KR20050079667A - Cap for use in a shock absorber - Google Patents

Cap for use in a shock absorber Download PDF

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Publication number
KR20050079667A
KR20050079667A KR1020040007594A KR20040007594A KR20050079667A KR 20050079667 A KR20050079667 A KR 20050079667A KR 1020040007594 A KR1020040007594 A KR 1020040007594A KR 20040007594 A KR20040007594 A KR 20040007594A KR 20050079667 A KR20050079667 A KR 20050079667A
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KR
South Korea
Prior art keywords
cap
shock absorber
bumper stopper
outer tube
hole
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KR1020040007594A
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Korean (ko)
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KR100837235B1 (en
Inventor
홍은표
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주식회사 만도
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Priority to KR1020040007594A priority Critical patent/KR100837235B1/en
Publication of KR20050079667A publication Critical patent/KR20050079667A/en
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Publication of KR100837235B1 publication Critical patent/KR100837235B1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/12—Apparatus, e.g. holders, therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/22—Ionisation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/11—Apparatus for controlling air treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/11—Apparatus for controlling air treatment
    • A61L2209/111—Sensor means, e.g. motion, brightness, scent, contaminant sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/13—Dispensing or storing means for active compounds
    • A61L2209/133—Replaceable cartridges, refills

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

본 발명은 차량용 쇽업소버(shock absorber)의 스틸캡(steel cap, 이하 "캡")에 관한 것이다.The present invention relates to a steel cap (hereinafter "cap") of a shock absorber for a vehicle.

본 발명은, 외부관의 상단에 고정 설치되고, 그 상면을 누르면서 고무재질의 범퍼스톱퍼가 압축되며, 중앙에 피스톤로드가 끼워지는 관통홀을 구비하고, 날개부의 상부에 이물질의 외부 배출을 위한 배출공이 둘레를 따라 다수개 형성된 쇽업소버의 캡에 있어서, 그 아래면에 자체 굽힘강도를 향상시키기 위한 보강돌출부를 일체 구비하는 것을 특징으로 한다.The present invention is fixed to the upper end of the outer tube, while pressing the upper surface of the bumper stopper of rubber material is compressed, having a through-hole through which the piston rod is fitted in the center, the discharge for the external discharge of foreign matter on the upper portion of the wing In the cap of the shock absorber formed a plurality of balls along the circumference, characterized in that it is provided with a reinforcement protrusion integrally to the bottom surface to improve its bending strength.

따라서, 종래와 동일한 자체 굽힘강도를 갖으면서도 범퍼스톱퍼와 고른 접촉을 이루는 캡이 제공되어, 범퍼스톱퍼의 내구성을 향상시킴으로써, 종국적으로 쇽업소버의 성능과 내구성을 향상시키는 효과가 있다.Accordingly, a cap having uniform bending contact with the bumper stopper while having the same self-bending strength as in the prior art is provided, thereby improving the durability of the bumper stopper, thereby improving the performance and durability of the shock absorber.

Description

쇽업소버의 캡{CAP FOR USE IN A SHOCK ABSORBER}CAP for USE IN A SHOCK ABSORBER}

본 발명은 차량용 쇽업소버(shock absorber)에서 외부관 상단에 고정 설치되는 캡(cap)에 관한 것으로써, 더욱 상세하게는 종래 범퍼스톱퍼와 접촉되는 상면상에 구비되었던 보강돌출부를 아래면상에 구비시킴으로써 종래와 동일한 자체 굽힘강도를 갖으면서도 범퍼스톱퍼와는 고른 접촉을 제공하여 범퍼스톱퍼의 내구성을 향상시키는 쇽업소버의 캡에 관한 것이다.The present invention relates to a cap (cap) fixed to the upper end of the outer tube in the shock absorber (vehicle shock absorber), more specifically by providing a reinforcement protrusion provided on the upper surface in contact with the bumper stopper in detail below It relates to a shock absorber cap having the same self-bending strength as in the prior art but providing even contact with the bumper stopper to improve the durability of the bumper stopper.

