KR100223357B1 - High pressure hose connector - Google Patents

High pressure hose connector Download PDF

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Publication number
KR100223357B1
KR100223357B1 KR1019970002379A KR19970002379A KR100223357B1 KR 100223357 B1 KR100223357 B1 KR 100223357B1 KR 1019970002379 A KR1019970002379 A KR 1019970002379A KR 19970002379 A KR19970002379 A KR 19970002379A KR 100223357 B1 KR100223357 B1 KR 100223357B1
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KR
South Korea
Prior art keywords
gripper
pressure hose
casing
high pressure
nipple
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KR1019970002379A
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Korean (ko)
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KR19980066696A (en
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김주현
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김주현
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Priority to KR1019970002379A priority Critical patent/KR100223357B1/en
Publication of KR19980066696A publication Critical patent/KR19980066696A/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
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/22—Arrangements 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
    • F16L33/223—Arrangements 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 the sealing surfaces being pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • 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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
    • F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
    • F16L55/1705—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose with a substantially radial tightening member

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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 누유현상이 차단되는 고압호스체결용 금구에 관한 것으로, 철판을 롤링가공하여 내측으로 쐐기턱(13)(14)이 형성되도록 한 후 이를 프레스 가공하여 양측의 단부로는 돌출단(11)과 돌출단삽입홈(12)이 교호로 구성되도록 한 다음 돌출단(11)끼리 약간의 거리를 유지한 채 대향되도록 원형으로 성형가공한 그리퍼(10)를 사용한 금구이다.The present invention relates to a high-pressure hose fastening bracket for the oil leakage is blocked, by rolling the iron plate so that the wedge jaw (13) (14) is formed to the inside and then press-processed to the end of both sides protruding end (11) ) And the protruding end insertion groove 12 are alternately formed, and then the protruding end 11 is a bracket using a gripper 10 formed in a circular shape so as to face each other while maintaining a slight distance.

Description

누유현상이 차단되는 고압호스체결용 금구Bracket for fastening high pressure hose to prevent leakage

제1도는 본 발명의 분해사시도.1 is an exploded perspective view of the present invention.

제2,3도는 본 발명의 자체조립 상태를 나타낸 단면도.2 and 3 are cross-sectional views showing the self-assembled state of the present invention.

제4도는 본 발명의 실시 이전의 상태를 나타낸 단면도(고압호스와 체결되기 이전의 상태).4 is a cross-sectional view showing a state before the implementation of the present invention (state before being engaged with the high pressure hose).

제5도는 본 발명의 실시상태를 나타낸 단면도(고압호스와 체결된 상태).5 is a cross-sectional view showing an embodiment of the present invention (state coupled with a high pressure hose).

제6도는 종래 금구의 얼개와 체결상태를 나타낸 단면도.6 is a cross-sectional view showing a state of fastening and fastening of the conventional bracket.

제7도는 본 발명의 요부 부품을 나타낸 정면도.7 is a front view showing the main parts of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 그리퍼 11 : 돌출단10: gripper 11: protrusion end

12 : 돌출단삽입홈 13,14 : 쐐기턱12: protruding end insertion groove 13,14: wedge jaw

20, 20a : 케이싱 21 : 그리퍼이탈방지턱20, 20a: casing 21: gripper release prevention jaw

22 : 수평턱 50 : 니플22: horizontal jaw 50: nipple

51 : 너트부 52 : 밀착조립부51: nut 52: close assembly

60 : 체결너트 200 : 쐐기턱60: tightening nut 200: wedge jaw

100 : 고압호스 K : 가공후 확장돌출된 돌출부100: high pressure hose K: protrusion protruding after processing

H : 가공후 함입된 틈 A,B : 압축체결부H: gap inserted after processing A, B: compression connection part

본 발명은 누유현상이 차단되는 고압호스체결용 금구에 관한 것으로 본 발명의 금구에 의해 고압호스와 체결된 부분으로부터 누유현상이 차단되는 특징을 가진다. 즉, 본 발명의 그리퍼(10)의 작용에 의해 누유현상이 거의 완벽하게 차단이 되는 특징을 가지는 금구를 제공한다.The present invention relates to a high-pressure hose fastening bracket for the leakage of oil leakage is characterized in that the leakage of oil from the portion fastened with the high-pressure hose by the bracket of the present invention. That is, the present invention provides a bracket having a feature that the oil leakage is almost completely blocked by the action of the gripper 10 of the present invention.

