening part 220 has a wavy hose coupling face 221 inclined inward to induce insertion in one direction and prevent separation when the woven hose is inserted into the inside, and the second O-ring 520 to the outside. This is to have a second O-ring fitting groove 222 cut to be fitted.

또한, 상기 볼삽입공(731)을 통하여 삽입되어 베어링볼(710)이 이탈되지 않게 마감하고 베어링볼(710) 사이의 공극을 조절할 수 있게 구비되는 공극조절마감캡(750)으로 구성하여 실시할 수 있는 것이다.In addition, it is inserted through the ball insertion hole 731 to finish the bearing ball 710 not to be separated and to be implemented by configuring the air gap adjustment closing cap 750 provided to adjust the air gap between the bearing balls 710 . it can be

상기 공극조절마감캡(750)는 끝단에 상기 나사볼가이드홈의 면을 누르는 저항조절공(751)을 구비하여 실시할 수 있는 것이다.The air gap control closing cap 750 may be implemented by having a resistance adjusting hole 751 at the end of which the surface of the screw ball guide groove is pressed.

한편, 본 발명의 실시에 있어서, 제1오링(510)은 직조호스를 통하여 유입되는 공기는 외부로 배출되고 소방수가 유입시 수팽창에 의하여 수밀이 유지되게 수평창재질로 형성하여 실시할 수 있는 것이다.On the other hand, in the practice of the present invention, the first O-ring 510 is formed of a horizontal window material so that the air introduced through the woven hose is discharged to the outside and watertight is maintained by water expansion when the fire water flows in. will be.

이하, 본 발명의 적용실시에 따른 작용효과에 대하여 설명하면 다음과 같다.Hereinafter, the effect of the application of the present invention will be described as follows.

즉, 본 발명은 소방호스에 있어서, 직조형성되면 내부가 코팅형성되어 구비되는 직조호스와 상기 직조호스의 일단에 결합되어 관창 또는 연결대상 소방호스와 연결될 수 있게 구비되는 수꼬임풀림커플링, 상기 직조호스의 다른 일단에 결합되어 소방차 또는 연결대상 소방호스와 연결될 수 있게 구비되는 암꼬임풀림커플링 및 수꼬임풀림커플링에 소방호스의 초기 급수과정에 꼬임풀림을 회전흡수할 수 있게 구비되는 꼬임풀림베어링으로 구성한 본 발명을 적용하여 실시하게 되면, 관창을 개방하기전 초기 급수에 있어 꼬임의 풀림이 원활하게 호스의 꼬임을 커플링에서 흡수하여 안전사고를 방지되는 것이다.That is, in the fire hose, the present invention relates to a woven hose having a coating formed therein when woven, and an untwisted coupling provided to be connected to a pipe window or a connection target fire hose by being coupled to one end of the woven hose, the It is coupled to the other end of the woven hose and is provided to rotate and absorb the untwisting in the initial water supply process of the fire hose to the female untwisted coupling and the male untwisted coupling, which are provided to be connected to a fire engine or a fire hose to be connected. When the present invention composed of a loosening bearing is applied and implemented, the untwisting of the twist in the initial water supply before opening the pipe window smoothly absorbs the twist of the hose from the coupling, thereby preventing a safety accident.

또한, 상기 (암/수)꼬임풀림커플링을 (암/수)나사체결몸체(100)와 호스결속몸체(200), 보조연결몸체(300)로 구비하고, 상기 호스결속몸체(200)가 나사체결몸체(100)와 보조연결몸체(300) 내부로 들어가며 (암/수)꼬임풀림커플링을 굴곡이없는 원통형으로 조립형성하여 실시하게 되면 호스의 물주입시 꼬임현상이 발생할 때 꼬임풀림이 원통내부에서 이루지게 되어 (암/수)꼬임풀림커플링을 파지하는 손에 별도의 회전력이 전달되지 않아 풀림에 손이 함께 돌아가는 사고를 방지하는 것이다.In addition, the (female/male) untwisted coupling is provided with a (female/male) screw fastening body 100, a hose binding body 200, and an auxiliary connecting body 300, and the hose binding body 200 is When the (female/male) untwist coupling is assembled into a cylindrical shape without bending while entering the screw fastening body 100 and the auxiliary connection body 300, untwisting occurs when the hose is kinked when water is injected. This is done internally, so that no separate rotational force is transmitted to the hand holding the (female/male) untwisted coupling, so it is to prevent an accident in which the hand rotates together when unwinding.

