CN109672292A - A kind of roller end positioning formula motor and its localization method - Google Patents
A kind of roller end positioning formula motor and its localization method Download PDFInfo
- Publication number
- CN109672292A CN109672292A CN201811605956.9A CN201811605956A CN109672292A CN 109672292 A CN109672292 A CN 109672292A CN 201811605956 A CN201811605956 A CN 201811605956A CN 109672292 A CN109672292 A CN 109672292A
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- Prior art keywords
- shaft
- magnet rotor
- motor
- rotor
- lumen
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
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- 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
- F04D13/0606—Canned motor pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention relates to a kind of roller end positioning formula motor and its localization methods, its motor includes stator coil, magnet rotor, shaft and rotor, the motor further includes shaft magnetic positioning unit, the shaft magnetic positioning unit includes magnetic part and position portion, wherein, the magnetic part is corresponding with the magnet rotor, and the position portion is corresponding with the shaft, which is located at the one end position of the shaft.
Description
Technical field
The present invention relates to a kind of motor and its shaft localization methods, and machine shaft can be positioned by particularly relating to one kind
Motor and its localization method.
Background technique
It is well known that motor is a kind of equipment for converting electrical current into mechanical energy.It is to use the power on coil (namely
Stator winding) it generates rotating excitation field and acts on rotor (such as squirrel-cage closure aluminium frame) formation electro-magnetic motor force rotation torque.Motor
Stator, rotor and shaft are generally comprised, for interior rotatable motor, rotor is fixed in shaft, in the prior art, such as
Fruit shaft is when being set in ball bearing base part, since bearing itself has positioning action so shaft generally can
It is enough to fix position and rotated along the axis of its own, but the higher cost of bearing, it can all be used in many pump body structures
Axle sleeve class formation positions shaft, and axle sleeve cannot prevent from wearing before and after shaft, so its stability of rotation is inevitable substantially
Degree decline, in addition, as shown in figure 13, gap is certainly existed between axle sleeve base part and bearing, if shaft turned position is not solid
It is fixed, certainly will in axle sleeve the abrasion loss of each position it is different, after long time running, the riding quality of product can significantly under
Drop, while will be greatly reduced product quality.
In the motor of water pump class product is constituted, as shown in Figure 1, domestic type reverse osmosis water purifier 100 traditional at present is
By booster pump 101, thick impurity filter core 102, thin impurity filter core 103, activated carbon cartridge 104, RO membrane tube (reverse osmosis
Membrane) 200, pure water pressure pot 300 and gooseneck depotition cock 301 etc. are formed, wherein booster pump 101, thick impurity filter core
102, thin impurity filter core 103, activated carbon cartridge 104 and RO membrane tube 200 are combined in a casing 105, and consumer is to producer
After purchase, special messenger can be sent to install into consumer family by producer, installation configuration construction is as shown in Figure 1, firstly, will pressurization
The water inlet of pump 101 is connected (not shown) with the running water pipe of water tap with water pipe, then the pure water of RO membrane tube 200 is gone out
Mouth 201 is connected to pure water pressure pot 300 via the wherein Single port of three-port check damper 302 with water pipe P1, separately by water pipe P2 through three
The another port of logical check-valves 302 is connected to gooseneck depotition cock 301, and the outlet 202 of the undrinkable water of RO membrane tube 200 is then with water
Pipe P3 is connected in the drainpipe P4 of 2 lower section of type washing trough, that is, the installation for completing entire domestic type reverse osmosis water purifier 100 is made
Industry.
