KR20010034946A - Impulse absorption apparatus of pivot axis for wiper arm of car - Google Patents

Impulse absorption apparatus of pivot axis for wiper arm of car Download PDF

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Publication number
KR20010034946A
KR20010034946A KR1019990039300A KR19990039300A KR20010034946A KR 20010034946 A KR20010034946 A KR 20010034946A KR 1019990039300 A KR1019990039300 A KR 1019990039300A KR 19990039300 A KR19990039300 A KR 19990039300A KR 20010034946 A KR20010034946 A KR 20010034946A
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KR
South Korea
Prior art keywords
pivot shaft
wiper arm
shock absorbing
center
pivot
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Application number
KR1019990039300A
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Korean (ko)
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KR100326715B1 (en
Inventor
김봉회
Original Assignee
김민박,라이문트하이넨
주식회사 캄코
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Priority to KR1019990039300A priority Critical patent/KR100326715B1/en
Publication of KR20010034946A publication Critical patent/KR20010034946A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/0488—Wiper arrangement for crash protection or impact absorption
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/02—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together
    • F16F7/04—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together in the direction of the axis of rotation
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
    • F16F7/121—Vibration-dampers; Shock-absorbers using plastic deformation of members the members having a cellular, e.g. honeycomb, structure
    • F16F7/122—Vibration-dampers; Shock-absorbers using plastic deformation of members the members having a cellular, e.g. honeycomb, structure characterised by corrugations, e.g. of rolled corrugated material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/924—Coupled nut and bolt

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

PURPOSE: A shock absorber of a pivot shaft for a vehicle wiper arm is provided to absorb the shocks applied to the pivot shaft by a dustproof member and a shock absorbing member and reduce the pivot shaft for absorbing vibration in ordinary times. CONSTITUTION: A shock absorber of a pivot shaft for a vehicle wiper arm includes a pivot shaft(1) axially mounted with the head part of a wiper arm, fixed with a stop ring(12) at the center of an upper part and rotating by a link(11) connected to a lower end, a pivot housing(6) fitted with the pivot shaft in the center of an inside, supported by the stop ring and formed with a supporting piece(61) extended from the side of an outer peripheral surface and having a through hole(61a), a dustproof member(4) fitted into the through hole of the supporting piece and fixed with a corrugated pipe(51) at the center, and a shock absorbing member coupled by a bolt(7a) inserted into the dustproof member and a nut(7b) at a lower part and fixed on a vehicle body(31) at a lower end part, wherein the shock absorbing member absorbs the shocks applied in the longitudinal direction of the pivot shaft.

Description

자동차의 와이퍼 아암용 피봇축의 충격흡수장치{Impulse absorption apparatus of pivot axis for wiper arm of car}Impact absorption apparatus of pivot axis for wiper arm of car}

본 발명은 자동차의 와이퍼 아암용 피봇축의 충격흡수장치에 대한 것으로서, 더 상세하게는 인체가 충격되었을 때, 인체의 손상을 최대한 예방하기 위해 그 길이가 축소될 수 있도록 하는데 특징이 있는 것이다.The present invention relates to a shock absorbing device of a pivot shaft for a wiper arm of an automobile, and more particularly, when the human body is impacted, its length can be shortened to prevent damage to the human body as much as possible.

일반적으로 자동차용 와이퍼는 전방 유리창 또는 후방 유리창을 닦기 위한 기구로서, 전방 유리창의 경우 도 1에서 보는 바와 같이 유리창이 설치된 직하방에 모터(도시하지 않았음)와, 동력전달 링크(11) 등에 의해 회전 및 반전하는 피봇축(1)이 마련되어 있고, 이 피봇축(1)에 와이퍼 아암(2)의 헤드부(21)가 고정되어 함께 회전하도록 되어 있다.In general, an automobile wiper is a mechanism for wiping the front windshield or the rear windshield, and in the case of the front windshield, as shown in FIG. 1, a motor (not shown) and a power transmission link 11 or the like directly below the windshield are installed. The pivot shaft 1 which rotates and inverts is provided, and the head part 21 of the wiper arm 2 is fixed to this pivot shaft 1, and it rotates together.

한편, 근래에는 자동차가 인체와 충돌하였을 경우를 대비하여 상기와 같이 돌출된 피봇축(1)에도 충격흡수장치를 설치하기에 이르렀다.On the other hand, in recent years, in the case where the car collides with the human body, it came to install a shock absorbing device to the protruding pivot shaft (1) as described above.