또한, (암/수)나사체결몸체와 호스결속몸체(200), 보조연결몸체(300) 각각 연결부 사이에 제1오링(510) 제2오링(520) 제3오링(530)을 구비하여 내부 물의 유출 및 외부 물의 유입을 방지하는 것이다.In addition, a first O-ring 510, a second O-ring 520, and a third O-ring 530 are provided between the (female/male) screw coupling body, the hose coupling body 200, and the auxiliary connection body 300, respectively. It is to prevent the outflow of water and the inflow of external water.

또한, 상기 베어링삽입턱(122)으로 인해 형성된 베어링삽입공간(400)에 꼬임풀림베어링을 삽입하고, 방지링걸림턱(123)과 방지링끼움홈(211)에 이탈방지링(600)을 구비하여 실시하게 되면 꼬임풀림베어링과 이탈방지링(600)이 호스결속몸체(200)가 장치 내부에 삽입시 걸리게 되어 호스결속몸체(200)의 삽입결속이 이루어지는 것이다.In addition, the untwisted bearing is inserted into the bearing insertion space 400 formed by the bearing insertion jaw 122, and the anti-separation ring 600 is provided in the prevention ring engagement projection 123 and the prevention ring fitting groove 211. When this is carried out, the untwisted bearing and the separation prevention ring 600 are caught when the hose binding body 200 is inserted into the device, so that the insertion and binding of the hose binding body 200 is made.

이때, 상기 호스결속몸체(200)의 외부면이 꼬임풀림베어링의 볼삽입공(731)의 입구를 막아 베어링볼(710)의 이탈을 방지하는 것이다.At this time, the outer surface of the hose binding body 200 blocks the inlet of the ball insertion hole 731 of the untwisted bearing to prevent separation of the bearing ball 710 .

한편, 꼬임풀림베어링의 볼삽입공(731)을 막는 공극조절마감캡(750)을 구비하여 실시하게 되면 공극조절마감캡(750)이 베어링볼(710)의 이탈을 방지하며, 공극조절마감캡(750)의 삽입깊이에 따라 베어링볼(710)의 사이간결을 조절하여 베어링볼(710)의 구름동작의 저항정도를 조절하여 회전력을 조절할 수 있는 것이다.On the other hand, when the air gap adjustment closing cap 750 is provided to block the ball insertion hole 731 of the untwisted bearing, the air gap adjustment closing cap 750 prevents the bearing ball 710 from being separated, and the air gap adjustment closing cap It is possible to adjust the rotational force by adjusting the distance between the bearing balls 710 according to the insertion depth of the 750 , thereby adjusting the degree of resistance of the rolling operation of the bearing ball 710 .

또한, 상기 공극조절마감캡(750)의 끝단에 저항조절공(751)을 구비하여 실시하게 되면, 저항조절공(751)이 상기 꼬임풀림외륜(720)의 베어링홈면과 저항작용이 이루지며 삽입깊이게 따라 저항력을 조절하여 장치의 회전동작을 조절할 수 있는 것이다.In addition, when a resistance adjustment hole 751 is provided at the end of the air gap adjustment closing cap 750, the resistance adjustment hole 751 has a resistance action with the bearing groove surface of the untwisted outer ring 720 and is inserted It is possible to control the rotational motion of the device by adjusting the resistance according to the depth.

