KR20050022563A - Oil seal structure - Google Patents

Oil seal structure Download PDF

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Publication number
KR20050022563A
KR20050022563A KR1020030057548A KR20030057548A KR20050022563A KR 20050022563 A KR20050022563 A KR 20050022563A KR 1020030057548 A KR1020030057548 A KR 1020030057548A KR 20030057548 A KR20030057548 A KR 20030057548A KR 20050022563 A KR20050022563 A KR 20050022563A
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KR
South Korea
Prior art keywords
seal
banjo
oil
oil seal
grip leg
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KR1020030057548A
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Korean (ko)
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KR100516612B1 (en
Inventor
박상돈
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기아자동차주식회사
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Priority to KR10-2003-0057548A priority Critical patent/KR100516612B1/en
Publication of KR20050022563A publication Critical patent/KR20050022563A/en
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Publication of KR100516612B1 publication Critical patent/KR100516612B1/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
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/02Sealings between relatively-stationary surfaces
    • F16J15/06Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/062Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat
    • 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
    • F16L41/00Branching pipes; Joining pipes to walls
    • F16L41/005Branching pipes; Joining pipes to walls adjustable and comprising a hollow threaded part in an opening
    • 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
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/02Sealings between relatively-stationary surfaces
    • F16J15/06Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/061Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means

Abstract

PURPOSE: An oil seal structure is provided to prevent separation during movement and assembling by separately forming an upper seal and a lower seal and combining the separated lower seal to a banjo. CONSTITUTION: In an oil seal structure, oil seals are mounted between a banjo(80) and an eyebolt(40), and the banjo and a pump connector, in a connection part of a pressure hose and an oil pump. The oil seal structure comprises an upper seal(110) of a washer shape and a lower seal formed separately from the upper seal. The lower seal has a grip leg(122) extended from the outer peripheral surface of the seal of the washer seal and bent upward. The lower seal is combined and supported to the banjo by the grip leg. A hemispheric projection(124) is formed to the upper inside of the grip leg and the hemispheric projection is combined to a hemispheric groove(85) formed along the outer periphery of the banjo.

Description

오일 실 구조{OIL SEAL STRUCTURE}Oil Seal Structure {OIL SEAL STRUCTURE}

본 발명은 오일 실 구조에 관한 것으로, 더욱 상세하게는 오일펌프와 프레져 호스의 연결부에 사용되는 오일 실의 구조를 변경하여 하부 실의 이탈을 방지가능하면서도 누유를 방지할 수 있게 한 오일 실 구조에 관한 것이다.The present invention relates to an oil seal structure, and more particularly, to an oil seal structure used to change the structure of an oil seal used at a connection portion between an oil pump and a Fraser hose to prevent leakage of the lower seal and to prevent leakage. It is about.

도 1 은 파워 스티어링 시스템의 오일 펌프의 연결구조를 도시한 도면이고, 도 2 는 도 1 의 부분도로서, 도면을 참조하면, 펌프의 토출 유체는 아이볼트(4)->밴죠(8)->고압 호스(12)를 통해 차체(20)로 유동되어 기어->파워 어시스트에 공급 순환되고, 리턴 파이프(16)를 통해 오일펌프(1)에 리턴된다.FIG. 1 is a view illustrating a connection structure of an oil pump of a power steering system, and FIG. 2 is a partial view of FIG. 1. Referring to the drawings, the discharge fluid of the pump is eyebolt 4-> banjo 8-. Flow through the high pressure hose 12 to the vehicle body 20 is circulated to the gear-> power assist and returned to the oil pump 1 via the return pipe 16.

이러한 오일펌프의 연결구조에 있어서, 펌프 커넥터(2)와 고압 호스(12) 사이에는 밴죠(8)와 아이볼트(4)가 장착되는 데, 오일 실(30)은 밴죠(8)의 상하부에 장착되어 펌프(1)와 밴죠(8), 밴죠(8)와 아이볼트(4) 사이의 누유를 방지하는 기능을 한다. In such an oil pump connection structure, the banjo 8 and the eye bolt 4 are mounted between the pump connector 2 and the high pressure hose 12, and the oil seal 30 is disposed on the upper and lower portions of the banjo 8. It is installed to function to prevent leakage between the pump (1) and banjo (8), banjo (8) and the eye bolt (4).