일반적으로, 도 1에 그 일예를 도시한 바와 같이, 쇽업소버(1)는 오일이 가득 채워지는 내부관(20)과, 그 외측으로 오일이 절반정도 채워지는 외부관(10), 그리고 일단은 내부관(20) 내측으로 삽입되고 타단은 외부관(10) 외측으로 연장되는 피스톤로드(30)를 구비한다.Generally, as shown in FIG. 1, the shock absorber 1 includes an inner tube 20 in which oil is filled, an outer tube 10 in which oil is half filled, and one end of the shock absorber 1. Inserted into the inner tube 20 and the other end has a piston rod 30 extending to the outer tube (10) outside.

외부관(10)은 밀폐된 중공관으로, 외부 하측에는 차축과 연결되는 하부브래킷(11)이 마련되는 한편, 피스톤로드(30)가 외부로 연장될 수 있도록 상단면의 중심축은 개구되어 있고, 그 내부에는 오일 누설을 방지하는 오일실(42)과 그 상단에 씌워져 결합되는 캡(60)이 구비된다. 오일실(42)의 하부에는 피스톤로드(30)를 지지 안내하는 로드가이드(40)가 위치하고, 로드가이드(40)의 하부로는 내부관(20)이 이어진다.The outer tube 10 is a closed hollow tube, the lower bracket 11 is connected to the axle at the outer lower side, while the central axis of the upper surface is opened so that the piston rod 30 can extend to the outside, The inside is provided with an oil chamber 42 to prevent the oil leakage and the cap 60 is covered on the top. A rod guide 40 supporting the piston rod 30 is positioned below the oil chamber 42, and an inner tube 20 is connected to the lower portion of the rod guide 40.

또한, 외부관(10)의 외부 상측에는 피스톤로드(30)의 상측 선단과 결합되어 이물질의 유입을 방지하는 더스트커버(13)가 설치되고, 더스트커버(13)의 내부에는 리바운드가 발생될 경우 더스트커버(13)와 외부관(10)의 부딪힘을 방지함과 동시에 충격 및 진동을 흡수할 수 있도록 고무재질의 범퍼스토퍼(50)가 구비되며, 외부 상측에는 차체와 결합되는 상부브래킷(14)이 마련된다.In addition, when the dust cover 13 is coupled to the upper end of the piston rod 30 to prevent the inflow of foreign substances, an outer upper side of the outer tube 10 is installed, and a rebound occurs in the dust cover 13. A rubber bumper stopper 50 is provided to prevent the dust cover 13 from colliding with the outer tube 10 and to absorb shock and vibration, and an upper bracket 14 coupled to the vehicle body at an outer upper side thereof. Is provided.

이와 같은 구성에서, 캡(60)은 차량의 풀 범프시 피스톤로드(30)가 하방향으로 이동되고, 그 이동이 클 경우 범퍼스토퍼(50)가 캡(60)의 상면을 누르게 되어, 하방향으로의 운동 제한과 동시에 하중을 지지하고 외부관(10) 상부의 오일실(42) 등의 실링부를 보호하기 위하여 외부관(10)에 압입되어 용접 등으로 고정 설치되는 것이다.In such a configuration, the cap 60 moves the piston rod 30 downward when the vehicle is fully bumped, and when the movement thereof is large, the bumper stopper 50 presses the upper surface of the cap 60, and thus the downward direction. In order to support the load at the same time as the movement limit and to protect the sealing portion of the oil chamber 42, such as the upper portion of the outer tube 10, it is pressed into the outer tube 10 is fixed by welding or the like.

도 2는 이러한 캡(60)을 도시한 (a) 평면도 및 (b) 단면도이다.2 is a (a) plan view and (b) cross-sectional view of such a cap 60. FIG.