As shown in Figure 1, above-mentioned domestic type reverse osmosis water purifier 100 cross drainage when, the sky of tap water W(as shown in figure 1
Shown in white arrow) by booster pump 101 pressurize after, i.e., sequentially pass through thick impurity filter core 102, thin impurity filter core 103, activated carbon cartridge
104 and RO membrane tube 200 is filtered, and the undrinkable water W2 of pure water W1 and high concentration is finally isolated by RO membrane tube 200, this is pure
Shown in the solid arrow of water W1(as shown in figure 1) it is stored in the inflow pure water pressure pot 300 of three-port check damper 302 by water pipe P1, it should
Undrinkable water W2(is as shown in the dotted arrow in Fig. 3) if drainpipe P4 flowed by water pipe P3 outward discharge；Wherein, thick impurity
Filter core 102 and thin impurity filter core 103 may filter that all size volume different impurities particle suspensions matter or organic matter in tap water
Matter, chlorine and other chemical substances, the membrane tube aperture of RO membrane tube 200 in the adsorbable tap water of activated carbon cartridge 104 only have 10-10
Rice may filter that the heavy metal in tap water W and various viruses, therefore via the pure water W1 that pure water outlet 201 flows out for people's drink
With, but via the undrinkable water W2 of 202 discharge of undrinkable water outlet, belong to crossing drainage and can not drinking for high concentration, flows into
Drainpipe P4 is discharged,
It is reverse osmosis water purifier 100 as described above its booster pump 101, thick impurity filter core 102, thin miscellaneous as shown in Figure 1, in practice
Matter filter core 103, activated carbon cartridge 104, RO membrane tube 200 are usually concentrated setting in a cabinet 400, and pure water pressure pot
300 since its volume is larger, so pure water pressure pot 300 is all independently arranged and is placed on 400 outside of cabinet, so as above
Traditional reverse osmosis water purifier 100 needs to occupy biggish position when installation, while when being assembled
Installation step is also comparatively laborious.
In order to overcome above-mentioned disadvantage, occur some integrated form water purifiers at present, as shown in Fig. 2, it uses water tank 401
Pure water pressure pot 300 is replaced, water tank 401 and cabinet 400 are become one later, such integrated form water purifier can be substantially
Degree reduces product overall dimensions, promotes product integrated level, while facilitating installation to assemble, but be to be able to pure water W1 by water
Case 401 is delivered in depotition cock 301, then needs to install water pump 402 additional between water tank 401 and depotition cock 301 to provide
Power.
As shown in figure 3, for the structural schematic diagram (not showing in shell, pump head lid figure) of traditional water pump 402, traditional water pump 402
It mainly include stator coil 403, magnet rotor 404, shaft 405, rotor 406 and sealing plate 407, stator coil 403, magnetic
Property rotor 404, shaft 405, rotor 406 and sealing plate 407 simultaneously be arranged in the shell, rotor 406 is located at pump
In skull, rotor 406 is rotated, water flow direction flowing as shown by the arrows in Figure 3,
As shown in figure 3, the end of shaft 405 is arranged in rotor 406, the fixation of magnet rotor 404 is set in shaft 405, fixed
Subcoil 403 is looped around 404 surrounding of magnet rotor, and when work, stator coil 403 is powered, and makes by electromagnetic induction principle
Magnet rotor 404 drives shaft 405 to rotate, and rotor 406 is driven to rotate simultaneously,
But there is also many disadvantages to be described below respectively now when concrete application for above-mentioned traditional water pump 402.
Firstly, must will be to magnet rotor 404 in order to make magnet rotor 404 not pollute the pure water of 406 position of rotor
It is sealed, is to be sealed against the mode in sleeve 408 by sealing plate 407 to realize, and shaft 405 needs in practice
External rotor 406, so perforation will necessarily be opened up on sealing plate 407, in this way, a small amount of pure water can necessarily penetrate shaft
Gap between 405 and perforation enters pollution magnet rotor 404 in seal chamber, and when contaminated pure water is flowed again by gap
When out, then will certainly polluted drinking water, and this is considered as the major deletions of traditional technology.
Secondly as shaft 405 is rotation when work, so the friction between shaft 405 and sealing plate 407 is made
With will certainly generate high temperature, shake and noise, and the generation of these problems will be greatly reduced the service life of water pump, drop simultaneously
The product quality of low water pump.
