KR100357044B1 - Coupling of high pressure horse and nipple - Google Patents

Coupling of high pressure horse and nipple Download PDF

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Publication number
KR100357044B1
KR100357044B1 KR1020000021612A KR20000021612A KR100357044B1 KR 100357044 B1 KR100357044 B1 KR 100357044B1 KR 1020000021612 A KR1020000021612 A KR 1020000021612A KR 20000021612 A KR20000021612 A KR 20000021612A KR 100357044 B1 KR100357044 B1 KR 100357044B1
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South Korea
Prior art keywords
sleeve
fastening
high pressure
nipple
pressure hose
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KR1020000021612A
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Korean (ko)
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KR20010097492A (en
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강순자
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허대성
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Priority to KR1020000021612A priority Critical patent/KR100357044B1/en
Priority to KR2020000011700U priority patent/KR200198062Y1/en
Publication of KR20010097492A publication Critical patent/KR20010097492A/en
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Publication of KR100357044B1 publication Critical patent/KR100357044B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/22Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints That Cut Off Fluids, And Hose Joints (AREA)

Abstract

본 발명은 중공부를 갖는 슬리브의 내부에 내주면에 걸림돌조가 형성된 체결링을 상기 슬리브의 내부에 복수개 순차적으로 삽입하여 고압호스와 니플이 체결되도록 한 것으로, 상기 체결링은 일부분이 개구되어 체결링의 일단에는 걸림돌부가 형성되고, 타단에는 상기 걸림돌부가 삽입되는 걸림돌부삽입홈이 형성된 것이다. 이처럼 본 발명은 니플과 결합되는 슬리브의 내부에 고압호스를 압착시키는 복수개의 체결링을 지그재그 방향으로 안착시킴으로써 고압호스를 통해 공급되는 누유를 효과적으로 방지하고, 슬리브 내부에 걸림돌조를 가공하는 공정을 배제하여 롤링 및 프레스 가공에 의하여 간편하게 체결링을 제조할 수 있어 전체 제조공정이 간소화되는 효과가 있으며, 이에 따라 제조비용을 현저하게 절감하도록 한 것이다.The present invention is to insert a plurality of fastening ring is formed on the inner peripheral surface of the sleeve having a hollow portion in order to insert a plurality of fastening in the inside of the sleeve so that the high-pressure hose and the nipple is fastened, one end of the fastening ring is a part of the fastening ring A locking protrusion is formed at the other end, and a locking protrusion insertion groove into which the locking protrusion is inserted is formed at the other end. As such, the present invention effectively prevents leakage of oil supplied through the high pressure hose by eliminating a plurality of fastening rings for compressing the high pressure hose in the inside of the sleeve coupled to the nipple in a zigzag direction, and eliminating the process of processing the locking protrusion inside the sleeve. Therefore, the fastening ring can be easily manufactured by rolling and pressing, thereby simplifying the entire manufacturing process, thereby significantly reducing the manufacturing cost.

Description

고압호스와 니플의 커플링{Coupling of high pressure horse and nipple}Coupling of high pressure horse and nipple}

본 발명은 유공압장치에 연결되는 니플(NIPPLE)에 고압호스를 견고히 체결하기 위한 커플링에 관한 것으로, 보다 상세하게는 니플과 고압호스를 체결하는 슬리브의 내부에 걸림돌조가 형성된 체결링을 복수개 삽입함과 아울러 체결링의 삽입시 개구된 부분이 상호 어긋나도록 지그재그타입으로 삽입함으로써 가공작업이 간편해지고, 제조비용을 절감함은 물론 누유방지효과를 극대화한 고압호스와 니플의 커플링에 관한 것이다.The present invention relates to a coupling for firmly fastening a high pressure hose to a nipple connected to a pneumatic device, and more particularly, inserting a plurality of fastening rings having a locking protrusion formed inside a sleeve for fastening the nipple and a high pressure hose. In addition, by inserting the zigzag type so that the openings are deviated from each other when the fastening ring is inserted, the machining operation is simplified, and the manufacturing cost is reduced, as well as the coupling between the high pressure hose and the nipple maximizing leakage prevention effect.

