CN202997840U - Motor rotor component used in wet-type process pump - Google Patents
Motor rotor component used in wet-type process pump Download PDFInfo
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- CN202997840U CN202997840U CN 201220547089 CN201220547089U CN202997840U CN 202997840 U CN202997840 U CN 202997840U CN 201220547089 CN201220547089 CN 201220547089 CN 201220547089 U CN201220547089 U CN 201220547089U CN 202997840 U CN202997840 U CN 202997840U
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Abstract
The utility model relates to a motor rotor component used in a wet-type process pump. The rotor component 300 is a squirrel-cage rotor combining with a rotating shaft 310. Permanent magnetic steel 330 is fixed on a periphery of a rotor core 320 of the rotor component 300 at intervals. Strut members 340 are disposed on the rotor core 320. The strut members 340 are disposed among intervals of the permanent magnetic steel 330 and extend to an end of the rotor core 320. The motor rotor component not only has effect of supporting the permanent magnetic steel, but also effectively prevents corrosion of the rotor core caused by contact of fluid and the rotor core.
Description
The application is dividing an application of the applicant's original application, and the applying date of this original application is on June 20th, 2012, and application number is 201220292045.7, and denomination of invention is " motor of a kind of electric motor used for wet-type operation pump bearing lubrication structure and application thereof ".
Technical field
The utility model relates to a kind of electric motor used for wet-type operation pump parts, is specifically related to a kind of electric motor used for wet-type operation pump rotor assembly, especially is fit to be applied to the dishwasher field.
Background technology
Pump is the machinery of carrying fluid or making 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, comprise water, oil, acid ﹠ alkali liquid, emulsion, suspension and liquid metals etc. mainly for delivery of fluid.And general main dry-running electric motor for pump and the electric motor used for wet-type operation pump of comprising of electric motor for pump.The dry-running electric motor for pump refers to the motor overall package, rotating shaft one end stretches out from motor overall package part, energy output as electric motor for pump, in order further to prevent carrying fluid to penetrate in motor overall package part, generally in motor overall package part and rotating shaft external part junction, seal member being set is sheathed in rotating shaft, in order to make motor integral body with respect to carry fluid positiver sealing for a long time, need complexity, expensive hermetically-sealed construction.Electric motor used for wet-type operation pump has been removed complicated hermetically-sealed construction by setting up sleeve pipe, this sleeve pipe is located between stator and rotor, rotor is positioned at sleeve pipe and carries fluid contact, sleeve pipe makes rotor space seal with respect to stator space, mainly prevents from carrying fluid to infiltrate not allowing in contacting with fluid, charged stator.Carry simultaneously liquid enter in the sleeve pipe of electric motor used for wet-type operation pump and contact with rotor assembly, described conveying liquid also can be used for lubricating bearings.Yet, all can find in actual applications air residual still to occur in the situation of the bearing region that is arranged in sleeve bottom, the wearing and tearing that make the bearing dry-running and draw its higher degree, cause the excess Temperature of the bearing that is positioned at sleeve bottom, cause 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, a kind of bearing cap of the axle for the supporting electric motor used for wet-type operation pump is disclosed as the publication number Chinese patent that is CN101680486, described bearing cap has the bearing for bearing, particularly sliding bearing, described bearing on the outer surface of bearing around bearing.Described bearing comprises a plurality of sections, and described section annular adjacent to each other arranges, and makes to form respectively a passage between the section of every two adjacent settings, and flow is crossed described passage.Although this bearing lubrication channel design has solved the problem that its dry-running is avoided in electric motor used for wet-type operation pump bearing lubrication, its annular shape section structure that arranges on bearing spider is complicated, and manufacturing cost is high.Also there is more defective in existing disclosed electric motor used for wet-type operation pump simultaneously.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of electric motor used for wet-type operation pump rotor assembly, not only play the effect of supporting permanent magnetic steel, has prevented effectively also that simultaneously fluid and contacting of rotor core from causing the corrosion to rotor core.
The technical solution of the utility model is:
A kind of electric motor used for wet-type operation pump bearing lubrication structure, described electric motor used for wet-type operation pump comprises sleeve pipe, stator module, rotor assembly, sleeve pipe is between stator module and rotor assembly, rotor assembly is positioned at sleeve pipe, 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: be provided with one or more fluids passageways on bearing body.
Preferably, described fluid passageway is through hole.
Preferably, described fluid passageway is groove.
