A kind of centrifugal water pump
This patent is:
It is entitled:A kind of centrifugal water pump
Application No. is:201610082423.1
The applying date is:2016.02.05
Patent application divisional application.
Technical field
The invention belongs to water pump fields, and in particular to a kind of centrifugal water pump that can aloft extract lower water.
Background technology
Existing small-sized centrifugal water pump is typically mounted at below the water surface, is pumped water to eminence from lower as immersible pump, but
The defects of apparent this kind of water pump is that the supply lines of water pump needs to reach in water, is difficult to ensure that insulation effect after prolonged use
Fruit even causes electric leakage electric shock dangerous when serious, need using the higher supply lines of price, then certainly will if insulation performance is improved
Improve the overall price of water pump.Small-sized centrifugal water pump is generally used on the small household appliances such as foot bath, thermos bottle, to the sexual valence of water pump
It is also more relatively high than requiring.
Invention content
The technical problems to be solved by the invention are:In view of the deficienciess of the prior art, offer is a kind of compact-sized, if
Count it is ingenious, can by installation be aloft used to smoke water from lower toward eminence, be provided simultaneously with the centrifugation of superior isolation performance
Water pump.
Purpose to realize the present invention, is achieved using following technical scheme:A kind of centrifugal water pump, includes pump case,
There are one external stator winding and an electromagnet coils for the pump case outer wall fixed installation;There are two being fixedly mounted in the pump case
Rotor field spider, there are one rotor assembly for rotation connection on two rotor field spiders;The rotor assembly includes to be turned with rotor field spider
The shaft of dynamic connection, the inner rotor magnets being fixedly connected in shaft and cylinder iron core and is fixedly connected on shaft close to interior
The turntable of rotor magnet one end end;The inner rotor magnets are corresponding with external stator winding position, inner rotor magnets with it is outer fixed
Sub- winding collectively forms a motor;The cylinder iron core is corresponding with the position of electromagnet coil, cylinder iron core and electromagnet
Coil collectively forms an electromagnet;The inner rotor magnets are located between two rotor field spiders;It is fixed on the turntable
The 2-6 drive magnets being distributed with circumference array are installed;
The pump case close to the molding of one end of electromagnet coil there are one piston pump case portion, slip in the piston pump case portion
There are one piston, piston is fixedly connected close to one end of cylinder iron core there are one permanent magnet for installation, the magnetic field side inside permanent magnet
To axially parallel with piston;It is tightly connected in the piston pump case portion there are one piston pump cover, piston pump is covered there are one connections
Water feeding one-way valve and one go out water one-way valve;
There are one centrifugal pump, the centrifugal pump includes the centrifugal pump being fixedly connected with pump case for the pump case other end connection
Shell, forms partition board in centrifugal pump shell, and partition board intermediary form has a newel, and there are one centrifugal pump leaves for rotation connection on newel;
The centrifugal pump leaf includes pump phyllopodium plate, is integrally formed in pump phyllopodium plate far from 3-6 on one side end face of partition board with circumference
The blade of array distribution and the driven magnet for being fixedly mounted on quantity identical with drive magnet on pump phyllopodium plate;The pump leaf
Substrate intermediary form has the centre bore with newel cooperation rotation connection, is not connected between each blade;The centrifugation
The side wall of pump case forms water outlet connector, and there are one centrifugal pumps for one end sealed connection of the centrifugal pump shell far from drive magnet
Lid, there are one water supply connectors for the intermediate integrally connected of the centrifugation pump cover, and the water supply connector is by connecting tube and is discharged unidirectional
Valve connects.
Preferably:The drive magnet and driven magnet is permanent magnet;The inner rotor magnets are permanent magnet.
Preferably:The turntable forms on the end face far from inner rotor magnets side accommodates the recessed of the drive magnet
Mouthful, it is adhesively fixed between the drive magnet and recess inner wall by glue;The pump phyllopodium plate is close to the end face of partition board side
On form the shrinkage pool for accommodating the driven magnet, it is be bonded by glue between driven magnet and shrinkage pool inner wall.
Compared with prior art, the beneficial effects of the invention are as follows:One end of the centrifugal water pump is piston pump, and the other end is
Centrifugal pump, piston pump work first when water pump of the present invention just starts, by water through connecting in tube pump to centrifugal pump, then centrifugal pump
It works on, centrifugal pump is made also can smoothly to start work when higher than water surface elevation in this way.Further, the piston of piston pump
Upper connection permanent magnet, the electromagnet that cylinder iron core and electromagnet coil collectively form drive permanent magnet by the transformation of magnetic direction
It moves back and forth, so as to drive reciprocating motion of the pistons.After pump startup is centrifuged, cylinder iron core rotates together with inner rotor magnets, circle
Column iron core plays the role of clump weight, and the motor running for making inner rotor magnets and external stator winding composition is more steady;It is in addition, electric
Magnet coil can power off after pump startup is centrifuged, and permanent magnet mutually attracts with cylinder iron core under magnetic field force effect, makes piston remote
From water feeding one-way valve and go out water one-way valve so that the water entered from water feeding one-way valve can successfully pass through piston pump successively, go out
Water one-way valve, connecting tube and water supply connector.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the decomposition texture schematic diagram of the present invention.
Fig. 3 is the structure diagram of rotor assembly.
Fig. 4 is the decomposition texture schematic diagram for centrifuging pump portion.
