KR101083585B1 - Waterproof bearings for cart wheels - Google Patents

Waterproof bearings for cart wheels Download PDF

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Publication number
KR101083585B1
KR101083585B1 KR1020090027900A KR20090027900A KR101083585B1 KR 101083585 B1 KR101083585 B1 KR 101083585B1 KR 1020090027900 A KR1020090027900 A KR 1020090027900A KR 20090027900 A KR20090027900 A KR 20090027900A KR 101083585 B1 KR101083585 B1 KR 101083585B1
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KR
South Korea
Prior art keywords
bearing
waterproof
rotating shaft
rubber ring
needle
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Application number
KR1020090027900A
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Korean (ko)
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KR20100109327A (en
Inventor
김옥희
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최화수
김옥희
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Priority to KR1020090027900A priority Critical patent/KR101083585B1/en
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Publication of KR101083585B1 publication Critical patent/KR101083585B1/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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/762—Sealings of ball or roller bearings by means of a fluid
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/042—Housings for rolling element bearings for rotary movement
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00—Assembling bearings
    • F16C43/04—Assembling rolling-contact bearings
    • F16C43/045—Mounting or replacing seals
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/02—Wheel hubs or castors

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

본 발명은 손수레 바퀴용 방수 베어링에 관한 것으로 손수레 바퀴는 빗물이 들어가든지 수중에서 사용할 때에는 베어링이 부식이 되여 사용하기가 난이하여 회전축에 방수 고무링을 장착하여 베어링이 방수되게 구성된 것으로 방수 베어링의 하단 몸체의 전단에 베어링 고정홈을 다수개 성하여 니들 베어링 다수개을 삽입하고 원형의 니들 베어링들의 중앙에 바퀴 회전축을 삽입하고 바퀴 회전축 전방에 방수 고무링을 삽입하여 방수되게 구성되였다The present invention relates to a waterproof bearing for a wheelbarrow, the wheelbarrow wheels are difficult to use because the bearing is corroded when used in the rain or underwater, the waterproof rubber ring on the rotating shaft is configured to the bearing to be waterproof to the bottom of the waterproof bearing The bearing fixing groove was formed at the front end of the body to insert a plurality of needle bearings, the wheel rotating shaft was inserted at the center of the circular needle bearings, and the waterproof rubber ring was inserted at the front of the rotating shaft.

방수 베어링, 방수돌기, 방수 고무링, 베어링 카바, 니들 베어링. Waterproof bearing, waterproof projection, waterproof rubber ring, bearing cover, needle bearing.

Description

손수레 바퀴용 방수 베어링{omitted}Waterproof bearing for trolley wheels

본 발명은 손수레 바퀴용 방수 베어링에 관한 것으로 손수레는 공장용. 사업용 농업용 등이 사용되고 있는데 모든 손수레 바퀴의 베어링은 빗물이 들어가든지 수중에서 사용할 때에는 부식이 되여 사용하기가 난이하여 회전축에 방수 고무링을 장착하여 베어링이 방수되게 구성된 것이다The present invention relates to a waterproof bearing for a wheelbarrow for a wheelbarrow. It is used for business farming, and all the wheels of the wheelbarrow are made of waterproof rubber ring on the rotating shaft because it is difficult to use due to corrosion in rainwater or when used underwater.

일반적으로 사용되는 손수레는 일륜. 이륜 삼륜 손수레 등이 있고 상기 손수레들은 바퀴의 회전축에 베어링 하부가 장치된 베어링을 사용함으로 베어링 하부와 회전축 사이에서 누수가 되여 베어링이 부식되여 사용하지 못하게 됨으로 이를 해결하기 위하여 방수 고무링의 중앙에 방수돌기를 성형하여 베어링 하부의 역활을 대신하여 회전축으로 누수되지 않게 하여 방수가 되게 창안되였고 회전축에 니들 베어링이 직접 닿아서 회전되게 하는 것을 특징으로 한다.Commonly used handcarts are one wheel. There are two-wheeled three-wheeled carts, and the carts use a bearing equipped with a lower bearing on the rotating shaft of the wheels, which leaks between the lower bearing and the rotating shaft, which prevents the bearing from being corroded. It is designed to be waterproof to prevent the leakage to the rotating shaft in place of the role of the bearing by forming a projection, characterized in that the needle bearing is in direct contact with the rotating shaft to be rotated.