고압호스체결용 금구는, 밀착조립부(52)와 너트부(51)을 가지는 니플(50)의 너트부(51) 바로 위쪽에 케이싱(20a)이 삽입되어 위치하는데 이것의 하방부는 압축체결부(A)에 의해 니플과 견고히 일체화되며, 밀착조립부(52)의 외주면으로는 체결너트(60)가 역시 압축체결부(B)에 의해 니플과 일체화되는데 이는 밀착조립부의 외주면에서 회전할 수 있도록 하였고, 상기한 케이싱(20a)의 내면으로는 톱니형태의 쐐기턱(200)이 여러줄 형성이 되어 있어서 니플의 외주면에 끼워진 고압호스(100)의 외주면을 강하게 그리핑할 수 있도록 되어 있다.The high-pressure hose fastening bracket has a casing 20a inserted directly above the nut part 51 of the nipple 50 having the close fitting assembly part 52 and the nut part 51. The lower part thereof has a compression fastening part. It is firmly integrated with the nipple by (A), the fastening nut 60 is also integrated with the nipple by the compression fastening part (B) as the outer peripheral surface of the close assembly 52, so that it can rotate on the outer peripheral surface of the close assembly As the inner surface of the casing 20a has a sawtooth-shaped wedge jaw 200 formed in a plurality of lines, the outer circumferential surface of the high pressure hose 100 fitted to the outer circumferential surface of the nipple can be strongly gripped.

이 상태에서의 케이싱(20a)의 단면적 형상은 정원이 된다.The cross-sectional shape of the casing 20a in this state is a garden.

다음, 종래의 금구와 고압호스를 체결하는 요령을 설명한다.Next, the method of fastening a high pressure hose with a conventional bracket will be described.

고압호스를 금구에 체결시키고저 할 때 니플이 고압호스의 구멍속으로 삽입되도록 끼운 다음 [이때 고압호스는 케이싱(20a)의 안으로 삽입] 강력한 고무브라키트에 끼워진 8조각의 조(jaw)가 유압작동에 의해 중심쪽으로 모여 들도록 장치된 금구체결장치에 물리고 작동스위치를 누르면 장치가 작동하여 상기한 조(jaw)는 케이싱 외주면을 중심쪽으로 강하게 조여서 쐐기턱(200)이 고압호스의 외주면을 강하게 조여주도록 한다.When the high pressure hose is fastened to the bracket, the nipple is inserted into the hole of the high pressure hose [in this case the high pressure hose is inserted into the casing (20a)]. The device is operated by pushing the operation switch and pressing the operation switch. The jaw is strongly tightened toward the center of the casing so that the wedge jaw 200 tightly tightens the outer peripheral surface of the high pressure hose. do.

이 상태는 결국 케이싱(20a) 자체가 조(jaw)에 의해 외경이 찌그러지게 되는 것이다. 이때 외경이 축소됨에 따라 당연히 연신되어 튀어나오게 되는 부분이 있는데 이 부분은 가공후 확장돌출된 돌출부(K)이다.This state eventually causes the casing 20a itself to be distorted by a jaw. At this time, as the outer diameter is reduced, there is a portion that is naturally stretched and protrudes, which is an extended protrusion protrusion K after processing.

