CN206694263U - A kind of brushless direct-current water pump - Google Patents

A kind of brushless direct-current water pump Download PDF

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Publication number
CN206694263U
CN206694263U CN201620720343.XU CN201620720343U CN206694263U CN 206694263 U CN206694263 U CN 206694263U CN 201620720343 U CN201620720343 U CN 201620720343U CN 206694263 U CN206694263 U CN 206694263U
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CN
China
Prior art keywords
water pump
impeller
brushless direct
pad
rotor
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Expired - Fee Related
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CN201620720343.XU
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Chinese (zh)
Inventor
黄雄
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Individual
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Individual
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Abstract

The utility model discloses a kind of brushless direct-current water pump, is related to water pump technology, during solving brushless direct-current pump working of the prior art, friction produces heat between fulcrum and impeller, impeller heat easily deforms, and causes impeller and fulcrum to be tied up extremely, thus brushless direct-current water pump can not normal work the problem of.Brushless direct-current water pump of the present utility model includes:The stator of rotor and impeller and empty set on rotor of pump case, the fulcrum being fixed in pump case, empty set on fulcrum, rotor are fixedly connected with impeller;Impeller is provided with centre bore, and the first pad is installed with impeller central hole, and the first pad is located at the free end face opening position of impeller;Axle sleeve is installed with rotor inner peripheral surface, axle sleeve and the equal empty set of the first pad are on fulcrum.The brushless direct-current water pump can reduce or even avoid well impeller during pump working to tie up the problem of dead with fulcrum, improve the operating efficiency of water pump, extend the service life of water pump.

