KR100803308B1 - Water pump driving structure of vehicle - Google Patents

Water pump driving structure of vehicle Download PDF

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Publication number
KR100803308B1
KR100803308B1 KR1020060115255A KR20060115255A KR100803308B1 KR 100803308 B1 KR100803308 B1 KR 100803308B1 KR 1020060115255 A KR1020060115255 A KR 1020060115255A KR 20060115255 A KR20060115255 A KR 20060115255A KR 100803308 B1 KR100803308 B1 KR 100803308B1
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KR
South Korea
Prior art keywords
water pump
gear
driven gear
vehicle
impeller
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KR1020060115255A
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Korean (ko)
Inventor
조광운
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기아자동차주식회사
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Priority to KR1020060115255A priority Critical patent/KR100803308B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F01P5/12—Pump-driving arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/24—Vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00—Applications
    • F01P2050/22—Motor-cars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven

Abstract

A water pump driving structure of a vehicle is provided to increase the flow of hot water circulating through a heater core by operating a water pump together with a blower motor during heating. A water pump driving structure of a vehicle includes a driving gear(28), a driven gear(42), and a control gear(50). The driving gear is arranged to rotate together with a blower motor of an air conditioning system. The driven gear is arranged to rotate together with an impeller(32) of a water pump disposed on an engine coolant circulation path. The control gear is mounted on a rod(60) so as to control the driving gear and the driven gear.

Description

자동차의 워터펌프 구동구조{Water pump driving structure of vehicle}Water pump driving structure of vehicle

도1은 본 발명에 따른 자동차의 워터펌프 구동구조를 나타낸 개략 구성도;1 is a schematic configuration diagram showing a water pump driving structure of a vehicle according to the present invention;

도2는 도1의 주요 부분에 대한 상세도;Figure 2 is a detailed view of the main part of Figure 1;

도3은 본 발명의 워터펌프 구동구조를 이루는 로드를 작동시키기 위한 구성을 나타낸 도면이다.3 is a view showing a configuration for operating the rod constituting the water pump drive structure of the present invention.

※도면의 주요부분에 대한 부호의 설명※※ Explanation of symbols about main part of drawing ※

20 : 블로워 모터 22 : 블로워 팬20: blower motor 22: blower fan

24 : 회전축 26 : 모터 하우징24: rotating shaft 26: motor housing

30 : 펌프 하우징 31 : 분리벽30 pump housing 31 separation wall

32 : 임펠러 34 : 회전지지축32: impeller 34: rotating support shaft

40 : 회전체 42 : 종동기어40: rotating body 42: driven gear

50 : 단속기어 52 : 스프링50: intermittent gear 52: spring

54 : 스토퍼 60 : 로드54: stopper 60: rod

70 : 도어 레버 72 : 작동돌기70: door lever 72: operation projection

D1, D2 : 히터파이프D1, D2: Heater Pipe

본 발명은 자동차의 워터펌프 구동구조에 관한 것으로서, 보다 상세하게는 워터펌프를 블로워 모터로 구동되게 한 자동차의 워터펌프 구동구조에 관한 것이다.The present invention relates to a water pump driving structure of an automobile, and more particularly, to a water pump driving structure of an automobile in which a water pump is driven by a blower motor.

대개의 자동차용 워터펌프는 일종의 임펠러 펌프로서 엔진의 앞쪽에서 크랭크 축 풀리와 벨트로 연결되어 회전 구동하여, 엔진 냉각수를 순환시키는 기능을 하게 된다.Most automotive water pumps are a type of impeller pump, which is connected to the crankshaft pulley and belt at the front of the engine and driven to rotate, thereby circulating the engine coolant.

그러나, 이러한 종래의 워터펌프는 엔진 정지시 냉각수 순환이 이루어지지 않는다.However, such a conventional water pump does not have a coolant circulation when the engine is stopped.

그런데, 하이브리드카에서는 아이들 스톱에 의해 엔진이 정지하는 경우가 발생하며, 이렇게 엔진이 정지하면 냉각수가 순환되지 않아 실내 난방이 불가능한 문제점을 갖는다.However, in a hybrid car, an engine stops due to an idle stop, and thus, when the engine is stopped, the cooling water is not circulated, which makes it impossible to heat the room.