For the ease of the smooth circulation of fluid, reduce the resistance of fluid circulation, preferably, described fluid passageway be axially setting.
Further preferably, the quantity in described fluid passageway can be 2-10, and most preferably, the quantity in fluid passageway is 4.
in practical application, inevitably can contain a certain proportion of impurity in fluid, when being applied to the dishwasher field when the utility model, 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, breach and through hole coordinate and form complete fluid passage in conjunction with the gap between rotor assembly and sleeve pipe, the fully effective Impurity deposition of having avoided adulterating in the fluid in complete fluid passage results in blockage in bearing region and damages the situation generation that associated components causes motor to move.Further preferably, described breach quantity can be 1-4, and most preferably, described breach quantity is 1-2, certainly, specifically selects according to actual needs the quantity of breach described in the utility model.Bearing region described in the utility model refers to comprise near the zone that is positioned at sleeve pipe bearing and 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 described in the utility model 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 integrated injection molded, are convenient to processing and manufacturing, and simplify assembly process.Certainly, also can adopt split type fixed connection structure.
Bearing body described in the utility model can be the bearing arrangement in existing routine techniques, preferably, and the bearing arrangement of making for plastic material.
The described bearing lubrication structure of the utility model theme all refers to be arranged on the rotating shaft of rotor assembly and the bearing between sleeve bottom, because there is dry-running in the bearing that only is positioned at herein, needs lubricated technical problem, be arranged on the rotating shaft of rotor assembly and the problem that there is not dry-running in the second bearing between the sleeve pipe oral area, so do not belong in the described bearing lubrication structure scope of the utility model theme, therefore the bearing that does not add restriction described in the utility model all refers to be arranged on the rotating shaft of rotor assembly and the bearing between sleeve bottom.
In addition, be provided with the second bearing between the rotating shaft of described rotor assembly and sleeve pipe oral area, comprise particularly second support of bearing, described second support of bearing can be simultaneously as cover plate is installed, second support of bearing is fixedly mounted on the sleeve pipe oral area, and the second bearing is arranged between the rotating shaft and second support of bearing of rotor assembly.
Further preferably, between described bearing and the support of bearing or between the second bearing and second support of bearing, O type packing ring can also be set, effectively adjust the concentricity of bearing or the second bearing, reduce simultaneously the wearing and tearing to bearing or the second bearing.
the operation that is used for supporting subordinate's load due to the second bearing between the rotating shaft that is arranged on rotor assembly and sleeve pipe oral area, be subjected to force intensity strong, under moving for a long time, the second bearing and rotor assembly friction for a long time cause the extent of damage of the second bearing high, can't be guaranteed its useful life, further preferably, in order to solve the wear problem of the second bearing, be provided with the anti-wear parts by the anti-wear material preparation between the second bearing and rotor assembly, specifically can be arranged on the rotor core end near the second bearing, directly contact with the second bearing, effectively reduce the degree of wear of the second bearing.Preferably, described anti-wear parts are prepared by ceramic material, and most preferably, described anti-wear parts are prepared by alumina ceramic material.
A kind of electric motor used for wet-type operation pump comprises described electric motor used for wet-type operation pump bearing lubrication structure, and wherein: described stator module and sleeve pipe are integral type, seamless connecting structure.
Preferably, pole shoe and the sleeve pipe integral type, seamless link of described stator module by stator module, the stator core of described stator module is connected by the chase mortise respective outer side edges with pole shoe.Further preferably, described chase mortise structure refers to: 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, described pole shoe outer face is provided with the fit with each stator tooth corresponding matching, and the stator tooth end is provided with the cooperation tenon section that its fit is connected.Natch, described chase mortise structure also can refer to be provided with on described pole shoe outer face with each stator tooth corresponding matching coordinate tenon section, the stator tooth end is provided with its fit that coordinates tenon section to be connected.Because the area of stator tooth end is less, be not easy to arrange the fit structure, therefore be provided with the fit with each stator tooth corresponding matching on the pole shoe outer face, the chase mortise fit structure of the stator tooth end is provided with that its fit is connected cooperation tenon section is more preferably scheme.
Preferably, stator module described in the utility model comprises insulation framework, can be divided into insulation framework and lower 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, integral type described in the utility model, seamless connecting structure are that pole shoe and the sleeve pipe of stator module is integral type, seamless connecting structure, specifically can be the injection moulding syndeton.
