CN108223393A - For the washing pump of dish-washing machine and with its dish-washing machine - Google Patents
For the washing pump of dish-washing machine and with its dish-washing machine Download PDFInfo
- Publication number
- CN108223393A CN108223393A CN201810090579.3A CN201810090579A CN108223393A CN 108223393 A CN108223393 A CN 108223393A CN 201810090579 A CN201810090579 A CN 201810090579A CN 108223393 A CN108223393 A CN 108223393A
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- China
- Prior art keywords
- dish
- washing
- rotor
- assembly
- washing machine
- 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.)
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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
- F04D13/0606—Canned motor pumps
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0084—Washing or rinsing machines for crockery or tableware of drawer-type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0089—Washing or rinsing machines for crockery or tableware of small size, e.g. portable mini dishwashers for small kitchens, office kitchens, boats, recreational vehicles
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4225—Arrangements or adaption of recirculation or discharge 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Water Supply & Treatment (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of washing pump for dish-washing machine and there is its dish-washing machine, washing pump includes：Pump case, BLDC motors and impeller.Pump case is equipped with inlet and outlet, and the flowing water space connected with inlet and outlet is equipped in pump case.BLDC motors include field frame assembly, rotor assembly, motor shaft and rotor seal part, field frame assembly includes stator core and stator winding, it is sleeved on motor shaft outside rotor assembly, rotor seal part wraps up rotor assembly, and rotor seal part is configured to the moulding by casting after rotor assembly is placed on injection mold and obtains.Impeller outer is sleeved on motor shaft and in flowing water space.Washing pump according to the present invention, by setting BLDC motors, can make the overall structure of washing pump it is compacter, save installation space.By setting rotor seal part, rotor assembly and motor shaft can be made to be formed as one moulding, it is not only convenient for assembly, the installation space of washing pump occupancy can also be reduced.
Description
Technical field
The present invention relates to household electrical appliance technical fields, more particularly, to a kind of washing pump for dish-washing machine and have its
Dish-washing machine.
Background technology
Washing pump is the critical component in dish-washing machine, and the washing pump in usual dish-washing machine is single-phase alternating current pump, single-phase
The working efficiency of alternating current pump is relatively low, volume is larger, occupies more installation space.Moreover, the work of single-phase alternating current pump
Make that noise is larger, high energy consumption, so as to need to set special damping material and acoustic material, considerably increase the processing of dish-washing machine
Cost.Small, the efficient main standard for becoming inspection washing pump and dish-washing machine low with noise and decision dish-washing machine market
The key of competitiveness.
Invention content
The present invention is directed at least solve one of technical problem in the prior art.For this purpose, the present invention proposes a kind of use
In the washing pump of dish-washing machine, the washing pump have the advantages that it is compact-sized, occupy little space, running stability it is high.
The invention also provides a kind of dish-washing machines equipped with above-mentioned washing pump.
Washing pump for dish-washing machine according to embodiments of the present invention, including：Pump case, the pump case be equipped with water inlet and
Water outlet, the pump case is interior to be equipped with the flowing water space connected with the water inlet and the water outlet；BLDC motors, the BLDC
Motor is located on the pump case, and the BLDC motors include field frame assembly, rotor assembly, motor shaft and rotor seal part, described
Field frame assembly includes stator core and the stator winding being wrapped on the stator core, and the electricity is sleeved on outside the rotor assembly
On arbor, the rotor seal part wraps up the rotor assembly, and the rotor seal part is configured to that the electricity will be sleeved on outside
Moulding by casting obtains after the rotor assembly on arbor is placed on injection mold；Impeller, the impeller outer are sleeved on the motor
On axis and in the flowing water space.
Washing pump for dish-washing machine according to embodiments of the present invention, by setting BLDC motors, can not influence to wash
Make under the premise of the working efficiency for washing pump the overall structure of washing pump it is compacter, save installation space, washed so as to be promoted
The practical performance of bowl machine.By setting rotor seal part, the fit structure that can make rotor assembly and motor shaft is compacter, no
Only can be convenient for assembly, the installation space of washing pump occupancy can also be reduced.