따라서, 하이브리드카의 경우, 종래에는 아이들 스톱시 실내 난방을 위해 엔진룸에 별도의 전동식 워터펌프를 적용하거나, 난방을 위해 엔진을 작동시키는 구조를 채택하여 사용하고 있다.Therefore, in the case of a hybrid car, a conventional electric water pump is applied to the engine room for heating the room at idle stop, or a structure that operates the engine for heating is used.

그러나, 전자의 구조인 경우, 난방을 위해 엔진을 작동시키면 하이브리드카의 목적인 연비향상을 방해하여 바람직하지 않다.However, in the case of the former structure, it is not preferable to operate the engine for heating because it hinders fuel efficiency improvement which is the purpose of the hybrid car.

그리고, 후자의 구조인 경우, 전동식 워터펌프의 장착을 위한 공간이 엔진룸에 구비되어야 하며, 게다가 별도의 컨트롤 유닛이 필요하므로, 원가 및 중량이 증가하는 문제점을 갖는다.In the latter structure, a space for mounting the electric water pump must be provided in the engine room, and since a separate control unit is required, the cost and weight are increased.

따라서, 본 발명은 종래의 문제점을 해결하기 위한 것으로서, 워터펌프를 블로워 모터로 구동되게 하는 간단한 구조에 의해 엔진 구동과 별도로 워터펌프가 가동될 수 있는 자동차의 워터펌프 구동구조를 제공하는 것을 그 목적으로 한다.Accordingly, an object of the present invention is to provide a water pump driving structure of an automobile in which the water pump can be driven separately from the engine driving by a simple structure that allows the water pump to be driven by a blower motor. It is done.

상기한 목적을 달성하기 위한 기술적인 구성으로서, 본 발명은, 엔진 냉각수의 이동 경로 상에 회전 가능하도록 배치된 워터펌프의 임펠러를 구동하기 위한 구조로서, 공조시스템을 이루는 블로워 모터와 함께 회전하도록 설치된 구동기어와, 엔진 냉각수의 순환 경로 상에 배치된 워터펌프의 임펠러와 함께 회전하도록 설치된 종동기어와, 공조시스템의 온도 조절에 연동하여 이동하도록 연결된 로드에 장착되어 상기 구동기어와 종동기어를 단속하기 위한 단속기어를 포함하여 구성된 자동차의 워터펌프 구동구조를 특징으로 한다.As a technical configuration for achieving the above object, the present invention is a structure for driving the impeller of the water pump rotatably disposed on the movement path of the engine coolant, it is installed to rotate with the blower motor constituting the air conditioning system To control the drive gear and the driven gear mounted on a drive gear, a driven gear installed to rotate with the impeller of the water pump disposed on the circulation path of the engine coolant, and a rod connected to move in conjunction with the temperature control of the air conditioning system. Characterized in that the water pump drive structure of the vehicle including an intermittent gear for.

이하, 본 발명의 바람직한 일실시예를 첨부된 도면을 참조하여 보다 상세하게 설명하고자 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도1은 본 발명에 따른 자동차의 워터펌프 구동구조를 나타낸 개략 구성도이고, 도2는 도1의 주요 부분에 대한 상세도이다.1 is a schematic configuration diagram showing a water pump driving structure of an automobile according to the present invention, and FIG. 2 is a detailed view of the main part of FIG.

히터코어(10)와 에바코어(12)의 상부에 블로워 모터(20)가 배치된다.The blower motor 20 is disposed on the heater core 10 and the eva core 12.

이러한 블로워 모터(20)의 회전축(24)에는 블로워 팬(22)이 장착되며, 상기 회전축(24)은 모터 하우징(26)을 관통하여 외부로 돌출되도록 연장 형성된다. 그리고, 상기 회전축(24)의 외측 단부에는 베벨기어 형상의 구동기어(28)가 구비된다.The blower fan 22 is mounted to the rotary shaft 24 of the blower motor 20, and the rotary shaft 24 extends to protrude to the outside through the motor housing 26. A bevel gear-shaped drive gear 28 is provided at the outer end of the rotation shaft 24.

상기 모터 하우징(26)의 외측에는 펌프 하우징(30)이 고정 설치되며, 이 펌프 하우징(30)은 상기 구동기어(28)가 위치된 부위에 장착된다.The pump housing 30 is fixedly installed on the outer side of the motor housing 26, and the pump housing 30 is mounted at a portion where the drive gear 28 is located.

