KR20120128749A - Plastic Water Pump Structure - Google Patents

Plastic Water Pump Structure Download PDF

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Publication number
KR20120128749A
KR20120128749A KR1020110046570A KR20110046570A KR20120128749A KR 20120128749 A KR20120128749 A KR 20120128749A KR 1020110046570 A KR1020110046570 A KR 1020110046570A KR 20110046570 A KR20110046570 A KR 20110046570A KR 20120128749 A KR20120128749 A KR 20120128749A
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KR
South Korea
Prior art keywords
insert
bearing
water pump
plastic
plastic water
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KR1020110046570A
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Korean (ko)
Inventor
오미선
Original Assignee
현대자동차주식회사
기아자동차주식회사
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Priority to KR1020110046570A priority Critical patent/KR20120128749A/en
Publication of KR20120128749A publication Critical patent/KR20120128749A/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00Pumping cooling-air or liquid coolants
    • F01P5/10Pumping liquid coolant; Arrangements of coolant pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00Applications
    • F01P2050/22Motor-cars
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/043Shafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/046Bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/406Casings; Connections of working fluid especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/10Metals, alloys or intermetallic compounds
    • F05D2300/12Light metals
    • F05D2300/121Aluminium
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/40Organic materials
    • F05D2300/43Synthetic polymers, e.g. plastics; Rubber

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PURPOSE: A structure of a plastic water pump is provided to stably mount a bearing body, and to secure the safety of a bearing inserted into an insert. CONSTITUTION: A structure of a plastic water pump comprises a body(1), an insert(3), a bearing(5), and an anti-separation unit. The body is made of plastic. The insert is integrally injected in the body. The bearing is inserted into the insert. The anti-separation unit is connected to the insert, and prevents s the bearing from becoming separated. A plurality of grooves(9) is formed on the outer periphery of the insert. The anti-separation unit comprises an anti-separation cap(11) installed in one end of the insert.

Description

플라스틱 워터펌프의 구조{Plastic Water Pump Structure}Plastic Water Pump Structure

본 발명은 차량 엔진의 워터펌프 구조에 관한 것으로서, 보다 상세하게는 바디가 플라스틱으로 이루어진 워터펌프의 베어링을 설치하는 구조에 관한 기술이다.The present invention relates to a water pump structure of a vehicle engine, and more particularly, to a structure for installing a bearing of a water pump made of a plastic body.

최근 차량은 연비의 향상을 위하여 각종 부품들의 경량화에 더욱 노력을 기울이고 있는 바, 엔진 냉각수를 순환시키는 워터펌프의 경우, 그 몸체를 이루는 바디를 플라스틱으로 형성하도록 하면 대폭적인 경량화가 가능할 것이다.
Recently, the vehicle has made more efforts to reduce the weight of various parts to improve fuel efficiency. In the case of the water pump for circulating the engine coolant, it will be possible to greatly reduce the weight of the body forming the body made of plastic.

도 1은 종래에 바디(500)가 알루미늄으로 이루어진 워터펌프의 구조가 단면도로 도시되어 있는 바, 알루미늄으로 이루어진 바디(500)에는 베어링(502)을 통해 펌프샤프트(504)가 장착되어 있다.
1 illustrates a structure of a water pump in which a body 500 is made of aluminum in a cross-sectional view, and a pump shaft 504 is mounted to a body 500 made of aluminum through a bearing 502.

상기 펌프샤프트(504)는 상기 바디(500)에 대하여 고속으로 회전하게 되므로, 그 회전 상태를 안정적으로 확보하도록 하기 위하여 상기 베어링(502)이 펌프샤프트(504)와 바디(500) 사이에 개재되는 것이다.
The pump shaft 504 is rotated at a high speed with respect to the body 500, so that the bearing 502 is interposed between the pump shaft 504 and the body 500 in order to ensure a stable rotation state of the pump shaft 504 will be.

상기한 바와 같은 워터펌프에서 상기 바디(500)를 알루미늄 대신 플라스틱으로 대체하면, 워터펌프의 중량은 상당량 줄어들게 되어 차량의 연비 향상에 기여할 수 있다.
In the water pump as described above, if the body 500 is replaced with plastic instead of aluminum, the weight of the water pump is considerably reduced, which may contribute to improving fuel efficiency of the vehicle.

