CN102738962A - Motor bearing lubricating structure and motor for wet operating pump - Google Patents
Motor bearing lubricating structure and motor for wet operating pump Download PDFInfo
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- CN102738962A CN102738962A CN2012102052073A CN201210205207A CN102738962A CN 102738962 A CN102738962 A CN 102738962A CN 2012102052073 A CN2012102052073 A CN 2012102052073A CN 201210205207 A CN201210205207 A CN 201210205207A CN 102738962 A CN102738962 A CN 102738962A
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- 239000012530 fluid Substances 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims description 65
- 238000005461 lubrication Methods 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 25
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- 230000000994 depressogenic effect Effects 0.000 claims description 11
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- 229910000859 α-Fe Inorganic materials 0.000 claims description 6
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- 238000007789 sealing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 description 42
- 238000002347 injection Methods 0.000 description 24
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- 238000012545 processing Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
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Abstract
The invention relates to a motor bearing lubricating structure for a wet operating pump. The motor for the wet operating pump comprises a sleeve, a stator component and a rotor component, wherein the sleeve is positioned between the stator component and the rotor component; a bearing is arranged between a rotating shaft of the rotor component and the bottom of the sleeve; and one or more fluid channels is/are formed on a bearing body. The invention also relates to a motor employing the bearing lubricating structure. The stator component is integrally and seamlessly connected with the sleeve through a pole shoe of the stator component; and a stator core of the stator component is connected with the pole shoe through a chase mortise structure in a matching mode. The fluid directly penetrates through the fluid channels and contacts and impacts the bearing, the problems that the bearing is dry in operation to generate high-degree wear and the temperature is raised are solved, and the service life of the motor bearing for the wet operating pump is greatly prolonged; and meanwhile, the motor for the wet operating pump is simple in structure, low in manufacturing cost and suitable for large-scale popularization and application in production.
Description
Technical field
The present invention relates to a kind of wet type operation electric motor for pump parts, be specifically related to a kind of wet type process pump and use the motor bearings lubrication system, the invention still further relates to the wet type operation electric motor for pump of using this bearing lubrication structure, especially be fit to be applied to the dishwasher field.
Background technology
Pump is conveyance fluid or the machinery that makes fluid pressurized; Its operation principle sends fluid to for mechanical energy or other external energies that adopts electric motor for pump to produce; Fluid energy is increased, be mainly used in conveyance fluid and comprise water, oil, acid & alkali liquid, emulsion, suspension and liquid metals etc.And general main dry-running electric motor for pump and the wet type operation electric motor for pump of comprising of electric motor for pump.The dry-running electric motor for pump is meant the motor overall package; Rotating shaft one end stretches out from motor overall package part; As the energy output of electric motor for pump, penetrate in the motor overall package part in order further to prevent conveyance fluid, generally seal member is set and is sheathed in the rotating shaft in motor overall package part and rotating shaft external part junction; In order to make motor integral body, need complicacy, expensive hermetically-sealed construction with respect to conveyance fluid positiver sealing for a long time.Wet type operation electric motor for pump has been removed complicated hermetically-sealed construction through setting up sleeve pipe; This sleeve pipe is located between stator and the rotor; Rotor is positioned at sleeve pipe and contacts with conveyance fluid; Sleeve pipe makes rotor space seal with respect to stator space, prevents mainly that conveyance fluid from infiltrating not allow in contacting with fluid, the charged stator.Carry liquid entering wet type to move in the sleeve pipe of electric motor for pump and with rotor assembly simultaneously and contact, said conveying liquid also can be used for lubricating bearings.Yet; In practical application, all can find still the situation that air remains in the bearing region that is arranged in sleeve bottom to take place; The wearing and tearing that make the bearing dry-running and draw its higher degree; The temperature that causes the bearing that is positioned at sleeve bottom is too high, causes bearing performance can't satisfy actual motion requirement or performance failure.
For solving the problems of the technologies described above; At present existing correlation technique is open; Like publication number is that the Chinese patent of CN101680486 discloses a kind of bearing cap that is used to support the axle of wet type operation electric motor for pump; Said bearing cap has the bearing that is used for bearing, particularly sliding bearing, said bearing on the outer surface of bearing around bearing.Said bearing comprises a plurality of sections, and said section ground located adjacent one another annular is provided with, and makes between the section of per two adjacent settings, to form a passage respectively that fluid flows through said passage.Though this bearing lubrication channel design has solved the wet type process pump with the lubricated problem of avoiding its dry-running of motor bearings, its annular shape section structure that on bearing spider, is provided with is complicated, and manufacturing cost is high.Also there is more defective in existing simultaneously disclosed wet type operation electric motor for pump.
Summary of the invention
The technical problem that the present invention will solve provides the motor of a kind of wet type process pump with motor bearings lubrication system and application thereof; Effectively avoid the wet type process pump to produce higher degree wearing and tearing with the dry-running of motor bearings and caused the high problem of temperature; Improved the useful life of wet type process pump greatly with motor bearings; Simultaneously it is simple in structure, low cost of manufacture, and the scale that is highly suitable in the production is applied.
Technical scheme of the present invention is:
A kind of wet type process pump is used the motor bearings lubrication system; Described wet type operation electric motor for pump comprises sleeve pipe, stator module, rotor assembly; Sleeve pipe is between stator module and rotor assembly, and rotor assembly is positioned at sleeve pipe, and sleeve pipe makes the rotor assembly space with respect to the stator module space sealing; Bearing is arranged between the rotating shaft and sleeve bottom of rotor assembly, wherein: on bearing body, be provided with one or more fluid passageways.
Preferably, described fluid passageway is a through hole.
Preferably, described fluid passageway is a groove.
For the ease of the smooth circulation of fluid, reduce the resistance of fluid flow, preferably, described fluid passageway is axially to be provided with.
Further preferably, the quantity in described fluid passageway can be 2-10, and most preferably, the quantity in fluid passageway is 4.