According to some embodiments of the present invention, the washing pump further includes shielding case, and the shielding is located at the pump case
The flowing water space above and with pump case cooperation is limited, the rotor assembly for being enclosed with the rotor seal part is located at institute
It states in flowing water space, the field frame assembly is located at the outside in the flowing water space.
In some embodiments of the invention, the pump case includes first part and second part, in the first part
Equipped with the water inlet and the water outlet, the field frame assembly and the shielding case are clamped in the first part and described
Between two parts.
Specifically, the shielding case is clamped between the first part and the field frame assembly.
In some embodiments of the invention, the motor shaft is equipped with the bearing group positioned at the field frame assembly both sides
Part.
In some specific embodiments of the present invention, the periphery wall of each bearing assembly is equipped with flexible buffering piece,
The motor outer shaft sleeve has the support of bearing, and the support of bearing is located on the pump case and/or the shielding case, one of them
The flexible buffering piece is contacted with the shielding case, another described flexible buffering piece is contacted with the support of bearing.
In other specific embodiments of the present invention, outer on the motor shaft to be cased with ceramic friction plate, the ceramics rub
Pad is located on the rotor seal part, the ceramic friction plate and one of them described bearing assembly sliding contact.
Further, the rotor seal part is equipped with positioning groove, and rubber pad, the pottery are equipped in the positioning groove
Porcelain friction plate is embedded in the rubber pad.
According to some embodiments of the present invention, the field frame assembly further includes the stator being wrapped on the outside of the stator winding
Sealing element, the seal stator part is formed in is placed on injection mold by the stator core for being wound with the stator winding
Moulding by casting obtains afterwards.
Dish-washing machine according to embodiments of the present invention, including washing pump according to the above embodiment of the present invention.
Dish-washing machine according to embodiments of the present invention by setting above-mentioned washing pump, is equipped with BLDC motors in washing pump, can be with
Make under the premise of the working efficiency for not influencing washing pump the overall structure of washing pump it is compacter, save installation space, so as to
The practical performance of dish-washing machine can be promoted.Rotor seal part is equipped in washing pump, the cooperation of rotor assembly and motor shaft can be made
Structure is compacter, not only can be convenient for assembly, can also reduce the installation space of washing pump occupancy, wash the dishes so as to reduce
The overall volume of machine.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
It obtains significantly or is recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Significantly and it is readily appreciated that, wherein：
Fig. 1 is the overall structure diagram of washing pump according to embodiments of the present invention；
Fig. 2 is the front view of washing pump according to embodiments of the present invention；
Fig. 3 is the sectional view in A-A directions in Fig. 2；
Fig. 4 is the vertical view of washing pump according to embodiments of the present invention；
Fig. 5 is the side view of washing pump according to embodiments of the present invention；
Fig. 6 is the configuration schematic diagram of washing pump according to embodiments of the present invention；
Fig. 7 is the fit structure schematic diagram of motor shaft according to embodiments of the present invention, rotor assembly and impeller.
Reference numeral：
Washing pump 100,
Pump case 1,
First part 11, water inlet 111, water outlet 112, water supply connector 113, water outlet connector 114,
Second part 12, fixedly connected part 121,
Wire connection terminal 13,
Mounting bracket 14, yielding rubber 141,
Flowing water space 15,
BLDC motors 2,
Field frame assembly 21, stator core 211, seal stator part 212, pin hole 213,
Rotor assembly 22, rotor core 221, rotor magnet 222, rotor seal part 223, positioning groove 223a,
Motor shaft 23,
Impeller 3,
Shielding case 4, positioning pin 41, sealing ring 42,
Clutch shaft bearing component 5, the first flexible buffering piece 51,
Second bearing component 6, the second flexible buffering piece 61,
The support of bearing 7,
Ceramic friction plate 8,
Rubber pad 9.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that term " on ", " under ", "left", "right", " interior ", " outer ", " axis
To ", the orientation of the instructions such as " circumferential direction " or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of and retouch
It states the present invention and simplifies description rather than instruction or imply that signified device or element must have specific orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, define the feature of " first ", " second "
It can express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, it is " more
It is a " it is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Washing pump 100 according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 7, which can be used in and wash
In bowl machine.