The utility model is under the condition that satisfies the casing strength requirement, the stator module of integral type of the present utility model, seamless link and sleeve pipe have greatly reduced the required wall thickness of sleeve pipe, effectively reduce the air gap between stator module and rotor assembly, improved the operational efficiency of motor; The utility model adopts simple Shooting Technique just effectively to reduce the air gap between stator module and rotor assembly simultaneously, 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 respectively chase mortise 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, can be also 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 relatively loaded down with trivial details, but can be significantly less than the pole shoe ring structure of integral type for the impact of motor electromagnetic performance, specifically can require to select according to reality the pole shoe ring structure of split type pole shoe or integral type for the electromagnetic efficiency of motor.
when carrying out injection moulding obtain sleeve pipe on described split type pole shoe, need guarantee before injection moulding, firmly be positioned at pole shoe in injection mold, otherwise, in injection moulding process, pole shoe can produce skew in injection mold, and then affect the wall thickness uniformity of sleeve pipe, the intensity of sleeve pipe not only can't be guaranteed, but also can cause the non-uniform air-gap of rotor assembly and stator module, affect the operational efficiency of motor, therefore, satisfy the injection moulding requirement, how guaranteeing pole shoe firmly is positioned in injection mold is very crucial precondition, preferably, the utility model is in order to realize the strong fix of pole shoe in injection mold, a kind of novel pole shoe structure is proposed:
a kind of knockdown electric motor used for wet-type operation pump stator module and sleeve pipe, comprise stator module, sleeve pipe, wherein: described stator module comprises stator core, stator coil, pole shoe, stator core inner periphery one is extended a plurality of stator tooths spaced apart, described pole shoe one end and stator tooth are connected, integrated injection molding 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, one end face is used for the injection moulding sleeve pipe, the other end is the end face of non-injection moulding sleeve pipe herein) or the side be provided with one or more positioning elements, positioning element can be stablized with injection mold and coordinates.
Preferably, described positioning element can be detent.Natch, described positioning element also can be location lug section, but with respect to location lug section, detent is scheme most preferably, the applicant obtains by test of many times, operational efficiency when the motor operational efficiency when positioning element is detent is location lug section higher than positioning element, this is can affect to a certain extent the electromagnetic efficiency of motor due to the design of location lug section.
Preferably, described at least one positioning element is positioned on the pole shoe side, effectively strengthens the positioning intensity of pole shoe in injection mold.
Preferably, described being connected is connected for the chase mortise formula.
The be connected end face that refers to described pole shoe one end of pole shoe one end described in the utility model and stator tooth is provided with component with each stator tooth corresponding matching.
Preferably, the end face of described pole shoe one end is provided with the fit with each stator tooth corresponding matching, and the stator tooth end is provided with the cooperation tenon section that its fit is connected.
Preferably, the quantity of described positioning element is 3, the bikini location when realizing on the pole shoe other end of stator module injection moulding sleeve pipe in injection mold.
Preferably, described component becomes positioning element simultaneously, the location when realizing on the pole shoe other end of stator module injection moulding sleeve pipe in injection mold.Particularly, when component was fit, described fit became positioning element simultaneously, the location when realizing on the pole shoe other end of stator module injection moulding sleeve pipe in injection mold.
Preferably, described pole shoe is 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 injection mold, injection moulding obtains sleeve pipe on pole shoe, then the pole shoe other end by with being connected of stator tooth, obtain knockdown electric motor used for wet-type operation pump stator module and sleeve pipe.
Preferably, described pole shoe refers to that for the location structure that is positioned in injection mold 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, in order to improve the injection moulding adhesion of pole shoe and injection moulding sleeve pipe, improve simultaneously the intensity of sleeve pipe, can be used on the end face of injection moulding sleeve pipe, strengthening groove being set at pole shoe.
Apparently, according to actual needs, described in the utility model 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 described in the utility model and the part that does not relate to for electric motor used for wet-type operation pump described in the utility model specifically all can be referring to the applicant's formerly utility application, and application number is 201110267300.2.
Preferably, the assembly technology of knockdown electric motor used for wet-type operation pump stator module described in the utility model and sleeve pipe can for: the pole shoe ring of split type pole shoe or integral type is placed adopts directly injection moulding sleeve pipe on stator of Shooting Technique, then rotor is placed in sleeve pipe, obtains electric motor used for wet-type operation pump.