Because in the practical application; Can contain a certain proportion of impurity inevitably in the fluid; When being applied to the dishwasher field as the present invention, preferably, described sleeve bottom is provided with the support of bearing; Bearing is between the rotating shaft and the support of bearing of rotor assembly; The described support of bearing is provided with breach, and breach and through hole cooperate and also combine the gap between rotor assembly and the sleeve pipe to form complete fluid passage, and the impurity that complete fluid passage is in full force and effect have been avoided mixing in the fluid is deposited on and results in blockage in the bearing region and damage the situation that associated components causes motor to move and take place.Further preferably, described breach quantity can be 1-4, and most preferably, described breach quantity is 1-2, certainly, and the concrete according to actual needs quantity of selecting breach of the present invention.Bearing region of the present invention is meant and comprises bearing and near the zone that is positioned at sleeve pipe of bearing.
Preferably, described fluid passageway is shaped as any one of square, circular, oval, polygon or other shapes.According to according to actual needs, select the shape in fluid of the present invention passageway.
Preferably, the described support of bearing and the sleeve pipe structure that is formed in one, further preferably, the described support of bearing and sleeve pipe are that one is injection molded, are convenient to processing and manufacturing, and simplify assembly process.Certainly, also can adopt split type fixed connection structure.
Bearing body of the present invention can be the bearing arrangement in the existing routine techniques, preferably, and the bearing arrangement of processing for plastic material.
The described bearing lubrication structure of theme of the present invention all is meant the rotating shaft that is arranged on rotor assembly and the bearing between the sleeve bottom; Because the bearing that only is positioned at here exists dry-running, the lubricated technical problem of needs; Be arranged on the rotating shaft of rotor assembly and the problem that there is not dry-running in second bearing between the sleeve pipe oral area; So do not belong in the described bearing lubrication structure scope of theme of the present invention, therefore the bearing that does not add qualification according to the invention all refers to be arranged on the rotating shaft of rotor assembly and the bearing between the sleeve bottom.
In addition; Be provided with second bearing between the rotating shaft of described rotor assembly and the sleeve pipe oral area; Comprise second support of bearing particularly; Described second support of bearing can be simultaneously as installing cover plate, and second support of bearing is fixedly mounted on the sleeve pipe oral area, and second bearing is arranged between the rotating shaft and second support of bearing of rotor assembly.
Further preferably, between the described bearing and the support of bearing or between second bearing and second support of bearing O type packing ring can also be set, effectively adjust the concentricity of the bearing or second bearing, reduce wearing and tearing simultaneously the bearing or second bearing.
Owing to be arranged on the rotating shaft of rotor assembly and the operation that second bearing between the sleeve pipe oral area is used to support subordinate's load, receive force intensity strong, under moving for a long time; Second bearing and rotor assembly friction for a long time cause the extent of damage of second bearing high; Can't be guaranteed its useful life, further preferably, and in order to solve the wear problem of second bearing; Between second bearing and rotor assembly, be provided with anti-wear parts by the anti-wear material preparation; Specifically can be arranged on rotor core end, directly contact, effectively reduce the degree of wear of second bearing with second bearing near second bearing.Preferably, described anti-wear parts are obtained by ceramic material, and most preferably, described anti-wear parts are prepared by alumina ceramic material.
A kind of wet type operation electric motor for pump comprises that described wet type process pump uses the motor bearings lubrication system, and wherein: described stator module and sleeve pipe are integral type, seamless connecting structure.
Preferably, pole shoe and sleeve pipe integral type, the seamless link of described stator module through stator module, the stator core of described stator module is connected through the chase mortise respective outer side edges with pole shoe.Further preferably; Described chase mortise structure is meant: described stator module comprises stator core, stator coil, pole shoe; Stator core inner periphery one is extended a plurality of stator tooths spaced apart; Pole shoe and stator tooth chase mortise formula are connected, and described pole shoe outer face is provided with the mating recesses with each stator tooth corresponding matching, and the stator tooth end is provided with the cooperation tenon portion that its mating recesses is connected.Natch, described chase mortise structure also can be meant on described pole shoe outer face, be provided with each stator tooth corresponding matching cooperate tenon portion, the stator tooth end is provided with its mating recesses that cooperates tenon portion to be connected.Because the area of stator tooth end is less; Be not easy to be provided with the mating recesses structure; Therefore on the pole shoe outer face, be provided with the mating recesses with each stator tooth corresponding matching, the chase mortise fit structure that the stator tooth end is provided with the cooperation tenon portion that its mating recesses is connected is a more preferably scheme.
Preferably, stator module of the present invention comprises insulation framework, can be divided into insulation framework and following insulation framework, is separately positioned on the upper and lower side of stator core, and the stator coil winding is on the stator tooth that is insulated the skeleton covering.
Preferably, described integral type, seamless connecting structure are the injection moulding syndeton.Need to prove that integral type of the present invention, seamless connecting structure are that the pole shoe and the sleeve pipe of stator module is integral type, seamless connecting structure, specifically can be the injection moulding syndeton.
The present invention is under the condition that satisfies the casing strength requirement, and the stator module of integral type of the present invention, seamless link and sleeve pipe have significantly reduced the required wall thickness of sleeve pipe, have effectively reduced the air gap between stator module and the rotor assembly, have improved the operational efficiency of motor; The present invention simultaneously adopts simple Shooting Technique just effectively to reduce the air gap between stator module and the rotor assembly, and preparation technology is simple, and cost is low, and long service life.
Further preferably, directly injection moulding obtains sleeve pipe on pole shoe, then the stator tooth of stator module and pole shoe is carried out chase mortise respectively one by one and is connected the integral type that obtains, the stator module of seamless connecting structure and sleeve pipe.Described pole shoe can be split type pole shoe, also can be the pole shoe ring structure of integral type.Further preferably; Described split type pole shoe with respect to the pole shoe ring structure of integral type; Making manufacturing procedure can be loaded down with trivial details relatively; But can be significantly less than the pole shoe ring structure of integral type for the motor electromagnetic Effect on Performance, specifically can require to select for use split type pole shoe for the electromagnetic efficiency of motor according to reality still is the pole shoe ring structure of integral type.