Description

A kind of brushless direct-current water pump
Technical field
It the utility model is related to water pump technology, more particularly to a kind of brushless direct-current water pump.
Background technology
Water pump is the machinery for conveying liquid or being pressurized liquid.It is by the mechanical energy of prime mover or other external energy transmission Liquid, increase liquid energy, being mainly used to conveying liquid includes water, oil, acid & alkali liquid, emulsion, suspended emulsion and liquid gold Category etc., can also convey liquid, admixture of gas and the liquid containing suspended solids.
Brushless direct-current water pump is one kind of water pump, and it is operated using DC powered brushless electric machine, and brushless electric machine rotates Impeller rotates, so that fluid pressure increases to reach the machine of transmission liquid effects.
Impeller and branch between centers friction during brushless direct-current pump working of the prior art, and frictional resistance is larger, impeller with Because long-time friction produces substantial amounts of heat, impeller heat easily deforms branch between centers, causes impeller to be tied up extremely with fulcrum, so that nothing Brush DC water pump can not normal work.In addition, the power of brushless direct-current water pump is bigger, temperature caused by the vortex in pump case Higher, because electronic component resistance to elevated temperatures is poor, therefore the electric current of brushless direct-current water pump of the prior art is generally kept in Below 2A, lift, the flow of brushless direct-current water pump are had a strong impact on.
Utility model content
The purpose of this utility model is to provide a kind of brushless direct-current water pump, to solve brushless direct-current water of the prior art Impeller produces big calorimetric with the friction for a long time of branch between centers in pump, the deformation of impeller heat, causes impeller to be tied up extremely with branch, water pump can not be just Often the problem of work.
The utility model provides a kind of brushless direct-current water pump, including pump case, the fulcrum being fixed in the pump case, empty set exist The stator of rotor and impeller and empty set on the rotor on the fulcrum, the rotor are fixedly connected with the impeller.
The first pad is installed with the impeller central hole, first pad is located at the free end face position of the impeller Place;Axle sleeve is installed with the rotor inner peripheral surface, the axle sleeve and the equal empty set of the first pad are on the fulcrum.
Further, first pad is Graphite pad, and/or the axle sleeve is graphite bushing.
Further, opening position is provided with the second pad between the graphite bushing and the pump case, and second pad is empty It is enclosed on the fulcrum, second pad is Graphite pad.
Further, the rotor is samarium cobalt magnet.
Further, the rotor is integrated injection molding with the impeller.
Further, the fulcrum is ceramic shaft made of zirconium oxide material.
Further, the pump case include pump body, be fixedly connected successively with the pump body along the axial direction of the pump body before End cap, dividing plate and rear end cap;The middle part of the dividing plate is along the ceramic shaft axially to rear end cap direction concave shape Stator accommodating chamber is formed into rotor accommodating chamber, and with the pump body;
One end of the ceramic shaft is fixedly connected with the drive end bearing bracket, and the other end is fixedly connected with the dividing plate;
First pad opening position between the drive end bearing bracket and the impeller;Second pad is located at the stone Opening position between black axle sleeve and the dividing plate.
Further, in addition to enamel-covered wire circuit board, master control circuit board and water pump controller, the enamel-covered wire circuit board It is arranged inside the pump case;The water pump controller is located at outside the pump case, and the master control circuit board is arranged at described Inside water pump controller.
Further, the enamel-covered wire circuit board is bonded with the rear end face of the stator, the enamel-covered wire circuit board and institute Dividing plate middle part copline is stated, epoxy resin is filled between the enamel-covered wire circuit board and the rear end cap;It is and/or described The shell of water pump controller is aluminum shell, and the seam crossing of the aluminum shell is sealed by epoxy resin.
Further, fixed mount is provided with the pump case, the fixed mount is fixedly connected with the dividing plate;The fixation Silica gel sheath is enclosed with the outside of frame.
Relative to prior art, brushless direct-current water pump provided by the utility model has the advantage that:
In brushless direct-current water pump provided by the utility model, due to affixed in the free end of impeller and its centre bore There is the first pad, axle sleeve, that is, the axle sleeve being fixed on rotor inner peripheral surface, it follows that leaf are provided with positioned at the other end of impeller One end of wheel is supported by the first pad support, the other end of impeller by axle sleeve, when being rotated when impeller works around fulcrum, the first pad Piece and axle sleeve rub with fulcrum, rather than impeller central hole directly rubs with fulcrum, so as to will not make impeller with Dead phenomenon is tied up between fulcrum, ensures brushless direct-current water pump normal work.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present embodiment brushless direct-current water pump;