As shown in figures 1 and 3, the washing pump 100 for dish-washing machine according to embodiments of the present invention, including：Pump case 1,
BLDC motors 2 (brshless DC motor) and impeller 3.
As shown in Figure 1 and Figure 4, water inlet 111 and water outlet 112 can be equipped on pump case 1, can be equipped in pump case 1 with
The flowing water space 15 that water inlet 111 is connected with water outlet 112.Optionally, water storage cup, water storage cup memory can be equipped in dish-washing machine
Contain the water for cleaning dishes and chopsticks, the water inlet 111 on pump case 1 can be connected with water storage cup.When dishwasher into operation, water storage cup
Interior water can be entered by water inlet 111 in flowing water space 15, then discharged by water outlet 112.
As shown in Figure 3 and Figure 6, BLDC motors 2 can be located on pump case 1, BLDC motors 2 can include field frame assembly 21,
Rotor assembly 22, motor shaft 23 and rotor seal part 223, impeller 3 can be sleeved on motor shaft 23 and outside positioned at flowing water spaces 15
It is interior.When washing pump 100 works, BLDC motors 2 can be rotated with drive motor shaft 23 to be rotated with impeller 3, thus may be used
Guiding the water in water storage cup to flowing water space 15.It is understood that BLDC motors 2 have, speed adjustable range is wide, overloads
Ability is strong, reliability is high and advantages of simple structure and simple, and setting BLDC motors 2, can not influence washing pump in washing pump 100
Make under the premise of 100 working efficiency the overall structure of washing pump 100 it is compacter, save installation space, so as to be promoted
The practical performance of dish-washing machine.
As shown in fig. 6, field frame assembly 21 can include stator core 211 and the stator that is wrapped on stator core 211 around
Group, rotor assembly 22 are sleeved on motor shaft 23 outside, and rotor seal part 223 can wrap up rotor assembly 22,223 quilt of rotor seal part
The moulding by casting after the rotor assembly being sleeved on outside on motor shaft 23 22 is placed on injection mold is configured to obtain.Specifically,
At work, stator winding electrifying can simultaneously form magnetic field to BLDC motors 2, and rotor assembly 22 under the action of a magnetic force can band
Dynamic motor shaft 23 is rotated.When rotor assembly 22 and motor shaft 23 are assembled, electricity can will be sleeved on outside rotor assembly 22
It on arbor 23 and is placed in specific injection mold, rotor seal part 223, rotor is then formed by the way of injection molding
It is sleeved on rotor assembly 22 outside sealing element 223, it is possible thereby to rotor assembly 22 and motor shaft 23 is made to be formed as one moulding, from
And the fit structure of rotor assembly 22 and motor shaft 23 can be made compacter, and it not only can be convenient for assembly, it can also reduce and wash
Wash the installation space that pump 100 occupies.
For example, rotor seal part 223 can be plastic material part.When rotor assembly 22 is sleeved on motor shaft 23 and is put into outside
After specific injection mold, the plastics of liquid can be injected by the sprue gate on injection mold in injection mold, then
Pressurize and cooling are carried out, finally die sinking can be obtained by the rotor assembly 22 of integrated injection molding and motor shaft 23.
In specific example shown in Fig. 7, rotor assembly 22 can include rotor magnet 222 and rotor core 221, motor
Axis 23 is threaded through on rotor core 221, is covered on rotor magnet 222 and rotor core 221 outside rotor seal part 223.As a result, may be used
So that the fit structure of rotor core 221 and rotor magnet 222 is compacter.Optionally, motor shaft 23 can be stainless steel
Materials and parts thus it can be prevented that the phenomenon that motor shaft 23 gets rusty, and can extend the service life of motor shaft 23.
Washing pump 100 for dish-washing machine according to embodiments of the present invention, can be in not shadow by setting BLDC motors 2
Ring washing pump 100 working efficiency under the premise of make the overall structure of washing pump 100 it is compacter, save installation space, so as to
The practical performance of dish-washing machine can be promoted.By setting rotor seal part 223, matching for rotor assembly 22 and motor shaft 23 can be made
It is compacter to close structure, not only can be convenient for assembly, the installation space of the occupancy of washing pump 100 can also be reduced.