도 3 은 이와 같은 연결부 앗세이에 사용되는 오일 실(30) 구조를 도시한 도면으로, 밴죠(8) 하부에 장착되는 하부 실(34)이 이동간 또는 조립시에 이탈되는 것을 방지하기 위하여, 상부 및 하부 실(32, 34)이 연결바(38)에 의해 연결된 구조의 오일 실(30)이 제공된다. 도면에 도시된 바와 같이, 종래의 오일 실(30)은 상하부 실(32, 34)이 측면으로 형성된 연결바(38)에 의해 연결되어 있고, 상부 및 하부 실과 연결 바의 연결부에는 단락유도부(36)가 구비된다. 단락유도부(36)는 연결바(38)의 폭보다 얇게 형성되어 아이 볼트(4)를 펌프 커넥터(2)에 체결시 토크에 의해 상하부 실로부터 연결바가 분리되도록 한다.3 is a view showing the structure of the oil seal 30 used in such a connection assembly, in order to prevent the lower seal 34 mounted below the banjo 8 from being separated during movement or assembly, And an oil seal 30 having a structure in which the lower seals 32 and 34 are connected by the connecting bar 38. As shown in the figure, the conventional oil seal 30 is connected by a connecting bar 38 having upper and lower seals 32 and 34 formed laterally, and a short circuit induction part 36 is connected to the upper and lower seals and the connection of the connecting bar. ) Is provided. The short circuit induction part 36 is formed to be thinner than the width of the connection bar 38 so that the connection bar is separated from the upper and lower seals by torque when the eye bolt 4 is fastened to the pump connector 2.

그러나, 이러한 종래의 오일 실(30)은, 아이 볼트 조립시 단락유도부(36)가 절손되지 않고 늘어남으로써 상부 실(32)과 하부 실(34)을 잡아당겨 실 내경을 변형시켜 누유를 발생시키는 문제점이 있고, 오일 실(30)의 제조시 블래킹 공정 또는 블래킹 공정 후 절곡공정에서 단락 유도부(36)가 절손되는 현상이 자주 발생하여 불량율이 높았다. 따라서, 단락유도부의 치수 관리에 어려움이 많았다. However, such a conventional oil seal 30, the short-circuit guide portion 36 is stretched without breaking when the eye bolt is assembled, and pulls the upper seal 32 and the lower seal 34 to deform the seal inner diameter to generate leakage oil. In the manufacturing of the oil seal 30, there is a problem in that the short-circuit induction part 36 is frequently broken in the bending process after the blocking process or the blocking process, and thus the defective rate is high. Therefore, the size management of the short circuit induction part has been difficult.

본 발명은 상기 문제점을 해결하기 위해 안출된 것으로, 상부 실과 하부 실을 분리형성하고, 분리된 하부 실은 밴죠에 결합되어 지지되어, 이동간 및 조립시에 이탈이 방지되도록 구성한 오일 실 구조를 제공하는 것을 목적으로 한다. The present invention has been made to solve the above problems, it is to provide an oil seal structure configured to separate the upper seal and the lower seal, and the separated lower seal is coupled to the banjo, so that the separation is prevented during movement and during assembly. The purpose.

본 발명은 상기 목적을 달성하기 위해, 오일 펌프와 프레져 호스의 연결부에서, 밴죠와 아이볼트 및 밴죠와 펌프 커넥터 사이에 장착되는 오일 실의 구조에 있어서, 와셔 형상의 상부 실과, 상기 상부 실과 분리 형성되며, 와셔 형상의 실 외주면에서 연장되어 상측으로 절곡형성된 파지레그를 구비하여, 상기 파지레그에 의해 상기 밴죠에 결합 지지되는 하부실로 이루어지는 것을 특징한다.The present invention, in order to achieve the above object, in the structure of the oil seal mounted between the banjo and the eye bolt and the banjo and the pump connector at the connection portion of the oil pump and the Fraser hose, the washer-shaped upper seal, and the upper seal is separated from the upper seal. And a gripping leg extending from a washer-shaped thread outer circumferential surface and bent upwards, the lower thread being coupled to and supported by the gripping leg by the gripping leg.

이하 도면을 참조하여 본 발명의 바람직한 실시예를 설명한다. Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

도 4 는 본 발명에 따른 오일 실이 장착된 오일펌프와 프레져 호스의 연결부 앗세이를 도시한 장착도이고, 도 5 는 도 4 의 분해 조립도이다. FIG. 4 is a mounting view showing an assembly assembly of an oil pump and a fryer hose equipped with an oil seal according to the present invention, and FIG. 5 is an exploded assembly view of FIG. 4.

