CN110529386A - Pump and washing facility - Google Patents

Pump and washing facility Download PDF

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Publication number
CN110529386A
CN110529386A CN201810501971.2A CN201810501971A CN110529386A CN 110529386 A CN110529386 A CN 110529386A CN 201810501971 A CN201810501971 A CN 201810501971A CN 110529386 A CN110529386 A CN 110529386A
Authority
CN
China
Prior art keywords
pump
drive shaft
wall
rotor assembly
bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810501971.2A
Other languages
Chinese (zh)
Other versions
CN110529386B (en
Inventor
王金水
尹斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanhua Yaweike Electrical Equipment (wuhu) Co Ltd
Sanhua Aweco Appliance Systems Wuhu Co Ltd
Original Assignee
Sanhua Yaweike Electrical Equipment (wuhu) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanhua Yaweike Electrical Equipment (wuhu) Co Ltd filed Critical Sanhua Yaweike Electrical Equipment (wuhu) Co Ltd
Priority to CN201810501971.2A priority Critical patent/CN110529386B/en
Publication of CN110529386A publication Critical patent/CN110529386A/en
Application granted granted Critical
Publication of CN110529386B publication Critical patent/CN110529386B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/007Details, component parts, or accessories especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/046Bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/586Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps

Abstract

The present invention provides a kind of pump and washing facilitys, the pump includes driving device, the driving device is equipped with drive shaft, it is sheathed on the rotor assembly of the drive shaft, field frame assembly positioned at the rotor assembly periphery and the plastic fastening that is set between the rotor assembly and the drive shaft, the plastic fastening is equipped with the first wall being interval between the rotor assembly and the drive shaft axial wall, at least one cavity extended along the drive shaft axial direction is equipped in first wall, described cavity one end sealed set, the cavity other end is equipped with opening.It is arranged such, the weight for reducing the rotor assembly reduces the rotary inertia of the rotor assembly, reduces the influence to the rotor assembly concentricity, the noise generated between the rotor assembly and the drive shaft and abnormal vibration are reduced, enables the rotor assembly by more precise control.

Description

Pump and washing facility
Technical field
The present invention relates to a kind of household appliance technical field more particularly to a kind of pumps and washing facility.
Background technique
With the development of brushless motor, especially in the promotion and application of household appliance technical field, brushless motor is because of power The advantages that density is big, high-efficient and by highly recognition.Brushless motor is a fast-developing in recent years industry, and many techniques have It is to be modified.
In the prior art, the rotor core in brushless motor and plastic part heavier-weight turn in motor operation course The rotary inertia of son is big, and adjustment amount is big when dynamic balancing, because concentricity is bad in motor high speed rotation, generates motor abnormal Vibration and noise, cause motor operation unsmooth, directly have an impact to the work of motor.
Summary of the invention
The purpose of the present invention is to provide a kind of lighter in weight, the pump and washing facility that vibration is small, noise is small.
To achieve the above object, the present invention adopts the following technical scheme: a kind of pump, including driving device described in driving device Equipped with drive shaft, the rotor assembly, the field frame assembly positioned at the rotor assembly periphery and the setting that are sheathed on the drive shaft Plastic fastening between the rotor assembly and the drive shaft, the plastic fastening are total equipped with the rotor is interval in At the first wall between the drive shaft axial wall, it is equipped in first wall and extends at least along the drive shaft axial direction One cavity, described cavity one end sealed set, the cavity other end are equipped with opening.
Optionally, the rotor assembly is equipped with the first end wall, second end wall opposite with first end wall and connection The inner and outer wall of first end wall, the second end wall, first end wall are equipped at least one limiting slot and/or described second End wall is equipped at least one limiting slot and/or the inner wall is equipped at least one limiting slot.
Optionally, the quantity of the limiting slot is more than or equal to 2, and the limiting slot is symmetrical set.