일반적으로 중장비 또는 유공압장치에 사용되는 고압의 공압이나 유압라인에는 고압호스를 사용하고 있는 바, 이러한 고압호스는 각종 유공압장치에 연결된 니플을 통하여 연결되고 있고, 고압호스와 니플의 연결부위는 다시 슬리브로 체결하여 공압이나 유압이 누출되는 것을 방지하도록 하고 있다.In general, high pressure hoses are used for high pressure pneumatic or hydraulic lines used in heavy equipment or pneumatic equipment. These high pressure hoses are connected through nipples connected to various pneumatic equipments. To prevent leakage of pneumatic or hydraulic pressure.

이러한 슬리브관을 제작하는 경우에는 도 1에 도시한 바와 같이, 통상적으로 중심이 채워진 철봉(300)을 소정 길이로 절단한 다음 중심부를 절삭하여 중공부를 형성시키고, 다시 중심부의 내주면을 선반가공하여 상부의 걸림턱(310)과 걸림돌조(320)를 형성한 후에 상부의 걸림턱(310)의 외주연을 선반가공하여 제거하는 작업을 수행하고, 체결부(330)를 형성하는 방법이 상용되고 있다.In the case of manufacturing such a sleeve tube, as shown in FIG. 1, the iron rod 300 filled with a center is cut into a predetermined length, and then the center portion is cut to form a hollow portion, and the inner circumferential surface of the center portion is further subjected to lathe machining. After forming the locking jaw 310 and the locking projection 320 of the upper edge of the locking jaw 310 of the upper part to perform the process of removing and forming a fastening portion 330 is commonly used. .

그러나 이러한 방법에 의하여 슬리브관을 제조하는 경우에는 가공시 고도의 숙련된 기술을 요구하고, 고가의 원자재가 필요하여 생산비가 상승되며, 모든 작업이 선반가공으로 이루어져 정확한 수치가공이 어려워 불량품이 양산되는 등의 문제가 있다.However, in the case of manufacturing the sleeve tube by such a method, highly skilled techniques are required for processing, expensive raw materials are required, and production costs are increased. All operations are performed by lathe processing, so that accurate numerical processing is difficult, resulting in mass production of defective products. There is a problem.

이와 같은 문제점을 해소하기 위한 개선된 슬리브관의 제조방법은 도 2에 도시한 바와 같이, 슬리브관(200) 자체를 파이프상태로 미리 가공한 상태에서 동일한 연삭 등의 가공방법에 의하여 슬리브관(200) 내주연에 동일한 돌출상태로 걸림턱(210)과 걸림돌조(220)를 형성시키고, 걸림턱(210)과 걸림돌조(220)가 형성된 슬리브의 상연부를 프레스 가공하여 걸림턱의 절곡작업과 체결부(230)의 형성 작업을 일시에 수행하는 방법이 제안되어 있다.Improved sleeve tube manufacturing method for solving such a problem, as shown in Figure 2, the sleeve tube 200 by the same grinding method and the like in the pre-machined state of the sleeve tube 200 itself in a pipe state ) The locking projection 210 and the locking projection 220 are formed in the same protruding state on the inner circumference, and the upper edge of the sleeve in which the locking projection 210 and the locking projection 220 are formed is pressed to bend and bend the locking projection. A method of temporarily performing the forming work of the unit 230 has been proposed.

이러한 방법에 의하면 슬리브의 성형작업이 간편하고 능률적으로 실시되고, 슬리브 자체를 파이프상으로 선가공한 상태에서 내주벽의 체결돌조나 걸림턱을 가공하게 됨으로써 고가의 원자재를 절감하게 되는 이점은 있다.According to this method, the shaping operation of the sleeve can be easily and efficiently carried out, and the cost of raw materials can be reduced by processing the fastening protrusions or locking jaws of the inner circumferential wall while the sleeve itself is pre-machined into a pipe.