즉, 상기한 8조각의 조(jaw)는 상기한 케이싱을 중심쪽으로 가장 강하게 조였을 때 가공후 확장돌출된 돌출부(K)의 폭에 해당하는 거리만큼 서로 간격을 유지하는 것이다. 그렇기 때문에 케이싱을 조였을 때 수축의 반대작용으로 연신되어 팽창되는 가공후 확장돌출된 돌출부(K)가 존재하게 되는 것이며 만일 이 돌출부가 존재하지 않으면 상술한 바와 같이 케이싱을 조여줄 수가 없다.That is, the jaws of the eight pieces are spaced apart from each other by a distance corresponding to the width of the protruding portion (K) extended after processing when the casing is most strongly tightened toward the center. Therefore, when the casing is tightened, there will be an extended projected protrusion K after being stretched and expanded in the opposite action of shrinkage, and if the protrusion does not exist, the casing cannot be tightened as described above.

그런데 케이싱(20a)의 재질은 금속이기 때문에 외경을 축소시키는 압축가공을 가하게 됨으로서 발생되는 확장돌출된 돌출부(K)의 안쪽으로는 가공후 함입된 홈(H)이 생기게 되면서 케이싱의 외형은 팔각형과 유사한 형상을 띠게 된다. 상기 가공후 함입된 홈(H)은 고압호스체결용 금구에 있어서 시급히 해결되어야 할 과제로 대두되어 왔는데, 그 이유는 다음과 같다. 케이싱이 압축가공됨에 따라 결국 고압호스는 금구와 체결된채 고압의 유체동력을 전달하게 되는게 가공후 함입된 홈(H)을 통해 고압호스 내부의 오일이 새어나오게 되는 결정적인 폐단과 함께 동력전달 효율이 크게 저하되는 문제가 있다.However, since the material of the casing 20a is metal, the inside of the expanded protrusion protrusion K, which is generated by applying a compression process to reduce the outer diameter, is formed inside the casing 20a. It has a similar shape. After the processing, the recessed groove (H) has emerged as a problem to be urgently solved in the high-pressure hose fasteners, the reason is as follows. As the casing is compressed and processed, the high pressure hose is connected to the bracket and delivers high-pressure fluid power. The power transmission efficiency is improved along with the critical closure of oil inside the high pressure hose through the recessed groove (H) after processing. There is a problem that is greatly reduced.

그리고 종래의 금구는 환봉을 선반가공하여 케이싱(20a)의 내부에 쐐기턱(13)(14)을 일체로 형성시켜야 하기 때문에 가공시간이 길어 생산성이 저조할 뿐만 아니라 각종 공구의 소모는 물론 불량의 발생률이 높고 특히 자동가공장치는 가격이 매우 비싸서 채산성이 불량한 등의 다수 문제가 있었다.In addition, since the conventional metal fittings must be formed integrally with the wedge jaws 13 and 14 inside the casing 20a by lathering the round bar, the processing time is long, resulting in low productivity and consumption of various tools as well as defects. There were many problems such as high incidence and especially high price of auto homes due to the high price.

이에 본 발명은 상술한 종래 금구의 결정적인 폐단과 부수적인 단점을 해결하는 것으로 그 구성을 첨부한 도면에 의해 설명한다.Accordingly, the present invention will be described with reference to the accompanying drawings to solve the above-mentioned critical closing and additional disadvantages of the conventional bracket.