도 3에서 보는 바와 같이, 다수개의 니들 베어링(7)을 베어링 고정홈(8)에 삽입되게 하고, 니들 베어링(7)을 보호하기 위하여 철판으로 제조된 원통형의 베어링 카바(6)을 부착하여 니들 베어링(7)의 회전을 원활히 하고 니들 베어링(7)을 보호하는 것을 특징으로 한다As shown in FIG. 3, the needle bearing 7 is inserted into the bearing fixing groove 8, and the cylindrical bearing cover 6 made of steel plate is attached to the needle bearing 7 to protect the needle bearing 7. It is characterized by smoothing the rotation of the bearing (7) and protecting the needle bearing (7)

바퀴 회전축(11)에 방수 고무링(4)을 연질의 고무 등으로 제작하여 삽입함으로 누수가 방지되게 하고 특히 방수 고무링(4)의 전단에 방수돌기(5)을 성형하여 둠으로 누수를 완전하게 차단됨을 특징으로 한다The waterproof rubber ring (4) is made of soft rubber or the like to be inserted into the wheel rotating shaft (11) to prevent leakage. In particular, the waterproof protrusion (5) is formed at the front end of the waterproof rubber ring (4) to completely prevent leakage. Characterized by being blocked

상단 몸체(2)와 하단 몸체(3)는 성형이 용이한 합성수지로 성형하여 부식이 되지 않고 생산성이 높고 자재비가 저렴하다.The upper body (2) and the lower body (3) is formed of a synthetic resin that is easy to be molded, so that it is not corroded and has high productivity and low material cost.

본 발명의 방수 베어링(1)은 바퀴의 회전축(11)에 직접 닿아서 니들 베어링(7)이 회전됨으로 이에 회전축(11)과 니들 베어링(7) 사이에 누수가 되지 않게 하여 부식을 방지하고 베어링(7)이 원활하게 회전하기 위한 목적이다The waterproof bearing 1 of the present invention directly contacts the rotating shaft 11 of the wheel so that the needle bearing 7 is rotated, thereby preventing leakage between the rotating shaft 11 and the needle bearing 7 to prevent corrosion and bearing. (7) is for the purpose of rotating smoothly

상기와 같은 목적을 실현하기 위한 본 발명은 방수 베어링(1)의 상단 몸체(2)와 하단 몸체(3)를 합성수지로 사출 성형하여 제작하고 바퀴의 중앙 양측에 방수 베어링(1)을 각각 삽입하고 바퀴 회전축(11)의 끝단에 방수 고무링(4)이 장착되고 방수 고무링(4)의 전단에 방수돌기(5)에 의해 완전하게 누수가 방지되고 하단 몸체(3)의 전단에 성형된 베어링 고정홈(8)이 다수개가 원형으로 고정되고 베어링 고정홈(8)들에 니들 베어링(7)들을 삽입하고 니들 베어링(7)의 주위에 베어링 카바(6)을 장착하여 니들 베어링(7)들을 고정하고 니들 베어링(7)들의 중앙에 바퀴 회전축(11)을 삽입하고 바퀴 회전축(11)에 방수 고무링(4)을 삽입하여 누수를 방지하여 베어링의 부식을 막는다The present invention for realizing the above object is produced by injection molding the upper body (2) and the lower body (3) of the waterproof bearing (1) with a synthetic resin and inserting the waterproof bearing (1), respectively, on both sides of the center of the wheel and The bearing is formed at the front end of the lower body 3 by a waterproof rubber ring 4 mounted at the end of the wheel rotating shaft 11 and completely prevented from leaking by the waterproof protrusion 5 at the front end of the waterproof rubber ring 4. A plurality of fixing grooves 8 are fixed in a circular shape, the needle bearings 7 are inserted into the bearing fixing grooves 8, and the bearing cover 6 is mounted around the needle bearing 7 so that the needle bearings 7 are fixed. It is fixed and inserts the wheel rotating shaft (11) in the center of the needle bearings (7) and the waterproof rubber ring (4) is inserted into the wheel rotating shaft (11) to prevent leakage to prevent corrosion of the bearing

본 발명은 비닐 하우스 내에서나, 수분이 많은 곳에서 손수레를 사용시 베어링에 수분이 들어가지 않게 하여 손수레의 수명이 연장되고 방수 베어링(1)의 니들 베어링(7)이 바퀴 회전축(11)에 직접 닿아서 회전함으로 베어링 하브에 제작이 불필요하여 경제적이 효과가 있다In the present invention, when the cart is used in a plastic house or where there is a lot of moisture, the bearing does not enter the water so that the life of the cart is extended and the needle bearing 7 of the waterproof bearing 1 directly touches the wheel rotating shaft 11. It is economical because it does not need to be manufactured in the bearing hub by rotating it.