즉, 차량의 정면쪽으로 인체에 부딪히게 되면 인체의 상반신이 차량의 후드판넬(3)위로 떨어지게 되고, 특히 머리부분이 상기의 피봇축(1) 위치에서 접촉하기 쉽상이기 때문에 충격흡수장치를 구비할 필요가 있는 것이다.That is, when hitting the human body toward the front of the vehicle, the upper body of the human body falls on the hood panel (3) of the vehicle, in particular, because the head portion is easy to contact at the position of the pivot shaft (1) to provide a shock absorbing device There is a need.

따라서 본 발명은 상기와 같은 종래의 문제점을 감안하여 이를 해결 보완하고자 안출한 것으로서, 발명의 주된 목적은 신체의 일부가 와이퍼 아암용 피봇축에 충격되었을 때, 피봇축의 높이가 줄어 들어 충격을 흡수할 수 있도록 하는데 있으며, 더 나가서 인체를 보호할 수 있도록 하고자 하는 것이다.Therefore, the present invention has been made in view of the above-mentioned conventional problems to solve the problem, the main object of the invention when the body part is impacted on the pivot axis for the wiper arm, the height of the pivot axis is reduced to absorb the shock It is to make it possible to go out and to protect the human body.

이를 위한 특징적인 수단은 상단에 와이퍼 아암의 헤드부를 체결한 후, 하단에 연결된 링크에 의해 회동이 가능하도록 하되, 상반부 중단에 스톱링이 고정된 피봇축, 상기 피봇축이 내부 중앙으로 끼워지며, 그 외주면 일측편에서 통공을 가진 채 연장된 지지편을 가지는 피봇 하우징, 상기한 지지편의 통공으로 끼우되, 중앙에 보강파이프가 끼워진 방진부재, 상기의 방진부재의 속으로 끼운 보울트와, 저면의 너트로써 체결하되, 그 하단을 차체 위에 얹어 고정하도록 한 충격흡수부재로 구성하는데 있다.A characteristic means for this is to fasten the head of the wiper arm to the top, and to be pivotable by a link connected to the bottom, but the pivot shaft is fixed to the stop of the upper half, the pivot shaft is fitted into the inner center, A pivot housing having a support piece extending from one side of the outer peripheral surface thereof with a hole therein, a dustproof member fitted into the hole of the support piece, a reinforcing pipe fitted in the center, a bolt inserted into the dustproof member, and a bottom nut By fastening, but the lower end is mounted on the body of the shock absorbing member to be configured.

도 1은 와이퍼 아암용 피봇축의 구성을 보인 단면도1 is a cross-sectional view showing the configuration of the pivot axis for the wiper arm

도 2는 본 발명의 구성을 보인 요부 단면도2 is a sectional view of the main parts showing the configuration of the present invention;

도 3은 본 발명의 작동 후 상태를 보인 요부 단면도Figure 3 is a cross-sectional view showing the main part after the operation of the present invention

〈도면의 주요 부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

1 : 피봇축 2 : 와이퍼 아암1: pivot axis 2: wiper arm

3 : 후드판넬 4 : 방진부재3: hood panel 4: dustproof member

5 : 충격흡수부재 6 : 피봇 하우징5: shock absorbing member 6: pivot housing

7a,7b : 보울트 너트 11 : 크랭크7a, 7b: bolt nut 11: crank

12 : 스톱링 21 : 헤드부12: stop ring 21: head

31 : 차체 41 : 파이프31: body 41: pipe

51 : 주름관부 52 : 나사구멍51: corrugated pipe portion 52: screw hole

53 : 상단면 61 : 지지편53: upper surface 61: support piece

이하 본 발명의 실시예에 따른 구성 및 작용을 첨부 도면에 따라 상세히 설명한다.Hereinafter, the configuration and operation according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명의 구성에 따른 요부 단면도이고, 도 3은 작동 후의 상태를 보인 단면도이다.Figure 2 is a cross-sectional view of the main part according to the configuration of the present invention, Figure 3 is a cross-sectional view showing a state after the operation.

