KR20010047806A - Connecting ASS'Y for steering gear box of car - Google Patents

Connecting ASS'Y for steering gear box of car Download PDF

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Publication number
KR20010047806A
KR20010047806A KR1019990052185A KR19990052185A KR20010047806A KR 20010047806 A KR20010047806 A KR 20010047806A KR 1019990052185 A KR1019990052185 A KR 1019990052185A KR 19990052185 A KR19990052185 A KR 19990052185A KR 20010047806 A KR20010047806 A KR 20010047806A
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KR
South Korea
Prior art keywords
bolt
bush
flange
vehicle body
fastening
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KR1019990052185A
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Korean (ko)
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KR100369295B1 (en
Inventor
양광호
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밍 루
주식회사 만도
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Priority to KR10-1999-0052185A priority Critical patent/KR100369295B1/en
Publication of KR20010047806A publication Critical patent/KR20010047806A/en
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Publication of KR100369295B1 publication Critical patent/KR100369295B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D3/00—Steering gears
    • B62D3/02—Steering gears mechanical
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • F16B43/001—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts for sealing or insulation
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02039—Gearboxes for particular applications

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Power Steering Mechanism (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

PURPOSE: A connecting structure for a steering gear box of a vehicle prevents the loosening of a bolt by making the structure of a bush integral with the bolt. CONSTITUTION: A bolt has a head portion(51) and a disk portion(52) integrally formed under the head portion(51). A buffering bush(53) of rubber material is formed by an insert molding, from under the disk portion(52) to the middle of the bolt. Thus, the assembling performance of the bolt is improved. Especially, the buffering bush(53) is interposed between the bolt and a flange(31), the flange(31) and a vehicle body(4) and the flange(31) and the disk portion(52). Thus, a buffering effect is maximized and the loosening of the bolt is prevented, thereby tightening the connecting state of the bolt.

Description

자동차의 스티어링 기어박스용 체결구조 {Connecting ASS'Y for steering gear box of car}Connecting structure for steering gear box of car {Connecting ASS'Y for steering gear box of car}

본 발명은 자동차의 스티어링 기어박스용 체결구조에 대한 것으로서, 더 상세하게는 차체에 스티어링 기어박스의 피니언 하우징을 체결 고정하되, 이때 사용하는 보울트 및 부시의 구조를 개량한데 특징이 있는 것이다.The present invention relates to a fastening structure for a steering gearbox of an automobile, and more particularly, to fasten and fix the pinion housing of the steering gearbox to a vehicle body, which is characterized by improving the structure of the bolt and the bush used.

일반적으로 자동차의 조향장치는 도 1에서 보는 바와 같이 조향축(1)과 랙바(2)가 스티어링 기어박스 즉, 피니언 하우징(3)의 내부에서 랙과 피니언(도시하지 않았음)으로 치합되어 있어 조향핸들을 돌렸을 때, 조향배력장치에 의해 랙바(2)가 좌, 우 이송되어 차륜의 방향을 조절할 수 있도록 되어 있다.In general, as shown in FIG. 1, a steering device of a vehicle includes a steering shaft 1 and a rack bar 2 engaged with a rack and a pinion (not shown) inside a steering gearbox, that is, the pinion housing 3. When the steering wheel is turned, the rack bar 2 is moved left and right by the steering power booster to adjust the direction of the wheel.

그리고 상기와 같은 피니언 하우징(3)은 그 플랜지(31)를 이용하여 차체에 견고히 고정하여야 하며, 이를 위한 종래의 일반적인 고정 구조는 도 2 및 도 3에서 보는 바와 같다.And the pinion housing 3 as described above should be firmly fixed to the vehicle body using the flange 31, a conventional general fixing structure for this is as shown in Figs.

즉, 차체(4)측에는 너트(6)를 용접고정하여 두고, 피니언 하우징(3)의 플랜지(31)의 통공(32)에는 부시(57)를 끼워 넣은 후, 그 위로 평판와셔(58)를 개입시키면서 상기한 부시(57) 중앙으로 보울트(5)를 끼워 체결하는 것이다.That is, the nut 6 is welded and fixed to the vehicle body 4 side, the bush 57 is inserted into the through hole 32 of the flange 31 of the pinion housing 3, and then the plate washer 58 is placed thereon. The bolt 5 is inserted into the center of the bush 57 while being intervened.