Optionally, institute's plastic fastening is additionally provided with the retaining piece to match with the limiting slot, the retaining piece with it is described Limiting slot is matched to hold the plastic fastening.
Optionally, the plastic fastening further includes the holding part for being set to first wall both ends, and the holding part will The plastic fastening and the rotor assembly are relatively fixed.
Optionally, the drive shaft is additionally provided with the first chamber lain along in the axial wall along the drive shaft axial direction Room, the axial wall are equipped at least one Drainage Division radially penetrated through.
Optionally, the pump is additionally provided with the bearing for being placed in the drive shaft and being located at the rotor assembly both ends, institute The projection that bearing is stated along the radial direction of the drive shaft is least partially overlapped with the projection of the Drainage Division.
Optionally, the Drainage Division is at least one drainage hole for radially penetrating through the axial wall, the throwing of the drainage hole The projection of shadow and the bearing is least partially overlapped.
Optionally, the pump includes the first bearing and second bearing set on rotor assembly both ends, and the Drainage Division includes First Drainage Division and the second Drainage Division, radially, the projection of first Drainage Division projected with the first bearing is extremely The projection of small part overlapping, second Drainage Division is least partially overlapped with the projection of the second bearing.
The present invention also provides a kind of washing facilitys, have pump and washing cavities, the liquid outlet pipe of the pump and the washing cavities Connection, the pump further include the pump as described in any one of claim 1-9.
From the above technical scheme, the rotor assembly is equipped with the plastic fastening, and the plastic fastening is equipped with Cavity is equipped with along the first wall of the drive shaft axial direction, first wall, the cavity reduces the plastic fastening Quality reduces the rotary inertia of the rotor assembly, reduces the influence to the rotor assembly concentricity, reduces the rotor The noise generated between assembly and the drive shaft and abnormal vibration, enable the rotor assembly by more precise control.
Detailed description of the invention
Fig. 1 is present invention pump stereoscopic schematic diagram.
Fig. 2 is the cross-sectional view of present invention A-A along Fig. 1.
Fig. 3 is that the present invention removes the part isometric exploded view after pump case and housing.
Fig. 4 is the stereoscopic schematic diagram of rotor assembly of the invention.
Fig. 5 is drive shaft stereoscopic schematic diagram of the invention.
Fig. 6 is the stereoscopic schematic diagram of impeller of the present invention.
Fig. 7 is the stereoscopic schematic diagram of plastic fastening of the present invention.
Fig. 8 is the stereoscopic schematic diagram of another angle of plastic fastening of the present invention.
Fig. 9 is the cross-sectional view of rotor assembly of the present invention.
Figure 10 is the structural schematic diagram of plastic fastening right side of the present invention.
Figure 11 is the schematic diagram of the rotor assembly of plastic fastening of the present invention.
Figure 12 is the cross-sectional view of B-B in Figure 10 of the present invention.
Appended drawing reference: 100- pump;1- pump case;10- second chamber;11- input duct;12- heating device;13- cavity wall; 14- liquid outlet pipe;15- third chamber;2- driving device;21- drive shaft;The first Drainage Division 211-;The first drainage hole of 2111-; The second Drainage Division 212-;The second drainage hole of 2121-;213- chamber;The inlet opening 214-;215- apopore;216- axial wall;22- turns Sub- assembly;The first end wall of 221-;The second end wall of 222-;223- inner wall;224- outer wall;23- field frame assembly;231- stator core; 232- stator winding;24- first bearing;25- second bearing;26- plastic fastening;261- cavity;2611- outlet pass;2612- Second wall;The first holding part of 262-;The second holding part of 263-;264- first boss;265- second boss;The first fin of 266-; 267- retaining piece;Axocoel in 268-;The first wall of 269-;27- limiting slot;The 7th chamber of 29-;3- water diversion disk;The 4th chamber of 30-; 31- annular and separation wall;The 5th chamber of 310-;32- buckle;33- wall;4- housing;42- housing;5- impeller;51- water inlet;6- branch Frame;The 6th chamber of 60-;61- disk-shaped main body;62- endless wall;7-O ring;8-O shape sealing ring;9- fixing piece;The periphery 91- Face.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments The present invention is described in detail.