Fig. 2 is the structural representation of the present embodiment water pump controller;
Fig. 3 is the structural representation of Fig. 1 magnet impeller;
Fig. 4 is the structural representation of Fig. 1 fixed mount.
Reference:
1-pump case, 2-ceramic shaft, 3-rotor
4-impeller, 5-stator, 6-graphite bushing
7-the first pad the 8-the second pad 9-enamel-covered wire circuit board
10-master control circuit board, 11-water pump controller, 12-aluminum shell
13-epoxy resin, 14-samarium cobalt magnet, 15-fixed mount
16-silica gel sheath, 101-pump, 102-drive end bearing bracket of body
103-dividing plate, 104-rear end cap, 1031-rotor accommodating chamber
1032-stator accommodating chamber
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.
The present embodiment provides a kind of brushless direct-current water pump, as Figure 1-Figure 4, including pump case 1, is fixed in the pump case 1 Rotor 3 and impeller 4 and empty set stator 5 on the rotor 3 of the interior fulcrum, empty set on the fulcrum, rotor 3 and leaf Wheel 4 is fixedly connected;The first pad 7 is installed with impeller central hole, the first pad 7 is located at the free end face opening position of impeller 4;Turn Axle sleeve is installed with sub 3 inner peripheral surfaces, axle sleeve and 7 equal empty set of the first pad are on fulcrum.
In the present embodiment, due to being connected with the first pad 7 in the free end of impeller 4 and its centre bore, positioned at leaf The other end of wheel 4 is provided with axle sleeve, that is, the axle sleeve being fixed on the inner peripheral surface of rotor 3, it follows that one end of impeller 4 is by first Pad 7 is supported, and the other end of impeller 4 is supported by axle sleeve, and when being rotated when impeller works around fulcrum, the first pad 7 and axle sleeve are equal Rubbed with fulcrum, rather than impeller central hole directly rubs with fulcrum, so as to make to send out between impeller 4 and fulcrum It is raw to tie up dead phenomenon, ensure brushless direct-current water pump normal work.
It should be added that, the impeller 4 in the present embodiment is unshrouded impeller herein.
In the present embodiment, as shown in Figure 1, Figure 3, the first pad 7 can be Graphite pad, and/or axle sleeve can be stone Black axle sleeve 6.Graphite pad has thermostabilization, self-lubricating, not corrosion-resistant, not aging, the property such as embrittlement, in the working condition of harshness Energy use steady in a long-term, the advantages of seldom needing to safeguard, can preferably protect impeller 4.It is installed with impeller central hole First pad 7, the first pad 7 can reduce or even avoid impeller 4 to be rubbed with branch between centers and produce substantial amounts of heat, further effective The heat of impeller 4 is prevented to deform, reduction preferably even avoids impeller 4 and fulcrum is tied up the occurrence of dead, improves The operating efficiency of brushless direct-current water pump, extend brushless direct-current water pump service life.
Equally, graphite bushing also has good lubricant effect and heat resistance, therefore can reduce brushless direct-current plugman Frictional resistance when making between fulcrum and rotor 3, heat caused by friction between fulcrum and rotor 3 is reduced, reduces and even avoids Because its heated situation about deforming occurs to the part of impeller 4 in the substantial amounts of heat transfer of friction generation between fulcrum and rotor 3, Impeller 4 is further avoided to be tied up extremely with fulcrum.Moreover it is possible to improve the operating efficiency of water pump, while when also reducing pump working Noise.
In the present embodiment, as shown in Figure 1, Figure 3, opening position is provided with the second pad 8 between graphite bushing 6 and pump case 1, the For the empty set of two pad 8 on fulcrum, the second pad 8 is Graphite pad.Acting on for Graphite pad is already mentioned above, and does not exist herein Repeat.Second pad 8 preferably can reduce or even avoid rotor 3 during brushless direct-current pump working to face with rotor accommodating chamber 1031 One end of nearly second pad 8 rubs, and further protects rotor 3, extends the service life of brushless direct-current water pump.
Specifically, the material of the magnet segment of rotor 3 in this embodiment can have a variety of, the preferably samarium cobalt magnet of rotor 3 14.Samarium cobalt magnet 14 have high energy product, extremely low temperature coefficient, very strong anticorrosive and inoxidizability and temperature stability and Chemical stability.In addition, samarium cobalt magnet 14 preferably can reduce or even avoid rotor 3 to be vortexed easily due to the internal high temperature of pump case 1 The occurrence of loss of excitation, the service life of Extending Rotor 3, the operating efficiency of raising brushless direct-current water pump.