그러나 상술한 바와 같이 개선된 슬리브의 제조공정에 있어서는 파이프상태에서 내주연에 걸림돌조 및 걸림턱을 절삭하는 가공작업은 공수가 많기 때문에 다량의 슬리브관을 제조하는데는 생산성이 저하되는 문제가 있다.However, in the improved manufacturing process of the sleeve as described above, there is a problem in that the productivity of manufacturing a large amount of sleeve tube has a problem because the machining operation for cutting the locking projection and the locking jaw at the inner circumference in the pipe state is a lot of air.

또한, 슬리브의 내부의 절삭 가공작업에 따른 장비가 고가이기 때문에 제조비용이 상승되어 원가부담이 커지는 문제가 있다.In addition, there is a problem that the manufacturing cost is increased and the cost burden is increased because the equipment according to the cutting operation inside the sleeve is expensive.

이와 같은 문제점을 감안하여 안출한 본 발명의 목적은 슬리브의 내부에 걸림돌조가 형성된 복수개의 체결링을 삽입하도록 함으로써 커플링 작업의 생산성을향상시키도록 한 고압호스와 니플의 커플링을 제공함에 있다.An object of the present invention devised in view of such a problem is to provide a coupling between a high pressure hose and a nipple to improve the productivity of the coupling operation by inserting a plurality of fastening rings having a locking projection inside the sleeve.

본 발명의 다른 목적은 제조 작업이 단순화되어 제조비용을 절감하도록 하려는 것이다.Another object of the present invention is to simplify the manufacturing operation to reduce the manufacturing cost.

본 발명의 또 다른 목적은 슬리브 내부에 삽입되는 체결링의 일부분이 개구되어 슬리브의 외경 압착시 슬리브의 내주면에서 돌출부가 발생되는 것을 방지하려는 것이다.Still another object of the present invention is to prevent a part of the fastening ring inserted into the sleeve from being opened so that a protrusion is generated at the inner circumferential surface of the sleeve when the outer diameter of the sleeve is compressed.

본 발명의 또 다른 목적은 슬리브 내부에 삽입되는 체결링의 개구된 부분을 상호 어긋나도록 지그재그 타입으로 삽입함으로서 누유방지효과를 극대화하도록 한 것이다.Still another object of the present invention is to maximize the effect of preventing leakage by inserting the zigzag type openings of the fastening ring inserted into the sleeve to be offset from each other.

도 1은 종래 고압호스 체결용 슬리브의 성형공정도.1 is a molding process of the conventional high pressure hose fastening sleeve.

도 2는 종래 개선된 고압호스 체결용 슬리브의 성형공정도.Figure 2 is a molding process of the conventional improved high pressure hose fastening sleeve.

도 3은 도 2에 의한 슬리브를 이용한 고압호스와 니플을 체결한 단면도.3 is a cross-sectional view of fastening the nipple and the high pressure hose using the sleeve shown in FIG.

도 4는 본 발명에 의한 커플링의 분해사시도.Figure 4 is an exploded perspective view of the coupling according to the present invention.

도 5는 도 4의 조립 상태 단면도.5 is a cross-sectional view of the assembled state of FIG.

도 6은 본 발명 커플링에 의하여 고압호스와 니플을 체결한 단면도.Figure 6 is a cross-sectional view of the high pressure hose and the nipple fastened by the present invention coupling.

도 7은 도 6의 A-A'선 단면도.7 is a cross-sectional view taken along the line AA ′ of FIG. 6.

도 8은 도 7의 상태에서 슬리브의 외경이 압착된 상태도.8 is a state in which the outer diameter of the sleeve is compressed in the state of FIG.

도 9는 종래 기술에서 슬리브의 외경이 압착된 상태도.9 is a state in which the outer diameter of the sleeve is compressed in the prior art.