When on described split type pole shoe, carrying out injection moulding and obtain sleeve pipe, need guarantee before injection moulding, pole shoe firmly to be positioned in the injection mold, otherwise; In injection moulding process, pole shoe can produce skew in injection mold, and then influences the wall thickness uniformity of sleeve pipe; The intensity of sleeve pipe not only can't be guaranteed, but also can cause the air gap of rotor assembly and stator module inhomogeneous, influences the operational efficiency of motor; Therefore, satisfy the injection moulding requirement, how guaranteeing pole shoe firmly is positioned in the injection mold is very crucial precondition; Preferably, the present invention proposes a kind of novel pole shoe structure in order to realize the strong fix of pole shoe in injection mold:
A kind of knockdown wet type process pump is with motor stator component and sleeve pipe; Comprise stator module, sleeve pipe, wherein: described stator module comprises stator core, stator coil, pole shoe, and stator core inner periphery one is extended a plurality of stator tooths spaced apart; Described pole shoe one end and stator tooth are connected; One injection moulding sleeve pipe on the other end, (pole shoe comprises two end faces to the end face of the non-injection moulding sleeve pipe of described pole shoe, and an end face is used for the injection moulding sleeve pipe; The other end is the end face of the non-injection moulding sleeve pipe here) or the side be provided with one or more positioning elements, positioning element can be stablized with injection mold and cooperates.
Preferably, described positioning element can be detent.Natch; Described positioning element also can be location lug portion; But with respect to location lug portion, detent is scheme most preferably, and the applicant obtains through test of many times; Operational efficiency when the motor operational efficiency when positioning element is detent is higher than positioning element and is location lug portion, this is because the design of location lug portion can influence the electromagnetic efficiency of motor to a certain extent.
Preferably, described at least one positioning element is positioned on the pole shoe side, effectively strengthens the location intensity of pole shoe in injection mold.
Preferably, described being connected is connected for the chase mortise formula.
The be connected end face that is meant described pole shoe one end of pole shoe one end of the present invention and stator tooth is provided with the component with each stator tooth corresponding matching.
Preferably, the end face of described pole shoe one end is provided with the mating recesses with each stator tooth corresponding matching, and the stator tooth end is provided with the cooperation tenon portion that its mating recesses is connected.
Preferably, the quantity of described positioning element is 3, the bikini location when being implemented in injection moulding sleeve pipe on the pole shoe other end of stator module in injection mold.
Preferably, described component becomes positioning element simultaneously, the location when being implemented in injection moulding sleeve pipe on the pole shoe other end of stator module in injection mold.Particularly, when component was mating recesses, described mating recesses became positioning element simultaneously, the location when being implemented in injection moulding sleeve pipe on the pole shoe other end of stator module in injection mold.
Preferably, described pole shoe is a split-type structural, and the end face that pole shoe and stator tooth are connected is provided with one or more depressed parts.
Preferably, pole shoe is placed and is positioned in the injection mold, injection moulding obtains sleeve pipe on pole shoe, then the pole shoe other end through with being connected of stator tooth, obtain knockdown wet type process pump with motor stator component and sleeve pipe.
Preferably, the said pole shoe location structure that is used to be positioned in the injection mold is meant that the end face or the side of the non-injection moulding sleeve pipe of described pole shoe are provided with one or more positioning elements.
Preferably,, improve the intensity of sleeve pipe simultaneously, can on pole shoe is used for the end face of injection moulding sleeve pipe, strengthening groove be set in order to improve the injection moulding adhesion of pole shoe and injection moulding sleeve pipe.
Obviously, according to actual needs, of the present invention the pole shoe ring structure that positioning element also can be applied to integral type is set on pole shoe.The pole shoe ring structure of integral type of the present invention and the part that does not relate to for wet type of the present invention operation electric motor for pump specifically all can be referring to the applicant's applications for a patent for invention formerly, and application number is 201110267300.2.
Preferably; Knockdown wet type process pump of the present invention with the assembly technology of motor stator component and sleeve pipe can for: the pole shoe ring of split type pole shoe or integral type placed adopts directly injection moulding sleeve pipe on stator of Shooting Technique; Then rotor is placed in the sleeve pipe, obtain wet type operation electric motor for pump.
Preferably, when rotor assembly is that the end face that described pole shoe and stator tooth are connected is provided with one or more depressed parts when containing the rotor assembly of permanent magnetic steel, in order to reduce the cogging torque of wet type operation electric motor for pump according to the invention.Compare with induction machine; Magneto has good controllability, and big starting torque, and low speed directly drives; Characteristics such as high power factor and density; But its cogging torque is the intrinsic deficiency of magneto greatly always, and cogging torque is under the cold situation of armature winding, the torque that is produced in a circumferential direction by the teeth groove interaction of magnetic field of permanent magnet and armature core.Cogging torque usually becomes and causes that motor oscillating, noise and restriction improve the fundamental cause of control precision, and particularly when the cogging torque frequency is consistent with the mechanical resonance frequency of stator or rotor, vibration and noise that cogging torque produces will be exaggerated.Therefore, the end face that the present invention is connected at pole shoe and stator tooth is provided with the teeth groove that one or more depressed parts can effectively reduce magnetic field of permanent magnet and armature core and interacts, and then reduces the generation of cogging torque.
When adopting the pole shoe ring structure of integral type,, preferably, can be provided with one or more depressed parts at the end face that pole shoe ring and stator tooth are connected equally in order to reduce cogging torque.