도면에서 보듯이 차량용 와이퍼 구동장치는 와이퍼 아암(2)의 헤드부(21)가 피봇축(1)의 상단에 축착되며, 피봇축(1)은 상반부 중단에 스톱링(12)이 고정되어 있어, 이 스톱링(12)이 새로운 피봇 하우징(6)의 상단면에 얹히도록 설치된다.As shown in the drawing, in the vehicle wiper drive, the head portion 21 of the wiper arm 2 is fixed to the upper end of the pivot shaft 1, and the stop shaft 12 is fixed to the upper half of the pivot shaft 1. This stop ring 12 is installed to be placed on the top surface of the new pivot housing 6.

그리고 본 발명의 중요한 구성은 상기의 피봇 하우징(6)의 측편으로 돌출된 지지편(61)과 차체(31)의 사이에 설치된 충격흡수수단이다.An important configuration of the present invention is the shock absorbing means provided between the support piece 61 protruding to the side of the pivot housing 6 and the vehicle body 31.

충격흡수수단은 새로운 피봇 하우징(6)과, 방진부재(5)와, 충격흡수부재(4)로 이루어 지는 바, 피봇 하우징(6)은 상기 피봇축(1)이 내부 중앙으로 끼워지며, 그 외주면 일측편에서 통공(61a)을 가진 채 연장된 지지편(61)을 가진다. 또, 방진부재(5)는 고무재질로서, 상기 지지편(61)의 통공(61a)에 끼워 고정하되, 중앙에 보강 파이프(51)가 끼워지며, 이때의 보강 파이프(51)는 상단이 넓게 확장되여 상면을 덮고 있는 상태로 형성된 것이다.The shock absorbing means comprises a new pivot housing 6, a dustproof member 5, and a shock absorbing member 4, wherein the pivot housing 6 has the pivot shaft 1 fitted into the inner center thereof. It has a support piece 61 extended with the through-hole 61a in one side of an outer peripheral surface. In addition, the anti-vibration member 5 is a rubber material, and is fixed to the through-hole (61a) of the support piece 61, the reinforcement pipe 51 is fitted in the center, the reinforcement pipe 51 at this time is wide Expanded and formed to cover the top surface.

충격흡수부재(4)는 방진부재(5)의 밑에 체결하여 차체(31)와의 사이에 위치하도록 하되, 하단이 개방된 주름관부(51)로 형성되며, 그 상단면(53)에는 중앙에 나사구멍(52)이 형성되어 있는 것이다.The shock absorbing member 4 is fastened under the dustproof member 5 so as to be positioned between the vehicle body 31 and formed of a corrugated pipe part 51 having an open bottom, and a screw in the center of the upper surface 53. The hole 52 is formed.

이를 방진부재(5)의 밑에 체결할 때는 방진부재(5)의 보강 파이프(51)의 속으로 끼운 보울트(7a) 하단을 상단면(53)의 나사구멍(52) 아래까지 내려 오도록 끼운 후, 아래로부터 끼워 넣은 너트(7b)로써 체결한다.When fastening it under the dustproof member 5, the bottom of the bolt 7a inserted into the reinforcing pipe 51 of the dustproof member 5 is inserted so as to be lowered below the screw hole 52 of the upper surface 53, Tighten with the nut 7b inserted from below.

이와 같이 체결된 충격흡수부재(4)의 하단은 용접 등의 방법으로 차체(31)에 고정한다.The lower end of the shock absorbing member 4 fastened in this way is fixed to the vehicle body 31 by welding or the like.

이와 같이 구성된 본 발명은 외부의 충격이 피봇축(1)상에 작용하면 피봇축(1)이 아래로 눌리게 되고, 피봇축(1)의 상단에 고정된 스톱링(12)이 피봇 하우징(6)의 상단면을 누르며, 따라서 피봇 하우징(6)이 눌리면 지지편(61)과 차체(31)의 사이에 개입된 충격흡수부재(4)는 도 3에서 보는 바와 같이 주름을 따라 하측으로 소성변형이 발생하므로 소성변형되는 과정에서 충격을 흡수하게 되는 것이다.In the present invention configured as described above, when an external impact acts on the pivot shaft 1, the pivot shaft 1 is pressed downward, and the stop ring 12 fixed to the upper end of the pivot shaft 1 is pivoted. 6) the upper surface of the press, so that when the pivot housing 6 is pressed, the shock absorbing member 4 interposed between the support piece 61 and the vehicle body 31 is fired downward along the corrugation as shown in FIG. Since deformation occurs, shock is absorbed during plastic deformation.