이러한 펌프 하우징(30)의 내부는 분리벽(31)에 의해 2개의 공간으로 분리되는바, 제1 공간(S1)은 상기 구동기어(28)가 위치되는 곳으로 펌프 하우징(30), 분리벽(31) 및 모터 하우징(26)에 의해 밀폐되며, 제2 공간(S2)은 히터파이프(D1)(D2)를 연결하도록 양쪽이 개방된다.The interior of the pump housing 30 is separated into two spaces by the separation wall 31, the first space (S1) is a place where the drive gear 28 is located, the pump housing 30, the separation wall Sealed by the 31 and the motor housing 26, the second space (S2) is open to both sides to connect the heater pipe (D1) (D2).

상기 펌프 하우징(30)의 내부에 형성된 제2 공간(S1)에는 회전지지축(34)을 매개로 워터펌프의 임펠러(32)가 회전 가능하게 장착되며, 상기 회전지지축(34)은 상기 분리벽(31)에 장착된다. 상기 임펠러(32)의 회전지지축(34)은 상기 블로워 모터(20)의 회전축(24)과 실질적으로 동축선상에 있도록 위치된다. 또한, 상기 임펠러(32)는 자석에 붙는 물질로 형성된다.The impeller 32 of the water pump is rotatably mounted in the second space S1 formed in the pump housing 30 through the rotation support shaft 34, and the rotation support shaft 34 is separated from the rotation support shaft 34. It is mounted on the wall 31. The rotary support shaft 34 of the impeller 32 is positioned to be substantially coaxial with the rotary shaft 24 of the blower motor 20. In addition, the impeller 32 is formed of a material attached to the magnet.

그리고, 상기 제1 공간(S1)에는 영구자석으로 형성된 회전체(40)가 상기 분리벽(31)에 회전 가능하게 설치되며, 이 회전체(40)가 회전하는 중심을 이루는 회전 중심선은 상기 회전축(24) 및 회전지지축(34)과 실질적으로 동축선상에 있도록 설정된다.In the first space S1, a rotor 40 formed of a permanent magnet is rotatably installed on the separation wall 31, and a rotation center line forming the center of rotation of the rotor 40 is the rotation shaft. And 24 are substantially coaxial with the rotational support shaft 34.

상기 회전체(40)에는 상기 구동기어(28)와 마주하면서 소정 거리 떨어져 배치되도록 설치되는 베벨기어 형상의 종동기어(36)가 형성되며, 상기 구동기어(28)와 종동기어(36)는 베벨기어 형상의 단속기어(40)에 의해 서로 연결되거나 분리된다.The rotating body 40 is formed with a bevel gear-shaped driven gear 36 which is installed to be disposed at a predetermined distance away from the drive gear 28, the drive gear 28 and the driven gear 36 is a bevel The gear-shaped intermittent gears 40 are connected or separated from each other.

그리고, 상기 연결기어(50)는 상기 펌프 하우징(30)을 관통하여 외부로 연장 형성된 로드(60)에 회전 가능하게 장착되며, 상기 로드(60)는 스프링(52)에 의해 단속기어(50)가 구동기어(28)와 종동기어(42)로부터 분리되는 방향으로 탄성력을 제공받는다. 미설명부호 54는 상기 로드(60)에 형성되어 스프링(52)을 지지하는 지지부재를 나타낸다.In addition, the connecting gear 50 is rotatably mounted to the rod 60 extending through the pump housing 30 to the outside, and the rod 60 is intermittent gear 50 by a spring 52. Is provided with an elastic force in a direction separating from the drive gear 28 and the driven gear 42. Reference numeral 54 denotes a support member formed on the rod 60 to support the spring 52.

또한, 상기 로드(60)는 도3에 도시된 것처럼 온도 조절시 회전되도록 설치되는 도어 레버(70)에 연결되는바, 상기 로드(60)의 단부는 도어 레버(70)의 외경부위에 근접하게 위치되고, 상기 도어 레버(70)의 선택된 부위에는 그 도어 레버(70)의 외경보다 외측으로 돌출 형성된 작동돌기(72)가 형성됨으로써 도어 레버(70)의 회전 위치에 따라 상기 로드(60)가 상승할 수 있도록 구성된다.In addition, the rod 60 is connected to the door lever 70 that is installed to rotate when adjusting the temperature as shown in Figure 3, the end of the rod 60 is close to the outer diameter of the door lever 70 The rod 60 is positioned in the selected portion of the door lever 70 by forming an operation protrusion 72 protruding outward from the outer diameter of the door lever 70. Configured to ascend.

이하, 본 발명의 작용을 설명한다.The operation of the present invention will be described below.