Rotor assembly of the present invention is meant the rotor that is combined as a whole with rotating shaft; Preferably; Rotor assembly of the present invention is meant the cage rotor that is combined as a whole with rotating shaft; Comprise rotor core,, can be provided with permanent magnetic steel in rotor core outer peripheral face fixed interval in order further to improve operational efficiency of the present invention.
Because some permanent magnetic steels are fixedly installed on the rotor core outer peripheral face through adhering method; Because when motor moved, rotor assembly was in the high speed rotating state, permanent magnetic steel often drops owing to receiving centrifugal force; Influence the operational efficiency of motor; Drop from rotor core for fear of permanent magnetic steel, rotor core need be avoided being corroded with contacting of fluid as far as possible simultaneously, and prior art is generally carried out whole plastic packaging at the outer peripheral face of the rotor core that is provided with permanent magnetic steel; This rotor assembly that adopts expensive NdFeB material to process for its permanent magnetic steel is an acceptable; But for the rotor assembly of ferrite that adopts the middle or low price lattice or the permanent magnetic steel that other permanent magnet materials are processed, the mode of whole plastic packaging has increased the air gap between rotor assembly and the stator module greatly, and the operational efficiency of motor can't satisfy performance requirement; And the mode of whole plastic packaging has also increased the consumption of injected plastics material, the preparation cost height greatly.Under this background; Preferably, strutting piece can be set on rotor core, described strutting piece between permanent magnetic steel the interval and extend to the rotor core end; Further preferably; Described strutting piece can be working of plastics, obtains through direct injection moulding on rotor core, and described strutting piece is under the prerequisite of air gap condition between rotor assembly that has satisfied the requirement of motor operational efficiency and the stator module; Not only play the effect of supporting permanent magnetic steel, prevented effectively also that simultaneously fluid from causing the corrosion to rotor core with contacting of rotor core.
Preferably; The setting of strutting piece of the present invention especially is fit to be applied to its permanent magnetic steel and adopts the rotor assembly that is prepared from Ferrite Material; Certainly, also can select for use NdFeB material to process, the material consumption cost also has significantly with low with respect to prior art.
Sleeve pipe of the present invention is used for being connected with subordinate's load (being generally impeller) assembling also as motor mounting part spare.Do not carry out the structure of explanatory note for the present invention; Believe those skilled in the art's common practise or customary means like sleeve pipe, rotating shaft, rotor core, stator core, stator coil, insulation framework etc.; Can adopt the described concrete structure of specification of the present invention and accompanying drawing thereof; Also can adopt other existing structures, carry out literal no longer one by one at this and give unnecessary details.
Also need to prove; The present invention is for there being the concrete structure that discloses but do not carry out explanatory note to be those skilled in the art's conventional techniques means in the accompanying drawing; Like boss or concave structure for the ease of trim designs; Or for the reinforcing rib structure of its booster action, can be provided with according to actual needs, do not give unnecessary details carrying out literal one by one at this yet.
Wet type operation electric motor for pump of the present invention is fit to be applied in the household electrical appliance, especially is fit to be applied in the dishwasher.
Need to prove that the of the present invention as nouns of locality such as " side face, end, end faces " is the description for the ease of said structure, should not be construed the qualification term to claim protection range of the present invention.
Operation principle of the present invention and advantage:
1, the present invention is through being provided with one or more fluid passageways at bearing body; Fluid directly contacts bearing through the fluid passageway and impacts; Avoid the bearing dry-running and produce higher degree wearing and tearing and cause the high problem of temperature, improved the useful life of wet type process pump with motor bearings greatly, while the present invention is simple in structure; Low cost of manufacture, the scale that is highly suitable in the production is applied.
2, the present invention is through being provided with breach on the support of bearing; Breach and through hole cooperate and combine the gap between rotor assembly and the sleeve pipe to form complete fluid passage; In the effectively lubricating bearing, the impurity that complete fluid passage is in full force and effect have been avoided mixing in the fluid is deposited on and results in blockage in the bearing region and damage the situation that associated components causes motor to move and take place.
3, wet type operation electric motor for pump of the present invention adopts injection moulding process to prepare the stator module and the thimble assembly of integral type, seamless link; Realized using under the sleeve pipe condition that wall thickness equates, material is identical; The stator module of integral type of the present invention, seamless link and thimble assembly have strengthened the intensity of sleeve pipe greatly; Promptly under the condition that satisfies the casing strength requirement; The stator module of integral type of the present invention, seamless link and sleeve pipe have significantly reduced the required wall thickness of sleeve pipe, have effectively reduced the air gap between stator module and the rotor assembly, have improved the operational efficiency of motor; Adopt simple Shooting Technique just effectively to reduce the air gap between stator module and the rotor assembly simultaneously, preparation technology is simple, and cost is low, and long service life.
4, the present invention is in order to realize the strong fix of pole shoe in injection mold; Propose a kind of novel pole shoe structure, specifically can on the end face of the non-injection moulding sleeve pipe of pole shoe or side, be provided with one or more positioning elements, positioning element not only can be stablized with injection mold and cooperates; Further preferably; The quantity of described positioning element can be 3, has promptly realized the bikini strong fix of pole shoe and injection mold, guarantees to satisfy the injection moulding requirement.
5, the present invention proposes on rotor core, to be provided with strutting piece; Strutting piece between permanent magnetic steel the interval and extend to the rotor core end; Described strutting piece not only plays the effect of supporting permanent magnetic steel; Prevented effectively also that simultaneously fluid from causing the corrosion to rotor core with contacting of rotor core; Especially be fit to be applied to its permanent magnetic steel and adopt the rotor assembly of processing by Ferrite Material, satisfied the precondition of air gap between rotor assembly that the motor operational efficiency requires and the stator module, and low cost of manufacture.
6, when rotor assembly be when containing the rotor assembly of permanent magnetic steel, the present invention proposes at the end face that pole shoe and stator tooth are connected one or more depressed parts to be set, and moves the cogging torque of electric motor for pump in order to reduce wet type according to the invention.