It please refers to shown in Fig. 1 to Figure 12, present invention discloses a kind of washing facility, the washing facility is equipped with a kind of pump 100, the pump 100 includes driving device 2, the water diversion disk 3 that is mounted on 2 left end of driving device, is mounted on the driving and fills Set the pump case 1 of the housing 4 of 2 right ends, the impeller 5 for being mounted on 3 left side of water diversion disk and mask in 5 outside of impeller, institute It states pump case 1 and is equipped with the second chamber 10 for accommodating the impeller 5.
The driving device 2 is can be with the DC brushless motor of positive and negative rotation, and the DC brushless motor 2 is including described in control The control circuit (not shown) of the operation of driving device 2, is sheathed on the driving at the drive shaft 21 being electrically connected to the control circuit The rotor assembly of axis and field frame assembly positioned at the rotor assembly periphery.The rotor being fixedly connected with the drive shaft 21 Assembly 22, field frame assembly 23.The impeller 5 is fixed on the left end of the drive shaft 21.The first bearing 24 is placed on described In drive shaft 21 and between the impeller 5 and the rotor assembly 22, the second bearing 25 is placed on the drive shaft On 21 and between the rotor assembly 22 and the housing 4.
As shown in Fig. 2, the water diversion disk 3 is equipped with the annular and separation wall 31 extended to form up and down, is located at the annular and separation 4th chamber 30 on 31 right side of wall extends to the right from the annular and separation wall 31 close to the inside edge of 21 side of drive shaft The third wall 33 of formation and the 5th chamber 310 of cylinder in the third wall 33.The rotor assembly 22 is received In the 5th chamber 310.The field frame assembly 23 is then housed in the 4th chamber 30, and the third wall 33 separates The rotor assembly 22 and the field frame assembly 23.In present embodiment, the field frame assembly 23 is equipped with the stator positioned at periphery Iron core 231 and the stator winding 232 in the stator core 231.The stator core 231 is around 21 shape of drive shaft At a circumference (not labeled) with first diameter.The annular and separation wall 31 of the water diversion disk 3 in left-right direction mask in institute State the outside of field frame assembly 23, the circumference where the annular and separation wall 31 has a second diameter, the second diameter be less than or Equal to the first diameter, so set, making compact-sized between the part of the pump 100, the mesh of 100 miniaturization of realization pump 's.
The pump 100 is additionally provided with one to the bracket 6 of the fixation bearing 21 and is sealed in the bracket 6 and first O ring 7 between bearing 24.The water diversion disk 3 is matched with the bracket 6 by buckle 32.The O ring 7 is O-ring seal.
The bracket 6 is equipped with the disk-shaped main body 61 extended up and down, is located at intermediate position through the disk-shaped main body 61 The 6th chamber 60, and the endless wall 62 extended to the right from the disk-shaped main body right lateral surface.6th chamber 60 It is connected to the 5th chamber 310 and their own central axis is conllinear.The ring of the endless wall 62 and the water diversion disk 3 31 mutual cooperation clamping of shape partition wall separates the second chamber 10 with the rotor assembly 22 or so.
The first bearing 24 is nested in the drive shaft 21 and is located at the left end of the rotor assembly 22, is located at described Between bracket 6 and the rotor assembly 22, the O ring 7 is to be sealed the first bearing 24 on 6 right side of bracket.Institute The left end for stating first bearing 24 is housed in the 6th chamber 60 of the bracket 6.The second bearing 25 is nested with described The right end of drive shaft 21, between the rotor assembly 22 and the housing 4.The water diversion disk 3 and the second bearing 25 Between be again provided with third sealing ring (not labeled) to reach to the sealing between the water diversion disk 3 and the second bearing 25.