이하 첨부된 도면에 의하여 본 발명의 실시예의 구성을 상세히 설명하면 다음과 같다.Hereinafter, the configuration of an embodiment of the present invention with reference to the accompanying drawings in detail as follows.

도 1의 구성에서와 같이 손수레 바퀴 중앙의 양측면에 방수 베어링(1)이 각각 삽입되고 양측의 방수 베어링(1) 사이에 바퀴 회전축(11)이 삽입되여 회전되게 하고 바퀴 회전축(11)은 하단 몸체(3)에 성형된 베어링 고정홈(8)에 삽입된 니들 베어링(7)들의 중앙과 상단 몸체(2)에 삽입된 방수 고무링(4)의 중앙과 방수 고무링(4)에 전단에 방수돌기(5)의 중앙에 삽입되여 회전되게 하여 방수되게 한다.As shown in FIG. 1, the waterproof bearings 1 are respectively inserted into both sides of the center of the wheelbarrow wheels, and the wheel rotating shafts 11 are inserted between the waterproof bearings 1 on both sides to rotate, and the wheel rotating shafts 11 have a lower body. Waterproofing at the front end of the center of the needle bearings 7 inserted into the bearing fixing groove 8 formed in the 3 and the center of the waterproof rubber ring 4 inserted into the upper body 2 and the waterproof rubber ring 4 It is inserted into the center of the projection (5) to be rotated to be waterproof.

도 3, 4에서의 구성에서 보는 바와 같이 원통형의 하단 몸체(3)의 전단면에 오링 고정요홈(10)을 요설하고 오링(9)을 삽입하여 하단 몸체(3)와 상단 몸체(2) 사이에 방수가 되게 하고 하단 몸체(3)의 전단에 다수개의 니들 베어링( )들이 삽입되게 베어링 고정홈(8)을 돌출시켜 성형하고 베어링 고정홈(8)들에 니들 베어링(7)들을 삽입 장착하고, 이때에 베어링 고정홈(8)들은 회전축(11) 표면이 닿는 부분과 베어링 카바(6)가 닿는 부분은 노출되게 하여 니들 베어링(7)이 원활히 회전되게 하고As shown in the configuration in FIGS. 3 and 4, the O-ring fixing recess 10 is provided on the front end surface of the cylindrical lower body 3, and the O-ring 9 is inserted between the lower body 3 and the upper body 2. The bearing fixing grooves 8 are formed to be waterproof and the needle bearings 8 are inserted into the front end of the lower body 3, and the needle bearings 7 are inserted into the bearing fixing grooves 8, respectively. At this time, the bearing fixing grooves 8 expose the portion where the surface of the rotating shaft 11 touches and the portion where the bearing cover 6 touches so that the needle bearing 7 rotates smoothly.

도 5에서 보는 바와 같이 상단 몸체(2)의 내부에 방수 고무링(4)이 삽입되고 방수 고무링(4)의 전면에 방수돌기(5)가 돌출되어 있어 회전축(11)에서 누수되지 않게 한다As shown in FIG. 5, the waterproof rubber ring 4 is inserted into the upper body 2, and the waterproof protrusion 5 protrudes on the front surface of the waterproof rubber ring 4 to prevent leakage from the rotating shaft 11.

도 4의 구성에서 방수 베어링(1)을 조립해 보면 하단 몸체(3)의 전면에 오링 고정요홈(10)에 오링(9)을 삽입하고 베어링 고정홈(8)에 다수개의 니들 베어링(7)들을 삽입하고 니들 베어링(7)들의 외주에 베어링 카바(6)을 삽입 장착하고 베어링 카바(6)의 전면에 방수 고무링(4)을 삽입하고 방수 고무링(4)의 전단에 상단 몸체(2)가 삽입되고 상단 몸체(2)의 후단에 하단 몸체(3)가 치합되여 고정되고 그 중앙부에 바퀴 회전축(11)에 삽입되여 회전됨으로 바퀴 회전축(11)에 방수가 되게 구성되었다Assembling the waterproof bearing (1) in the configuration of Figure 4 inserts the O-ring (9) in the O-ring fixing groove 10 in the front of the lower body (3) and a plurality of needle bearings (7) in the bearing fixing groove (8) Insert the bearing cover (6) on the outer circumference of the needle bearings (7), insert the waterproof rubber ring (4) in front of the bearing cover (6), and the upper body (2) in front of the waterproof rubber ring (4). ) Is inserted into and fixed to the rear end of the upper body (2) by fitting the lower body (3) is inserted into the wheel rotating shaft (11) in the center portion is configured to be waterproof to the wheel rotating shaft (11).

