CN204493214U - A kind of electronic water pump - Google Patents

A kind of electronic water pump Download PDF

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Publication number
CN204493214U
CN204493214U CN201520103973.8U CN201520103973U CN204493214U CN 204493214 U CN204493214 U CN 204493214U CN 201520103973 U CN201520103973 U CN 201520103973U CN 204493214 U CN204493214 U CN 204493214U
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CN
China
Prior art keywords
pump
water
cover
water pump
rotor
Prior art date
Application number
CN201520103973.8U
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Chinese (zh)
Inventor
胡培俊
周荣清
Original Assignee
常州市凯程精密汽车部件有限公司
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Publication date
Application filed by 常州市凯程精密汽车部件有限公司 filed Critical 常州市凯程精密汽车部件有限公司
Priority to CN201520103973.8U priority Critical patent/CN204493214U/en
Application granted granted Critical
Publication of CN204493214U publication Critical patent/CN204493214U/en

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Abstract

The utility model relates to a kind of electronic water pump, comprise pump case, rotor, stator, pump water impeller and control panel, there is in pump case the water pump pump hydroecium and rotor chamber that self arrange, rotor is positioned at rotor chamber, pump water impeller is positioned at water pump pump hydroecium, the mandrel driven pump waterleaf wheel pump water of rotor, water pump pump hydroecium is communicated with by multiple through hole around mandrel distribution with the top of rotor chamber, partial through holes is positioned at the pump water low pressure area near pump water impeller center, and partial through holes is positioned at the pump water zone of high pressure away from pump water impeller center.At the through hole of pump water zone of high pressure with produce pressure difference between the through hole of pump water low pressure area, this pressure difference drives the water in water pump pump hydroecium to enter rotor chamber from the through hole being positioned at pump water zone of high pressure, and flows out from the through hole being positioned at pump water low pressure area.The utility model forms circulating water by the pressure difference of fluid, cools, no longer need to get through hole on mandrel, reduce the overall volume of processing cost and product, improve yield rate water pump.

Description

A kind of electronic water pump

Technical field

The utility model relates to a kind of electronic water pump.

Background technique

Electronic water pump in the market normally beats the through hole run through at the center of mandrel, on the water pump pump hydroecium of wheel bottom, open hole simultaneously, during wing pump water, zone of high pressure is formed in wheel bottom and periphery, in the formation low pressure area, ingress of mandrel through hole, thus mineralization pressure is poor between the through hole and the through hole of mandrel of wheel bottom, forms current, the component such as the bearing in pump operation process, control panel are cooled.

But processing cost of boring a hole in mandrel is high, the wall thickness of mandrel is thinner, and process more difficult, yield rate is low, strengthens the wall thickness of mandrel, although can reduce difficulty of processing, can strengthen the overall volume of water pump.

Model utility content

Technical problem to be solved in the utility model is: provide a kind of electronic water pump, do not process through hole at needs in mandrel, while reduction water pump overall volume, reaches good cooling effect.

The utility model solves the technological scheme that its technical problem adopts: a kind of electronic water pump, comprise pump case, rotor, stator, pump water impeller and control panel, rotor, stator and pump water impeller are arranged in pump case, control panel drives stator to form magnetic field, rotor driven rotates, there is in pump case the water pump pump hydroecium and rotor chamber that self arrange, rotor is positioned at rotor chamber, pump water impeller is positioned at water pump pump hydroecium, the mandrel of rotor penetrates water pump pump hydroecium driven pump waterleaf wheel pump water, water pump pump hydroecium has water intake and water outlet, water intake is positioned at the top of water pump pump hydroecium, water outlet is positioned at the side of water pump pump hydroecium, water pump pump hydroecium is communicated with by multiple through hole around mandrel distribution with the top of rotor chamber, partial through holes is positioned at the pump water low pressure area near pump water impeller center, partial through holes is positioned at the pump water zone of high pressure away from pump water impeller center.At the through hole of pump water zone of high pressure with produce pressure difference between the through hole of pump water low pressure area, this pressure difference drives the water in water pump pump hydroecium to enter rotor chamber from the through hole being positioned at pump water zone of high pressure, and flow out rotor chamber from the through hole being positioned at pump water low pressure area, in rotor chamber, form the current of circulation.