Description of drawings
Accompanying drawing 1 is the cutaway view of the embodiment of the invention 30 said bearings 400;
Accompanying drawing 2 is perspective view of accompanying drawing 1;
Accompanying drawing 3 is cutaway views of the embodiment of the invention 30 said sleeve pipes 100;
Accompanying drawing 4 is plan structure sketch mapes of accompanying drawing 3;
Accompanying drawing 5 is cutaway views of the embodiment of the invention 30 said wet type operation electric motor for pump;
Accompanying drawing 6 is perspective view of accompanying drawing 5;
Accompanying drawing 7 is solid blast structural representations of accompanying drawing 5;
Accompanying drawing 8 is present embodiment 30 described knockdown wet type process pumps perspective view with motor stator component and sleeve pipe;
Accompanying drawing 9 is perspective view of accompanying drawing 8 described stator modules 200 (not comprising pole shoe 230);
Accompanying drawing 10 is perspective view of accompanying drawing 8 said sleeve pipes 100;
Accompanying drawing 11 is perspective view of the embodiment of the invention 30 said rotor assembly 300;
Accompanying drawing 12 is the embodiment of the invention 30 described knockdown wet type process pumps upward views with motor stator component and sleeve pipe;
Accompanying drawing 13 is A place structure for amplifying sketch mapes in the accompanying drawing 12;
Accompanying drawing 14 is structural representations of pole shoe 230 described in the accompanying drawing 12.
Accompanying drawing 15 is B place structure for amplifying sketch mapes in the accompanying drawing 9;
Accompanying drawing 16 is C place structure for amplifying sketch mapes in the accompanying drawing 10;
Reference numeral: sleeve pipe 100; The support of bearing 110; Breach 111; Second support of bearing 120; Stator module 200; Stator core 210; Stator tooth 211; Cooperate the tenon 211a of portion; Stator coil 220; Pole shoe 230; Detent 231; Mating recesses 232; Strengthening groove 233; Insulation framework 240; Rotor assembly 300; Rotating shaft 310; Rotor core 320; Permanent magnetic steel 330; Strutting piece 340; Bearing 400; Through hole 410; Second bearing 500; O type packing ring 600; End cap 700 is installed; Anti-wear parts 800.
Embodiment
Embodiment 1, a kind of wet type process pump are used the motor bearings lubrication system; Described wet type operation electric motor for pump comprises sleeve pipe 100, stator module 200, rotor assembly 300; Sleeve pipe 100 is between stator module 200 and rotor assembly 300; Rotor assembly 300 is positioned at sleeve pipe 100; Sleeve pipe 100 makes rotor assembly 300 spaces with respect to stator module 200 space sealings, and bearing 400 is arranged between the rotating shaft 310 and sleeve pipe 100 bottoms of rotor assembly 300, wherein: on bearing 400 bodies, be provided with one or more fluid passageways.
Embodiment 2, a kind of wet type process pump are used the motor bearings lubrication system, and wherein: described fluid passageway is a through hole 410, and all the other are with embodiment 1.
Embodiment 3, a kind of wet type process pump are used the motor bearings lubrication system, and wherein: described fluid passageway is a groove, and all the other are with embodiment 1.
Embodiment 4, a kind of wet type process pump are used the motor bearings lubrication system, and wherein: described fluid passageway is axially to be provided with, and all the other are with embodiment 1 or embodiment 2 or embodiment 3.
Embodiment 5, a kind of wet type process pump are used the motor bearings lubrication system; Wherein: described sleeve pipe 100 bottoms are provided with the support of bearing 110; Bearing 400 is between the rotating shaft 310 and the support of bearing 110 of rotor assembly 300; The described support of bearing 110 is provided with breach 111, and breach 111 and through hole 410 cooperate and combine the gap between rotor assembly 300 and the sleeve pipe 100 to form complete fluid passage, and all the other are with embodiment 2 or embodiment 4.
Embodiment 6, a kind of wet type process pump are used the motor bearings lubrication system, and wherein: being shaped as of described fluid passageway is square, and all the other are with any one embodiment among the embodiment 1-5.
Embodiment 7, a kind of wet type process pump are used the motor bearings lubrication system, wherein: described fluid passageway be shaped as circle, all the other are with any one embodiment among the embodiment 1-5.
Embodiment 8, a kind of wet type process pump are used the motor bearings lubrication system, wherein: described fluid passageway be shaped as ellipse, all the other are with any one embodiment among the embodiment 1-5.
Embodiment 9, a kind of wet type process pump are used the motor bearings lubrication system, wherein: described fluid passageway be shaped as polygon, all the other are with any one embodiment among the embodiment 1-5.
Embodiment 10, a kind of wet type process pump are used the motor bearings lubrication system, and wherein: the described support of bearing 110 and sleeve pipe 100 structure that is formed in one, all the other are with any one embodiment among the embodiment 5-9.
Embodiment 11, a kind of wet type operation electric motor for pump comprise like the described wet type process pump of one of embodiment 1-10 and use the motor bearings lubrication system that wherein: described stator module 200 is integral type, seamless connecting structure with sleeve pipe 100.
Embodiment 12, a kind of wet type operation electric motor for pump; Wherein: described stator module is through the pole shoe 230 and sleeve pipe 100 integral types, seamless link of stator module 200; The stator core 210 of described stator module 200 is connected through the chase mortise respective outer side edges with pole shoe 230, and all the other are with embodiment 11.
Embodiment 13, a kind of wet type operation electric motor for pump; Wherein: be provided with second bearing 500 between the rotating shaft 310 of described rotor assembly 300 and sleeve pipe 100 oral areas; Be provided with the anti-wear parts 800 by ceramic material between described second bearing 500 and the rotor assembly 300, all the other are with embodiment 11 or embodiment 12.