As shown in Figure 3 and Figure 6, according to some embodiments of the present invention, washing pump 100 can also include shielding case 4, shielding
Cover 4 can be located on pump case 1 and limit flowing water space 15 with the cooperation of pump case 1, be enclosed with the rotor assembly of rotor seal part 223
22 can be located in flowing water space 15, and field frame assembly 21 is located at the outside in flowing water space 15, it is possible thereby to make the whole of washing pump 100
Body structure is simpler, reasonable, can prevent water from entering in field frame assembly 21.
Specifically, field frame assembly 21 and rotor assembly 22 can be spaced apart by shielding case 4, shielding case 4 can anti-fluid stopping
Water in hydrospace 15 is entered in field frame assembly 21, can be played a dual role of water segregation and is electrically isolated, so as to true
Protect the normal work of BLDC motors 2.Further, shielding case 4 can guide the water in flowing water space 15 to carry out motor shaft 23
Lubrication and cooling, so as to the work noise for mitigating the fretting wear of motor shaft 23, reducing BLDC motors 2.
As shown in Figure 3 and Figure 6, in some optional embodiments of the present invention, pump case 1 can include 11 He of first part
Second part 12 can be equipped with water inlet 111 and water outlet 112 in first part 11, and field frame assembly 21 and shielding case 4 can press from both sides
It holds between first part 11 and second part 12, it is possible thereby to make the overall structure of BLDC motors 2 simple, convenient for assembly.
In the specific example of the present invention, pump case 1 is equipped with water supply connector 113 and water outlet connector 114, water supply connector
113 are connected for hollow and one end with first part 11, and the other end of water supply connector 113 opens wide setting to limit water inlet
111.Water outlet connector 114 is connected for hollow and one end with first part 11, the other end of water outlet connector 114 open wide set with
Limit water outlet 112.Water supply connector 113 and water outlet connector 114 may be used mating mode and connect with rubber tube, wash
Pump 100 is washed by rubber tube with water storage cup to be connected.Optionally, first part 11, water supply connector 113 and water outlet connector
114 can be arranged to integrated injection molding part, thus can not only facilitate processing and assembling, can also be promoted pump case 1 sealing performance,
Promote the working efficiency of washing pump 100.
As shown in fig. 6, in some specific embodiments of the present invention, shielding case 4 can be clamped in first part 11 and determine
Between sub- assembly 21, so as to so that shielding case 4 realizes better isolation effect.For example, as shown in fig. 6, first part 11, leaf
Wheel 3, shielding case 4, rotor assembly 22, field frame assembly 21 and second part 12 are sequentially distributed on the direction turned left from the right side, wherein,
The right end cooperation of first part 11 and shielding case 4 defines the installation space of impeller 3.The left end of shielding case 4 set there are four
The positioning pin 41 of its circumferentially-spaced distribution, sets that there are four spaced pin hole 213, each positioning pins 41 on field frame assembly 21
It is inserted into corresponding pin hole 213, thus field frame assembly 21 and shielding case 4 links together.Second part 12 passes through fixation
Connector 121 links together with field frame assembly 21.As a result, by above-mentioned design, the overall structure of washing pump 100 can be made more
Add it is simple, be easy for installation and removal.Optionally, fixedly connected part 121 can be screw.
As shown in Figure 3 and Figure 7, in some embodiments of the invention, it can be equipped on motor shaft 23 and be located at field frame assembly
The bearing assembly (clutch shaft bearing component 5 and second bearing component 6 as shown in Figure 3 and Figure 7) of 21 both sides, so as to so that BLDC
The operation of motor 2 is more steady.Specifically, bearing assembly can play the role of supporting motor shaft 23, two bearing assemblies
The left and right ends of field frame assembly 21 can be located at respectively, it is possible thereby to make the support force acted on motor shaft 23 more uniform,
The running stability of BLDC motors 2 can be promoted.