도면에 도시된 바와 같이, 본 발명에 따른 오일 실은 상부 실(110)과 하부 실(120)이 분리된 구조로 형성되고, 하부 실(120)은 밴죠(80)에 결합 지지되므로, 연결부 앗세이(100)의 이동 및 조립시에 하부 실(120)이 이탈되는 것이 방지되면서도, 연결부 설치시 가해지는 아이 볼트(40)의 토크에 의해 실이 변형되는 것을 방지할 수 있게 된다. As shown in the figure, the oil seal according to the present invention is formed in a structure in which the upper seal 110 and the lower seal 120 are separated, and the lower seal 120 is coupled to and supported by the banjo 80, so that the connection assembly While the lower seal 120 is prevented from being separated during the movement and assembly of the 100, it is possible to prevent the seal from being deformed by the torque of the eye bolt 40 applied when the connection part is installed.

상부 실(110)은 와셔 형상을 구비하며, 아이볼트(40)와 밴죠(80) 사이에 장착된다. The upper seal 110 has a washer shape and is mounted between the eye bolt 40 and the banjo 80.

하부 실(120)은 상부 실(110)과 분리되어 별개로 형성되고, 밴죠(80)에 일체로 결합 지지된다. 하부 실(120)은 와셔 형상의 실의 외주면으로 복수개의 파지레그(122)가 연장형성되어 상측으로 절곡되어 있다. The lower seal 120 is formed separately from the upper seal 110 and is integrally coupled to and supported by the banjo 80. The lower thread 120 has a plurality of grip legs 122 extended to the outer peripheral surface of the washer-shaped thread is bent upward.

바람직하게는, 파지레그(122)의 내면에는 반구형 돌기(124)가 형성된다. 파지레그(122)와 파지레그(122)에 형성된 반구형 돌기(124)에 의해 하부 실(120)은 밴죠(80)에 단단히 지지된다. Preferably, hemispherical protrusions 124 are formed on the inner surface of the grip leg 122. The lower seal 120 is firmly supported by the banjo 80 by the grip leg 122 and the hemispherical protrusion 124 formed on the grip leg 122.

보다 바람직하게는 밴죠(80)의 외주면에 파지레그(122)에 형성된 반구형 돌기(124)의 형상에 조응하는 반구홈(85)이 둘레를 따라 형성되어 있다. More preferably, a hemispherical groove 85 corresponding to the shape of the hemispherical protrusion 124 formed on the grip leg 122 is formed along the circumference of the banjo 80.

이와 같은 구성의 하부 실(120)은 밴죠(80)의 하측으로 장착되는 데, 반구홈(85)에 반구형 돌기(124)가 안착된 상태로 파지레그(122)가 밴죠(80)에 지지되므로, 하부 실(120)은 이동간 또는 조립시에 밴죠(80)로부터 이탈되지 않도록 단단히 고정된다. Since the lower seal 120 of the configuration is mounted to the lower side of the banjo 80, the grip leg 122 is supported by the banjo 80 in a state in which the hemispherical protrusion 124 is seated in the hemisphere groove 85. The lower seal 120 is firmly fixed so as not to be separated from the banjo 80 during movement or assembly.

오일펌프와 고압 호스를 연결하는 연결부 앗세이(100)에 있어서, 상부 실(110)은 아이볼트(40)와 밴죠(80) 사이에 장착되어 지지되므로, 이동 및 조립시에 이탈되지 않지만, 하부 실(120)은 작업자가 주위를 기울이지 않으면 이탈될 가능성이 높다. 본 발명에 따르면, 종래와 같이 하부 실을 연결바를 통해 상부 실에 부착형성시키지 않으면서도 밴죠(80)에서 이탈되는 것을 방지할 수 있게 되고, 상하부 실이 연결된 구조에서 나타나는 문제점인 상하부 실의 변형을 방지하여 오일펌프와 고압호스 연결부에서 누유를 방지할 수 있다. In the connection assembly 100 for connecting the oil pump and the high pressure hose, the upper seal 110 is mounted between the eyebolts 40 and the banjo 80 so that they are not detached during movement and assembly, The seal 120 is likely to be released if the worker does not pay attention. According to the present invention, it is possible to prevent the departure from the banjo 80 without forming the lower seal attached to the upper seal through the connecting bar as in the prior art, the deformation of the upper and lower seal which is a problem appearing in the structure connected to the upper and lower seals This prevents leakage of oil at the oil pump and high pressure hose connections.

본 발명은 다음과 같은 이점이 있다. The present invention has the following advantages.