밀착조립부(52)와 너트부(51)를 가지는 니플(50)의 밀착조립부(52) 외부면으로는 체결너트(60)가 삽입되어 압축체결부(B)에 의해 니플과 일체화되면서 이는 밀착조립부의 외주면에서 회전되도록 한 통상의 금구에 있어서 ; 상기 니플의 너트부(51) 위쪽에 삽입되어 고정된 채 그리퍼이탈방지턱(21)을 통해 내부의 그리퍼(10)가 이탈하지 못하도록 하는 케이싱(20)과, 상기 케이싱의 내부에 삽입되어 고압호스를 그리핑할 수 있도록 하기 위해 철판을 롤링가공하여 내측으로 쐐기턱(13)(14)이 형성되도록 한 후 이를 프레스 가공하여 양측의 단부로는 돌출단(11)과 돌출단삽입홈(12)이 교호로 구성되도록 한 다음 돌출단(11)끼리 약간의 거리를 유지한 채 대향되도록 원형으로 성형가공한 그리퍼(10)로 구성된 것을 특징으로 한다.The fastening nut 60 is inserted into the outer surface of the close assembly 52 of the nipple 50 having the close assembly 52 and the nut 51 to be integrated with the nipple by the compression fastening part B. In the usual bracket which was rotated on the outer peripheral surface of the close assembly; A casing 20 which is inserted above the nut part 51 of the nipple and fixed so as to prevent the gripper 10 from being separated through the gripper release preventing jaw 21 and a high pressure hose inserted into the casing. In order to be gripping, the steel plate is rolled to form a wedge jaw (13) and (14) formed therein, and then press-processed so that the protrusion end (11) and the protrusion end insertion groove (12) are formed at both ends. It is characterized by consisting of a gripper 10 formed in a circular shape so as to be alternately and then facing each other while maintaining some distance between the protruding end (11).

이하 본 발명의 작용과 효과를 설명한다.Hereinafter, the operation and effects of the present invention will be described.

먼저, 너트부(51)의 위쪽에는 그리퍼이탈방지턱(21)이 형성되어 있는 케이싱(20)의 하방부를 삽입시켜 그 외경을 압축함에 따라 형성되는 압축체결부(A)에 의해 니플과 일체화되도록 한 다음, 상기의 그리퍼(10)를 상기 케이싱 안쪽으로 삽입시켜 그리퍼(10)가 케이싱의 수평턱(22)에 얹히게 함과 동시에 확장기를 사용하여 그리퍼(10)의 내경을 확장시켜 그리퍼의 외면과 케이싱의 내면이 접촉되도록 조립한다. 이는 제2도와 제3도에 해당된다. 다음, 그리퍼(10)의 안으로 고압호스를 삽입시킨 후 케이싱(20)을 전술한 바와 같은 장치를 사용하여 압축가공하는데, 가공을 통해 케이싱에 가공후 확장돌출된 돌출부(K)와 가공후 함입된 홈(H)이 형성되더라도 그리퍼(10)는 외경이 축소되면서 압축되어 돌출단(11)이 돌출단삽입홈(12) 속으로 삽입되어 링 형태로 성형되면서 고압호스를 거의 완전한 원형으로 조여 줌으로서 누유현상이 완전히 차단될 수 있도록 한다. 즉, 제4도와 같이 그리퍼(10)의 내부로 고압호스(100)를 삽입시킨 후 이미 전술한 바와 같은 체결장치에 투입, 케이싱(20)을 압착하게 된다.First, the lower part of the casing 20 in which the gripper escape preventing jaw 21 is formed is inserted above the nut part 51 so as to be integrated with the nipple by the compression fastening part A formed by compressing the outer diameter thereof. Next, the gripper 10 is inserted into the casing so that the gripper 10 is placed on the horizontal jaw 22 of the casing, and at the same time, the inner diameter of the gripper 10 is expanded by using an expander and the outer surface of the gripper. Assemble the inner surface of the casing to contact. This corresponds to FIG. 2 and FIG. Next, the high pressure hose is inserted into the gripper 10 and the casing 20 is compressed by using the apparatus as described above. Even if the groove H is formed, the gripper 10 is compressed while the outer diameter is reduced, and the protrusion end 11 is inserted into the protrusion end insertion groove 12 to be molded into a ring shape to tighten the high pressure hose in a nearly complete circle. Make sure leakage is completely blocked. That is, after inserting the high pressure hose 100 into the gripper 10 as shown in FIG. 4, the high pressure hose 100 is inserted into the fastening device as described above, and the casing 20 is compressed.