The pump case 1 is equipped with input duct 11, mask in the cavity wall 13 of 10 periphery of second chamber and the cavity wall 13 Connection and the liquid outlet pipe 14 being connected to the second chamber 10 and the outer rim being clasped with the water diversion disk 3.It is described outer An O-ring seal 8 is additionally provided between edge and the water diversion disk 3, the O-ring seal 8 to seal the pump case 1, to prevent Only the liquid in second chamber 10 leaks out.It is described O-shaped when by the pump case 1 by being sealed with the water diversion disk 3 Sealing ring 8 is radially compacted deformation, to realize the sealing between the pump case 1 and the water diversion disk 3 radially.Such as This setting also reduces the pump 100 in the volume of radial direction, integrally makes the pump 100 compact-sized.
Third chamber 15 is formed between the pump case 1 and the impeller 5, the third chamber 15 is water inlet chamber, described Pump case 1 is fixed with heating device 12 at the input duct 11, and the heating device 12 is to give the third chamber 15 In water heating.The impeller 5 is housed in the second chamber 10, and water inlet 51 is equipped at the center of the impeller 5.
The hollow setting of the drive shaft 21, equipped with axial wall 216 and the axially extending chamber 213 in axial wall 216, institute It states chamber 213 to be connected with the water inlet 51 of the impeller 5, so that water is entered in the chamber 213 by the water inlet 51. The drive shaft 21 is graphite bearing or ball bearing, but is not limited only to the two, as long as achieving the effect that of the invention. The axial wall 216 is equipped with the first Drainage Division 211 and the second Drainage Division 212 radially penetrated through, and first Drainage Division 211 includes , along the first drainage hole 2111 of 21 radial direction of drive shaft, second Drainage Division 212 includes at least one at least one Along the second drainage hole 2121 of 21 radial direction of drive shaft, radially, the projection of first Drainage Division 211 and institute State the projection section overlapping of first bearing 24, the projection and the projection section of the second bearing 25 of second Drainage Division 212 Overlapping.The shape of first drainage hole 2111 and second drainage hole 2121 can be one in strip, circle, square One kind of kind or both cooperation or one kind of three's cooperation, in the present embodiment, first drainage hole 2111 and institute The shape for stating the second drainage hole 2121 is not limited solely to above-mentioned three kinds, as long as water can be made from first drainage hole 2111 and/or institute It states and is sprayed in the second drainage hole 2121, achieve the effect that the sandstone for cleaning 21 surrounding of drive shaft.The drive shaft 21 Including being located at the inlet opening 214 of 21 left end of drive shaft and going out positioned at the right end opposite with 21 left end of drive shaft Water hole 215.The chamber 213 interpenetrates with first drainage hole 2111, second drainage hole 2121.In this embodiment party In formula, first Drainage Division 211 includes 4 independent first drainage holes around 21 axial wall 216 of drive shaft setting 2111, second Drainage Division 212 includes 4 independent second drainage holes around 21 axial wall 216 of drive shaft setting 2121, it can make that there is lubrication effect well between the first bearing 24 and the second bearing 25 and the drive shaft 21 Fruit.In the pump 100, water enters from input duct 11, left from the drive shaft 21 by the water inlet 51 on the impeller 5 The inlet opening 214 at end enters in the chamber 213, flows out from the apopore 215 of 21 right end of drive shaft, the driving Under the circumference of the high-speed rotation, water in chamber 213 is from first drainage hole 2111 and second drainage hole 2121 for axis 21 It sprays outward, forms the water flow for washing away the first bearing 24 and second bearing 25, avoid the first bearing 24 and the drive The phenomenon that dry grinding between moving axis 21, the second bearing 25 and the drive shaft 21, moment keep the first bearing 24 With the lubrication between the drive shaft 21, the second bearing 25 and the drive shaft 21, the work for reducing the pump 100 is made an uproar Sound extends the service life of the pump 100;Simultaneously because water is from first drainage hole 2111 and the high speed of second drainage hole 2121 Discharge, can remove the first bearing 24,25 surrounding impurity of the second bearing, reduce the first bearing 24, described second The abrasion of bearing 25, to reduce the abnormal vibration between the drive shaft 21 and first bearing 24, second bearing 25, reduction is made an uproar Sound.In the present embodiment, water enters in the chamber 213 from the inlet opening 214 of the drive shaft 21, using the water outlet Mouth 215 flows out, and finally from the outflow (not shown) of the aperture on the water diversion disk 3, converges with the water in the third chamber 15, from And it is discharged from the liquid outlet pipe 14.During water flow is logical, it may be implemented between the water diversion disk 3 and third chamber 15 Water quality fast exchange, the impurity in water are not easy to precipitate, be easily drained.