사용자가 풀핫 모드(Full hot mode)를 선택하면 도어 레버(70)가 회전하여 작동돌기(72)가 로드(60)를 상부로 밀도록 그 로드(60)의 하단부에 위치된다.When the user selects a full hot mode, the door lever 70 is rotated so that the actuating protrusion 72 is positioned at the lower end of the rod 60 to push the rod 60 upward.

이렇게 작동돌기(72)에 의해 로드(60)가 상부로 이동하면, 그 로드(60)에 구비된 단속기어(50)가 구동기어(28)와 종동기어(42)를 연결시킨다.When the rod 60 moves upward by the actuating protrusion 72, the intermittent gear 50 provided in the rod 60 connects the drive gear 28 and the driven gear 42.

따라서, 블로워 모터(20)의 회전축(24)의 회전이 구동기어(28)와 단속기어(50)를 통해 종동기어(42)에 전달되어 회전체(40)가 회전된다.Therefore, the rotation of the rotary shaft 24 of the blower motor 20 is transmitted to the driven gear 42 through the drive gear 28 and the intermittent gear 50 to rotate the rotating body 40.

이와 같이 회전체(40)가 회전되면, 그 회전체(40)의 자력에 의해 임펠러(32)도 회전한다.When the rotating body 40 rotates in this way, the impeller 32 also rotates by the magnetic force of the rotating body 40.

반대로, 사용자가 풀핫 모드 이외의 것을 선택하면 작동돌기(72)가 로드(60)의 하단부에서 이탈하며, 로드(60)는 스프링(52)의 탄성복원력에 의해 하강하며, 로드(60)에 구비된 단속기어(50)가 하강하여 구동기어(28)와 종동기어(42)를 분리시킨다.On the contrary, when the user selects something other than the full hot mode, the operation protrusion 72 is separated from the lower end of the rod 60, and the rod 60 is lowered by the elastic restoring force of the spring 52, and is provided on the rod 60. Intermittent gear 50 descends to separate drive gear 28 and driven gear 42.

따라서, 블로워 모터(20)의 회전축(24)의 회전은 임펠러(32)에 전달되지 않아 임펠러(32)가 회전하지 않는다.Therefore, the rotation of the rotary shaft 24 of the blower motor 20 is not transmitted to the impeller 32 so that the impeller 32 does not rotate.

물론, 사용자가 난방을 더 필요로 하는 경우, 블로워 모터의 회전수를 증가시키면 워터펌프의 회전수가 증가되어 온수 유량이 증가된다.Of course, if the user needs more heating, increasing the rotation speed of the blower motor increases the rotation speed of the water pump to increase the hot water flow rate.

상술한 바와 같이 본 발명에 따른 자동차의 워터펌프 구동구조에 의하면, 별도의 전동식 워터펌프를 엔진룸에 장착하지 않으면서 공조시스템을 이루는 블로워 모터의 회전축에 의해 구동되게 함으로서 난방시 블로워 모터와 함께 워터펌프가 작동하여 히터코어로 순환하는 온수 유량을 증대시킬 수 있다. 특히, 하이브리드차량의 경우, 엔진이 정지하여도 블로워 모터만 작동시키면 워터펌프가 작동하여 엔진의 잔열을 이용한 난방성능의 향상이 향상된다.According to the water pump drive structure of the vehicle according to the present invention as described above, the water is driven together with the blower motor during heating by being driven by the rotary shaft of the blower motor forming the air conditioning system without mounting a separate electric water pump in the engine room The pump can operate to increase the flow rate of hot water circulated to the heater core. In particular, in the case of a hybrid vehicle, even if the blower motor is operated even when the engine is stopped, the water pump is operated to improve the heating performance using the residual heat of the engine.

게다가, 워터펌프를 특정 시기, 즉 풀핫 모드시에만 작동될 수 있도록 설정하여 냉방시에는 워터펌프의 가동을 중단하여 냉방성능의 저하를 방지한다.In addition, the water pump is set to be operated only at a specific time, i.e., full hot mode, so that the water pump is stopped during cooling to prevent deterioration of cooling performance.

이와 같이 별도의 전동식 워터펌프가 채택될 필요가 없어 구조가 간단하며, 특히 전동식 워터펌프를 제어하기 위한 제어유닛이 불필요하다.As such, it is not necessary to adopt a separate electric water pump, so the structure is simple, and in particular, a control unit for controlling the electric water pump is unnecessary.