Further restriction, the through hole being positioned at pump water low pressure area is positioned at the through hole of pump water zone of high pressure relatively closer to water outlet.This scheme limited further utilizes the siphonic effect of water outlet current to accelerate the circulation of water.

Further restriction, the bottom of rotor chamber has and is arranged on axial flow on mandrel or mixed-flow impeller.This scheme limited further utilizes axial flow or mixed-flow impeller to make the water of the bottom of rotor chamber form the turbulent flow of circulation, thus accelerates the heat transfer effect of current.

Further restriction, pump case comprises water pump cover and water pump body, the front end of water pump body has front cover, through hole is positioned on front cover, the rear end of water pump body has rear end cover, water pump cover is arranged on the front end of water pump body, water pump cover and front cover surround water pump pump hydroecium, water intake and water outlet are positioned on water pump cover, the side towards water pump body of rear end cover has the axle bed of the mandrel installing rotor, in water pump body, have separation sleeve, one end and the front cover of separation sleeve are tightly connected, and the other end of separation sleeve and rear end cover are sealedly connected in water pump body and are separated out rotor chamber.

Further restriction, has electric panel room in rear end cover, and control panel is arranged in electric panel room, rear end cover is installed the bonnet closing electric panel room.

Further restriction, front cover and water pump body are overall structure, and rear end cover and water pump body are demountable structure.

The beneficial effects of the utility model are: form circulating water by the pressure difference of fluid, cool, no longer need to get through hole on mandrel, reduce the overall volume of processing cost and product, improve yield rate water pump.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated;

Fig. 1 is overall structure schematic diagram of the present utility model;

Fig. 2 is the distribution schematic diagram of through hole of the present utility model;

Fig. 3 is the stereogram of stator of the present utility model;

In figure, 1-1. water pump cover, 1-2. water pump body, 1-3. front cover, 1-4. rear end cover, 1-4-1. axle bed, 1-5. separation sleeve, 1-6. bonnet, 2. rotor, 2-1. mandrel, 3. stator, 4. pump water impeller, 5. control panel, 6. water pump pump hydroecium, 7. rotor chamber, 8. water intake, 9. water outlet, 10. through hole, 11. axial flows or mixed-flow impeller, 12. electric panel rooms.

Embodiment

As Fig. 1, shown in 2 and 3, a kind of electronic water pump, it is characterized in that: comprise pump case, rotor 2, stator 3, pump water impeller 4 and control panel 5, rotor 2, stator 3 and pump water impeller 4 are arranged in pump case, control panel 5 drives stator 3 to form magnetic field, rotor driven 2 rotates, there is in pump case the water pump pump hydroecium 6 and rotor chamber 7 that self arrange, rotor 2 is positioned at rotor chamber 7, pump water impeller 4 is positioned at water pump pump hydroecium 6, the mandrel 2-1 of rotor 2 penetrates water pump pump hydroecium 6 driven pump water impeller 4 pump water, water pump pump hydroecium 6 has water intake 8 and water outlet 9, water intake 8 is positioned at the top of water pump pump hydroecium 6, water outlet 9 is positioned at the side of water pump pump hydroecium 6, water pump pump hydroecium 6 is communicated with by multiple through hole 10 around mandrel 2-1 distribution with the top of rotor chamber 7, partial through holes 10 is positioned at the pump water low pressure area near pump water impeller 4 center, partial through holes 10 is positioned at the pump water zone of high pressure away from pump water impeller 4 center.

The through hole 10 being positioned at pump water low pressure area is positioned at the through hole 10 of pump water zone of high pressure relatively closer to water outlet 9.