Optionally, as shown in figure 3, can be equipped with flexible buffering piece (such as Fig. 3 and figure on the periphery wall of each bearing assembly
The first flexible buffering piece 51 and the second flexible buffering piece 61 shown in 7), motor shaft 23 is cased with the support of bearing 7, the support of bearing 7 outside
It can be positioned on pump case 1 and/or shielding case 4, one of flexible buffering piece can be contacted with shielding case 4, another is flexible
Bolster can be contacted with the support of bearing 7, it is possible thereby to reduce the work noise of washing pump 100.Specifically, flexible buffering piece
Good shock absorbing effect can be played, can be prevented between bearing assembly and shielding case 4 or the support of bearing 7 in the work of vibration
It collides under, it is possible thereby to make the operation of washing pump 100 more steady.Optionally, flexible buffering piece can be rubber ring,
Rubber ring can be sleeved on bearing assembly outside, can not only realize the effect of bumper and absorbing shock, can also facilitate installation and replacement.
In order to facilitate distinguishing and describing, the bearing assembly in 22 left side of rotor assembly is known as clutch shaft bearing component 5, by rotor
The bearing assembly on 22 right side of assembly is known as second bearing component 6.The flexible buffering piece set on clutch shaft bearing component 5 is known as
The flexible buffering piece set on second bearing component 6 is known as the second flexible buffering piece 61 by one flexible buffering piece 51.
As shown in figure 3, in the specific example of the present invention, first is equipped between shielding case 4 and clutch shaft bearing component 5
Flexible buffering piece 51 is equipped with the second flexible buffering piece 61 between the support of bearing 7 and second bearing component 6.Wherein, the support of bearing 7
It is clamped between shielding case 4 and second part 12, the support of bearing 7 (does not show equipped with multiple discharge orifices being spaced apart in figure
Go out), each discharge orifice in the lateral direction through the support of bearing 7, impeller 3 can guide water in water storage cup by discharge orifice into
Enter into flowing water space 15.Optionally, sealing ring 42 between the support of bearing 7 and shielding case 4 can be set, washed it is possible thereby to be promoted
Wash the sealing performance of pump 100.
As shown in fig. 7, in an optional embodiment of the present invention, ceramic friction plate can be cased on motor shaft 23 outside
8, ceramic friction plate 8 is located on rotor seal part 223, ceramic friction plate 8 and one of bearing assembly sliding contact, thus
It can make the work noise more smooth, that washing pump 100 can be reduced of operation of BLDC motors 2.It is understood that ceramic material
The surface flatness of material is higher, wear-resisting property is relatively good.For example, ceramic friction plate 8 can form between second bearing component 6
Sliding pair so as to reduce the fretting wear of second bearing component 6, can extend the service life of second bearing component 6.This
Outside, ceramic friction plate 8 can also play the role of axially position, can prevent the left and right on motor shaft 23 of second bearing component 6
Play.
Further, as shown in fig. 7, positioning groove 223a can be equipped on rotor seal part 223, in positioning groove 223a
Rubber pad 9 can be equipped with, ceramic friction plate 8 is embedded in rubber pad 9, it is possible thereby to make the overall structure of BLDC motors 2 more
Compact, saving installation space.For example, positioning groove 223a can be located at the right end of rotor seal part 223, rubber pad 9 can be adopted
It is mounted in positioning groove 223a with the mode of interference fit, fitting groove can be set on rubber pad 9, and ceramic friction plate 8 is embedded
In fitting groove.
As shown in fig. 6, according to some embodiments of the present invention, field frame assembly 21 can also be wrapped in outside stator winding
The seal stator part 212 of side, seal stator part 212 is formed in is placed on note by the stator core 211 for being wound with stator winding
Moulding by casting obtains after mould, it is possible thereby to make the structure of field frame assembly 21 it is compacter, save assembly space.It is specific and
Stator core 211, can be placed in specific injection mold, wherein be wound with stator winding on stator core 211, so by speech
Seal stator part 212 is formed by the way of injection molding afterwards, seal stator part 212 can be formed as one with field frame assembly 21
Moulding., not only can be convenient for assembly as a result, by above-mentioned design, the assembly space of field frame assembly 21 can also be saved, and then
The overall volume of washing pump 100 can be reduced.Optionally, seal stator part 212 can be plastic article.