81st, pump case;811st, external stator winding;812nd, electromagnet coil;813rd, piston pump case portion;814th, rotor field spider;82、
Piston pump cover;821st, water feeding one-way valve;822nd, go out water one-way valve;83rd, connecting tube;84th, centrifugal pump;840th, centrifugal pump shell;8401、
Partition board;8402nd, newel;841st, water supply connector;842nd, water outlet connector;843rd, pump cover is centrifuged;844th, centrifugal pump leaf;8441st, it pumps
Phyllopodium plate;8442nd, blade;8443rd, driven magnet;8444th, centre bore;85th, rotor assembly;851st, inner rotor magnets;852nd, circle
Column iron core;853rd, turntable;854th, drive magnet;855th, shaft;86th, piston;861st, permanent magnet.
Specific embodiment
Embodiment 1
According to Fig. 1 to Fig. 4, a kind of centrifugal water pump described in the present embodiment includes pump case 81, the pump case outer wall
External stator winding 811 and an electromagnet coil 812 there are one being fixedly mounted;Rotor branch there are two being fixedly mounted in the pump case
Frame 814, there are one rotor assembly 85 for rotation connection on two rotor field spiders;The rotor assembly includes to be rotated with rotor field spider
The shaft 855 of connection, the inner rotor magnets 851 being fixedly connected in shaft and cylinder iron core 852 and it is fixedly connected on shaft
Turntable 853 close to inner rotor magnets one end end;The inner rotor magnets are corresponding with external stator winding position, internal rotor magnetic
Iron collectively forms a motor with external stator winding;The cylinder iron core is corresponding with the position of electromagnet coil, cylinder iron core
An electromagnet is collectively formed with electromagnet coil;The inner rotor magnets are located between two rotor field spiders;Described turn
The 2-6 drive magnets 854 being distributed with circumference array are installed on disk;
The pump case close to the molding of one end of electromagnet coil there are one piston pump case portion 813, in the piston pump case portion
It is slidably installed there are one piston 86, piston is fixedly connected close to one end of cylinder iron core there are one permanent magnet 861, inside permanent magnet
Magnetic direction it is axially parallel with piston;Piston pump cover 82 there are one being tightly connected in the piston pump case portion, piston pump covers
Connection to go out water one-way valve 822 there are one water feeding one-way valve 821 and one;When the piston is moved near cylinder iron core, forever
There are the gaps of 0.5-1mm between magnet and cylinder iron core.
There are one centrifugal pump 84, the centrifugal pump includes the centrifugation being fixedly connected with pump case for the pump case other end connection
Pump case 840 forms partition board 8401 in centrifugal pump shell, and partition board intermediary form has newel 8402, is rotatably connected on newel
One centrifugal pump leaf 844;The centrifugal pump leaf includes pump phyllopodium plate 8441, is integrally formed in pump phyllopodium plate far from partition board side
3-6 on end face with the blades 8442 of circumference array distribution and are fixedly mounted on identical with drive magnet on pump phyllopodium plate
The driven magnet 8443 of quantity;The pump phyllopodium plate intermediary form has the centre bore 8444 with newel cooperation rotation connection, respectively
It is not connected between a blade;The side wall of the centrifugal pump shell forms water outlet connector 842, and the centrifugal pump shell is far from drive
One end of moving magnet is tightly connected there are one centrifugation pump cover, water supply connector that there are one the intermediate integrally connecteds of the centrifugation pump cover
841, the water supply connector is connect by connecting tube 83 with going out water one-way valve.
The drive magnet and driven magnet is permanent magnet;The inner rotor magnets are permanent magnet.The driving magnetic
Iron is identical with the magnetic direction of driven magnet, so as to attract each other, when drive magnet is rotated with turntable, and driven magnet and centrifugation
Pump leaf also rotates therewith.
The turntable forms the recess for accommodating the drive magnet, the drive on the end face far from inner rotor magnets side
It is adhesively fixed between moving magnet and recess inner wall by glue;The pump phyllopodium plate forms appearance on the end face of partition board side
Receive the shrinkage pool of the driven magnet, it is be bonded by glue between driven magnet and shrinkage pool inner wall.
The operation principle of the centrifugal water pump is such:The electromagnet coil and external stator winding are electric with control respectively
Road plate electrical connection, when centrifugal water pump is started to work, alternation electricity of the control circuit board to electromagnet coil input frequency for 2-5Hz
The electromagnet that stream, electromagnet coil and cylinder iron core are formed generates the magnetic field of alternation, is recycled between such electromagnet and permanent magnet
Real estate magnetisation field gravitation and repulsion, so as to which piston be made to move reciprocatingly.It draws water to after full of centrifugal pump, controls in piston pump at the latest
The external stator winding power supply of circuit board processed rotates inner rotor magnets, so as to which centrifugal pump leaf be driven to rotate.
In the present invention, by increasing a piston pump with centrifuging series connection of pumps, make centrifugal pump when higher than water surface elevation
Work can smoothly be started.Further, the cylinder iron core of the electromagnet of driving piston pump work is also simultaneously as internal rotor magnetic
The counterweight of iron makes operating steadily for centrifugation pump portion, after tested, compared to inner rotor magnets and cylinder iron core phase separation situation,
Efficiency improves more than 5%.
Embodiment 2
Difference lies in the electromagnet coil continues work to the present embodiment after centrifugal pump start-up operation with embodiment 1
Make, output power is set as the 30%-60% of centrifugal pump.The water projected in this way from water outlet connector is in the state of pressure oscillation.This kind
Centrifugal water pump is suitable on the physical therapy electric appliance of foot-bathing bucket one kind, and the water of pressure oscillation can play the role of massage.