Again, in order to promote the magnetic effect of magnet rotor 404, magnet rotor 404 is all usually by neodymium iron boron class material
It is manufactured, and neodymium iron boron is usually all made of bonding mode, it includes there are many particulate matter, part of substance is met
Water can get rusty, while also be easy to fall off, and in order to protect Neodymium iron boron magnetic rotor 404, outside need wraps up shell, and wraps up outer
Shell first can increase the clearance distance between stator coil 403 and magnet rotor 404, weaken magnetic effect, and the second package is strict again
With the increase and the passage of time of hydraulic pressure leakage, leak finally can certainly will all occur for shell, and then can make magnet rotor 404
Failure, while pure water drinking water can be also polluted, it is as described above the major deletions of the prior art.
Summary of the invention
The technical solution used in the present invention are as follows: a kind of roller end positioning formula motor comprising stator coil, magnetic turn
Son, shaft and rotor, wherein the magnet rotor is arranged in the shaft, and rotor setting, should in the roller end
Stator coil ring is located at the magnet rotor surrounding.
The motor further includes shaft magnetic positioning unit, which includes magnetic part and positioning region
Point, wherein the magnetic part is corresponding with the magnet rotor, and the position portion is corresponding with the shaft, which is located at
The one end position of the shaft.
When the motor is in off working state, which does not contact with the shaft, when the motor is in work
When making state, which is powered, and the magnet rotor and the shaft start turning, this moment, the magnetic part with should
Magnetic attraction is generated between magnet rotor, pushes the magnet rotor and the shaft mass motion by the effect of the magnetic attraction and is made
The position portion is in contact with the shaft, at this point, making the shaft on fixed position and edge by the positioning action of the position portion
The axis rotation of its own.
The shaft has axial end, the position portion one end position that the shaft is arranged in corresponding with the axial end.
The contact position of the position portion and the shaft is a point.The position portion be it is spherical, the axial end of the shaft be it is planar,
Alternatively, the position portion is plate, the axial end of the shaft is spherical face.
The motor is assemblied in drinking water water pump, which includes pump head lid, bottom case, disrance sleeve and shaft-cup
Plate, wherein the disrance sleeve is plugged in the bottom case, and a stator seal chamber is formed between the disrance sleeve and the bottom case, should
Seal stator chamber is between the outer surface of the disrance sleeve and the inner surface of the bottom case, and stator coil setting is close in the stator
It seals in chamber, which is arranged in the lumen of the disrance sleeve, and the stator coil ring is made to be located at the magnet rotor surrounding, should
Magnetic part is also disposed in the lumen, which is located at the end of the disrance sleeve, meanwhile, which is in the pipe
At the nozzle of chamber, it is provided with axis hole on the shaft-cup plate, which is threaded through in the axis hole, which is located on the bottom case,
And by the pump head lid and the shaft-cup plate around a booster cavity is formed, which is arranged in the booster cavity, which covers
It is provided with inlet opening and apopore, the inlet opening and the apopore are all connected with the booster cavity, which fixes
It is arranged in the booster cavity, the position which is in contact with the shaft is immersed in drinking water.
The shaft-cup plate is arranged between the booster cavity and the lumen, offers intercommunicating pore on the shaft-cup plate, which connects
Logical to be arranged between the booster cavity and the lumen, when the drinking water pump working, which rotates in the booster cavity,
It drinking water to be pumped into from the inlet opening, is pumped out from the apopore, in the process, the drinking water in the booster cavity passes through the axis
The intercommunicating pore of cover board circulates between the booster cavity and the lumen, and the drinking water in the booster cavity passes through the shaft-cup plate
The intercommunicating pore enters in the lumen, is immersed in the magnet rotor and the shaft in the drinking water in the lumen.
A kind of localization method of roller end positioning formula motor, it is characterised in that: the motor includes stator coil, magnetic turn
Son, shaft and rotor, wherein the magnet rotor is arranged in the shaft, and in the roller end, this is fixed for rotor setting
Sub-line ring is located at the magnet rotor surrounding, which further includes shaft magnetic positioning unit, the shaft magnetic positioning unit packet
Include magnetic part and position portion, wherein the magnetic part is corresponding with the magnet rotor, the position portion and the shaft phase
Corresponding, which is located at the one end position of the shaft, when the motor is in off working state, the position portion
It is not contacted with the shaft, when the motor is in running order, which is powered, the magnet rotor and the shaft
It starts turning, this moment, generates magnetic attraction between the magnetic part and the magnet rotor, push the magnetic by the effect of the magnetic attraction
Property rotor and the shaft mass motion and the position portion is made to be in contact with the shaft, at this point, being determined by the position portion
Position effect makes the shaft in fixed position and rotates along the axis of its own.