케이싱을 압착하면 케이싱의 형상은 가공후 확장돌출된 돌출부(K)가 형성되고 그 안쪽으로는 가공후 함입된 홈(H)이 발생하지만 그리퍼는 일측이 벌어져 있던 상태에서 케이싱이 압착될 때 가해지는 힘에 의해 그 벌어진 틈이 좁혀지면서 결국 돌출단(11)은 돌출단삽입홈(12) 속으로 진입하게 된다. 따라서 그리퍼는 제5도와 같이 동그란 원형의 형태로 변화되는데 이때 쐐기턱이 형성되어 있는 그리퍼는 고압호스를 강하게 압착하여 준다.When the casing is compressed, the shape of the casing is formed by the protrusion protrusion K which is expanded after processing, and the recessed groove H which is formed after the processing is formed inside the gripper, but the gripper is applied when the casing is pressed while the one side is opened. As the gap is narrowed by the force, the protruding end 11 eventually enters the protruding end insertion groove 12. Therefore, the gripper is changed into a circular shape as shown in FIG. 5, in which the gripper having the wedge jaw strongly compresses the high pressure hose.

그러므로 그리퍼와 고압호스 사이에는 작은 틈새도 존재하지 않게 되는 것이며 이로서 고압호스와 금구의 체결에서 발생되었던 종래의 폐단 즉, 누유현상은 완전히 차단이 되는 큰 효과가 있는 것이고 누유로 인한 동력손실의 문제도 거의 완전하게 해결된다.Therefore, a small gap does not exist between the gripper and the high pressure hose. Thus, the conventional closing, ie, the oil leakage phenomenon, which occurred at the fastening of the high pressure hose and the metal fitting is completely blocked, and the problem of power loss due to the oil leakage is also prevented. Almost completely solved.

그리고 본 발명의 그리퍼(10)는 평판 다이스의 가공원리와 동일한 롤링공법에 의해 철판에 쐐기턱을 간단히 성형가공한 후 정해진 길이만큼 프레스로 절단을 하면서 돌출단(11)과 돌출단삽입홈(12)이 동시에 형성되도록 하면 펼쳐진 하나의 그리퍼가 매우 용이하게 완성이 되고, 케이싱(20) 역시 파이프를 단조가공하여 그리퍼이탈방지턱(21)이 간단히 형성되도록 하면 본 발명의 구성품 제작은 종료된다.In addition, the gripper 10 of the present invention simply forms a wedge jaw on an iron plate by the same rolling method as the processing principle of a flat die, and then cuts it by a predetermined length while pressing the protrusion end 11 and the protrusion end insertion groove 12. ) Is formed at the same time, the unfolded one gripper is completed very easily, and the casing 20 also forging the pipe so that the gripper escape prevention jaw 21 is simply formed, the component manufacturing of the present invention is finished.

판체 형태의 그리퍼는 간단히 원형으로 가공을 할 수 있는데 1차 가공된 그리퍼의 직경은 케이싱의 그리퍼이탈방지턱(21)의 내경보다 0.5㎜ 정도 작게 성형시켜 케이싱 내부로 용이하게 삽입이 되도록 한다.The gripper in the form of a plate can be simply processed in a circular shape. The diameter of the first processed gripper is about 0.5 mm smaller than the inner diameter of the gripper detachment jaw 21 of the casing so that the gripper can be easily inserted into the casing.

케이싱 내부로 삽입이 된 그리퍼는 내경확장기를 통해 간단히 확장시킬 수 있는데 이 작업을 통해 그리퍼의 외면은 케이싱의 내면과 접촉이 된다. 이로서 압착을 위한 대기상태가 종료되며 상술한 바와 같이 체결을 하게 된다.The gripper inserted into the casing can be easily extended by the inner diameter expander, which makes the outer surface of the gripper contact the inner surface of the casing. As a result, the standby state for the crimp is terminated and the fastening is performed as described above.