As shown in figure 5, in the specific example of the present invention, washing pump 100 further includes wire connection terminal 13, wire connection terminal
13 can be fixed on the second part 12 of pump case 1.The stator core 211 of BLDC motors 2 be 9 tooth, 6 pole structure, seal stator part
The teeth portion of 212 pairs of stator cores 211 carries out insulation plastic packaging, and the teeth portion of stator core 211 is equipped with three-phase windings, three-phase windings from
It is drawn in second part 12 and is respectively inserted in being correspondingly connected on position of wire connection terminal 13.It, can be with by setting wire connection terminal 13
The line arrangement for making washing pump 100 is more convenient, so as to save assembly space.Further, wire connection terminal 13 can incite somebody to action
Terminal is guided to outside pump case 1, so as to prevent water from splashing on terminal, so as to promote washing pump 100
Safety in utilization.
As shown in figures 1 and 3, in some optional embodiments of the present invention, washing pump 100 can include mounting bracket
14, one end of mounting bracket 14 is fixedly linked with the second part 12 of pump case 1, washing pump 100 can by mounting bracket 14 with
Dish-washing machine is assembled together.Optionally, yielding rubber 141 can be cased in mounting bracket 14 outside, it is possible thereby to play well
Shock absorbing effect can prevent the vibration that washing pump 100 generates to be transferred to dish-washing machine, and then can promote the operation of dish-washing machine
Stationarity.
Dish-washing machine according to embodiments of the present invention, including washing pump 100 according to the above embodiment of the present invention.
Optionally, dish-washing machine can be cabinet type dish washing machine, or table dish-washer can also wash the dishes for drawer type
Machine.Wherein, when dish-washing machine is drawer dishwasher, dish-washing machine can set individual layer drawer, can also be arranged to double-drawer,
One washing pump 100 can be installed in every layer of drawer, it is possible thereby to promote the using flexible of dish-washing machine, it can be ensured that wash
The cleaning efficiency of bowl machine.
Dish-washing machine according to embodiments of the present invention by setting above-mentioned washing pump 100, is equipped with BLDC electricity in washing pump 100
Machine 2, can make under the premise of the working efficiency for not influencing washing pump 100 overall structure of washing pump 100 it is compacter, save
Installation space, so as to promote the practical performance of dish-washing machine.Rotor seal part 223 is equipped in washing pump 100, rotor can be made
The fit structure of assembly 22 and motor shaft 23 is compacter, not only can be convenient for assembly, can also reduce the occupancy of washing pump 100
Installation space, so as to reduce the overall volume of dish-washing machine.
Below with reference to Fig. 1-Fig. 7 detailed descriptions according to the washing pump 100 of the specific embodiment of the invention, which can
To be used in dish-washing machine.It is worth understanding, the concrete restriction being only exemplary rather than to the present invention is described below.
As shown in figures 1 and 3, washing pump 100 according to embodiments of the present invention, including：Pump case 1, BLDC motors 2 and impeller
3。
As shown in Figure 3 and Figure 6, pump case 1 includes first part 11 and second part 12, and first part 11 is located at second part
12 right end.As shown in Fig. 1-Fig. 2, Fig. 4, first part 11 is equipped with water supply connector 113 and water outlet connector 114, water supply connector
113 are connected for hollow and one end with first part 11, and the other end of water supply connector 113 opens wide setting to limit water inlet
111.Water outlet connector 114 is connected for hollow and one end with second part 12, the other end of water outlet connector 114 open wide set with
Water outlet 112 is limited, the flowing water space 15 connected with water inlet 111 and water outlet 112 is equipped in pump case 1.Wherein, first
11, water supply connector 113 and water outlet connector 114 is divided to be integrated moulding.As shown in figure 3, second part 12 is equipped with mounting bracket
14, washing pump 100 is assembled together by mounting bracket 14 with dish-washing machine, outer in mounting bracket 14 to be cased with yielding rubber 141.