10: 직조호스 20: 수꼬임풀림커플링
30: 암꼬임풀림커플링 40: 꼬임풀림베어링
100a: 수나사체결몸체 100b: 암나사체결몸체
110: 나사체결부
120: 나사삽입부 121: 제1오링끼움홈
122: 베어링삽입턱 123: 방지링걸림턱
130: 연결체결부 131: 제3오링삽입턱
200: 호스결속몸체
210: 호스삽입부 211: 방지링끼움홈
220: 호스체결부
221: 호스결면 222: 제2오링끼움홈
300: 보조연결몸체
310: 보조체결부 320: 연결몸통부
400: 베어링삽입공간
510: 제1오링 520: 제2오링
530: 제3오링
600: 이탈방지링
710: 베어링볼 720: 꼬임풀림외륜
730: 꼬임풀림내륜 731: 볼삽입공
740: 베어링가이드부
750: 공극조절마감캡 751: 저항조절공10: woven hose 20: untwisted coupling
30: untwisted coupling 40: untwisted bearing
100a: male thread fastening body 100b: female thread fastening body
110: screw fastening part
120: screw insertion part 121: first O-ring fitting groove
122: bearing insertion jaw 123: prevention ring engaging jaw
130: connection fastening part 131: third O-ring insertion jaw
200: hose binding body
210: hose insert 211: prevention ring fitting groove
220: hose fastening part
221: hose connection surface 222: second O-ring fitting groove
300: auxiliary connection body
310: auxiliary fastening part 320: connecting body part
400: bearing insertion space
510: first o-ring 520: second o-ring
530: third O-ring
600: anti-separation ring
710: bearing ball 720: untwisted outer ring
730: untwisted inner ring 731: ball insertion hole
740: bearing guide part
750: air gap control closing cap 751: resistance control ball

Claims (6)