이때, 상기한 부시(57)는 진동 및 충격을 흡수시킬 목적으로 사용하는 바, 스틸재질의 원통체(57a)와, 그 외주면에 감합성형한 완충고무(57b)로 이루어져 있다.At this time, the bush 57 is used for the purpose of absorbing vibration and shock, it is made of a cylindrical body (57a) of steel material and the buffer rubber (57b) molded on the outer peripheral surface.

그러나 상기와 같은 종래의 체결구조에서는 완충고무(57b)의 내부 중앙으로 스틸 원통체(57a)가 있기 때문에 충분한 완충효과를 얻을 수 없을 뿐만 아니라 차체와, 원통체와, 평판와셔와, 보울트가 모두 금속면끼리 접촉하기 때문에 진동 및 충격에 의해 보울트가 풀려 부시가 이탈되는 예가 있으며, 부품이 많고 조립작업이 번거롭기 때문에 생산성이 떨어지고, 제조 원가가 높아지는 단점이 있다.However, in the conventional fastening structure as described above, since there is a steel cylindrical body 57a at the inner center of the cushioning rubber 57b, not only a sufficient cushioning effect is obtained, but also the vehicle body, the cylindrical body, the flat plate washer, and the bolt are all. There is an example in which the bolt is released by vibration and impact due to contact between the metal surfaces and the bush is separated, and productivity is reduced and manufacturing costs are increased because there are many parts and assembly is cumbersome.

따라서 본 발명은 상기와 같은 종래의 문제점을 감안하여 이를 해결 보완하고자 안출한 것으로서, 발명의 주된 목적은 부시의 구조를 보울트와 일체가 되도록 개량하여 보울트의 풀림이 예방되도록 하는데 있으며, 또 한편으로는 완충기능이 향상되도록 하는데 있으며, 또 한편으로는 부품을 최소화 시키므로써 조립 생산성을 높이고, 제조 원가를 낮출 수 있도록 하는데 있다.Therefore, the present invention has been made in view of the conventional problems as described above to solve the complement, the main object of the invention is to improve the structure of the bush to be integral with the bolt to prevent loosening of the bolt, on the other hand To improve the cushioning function, on the other hand, to minimize the parts to increase the assembly productivity and to reduce the manufacturing cost.

이를 위한 특징적인 수단은 보울트 체결용 통공을 가진 차체에 부시 삽입용 통공을 가진 피니언 하우징의 플랜지를 보울트로써 체결하는 자동차용 스티어링 기어박스용 체결구조에 있어서, 상기한 보울트 체결용 통공과 부시 삽입용 통공을 일치시킨 상태에서 이들 통공으로 보울트를 삽입하되, 상기 보울트는 머리부와, 머리부의 아래에 일체로 형성된 원판부와 원판부의 아래에서 중단까지 인서트 성형된 고무재질의 완충부시로 구성하여, 완충부시가 부시 삽입용 통공에 위치되게 한 채, 끝단 나사부에 차체 반대쪽에서 너트를 나삽하여 체결 고정하는데 있는 것이다.A characteristic means for this is in a fastening structure for a steering gear box for a vehicle which fastens the flange of the pinion housing having a hole for inserting a bush to a vehicle body having a hole for fastening the bolt as a bolt, wherein the bolt for fastening hole and the bush for inserting the bolt Insert the bolts into these holes in a state where the holes are matched, wherein the bolts are composed of a head part, a disc part integrally formed under the head part, and a buffer bush of insert-molded rubber material from the bottom part of the disc part to the interruption. With the bush positioned in the bush insertion hole, the nut is screwed in by screwing the nut from the opposite side of the vehicle body.

도 1은 자동차의 스티어링 기어박스를 보인 예시도1 is an exemplary view showing a steering gearbox of a car

도 2는 도 1의 A-A선 단면도로서 종래의 체결구조도2 is a cross-sectional view taken along line A-A of FIG.