The bottom of rotor chamber 7 has and is arranged on axial flow on mandrel 2-1 or mixed-flow impeller 11.

Pump case comprises water pump cover 1-1 and water pump body 1-2, the front end of water pump body 1-2 has front cover 1-3, through hole 10 is positioned on front cover 1-3, the rear end of water pump body 1-2 has rear end cover 1-4, water pump cover 1-1 is arranged on the front end of water pump body 1-2, water pump cover 1-1 and front cover 1-3 surrounds water pump pump hydroecium 6, water intake 8 and water outlet 9 are positioned on water pump cover 1-1, the side towards water pump body 1-2 of rear end cover 1-4 has the axle bed 1-4-1 of the mandrel 2-1 installing rotor 2, there is the separation sleeve 1-5 being separated out rotor chamber 7 in water pump body 1-2 in water pump body 1-2, one end and the front cover 1-3 of separation sleeve 1-5 are tightly connected, the other end and the rear end cover 1-4 of separation sleeve 1-5 are tightly connected.Separation sleeve 1-5 and front cover 1-3 and rear end cover 1-4 is tightly connected by seal ring.Front cover 1-3 and between rear end cover 1-4 and mandrel 2-1, bearing is set.

In rear end cover 1-4, have electric panel room 12, control panel 5 is arranged in electric panel room 12, rear end cover 1-4 installs the bonnet 1-6 closing electric panel room 12.

Front cover 1-3 and water pump body 1-2 is overall structure, and rear end cover 1-4 and water pump body 1-2 is demountable structure.Or front cover 1-3 and water pump body 1-2 is demountable structure rear end cover 1-4 and water pump body 1-2 is overall structure.

As shown in Figure 2, there are four through holes 10 between water pump pump hydroecium 6 and rotor chamber 7, wherein two two through holes 10 away from water outlet 9 are L1 apart from the distance at pump water impeller 4 center, two other two through holes 10 near water outlet 9 are L2, L2 < L1 apart from the distance at pump water impeller 4 center.

In the utility model, not limiting of this electronic water pump conveying is water, also can be other liquid.

The working procedure of this electronic water pump is as follows:

The rotating magnetic field rotor driven 2 that control panel 5 drives stator 3 to be formed and pump water impeller 4 rotate, and water is inhaled into from water intake 8, pumps from water outlet 9.Pump water impeller 4 is when pump water, close pump water impeller 4 center is pump water low pressure area, away from the pump water zone of high pressure at pump water impeller 4 center, through hole 10 in pump water zone of high pressure and produce pressure difference between the through hole 10 of pump water low pressure area, this pressure difference drives the water in water pump pump hydroecium 6 to enter rotor chamber 7 from the through hole 10 being positioned at pump water zone of high pressure, and flow out rotor chamber 7 from the through hole 10 being positioned at pump water low pressure area, in rotor chamber 7, form the current of circulation, take away heat during motor rotation.The through hole 10 being positioned at pump water low pressure area utilizes the siphonic effect of water outlet 9 place current to accelerate the circulation of water.Axial flow or mixed-flow impeller 11 make the water of the bottom of rotor chamber 7 form the turbulent flow of circulation, thus accelerate the heat transfer effect of current.

Claims (6)