Preferably, when rotor assembly is that when containing the rotor assembly of permanent magnetic steel, the end face that described pole shoe and stator tooth are connected is provided with one or more depressed parts, in order to reduce the cogging torque of electric motor used for wet-type operation pump described in the utility model.Compare with induction machine, magneto has good controllability, and large starting torque, low speed directly drives, the characteristics such as high power factor and density, but its cogging torque is the intrinsic deficiency of magneto greatly always, and cogging torque is in 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 utility model 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, equally in order to reduce cogging torque, preferably, can be provided with one or more depressed parts at the end face that pole shoe ring and stator tooth are connected.
Rotor assembly described in the utility model refers to the rotor that is combined as a whole with rotating shaft, preferably, rotor assembly described in the utility model refers to the cage rotor that is combined as a whole with rotating shaft, comprise rotor core, in order further to improve operational efficiency of the present utility model, can be fixed with permanent magnetic steel at rotor core outer peripheral face interval.
because some permanent magnetic steels are fixedly installed on the rotor core outer peripheral face by adhering method, due to when motor moves, rotor assembly is in the High Rotation Speed state, permanent magnetic steel often drops owing to being subject to centrifugal force, affect 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, 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 is acceptable for the rotor assembly that its permanent magnetic steel adopts expensive NdFeB material to make, but for the rotor assembly of the ferrite that adopts the middle or low price lattice or the permanent magnetic steel that other permanent magnet materials are made, the mode of whole plastic packaging has increased the air gap between rotor assembly and stator module greatly, 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 greatly, preparation cost is high.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, obtain by direct injection moulding on rotor core, described strutting piece is under the prerequisite of air gap condition between the rotor assembly that has satisfied the requirement of motor operational efficiency and stator module, not only play the effect of supporting permanent magnetic steel, prevented effectively also that simultaneously fluid and contacting of rotor core from causing the corrosion to rotor core.
Preferably, the setting of strutting piece described in the utility model especially is fit to be applied to its permanent magnetic steel and adopts the rotor assembly that is prepared from by Ferrite Material, certainly, also can select NdFeB material to make, the material consumption cost also has significantly with low with respect to prior art.
Sleeve pipe described in the utility model is used for and subordinate's load (being generally impeller) assembly connection also as motor mounting part spare.Do not carry out the structure of explanatory note for the utility model, believe those skilled in the art's common practise or customary means as sleeve pipe, rotating shaft, rotor core, stator core, stator coil, insulation framework etc., can adopt the described concrete structure of the utility model specification and accompanying drawing thereof, also can adopt other existing structures, carry out no longer one by one word at this and give unnecessary details.
Also need to prove, the utility model 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 accompanying drawing, as boss or the concave structure for the ease of trim designs, or for the reinforcing rib structure of its booster action, can arrange according to actual needs, also not give unnecessary details carrying out one by one word at this.
Electric motor used for wet-type operation pump described in the utility model is fit to be applied in household electrical appliance, especially is fit to be applied in dishwasher.
Need to prove, described in the utility model as the nouns of locality such as " side face, end, end faces " be for the ease of as described in the description of structure, should not be construed the restriction term to the utility model claim protection range.
Operation principle of the present utility model and advantage:
1, the utility model is by arranging one or more fluids passageways at bearing body, fluid directly contacts bearing and impacts by the fluid passageway, avoid the bearing dry-running and produce higher degree wearing and tearing and causing the high problem of temperature, greatly improved the useful life of electric motor used for wet-type operation pump bearing, the utility model is simple in structure simultaneously, low cost of manufacture, the scale that is highly suitable in production is applied.
2, the utility model is by arranging breach on the support of bearing, breach and through hole coordinate and form complete fluid passage in conjunction with the gap between rotor assembly and sleeve pipe, in the effectively lubricating bearing, the fully effective Impurity deposition of having avoided adulterating in the fluid in complete fluid passage results in blockage in bearing region and damages the situation generation that associated components causes motor to move.
3, electric motor used for wet-type operation pump described in the utility model adopts injection moulding process to prepare integral type, the stator module of seamless link and thimble assembly, realized using wall thickness to equate, under the identical sleeve pipe condition of material, integral type of the present utility model, the stator module of seamless link and thimble assembly have strengthened the intensity of sleeve pipe greatly, namely under the condition that satisfies the casing strength requirement, integral type of the present utility model, the stator module of seamless link and sleeve pipe have greatly reduced the required wall thickness of sleeve pipe, effectively reduced the air gap between stator module and rotor assembly, improved the operational efficiency of motor, adopt simultaneously simple Shooting Technique just effectively to reduce the air gap between stator module and rotor assembly, preparation technology is simple, and cost is low, and long service life.