도 3은 도 2의 분해 단면도3 is an exploded cross-sectional view of FIG.

도 4는 본 발명의 체결구조를 보인 조립 단면도Figure 4 is an assembly cross-sectional view showing a fastening structure of the present invention

도 5는 본 발명의 체결구조를 보인 분해 단면도Figure 5 is an exploded cross-sectional view showing a fastening structure of the present invention

도 6은 도 5의 B-B선 단면도6 is a cross-sectional view taken along the line B-B of FIG.

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

1 : 조향축 2 : 랙바1: steering shaft 2: rack bar

3 : 피니언 하우징 4 : 차체3: pinion housing 4: body

5 : 보울트 6 : 너트5: bolt 6: nut

31 : 플랜지 32 : 통공31: flange 32: through hole

41 : 통공 51 : 머리부41: through hole 51: head

52 : 원판부 53 : 완충부시52: disc portion 53: buffer bush

54 : 돌기 55 : 끝단나사54: protrusion 55: end screw

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 4는 본 발명의 조립구조를 보인 단면도, 도 5는 본 발명의 분해 상태를 보인 단면도이다.4 is a cross-sectional view showing an assembly structure of the present invention, Figure 5 is a cross-sectional view showing an exploded state of the present invention.

본 발명의 특징은 도면에서 보듯이 보울트 체결용 통공(41)을 가진 차체(4)에 부시 삽입용 통공(32)을 가진 피니언 하우징(3)의 플랜지(31)를 보울트(5)로써 체결하되, 상기한 보울트 체결용 통공(41)과 부시 삽입용 통공(32)을 일치시킨 상태에서 이들 통공으로 새로운 보울트(5)를 삽입한다.A characteristic of the present invention is to fasten the flange 31 of the pinion housing 3 with the bush insertion hole 32 to the vehicle body 4 having the bolt fastening hole 41 as the bolt 5 as shown in the drawing. The new bolt 5 is inserted into these holes in a state where the above-described bolt fastening hole 41 and the bush inserting hole 32 coincide with each other.

새로운 보울트(5)는 도 5에서 보는 바와 같이 머리부(51)와, 머리부의 아래에 일체로 형성된 원판부(52)와 원판부의 아래에서 중단까지 인서트 성형방법으로 감합형성된 고무재질의 완충부시(53)로 구성한 것이며, 상기의 완충부시(53)가 부시 삽입용 통공(32)에 위치되게 한 채, 끝단 나사부(55)에는 차체 반대쪽에서 너트(6)를 나삽하여 체결하는 것이다.As shown in FIG. 5, the new bolt 5 is made of a rubber-type buffer bush fitted by the insert molding method from the head part 51, the disc part 52 integrally formed under the head part, and the bottom part of the disc part to the interruption. 53), while the above-mentioned buffer bush 53 is positioned in the bush insertion hole 32, the nut 6 is screwed into the end screw portion 55 from the opposite side to the vehicle body.

이때, 상기한 보울트(5)는 도 6에서 보는 바와 같이 그 외주면에 길이 방향의 돌기(54)를 다수 형성하여 인서트 성형방법으로 형성된 완충부시(53)가 보울트와 헛돌지 않도록 하는 것이 바람직하며, 또 완충부시(53)는 그 상단 및 하단에서 각각 상, 하 확장부(53a)(53b)를 형성하여 상기 확장부(53a)(53b)가 플랜지(31)와 원판부(52)의 사이에, 플랜지(31)와 차체(4)의 사이에 각각 개입되어 금속과 금속이 직접 접촉되지 않도록 하는 것이 좋다.At this time, it is preferable that the bolt 5 is formed with a plurality of protrusions 54 in the longitudinal direction on the outer circumferential surface thereof, so that the buffer bush 53 formed by the insert molding method does not run against the bolt. In addition, the buffer bush 53 forms upper and lower extensions 53a and 53b at the upper and lower ends thereof, so that the expansion parts 53a and 53b are disposed between the flange 31 and the disc part 52. It is preferable to intervene between the flange 31 and the vehicle body 4 so that the metal and the metal do not directly contact each other.