In the present embodiment, between rotor 3 and impeller 4 be fixedly connected mode can have it is a variety of, for example, rotor 3 and leaf Wheel 4 is integrated injection molding.Injection molding be it is a kind of have that speed of production is fast, efficiency high, operate the production that automation can be achieved Process, the shape of injection molding product can go from the simple to the complex, and size can be with descending, and product size is accurate, energy The complicated product of forming shape.Other manufacturing procedures are not needed before being used with product, and can be produced in batches, manufacturing process is simple The advantages of.
In order to further improve the heat-resisting quantity of fulcrum, the fulcrum selection in the present embodiment is made pottery made of zirconium oxide material Porcelain axle 2.Zirconium oxide is the main oxides of zirconium, is white odorless, tasteless crystal under usual condition, is insoluble in water, hydrochloric acid and dilute sulphur Acid.Chemical property torpescence, and with the property of high-melting-point, high resistivity, high index of refraction and low thermal coefficient of expansion, make it Important exotic material.Zirconia ceramics axle can improve ceramic shaft 2 heat-resisting quantity of itself, and further reduce even is kept away Exempt from because water pump ceramic shaft 2 and the centre bore of impeller 4 friction that works long hours produces substantial amounts of heat and deformed.In addition, Because zirconium oxide has the physical property for being insoluble in water, hydrochloric acid, dilute sulfuric acid so that zirconia ceramics axle even water pump is disliking summary In the environment of work and also be difficult to damage, improve the usage time of ceramic shaft 2.
In addition, the ceramic shaft 2 of the brushless direct-current water pump can also select other to have the axle of same effect Substitute, for example, aluminium oxide ceramics axle.
Specifically, the pump case 1 in the present embodiment includes pump body 101, fixed successively with pump body 101 along the axial direction of pump body 101 Drive end bearing bracket 102, dividing plate 103 and the rear end cap 104 of connection;Axially backward end cap of the middle part of dividing plate 103 along ceramic shaft 2 104 directions are recessed to form rotor accommodating chamber 1031, and form stator accommodating chamber 1032 with pump body 101;One end of ceramic shaft 2 is with before End cap 102 is fixedly connected, and the other end is fixedly connected with dividing plate 103;First pad 7 position between drive end bearing bracket 102 and impeller 4 Place;Second pad 8 opening position between graphite bushing 6 and dividing plate 103.
In the present embodiment, rotor 3, stator 5 are separately positioned on corresponding rotor accommodating chamber 1031 and stator in pump case 1 and held Receive in chamber 1032, rotor accommodating chamber 1031 can more preferably realize that rotor 3 produces stable under magnetic field turn after the coil electricity of stator 5 Dynamic, stator accommodating chamber 1032 can preferably protect stator 5, and ceramic shaft 2 enables to stator 5, the steady operation of rotor 3, prevented Rotor 3, stator 5 deviate the operating efficiency for axially further improving brushless direct-current water pump when working.Pump body 101, drive end bearing bracket 102 Protection brushless direct-current water pump inner body then can be preferably played with rear end cap 104, extend brushless direct-current water pump uses the longevity Life.Purpose and the effect of Graphite pad are provided between drive end bearing bracket 102 and impeller 4, between graphite bushing 6 and dividing plate 103, It is stated that, do not repeating herein above.
Further, the brushless direct-current water pump also includes enamel-covered wire circuit board 9, master control circuit board 10 and water pump controller 11, enamel-covered wire circuit board 9 is arranged inside pump case 1;Water pump controller 11 is located at outside pump case 1, and master control circuit board 10 is set Inside water pump controller 11.In the present embodiment, because master control circuit board 10 is arranged inside water pump controller 11, water pump Controller 11 is placed in outside water pump, so there is no the electronic component of resistance to elevated temperatures difference in pump case, it is brushless straight so as to improve The electric current of flowing water pump, and then the lift, flow and resistance to elevated temperatures of brushless direct-current water pump are improved, pump working is got up more Reliably.
It should be added that, the brushless direct-current water pump in the present embodiment can use six groove stators, that is, have three herein To magnetic field, controlled using MCU, the commutation of Intelligent Measurement location procedure, without additional sensors, therefore can not inside water pump pump case It is placed on any electronic component.Due to being controlled using MCU, Intelligent Measurement location procedure commutation, so resisting during commutation without impact Pinking is strong.Meanwhile the brushless direct-current water pump also has stuck protection and reverse connecting protection.In addition, the brushless direct-current water pump removes Also PWM speed governing can be realized, PWM speed governing costs are low, simply by drawing control signal wire by adjusting outside adjusting velocity by voltage It is convenient.Such a water pump drives its operating, with two-phase water pump phase equivalent to three-phase brushless DC water pump using three-phase control mode Than its power greatly improves.In addition, the brushless direct-current water pump is commutated by program, no impact, anti-seismic performance is strong, Er Qieshi Soft start, starting current are small;The brushless direct-current water pump can draw control signal wire, realize that PWM speed governing, analog signal 0-5V are adjusted Speed, manual governing, have and respond fast and real the advantages of easily showing.