소방호스에 있어서;
직조형성되며 내부가 코팅형성되어 구비되는 직조호스와 상기 직조호스의 일단에 결합되어 관창 또는 연결대상 소방호스와 연결될 수 있게 구비되는 수꼬임풀림커플링, 상기 직조호스의 다른 일단에 결합되어 소방차 또는 연결대상 소방호스와 연결될 수 있게 구비되는 암꼬임풀림커플링 및 소방호스의 초기 급수과정에 꼬임풀림을 회전흡수 할 수 있게 구비되는 꼬임풀림베어링으로 구성하고;
상기 수꼬임풀림커플링은 관창 또는 연결대상 소방호스와의 연결을 위한 수나사를 돌출 형성하여 구비되는 수나사체결몸체와 직조호스를 결속할 수 있게 구비되는 호스결속몸체, 상기 호스결속몸체를 수나사체결몸체에 연결 결속할 수 있게 구비되는 보조연결몸체, 상기 호스결속몸체와 수나사체결몸체 사이에 구비되어 수압에 의하여 밀착 수밀을 유지할 수 있게 구비되는 제1오링 상기 호스결속몸체와 보조연결몸체 사이에서 2차로 소방수의 유출을 방지할 수 있게 구비되는 제2오링, 상기 수나사체결몸체와 보조연결몸체 사이에서 수나사체결몸체와의 체결 사이로 누수를 방지할 수 있게 구비되는 제3오링 및 호스결속몸체의 외부에 결합된 꼬임풀림베어링이 이탈되지 않도록 구속할 수 있게 구비되는 이탈방지링으로 구성한 것을 특징으로 하는 꼬임 풀림구조를 갖는 소방호스.
in a fire hose;
A woven hose that is woven and has an inner coating, and a male untwisted coupling that is coupled to one end of the woven hose so as to be connected to a pipe window or a connection target fire hose, is coupled to the other end of the woven hose to be a fire engine or Consists of a female untwisted coupling provided to be connected to a connection target fire hose and an untwisted bearing provided to absorb rotational untwisting in the initial water supply process of the fire hose;
The male untwisted coupling is a hose binding body provided to bind a woven hose with a male screw fastening body provided by protruding a male screw for connection to a pipe window or a connection target fire hose, and the hose coupling body to a male screw fastening body A first O-ring provided between the hose binding body and the male screw fastening body to maintain close watertightness by water pressure Secondary between the hose binding body and the auxiliary connecting body A second O-ring provided to prevent leakage of fire-fighting water, a third O-ring provided to prevent water leakage between the male screw fastening body and the auxiliary connection body between the fastening with the male screw fastening body, and the hose coupling body are coupled to the outside A fire hose having an untwisted structure, characterized in that it consists of a release prevention ring provided to restrain the untwisted bearing from being separated.
 소방호스에 있어서;
직조형성되며 내부가 코팅형성되어 구비되는 직조호스와 상기 직조호스의 일단에 결합되어 관창 또는 연결대상 소방호스와 연결될 수 있게 구비되는 수꼬임풀림커플링, 상기 직조호스의 다른 일단에 결합되어 소방차 또는 연결대상 소방호스와 연결될 수 있게 구비되는 암꼬임풀림커플링 및 소방호스의 초기 급수과정에 꼬임풀림을 회전흡수 할 수 있게 구비되는 꼬임풀림베어링으로 구성하고;
상기 암꼬임풀림커플링은 관창 또는 연결대상 소방호스와의 연결을 위한 내측 나사삽입을 갖는 암나사를 형성하여 구비되는 암나사체결몸체와 직조호스를 결속할 수 있게 구비되는 호스결속몸체, 상기 호스결속몸체를 암나사체결몸체에 연결 결속할 수 있게 구비되는 보조연결몸체, 상기 호스결속몸체와 암나사체결몸체 사이에 구비되어 수압에 의하여 밀착 수밀을 유지할 수 있게 구비되는 제1오링 상기 호스결속몸체와 보조연결몸체 사이에서 2차로 소방수의 유출을 방지할 수 있게 구비되는 제2오링, 상기 암나사체결몸체와 보조연결몸체 사이에서 암나사체결몸체와의 체결 사이로 누수를 방지할 수 있게 구비되는 제3오링 및 호스결속몸체의 외부에 결합된 꼬임풀림베어링이 이탈되지 않도록 구속할 수 있게 구비되는 이탈방지링으로 구성한 것을 특징으로 하는 꼬임 풀림구조를 갖는 소방호스.


in a fire hose;
A woven hose that is woven and has an inner coating, and a male untwisted coupling that is coupled to one end of the woven hose so as to be connected to a pipe window or a connection target fire hose, is coupled to the other end of the woven hose to be a fire engine or Consists of a female untwisted coupling provided to be connected to a connection target fire hose and an untwisted bearing provided to absorb rotational untwisting in the initial water supply process of the fire hose;
The female untwisted coupling is a hose binding body provided to bind a woven hose with a female screw fastening body provided by forming a female screw having an inner screw insertion for connection with a pipe window or a connection target fire hose, the hose binding body A first O-ring provided between the hose coupling body and the female screw fastening body to maintain close watertightness by water pressure. A second O-ring provided to prevent the leakage of fire-fighting water secondarily between the A fire hose having an untwisted structure, characterized in that it consists of a release prevention ring provided to restrain the untwisted bearing coupled to the outside of the .