( 도면의 주요 부분에 대한 부호의 설명 )(Explanation of symbols for the main parts of the drawing)

100 ; 슬리브 110,120,130,140 ; 체결링100; Sleeves 110, 120, 130, 140; Fastening ring

111,121,131,141 ; 걸림돌조 112,122,132,142 ; 걸림돌부111,121,131,141; Jammers 112,122,132,142; Jam

113,123,133,143 ; 걸림돌부삽입홈113,123,133,143; Interlocking Grooves

400 ; 니플 500 ; 고압호스400; Nipple 500; High pressure hose

상기한 본 발명의 목적을 달성하기 위한 고압호스와 니플의 커플링은 중공부를 갖는 슬리브가 구비되어 고압호스와 니플을 체결하는 구조에 있어서, 내주면에 걸림돌조가 형성된 소정 길이의 체결링을 상기 슬리브의 내부에 복수개 순차적으로 삽입하되, 상기 체결링은 일부가 개구되어 체결링의 일단에는 걸림돌부가 형성되고, 타단에는 상기 걸림돌부가 삽입되는 걸림돌부삽입홈이 형성되어 상기 슬리브의 외경 압착시 걸림돌부가 걸림돌부삽입홈에 삽입되도록 구성하여, 상기 슬리브의 내부에 삽입되는 복수개의 체결링들은 각각 개구된 부분이 서로 어긋나도록 지그재그 타입으로 안착되도록 함을 특징으로 한다.In order to achieve the object of the present invention, the coupling of the high pressure hose and the nipple is provided with a sleeve having a hollow portion to fasten the high pressure hose and the nipple, the coupling ring having a predetermined length having a locking protrusion formed on an inner circumferential surface of the sleeve. A plurality of sequentially inserted therein, the fastening ring is a part of the opening is formed in one end of the fastening ring is formed with a locking projection, the other end is formed with a locking projection insertion groove into which the locking projection is inserted, the locking projection when the outer diameter of the sleeve is crimped It is configured to be inserted into the insertion groove, characterized in that the plurality of fastening rings inserted into the inside of the sleeve to be seated in a zigzag type so that the opening portions are shifted from each other.

이하, 상기한 바와 같은 본 발명의 바람직한 실시예를 첨부도면에 의거하여 보다 상세히 설명한다.Hereinafter, preferred embodiments of the present invention as described above will be described in more detail with reference to the accompanying drawings.

첨부도면 도 4는 본 발명에 의한 커플링의 분해사시도이고, 도 5는 도 4의 조립 상태 단면도이며, 도 6은 본 발명 커플링에 의하여 고압호스와 니플을 체결한 단면도이고, 도 7은 도 6의 A-A'선 단면도이다.4 is an exploded perspective view of a coupling according to the present invention, FIG. 5 is an assembled cross-sectional view of FIG. 4, FIG. 6 is a cross-sectional view of a high pressure hose and a nipple fastened by the coupling of the present invention, and FIG. It is sectional drawing of the AA 'line of 6.

이에 도시한 바와 같이, 본 발명 실시예는 금형 사출되어 체결부(100a)를 갖는 슬리브관(100)의 내부에 수개의 체결링들(110,120,130,140)을 슬리브(100)의 내주면에 삽입하고, 체결링을 슬리브(100)에 삽입한 후에 슬리브(100)의 단부를 180°코킹하여 체결링들(110,120,130,140)이 슬리브(100)의 내부에서 이탈하지 않도록 구성한 것이다.As shown in the drawing, the embodiment of the present invention inserts several fastening rings 110, 120, 130, and 140 into the inner circumferential surface of the sleeve 100 by inserting the mold into the sleeve tube 100 having the fastening portion 100 a. After inserting the sleeve 100 into the sleeve 100 by caulking the end of the coupling ring 110, 120, 130, 140 is configured so as not to escape from the inside of the sleeve (100).

