CN208534775U - Outer rotor double entry pump - Google Patents

Outer rotor double entry pump Download PDF

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Publication number
CN208534775U
CN208534775U CN201821224137.5U CN201821224137U CN208534775U CN 208534775 U CN208534775 U CN 208534775U CN 201821224137 U CN201821224137 U CN 201821224137U CN 208534775 U CN208534775 U CN 208534775U
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CN
China
Prior art keywords
impellers
outer rotor
main shaft
stator module
double entry
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Active
Application number
CN201821224137.5U
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Chinese (zh)
Inventor
徐占辉
宋朋保
张攻坚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen zhongterun New Material Co.,Ltd.
Original Assignee
Zhuhai Static Run Technology Co Ltd
Bipolar Pump Technology (zhuhai) Co Ltd
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Priority to CN201821224137.5U priority Critical patent/CN208534775U/en
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Abstract

The utility model discloses a kind of outer rotor double entry pumps.The utility model includes pump assembly (1), main shaft (4), stator module (5), rotor magnetic ring component (6), symmetrical two impellers (7), stator module (5) is fixed on the middle part of main shaft (4), the both ends of main shaft (4) are mutually fixedly connected with pump assembly (1), symmetrical two impellers (7) back side is by being combined, rotor magnetic ring component (6) is fixedly connected on the leaning of two impellers (7), rotor magnetic ring component (6) is placed on the periphery of stator module (5) and is adapted with stator module (5), an inlet (2) and a liquid outlet (3) are respectively equipped on pump assembly (1), flow channel for liquids is divided into two-way after inlet (2), it is respectively communicated with the intake chamber (10) for being located at pump assembly (1) internal two sides, the liquid feeding side of two impellers (7) respectively with Intake chamber (10) is adapted, and flow channel for liquids converges to a liquid outtake chamber (11) after the tapping side of two impellers (7), and liquid outtake chamber (11) is connected with liquid outlet (3).The utility model can be widely applied to pump field.