As shown in Figure 7 to 10, the driving device 2 be equipped with drive shaft 21, the rotor that is sheathed on the drive shaft 21 it is total It is described at 22, field frame assembly 23 and the plastic fastening 26 being set between the rotor assembly 22 and the drive shaft 21 Plastic fastening 26 is equipped with the first hollow wall being interval between 21 axial wall 216 of the rotor assembly 22 and the drive shaft 269, the middle axocoel 268 of the drive shaft 21 is accommodated, first wall 269 is surrounded on 268 periphery of middle axocoel and in hollow Setting.At least one cavity 261 extended along 21 axial direction of drive shaft is equipped in first wall 269.The driving Axis 21 passes through axocoel 268 in institute, holds with 26 phase of plastic fastening.
The plastic fastening 26 further includes the holding part for being set to 269 both ends of the first wall, and the holding part includes The first holding part 262 extended to form to the left along 21 axial direction of drive shaft, and the second clamping extended to form to the right Part 263, the holding part are relatively fixed by the plastic fastening 26 and the rotor assembly 22.First holding part 262 Equipped with extending to form first boss 264 along 22 radial direction of drive shaft, and extend along 22 axial direction of drive shaft The first fin 266 is formed to 9 outer peripheral surface of fixing piece, first fin 266 is limited along 22 axial direction of drive shaft The rotor assembly 22.Second holding part 263 extends to form second boss 265, institute along 22 radial direction of drive shaft It states first boss 264 and the second boss 265 and holds the rotor assembly 22 along 22 radial direction of rotor assembly.It is described First wall, 296 right end is equipped with outlet pass 2611, and the outlet pass 2611 is connected to the cavity 261 and the 5th chamber 310, institute 261 left end of cavity is stated equipped with the second wall 2612, second wall 2612 forms the 7th chamber 29, institute with first fin 266 It states the 7th chamber 29 and accommodates the fixing piece 9.
In the present embodiment, multiple cavitys 261 disconnected with each other are set in first wall 269, it is described A plurality of cavities 261 are symmetrical arranged around the drive shaft 21.26 light weight of plastic fastening, while in the connection 26 The quality of the plastic fastening 26 is reduced equipped with a plurality of cavities 261, to make the quality drop of the entire rotor assembly 22 Low, the rotary inertia of the rotor assembly 22 reduces, and reduces the influence to 22 concentricity of rotor assembly, reduces the pump 100 noises generated and abnormal vibration enable the rotor assembly 22 by more precise control, improve the work of the pump 100 Efficiency.Meanwhile in the present embodiment, it is equipped with cavity 261 in the plastic fastening 26, water can be from the outlet pass 2611 It is interior to flow into the cavity 261, come into full contact with the rotor assembly 22 with the cooling water in the cavity 261, to reduce Temperature inside the rotor assembly 22 of the pump 100.