중앙에는 피스톤로드(30)가 끼워지는 관통홀(62)이 구비되고, 날개부(67)의 상부에는 유입된 이물질을 외부로 배출시키기 위한 배출공(64)이 그 둘레를 따라 다수개 천공 형성되며, 그 상면(66)상에는 관통홀(62)의 주변 둘레와 이에 120°간격의 방사상으로 연결되는 보강돌출부(즉, 엠보)(68)가 일체 형성되어, 자체의 굽힘강도를 향상시키도록 되어 있다.In the center is provided with a through-hole 62 is fitted with a piston rod 30, the upper portion of the wing portion 67 is formed with a plurality of perforated discharge holes 64 for discharging the foreign matter introduced to the outside On the upper surface 66, a reinforcement protrusion (i.e., an emboss) 68 is formed integrally with the periphery of the through hole 62 and radially connected therewith, so as to improve its bending strength. have.

따라서, 상면(66)상의 보강돌출부(68)로 인해 범퍼스톱퍼(50)와의 접촉이 불안정하여, 범퍼스톱퍼(50)의 내구성을 해치게 되는데, 즉 캡(60)의 상면(66)상에 보강돌출부(68)가 일부 돌출되어 있음으로 해서 범퍼스톱퍼(50)와 캡(60)의 접촉면적이 평면일 때보다 줄어 들게 되고, 접촉면 형상이 고르지 못해, 범퍼스톱퍼(50)의 압축시 캡(60)의 보강돌출부(68)와 접촉하는 범퍼스톱퍼(50)의 하단부에 응력집중 현상이 발생됨으로써, 범퍼스톱퍼(50)의 내구성을 해치게 되는 것이다.Therefore, the contact with the bumper stopper 50 is unstable due to the reinforcement protrusion 68 on the upper surface 66, which impairs the durability of the bumper stopper 50, that is, the reinforcement protrusion on the upper surface 66 of the cap 60. Since the part 68 protrudes, the contact area of the bumper stopper 50 and the cap 60 becomes smaller than when it is flat, and the contact surface is uneven, and the cap 60 is compressed when the bumper stopper 50 is compressed. The stress concentration phenomenon occurs at the lower end of the bumper stopper 50 in contact with the reinforcement protrusion 68 of, thereby impairing the durability of the bumper stopper 50.

본 발명은 상기와 같은 제반 문제점을 해결하기 위하여 창안된 것으로써, 보강돌출부를 아래면에 구비하여 종래와 동일한 자체 굽힘강도를 갖으면서도 범퍼스톱퍼와는 고른 접촉을 제공하는 쇽업소버의 캡을 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems, to provide a shock absorber cap provided with a reinforcing protrusion on the bottom surface having the same bending strength as in the prior art, but provides even contact with the bumper stopper. The purpose is.

본 발명의 상기 목적과 여러가지 장점은 이 기술분야에 숙련된 사람들에 의해 첨부된 도면을 참조하여 아래에 기술되는 발명의 바람직한 실시예로부터 더욱 명확하게 될 것이다.The above objects and various advantages of the present invention will become more apparent from the preferred embodiments of the invention described below with reference to the accompanying drawings by those skilled in the art.

이하, 첨부된 도면을 참조로 본 발명의 바람직한 실시예를 상세히 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 3은 본 발명에 따른 쇽업소버의 캡을 도시한 (a) 저면도 및 (b) 단면도이다.Figure 3 is a (a) bottom view and (b) cross-sectional view showing the cap of the shock absorber according to the present invention.

