CN103835956B - draining pump - Google Patents

draining pump Download PDF

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Publication number
CN103835956B
CN103835956B CN201310473446.1A CN201310473446A CN103835956B CN 103835956 B CN103835956 B CN 103835956B CN 201310473446 A CN201310473446 A CN 201310473446A CN 103835956 B CN103835956 B CN 103835956B
Authority
CN
China
Prior art keywords
stator
assembly
rotor
pump
motor
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.)
Active
Application number
CN201310473446.1A
Other languages
Chinese (zh)
Other versions
CN103835956A (en
Inventor
佐藤克司
佐藤永
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.)
Fujikoki Corp
Original Assignee
Fujikoki Corp
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 Fujikoki Corp filed Critical Fujikoki Corp
Publication of CN103835956A publication Critical patent/CN103835956A/en
Application granted granted Critical
Publication of CN103835956B publication Critical patent/CN103835956B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606—Canned motor pumps
    • F04D13/0613—Special connection between the rotor compartments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/12—Combinations of two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D3/00—Axial-flow pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

A kind of assembleability of present invention offer is excellent, the high draining pump motor of alignment.In the shell of draining pump（10）Top be provided with cap（46）Lower cover（40）.The stator assembly for constituting motor is installed on the top of lower cover（120）With rotor assembly（140）.In this draining pump, by by the stator-core member of stator unit（126）Peripheral part and lower cover（40）Inside diameter（45）As the reference position of assembling so that it is guaranteed that assembly precision.