As is illustrated by figs. 11 and 12, the rotor assembly 22 includes the first end wall 221, opposite with first end wall the The inner wall 223 and outer wall 224 of two end walls 222 and connection first end wall 221, second end wall 222.Described first End wall 221 is equipped at least one limiting slot 27 and/or second end wall 222 and is equipped at least one limiting slot 27 and/or described Inner wall 223 is equipped at least one limiting slot 27, meanwhile, it can also be set in first end wall 221 and 223 junction of inner wall There are at least one limiting slot 27 and/or second end wall 222 and 223 junction of inner wall to be equipped at least one limiting slot 27, the limiting slot 27 is the arc-shaped to concave.Certainly, multiple limits also can be set on the rotor assembly 22 Slot 27, and the shape of the limiting slot 27 is with no restrictions, the limiting slot 27 is symmetrical set on the rotor assembly 22, In In present embodiment, the limiting slot 27 is symmetrical arranged along 21 radial direction of drive shaft or the limiting slot 27 is along described 21 axial direction of drive shaft is symmetrical arranged.The plastic fastening 26 is additionally provided with the retaining piece to match with the limiting slot 27 267, the retaining piece 267 is molded into the limiting slot 27 by way of injection molding, the retaining piece 267 and the limiting slot 27 match to hold the plastic fastening 26, reach fixing effect.In other embodiments, the limiting slot 27 and institute Stating retaining piece 267 can also cooperate by another way, herein with no restrictions, as long as can be realized the fixing rotor The effect of assembly 22.
In conclusion the rotor assembly 22 of heretofore described pump 100 is equipped with the plastic fastening 26, the modeling Material connector 26 is prepared using plastic material, to reduce the weight of rotor assembly.The plastic fastening 26 simultaneously Equipped with first wall 269 axial along the drive shaft 21, it is equipped with cavity 261 in first wall 269, in the cavity 261 not Only water flows into the temperature for reducing the pump 100, while the cavity 261 also reduces the quality of the plastic fastening 26, Reduce the rotary inertia of the rotor assembly 22, reduce the influence to the rotor assembly concentricity, reduces the pump 100 and produce Raw noise and abnormal vibration, improve the working efficiency of the pump 100.
It is used herein such as "upper", "lower", "left", "right", "front", "rear", representation space relative position term It is to describe relationship of the feature relative to another feature as shown in the drawings for the purpose convenient for explanation.It can manage Solution, according to the difference of product placement position, the term of relative space position can be intended to include other than orientation as shown in the figure Different direction, should not be interpreted as limitations on claims.In addition, descriptor "horizontal" used herein and non-fully It is equal to along the inclination for perpendicular to gravity direction, allowing to have certain angle.
In addition, above embodiments are merely to illustrate the present invention and not limit the technical scheme described by the invention, to this The understanding of specification should be based on person of ordinary skill in the field, although this specification is referring to the above embodiments pair Present invention has been detailed description, still, those skilled in the art should understand that, the technology of technical field Personnel still can modify or equivalently replace the present invention, and all do not depart from the technology of the spirit and scope of the present invention Scheme and its improvement should all be covered in scope of the presently claimed invention.

Claims (10)

1. a kind of pump, which is characterized in that including driving device, the driving device is equipped with drive shaft, is sheathed on the drive shaft Rotor assembly, positioned at the rotor assembly periphery field frame assembly and be set to the rotor assembly and the drive shaft it Between plastic fastening, the plastic fastening be equipped be interval between the rotor assembly and the drive shaft axial wall first Wall, first wall is interior to be equipped at least one cavity extended along the drive shaft axial direction, and cavity one end sealing is set It sets, the cavity other end is equipped with opening.
2. pump as described in claim 1, it is characterised in that: the rotor assembly is equipped with the first end wall and first end wall The inner and outer wall of opposite the second end wall and connection first end wall, the second end wall, first end wall are equipped at least One limiting slot and/or second end wall are equipped at least one limiting slot and/or the inner wall is equipped at least one limiting slot.