위에서 상세히 설명한 바와 같은 본 발명은 전면 유리의 아랫부분에서 돌출되어 있는 와이퍼 아암용 피봇축(1)을 방진부재(5)와 충격흡수부재(4)를 이용하여 충격을 흡수하면서 길이가 줄어들 수 있도록 하였기 때문에 평상시 진동흡수가 가능하며, 인체가 부딪혔을 경우 완충효과를 얻을 수 있게 되는 것이다.As described in detail above, the present invention uses a dustproof member 5 and an impact absorbing member 4 to reduce the length of the pivot shaft 1 for the wiper arm protruding from the lower portion of the windshield while reducing the length thereof. Because it is possible to absorb vibration in normal times, when the human body is hit will be able to obtain a buffering effect.

Claims (2)

상단에 와이퍼 아암의 헤드부(21)를 체결한 후, 하단에 연결된 링크(11)에 의해 회동이 가능하도록 하되, 상반부 중단에 스톱링(12)이 고정된 피봇축(1);A pivot shaft (1) having a stop ring (12) fixed to the upper half of the stopper (12) after the fastening of the head portion (21) of the wiper arm to the upper end by a link (11) connected to the lower end thereof; 상기 피봇축(1)이 내부 중앙으로 끼워진 후, 스톱링(12)에 의해 받쳐지며, 그 외주면 일측편에서 통공(61a)을 가진 채 연장된 지지편(61)을 가지는 피봇 하우징(6);A pivot housing (6) supported by the stop ring (12) after the pivot shaft (1) is fitted into the inner center and having a support piece (61) extending with a through hole (61a) on one side of its outer circumferential surface; 상기한 지지편(61)의 통공(61a)으로 끼우되, 중앙에 보강파이프(51)가 끼워진 방진부재(5);An anti-vibration member (5) inserted into the through hole (61a) of the support piece (61), in which a reinforcing pipe (51) is inserted in the center; 상기의 방진부재(5)의 속으로 끼운 보울트(7a)와, 저면의 너트(7b)로써 체결하되, 그 하단이 차체(31) 위에 얹어 고정하도록 한 충격흡수부재(4)로 구성하여 피봇축(1)의 길이 방향으로 작용하는 충격에 대해 완충작용을 할 수 있도록 한 것을 특징으로 하는 자동차의 와이퍼 아암용 피봇축의 충격흡수장치.Pivot shaft composed of a shock absorbing member 4 which is fastened by the bolt 7a inserted into the dustproof member 5 and the nut 7b of the bottom surface, the lower end of which is fixed on the vehicle body 31. A shock absorbing device of a pivot shaft for a wiper arm of a vehicle, characterized in that the shock acting in the longitudinal direction of (1) is buffered. 제 1 항에 있어서,The method of claim 1, 상기한 충격흡수부재(4)는 하단이 개방된 주름관부(51)로 형성하되, 상단면에는 중앙에 나사구멍(52)을 형성하여서 된 것을 특징으로 하는 자동차의 와이퍼 아암용 피봇축의 충격흡수장치.The shock absorbing member 4 is formed of a corrugated pipe part 51 having an open lower end, and a shock absorbing device for a wiper arm pivot shaft of a vehicle, characterized in that a screw hole 52 is formed at the center of the upper end face. .
KR1019990039300A 1999-09-14 1999-09-14 Impulse absorption apparatus of pivot axis for wiper arm of car KR100326715B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020074727A (en) * 2001-03-21 2002-10-04 기아자동차주식회사 Absorptive structure for vehicle pivot holder
KR20030018373A (en) * 2001-08-28 2003-03-06 현대자동차주식회사 Pivot-shaft of wiper device to prevent damage of automobile
KR100941098B1 (en) * 2008-03-28 2010-02-10 현대자동차주식회사 Wiper mounting unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020074727A (en) * 2001-03-21 2002-10-04 기아자동차주식회사 Absorptive structure for vehicle pivot holder
KR20030018373A (en) * 2001-08-28 2003-03-06 현대자동차주식회사 Pivot-shaft of wiper device to prevent damage of automobile
KR100941098B1 (en) * 2008-03-28 2010-02-10 현대자동차주식회사 Wiper mounting unit

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