그런데, 상기 바디(500)가 플라스틱으로 이루어진 경우, 상기 바디(500)에 베어링(502)을 직접 압입하여 설치하기에는, 상기 바디(500)의 기계적 강도 및 정밀도가 충분히 확보되기 어려운 단점이 있다.However, when the body 500 is made of plastic, it is difficult to sufficiently secure the mechanical strength and precision of the body 500 to directly press-install the bearing 502 to the body 500.

본 발명은 상기한 바와 같은 상황을 고려하여 안출된 것으로서, 플라스틱으로 이루어진 바디 내에 펌프샤프트의 회전을 지지하기 위해 장착되는 베어링을 비교적 용이한 방법으로 보다 안정적이고 정밀도 있게 장착할 수 있도록 함으로써, 워터펌프의 경량화는 물론, 그 내구성과 품질의 안정성을 확보할 수 있도록 한 플라스틱 워터펌프의 구조를 제공함에 그 목적이 있다.The present invention has been made in view of the above situation, by allowing the bearing mounted to support the rotation of the pump shaft in the body made of plastic to be mounted in a relatively easy way more stable and accurate, water pump The purpose of the present invention is to provide a structure of a plastic water pump that is capable of lightening the weight, as well as ensuring durability and stability of quality.

상기한 바와 같은 목적을 달성하기 위한 본 발명 플라스틱 워터펌프의 구조는The structure of the plastic water pump of the present invention for achieving the above object is

플라스틱으로 이루어진 바디와;A body made of plastic;

상기 바디에 일체로 동시 사출되는 인서트와;An insert simultaneously integrally injected into the body;

상기 인서트의 내경부에 삽입되는 베어링과;A bearing inserted into an inner diameter portion of the insert;

상기 인서트에 결합되어 상기 인서트 내부로 삽입된 베어링의 이탈을 방지하도록 구비된 이탈방지기구;A separation preventing mechanism coupled to the insert to prevent separation of the bearing inserted into the insert;

를 포함하여 구성된 것을 특징으로 한다.And a control unit.

본 발명은 플라스틱으로 이루어진 바디 내에 펌프샤프트의 회전을 지지하기 위해 장착되는 베어링을 비교적 용이한 방법으로 보다 안정적이고 정밀도 있게 장착할 수 있도록 함으로써, 워터펌프의 경량화는 물론, 그 내구성과 품질의 안정성을 확보할 수 있도록 한다.The present invention enables the bearing mounted to support the rotation of the pump shaft in the plastic body to be mounted more stably and accurately in a relatively easy way, thereby reducing the weight of the water pump, as well as its durability and stability of quality. To be secured.

도 1은 종래 기술에 의한 알루미늄 바디의 워터펌프 구조를 설명한 도면,
도 2는 본 발명에 따른 플라스틱 워터펌프의 구조를 설명한 도면이다.
1 is a view for explaining the water pump structure of the aluminum body according to the prior art,
2 is a view for explaining the structure of a plastic water pump according to the present invention.

도 2를 참조하면, 본 발명 실시예의 워터펌프는 플라스틱으로 이루어진 바디(1)와; 상기 바디(1)에 일체로 동시 사출되는 인서트(3)와; 상기 인서트(3)의 내경부에 삽입되는 베어링(5)과; 상기 인서트(3)에 결합되어 상기 인서트(3) 내부로 삽입된 베어링(5)의 이탈을 방지하도록 구비된 이탈방지기구를 포함하여 구성된다.
2, the water pump of the embodiment of the present invention and the body (1) made of plastic; An insert (3) integrally injected simultaneously with the body (1); A bearing 5 inserted into an inner diameter portion of the insert 3; It is configured to include a departure prevention mechanism coupled to the insert (3) provided to prevent the separation of the bearing (5) inserted into the insert (3).

즉, 펌프샤프트(7)의 회전을 지지하는 베어링(5)을 장착하기 위하여, 워터펌프의 몸체를 이루는 바디(1)의 플라스틱 사출시에 상기 인서트(3)를 일체로 사출하고, 상기 인서트(3)에 상기 베어링(5)을 삽입한 후 상기 이탈방지기구로 상기 베어링(5)의 장착상태를 보다 견고하게 유지할 수 있도록 한 것이다.That is, in order to mount the bearing 5 supporting the rotation of the pump shaft 7, the insert 3 is integrally injected during plastic injection of the body 1 constituting the body of the water pump, and the insert ( After inserting the bearing (5) in 3) it is to be able to more securely maintain the mounting state of the bearing (5) by the separation prevention mechanism.