Embodiment 14, a kind of wet type operation electric motor for pump; Wherein: described rotor assembly 300 is meant the cage rotor that is combined as a whole with rotating shaft 310; The rotor core 320 outer peripheral face fixed interval of rotor assembly 300 are provided with permanent magnetic steel 330; Strutting piece 340 is set on rotor core 320, described strutting piece 340 between permanent magnetic steel 330 the interval and extend to rotor core 320 ends, all the other are with embodiment 11 or embodiment 12 or embodiment 13.
Embodiment 15, a kind of wet type operation electric motor for pump, wherein: described permanent magnetic steel 330 adopts Ferrite Material to be prepared from, and all the other are with embodiment 14.
Embodiment 16, a kind of wet type operation electric motor for pump, wherein: described pole shoe 230 is provided with one or more depressed parts with the end face that stator tooth 211 is connected, and all the other are with embodiment 14 or embodiment 15.
Embodiment 17, a kind of knockdown wet type process pump are with motor stator component and sleeve pipe; Comprise stator module 200, sleeve pipe 100; Wherein: described stator module 200 comprises stator core 210, stator coil 220, pole shoe 230; Stator core 210 inner periphery one are extended a plurality of stator tooths 211 spaced apart, and described pole shoe 230 1 ends and stator tooth 211 are connected, one injection moulding sleeve pipe 100 on the other end; The end face or the side of the non-injection moulding sleeve pipe 100 of described pole shoe 230 are provided with one or more positioning elements, and all the other are with any one embodiment among the embodiment 1-16.
Embodiment 18, a kind of knockdown wet type process pump are with motor stator component and sleeve pipe, wherein: described positioning element is a detent 231, and all the other are with embodiment 17.
Embodiment 19, a kind of knockdown wet type process pump are with motor stator component and sleeve pipe, wherein: described at least one positioning element is positioned on pole shoe 230 sides, and all the other are with embodiment 17 or embodiment 18.
Embodiment 20, a kind of knockdown wet type process pump are with motor stator component and sleeve pipe, wherein: described being connected to the chase mortise formula is connected, all the other are with embodiment 17 or embodiment 18 or embodiment 19.
Embodiment 21, a kind of knockdown wet type process pump are with motor stator component and sleeve pipe; Wherein: the end face of described pole shoe 230 1 ends is provided with the mating recesses 232 with each stator tooth 211 corresponding matching; Stator tooth 211 ends are provided with the cooperation tenon 211a of portion that its mating recesses 232 is connected, and all the other are with any one embodiment among the embodiment 17-20.
Embodiment 22, a kind of knockdown wet type process pump are with motor stator component and sleeve pipe; Wherein: the quantity of described positioning element is 3; Bikini location when being implemented in injection moulding sleeve pipe 100 on pole shoe 230 other ends of stator module 200 in injection mold, all the other are with any one embodiment among the embodiment 17-21.
Embodiment 23, a kind of knockdown wet type process pump are with motor stator component and sleeve pipe; Wherein: the quantity of described detent 231 is 3; Bikini location when being implemented in injection moulding sleeve pipe 100 on pole shoe 230 other ends of stator module 200 in injection mold, all the other are with any one embodiment among the embodiment 18-21.
Embodiment 24, a kind of knockdown wet type process pump are with motor stator component and sleeve pipe; Wherein: described mating recesses 232 becomes positioning element simultaneously; Location when being implemented in injection moulding sleeve pipe 100 on pole shoe 230 other ends of stator module 200 in injection mold, all the other are with any one embodiment among the embodiment 21-23.
Embodiment 25, a kind of knockdown wet type process pump are with motor stator component and sleeve pipe; Wherein: described pole shoe 230 is a split-type structural; Pole shoe 230 is provided with one or more depressed parts with the end face that stator tooth 211 is connected, and all the other are with any one embodiment among the embodiment 17-24.
Embodiment 26, a kind of knockdown wet type process pump are with motor stator component and sleeve pipe; Wherein: described pole shoe 230 is the pole shoe ring structure of integral type; The end face that pole shoe ring and stator tooth 211 are connected is provided with one or more depressed parts, and all the other are with any one embodiment among the embodiment 17-24.
Embodiment 27, a kind of knockdown wet type process pump are with the assembly method of motor stator component and sleeve pipe; Wherein: pole shoe 230 is placed and is positioned in the injection mold; Injection moulding obtains sleeve pipe 100 on pole shoe 230; Then pole shoe 230 other ends through with being connected of stator tooth 211, obtain knockdown wet type process pump with motor stator component and sleeve pipe, all the other are with any one embodiment among the embodiment 17-26.
Embodiment 28, a kind of knockdown wet type process pump are with the assembly method of motor stator component and sleeve pipe; Wherein: the location structure that said pole shoe 230 is used to be positioned in the injection mold is meant that the end face or the side of the non-injection moulding sleeve pipe 100 of described pole shoe 230 are provided with one or more positioning elements, and all the other are with embodiment 27.
Embodiment 29, a kind of knockdown wet type process pump are with the assembly method of motor stator component and sleeve pipe; Wherein: the location structure that said pole shoe 230 is used to be positioned in the injection mold is meant that the end face or the side of the non-injection moulding sleeve pipe 100 of described pole shoe 230 are provided with one or more detents 231, and all the other are with embodiment 27.
Embodiment 30, like Fig. 1-shown in Figure 7, and with reference to other accompanying drawings, a kind of wet type process pump is used the motor bearings lubrication system; Described wet type operation electric motor for pump comprises sleeve pipe 100, stator module 200, rotor assembly 300; Sleeve pipe 100 is between stator module 200 and rotor assembly 300, and rotor assembly 300 is positioned at sleeve pipe 100, and sleeve pipe 100 makes rotor assembly 300 spaces with respect to stator module 200 space sealings; Stator module one end also is fixedly connected with installs end cap 700; Bearing 400 is arranged between the rotating shaft 310 and sleeve pipe 100 bottoms of rotor assembly 300, wherein: on bearing 400 bodies, be provided with 4 fluid passageways, described fluid passageway is the square through hole 410 that axially is provided with; Described sleeve pipe 100 bottoms are provided with the support of bearing 110; Bearing 400 is between the rotating shaft 310 and the support of bearing 110 of rotor assembly 300, and the described support of bearing 110 is provided with 1 breach 111, and breach 111 and through hole 410 cooperate and combine the gap between rotor assembly 300 and the sleeve pipe 100 to form complete fluid passage; The described support of bearing 110 is the integrated injection molding structure with sleeve pipe 100, and all the other are with any one embodiment among the embodiment 1-16.