The invention has the benefit that in the present invention when motor is in off working state, the position portion with
The shaft does not contact, and when the motor is in running order, which is powered, and the magnet rotor and the shaft are opened
Begin to rotate, this moment, generates magnetic attraction between the magnetic part and the magnet rotor, push the magnetism by the effect of the magnetic attraction
Rotor and the shaft mass motion simultaneously make the position portion be in contact with the shaft, at this point, passing through the positioning of the position portion
Effect makes the shaft in fixed position and rotates along the axis of its own, promotes the magnet rotor and the stability of rotation of the shaft
Property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of known reverse osmosis water purifier.
Fig. 2 is the structural schematic diagram of known integrated form water purifier.
Fig. 3 is the structural schematic diagram of known water pump.
Fig. 4 is the overall three-dimensional structure of water pump of the present invention.
Fig. 5 is the schematic diagram of the section structure of water pump of the present invention.
Fig. 6 is the dimensional decomposition structure diagram of water pump of the present invention.
Fig. 7 is the schematic diagram of the section structure of magnet rotor shaft of the present invention and water wheels.
Fig. 8 is the schematic perspective view of disrance sleeve of the present invention.
Fig. 9 is magnet rotor of the present invention, shaft, the perspective exploded view of water wheels, disrance sleeve and shaft-cup plate.
Figure 10 is that the stereo decomposing of magnet rotor of the present invention, shaft, water wheels, disrance sleeve and another angle of shaft-cup plate shows
It is intended to.
Figure 11 is the shaft positioning schematic diagram that end of the present invention positions formula motor.
Figure 12 is the structural schematic diagram of shaft of the present invention and position portion.
Figure 13 is the schematic diagram of shaft of the present invention operating.
Specific embodiment
As shown in figure 11, a kind of roller end positions formula motor comprising stator coil 10, magnet rotor 20, shaft 30
And rotor 40.The rotor 40 can be water wheels, impeller, flabellum etc..
Wherein, which is arranged in the shaft 30, which is arranged in 30 end of shaft, the stator
10 ring of coil is located at 20 surrounding of magnet rotor.
When work, which is powered, and by electromagnetic induction principle, under the influence of a magnetic field turns the magnetism
Son 20 drives the shaft 30 rotation, and the rotor 40 is driven to rotate simultaneously.
The motor further includes shaft magnetic positioning unit 900.
The shaft magnetic positioning unit 900 includes magnetic part 901 and position portion 902.
Wherein, the magnetic part 901 is corresponding with the magnet rotor 20, and the position portion 902 is corresponding with the shaft 30,
The position portion 902 is located at the one end position of the shaft 30.
When the motor is in off working state, which does not contact with the shaft 30.
When the motor is in running order, which is powered, the magnet rotor 20 and the shaft 30
It starts turning, this moment, generates magnetic attraction between the magnetic part 901 and the magnet rotor 20, pushed away by the effect of the magnetic attraction
It moves the magnet rotor 20 and 30 mass motion of shaft and the position portion 902 is made to be in contact with the shaft 30, at this point, passing through
The positioning action of the position portion 902 makes the shaft 30 in fixed position and rotates along the axis of its own, promotes the magnetism and turns
The stability of rotation of son 20 and the shaft 30.
In the prior art, if shaft is to determine when being set in ball bearing base part since bearing itself has
Position effect is so shaft can generally be rotated in fixed position and along the axis of its own, but the higher cost of bearing,
Can all axle sleeve class formation be used to position shaft in many pump body structures, and axle sleeve cannot prevent from wearing before and after shaft, institute
With its stability of rotation certainty sharp fall, in addition, as shown in figure 13, between being certainly existed between axle sleeve base part and bearing
Gap, if shaft turned position is not fixed, certainly will the abrasion loss of each position is different in axle sleeve, after long time running, produce
The riding quality meeting sharp fall of product, while will be greatly reduced product quality.