이와 같이 구성된 본 발명은 도 5에서 보는 바와 같이 차체(4)의 보울트 체결용 통공(41)과 피니언 하우징(3)의 플랜지(31)에 형성된 부시 삽입용 통공(32)을 나란히 맞춘 다음 새로운 보울트(5)를 상기의 통공(32)(41)들을 통해 끼워 넣어 체결하거나, 또는 보울트(5)의 완충부시(53) 부분을 플랜지(31)의 부시 삽입용 통공(32)에 먼저 끼워 넣은 후, 차체(4)의 통공(41)에 끼워 체결할 수 있다.As shown in FIG. 5, the present invention configured as described above fits the bore fastening hole 41 of the vehicle body 4 and the bush insertion hole 32 formed in the flange 31 of the pinion housing 3 side by side, and then a new bolt. (5) is inserted through the through holes 32 and 41, or the buffer bush 53 portion of the bolt 5 is first inserted into the bush insertion hole 32 of the flange 31, and then And the through hole 41 of the vehicle body 4 can be fastened.

이와 같이 체결하게 되면 완충부시(53)의 상측 확장부(53a)는 보울트(5)의 원판부(52)와 피니언 하우징(3)의 플랜지(31) 사이에 눌리면서 개입되고, 하측 확장부(53b)는 차체(4)와 피니언 하우징(3)의 플랜지(31) 사이에 개입되기 때문에 모든 부분이 금속과 금속이 만나는 것이 아니라 금속과 완충부시(53)가 만나게 된다.In this way, the upper expansion portion 53a of the buffer bush 53 is intervened while being pressed between the disc portion 52 of the bolt 5 and the flange 31 of the pinion housing 3, and the lower expansion portion 53b. ) Is interposed between the vehicle body 4 and the flange 31 of the pinion housing 3 so that not all of the parts meet the metal and the metal, but the metal and the buffer bush 53 meet.

따라서 본 발명의 보울트(5)는 완충부시(53)의 외경이 플랜지(31)의 부시 삽입용 통공(32)과 밀착된 채 만나고, 또 완충부시(53)의 내경은 보울트(5)의 외주면에 형성된 다수의 돌기(54)와 계합되어 있어 서로간에 헛도는 일이 없게 되므로 나사의 풀림이 예방된다.Therefore, the bolt 5 of the present invention meets the outer diameter of the buffer bush 53 in close contact with the bush insertion hole 32 of the flange 31, and the inner diameter of the buffer bush 53 is the outer peripheral surface of the bolt 5. It is engaged with a plurality of protrusions 54 formed in the grooves so that no loosening occurs between each other, so that loosening of the screws is prevented.

위에서 상세히 설명한 바와 같은 본 발명은 보울트(5)를 머리부(51)와, 머리부의 아래에 일체로 형성된 원판부(52)와 원판부의 아래에서 중단까지 인서트 성형된 고무재질의 완충부시(53)로 형성하여 하나의 부품화 하였기 때문에 조립성 및 생산성이 크게 향상될 수 있을 뿐만 아니라 제조 원가를 크게 절감할 수 있는 것이고, 특히 완충부시(53)가 보울트(5)와 플랜지(31), 플랜지(31)와 차체(4), 플랜지(31)와 원판부(52) 등의 사이에 모두 개입되기 때문에 완충효과가 극대화 됨은 물론 나사의 풀림이 예방되어 체결상태가 견고해 지는 장점이 있다.The present invention as described in detail above, the bolt 5, the head portion 51, the disc portion 52 integrally formed under the head portion and the buffer bush 53 of the rubber material insert-molded from the bottom of the disc portion to the interruption Since it is formed into a single part, not only the assembly and productivity can be greatly improved, but also the manufacturing cost can be greatly reduced. In particular, the cushioning bush 53 includes the bolt 5, the flange 31, and the flange ( 31) and the vehicle body 4, the flange 31 and the disc portion 52 because all intervening, the buffer effect is maximized, as well as the loosening of the screw is prevented there is an advantage that the tightening state.