4, the utility model is in order to realize the strong fix of pole shoe in injection mold, a kind of novel pole shoe structure is proposed, specifically can be provided with one or more positioning elements on the end face of the non-injection moulding sleeve pipe of pole shoe or side, positioning element not only can be stablized with injection mold and coordinates, further preferably, the quantity of described positioning element can be 3, has namely realized the bikini strong fix of pole shoe and injection mold, guarantees to satisfy the injection moulding requirement.
5, the utility model proposes strutting piece is set on rotor core, 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 and contacting of rotor core from causing the corrosion to rotor core, especially be fit to be applied to its permanent magnetic steel and adopt the rotor assembly of being made by Ferrite Material, satisfied the precondition of air gap between rotor assembly that the motor operational efficiency requires and stator module, and low cost of manufacture.
6, when rotor assembly be when containing the rotor assembly of permanent magnetic steel, the utility model proposes the end face that is connected at pole shoe and stator tooth one or more depressed parts be set, in order to reduce the cogging torque of electric motor used for wet-type operation pump described in the utility model.
Description of drawings
Accompanying drawing 1 is the cutaway view of the described bearing 400 of the utility model embodiment 30;
Accompanying drawing 2 is perspective view of accompanying drawing 1;
Accompanying drawing 3 is cutaway views of the described sleeve pipe 100 of the utility model embodiment 30;
Accompanying drawing 4 is plan structure schematic diagrames of accompanying drawing 3;
Accompanying drawing 5 is cutaway views of the utility model embodiment 30 described electric motor used for wet-type operation pumps;
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 perspective view of the described knockdown electric motor used for wet-type operation pump stator module of the present embodiment 30 and sleeve pipe;
Accompanying drawing 9 is that the described stator module 200(of accompanying drawing 8 does not comprise pole shoe 230) perspective view;
Accompanying drawing 10 is perspective view of the described sleeve pipe 100 of accompanying drawing 8;
Accompanying drawing 11 is perspective view of the described rotor assembly 300 of the utility model embodiment 30;
Accompanying drawing 12 is upward views of the described knockdown electric motor used for wet-type operation pump stator module of the utility model embodiment 30 and sleeve pipe;
Accompanying drawing 13 is A place structure for amplifying schematic diagrames in accompanying drawing 12;
Accompanying drawing 14 is structural representations of pole shoe 230 described in accompanying drawing 12.
Accompanying drawing 15 is B place structure for amplifying schematic diagrames in accompanying drawing 9;
Accompanying drawing 16 is C place structure for amplifying schematic diagrames in 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, coordinate the tenon 211a of section, stator coil 220, pole shoe 230, detent 231, fit 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, the second bearing 500, O type packing ring 600, end cap 700 is installed, anti-wear parts 800.
Embodiment
Embodiment 1, a kind of electric motor used for wet-type operation pump bearing lubrication structure, described electric motor used for wet-type operation 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, bearing 400 is arranged between the rotating shaft 310 and sleeve pipe 100 bottoms of rotor assembly 300, wherein: be provided with one or more fluids passageways on bearing 400 bodies.
Embodiment 2, a kind of electric motor used for wet-type operation pump bearing lubrication structure, wherein: described fluid passageway is through hole 410, and all the other are with embodiment 1.
Embodiment 3, a kind of electric motor used for wet-type operation pump bearing lubrication structure, wherein: described fluid passageway is groove, and all the other are with embodiment 1.
Embodiment 4, a kind of electric motor used for wet-type operation pump bearing lubrication structure, wherein: described fluid passageway is axially to arrange, and all the other are with embodiment 1 or embodiment 2 or embodiment 3.
Embodiment 5, a kind of electric motor used for wet-type operation pump bearing lubrication structure, 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, breach 111 and through hole 410 coordinate and form complete fluid passage in conjunction with the gap between rotor assembly 300 and sleeve pipe 100, and all the other are with embodiment 2 or embodiment 4.
Embodiment 6, a kind of electric motor used for wet-type operation pump bearing lubrication structure, wherein: being shaped as of described fluid passageway is square, and all the other are with any one embodiment in embodiment 1-5.