As shown in figure 12, when specific implementation, which has axial end, the position portion 902 and the shaft end
The corresponding one end position that the shaft 30 is set in face.
In practice, which can be correspondingly arranged at the top or bottom end of the shaft 30, can also describe
For the position portion 902 can be correspondingly arranged at the left or right end of the shaft 30.
When specific implementation, the contact position of the position portion 902 and the shaft 30 is a point.
, can also be by the way of face contact in practice, but the mode of face contact will increase the position portion 92 and be somebody's turn to do
The contact area of shaft 30, and then frictional force between the two is promoted, so the mode of the preferred point contact of the present invention.
As shown in figure 12, when specific implementation, the position portion 902 can for steel ball or ceramic bead etc., this moment,
The axial end of the shaft 30 is planar, the position portion 902 or steel plate or ceramic wafer etc., this moment, the shaft 30
Axial end be spherical face, in short, the structure for the purpose of realizing point contact is all mentality of designing of the invention.
When specific implementation, which can be with the magnet rotor by iron plate, iron hoop, iron block etc.
The material of 20 generation magnetic force is made.
When specific implementation, the motor of the invention is assemblied in drinking water water pump.
As Figure 4-Figure 6, which includes pump head lid 50, bottom case 60, disrance sleeve 70 and shaft-cup plate 80.
Wherein, which is plugged in the bottom case 60, forms one between the disrance sleeve 70 and the bottom case 60
Seal stator chamber 91, the seal stator chamber 91 are between the outer surface of the disrance sleeve 70 and the inner surface of the bottom case 60.It should
Stator coil 10 is arranged in the seal stator chamber 91.
The magnet rotor 20 is arranged in the lumen 92 of the disrance sleeve 70, so that 10 ring of stator coil is located at the magnetism and turns
Sub 20 surroundings.The magnetic part 901 is also disposed in the lumen 92.
The shaft-cup plate 80 covers the end for being located at the disrance sleeve 70, meanwhile, which is in the nozzle of the lumen 92
Place.
It is provided with axis hole 81 on the shaft-cup plate 80, which is threaded through in the axis hole 81.
The pump head lid 50 lid is located on the bottom case 60, and is pressurized by the pump head lid 50 and the shaft-cup plate 80 around forming one
Chamber 93, the rotor 40 are arranged in the booster cavity 93.
Inlet opening 51 and apopore 52 are provided on the pump head lid 50, the inlet opening 51 and the apopore 52 all with this
Booster cavity 93 is connected.
When work, which rotates in the booster cavity 93, and drinking water is pumped into from the inlet opening 51, from
The apopore 52 pumps out.
The position portion 902 is fixed in the booster cavity 93, the position which is in contact with the shaft 30
It sets and is immersed in drinking water, to have the function that lubrication.
As shown in Fig. 4 to 10, which is arranged between the booster cavity 93 and the lumen 92, opens on the shaft-cup plate 80
Equipped with intercommunicating pore 82, the intercommunicating pore 82 connection is arranged between the booster cavity 93 and the lumen 92.
When the drinking water pump working, which rotates in the booster cavity 93, by drinking water from this into
Water hole 51 is pumped into, and is pumped out from the apopore 52, in the process, drinking water being somebody's turn to do by the shaft-cup plate 80 in the booster cavity 93
Intercommunicating pore 82 circulates between the booster cavity 93 and the lumen 92.
Drinking water in the booster cavity 93 is entered in the lumen 92 by the intercommunicating pore 82 of the shaft-cup plate 80, makes the magnetic
Property rotor 20 and the shaft 30 are immersed in the drinking water in the lumen 92.