따라서 본 발명의 구성품은 상기한 큰 효과 이외에도 매우 저렴한 코스트로서 제작이 가능하여 경제성이 탁월하고 고가의 가공장치가 불필요하게 되어 역시 경제적인 이득을 크게 꾀할 수 있을 뿐만 아니라 생산성은 종래대비 비교할 수 없을 정도로 향상됨으로서 제품 자체의 원가를 크게 저하시킬 수 있는 장점도 결코 간과할 수 없는 것이다.Therefore, the components of the present invention can be manufactured at a very low cost in addition to the above-described big effects, so that the economical efficiency and the expensive processing equipment are not required, and the economic benefits can be greatly increased, and the productivity is incomparable compared with the conventional one. The benefits of being able to significantly reduce the cost of the product itself by improving it can never be overlooked.

이상과 같은 본 발명은 고압호스체결용 금구 분야의 획기적인 기술전환을 도모할 수 있는 특징이 있으며 경제성과 생산성, 부가가치성 등 실로 다수의 유용한 효과가 있는 제품이다.The present invention as described above has the characteristics that can achieve a breakthrough technology conversion in the high-pressure hose fastening bracket field, and is a product having a number of useful effects such as economics, productivity, value-added.

Claims (1)

밀착조립부(52)와 너트부(51)를 가지는 니플(50)의 밀착조립부(52) 외부면으로는 체결너트(60)가 삽입되어 압축체결부(B)에 의해 니플과 일체화되면서 이는 밀착조립부의 외주면에서 회전되도록 한 통상의 금구에 있어서;The fastening nut 60 is inserted into the outer surface of the close assembly 52 of the nipple 50 having the close assembly 52 and the nut 51 to be integrated with the nipple by the compression fastening part B. In the usual bracket to rotate on the outer peripheral surface of the close assembly; 상기 니플의 너트부(51) 위쪽에 삽입되어 고정된 채 그리퍼이탈방지턱(21)을 통해 내부의 그리퍼(10)가 이탈하지 못하도록 하는 케이싱(20)과,A casing 20 which is inserted above the nut part 51 of the nipple and fixed so that the gripper 10 is not separated from the gripper 10 through the gripper release preventing jaw 21; 상기 케이싱의 내부에 삽입되어 고압호스를 그리핑할 수 있도록 하기 위해, 철판을 롤링가공하여 내측으로 쐐기턱(13)(14)이 형성되도록 한 후 이를 프레스 가공하여 양측의 단부로는 돌출단(11)과 돌출단삽입홈(12)이 교호로 구성되도록 한 다음 돌출단(11)끼리 약간의 거리를 유지한 채 대향되도록 원형으로 성형가공한 그리퍼(10)로 구성된 것을 특징으로 하는 누유현상이 차단되는 고압호스체결용 금구.In order to insert the inside of the casing to grip the high pressure hose, the steel plate is rolled to form a wedge jaw (13) (14) to the inside and then press-processed it to the end of both ends (protrusion end ( 11) and the protrusion end insertion groove 12 are alternately formed, and then the oil leakage phenomenon is characterized by consisting of a gripper 10 formed in a circular shape so as to face each other while maintaining some distance between the protrusion ends 11. Bracket for fastening high pressure hose.
KR1019970002379A 1997-01-23 1997-01-23 High pressure hose connector KR100223357B1 (en)

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KR1019970002379A KR100223357B1 (en) 1997-01-23 1997-01-23 High pressure hose connector

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100357044B1 (en) * 2000-04-24 2002-10-19 허대성 Coupling of high pressure horse and nipple
KR101315119B1 (en) * 2012-03-16 2013-10-07 주식회사 파카하니핀 커넥터 Fitting for hydraulic hose and manufacturing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100357044B1 (en) * 2000-04-24 2002-10-19 허대성 Coupling of high pressure horse and nipple
KR101315119B1 (en) * 2012-03-16 2013-10-07 주식회사 파카하니핀 커넥터 Fitting for hydraulic hose and manufacturing method thereof

Also Published As

Publication number Publication date
KR19980066696A (en) 1998-10-15

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