Embodiment 7, a kind of electric motor used for wet-type operation pump bearing lubrication structure, wherein: described fluid passageway be shaped as circle, all the other are with any one embodiment in embodiment 1-5.
Embodiment 8, a kind of electric motor used for wet-type operation pump bearing lubrication structure, wherein: described fluid passageway be shaped as ellipse, all the other are with any one embodiment in embodiment 1-5.
Embodiment 9, a kind of electric motor used for wet-type operation pump bearing lubrication structure, wherein: described fluid passageway be shaped as polygon, all the other are with any one embodiment in embodiment 1-5.
Embodiment 10, a kind of electric motor used for wet-type operation pump bearing lubrication structure, 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 in embodiment 5-9.
Embodiment 11, a kind of electric motor used for wet-type operation pump comprise electric motor used for wet-type operation pump bearing lubrication structure as described in one of embodiment 1-10, and wherein: described stator module 200 is integral type, seamless connecting structure with sleeve pipe 100.
Embodiment 12, a kind of electric motor used for wet-type operation pump, wherein: described stator module is by 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 by the chase mortise respective outer side edges with pole shoe 230, and all the other are with embodiment 11.
Embodiment 13, a kind of electric motor used for wet-type operation pump, wherein: be provided with the 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 the ceramic material preparation between described the second bearing 500 and rotor assembly 300, all the other are with embodiment 11 or embodiment 12.
Embodiment 14, a kind of electric motor used for wet-type operation pump, wherein: described rotor assembly 300 refers to the cage rotor that is combined as a whole with rotating shaft 310, the rotor core 320 outer peripheral face intervals of rotor assembly 300 are fixed 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 electric motor used for wet-type operation 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 electric motor used for wet-type operation 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 electric motor used for wet-type operation pump stator module 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, described pole shoe 230 1 ends and stator tooth 211 are connected, integrated injection molding sleeve pipe 100 on the other end, 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, all the other are with any one embodiment in embodiment 1-16.
Embodiment 18, a kind of knockdown electric motor used for wet-type operation pump stator module and sleeve pipe, wherein: described positioning element is detent 231, and all the other are with embodiment 17.
Embodiment 19, a kind of knockdown electric motor used for wet-type operation pump stator module 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 electric motor used for wet-type operation pump stator module and sleeve pipe, wherein: described being connected as 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 electric motor used for wet-type operation pump stator module and sleeve pipe, wherein: the end face of described pole shoe 230 1 ends is provided with the fit 232 with each stator tooth 211 corresponding matching, stator tooth 211 ends are provided with the cooperation tenon 211a of section that its fit 232 is connected, and all the other are with any one embodiment in embodiment 17-20.
Embodiment 22, a kind of knockdown electric motor used for wet-type operation pump stator module and sleeve pipe, wherein: the quantity of described positioning element is 3, realization location of the bikini in injection mold during injection moulding sleeve pipe 100 on pole shoe 230 other ends of stator module 200, all the other are with any one embodiment in embodiment 17-21.
Embodiment 23, a kind of knockdown electric motor used for wet-type operation pump stator module and sleeve pipe, wherein: the quantity of described detent 231 is 3, realization location of the bikini in injection mold during injection moulding sleeve pipe 100 on pole shoe 230 other ends of stator module 200, all the other are with any one embodiment in embodiment 18-21.
Embodiment 24, a kind of knockdown electric motor used for wet-type operation pump stator module and sleeve pipe, wherein: described fit 232 becomes positioning element simultaneously, realization location in injection mold during injection moulding sleeve pipe 100 on pole shoe 230 other ends of stator module 200, all the other are with any one embodiment in embodiment 21-23.
Embodiment 25, a kind of knockdown electric motor used for wet-type operation pump stator module and sleeve pipe, wherein: described pole shoe 230 is 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 in embodiment 17-24.
Embodiment 26, a kind of knockdown electric motor used for wet-type operation pump stator module 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 in embodiment 17-24.
The assembly method of embodiment 27, a kind of knockdown electric motor used for wet-type operation pump stator module and sleeve pipe, wherein: place and be positioned at pole shoe 230 in injection mold, injection moulding obtains sleeve pipe 100 on pole shoe 230, then pole shoe 230 other ends by with being connected of stator tooth 211, obtain knockdown electric motor used for wet-type operation pump stator module and sleeve pipe, all the other are with any one embodiment in embodiment 17-26.