As described above, the drinking water in the booster cavity 93 can be introduced into the lumen 92 by the intercommunicating pore 82 by the present invention
In, and it is immersed in the magnet rotor 20 and the shaft 30 in drinking water, simultaneously, additionally it is possible to make drinking water in the booster cavity 93
It is circulated between the lumen 92, mainly realizes following effect.
The first, the shaft 30 is inevitable in the course of rotation can generate friction correspondingly rotating position, which soaks
Bubble can be lubricated 30 various pieces of shaft in drinking water, substantially reduce rotation friction.
The second, the shaft 30 is in the course of rotation due to the presence of frictional force, so the rotating part of water pump will necessarily
Frictional heating can be to the rotation of water pump the characteristics of being circulated between the booster cavity 93 and the lumen 92 by drinking water
Part especially magnet rotor 20 and shaft 30 carry out Fast Persistence heat dissipation, reduce the operating temperature of water pump, and then promote water
The service life of pump.
Third, since the magnet rotor 20 and the shaft 30 be to be immersed in drinking water high speed in the lumen 92 to rotate
, so being able to ascend the magnet rotor 20 and the stability of rotation of the shaft 30, reduces and vibrate and then reduce noise.
When specific implementation, the magnet rotor 20 is by iron oxide (Fe3O4) be made, magnet rotor made of iron oxide
It is to be formed by thousand degree or more of high temperature sintering, so it is met water non-corrosive, does not fall off, can be immersed directly in drinking water,
Without polluted-water, so package shell is not needed outside it, due to not needing package shell outside it so can reduce
Gap between rotor and stator, enhancing magnetic effect, meanwhile, iron oxide material is low in cost, and product cost can be greatly lowered.
When specific implementation, it is provided with axle sleeve 83 in the axis hole 81 of the shaft-cup plate 80, which is threaded through this
In axle sleeve 83, which is made of wear-resistant material, for example, wear-resistant plastic etc., to promote the wearability of the shaft-cup plate 80, this turn
Axis 30 and the axle sleeve 83 are all made of ceramic materials.
When specific implementation, which is also arranged with gasket 31, to avoid occurring to wear before and after shaft
Dynamic the occurrence of wearing magnet rotor 20.
When specific implementation, which includes tube body 71 and pipe ring 72, which is fixedly connected on
The end of the tube body 71, the pipe ring 72 are pressed between the pump head lid 50 and the bottom case 60.
When specific implementation, several intercommunicating pores 82 are offered on the shaft-cup plate 80, several intercommunicating pores 82
Ring is located at 81 surrounding of axis hole.
When specific implementation, which is convexly equipped with boss 84, which is plugged in the lumen
In 92 nozzle, several intercommunicating pores 82 are provided in the boss 84.
Specific implementation when, can be set between the pipe ring 72 and the shaft-cup plate 80 of the disrance sleeve 70 card slot,
Fixture block or similar structures, to complete the connection of the shaft-cup plate 80 and the disrance sleeve 70.
Specific implementation when, the drinking water water pump be assemblied in reverse osmosis water purifier water tank and depotition cock it
Between, the drinking water in water tank is pumped out from depotition cock for people to use.
When specific implementation, the inlet opening 51 of the pump head lid 50 is connected with probe tube 53, in the probe tube 53
It is plugged with probe, and then has the function that statistics, measurement water pumping amount.
A kind of localization method of roller end positioning formula motor, which includes stator coil 10, magnet rotor 20, shaft
30 and rotor 40.
Wherein, which is arranged in the shaft 30, which is arranged in 30 end of shaft, the stator
10 ring of coil is located at 20 surrounding of magnet rotor.
The motor further includes shaft magnetic positioning unit 900, which includes magnetic part 901
And position portion 902, wherein the magnetic part 901 is corresponding with the magnet rotor 20, the position portion 902 and the shaft
30 is corresponding, which is located at the one end position of the shaft 30.
When the motor is in off working state, which does not contact with the shaft 30, at the motor
When working condition, which is powered, and the magnet rotor 20 and the shaft 30 start turning, this moment, the magnetic
Inhale and generate magnetic attraction between part 901 and the magnet rotor 20, by the effect of the magnetic attraction push the magnet rotor 20 and
30 mass motion of shaft simultaneously makes the position portion 902 be in contact with the shaft 30, at this point, being determined by the position portion 902
Position effect rotates the shaft 30 in fixed position and along the axis of its own, promotes the magnet rotor 20 and the shaft 30
Stability of rotation.