특히, 상기 인서트(3)는 알루미늄 재질로 구성하여 스틸 재질로 인서트(3)를 구성하는 것보다 상대적으로 워터펌프의 중량을 더 저감할 수 있도록 하고 있다.
In particular, the insert (3) is made of an aluminum material so that the weight of the water pump can be further reduced than the insert (3) made of steel.

본 실시예에서, 상기 인서트(3)는 원통형상으로 형성되고 그 외주면에는 다수의 그루브(9)가 형성되며, 상기 이탈방지기구는 상기 인서트(3)의 일단부에 설치되는 이탈방지캡(11)으로 이루어진다.
In the present embodiment, the insert 3 is formed in a cylindrical shape and a plurality of grooves 9 are formed on the outer circumferential surface thereof, and the release preventing mechanism is a release preventing cap 11 installed at one end of the insert 3. )

상기 이탈방지캡(11)은 상기 인서트(3)에 결합되면서 상기 인서트(3)의 내부로 삽입된 베어링(5)의 단부를 지지하도록 형성되는 바, 상기 인서트(3)에 압입되도록 구성하거나 나사산을 구비하여 나사결합에 의해 결합이 이루어지도록 할 수도 있을 것이다.
The release preventing cap 11 is formed to support the end of the bearing (5) inserted into the insert (3) while being coupled to the insert (3), it is configured to be pressed into the insert (3) or threaded It may be provided to be coupled by a screw coupling.

한편, 상기 인서트(3)의 외주면에 형성된 그루브(9)는 도 2에 도시된 바와 같이 상기 인서트(3)가 지지하는 베어링(5)의 축방향을 따라 원호형 단면의 홈이 일정한 간격으로 다수 배치된 형상으로 형성되도록 하여, 상기 플라스틱 재질의 바디(1)와의 일체감을 더욱 향상시키도록 함으로써, 플라스틱 바디(1)와 인서트(3)의 강한 결합상태를 확보하여, 인서트(3)가 바디(1)로부터 이탈되거나 유격이 발생하는 등의 상황이 발생되지 않도록 한다.
On the other hand, the groove (9) formed on the outer peripheral surface of the insert (3) has a plurality of grooves of an arcuate cross section along the axial direction of the bearing (5) supported by the insert (3) at regular intervals The shape of the plastic body 1 and the insert 3 may be secured by inserting the formed body into a shape in which the plastic body 1 and the insert 3 are further improved. Do not take place such as deviation from 1) or play.

상기한 바와 같이 구성된 본 발명의 워터펌프는 상기 바디(1)가 플라스틱 재질로 이루어지고 나아가 상기 인서트(3)가 경금속인 알루미늄으로 형성됨에 따라 그 중량이 종래에 비하여 대폭적으로 저감되어 차량의 연비향상에 더욱 기여할 수 있으며, 상기 알루미늄인서트(3)의 상기 바디(1)에 대한 장착 안정성이 상기 인서트(3)의 그루브(9) 등에 의해 확보되고, 상기 인서트(3)에 삽입된 베어링(5)은 상기 이탈방지캡(11)에 의해 그 장착 안정성이 확보되는 바, 결과적으로 상기 베어링(5)의 바디(1)에 대한 안정되고 견고한 장착상태의 확보가 이루어지게 된다.
In the water pump of the present invention configured as described above, as the body 1 is made of a plastic material and the insert 3 is made of aluminum, which is a light metal, the weight thereof is drastically reduced compared to the conventional, thereby improving fuel efficiency of a vehicle. The bearing 5 inserted into the insert 3 can be further secured, and the mounting stability of the aluminum insert 3 with respect to the body 1 is ensured by the groove 9 of the insert 3 or the like. Since the mounting stability is secured by the release preventing cap 11, as a result, a stable and secure mounting state to the body 1 of the bearing 5 is achieved.

상기한 바와 같이 바디(1)에 대한 베어링(5)의 안정된 장착상태는 상기 베어링(5)에 의해 지지되는 펌프샤프트(7)의 안정적이고 부드러운 동작 특성의 형성이 가능하도록 함과 아울러 그 내구성이 향상되도록 함에도 기여하게 된다.As described above, the stable mounting state of the bearing 5 to the body 1 enables the formation of a stable and smooth operating characteristic of the pump shaft 7 supported by the bearing 5, as well as its durability. It also contributes to improvement.