The assembly method of embodiment 28, a kind of knockdown electric motor used for wet-type operation pump stator module and sleeve pipe, wherein: the location structure that described pole shoe 230 is used for being positioned in injection mold refers to that 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.
The assembly method of embodiment 29, a kind of knockdown electric motor used for wet-type operation pump stator module and sleeve pipe, wherein: the location structure that described pole shoe 230 is used for being positioned in injection mold refers to that 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, as Fig. 1-shown in Figure 7, and with reference to other accompanying drawings, a kind of electric motor used for wet-type operation pump bearing lubrication structure, described electric motor used for wet-type operation 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, 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: be provided with 4 fluid passageways on bearing 400 bodies, described fluid passageway is the square through hole 410 that axially arranges, 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 1 breach 111, breach 111 and through hole 410 coordinate and form complete fluid passage in conjunction with the gap between rotor assembly 300 and sleeve pipe 100, the described support of bearing 110 is integrated the injection mo(u)lding structure with sleeve pipe 100, all the other are with any one embodiment in embodiment 1-16.
as Fig. 4-Figure 11, Figure 15 and shown in Figure 16, and with reference to other accompanying drawings, a kind of electric motor used for wet-type operation pump, comprise electric motor used for wet-type operation pump bearing lubrication structure as described in the present embodiment 30, described stator module 200 comprises stator core 210, stator coil 220, pole shoe 230, insulation framework 240, insulation framework 240 comprises insulation framework and lower insulation framework, be separately positioned on the upper and lower side of stator core 210, described pole shoe 230 is split type pole shoes, stator core 210 inner periphery one are extended a plurality of stator tooths 211 spaced apart, 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 fit 232 with each stator tooth 211 corresponding matching, stator tooth 211 ends are provided with the cooperation tenon 211a of section that its fit 232 is connected, pole shoe 230 is connected with stator tooth 211 chase mortise formulas, described pole shoe 230 and sleeve pipe 100 integral types, seamless injection moulding connection obtains knockdown electric motor used for wet-type operation pump stator module 200 and sleeve pipe 100, described rotor assembly 300 refers to the cage rotor that is combined as a whole with rotating shaft 310, rotor core 320 outer peripheral face intervals are fixed 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 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 the second bearing 500 between sleeve pipe 100 oral areas, comprise particularly second support of bearing 120, 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, the second bearing 500 is arranged between the rotating shaft 310 and second support of bearing 120 of rotor assembly 300, also be respectively arranged with O type packing ring 600 between described bearing 400 and the support of bearing 110 and between the second bearing 500 and second support of bearing 120, adjust the concentricity of bearing 400 and the second bearing 500, reduce simultaneously the wearing and tearing to bearing 400 and the second bearing 500, in order to solve the wear problem of the second bearing 500, be provided with the anti-wear parts 800 by the alumina ceramic material preparation between the second bearing 500 and rotor assembly 300, anti-wear parts 800 specifically are positioned at rotor core 320 ends near the second bearing 500.
as Fig. 4-shown in Figure 14, and with reference to other accompanying drawings, a kind of knockdown electric motor used for wet-type operation pump stator module 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, integrated injection molding sleeve pipe 100 on the other end, the end face of the non-injection moulding sleeve pipe 100 of described pole shoe 230 and side are provided with 3 detents 231, realization location of the bikini in injection mold during injection moulding sleeve pipe 100 on pole shoe 230 other ends of stator module 200, 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 fit 232 with each stator tooth 211 corresponding matching, stator tooth 211 ends are provided with the cooperation tenon 211a of section that its fit 232 is connected, and described fit 232 becomes 1 detent simultaneously, described pole shoe 230 is 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 simultaneously the intensity of sleeve pipe 100, be used on the end face of injection moulding sleeve pipe 100, strengthening groove 233 being set at pole shoe 230, all the other are with in embodiment 1-29 and any one embodiment of the described electric motor used for wet-type operation pump bearing lubrication structure of the present embodiment 30 and electric motor used for wet-type operation pump.