Description

Draining pump
Technical field
The present invention relates to the draining pump that a kind of water for being used for the drain pan to lodging in air-conditioning carries out draining.
Background technology
Following patent documents illustrates the basic structure of this draining pump.
Draining pump is accommodated with resinous rotating vane in resinous pump main body.Tool is installed on the top of pump main body There is the resinous cover body of the cover of upper surface as pump main body, motor is supported on the top of the cover body.Moreover, logical Cross the output shaft driving rotating vane of motor.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2009-264315 publications
Patent document 2：Japanese Unexamined Patent Publication 9-053591 publications
Invent problem to be solved
The structure of nearest draining pump is：As the motor of driving, stator is used for resin cast, is realized and is improved exhausted The structure of edge, assembling supports the plastic cover body of the resin cast motor and is linked to the synthetic resin of the cover body The pump main body of system.
Typically, the dimensional accuracy of resin is often than the poor dimensional precision of metallic article.
In the case where assembling the larger resin of the dimensional tolerance, the accumulative axle so as to rotating vane of scale error with Alignment between the axis of pump main body is deteriorated, and exists as the unfavorable condition for producing vibration cause.
The content of the invention
Therefore it is an object of the invention to provide a kind of draining pump of the easy axiality for improving rotating vane.
Means for solving the problems
To reach above-mentioned purpose, draining pump of the invention is included as elementary cell：Rotating vane；Pump case, the pump Shell has the pump chamber for being accommodated with the rotating vane；Shell cover body, the shell cover body is used as the upper table for covering the pump case The cap in face plays a role；It is equipped on the motor on the shell cover body top；And it is covered in the motor cover body of the motor. The motor has：The stator assembly of resin cast and the rotor set driven by the stator assembly by electromagnetic rotating Body is filled, the stator assembly has：Lamination formation stator-core member, by the stator-core member carry out resin cast and make Resin cast body and be regularly configured at the central shaft of the resin cast body.
Moreover, the outer peripheral face assembly of the stator-core member of the stator assembly is in the top inner circumferential of the shell cover body Wall.
Moreover, the rotor assembly includes columnar magnet rotor and keeps the rotor center of the magnet rotor Body, the rotor center part has central shaft hole with the end, and the central shaft is rotatably supported by the central shaft hole, and And the rotor center part has the installation portion of rotating vane link in bottom.
Invention effect
The draining pump of the present invention is by the structure with the above, and while assembleability is excellent, alignment is also higher, Neng Gouti The high performance as draining pump.
Brief description of the drawings
Fig. 1 is the side view of draining pump.
Fig. 2 is the top view of draining pump.
Fig. 3 is Fig. 2 line A-A sectional view.
Fig. 4 is the sectional view of motor.
Fig. 5 is the sectional view of stator unit.
Fig. 6 is the sectional view of rotor unit.
Fig. 7 is the figure for representing draining pump modular construction and assembling procedure.
Fig. 8 is the side view of lower cover.
Fig. 9 is the top view of lower cover.
Figure 10 is the sectional view of lower cover.
Figure 11 is the side view of stator unit.
Figure 12 is the upward view of stator unit.
Symbol description
10 pump cases
12 pump chambers
30 o-rings
40 shell cover bodies (lower cover)
42 buckle receiving portions
43 stator unit supporting parts
44 buckle receiving portions
45 stator unit receiving portions
46 caps
48 opening portions
50 motor cover bodies (upper outlet body)
54 buckle arms
100 motor
120 stator assemblies
121 resin casts
122 bobbins
124 coils
125 distributions
126 stator-core members
130 axles
140 rotor assemblies
141 rotor center parts
142 flange portions
144 installation portions
146 rotor portions
150th, 152 bearing
160 stressed plates
200 rotating vanes
210 axle portions
G1Gap
K11st reference position
K22nd reference position
K33rd reference position
Embodiment
Fig. 1 is the side view of the draining pump of the present invention, and Fig. 2 is top view, and Fig. 3 is Fig. 2 line A-A sectional view.
Draining pump has resinous pump case 10, and rotating vane 200 is provided with the pump chamber 12 of pump case 10.In pump The top of shell 10 is provided with resinous shell cover body (hereinafter referred to as lower cover) 40 by o-ring 30.Lower cover 40 is utilized Buckle arm 14 located at pump case 10 is detachably installed on pump case 10 by buckle function.
Lower cover 40 has the cap 46 of the opening portion for the upper surface for being covered in pump case 10, and the central portion of cap 46 is formed There is the opening portion 48 of the insertion of axle portion 210 of rotating vane 200.
The installation portion 144 of rotor assembly 140 described later is pressed into the axle portion 210 of rotating vane 200.In the upper of lower cover 40 Portion is equipped with motor 100, and is synthesized resinous motor cover body (hereinafter referred to as upper outlet body) 50 coverings.In upper outlet body 50 Top is provided with the installation portion 52 for object Part (not shown).
Upper outlet body 50 has buckle arm 54, and the upper outlet body 50 is fixed on lower cover 40, the buckle work(by buckle function The elasticity of resin can be make use of.
Motor 100 is as shown in figure 4, the stator assembly 120 manufactured respectively by split is constituted with rotor assembly 140.
Stator assembly 120 is as shown in figure 5, with the bobbin 122 being integratedly disposed in resin cast body 121.Line Coil 122 is wound with coil 124, and power supply is received from distribution 125.Coil 124 carries out excitation to stator-core member 126, described fixed Sub- core components are overlapping metallic plate.The axle 130 of cylinder is installed in the central part of resin cast body 121.
Rotor assembly 140, as shown in fig. 6, with resinous rotor center part 141.Rotor center part 141 is hollow Drum, its bottom have press-in rotating vane 200 axle portion 210 installation portion 144.Heart body 141 in the rotor Upper outside be fixed with rotor portions 146.The flange portion for preventing that water from immersing to rotor portions 146 is provided with the lower section of rotor portions 146 142.The inside diameter of heart body 141 is provided with the bearing 150,152 for axle 130 in the rotor.Axle below the insertion of stressed plate 160 Hold 152 bottom.
7 pairs of processes that rotor assembly 140 is assembled in into stator assembly 120 of reference picture are illustrated.
First, the axle 130 of stator assembly 120 is inserted to the axle for the rotor center part 141 for being disposed in rotor assembly 140 Hold 150 and bearing 152.While the top ends of axle 130 are connected to stressed plate 160, stator-core member 126 leads to rotor portions 146 Cross mutual magnetic force to attract, rotor assembly 140 will not drop out from axle 130.
In this condition clearance G is formed between the bottom 121a and flange portion 142 of resin cast 1211.The clearance G1If It is set to rotor assembly 140 when rotated with resin cast 121 not interfere.Further, since the presence of flange portion 142 is so as to prevent Water immersion is internal.
Motor 100 is using the inside that the axle 130 of the side of stator assembly 120 is taken in stator center body 141, with resin-made Rotor assembly 140 surround structure.By the structure, it can prevent the water dispersed from the side of pump case 10 from immersing motor In 100, so as to improve the function of draining pump.
Next, 7~Figure 12 of reference picture, the assembling details to draining pump are illustrated.Fig. 8 is the side view of lower cover 40 Figure, Fig. 9 is the top view of lower cover 40, and Figure 10 is the sectional view of lower cover 40, and Figure 11 is the side view of stator assembly 120, Figure 12 is the upward view of stator assembly 120.
As shown in Figure 10, stator unit receiving portion 45, the stator are formed with the inside diameter of the topmost of lower cover 40 Unit receiving portion 45 is thinned formed by the cover body wall thickness chimeric with stator assembly 120, and provided with stepped fixed Subelement supporting part 43.The chimeric stator unit receiving portion 45 of stator assembly 120 is reference position when assembling draining pump.Will The reference position is used as the 3rd reference position K3。
As shown in Figure 11,12, the stator-core member 126 of stator assembly 120 is that magnetic holding plate passes through punching processing etc. It is fabricated by, the dimensional accuracy of its outer peripheral face (outer diameter part) is higher.Therefore, by the outer peripheral face (external diameter of stator-core member 126 Portion) it is used as the 1st reference position K1If, the 1st reference position K1Dimensional accuracy it is higher than the dimensional accuracy of resin.Moreover, will The center of insertion stator assembly 120 and the outer radial position of the metal axle 130 of fixation is used as the 2nd reference position K2's Words, the 2nd reference position K2Precision it is also higher.
In the assembling procedure shown in Fig. 7, by above-mentioned 1st reference position K1, the 2nd reference position K2, the 3rd reference position K3 Draining pump is assembled as benchmark.
Rotating vane 200 is configured with the pump chamber 12 of pump case 10.Lower cover 40 is passed through by buckle work(by o-ring 30 Pump case 10 can be installed on.
Axle 130 is fixed on the middle position of stator assembly 120 to provide the 2nd reference position K2(middle position). Axle 130 is inserted the bearing 150,152 of stator assembly 140 to assemble motor.Make the stator bore of stator assembly 120 1st reference position K of the outer peripheral face (outer diameter part) of part 1261With the 3rd reference position of the stator unit receiving portion 45 of lower cover 40 K3Alignment is embedded so as to be assembled.The axle portion 210 of rotating vane 200 is inserted to the rotor center part 141 of rotor assembly 140 Installation portion 144 enter joining line.
Upper outlet body 50 is by buckle function mounting in the top of lower cover 40 so as to complete draining pump.
The draining pump of the present invention, using following structure：By the metal stator core of mold on stator assembly 120 The outer diameter part of part 126 is used as the 1st reference position K1, it regard the stator unit receiving portion 45 of resinous lower cover 40 as the 3rd Reference position K3And it is fitted together to it.Then, the outer diameter part that will insert the axle 130 of the central portion of stator assembly 120 is used as the 2nd base Level puts K2So as to the integration of rotor assembly 140, and rotor assembly 140 is linked to rotating vane 200.
By the structure, the coaxial precision of the axis and the axis of rotating vane 200 of pump case 10 is improved, can be prevented spin-ended Rotating vane piece 200 produces vibration etc. when rotated.