Like Fig. 4-Figure 11, Figure 15 and shown in Figure 16; And with reference to other accompanying drawings; A kind of wet type operation electric motor for pump; Comprise like present embodiment 30 described wet type process pumps and use the motor bearings lubrication system, described stator module 200 comprises stator core 210, stator coil 220, pole shoe 230, insulation framework 240, and insulation framework 240 comprises insulation framework and following insulation framework; Be separately positioned on the upper and lower side of stator core 210; Described pole shoe 230 is split type pole shoes, and stator core 210 inner periphery one are extended a plurality of stator tooths 211 spaced apart, and stator coil 220 windings are on the stator tooth 211 that is insulated skeleton 240 coverings; Described pole shoe 230 outer faces are provided with the mating recesses 232 with each stator tooth 211 corresponding matching; Stator tooth 211 ends are provided with the cooperation tenon 211a of portion that its mating recesses 232 is connected, and pole shoe 230 is connected with stator tooth 211 chase mortise formulas, and described pole shoe 230 is connected with sleeve pipe 100 integral types, seamless injection moulding and obtains knockdown wet type process pump with motor stator component 200 and sleeve pipe 100; Described rotor assembly 300 is meant the cage rotor that is combined as a whole with rotating shaft 310; Rotor core 320 outer peripheral face fixed interval are provided with permanent magnetic steel 330; Strutting piece 340 is set on rotor core 320; Described strutting piece 340 between permanent magnetic steel 330 the interval and extend to rotor core 320 ends, effectively avoid contacting between rotor core 320 and the fluid.
Described permanent magnetic steel 330 adopts Ferrite Material to be prepared from, and described pole shoe 230 is provided with 2 depressed parts (scheming not shown) with the end face that stator tooth 211 is connected; Be arranged on the rotating shaft 310 of rotor assembly 300 and second bearing 500 between sleeve pipe 100 oral areas; Comprise second support of bearing 120 particularly; Described second support of bearing 120 is again simultaneously as cover plate is installed; Second support of bearing 120 is fixedly mounted on sleeve pipe 100 oral areas; Second bearing 500 is arranged between the rotating shaft 310 and second support of bearing 120 of rotor assembly 300, also is respectively arranged with O type packing ring 600 between the described bearing 400 and the support of bearing 110 and between second bearing 500 and second support of bearing 120, the concentricity of the adjustment bearing 400 and second bearing 500; Reduce wearing and tearing simultaneously to the bearing 400 and second bearing 500; In order to solve the wear problem of second bearing 500, be provided with anti-wear parts 800 between second bearing 500 and the rotor assembly 300 by the alumina ceramic material preparation, anti-wear parts 800 specifically are positioned at rotor core 320 ends near second bearing 500.
Like Fig. 4-shown in Figure 14; And with reference to other accompanying drawings; A kind of knockdown wet type process pump is with motor stator component and sleeve pipe, wherein: comprise stator module 200, sleeve pipe 100, wherein: described stator module 200 comprises stator core 210, stator coil 220, pole shoe 230; Stator core 210 inner periphery one are extended a plurality of stator tooths 211 spaced apart; Described pole shoe 230 1 ends and stator tooth 211 are connected, one injection moulding sleeve pipe 100 on the other end, and the end face of the non-injection moulding sleeve pipe 100 of described pole shoe 230 and side are provided with 3 detents 231; Bikini location when being implemented in injection moulding sleeve pipe 100 on pole shoe 230 other ends of stator module 200 in injection mold, wherein 2 detents 231 are positioned on pole shoe 230 sides; Described being connected is connected for the chase mortise formula; The end face of described pole shoe 230 1 ends is provided with the mating recesses 232 with each stator tooth 211 corresponding matching; Stator tooth 211 ends are provided with the cooperation tenon 211a of portion that its mating recesses 232 is connected, and described mating recesses 232 becomes 1 detent simultaneously; Described pole shoe 230 is a split-type structural; Pole shoe 230 is provided with 2 depressed parts (scheming not shown) with the end face that stator tooth 211 is connected; In order to improve the injection moulding adhesion of pole shoe 230 and injection moulding sleeve pipe 100; Improve the intensity of sleeve pipe 100 simultaneously, be used at pole shoe 230 on the end face of injection moulding sleeve pipe 100 strengthening groove 233 being set, all the other with among the embodiment 1-29 and present embodiment 30 described wet type process pumps with any one embodiment of motor bearings lubrication system and wet type operation electric motor for pump.
Present embodiment 30 described knockdown wet type process pumps use the assembly method of motor stator component and sleeve pipe to be: pole shoe 230 is placed and is positioned in the injection mold; Injection moulding obtains sleeve pipe 100 on pole shoe 230; Then pole shoe 230 other ends through with being connected of stator tooth 211; Obtain knockdown wet type process pump with motor stator component and sleeve pipe, the location structure that said pole shoe 230 is used to be positioned in the injection mold is meant that the end face or the side of the non-injection moulding sleeve pipe 100 of described pole shoe 230 are provided with 3 detents 231.
The above embodiment of the present invention is a preferred embodiment; The present invention is not limited to above-mentioned concrete embodiment; It also has a lot of the variation or remodeling; The present invention also is not limited to shape and the quantity etc. of shape and quantity and detent, the mating recesses of fluid passageway, breach, does not break away from connotation of the present invention and scope, all belongs to protection scope of the present invention.