1. an electronic water pump, it is characterized in that: comprise pump case, rotor (2), stator (3), pump water impeller (4) and control panel (5), rotor (2), stator (3) and pump water impeller (4) are arranged in pump case, control panel (5) drives stator (3) to form magnetic field, rotor driven (2) rotates, there is in described pump case the water pump pump hydroecium (6) and rotor chamber (7) that self arrange, rotor (2) is positioned at rotor chamber (7), pump water impeller (4) is positioned at water pump pump hydroecium (6), the mandrel (2-1) of rotor (2) penetrates water pump pump hydroecium (6) driven pump water impeller (4) pump water, water pump pump hydroecium (6) has water intake (8) and water outlet (9), water intake (8) is positioned at the top of water pump pump hydroecium (6), water outlet (9) is positioned at the side of water pump pump hydroecium (6), the top of water pump pump hydroecium (6) and rotor chamber (7) is communicated with by multiple through hole (10) distributed around mandrel (2-1), partial through holes (10) is positioned at the pump water low pressure area near pump water impeller (4) center, partial through holes (10) is positioned at the pump water zone of high pressure away from pump water impeller (4) center.
2. electronic water pump according to claim 1, is characterized in that: the through hole (10) being positioned at pump water low pressure area is positioned at the through hole (10) of pump water zone of high pressure relatively closer to water outlet (9).
3. electronic water pump according to claim 1 and 2, is characterized in that: the bottom of described rotor chamber (7) has and is arranged on axial flow on mandrel (2-1) or mixed-flow impeller (11).
4. electronic water pump according to claim 1, it is characterized in that: described pump case comprises water pump cover (1-1) and water pump body (1-2), the front end of water pump body (1-2) has front cover (1-3), through hole (10) is positioned on front cover (1-3), the rear end of water pump body (1-2) has rear end cover (1-4), water pump cover (1-1) is arranged on the front end of water pump body (1-2), water pump cover (1-1) and front cover (1-3) surround water pump pump hydroecium (6), water intake (8) and water outlet (9) are positioned on water pump cover (1-1), the side towards water pump body (1-2) of rear end cover (1-4) has the axle bed (1-4-1) of the mandrel (2-1) of installation rotor (2),
There is the separation sleeve (1-5) being separated out rotor chamber (7) in water pump body (1-2) in water pump body (1-2), one end and the front cover (1-3) of separation sleeve (1-5) are tightly connected, and the other end and the rear end cover (1-4) of separation sleeve (1-5) are tightly connected.
5. electronic water pump according to claim 4, it is characterized in that: in described rear end cover (1-4), there is electric panel room (12), control panel (5) is arranged in electric panel room (12), and rear end cover (1-4) is upper installs the bonnet (1-6) closing electric panel room (12).
6. electronic water pump according to claim 4, is characterized in that: described front cover (1-3) and water pump body (1-2) are overall structure, and rear end cover (1-4) and water pump body (1-2) are demountable structure.
CN201520103973.8U 2015-02-12 2015-02-12 A kind of electronic water pump CN204493214U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520103973.8U CN204493214U (en) 2015-02-12 2015-02-12 A kind of electronic water pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520103973.8U CN204493214U (en) 2015-02-12 2015-02-12 A kind of electronic water pump

Publications (1)

Publication Number Publication Date
CN204493214U true CN204493214U (en) 2015-07-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520103973.8U CN204493214U (en) 2015-02-12 2015-02-12 A kind of electronic water pump

Country Status (1)

Country Link
CN (1) CN204493214U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104675711A (en) * 2015-02-12 2015-06-03 常州市凯程精密汽车部件有限公司 Electronic water pump
CN107345530A (en) * 2016-05-06 2017-11-14 宁波考比锐特汽车科技有限公司 A kind of electronic water pump of water circulation structure cooling circuit board
WO2019037531A1 (en) * 2017-08-23 2019-02-28 杭州三花研究院有限公司 Electric pump
CN111306071A (en) * 2015-07-24 2020-06-19 浙江三花汽车零部件有限公司 Rotor assembly and electronic pump

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104675711A (en) * 2015-02-12 2015-06-03 常州市凯程精密汽车部件有限公司 Electronic water pump
CN111306071A (en) * 2015-07-24 2020-06-19 浙江三花汽车零部件有限公司 Rotor assembly and electronic pump
CN107345530A (en) * 2016-05-06 2017-11-14 宁波考比锐特汽车科技有限公司 A kind of electronic water pump of water circulation structure cooling circuit board
WO2019037531A1 (en) * 2017-08-23 2019-02-28 杭州三花研究院有限公司 Electric pump

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20150722

Effective date of abandoning: 20171212

AV01 Patent right actively abandoned