 제 1항 또는 제2항에 있어서;
상기 꼬임풀림베어링는 수꼬임풀림커플링 및 암꼬임풀림커플링 내부에 삽입결속되게 형성하여 구비한 것을 특징으로 하는 꼬임 풀림구조를 갖는 소방호스.
3. The method of claim 1 or 2;
The untwisted bearing is a fire hose having an untwisted structure, characterized in that it is formed to be inserted and coupled inside the untwisted coupling and the female untwisted coupling.
 제 3 항에 있어서;
상기 꼬임풀림베어링은 내면에 베어링볼이 구름이동되게 베어링홈을 형성하여 구비되는 꼬임풀림외륜과 상기 꼬임풀림외륜의 내측으로 결합되며 외면에 베어링볼이 구름이동되게 베어링홈을 형성하여 구비되는 꼬임풀림내륜, 상기 꼬임풀림내륜 내면에 상기 꼬임풀림외륜과 꼬임풀림내륜의 베어링홈에 의하여 형성된 베어링가이드부에 베어링볼을 삽입할 수 있게 관통형성되어 구비되는 볼삽입공, 상기 볼삽입공을 통하여 베어링가이드부로 삽입되어 꼬임풀림외륜과 꼬임풀림내륜이 구름 접촉 회전되게 구비되는 베어링볼로 구성한 것을 특징으로 하는 꼬임 풀림구조를 갖는 소방호스.
4. The method of claim 3;
The untwisted bearing is coupled to the inner side of the untwisted outer ring and the untwisted outer ring provided by forming a bearing groove on the inner surface so that the bearing ball rolls, and the untwisted bearing is provided by forming a bearing groove on the outer surface so that the bearing ball rolls. Inner ring, a ball insertion hole provided through the inner ring to insert a bearing ball into the bearing guide portion formed by the bearing groove of the untwisted outer ring and the untwisted inner ring on the inner surface of the untwisted inner ring, and the bearing guide is provided through the ball insertion hole A fire hose having an untwisted structure, characterized in that it consists of a bearing ball which is inserted into the part and provided so that the untwisted outer ring and the untwisted inner ring rotate in rolling contact.
 제 1항 또는 제2항에 있어서,
상기 수꼬임풀림커플링 또는 암꼬임풀림커플링은 조립시 외부가 굴곡없는 원통형으로 형성하여 구비하고,
상기 수나사체결몸체 또는 암나사체결몸체는 전방에 돌출나사 또는 내측 삽입나사를 갖는 나사체결부, 중간에 호스결속몸체의 전방 돌출된 호스삽입부가 삽입되는 나사삽입부, 후단에 보조연결몸체와 나선체결되는 내부 나사선을 갖는 연결체결부로 구비하고,
상기 호스결속몸체는 전방에 나사삽입부에 삽입되는 돌출된 호스삽입부, 후방에 보조연결몸체와 보조연결몸체에 외부가 감싸지며 내부가 직조호스와 체결되는 호스체결부로 구비하고,
상기 보조연결몸체는 전단에 상기 연결체결부에 삽입되어 나선체결되는 돌출나사선을 갖는 보조체결부, 후방에 상기 호스체결부를 감싸며 외부로 드러나는 몸체가 되는 연결몸통부로 구비하고,

상기 나사삽입부는 안측에 제1오링이 끼워지게 파인 제1오링끼움홈, 후방에 상기 호스삽입부 삽입시 꼬임풀림베어링이 들어가는 공간인 베어링삽입공간이 형성되도록 단차지게 형성된 베어링삽입턱, 상기 베어링삽입턱 근측에 꼬임풀림베어링이 걸리도록 상기 이탈방지링이 들어가도록 단차지게 형성된 방지링걸림턱으로 구비하고,
상기 연결체결부는 상기 연결체결부와 나선체결되는 내측나사면 끝단에 상기 제3오링이 들어가는 제3오링삽입턱으로 구비하고,