1; 바디
3; 인서트
5; 베어링
7; 펌프샤프트
9; 그루브
11; 이탈방지캡
One; body
3; insert
5; bearing
7; Pump shaft
9; Groove
11; Breakaway Cap

Claims (4)

플라스틱으로 이루어진 바디(1)와;
상기 바디(1)에 일체로 동시 사출되는 인서트(3)와;
상기 인서트(3)의 내경부에 삽입되는 베어링(5)과;
상기 인서트(3)에 결합되어 상기 인서트(3) 내부로 삽입된 베어링(5)의 이탈을 방지하도록 구비된 이탈방지기구;
를 포함하여 구성된 것을 특징으로 하는 플라스틱 워터펌프의 구조.
A body 1 made of plastic;
An insert (3) integrally injected simultaneously with the body (1);
A bearing 5 inserted into an inner diameter portion of the insert 3;
A separation preventing mechanism coupled to the insert 3 and provided to prevent separation of the bearing 5 inserted into the insert 3;
Structure of a plastic water pump, characterized in that configured to include.
청구항 1에 있어서,
상기 인서트(3)의 외주면에는 다수의 그루브(9)가 형성되고;
상기 이탈방지기구는 상기 인서트(3)의 일단부에 설치되는 이탈방지캡(11)으로 이루어진 것
을 특징으로 하는 플라스틱 워터펌프의 구조.
The method according to claim 1,
A plurality of grooves 9 are formed on the outer circumferential surface of the insert 3;
The separation prevention mechanism is composed of a separation prevention cap 11 is installed on one end of the insert (3)
Structure of a plastic water pump, characterized in that.
청구항 2에 있어서,
상기 인서트(3)는 알루미늄 재질로 이루어지고, 원통형상의 외측면에 상기 다수의 그루브(9)가 형성된 구조이며;
상기 이탈방지캡(11)은 상기 인서트(3)에 결합되면서 상기 인서트(3)의 내부로 삽입된 베어링(5)의 단부를 지지하도록 형성된 것
을 특징으로 하는 플라스틱 워터펌프의 구조.
The method according to claim 2,
The insert (3) is made of aluminum and has a structure in which the plurality of grooves (9) are formed on a cylindrical outer surface;
The release preventing cap 11 is formed to support the end of the bearing (5) inserted into the insert (3) while being coupled to the insert (3)
Structure of a plastic water pump, characterized in that.
청구항 2에 있어서,
상기 인서트(3)의 외주면에 형성된 그루브(9)는 상기 인서트(3)가 지지하는 베어링(5)의 축방향을 따라 원호형 단면의 홈이 일정한 간격으로 다수 배치된 형상으로 형성되는 것
을 특징으로 하는 플라스틱 워터펌프의 구조.
The method according to claim 2,
The groove 9 formed on the outer circumferential surface of the insert 3 is formed in a shape in which a plurality of grooves of an arcuate cross section are arranged at regular intervals along the axial direction of the bearing 5 supported by the insert 3.
Structure of a plastic water pump, characterized in that.
KR1020110046570A 2011-05-18 2011-05-18 Plastic Water Pump Structure KR20120128749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
KR1020110046570A KR20120128749A (en) 2011-05-18 2011-05-18 Plastic Water Pump Structure

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200108738A (en) 2019-03-11 2020-09-21 (주)트라코월드 Front casing structure for chemical pump
KR20200108739A (en) 2019-03-11 2020-09-21 (주)트라코월드 Front casing for chemical pump having reinforced mouth ring portion and manufacturing method thereof
KR20200108737A (en) 2019-03-11 2020-09-21 (주)트라코월드 Front casing for chemical pump and manufacturing method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200108738A (en) 2019-03-11 2020-09-21 (주)트라코월드 Front casing structure for chemical pump
KR20200108739A (en) 2019-03-11 2020-09-21 (주)트라코월드 Front casing for chemical pump having reinforced mouth ring portion and manufacturing method thereof
KR20200108737A (en) 2019-03-11 2020-09-21 (주)트라코월드 Front casing for chemical pump and manufacturing method thereof

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