Description

Outer rotor double entry pump
Technical field
The utility model relates to a kind of pump more particularly to a kind of outer rotor double entry pumps.
Background technique
Usually promotion liquid, convey liquid or make liquid increase pressure, i.e., the mechanical energy of prime mover is become liquid energy Amount pumps the machine of liquid purpose and is referred to as pumping to reach.Centrifugal pump has the symmetrical impeller of single suction single impeller, double suction, multistage leaf The variety classes such as wheel, but microminiature centrifugal pump is all the form using single impeller, i.e. and one end of motor output shaft connects a leaf Wheel, for micropump, efficiency cannot be made full use of, and the efficiency of general micropump is 10~50%, with the large-scale efficiency of pump 60~ 90% falls far short.Single-impeller pump has strong axial force in the process of running, it is necessary to design thrust washer, while leaf in end face It takes turns end radial force and is greater than distal end bearing, bearing wear is big.Existing micropump unilateral side is leaked water, due to having air, sometimes Water flow is difficult to enter into the position of bearings at far water end, causes far water end bearing that cannot obtain sufficient water lubrication, is easy to cause axis It holds and forms dry friction with axis, the heat that when dry friction generates cannot be taken away rapidly, and heat accumulation generates high temperature, easy damaged axis It holds, reduces bearing life;In order to make the bearing sufficient lubrication of impeller distal end, some pumps are additionally arranged exhaust near the bearing of distal end Valve, but exhaust valve exhaust is rarely employed for unprofessional user, if not in time using exhaust valve exhaust, the sky of pump body The bearing that gas can prevent water from reaching distal end is lubricated, and insufficient lubrication is caused even to fail.
In addition, being external motor driving there are also a kind of existing double suction pump configuration, the pump housing and motor are independent, in the impeller of pump Between have axis perforation, axis is supported by both ends, is had certain drag losses to the flowing of water in this way, is in addition needed to sealing corresponding Structure is supplemented, and increases the structural complexity of pump.In addition, being using two there are also a kind of double -impeller pump of foreign vendor Motor is put together, and each motor drives an impeller, is substantially that two single-impeller pumps are placed in a shell, The two is a kind of pseudo- double -impeller pump there is no combination mutually, because of its lift for not being improved single motor and efficiency.
Utility model content
Technical problem to be solved in the utility model is overcome the shortcomings of in the prior art, provide it is a kind of it is compact-sized, Balance is good, stability is good, flow is big, lift is high, high lubricating effect, bearing good heat dissipation, stable, low noise, uses the longevity Order long outer rotor double entry pump.
The technical scheme adopted by the utility model is the utility model includes pump assembly, main shaft, stator module, turns Sub- magnetic ring component, symmetrical two impellers, the stator module are fixed on the middle part of the main shaft, the both ends of the main shaft and institute It states pump assembly to be mutually fixedly connected, by being combined, the rotor magnetic ring component is fixed to be connected symmetrical two wheel backfaces Be connected to the leaning of two impellers, the rotor magnetic ring component be placed on the periphery of the stator module and with the stator pack Part is adapted, and an inlet and a liquid outlet is respectively equipped on the pump assembly, flow channel for liquids is after the inlet Be divided into two-way, be respectively communicated with the intake chamber positioned at two sides inside the pump assembly, the liquid feeding side of two impellers respectively with The intake chamber is adapted, and flow channel for liquids converges to a liquid outtake chamber, the liquid outtake chamber after the tapping side of two impellers It is connected with the liquid outlet.
Rotation connection, two bearings and institute are adapted by two bearings between two impellers and the main shaft It states and is equipped with washer between the two sides of stator module and prevents two impellers or so vibration to carry out axial limiting.
The bearing is mutually fixedly connected with the impeller.
Two impellers are closed or open or semi open model centrifugal impeller.
The blade of two impellers it is oppositely oriented.
The main shaft is hollow shaft, is pierced by the pump assembly by hollow inner hole for electric wire cable and controller connects It connects.
The inlet and the liquid outlet are located on same axis.
Alternatively, the angle between the inlet and the liquid outlet is 90 ° or other angles.