The assembly method of the described knockdown electric motor used for wet-type operation pump stator module of the present embodiment 30 and sleeve pipe is: place and be positioned at pole shoe 230 in injection mold, injection moulding obtains sleeve pipe 100 on pole shoe 230, then pole shoe 230 other ends by with being connected of stator tooth 211, obtain knockdown electric motor used for wet-type operation pump stator module and sleeve pipe, the location structure that described pole shoe 230 is used for being positioned in injection mold refers to that 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 utility model is preferred embodiment; the utility model is not limited to above-mentioned specific embodiment; it also has a lot of the variation or remodeling; the utility model also is not limited to the shape of the shape of fluid passageway, breach and quantity and detent, fit and quantity etc.; do not break away from connotation of the present utility model and scope, all belong to protection range of the present utility model.
Claims (10)
1. electric motor used for wet-type operation pump rotor assembly, it is characterized in that: described rotor assembly (300) refers to the cage rotor that is combined as a whole with rotating shaft (310), rotor core (320) the outer peripheral face interval of rotor assembly (300) is fixed 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 permanent magnetic steel (330) and extends to rotor core (320) end.
2. electric motor used for wet-type operation pump rotor assembly as claimed in claim 1, it is characterized in that: described strutting piece (340) can be working of plastics, by obtaining in the upper direct injection moulding of rotor core (320).
3. electric motor used for wet-type operation pump rotor assembly as claimed in claim 1 is characterized in that: described permanent magnetic steel (330) adopts Ferrite Material to be prepared from.
4. as claim 1 or 2 or 3 described electric motor used for wet-type operation pump rotor assembly, it is characterized in that: be provided with the second bearing (500) between the rotating shaft (310) of described rotor assembly (300) and sleeve pipe (100) oral area, be provided with the anti-wear parts (800) by the ceramic material preparation between described the second bearing (500) and rotor assembly (300).
5. as claim 1 or 2 or 3 described electric motor used for wet-type operation pump rotor assembly, it is characterized in that: described electric motor used for wet-type operation pump comprises sleeve pipe (100), stator module (200), rotor assembly (300), sleeve pipe (100) is positioned between stator module (200) and 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, bearing (400) is arranged between the rotating shaft (310) of rotor assembly (300) and sleeve pipe (100) bottom.
6. electric motor used for wet-type operation pump rotor assembly as claimed in claim 5 is characterized in that: be provided with one or more fluids passageways on described bearing (400) body.
7. electric motor used for wet-type operation pump rotor assembly as claimed in claim 5, it is characterized in that: be provided with the support of bearing (110) bottom described sleeve pipe (100), 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) coordinate and form complete fluid passage in conjunction with the gap between rotor assembly (300) and sleeve pipe (100).
8. electric motor used for wet-type operation pump rotor assembly as claimed in claim 5, it is characterized in that: described stator module is by 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 by the chase mortise respective outer side edges with pole shoe (230).
9. electric motor used for wet-type operation pump rotor assembly as claimed in claim 5, it is characterized in that: described stator module (200) comprises stator core (210), stator coil (220), pole shoe (230), stator core (210) inner periphery one is extended a plurality of stator tooths (211) spaced apart, described pole shoe (230) one ends and stator tooth (211) are connected, integrated injection molding sleeve pipe (100) on the other end, 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.
10. electric motor used for wet-type operation pump rotor assembly as claimed in claim 8 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220547089 CN202997840U (en) | 2012-06-20 | 2012-06-20 | Motor rotor component used in wet-type process pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220547089 CN202997840U (en) | 2012-06-20 | 2012-06-20 | Motor rotor component used in wet-type process pump |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220292045 Division CN202679156U (en) | 2012-06-20 | 2012-06-20 | Bearing lubrication structure for wet operation pump motor, and motor with application of the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997840U true CN202997840U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220547089 Expired - Fee Related CN202997840U (en) | 2012-06-20 | 2012-06-20 | Motor rotor component used in wet-type process pump |
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| Country | Link |
|---|---|
| CN (1) | CN202997840U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106533003A (en) * | 2016-11-18 | 2017-03-22 | 广东威灵电机制造有限公司 | Rotor and permanent magnet synchronous motor with same, refrigerator compressor and dish-washing machine |
-
2012
- 2012-06-20 CN CN 201220547089 patent/CN202997840U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106533003A (en) * | 2016-11-18 | 2017-03-22 | 广东威灵电机制造有限公司 | Rotor and permanent magnet synchronous motor with same, refrigerator compressor and dish-washing machine |
| CN106533003B (en) * | 2016-11-18 | 2018-12-18 | 广东威灵电机制造有限公司 | Rotor and permanent magnet synchronous motor, freezer compressor and dish-washing machine with it |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20180620 |