Enamel-covered wire is connected with the circuit board being placed in inside water pump, and composition enamel-covered wire circuit board 9, enamel-covered wire circuit board 9 is to use Conveniently to connect master control circuit board 10 and water pump, acted on without any component.Postponed outside water pump master control circuit board 10, pump The material of the inside of shell 1 all changes exotic material into, further solves what brushless direct-current water pump can not work in high temperature environments Problem.
Preferably to reduce or even avoiding master control circuit board 10 to burn, in the present embodiment, the table of master control circuit board 10 Face scribbles one layer of thermal grease.Thermal grease is a low thermal resistance and high thermal conductivity, the Heat Conduction Material of high flexibility.Radiate silicon The high flexibility that glue has can reduce between component needed for pressure, while cover the surface of microcosmic out-of-flatness so that member Device fully contacts and improves heat conduction efficiency, further protects master control circuit board 10 because overheat is burnt.Specifically, enamel-covered wire Circuit board 9 is bonded with the rear end face of stator 5, enamel-covered wire circuit board 9 and the middle part copline of dividing plate 103, enamel-covered wire circuit board 9 Epoxy resin 13 is filled between rear end cap 104;Or the shell of water pump controller 11 is aluminum shell 12, aluminum shell 12 connects Sealed at seam by epoxy resin 13;Or enamel-covered wire circuit board 9 is bonded with the rear end face of stator 5, enamel-covered wire circuit board 9 with every The middle part copline of plate 103, epoxy resin 13, and water pump controller are filled between enamel-covered wire circuit board 9 and rear end cap 104 11 shell is aluminum shell 12, and the seam crossing of aluminum shell 12 is sealed by epoxy resin 13.In addition, in the present embodiment, enamel-covered wire electricity Road plate 9 is bonded with the rear end face of stator 5, enamel-covered wire circuit board 9 and the middle part copline of dividing plate 103, enamel-covered wire circuit board 9 with Epoxy resin 13 is filled between rear end cap 104;The shell of water pump controller 11 is aluminum shell 12, the seam crossing of aluminum shell 12 by Epoxy resin 13 seals.Due to being filled with epoxy resin 13 between enamel-covered wire circuit board 9 and rear end cap 104, epoxy resin 13 has There is the features such as good anti-leakage, heat resistance, electrical insulating property, alkali resistance, high intensity, while there is strong adhesive force, normal-temperature operation, construction The good manufacturability such as simplicity, and it is moderate.
, can be quickly by water pump controller 11 due to prolonged work meanwhile aluminium has good thermal diffusivity Caused heat transfer is to the outside of water pump controller 11 under state.In addition, the relative density of aluminium is small, the product weight of aluminum Amount is light, transports carrying convenience.Meanwhile aluminium surface can form one layer of oxide-film for preventing metal erosion in atmosphere, reduce even The damaged damage that security incident and/or internal component the occurs because shell of water pump controller 11 is avoided, is improved brushless straight The security performance of flowing water pump.
It should be added that, the shell of the water pump controller 11 of the brushless direct-current water pump can also select other herein Material with great heat radiation effect, for example, copper product shell, aluminum alloy materials shell etc..
Fixed mount 15 is also provided with pump case 1 in the present embodiment, wherein, fixed mount 15 is fixed with dividing plate 103 Connection.Fixation when fixed mount 15 can preferably realize pump working at the construction field (site), prevents that vibrations during pump working from bringing Construct constant, while reduce noise, improve convenience during brushless direct-current water pump outdoor study, and fixed rack structure is simple, Gu Determine positive effect.
It is the soft texture of silica gel sheath 16, flexible specifically, the outside of fixed mount 15 is enclosed with silica gel sheath 16, have certain Buffering and anti-skidding effect.The outside of fixed mount 15 be enclosed with silica gel sheath 16 can reduce or even avoid well brushless direct-current water pump by Noise is produced in vibrations, while silica gel sheath 16 has the function that protection equipment is corroded and damaged.
Finally it should be noted that:Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand:It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (10)