상기 호스삽입부는 외측 상기 방지링걸림턱위치에 상기 이탈방지링이 끼워지게 파인 방지링끼움홈을 구비하고,
호스체결부는 내측에 직조호스가 삽입시에 안측 일방향으로 삽입을 유도하고 이탈을 방지하도록 안측으로 경사진 물결형의 호스결면, 외측에 상기 제2오링이 끼워지게 파인 제2오링끼움홈을 구비하는 것을 특징으로 하는 꼬임 풀림구조를 갖는 소방호스.
3. The method according to claim 1 or 2,
The male untwisted coupling or the female untwisted coupling is provided by forming a cylindrical shape with no bending outside when assembling,
The male screw fastening body or female screw fastening body is a screw fastening part having a protruding screw or an inner insertion screw at the front, a screw inserting part into which the front protruding hose insert of the hose binding body is inserted in the middle, and the auxiliary connecting body and the auxiliary connecting body at the rear end. It is provided with a connection fastening part having an internal thread,
The hose binding body is provided with a protruding hose insertion part inserted into the screw insertion part at the front, the auxiliary connection body and the auxiliary connection body at the rear, the outside is wrapped, and the inside is provided with a hose coupling part that is fastened with a woven hose,
The auxiliary connecting body is provided with an auxiliary fastening part having a protruding screw thread inserted into the connecting fastening part at the front end and helically fastened, and a connecting body part that surrounds the hose fastening part at the rear and becomes a body exposed to the outside,

The screw insertion portion includes a first O-ring fitting groove recessed so that the first O-ring is inserted on the inside, a bearing insertion jaw formed stepwise to form a bearing insertion space that is a space into which the untwisted bearing enters when the hose insertion portion is inserted at the rear, and the bearing insertion It is provided with an anti-ring locking jaw formed to be stepped so that the release prevention ring enters so that the untwisted bearing is caught near the jaw,
The connection fastening part is provided with a third O-ring insertion jaw into which the third O-ring enters at the end of the inner screw surface that is spirally fastened to the connection fastening part,

The hose insertion part is provided with a fine prevention ring fitting groove so that the separation prevention ring is fitted in the position of the prevention ring locking jaw on the outside,
The hose fastening part has a wavy hose coupling surface inclined inward to induce insertion in one direction and prevent separation when the woven hose is inserted on the inside, and a second O-ring fitting groove recessed so that the second O-ring is fitted on the outside. Fire hose having a twist unwinding structure, characterized in that.
 제 4항에 있어서,
상기 볼삽입공을 통하여 삽입되는 베어링볼이 이탈되지 않게 마감하고 베어링볼 사이의 공극을 조절할 수 있게 구비되는 공극조절마감캡으로 구성하고,

상기 공극조절마감캡는 끝단에 상기 나사볼가이드홈의 면을 누르는 저항조절공을 구비하는 것을 특징으로 하는 꼬임 풀림구조를 갖는 소방호스.



5. The method of claim 4,
It is composed of a void control closing cap provided to prevent the bearing ball inserted through the ball insertion hole from being separated and to adjust the void between the bearing balls,

The air gap control closing cap is a fire hose having a twist loosening structure, characterized in that it has a resistance control hole for pressing the surface of the screw ball guide groove at the end.
KR1020210074092A 2021-06-08 2021-06-08 Fire hose with untwist structure KR102290137B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102349775B1 (en) * 2021-10-18 2022-01-11 주식회사 진화이앤씨 Coupling for torsion preventive hose - hose including this
KR102462943B1 (en) * 2022-05-18 2022-11-04 (주) 오행 Anti-twisting and axial light pipe window nozzles rotatable with fire hose connected

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101331061B1 (en) * 2013-04-11 2013-11-19 와이에스(주) Water input coupling and torsion-preventive fire hose
KR20200102342A (en) 2019-02-21 2020-08-31 나부테스코 가부시키가이샤 Electromagnetic proportional valve

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101331061B1 (en) * 2013-04-11 2013-11-19 와이에스(주) Water input coupling and torsion-preventive fire hose
KR20200102342A (en) 2019-02-21 2020-08-31 나부테스코 가부시키가이샤 Electromagnetic proportional valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102349775B1 (en) * 2021-10-18 2022-01-11 주식회사 진화이앤씨 Coupling for torsion preventive hose - hose including this
KR102462943B1 (en) * 2022-05-18 2022-11-04 (주) 오행 Anti-twisting and axial light pipe window nozzles rotatable with fire hose connected

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