3. pump as claimed in claim 2, it is characterised in that: the quantity of the limiting slot is more than or equal to 2, and the limiting slot is in It is symmetrical arranged.
4. pump as claimed in claim 3, it is characterised in that: institute's plastic fastening is additionally provided with to be consolidated with what the limiting slot matched Gripping member, the retaining piece are matched with the limiting slot to hold the plastic fastening.
5. pump as described in claim 1, it is characterised in that: the plastic fastening further includes being set to first wall both ends Holding part, the holding part is relatively fixed by the plastic fastening and the rotor assembly.
6. pump as described in claim 1, it is characterised in that: the drive shaft is additionally provided with to be extended along the drive shaft axial direction First chamber in the axial wall, the axial wall are equipped at least one Drainage Division radially penetrated through.
7. pump as claimed in claim 6, it is characterised in that: the pump, which is additionally provided with, to be placed in the drive shaft and positioned at described The bearing at rotor assembly both ends, the bearing along the radial direction of the drive shaft projection with the projection of the Drainage Division at least It partly overlaps.
8. pump as claimed in claim 6, it is characterised in that: the Drainage Division is at least one for radially penetrating through the axial wall The projection of drainage hole, the drainage hole is least partially overlapped with the projection of the bearing.
9. pump as described in claim 1, it is characterised in that: the pump includes the first bearing and the set on rotor assembly both ends Two bearings, the Drainage Division include the first Drainage Division and the second Drainage Division, radially, the projection of first Drainage Division with The projection of the first bearing is least partially overlapped, the projection of second Drainage Division and the projection at least portion of the second bearing Divide overlapping.
10. a kind of washing facility, it is characterised in that: there are pump and washing cavities, the liquid outlet pipe of the pump and the washing cavities connect Logical, the pump further includes the pump as described in any one of claim 1-9.
CN201810501971.2A 2018-05-23 2018-05-23 Pump and washing equipment Active CN110529386B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810501971.2A CN110529386B (en) 2018-05-23 2018-05-23 Pump and washing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810501971.2A CN110529386B (en) 2018-05-23 2018-05-23 Pump and washing equipment

Publications (2)

Publication Number Publication Date
CN110529386A true CN110529386A (en) 2019-12-03
CN110529386B CN110529386B (en) 2021-04-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810501971.2A Active CN110529386B (en) 2018-05-23 2018-05-23 Pump and washing equipment

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Country Link
CN (1) CN110529386B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101555880A (en) * 2009-05-13 2009-10-14 丹东克隆集团有限责任公司 Magnetic pump
CN203453069U (en) * 2013-07-25 2014-02-26 淄博博山鲁明化工设备有限公司 Fluoroplastic magnetic drive pump
DE102014113412B3 (en) * 2014-09-17 2015-09-24 Nidec Gpm Gmbh Flow-cooled coolant pump with wet rotor
CN204877978U (en) * 2015-08-15 2015-12-16 江门市蓬江区茵豪电器有限公司 Water discharge pump
CN205225759U (en) * 2015-11-23 2016-05-11 江苏新腾宇流体设备制造有限公司 Magnetic drive pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101555880A (en) * 2009-05-13 2009-10-14 丹东克隆集团有限责任公司 Magnetic pump
CN203453069U (en) * 2013-07-25 2014-02-26 淄博博山鲁明化工设备有限公司 Fluoroplastic magnetic drive pump
DE102014113412B3 (en) * 2014-09-17 2015-09-24 Nidec Gpm Gmbh Flow-cooled coolant pump with wet rotor
CN204877978U (en) * 2015-08-15 2015-12-16 江门市蓬江区茵豪电器有限公司 Water discharge pump
CN205225759U (en) * 2015-11-23 2016-05-11 江苏新腾宇流体设备制造有限公司 Magnetic drive pump

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