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Claims (5)

손수레 바퀴의 방수 베어링에 있어서In waterproof bearing of cart wheel 손수레 바퀴 중앙 양측에 방수 베어링(1)이 각각 삽입되고 방수 베어링(1)들 사이에 바퀴 회전축(11)이 삽입되여 회전되게 하고 바퀴 회전축(11)에 삽입되는 하단 몸체(3)의 전단에 베어링 고정홈(8)들이 다수개가 원형으로 고정되고 베어링 고정홈(8)들에 니들 베어링(7)이 삽입되고 베어링 고정홈(8)의 외면에 베어링 카바(6)가 장착되여 니들 베어링(7)을 보호하고 바퀴 회전축(11)에 상단 몸체(2)가 삽입되고 상단 몸체(2)와 바퀴 회전축(11) 사이에 방수 고무링(4)이 삽입되고 방수 고무링(4)의 전단에 방수돌기(5)가 성형되여 바퀴 회전축(11)에서 방수가 되는 것을 특징으로 하는 방수 베어링Waterproof bearings (1) are inserted into both sides of the center of the wheelbarrow, and the wheel rotating shaft (11) is inserted and rotated between the waterproof bearings (1), and the bearing is placed in front of the lower body (3) inserted into the wheel rotating shaft (11). A plurality of fixing grooves 8 are fixed in a circular shape, a needle bearing 7 is inserted into the bearing fixing grooves 8, and a bearing cover 6 is mounted on the outer surface of the bearing fixing groove 8 so that the needle bearing 7 is mounted. The upper body (2) is inserted into the wheel rotating shaft (11), and the waterproof rubber ring (4) is inserted between the upper body (2) and the wheel rotating shaft (11), and the waterproof protrusion at the front end of the waterproof rubber ring (4). Waterproof bearing characterized in that the (5) is molded to be waterproof on the wheel rotation shaft (11) 제 1 항에 있어서 바퀴 회전축(11)과 상단 몸체(2) 사이에 방수돌기(5)가 성형된 방수 고무링(4)이 부착된 것을 특징으로 하는 방수 베어링The waterproof bearing according to claim 1, wherein a waterproof rubber ring (4) having a waterproof protrusion (5) is attached between the wheel rotating shaft (11) and the upper body (2). 제 1 항에 있어서 니들 베어링(7)들을 보호하기 위하여 하단 몸체(3)의 전단에 성형된 베어링 고정홈(8)들의 외면과 방수 고무링(4) 사이에 베어링 카바(6)가 부착된 것을 특징으로 하는 방수 베어링The bearing cover 6 is attached between the outer surface of the bearing fixing grooves 8 formed at the front end of the lower body 3 and the waterproof rubber ring 4 in order to protect the needle bearings 7. Waterproof bearing 제 1 항에 있어서 바퀴 회전축(11)은 니들 베어링(7)들의 중앙에 삽입되여 바퀴 회전축(11)의 표면에 직접 닿아서 니들 베어링(7)이 회전되는 것을 특징으로 하는 방수 베어링.The waterproof bearing according to claim 1, wherein the wheel rotating shaft (11) is inserted in the center of the needle bearings (7) so that the needle bearing (7) is rotated in direct contact with the surface of the wheel rotating shaft (11). 제 1 항에서 하단 몸체(3)과 상단 몸체(2)을 부식이 되지 않게 합성수지로 사출 성형하는 것을 특징으로 하는 방수 베어링Waterproof bearing characterized in that the injection molding the lower body (3) and the upper body (2) with a synthetic resin to prevent corrosion in claim 1
KR1020090027900A 2009-03-30 2009-03-30 Waterproof bearings for cart wheels KR101083585B1 (en)

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Publication number Priority date Publication date Assignee Title
CN104819213A (en) * 2015-04-24 2015-08-05 川源(中国)机械有限公司 Waterproof structure of bushing seat bearing of dewatering machine
CN109083931B (en) * 2018-09-13 2020-05-19 苏州驿力机车科技股份有限公司 Connecting structure of waterproof bearing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004017916A (en) 2002-06-10 2004-01-22 Hando Industrial Co Ltd Wheel bearing device
JP2005263150A (en) 2004-03-22 2005-09-29 Toyo Steel Kk Water-proof caster

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004017916A (en) 2002-06-10 2004-01-22 Hando Industrial Co Ltd Wheel bearing device
JP2005263150A (en) 2004-03-22 2005-09-29 Toyo Steel Kk Water-proof caster

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