각각의 체결링들(110,120,130,140)은 내주면의 원주상으로 걸림돌조(111,121,131,141)가 형성되고, 체결링들(110,120,130,140)의 일부분은 개구되어 있다. 개구된 체결링들(110,120,130,140)의 일단은 걸림돌조 이외의 부분은 절삭된 걸림돌부(112,122,132,142)가 형성되어 있고, 타단은 걸림돌조 부분이 절삭되어 걸림돌부가 삽입되는 걸림돌부삽입홈(113,123,133,143)이 형성되어 있다. 체결링들(110,120,130,140)의 양단에 형성된 걸림돌부와 걸림돌부삽입홈은 체결링이 외부로부터 힘을 받아 압착되는 상태에서 걸림돌부(112,122,132,142)가 걸림돌부삽입홈(113,123,133,143)의 내측으로 삽입되어 체결링들(110,120,130,140)은 중심부에서 일정한 크기로 압착된다.Each of the fastening rings 110, 120, 130, and 140 is formed with engaging protrusions 111, 121, 131, and 141 on the circumference of the inner circumferential surface, and a part of the fastening rings 110, 120, 130, and 140 is open. One end of the opening fastening rings 110, 120, 130, and 140 is formed with the cutting protrusions 112, 122, 132, and 142 having cut portions other than the locking protrusions, and the other end is formed with the locking protrusion insertion grooves 113, 123, 133, 143 where the locking protrusions are cut to insert the locking protrusions. It is. The locking protrusions and the locking protrusion insertion grooves formed at both ends of the coupling rings 110, 120, 130, and 140 are inserted into the locking protrusion insertion grooves 113, 123, 133, and 143 in the state where the locking ring is compressed by the external force. The fields 110, 120, 130 and 140 are compressed to a certain size at the center.

슬리브(100)의 내부에 삽입되는 체결링들(110,120,130,140)은 삽입시 개구된위치를 상호 일치하지 않도록 삽입한다. 즉, 본 발명의 실시예에서와 같이, 4개조의 체결링들(110,120,130,140)이 삽입되는 경우에는 체결링의 개구된 부분을 각각 90°만큼 어긋나도록 위치시킨 상태에서 체결링들(110,120,130,140)을 슬리브(100)에 삽입시킨다. 따라서 슬리브(100)에 삽입되어 고압호스를 압착시키는 체결링들(110,120,130,140)은 슬리브(100)의 외경압착시 360°전방향에 대하여 균일한 힘으로 고압호스를 압착하도록 한다.The fastening rings 110, 120, 130, and 140 inserted into the sleeve 100 may be inserted so as not to coincide with the opened positions. That is, as in the embodiment of the present invention, when four sets of fastening rings 110, 120, 130, and 140 are inserted, the fastening rings 110, 120, 130, and 140 are positioned in a state where the open portions of the fastening rings are shifted by 90 °, respectively. Insert into (100). Therefore, the fastening rings 110, 120, 130, and 140 inserted into the sleeve 100 to compress the high pressure hose may compress the high pressure hose with a uniform force with respect to the 360 ° direction when the outer diameter of the sleeve 100 is compressed.

그리고 체결링들(110,120,130,140)의 걸림돌조(111,121,131,141) 중에서 최외측에 위치하는 걸림돌조(141)의 높이를 가장 낮게 형성한다. 결과적으로 체결링(140)의 내경이 체결링들(110,120,130)의 내경보다 크게 형성한다. 이는 고압호스의 압착시 최외측 부분은 일정정도 여유상태에서 고압호스를 압착하도록 하려는 것이다.The lowest height of the locking protrusions 141 located at the outermost side among the locking protrusions 111, 121, 131, and 141 of the coupling rings 110, 120, 130, and 140 is formed. As a result, the inner diameter of the coupling ring 140 is larger than the inner diameter of the coupling rings 110, 120, and 130. This is to squeeze the high pressure hose in the margin of the outermost part when the high pressure hose is crimped.

한편, 걸림돌조(111)의 형상은 내측방향을 향하는 면은 수직면(111a)으로 형성하고, 외측방향을 향하는 면은 경사면(111b)으로 형성하는 것이 바람직하다. 그러나 가공시 편리에 따라 내측방향을 향하는 면도 경사면으로 형성하더라도 무방하다.On the other hand, the shape of the locking projection 111 is preferably formed in the vertical surface (111a), the surface facing inward direction, the inclined surface (111b) facing the outer direction. However, it may be formed into a shaving inclined surface facing inward direction for convenience in processing.