내부관(20)은 실린더 역할을 하는 중공의 원통관으로, 외부관(10)의 내측에 외부관(10)과 소정간격 이격되게 설치되며, 그 상측에는 피스톤로드(30)의 이동을 안내하도록 로드가이드(40)가 마련되고, 로드가이드(40)의 상부에는 오일의 누유를 막는 오일실(42)이 구비되며, 그 상부에 본 발명에 따른 캡(160)이 고정 설치되게 된다. 그리고, 외부관(10)의 외부 상측에는 피스톤로드(30)로의 이물질의 유입을 방지하는 더스트커버(13)가 설치되고, 더스트커버(13)내의 상부측에는 고무재질의 범퍼스톱퍼(50)가 설치되며, 범퍼스톱퍼(50)는 차량의 풀 범프시 캡(160)의 상면을 누르면서 압축된다.The inner tube 20 is a hollow cylindrical tube serving as a cylinder, is installed to be spaced apart from the outer tube 10 at a predetermined interval inside the outer tube 10, the upper side to guide the movement of the piston rod (30). A rod guide 40 is provided, and an oil chamber 42 for preventing leakage of oil is provided at an upper portion of the rod guide 40, and a cap 160 according to the present invention is fixedly installed thereon. In addition, a dust cover 13 is installed on an outer upper side of the outer tube 10 to prevent foreign substances from entering the piston rod 30, and a bumper stopper 50 made of rubber is provided on an upper side of the dust cover 13. The bumper stopper 50 is compressed while pressing the upper surface of the cap 160 when the vehicle is fully bumped.

전술한 캡(160)은 외부관(10)의 상단에 압입되어 고정 설치되는 것으로, 중앙에 피스톤로드(30)가 끼워지는 관통홀(162)이 구비되고, 날개부(167)의 상부에는 유입된 이물질을 외부로 배출시키기 위한 배출공(164)이 둘레를 따라 다수개 형성된다.The cap 160 is press-fitted to the upper end of the outer tube 10 and is fixedly installed. The cap 160 is provided with a through hole 162 into which the piston rod 30 is fitted, and the upper portion of the wing 167 is introduced. A plurality of discharge holes 164 for discharging the foreign substances to the outside are formed along the circumference.

본 발명에 따르면, 캡(160)의 아래면(165)상에 종래와 동일한 형태, 즉 관통홀(162)의 주변 둘레와 이에 120°간격의 방사상으로 연결되는 형태로 보강돌출부(168)가 일체 형성되어 자체의 굽힘강도를 향상시키게 된다.According to the present invention, the reinforcement protrusions 168 are integrally formed on the bottom surface 165 of the cap 160 in the same shape as that of the related art, ie, radially connected to the circumference of the through hole 162 and 120 ° apart. Formed to improve its bending strength.

여기서, 아래면(165)상에 일체 형성되는 보강돌출부(168)의 형태는 다른 형태로 구현 가능함은 물론이다.Here, the shape of the reinforcement protrusion 168 integrally formed on the lower surface 165 may be implemented in other forms.

이로써, 캡(160)의 외부 상면(166)은 거의 평면으로 되어 범퍼스톱퍼(50)와 접촉시 응력집중 개소를 만들지 않음으로써 범퍼스톱퍼(50)의 내구성을 향상시키게 된다.As a result, the outer top surface 166 of the cap 160 is substantially flat, thereby improving the durability of the bumper stopper 50 by not creating a stress concentration point in contact with the bumper stopper 50.

이상, 상기 내용은 본 발명의 바람직한 실시예를 단지 예시한 것으로 본 발명의 당업자는 본 발명의 요지를 변경시킴이 없이 본 발명에 대한 수정과 변경을 가할 수 있음을 인지해야 한다.As mentioned above, it should be noted that those skilled in the art can only make modifications and changes to the present invention without changing the gist of the present invention as it merely illustrates preferred embodiments of the present invention.

본 발명에 따르면, 종래와 동일한 자체 굽힘강도를 갖으면서도 범퍼스톱퍼와 고른 접촉을 이루는 캡이 제공되어, 범퍼스톱퍼의 내구성을 향상시킴으로써, 종국적으로 쇽업소버의 성능과 내구성을 향상시키는 효과가 있다.According to the present invention, the cap having uniform bending contact with the bumper stopper while having the same self-bending strength as in the prior art is provided, thereby improving the durability of the bumper stopper, thereby improving the performance and durability of the shock absorber.