Claims (3)

보울트 체결용 통공(41)을 가진 차체(4)에 부시 삽입용 통공(32)을 가진 피니언 하우징(3)의 플랜지(31)를 보울트(5)로써 체결하는 자동차용 스티어링 기어박스용 체결구조에 있어서,In the fastening structure for automobile steering gearbox which fastens the flange 31 of the pinion housing 3 with the bush insertion hole 32 to the vehicle body 4 having the through hole 41 for bolting with the bolt 5. In 상기한 보울트 체결용 통공(41)과 부시 삽입용 통공(32)을 일치시킨 상태에서 이들 통공으로 보울트를 삽입하되, 상기 보울트(5)는 머리부(51)와, 머리부의 아래에 일체로 형성된 원판부(52)와 원판부의 아래에서 중단까지 인서트 성형된 고무재질의 완충부시(53)로 구성하여, 완충부시(53)가 부시 삽입용 통공(32)에 위치되게 한 채, 끝단 나사부(55)에는 차체 반대쪽에서 너트(6)를 나삽하여 체결 고정함을 특징으로 하는 자동차의 스티어링 기어박스용 체결구조.The bolt is inserted into these holes in a state where the bolt fastening hole 41 and the bush insertion hole 32 are matched, but the bolt 5 is integrally formed under the head 51 and the head. Comprising the disc portion 52 and the buffer bush 53 of rubber material insert-molded from the bottom of the disc portion to the stop, the end screw portion 55 with the buffer bush 53 positioned in the bush insertion hole 32. ) Is a fastening structure for a steering gearbox of a vehicle, characterized in that the fastening by fastening the nut (6) from the opposite side of the vehicle body. 제 1 항에 있어서,The method of claim 1, 상기한 보울트(5)는 그 외주면에 길이 방향의 돌기(54)를 다수 형성하여 인서트 성형된 완충부시(53)가 헛돌지 않도록 하여서 된 것을 특징으로 하는 자동차의 스티어링 기어박스용 체결구조.The bolt (5) is a fastening structure for a steering gearbox of a vehicle, characterized in that the insert-shaped buffer bush (53) formed by forming a plurality of projections (54) in the longitudinal direction on the outer circumferential surface of the bolt. 제 1 항에 있어서,The method of claim 1, 상기한 보울트(5)의 완충부시(53)는 그 상단 및 하단에서 각각 확장부(53a)(53b)를 형성하여 상기 확장부(53a)(53b)가 플랜지(31)와 원판부(52)의 사이에, 플랜지(31)와 차체(4)의 사이에 각각 개입되어 직접접촉되지 않도록 하여서 된 것을 특징으로 하는 자동차의 스티어링 기어박스용 체결구조.The shock absorbing bush 53 of the bolt 5 forms expansion portions 53a and 53b at its upper and lower ends, respectively, so that the expansion portions 53a and 53b have a flange 31 and a disc portion 52. Between the flange 31 and the vehicle body (4) interposed between each other, so as not to be in direct contact with each other, the fastening structure for the steering gear box of the vehicle.
KR10-1999-0052185A 1999-11-23 1999-11-23 Connecting ASS'Y for steering gear box of car KR100369295B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111032481A (en) * 2017-08-09 2020-04-17 日立汽车系统株式会社 Steering device
JP2021004612A (en) * 2019-06-25 2021-01-14 Ykk Ap株式会社 Water stop screw

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101333655B1 (en) * 2009-06-16 2013-11-27 한국델파이주식회사 mounting grommet of steering gear device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02103875U (en) * 1989-02-03 1990-08-17
JP2560168Y2 (en) * 1991-04-08 1998-01-21 光洋精工株式会社 Steering device support structure
JPH09290761A (en) * 1996-04-25 1997-11-11 Honda Motor Co Ltd Mounting structure for steering gear box

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111032481A (en) * 2017-08-09 2020-04-17 日立汽车系统株式会社 Steering device
CN111032481B (en) * 2017-08-09 2023-04-07 日立安斯泰莫株式会社 Steering device
JP2021004612A (en) * 2019-06-25 2021-01-14 Ykk Ap株式会社 Water stop screw
JP7271332B2 (en) 2019-06-25 2023-05-11 Ykk Ap株式会社 water stop screw

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