이와 같이 본 발명에 의한 커플링은 슬리브(100)에 복수개의 체결링들(110,120,130,140)이 삽입되며, 이때 각각의 체결링들(110,120,130,140)은 개구부가 서로 동일선상에 위치하지 않도록 각각의 체결링의 개구부가 엇갈리는 위치에 놓여지도록 체결링들(110,120,130,140)이 삽입된다. 본 발명의 실시예에서는 4개조의 체결링들(110,120,130,140)이 삽입되므로 체결링의 개구부를 각각 90°에위치하도록 체결링들(110,120,130,140)이 슬리브(100)에 삽입되는 것이며, 체결링들을 모두 삽입한 후에 슬리브(100)의 단부를 180°코킹하여 체결링들이 슬리브에서 이탈하지 않도록 한다.As described above, in the coupling according to the present invention, a plurality of fastening rings 110, 120, 130, and 140 are inserted into the sleeve 100, and each of the fastening rings 110, 120, 130, and 140 has the openings of the respective fastening rings so that the openings are not located on the same line. Fastening rings 110, 120, 130, and 140 are inserted to allow the openings to be staggered. In the embodiment of the present invention, since four sets of fastening rings 110, 120, 130, and 140 are inserted, the fastening rings 110, 120, 130, and 140 are inserted into the sleeve 100 so that the openings of the fastening rings are respectively positioned at 90 °. Afterwards, the end of the sleeve 100 is caulked 180 ° so that the fastening rings do not leave the sleeve.

이와 같이 구성되는 본 발명에 의해 고압호스를 니플에 체결하는 동작을 도 6 내지 도 8을 참조하여 설명한다.The operation of fastening the high pressure hose to the nipple according to the present invention configured as described above will be described with reference to FIGS. 6 to 8.

체결링들(110,120,130,140)이 삽입된 슬리브(100)의 체결부(100a)에 니플(400)을 체결하여 니플(400)의 선단이 슬리브(100)의 내부에 위치하도록 한다. 이때 니플(400)의 후단에는 너트(410)가 체결되어 있다.The nipple 400 is fastened to the fastening portion 100a of the sleeve 100 into which the fastening rings 110, 120, 130, and 140 are inserted so that the tip of the nipple 400 is positioned inside the sleeve 100. At this time, the nut 410 is fastened to the rear end of the nipple 400.

니플(400)의 체결방향과 반대측 방향으로 고압호스(500)를 삽입하여 도 7의 상태에서 슬리브(100)의 외경을 압착시켜 도 8에서와 같이 체결링의 걸림돌조(111,121,131,141)가 고압호스의 외경을 압착함으로써 니플(400)과 고압호스(500)에서 공급되는 내용물이 누출되지 않는 상태로 체결시킨다.Insert the high pressure hose 500 in the direction opposite to the fastening direction of the nipple 400 to squeeze the outer diameter of the sleeve 100 in the state of FIG. 7 so that the engaging protrusions 111, 121, 131, 141 of the fastening ring are By crimping the outer diameter, the contents supplied from the nipple 400 and the high pressure hose 500 are fastened in a state of not leaking.

슬리브(100)의 외경을 압착시키는 상태에서 체결링들(110,120,130,140)의 외경도 압착되는 바, 이때 각각의 체결링들(110,120,130,140)의 일단에 형성된 걸림돌부(112,122,132,142)는 타단에 형성된 걸림돌부삽입홈(113,123,133,143)으로 삽입되면서 체결링들(110,120,130,140)은 원주가 동일한 크기로 압착된다.In the state of pressing the outer diameter of the sleeve 100, the outer diameters of the fastening rings 110, 120, 130, and 140 are also compressed. In this case, the locking protrusions 112, 122, 132, and 142 formed at one end of each of the fastening rings 110, 120, 130, and 140 are formed at the other end. The fastening rings 110, 120, 130, and 140 are circumferentially compressed to the same size while being inserted into the 113, 123, 133, and 143.