첫째, 상하부실이 연결바를 통해 연결되지 않으므로, 종래의 오일 실의 조립 토크에 의해 단락유도부가 절손되지 않고 변형됨으로써 실 형상이 변형되어 누유가 발생하는 문제점을 해결할 수 있다.First, since the upper and lower seals are not connected through the connecting bar, the short-circuit induction part is deformed without being broken by the assembly torque of the conventional oil seal, and thus the seal shape is deformed and oil leakage may be solved.

둘째, 하부 실이 밴죠에 결합된 상태로 이송 및 조립됨으로 조립시 또는 이동간에 하부실이 이탈되는 것을 방지할 수 있다. Second, the lower seal is transported and assembled in a state coupled to the banjo to prevent the lower seal from being separated during assembly or movement.

셋째, 오일 실의 생산공정에서 단락유도부의 치수관리의 어려움이 해소되고, 단락유도부 절손 등으로 인해 불량이 발생하는 것을 해결할 수 있어 오일 실의 생산성이 향상된다. Third, in the production process of the oil seal, the difficulty of dimensional control of the short-circuit induction part can be solved, and defects can be solved due to short-circuit induction part loss, etc., thereby improving the oil seal productivity.

도 1 은 파워 스티어링 시스템의 오일펌프의 연결구조를 도시한 도면이다. 1 is a view showing the connection structure of the oil pump of the power steering system.

도 2 는 도 1 의 부분확대도이다. FIG. 2 is a partially enlarged view of FIG. 1.

도 3 은 종래의 오일 실 구조를 도시한 도면이다. 3 is a view showing a conventional oil seal structure.

도 4 는 본 발명에 따른 오일 실의 장착도이다. 4 is a mounting view of an oil seal according to the present invention.

도 5 는 도 4 의 분해 사시도이다. 5 is an exploded perspective view of FIG. 4.

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

40; 아이 볼트 80:밴죠40; Eye bolt 80: banjo

85: 반구홈 110: 상부 실85: hemisphere groove 110: upper thread

120: 하부 실 122: 파지레그120: lower thread 122: grip leg

124: 반구형 돌기 124: hemispherical protrusion

Claims (2)

오일 펌프와 프레져 호스의 연결부에서, 밴죠와 아이볼트 및 밴죠와 펌프 커넥터 사이에 장착되는 오일 실의 구조에 있어서, In the connection of the oil pump and the Fraser hose, in the structure of the oil seal mounted between the banjo and the eye bolt and the banjo and the pump connector, 와셔 형상의 상부 실과, The upper thread of the washer shape, 상기 상부 실과 분리 형성되며, 와셔 형상의 실 외주면에서 연장되어 상측으로 절곡형성된 파지레그를 구비하여, 상기 파지레그에 의해 상기 밴죠에 결합 지지되는 하부실로 이루어지는 것을 특징으로 하는 오일 실 구조.An oil seal structure, comprising: a lower thread formed separately from the upper thread and having a grip leg extending from a washer-shaped thread outer circumferential surface and bent upwards, the lower thread being coupled to and supported by the grip leg. 제 1 항에 있어서,The method of claim 1, 상기 하부실은 복수개의 파지레그를 구비하고, The lower chamber has a plurality of grip legs, 상기 파지레그의 상부 내측면에는 반구형 돌기가 형성되어, 상기 반구형 돌기가 상기 밴죠의 외주면 둘레를 따라 형성된 반구홈에 결합되는 것을 특징으로 하는 오일 실 구조. Hemispherical protrusions are formed on an upper inner surface of the grip leg, and the hemispherical protrusions are coupled to the hemispherical grooves formed along the outer circumference of the banjo.
KR10-2003-0057548A 2003-08-20 2003-08-20 Oil seal structure KR100516612B1 (en)

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KR100516612B1 KR100516612B1 (en) 2005-09-22

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009115724A2 (en) * 2008-03-20 2009-09-24 Renault S.A.S. Captive seal for banjo connector, and assembly including such banjo connector and such seal

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009115724A2 (en) * 2008-03-20 2009-09-24 Renault S.A.S. Captive seal for banjo connector, and assembly including such banjo connector and such seal
FR2928986A1 (en) * 2008-03-20 2009-09-25 Renault Sas IMPREGNABLE JOINT FOR BANJO FITTING AND ASSEMBLY HAVING BANJO FITTING AND SAME
WO2009115724A3 (en) * 2008-03-20 2009-12-03 Renault S.A.S. Captive seal for banjo connector, and assembly including such banjo connector and such seal

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