Claims (10)
1. a kind of roller end positions formula motor comprising stator coil, magnet rotor, shaft and rotor, wherein should
Magnet rotor is arranged in the shaft, which is arranged in the roller end, which is located at the magnet rotor four
Week, it is characterised in that:
The motor further includes shaft magnetic positioning unit, which includes magnetic part and position portion,
Wherein, the magnetic part is corresponding with the magnet rotor, and the position portion is corresponding with the shaft, which is located at this turn
The one end position of axis.
2. a kind of roller end as described in claim 1 positions formula motor, it is characterised in that: when the motor is in inoperative shape
When state, which does not contact with the shaft, and when the motor is in running order, which is powered,
The magnet rotor and the shaft start turning, and this moment, magnetic attraction are generated between the magnetic part and the magnet rotor, by this
The effect of magnetic attraction pushes the magnet rotor and the shaft mass motion and the position portion is made to be in contact with the shaft, this
When, which is made in fixed position by the positioning action of the position portion and is rotated along the axis of its own.
3. a kind of roller end as described in claim 1 positions formula motor, it is characterised in that: the shaft has axial end, should
The position portion one end position that the shaft is set corresponding with the axial end.
4. a kind of roller end as described in claims 1 to 3 any one positions formula motor, it is characterised in that: the positioning region
Dividing with the contact position of the shaft is a point.
5. a kind of roller end as claimed in claim 4 positions formula motor, it is characterised in that: the position portion be it is spherical, should
The axial end of shaft is planar, alternatively, the position portion is plate, the axial end of the shaft is spherical face.
6. a kind of roller end as claimed in claim 3 positions formula motor, it is characterised in that: the motor is assemblied in drinking water water
In pump, which includes pump head lid, bottom case, disrance sleeve and shaft-cup plate, wherein the disrance sleeve is plugged in the bottom
In shell, a stator seal chamber is formed between the disrance sleeve and the bottom case, which is in the outer of the disrance sleeve
Between surface and the inner surface of the bottom case, which is arranged in the seal stator chamber,
The magnet rotor is arranged in the lumen of the disrance sleeve, and the stator coil ring is made to be located at the magnet rotor surrounding, the magnetic
Part is inhaled to be also disposed in the lumen,
The axis cover plate lid is located at the end of the disrance sleeve, meanwhile, which is at the nozzle of the lumen,
It is provided with axis hole on the shaft-cup plate, which is threaded through in the axis hole,
The pump head lid lid is located on the bottom case, and is surrounded by the pump head lid and the shaft-cup plate and formed a booster cavity, the rotor
It is arranged in the booster cavity,
The pump head, which covers, is provided with inlet opening and apopore, and the inlet opening and the apopore are all connected with the booster cavity,
The position portion is fixed in the booster cavity, and the position which is in contact with the shaft is immersed in drinking water
In.
7. a kind of roller end as claimed in claim 6 positions formula motor, it is characterised in that: the shaft-cup plate is arranged in the pressurization
Between chamber and the lumen, intercommunicating pore is offered on the shaft-cup plate, intercommunicating pore connection is arranged between the booster cavity and the lumen,
When the drinking water pump working, which rotates in the booster cavity, and drinking water is pumped into from the inlet opening,
It is pumped out from the apopore, in the process, the drinking water in the booster cavity is by the intercommunicating pore of the shaft-cup plate in the booster cavity
It is circulated between the lumen,
Drinking water in the booster cavity is entered in the lumen by the intercommunicating pore of the shaft-cup plate, is made the magnet rotor and is somebody's turn to do
Shaft is immersed in the drinking water in the lumen.
8. a kind of roller end as claimed in claim 7 positions formula motor, it is characterised in that: the magnet rotor is iron by aoxidizing
At.