본 발명에서는 체결링들(110,120,130,140)의 개구된 부분이 서로 어긋난 상태에서 삽입되어 안착된 상태이기 때문에 각 체결링들(110,120,130,140)의 걸림돌조(111,121,131,141)가 고압호스(500)를 압착시키는 힘이 고압호스의 외경에 각각다른 방향에서 작용됨으로써 전체적으로 균일한 압착효과를 거두게 되는 것이며, 고압호스에서 누유를 방지하는 효과가 극대화되는 것이다.In the present invention, since the opened portions of the coupling rings 110, 120, 130, and 140 are inserted and seated in a state where they are displaced from each other, the engaging protrusions 111, 121, 131, and 141 of each of the coupling rings 110, 120, 130, and 140 are crimped by the high pressure hose 500. By acting in different directions on the outer diameter of the hose as a whole to achieve a uniform compression effect, the effect of preventing leakage in the high pressure hose is maximized.

또한, 도 8에서와 같이, 본 발명은 각 체결링들(10,120,130,140)의 개구된 부분이 폐쇄되는 상태로 압착되기 때문에 슬리브(100)의 압착에 따라 체결링들과 슬리브 사이에서 힘의 불균형이 발생되지 않게 되므로 체결링들은 고압호스를 압착시키는 상태로만 외경이 줄어들게 된다. 그러나 종래 기술에서는 도 9에 도시한 바와 같이, 걸림돌조가 슬리브(200)와 일체로 형성된 상태이기 때문에 슬리브(200) 외경의 압착에 따라 슬리브의 걸림돌조(220)가 불규칙하게 돌출됨으로써 장기간 커플링이 결합된 상태에서는 압착력의 불균형으로 인해 누유가 발생되는 문제가 있는 것이다.In addition, as shown in FIG. 8, in the present invention, since the opened portions of the coupling rings 10, 120, 130, and 140 are compressed in a closed state, a force imbalance occurs between the coupling rings and the sleeve according to the compression of the sleeve 100. Since the fastening rings are reduced in diameter only by pressing the high pressure hose. However, in the related art, as shown in FIG. 9, since the locking protrusion is formed integrally with the sleeve 200, the locking protrusion 220 of the sleeve is irregularly protruded due to the compression of the outer diameter of the sleeve 200 so that the coupling is prolonged. In the combined state, there is a problem that leakage occurs due to the imbalance of the pressing force.

그러나 본 발명은 걸림돌조가 슬리브와 별도의 부분으로 구성되어 있어 종래 기술의 문제점을 해소하도록 한 것이다.However, the present invention is to solve the problem of the prior art because the locking projection is composed of a separate portion from the sleeve.

이상에서 설명한 바와 같이, 본 발명에 의한 고압호스와 니플의 커플링은 슬리브관 내부에 걸림돌조를 가공하는 공정을 배제하고 간소한 구조의 체결링을 슬리브의 내부에 삽입한 상태로 고정안착함으로써 전체 제조공정이 간소화되는 효과가 있으며, 고가의 장비를 사용하지 않아도 되므로 제조비용을 현저하게 절감할 수 있는 효과가 있다.As described above, the coupling between the high pressure hose and the nipple according to the present invention eliminates the process of processing the locking projections inside the sleeve tube and is fixed and seated by inserting the fastening ring of the simple structure into the sleeve. There is an effect of simplifying the manufacturing process, there is an effect that can significantly reduce the manufacturing cost because there is no need to use expensive equipment.

또한, 슬리브관과 걸림돌조가 분리된 구성이기 때문에 슬리브의 외경 압착시에 걸림돌조가 불규칙하게 돌출되지 않음으로써 장기간 커플링이 결합된 상태에서 고압호스의 누유를 방지하도록 하는 효과가 있다.In addition, since the sleeve tube and the locking protrusion are separated, the locking protrusion does not protrude irregularly when the sleeve is crimped to the outer diameter, thereby preventing leakage of the high pressure hose in a state where the coupling is coupled for a long time.