Claims (1)

1. a kind of draining pump, it is characterised in that include：
Rotating vane；Pump case, the pump case has the pump chamber for being accommodated with the rotating vane；Shell cover body, the shell Cover body plays a role as the cap of the opening portion for the upper surface for covering the pump case；It is equipped on the electronic of the shell cover body top Machine；And cover the motor cover body of the motor,
The motor has：The stator assembly of resin cast and turn driven by the stator assembly by electromagnetic rotating Sub- assembly,
The stator assembly has：The stator-core member formed is laminated, resin cast is carried out to the stator-core member and made Resin cast body and be regularly configured at the central shaft of the resin cast body,
The outer peripheral face assembly of the stator-core member of the stator assembly in the top internal perisporium of the shell cover body,
The rotor assembly includes columnar magnet rotor and keeps the rotor center part of the magnet rotor, described turn Subcenter body has central shaft hole with the end, and the central shaft is rotatably supported by the central shaft hole, and described turn Subcenter body has the installation portion of rotating vane link in bottom.
CN201310473446.1A 2012-11-26 2013-10-11 draining pump Active CN103835956B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012257607A JP6078307B2 (en) 2012-11-26 2012-11-26 Drainage pump
JP2012-257607 2012-11-26

Publications (2)

Publication Number Publication Date
CN103835956A CN103835956A (en) 2014-06-04
CN103835956B true CN103835956B (en) 2017-09-22

Family

ID=50799776

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310473446.1A Active CN103835956B (en) 2012-11-26 2013-10-11 draining pump

Country Status (3)

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JP (1) JP6078307B2 (en)
KR (1) KR101840493B1 (en)
CN (1) CN103835956B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6754333B2 (en) * 2017-08-04 2020-09-09 株式会社鷺宮製作所 Drainage pump
KR20200015145A (en) 2018-08-03 2020-02-12 한양대학교 산학협력단 Silver-zinc battery in form of fiber by using wet-spinning

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101943181A (en) * 2009-07-07 2011-01-12 株式会社不二工机 Draining pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62108593U (en) * 1985-12-26 1987-07-10
JP4954269B2 (en) * 2009-11-25 2012-06-13 三菱電機株式会社 Pump and heat pump type hot water supply device
CN102347676A (en) * 2010-07-30 2012-02-08 浙江三花股份有限公司 Direct-current brushless motor and drainage pump
JP5285055B2 (en) * 2010-12-16 2013-09-11 株式会社鷺宮製作所 Drainage pump for air conditioner

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101943181A (en) * 2009-07-07 2011-01-12 株式会社不二工机 Draining pump

Also Published As

Publication number Publication date
JP6078307B2 (en) 2017-02-08
JP2014105599A (en) 2014-06-09
KR20140067891A (en) 2014-06-05
CN103835956A (en) 2014-06-04
KR101840493B1 (en) 2018-03-20

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