The beneficial effects of the utility model are: since the utility model includes pump assembly, main shaft, stator module, rotor Magnetic ring component, symmetrical two impellers, the stator module are fixed on the middle part of the main shaft, the both ends of the main shaft with it is described Pump assembly is mutually fixedly connected, and by being combined, the rotor magnetic ring component is fixedly connected symmetrical two wheel backfaces In the leaning of two impellers, the rotor magnetic ring component be placed on the periphery of the stator module and with the stator module It is adapted, an inlet and a liquid outlet is respectively equipped on the pump assembly, flow channel for liquids divides after the inlet At two-way, be respectively communicated with the intake chamber positioned at two sides inside the pump assembly, the liquid feeding side of two impellers respectively with institute Intake chamber is stated to be adapted, flow channel for liquids converges to a liquid outtake chamber after the tapping side of two impellers, the liquid outtake chamber with The liquid outlet is connected;The utility model is by the way that electric machine assembly to be built in pump assembly, the stator module of motor and master Axis is fixed with pump assembly, the impeller in the middle part of motor direct-drive, is not had any drag effects to the feed liquor of impeller, is saved simultaneously Complicated movable sealing structure drives two impellers by a rotor, bilobed wheel pump liquid simultaneously, therefore improves the lift of pump And flow;Two impellers are symmetrically placed in the middle, and bearing can effectively be lubricated, reducing friction resistance, and when high revolving speed, liquid stream can To take away the heat of main shaft and bearing friction generation in time, symmetrical impeller solves the balance of axial force, can offset axial direction Power, structure is more simple and reliable, avoids bearing excessive wear, and bearings at both ends is uniform by radial force, runs smoothly, and the pump service life has substantially It improves;In addition the utility model no setting is required gas vent, does not need human intervention, be truly realized it is non-maintaining, it is easy to operate;Therefore this Utility model is compact-sized, balance is good, stability is good, flow is big, lift is high, high lubricating effect, bearing good heat dissipation, runs surely Fixed, low noise, long service life, are a kind of outer rotor double entry pumps.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the outer rotor double entry pump of the utility model embodiment;
Fig. 2 is a side structure schematic diagram of outer rotor double entry pump shown in Fig. 1;
Fig. 3 is A-A section structure diagram shown in Fig. 2.
Specific embodiment
As shown in FIG. 1 to 3, the outer rotor double entry pump of the present embodiment includes including pump assembly 1, main shaft 4, stator module 5, rotor magnetic ring component 6, symmetrical two impellers 7, the stator module 5 are fixed on the middle part of the main shaft 4, the main shaft 4 Both ends be fixedly connected with 1 phase of pump assembly, symmetrical two 7 back side of impeller is by being combined, the rotor magnetic Ring assemblies 6 are fixedly connected on the leaning of two impellers 7, and the rotor magnetic ring component 6 is placed on the outer of the stator module 5 Stator module 5 described in Zhou Bingyu is adapted, and an inlet 2 and a liquid outlet 3, liquid are respectively equipped on the pump assembly 1 Body runner is divided into two-way after the inlet 2, is respectively communicated with the intake chamber 10 positioned at the 1 inside two sides of pump assembly, and two The liquid feeding side of a impeller 7 is adapted with the intake chamber 10 respectively, and flow channel for liquids is after the tapping side of two impellers 7 Converge to a liquid outtake chamber 11, the liquid outtake chamber 11 is connected with the liquid outlet 3, two impellers 7 and the main shaft 4 it Between by two bearings 9 be adapted rotation connection, cooperation when wheel rotation by bearing and main shaft, which is reduced, to rub, two axis Hold 9 and the stator module 5 two sides between be equipped with washer 8 and to carry out axial limiting prevent two 7 or so vibrations of impeller, The bearing 9 is fixedly connected with 7 phase of impeller, and in the present embodiment, the bearing 9 is sliding bearing, is able to solve in liquid The problem of lubrication, naturally it is also possible to rolling bearing is used, stainless steel, ceramics or other resistant materials can be selected in bearing material, Two impellers 7 are closed type centrifugal impeller, naturally it is also possible to be open or semi open model centrifugal impeller, described in two The blade of impeller 7 it is oppositely oriented, the main shaft 4 be hollow shaft, the pump housing is pierced by by hollow inner hole for electric wire cable Component 1 is connect with controller, very good solution pump in electric wire lay and the problem of waterproof, in the present embodiment, the inlet 2 Be located on same axis with the liquid outlet 3, certainly, angle between the inlet 2 and the liquid outlet 3 be 90 ° or its His angle.
The utility model is by the way that electric machine assembly to be built in pump assembly 1, the stator module 5 and main shaft 4 and pump of motor Body component 1 is fixed, and two impellers 7 in the middle part of motor direct-drive do not have any drag effects to the feed liquor of impeller 7, together When eliminate complicated movable sealing structure, two impellers are driven by a rotor, bilobed wheel pump liquid simultaneously, therefore improve pump Lift and flow;Two impellers are symmetrically placed in the middle, and bearing can effectively be lubricated, reducing friction resistance, when high revolving speed, The heat that liquid stream can take away main shaft in time and bearing friction generates, symmetrical impeller solve the balance of axial force, can support Disappear axial force, and structure is more simple and reliable, avoids bearing excessive wear, and bearings at both ends is uniform by radial force, runs smoothly, and pumps the service life It greatly improves;In addition the utility model no setting is required gas vent, does not need human intervention, is truly realized non-maintaining, operation letter Just;Therefore, therefore the utility model is compact-sized, balance is good, stability is good, flow is big, lift is high, high lubricating effect, bearing Good heat dissipation, stable, low noise, long service life are a kind of outer rotor double entry pumps.
The utility model can be widely applied to pump field.