아울러 체결링을 슬리브관의 내부에 삽입하는 과정에서 체결링의 개구된 부분을 서로 어긋나도록 지그재그 방향으로 삽입하여 안착시킴으로써 고압호스와 니플의 체결시 고압호스의 외경에서 동시에 압착력이 가해짐으로써 고압호스가 니플에서 이탈되지 않는 효과가 있음은 물론 압착력이 고압호스의 원주방향에서 균일하게 발생되어 누유방지효과를 극대화하도록 한 것이다.In the process of inserting the fastening ring into the sleeve tube, the openings of the fastening ring are inserted in the zigzag direction so as to deviate from each other. In addition, there is an effect that does not deviate from the nipple, as well as the compressive force is generated uniformly in the circumferential direction of the high pressure hose to maximize the effect of preventing leakage.

Claims (2)

중공부를 갖는 슬리브가 구비되어 고압호스와 니플을 체결하는 구조에 있어서,In the structure provided with a sleeve having a hollow portion for fastening the high pressure hose and the nipple, 내주면에 걸림돌조가 형성된 소정 길이의 체결링을 상기 슬리브의 내부에 복수개 순차적으로 삽입하되,Insert a plurality of fastening rings of a predetermined length having a locking projection formed on the inner circumference sequentially in the sleeve, 상기 체결링은 일부가 개구되어 체결링의 일단에는 걸림돌부가 형성되고, 타단에는 상기 걸림돌부가 삽입되는 걸림돌부삽입홈이 형성되어 상기 슬리브의 외경 압착시 걸림돌부가 걸림돌부삽입홈에 삽입되도록 구성하여, 상기 슬리브의 내부에 삽입되는 복수개의 체결링들은 각각 개구된 부분이 서로 어긋나도록 지그재그 타입으로 안착되도록 함을 특징으로 하는 고압호스와 니플의 커플링.The fastening ring has a part opened so that one end of the fastening ring is formed with a locking protrusion, and the other end is formed with a locking protrusion insertion groove into which the locking protrusion is inserted so that the locking protrusion is inserted into the locking protrusion insertion groove when the outer diameter of the sleeve is crimped. The coupling of the high pressure hose and the nipple, characterized in that the plurality of fastening rings inserted into the sleeve to be seated in a zigzag type so that the openings are shifted from each other. 삭제delete
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US7640884B2 (en) * 2007-11-09 2010-01-05 Tamez Jr Isidro Firehose coupling exit indicator
KR101315119B1 (en) * 2012-03-16 2013-10-07 주식회사 파카하니핀 커넥터 Fitting for hydraulic hose and manufacturing method thereof
KR102113691B1 (en) * 2019-11-08 2020-06-02 신영현 Connecting device for pressurised hose

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KR890021247U (en) * 1988-04-12 1989-11-02 고성환 Gas hose connection structure
KR920020113A (en) * 1991-04-11 1992-11-20 오가와 슈헤이 Thrust Ling for Pipe Joint
KR100223357B1 (en) * 1997-01-23 1999-10-15 김주현 High pressure hose connector

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US3891291A (en) * 1974-02-05 1975-06-24 Wiggins Inc E B Tubing coupling incorporating bridging conductor
JPS62130286U (en) * 1986-02-07 1987-08-17
KR890021247U (en) * 1988-04-12 1989-11-02 고성환 Gas hose connection structure
KR920020113A (en) * 1991-04-11 1992-11-20 오가와 슈헤이 Thrust Ling for Pipe Joint
KR100223357B1 (en) * 1997-01-23 1999-10-15 김주현 High pressure hose connector

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KR101222492B1 (en) * 2012-05-31 2013-01-15 한국기계연구원 Device for confirming oil leakage of hose assembly

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