Claims (5)

엔진 냉각수의 이동 경로 상에 회전 가능하도록 배치된 워터펌프의 임펠러를 구동하기 위한 구조로서,A structure for driving the impeller of the water pump rotatably disposed on the movement path of the engine coolant, 공조시스템을 이루는 블로워 모터와 함께 회전하도록 설치된 구동기어(28)와,A drive gear 28 installed to rotate together with a blower motor forming an air conditioning system; 엔진 냉각수의 순환 경로 상에 배치된 워터펌프의 임펠러(32)와 함께 회전하도록 설치된 종동기어(42)와,A driven gear 42 installed to rotate with the impeller 32 of the water pump disposed on the circulation path of the engine coolant, 공조시스템의 온도 조절에 연동하여 이동하도록 연결된 로드(60)에 장착되어 상기 구동기어(28)와 종동기어(42)를 단속하기 위한 단속기어(50)를 포함하여 구성된 자동차의 워터펌프 구동구조.A water pump driving structure of a vehicle including an intermittent gear (50) for intermittently driving the drive gear (28) and the driven gear (42) mounted on a rod (60) connected to move in conjunction with temperature control of an air conditioning system. 제1항에 있어서, 상기 워터펌프의 임펠러(32)는 자석에 붙는 물질로 형성되며, 상기 구동기어(28)와 임펠러(32)의 사이에 영구자석으로 형성된 회전체(40)가 회전 가능하게 배치되며, 상기 종동기어(42)가 상기 회전체(40)에 설치됨을 특징으로 하는 자동차의 워터펌프 구동구조.According to claim 1, wherein the impeller 32 of the water pump is formed of a material that is attached to the magnet, the rotor 40 formed of a permanent magnet between the drive gear 28 and the impeller 32 is rotatable It is disposed, the driven gear 42 is a water pump drive structure of the vehicle, characterized in that installed in the rotating body (40). 제1항 또는 제2항에 있어서, 상기 구동기어(28)와 종동기어(42)는 베벨기어 형상을 갖도록 형성되어 서로 일정 거리 떨어져 마주하도록 배치되며, 상기 단속기어(50)는 상기 구동기어(28)와 종동기어(42)를 연결하기 위한 베벨기어 형상을 갖 도록 형성됨을 특징으로 하는 자동차의 워터펌프 구동구조.According to claim 1 or 2, wherein the drive gear 28 and the driven gear 42 is formed to have a bevel gear shape is arranged to face each other at a predetermined distance, the intermittent gear 50 is the drive gear ( 28) and the water pump drive structure of the vehicle, characterized in that it is formed to have a bevel gear shape for connecting the driven gear (42). 제1항 또는 제2항에 있어서, 상기 로드(60)는 스프링(52)에 의해 상기 단속기어(50)가 구동기어(28)와 종동기어(42)로부터 떨어지는 방향으로 탄성력을 가하도록 설치됨을 특징으로 하는 자동차의 워터펌프 구동구조.The method of claim 1 or 2, wherein the rod 60 is installed so that the intermittent gear 50 is applied by the spring 52 in the direction away from the drive gear 28 and the driven gear 42. A water pump drive structure of an automobile. 제1항 또는 제2항에 있어서, 상기 로드(60)는 온도 조절시 회전되는 도어 레버(70)의 외경부위에 근접하게 위치되도록 설치되며, 상기 도어 레버(70)의 선택된 부위에는 그 도어 레버(70)의 외경보다 외측으로 돌출 형성된 작동돌기(72)가 형성됨을 특징으로 하는 자동차의 워터펌프 구동구조.According to claim 1 or 2, wherein the rod 60 is installed so as to be located close to the outer diameter portion of the door lever 70 that is rotated when the temperature control, the door lever 70 in the selected portion of the door lever Water pump drive structure of the vehicle, characterized in that the operation projection 72 is formed to protrude outward from the outer diameter of (70).
KR1020060115255A 2006-11-21 2006-11-21 Water pump driving structure of vehicle KR100803308B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019131035A (en) * 2018-01-31 2019-08-08 ダイハツ工業株式会社 Vehicle heating system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04276138A (en) * 1991-03-01 1992-10-01 Mazda Motor Corp Auxiliaries driving device for engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04276138A (en) * 1991-03-01 1992-10-01 Mazda Motor Corp Auxiliaries driving device for engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019131035A (en) * 2018-01-31 2019-08-08 ダイハツ工業株式会社 Vehicle heating system

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