Claims (8)

1. a kind of outer rotor double entry pump, it is characterised in that: including pump assembly (1), main shaft (4), stator module (5), rotor magnetic Ring assemblies (6), symmetrical two impellers (7), the stator module (5) are fixed on the middle part of the main shaft (4), the main shaft (4) both ends are mutually fixedly connected with the pump assembly (1), and symmetrical two impeller (7) back side is described by being combined Rotor magnetic ring component (6) is fixedly connected on the leaning of two impellers (7), and the rotor magnetic ring component (6) is placed on described The periphery of stator module (5) is simultaneously adapted with the stator module (5), is respectively equipped with a feed liquor on the pump assembly (1) Mouth (2) and a liquid outlet (3), flow channel for liquids are divided into two-way after the inlet (2), are respectively communicated with positioned at the pump housing group The intake chamber (10) of the internal two sides of part (1), the liquid feeding side of two impellers (7) are adapted with the intake chamber (10) respectively, Flow channel for liquids converges to a liquid outtake chamber (11) after the tapping side of two impellers (7), the liquid outtake chamber (11) with it is described Liquid outlet (3) is connected.
2. outer rotor double entry pump according to claim 1, it is characterised in that: two impellers (7) and the main shaft (4) Between be adapted rotation connection by two bearings (9), set between two bearings (9) and the two sides of the stator module (5) There are washer (8), to carry out axial limiting, prevents two impeller (7) left and right vibrations.
3. outer rotor double entry pump according to claim 2, it is characterised in that: the bearing (9) is mutually solid with the impeller (7) Fixed connection.
4. outer rotor double entry pump according to claim 1, it is characterised in that: two impellers (7) are closed or open Put formula or semi open model centrifugal impeller.
5. outer rotor double entry pump according to claim 1, it is characterised in that: the rotation direction of the blade of two impellers (7) On the contrary.
6. outer rotor double entry pump according to claim 1, it is characterised in that: the main shaft (4) is hollow shaft, is used for electric wire Cable is pierced by the pump assembly (1) by hollow inner hole and connect with controller.
7. outer rotor double entry pump according to claim 1, it is characterised in that: the inlet (2) and the liquid outlet (3) On same axis.
8. outer rotor double entry pump according to claim 1, it is characterised in that: the inlet (2) and the liquid outlet (3) Between angle be 90 °.
CN201821224137.5U 2018-07-31 2018-07-31 Outer rotor double entry pump Active CN208534775U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821224137.5U CN208534775U (en) 2018-07-31 2018-07-31 Outer rotor double entry pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821224137.5U CN208534775U (en) 2018-07-31 2018-07-31 Outer rotor double entry pump

Publications (1)

Publication Number Publication Date
CN208534775U true CN208534775U (en) 2019-02-22

Family

ID=65385063

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821224137.5U Active CN208534775U (en) 2018-07-31 2018-07-31 Outer rotor double entry pump

Country Status (1)

Country Link
CN (1) CN208534775U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI715192B (en) * 2019-09-12 2021-01-01 建準電機工業股份有限公司 Fluid delivery device
CN115023540A (en) * 2019-12-16 2022-09-06 伊希欧1控股有限公司 Device for treating a fluid in an at least partially electrically driven vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI715192B (en) * 2019-09-12 2021-01-01 建準電機工業股份有限公司 Fluid delivery device
CN115023540A (en) * 2019-12-16 2022-09-06 伊希欧1控股有限公司 Device for treating a fluid in an at least partially electrically driven vehicle

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Address after: 519000 room 105-44075, No. 6, Baohua Road, Hengqin new area, Zhuhai, Guangdong

Patentee after: Bipolar technology (Zhuhai) Co.,Ltd.

Patentee after: Jingrun energy (Guangdong) Co., Ltd

Address before: 519000 room 105-44075, No. 6, Baohua Road, Hengqin new area, Zhuhai, Guangdong

Patentee before: SHUANGJI PUMP TECHNOLOGY (ZHUHAI) Co.,Ltd.

Patentee before: Zhuhai Jingrun Technology Co., Ltd

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20211208

Address after: 518000 building 4, Taiwei Industrial Park, 146 Yanluo Road, Songgang street, Bao'an District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen zhongterun New Material Co.,Ltd.

Address before: 519000 room 105-44075, No. 6, Baohua Road, Hengqin new area, Zhuhai, Guangdong

Patentee before: Bipolar technology (Zhuhai) Co.,Ltd.

Patentee before: Jingrun energy (Guangdong) Co., Ltd