Claims (10)
1. a wet type process pump is used the motor bearings lubrication system; Described wet type operation electric motor for pump comprises sleeve pipe (100), stator module (200), rotor assembly (300); Sleeve pipe (100) is positioned between stator module (200) and the rotor assembly (300); Rotor assembly (300) is positioned at sleeve pipe (100); Sleeve pipe (100) makes rotor assembly (300) space with respect to stator module (200) space sealing, and bearing (400) is arranged between the rotating shaft (310) and sleeve pipe (100) bottom of rotor assembly (300), it is characterized in that: on bearing (400) body, be provided with one or more fluid passageways.
2. wet type process pump as claimed in claim 1 is used the motor bearings lubrication system, it is characterized in that: described fluid passageway is through hole (410).
3. wet type process pump as claimed in claim 1 is used the motor bearings lubrication system, it is characterized in that: described fluid passageway is a groove.
4. wet type process pump as claimed in claim 2 is used the motor bearings lubrication system; It is characterized in that: described sleeve pipe (100) bottom is provided with the support of bearing (110); Bearing (400) is positioned between the rotating shaft (310) and the support of bearing (110) of rotor assembly (300); The described support of bearing (110) is provided with breach (111), and breach (111) and through hole (410) cooperate and combine the gap between rotor assembly (300) and the sleeve pipe (100) to form complete fluid passage.
5. wet type process pump as claimed in claim 4 is used the motor bearings lubrication system, it is characterized in that: the described support of bearing (110) and sleeve pipe (100) structure that is formed in one.
6. a wet type is moved electric motor for pump; Comprise like the described wet type process pump of one of claim 1-5 and use the motor bearings lubrication system; It is characterized in that: described stator module is through the pole shoe (230) and sleeve pipe (100) integral type, seamless link of stator module (200), and the stator core (210) of described stator module (200) is connected through the chase mortise respective outer side edges with pole shoe (230).
7. wet type operation electric motor for pump as claimed in claim 6; It is characterized in that: be provided with second bearing (500) between the rotating shaft (310) of described rotor assembly (300) and sleeve pipe (100) oral area, be provided with anti-wear parts (800) between described second bearing (500) and the rotor assembly (300) by ceramic material.
8. like claim 6 or 7 described wet type operation electric motor for pump; It is characterized in that: described rotor assembly (300) is meant the cage rotor that is combined as a whole with rotating shaft (310); Rotor core (320) the outer peripheral face fixed interval of rotor assembly (300) is provided with permanent magnetic steel (330); Strutting piece (340) is set on rotor core (320), and described strutting piece (340) is positioned at the interval between the permanent magnetic steel (330) and extends to rotor core (320) end.
9. wet type operation electric motor for pump as claimed in claim 8, it is characterized in that: described permanent magnetic steel (330) adopts Ferrite Material to be prepared from.
10. wet type operation electric motor for pump as claimed in claim 8, it is characterized in that: described pole shoe (230) is provided with one or more depressed parts with the end face that stator tooth (211) is connected.
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CN201210205207.3A CN102738962B (en) | 2012-06-20 | 2012-06-20 | Motor bearing lubricating structure and motor for wet operating pump |
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CN201210205207.3A CN102738962B (en) | 2012-06-20 | 2012-06-20 | Motor bearing lubricating structure and motor for wet operating pump |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105324062A (en) * | 2013-07-19 | 2016-02-10 | Bsh家用电器有限公司 | Water-carrying domestic appliance with a pump unit comprising a slit tube |
CN105656229A (en) * | 2014-11-11 | 2016-06-08 | 杭州三花研究院有限公司 | Electronic pump and manufacturing method thereof |
CN117254639A (en) * | 2023-11-20 | 2023-12-19 | 张家港华捷电子有限公司 | Water-cooling type brushless inner rotor water pump motor and water pump |
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US20110074234A1 (en) * | 2009-09-30 | 2011-03-31 | Metal Industries Research&Development Centre | Heat dissipating device of an electromotor |
CN201979375U (en) * | 2011-01-24 | 2011-09-21 | 宝山钢铁股份有限公司 | Angle positioning plate for processing of internal and external spheres of split bearing seat |
CN202679156U (en) * | 2012-06-20 | 2013-01-16 | 常州新亚电机有限公司 | Bearing lubrication structure for wet operation pump motor, and motor with application of the same |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20110074234A1 (en) * | 2009-09-30 | 2011-03-31 | Metal Industries Research&Development Centre | Heat dissipating device of an electromotor |
CN201979375U (en) * | 2011-01-24 | 2011-09-21 | 宝山钢铁股份有限公司 | Angle positioning plate for processing of internal and external spheres of split bearing seat |
CN202679156U (en) * | 2012-06-20 | 2013-01-16 | 常州新亚电机有限公司 | Bearing lubrication structure for wet operation pump motor, and motor with application of the same |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105324062A (en) * | 2013-07-19 | 2016-02-10 | Bsh家用电器有限公司 | Water-carrying domestic appliance with a pump unit comprising a slit tube |
CN105324062B (en) * | 2013-07-19 | 2018-04-20 | Bsh家用电器有限公司 | The housed device of guiding water with the pump unit with gas tube |
CN105656229A (en) * | 2014-11-11 | 2016-06-08 | 杭州三花研究院有限公司 | Electronic pump and manufacturing method thereof |
CN105656229B (en) * | 2014-11-11 | 2019-06-28 | 浙江三花汽车零部件有限公司 | The manufacturing method of electronic pump and its electronic pump |
CN117254639A (en) * | 2023-11-20 | 2023-12-19 | 张家港华捷电子有限公司 | Water-cooling type brushless inner rotor water pump motor and water pump |
CN117254639B (en) * | 2023-11-20 | 2024-02-13 | 张家港华捷电子有限公司 | Water-cooling type brushless inner rotor water pump motor and water pump |
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