9. a kind of roller end as claimed in claim 7 positions formula motor, it is characterised in that: the disrance sleeve include tube body with
And pipe ring, the pipe ring are fixedly connected on the end of the tube body, which is pressed between the pump head lid and the bottom case, the shaft-cup
Several intercommunicating pores are offered on plate, several connection orifice rings are located at the axis hole surrounding, the shaft-cup plate central location projection
There is boss, which is plugged in the nozzle of the lumen, several intercommunicating pores are provided in the boss.
10. a kind of localization method of roller end positioning formula motor, it is characterised in that: the motor includes stator coil, magnetic turn
Son, shaft and rotor, wherein the magnet rotor is arranged in the shaft, and in the roller end, this is fixed for rotor setting
Sub-line ring is located at the magnet rotor surrounding,
The motor further includes shaft magnetic positioning unit, which includes magnetic part and position portion,
Wherein, the magnetic part is corresponding with the magnet rotor, and the position portion is corresponding with the shaft, which is located at this turn
The one end position of axis,
When the motor is in off working state, which does not contact with the shaft, when the motor is in work shape
When state, which is powered, and the magnet rotor and the shaft start turning, this moment, the magnetic part and the magnetism
Magnetic attraction is generated between rotor, pushes the magnet rotor and the shaft mass motion by the effect of the magnetic attraction and keeps this fixed
Bit position is in contact with the shaft, at this point, by the positioning action of the position portion make the shaft fixed position and along its from
The axis of body rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605956.9A CN109672292A (en) | 2018-12-27 | 2018-12-27 | A kind of roller end positioning formula motor and its localization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605956.9A CN109672292A (en) | 2018-12-27 | 2018-12-27 | A kind of roller end positioning formula motor and its localization method |
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| CN109672292A true CN109672292A (en) | 2019-04-23 |
Family
ID=66147278
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811605956.9A Pending CN109672292A (en) | 2018-12-27 | 2018-12-27 | A kind of roller end positioning formula motor and its localization method |
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Citations (6)
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| CN1661889A (en) * | 2004-02-24 | 2005-08-31 | 建准电机工业股份有限公司 | Electromotor of possessing structure for rotational balancing rotor |
| CN2791322Y (en) * | 2005-04-21 | 2006-06-28 | 元山科技工业股份有限公司 | Radiating fan |
| CN202851381U (en) * | 2012-10-23 | 2013-04-03 | 河北深海电器有限公司 | Direct current brushless magnetic force water pump |
| CN104329282A (en) * | 2014-10-30 | 2015-02-04 | 中国核动力研究设计院 | Electromagnetically-lifted fully-sealed pump and start-stop method thereof |
| CN208285181U (en) * | 2018-04-19 | 2018-12-25 | 常州雷利电机科技有限公司 | Motor, electronic shield formula liquid pump, fluid circulation system and vehicle |
| CN209994198U (en) * | 2018-12-27 | 2020-01-24 | 佛山市三角洲电器科技有限公司 | Motor with positioning type rotating shaft end |
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2018
- 2018-12-27 CN CN201811605956.9A patent/CN109672292A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661889A (en) * | 2004-02-24 | 2005-08-31 | 建准电机工业股份有限公司 | Electromotor of possessing structure for rotational balancing rotor |
| CN2791322Y (en) * | 2005-04-21 | 2006-06-28 | 元山科技工业股份有限公司 | Radiating fan |
| CN202851381U (en) * | 2012-10-23 | 2013-04-03 | 河北深海电器有限公司 | Direct current brushless magnetic force water pump |
| CN104329282A (en) * | 2014-10-30 | 2015-02-04 | 中国核动力研究设计院 | Electromagnetically-lifted fully-sealed pump and start-stop method thereof |
| CN208285181U (en) * | 2018-04-19 | 2018-12-25 | 常州雷利电机科技有限公司 | Motor, electronic shield formula liquid pump, fluid circulation system and vehicle |
| CN209994198U (en) * | 2018-12-27 | 2020-01-24 | 佛山市三角洲电器科技有限公司 | Motor with positioning type rotating shaft end |
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