도 1은 종래 쇽업소버의 일예를 도시한 단면도,1 is a cross-sectional view showing an example of a conventional shock absorber;

도 2는 종래 쇽업소버의 캡을 도시한 (a) 평면도 및 (b) 단면도,2 is a (a) plan view and (b) cross-sectional view showing a cap of a conventional shock absorber;

도 3은 본 발명에 따른 쇽업소버의 캡을 도시한 (a) 저면도 및 (b) 단면도이다.Figure 3 is a (a) bottom view and (b) cross-sectional view showing the cap of the shock absorber according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1 : 쇽업소버 10 : 외부관1: Shock absorber 10: External view

11 : 하부브래킷 13 : 더스트커버11: lower bracket 13: dust cover

14 : 상부브래킷 20 : 내부관14: upper bracket 20: inner tube

30 : 피스톤로드 40 : 로드가이드30: piston rod 40: rod guide

42 : 오일실 50 : 범퍼스토퍼42: oil seal 50: bumper stopper

60, 160 : 캡 62, 162 : 관통홀60, 160: cap 62, 162: through hole

64, 164 : 배출공 65, 165 : 아래면64, 164: discharge hole 65, 165: bottom

66, 166 : 상면 67, 167 : 날개부66, 166: upper surface 67, 167: wing portion

68, 168 : 보강돌출부68, 168 reinforcement protrusion

Claims (2)

외부관의 상단에 고정 설치되고, 그 상면을 누르면서 고무재질의 범퍼스톱퍼가 압축되며, 중앙에 피스톤로드가 끼워지는 관통홀을 구비하고, 날개부의 상부에 이물질의 외부 배출을 위한 배출공이 둘레를 따라 다수개 형성된 쇽업소버의 캡에 있어서,It is fixedly installed on the upper end of the outer tube, the rubber bumper stopper is pressed while pressing the upper surface thereof, and has a through hole through which a piston rod is fitted in the center, and an exhaust hole for external discharge of foreign substances in the upper part of the wing along the circumference. In the cap of the shock absorber formed a plurality of, 그 아래면에 자체 굽힘강도를 향상시키기 위한 보강돌출부를 일체 구비하는 것을 특징으로 하는 쇽업소버의 캡.The shock absorber cap, characterized in that it is provided with a reinforcing protrusion integrally to improve the bending strength of the lower surface. 제 1항에 있어서,The method of claim 1, 상기 보강돌출부는,The reinforcement protrusions, 상기 관통홀의 주변 둘레와 이에 120°간격의 방사상으로 연결되는 형상으로 구비되는 것을 특징으로 하는 쇽업소버의 캡.The cap of the shock absorber, characterized in that it is provided in a shape that is connected to the peripheral periphery of the through hole and radially spaced 120 degrees apart.
KR1020040007594A 2004-02-05 2004-02-05 Cap for use in a shock absorber KR100837235B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150082845A (en) * 2014-01-08 2015-07-16 주식회사 만도 Dust seal assembly of shock absorber
KR20150082846A (en) * 2014-01-08 2015-07-16 주식회사 만도 Dust seal assembly of shock absorber

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2528380Y2 (en) * 1989-03-15 1997-03-12 株式会社ユニシアジェックス Bump stopper structure of hydraulic shock absorber
JP4254984B2 (en) * 2000-01-11 2009-04-15 株式会社ショーワ Hydraulic shock absorber

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150082845A (en) * 2014-01-08 2015-07-16 주식회사 만도 Dust seal assembly of shock absorber
KR20150082846A (en) * 2014-01-08 2015-07-16 주식회사 만도 Dust seal assembly of shock absorber

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