1. a kind of brushless direct-current water pump, it is characterised in that including pump case (1), the fulcrum being fixed in the pump case (1), empty set The stator (5) of rotor (3) and impeller (4) and empty set on the rotor (3) on the fulcrum, the rotor (3) with The impeller (4) is fixedly connected;
The first pad (7) is installed with impeller (4) centre bore, first pad (7) is located at the freedom of the impeller (4) At endface position;Axle sleeve is installed with rotor (3) inner peripheral surface, the axle sleeve and first pad (7) empty set exist On the fulcrum.
2. brushless direct-current water pump according to claim 1, it is characterised in that first pad (7) is Graphite pad, And/or the axle sleeve is graphite bushing (6).
3. brushless direct-current water pump according to claim 2, it is characterised in that the graphite bushing (6) and the pump case (1) Between opening position be provided with the second pad (8), for the second pad (8) empty set on the fulcrum, second pad (8) is stone Ink pad piece.
4. brushless direct-current water pump according to claim 3, it is characterised in that the rotor (3) is samarium cobalt magnet (14).
5. brushless direct-current water pump according to claim 4, it is characterised in that the rotor (3) is one with the impeller (4) Body injection molding.
6. brushless direct-current water pump according to claim 5, it is characterised in that the fulcrum is to be made pottery made of zirconium oxide material Porcelain axle (2).
7. brushless direct-current water pump according to claim 6, it is characterised in that the pump case (1) includes pump body (101), edge Drive end bearing bracket (102), dividing plate (103) and the rear end cap that the axial direction of the pump body (101) is fixedly connected with the pump body (101) successively (104);The middle part of the dividing plate (103) is along the ceramic shaft (2) axially to the rear end cap (104) direction concave shape Stator accommodating chamber (1032) is formed into rotor accommodating chamber (1031), and with the pump body (101);
One end of the ceramic shaft (2) is fixedly connected with the drive end bearing bracket (102), the other end and the fixed company of the dividing plate (103) Connect;
First pad (7) opening position between the drive end bearing bracket (102) and the impeller (4);Second pad (8) The opening position between the graphite bushing (6) and the dividing plate (103).
8. brushless direct-current water pump according to claim 7, it is characterised in that also including enamel-covered wire circuit board (9), main control Circuit board (10) and water pump controller (11), it is internal that the enamel-covered wire circuit board (9) is arranged at the pump case (1);The water pump Controller (11) is located at the pump case (1) outside, and the master control circuit board (10) is arranged in the water pump controller (11) Portion.
9. brushless direct-current water pump according to claim 8, it is characterised in that the enamel-covered wire circuit board (9) with it is described fixed The rear end face fitting of sub (5), the enamel-covered wire circuit board (9) and the dividing plate (103) middle part copline, the enamel-covered wire Epoxy resin (13) is filled between circuit board (9) and the rear end cap (104);And/or the water pump controller (11) is outer Shell is aluminum shell (12), and the seam crossing of the aluminum shell (12) is sealed by epoxy resin (13).
10. brushless direct-current water pump according to claim 9, it is characterised in that be provided with fixed mount on the pump case (1) (15), the fixed mount (15) is fixedly connected with the dividing plate (103);Silica gel sheath is enclosed with the outside of the fixed mount (15) (16)。
CN201620720343.XU 2016-07-08 2016-07-08 A kind of brushless direct-current water pump Expired - Fee Related CN206694263U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620720343.XU CN206694263U (en) 2016-07-08 2016-07-08 A kind of brushless direct-current water pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620720343.XU CN206694263U (en) 2016-07-08 2016-07-08 A kind of brushless direct-current water pump

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Publication Number Publication Date
CN206694263U true CN206694263U (en) 2017-12-01

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109888961A (en) * 2019-03-13 2019-06-14 佛山市顺德区伊默特电机有限公司 Compact type low-noise plastic packaging motor
CN111456943A (en) * 2020-04-10 2020-07-28 杭州中盟光电科技有限公司 Brushless centrifugal pump for new energy automobile

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109888961A (en) * 2019-03-13 2019-06-14 佛山市顺德区伊默特电机有限公司 Compact type low-noise plastic packaging motor
CN111456943A (en) * 2020-04-10 2020-07-28 杭州中盟光电科技有限公司 Brushless centrifugal pump for new energy automobile
CN111456943B (en) * 2020-04-10 2021-05-07 杭州中盟光电科技有限公司 Brushless centrifugal pump for new energy automobile

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CF01 Termination of patent right due to non-payment of annual fee

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