As shown in Figure 3 and Figure 6, BLDC motors 2 include field frame assembly 21, rotor assembly 22, motor shaft 23 and rotor seal
Part 223, impeller 3 can be sleeved on motor shaft 23 and outside in flowing water spaces 15.Field frame assembly 21 includes stator core 211, twines
The stator winding being wound on stator core 211 and the seal stator part 212 being wrapped on the outside of stator winding, seal stator part 212
Moulding by casting after the stator core 211 for being wound with stator winding is placed on injection mold is formed in obtain.Wherein, stator iron
Core 211 is 9 tooth, 6 pole structure, and seal stator part 212 carries out insulation plastic packaging to the teeth portion of stator core 211, stator core 211
Teeth portion is equipped with three-phase windings, and what three-phase windings drew from second part 12 and were respectively inserted in wire connection terminal 13 is correspondingly connected with position
It puts.
As shown in fig. 7, rotor assembly 22 includes rotor magnet 222 and rotor core 221, motor shaft 23 is threaded through rotor iron
On core 221, covered on rotor magnet 222 and rotor core 221 outside rotor seal part 223, rotor seal part 223 is configured to
Moulding by casting obtains after the rotor assembly 22 being sleeved on outside on motor shaft 23 is placed on injection mold.Wherein, motor shaft 23 is not
Become rusty steel materials and parts.The left end of rotor assembly 22 is equipped with clutch shaft bearing component 5, and the right end of rotor assembly 22 is equipped with second bearing component
6, clutch shaft bearing component 5 and second bearing component 6 are threaded through on motor shaft 23.The right side of rotor seal part 223 is equipped with positioning
Groove 223a, rubber pad 9 are mounted on by the way of interference fit in positioning groove 223a.Rubber pad 9 is equipped with fitting groove, pottery
Porcelain friction plate 8 is embedded in fitting groove, and sliding pair is formed between ceramic friction plate 8 and second bearing component 6.
As shown in Figure 3 and Figure 6, shielding case 4 is clamped between first part 11 and field frame assembly 21, and shielding case 4 is by stator
Assembly 21 and rotor assembly 22 are spaced apart, and shielding case 4 can prevent the water in flowing water space 15 from entering in field frame assembly 21, can
To play a dual role of water segregation and be electrically isolated.It is outer on motor shaft 23 to be cased with the support of bearing 7, shielding case 4 and clutch shaft bearing group
The first flexible buffering piece 51 is equipped between part 5, the second flexible buffering piece 61 is equipped between the support of bearing 7 and second bearing component 6.
Wherein, the support of bearing 7 is clamped between shielding case 4 and second part 12, and the support of bearing 7 is equipped with multiple flowing water being spaced apart
Hole, each discharge orifice in the lateral direction through the support of bearing 7, impeller 3 can guide water in water storage cup by discharge orifice into
Enter into flowing water space 15.
Specifically, as shown in fig. 6, when washing pump 100 is assembled, first part 11, shielding case 4, turns impeller 3
Sub- assembly 22, field frame assembly 21 and second part 12 are sequentially distributed on the direction turned left from the right side.Wherein, first part 11 and screen
The right end for covering cover 4 defines the installation space of impeller 3 by being clasped, and the left end of shielding case 4 sets that there are four in its circumferential direction
On the positioning pin 41 that is spaced apart, set there are four spaced pin hole 213 on field frame assembly 21, each positioning pin 41 is inserted into
In corresponding pin hole 213, thus field frame assembly 21 and shielding case 4 are linked together.What second part 12 was connected by screw
Mode links together with field frame assembly 21, thus completes the assembling of washing pump 100.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment of the present invention or example.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can in an appropriate manner combine in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of washing pump for dish-washing machine, which is characterized in that including：
Pump case, the pump case are equipped with inlet and outlet, are equipped with and the water inlet and the water outlet in the pump case
The flowing water space of connection；
BLDC motors, the BLDC motors are located on the pump case, and the BLDC motors include field frame assembly, rotor assembly, electricity
Arbor and rotor seal part, the field frame assembly include stator core and the stator winding being wrapped on the stator core, institute
It states and is sleeved on the motor shaft outside rotor assembly, the rotor seal part wraps up the rotor assembly, the rotor seal part quilt
The moulding by casting after the rotor assembly being sleeved on outside on the motor shaft is placed on injection mold is configured to obtain；
Impeller, the impeller outer are sleeved on the motor shaft and in the flowing water spaces.
2. the washing pump according to claim 1 for dish-washing machine, which is characterized in that further include shielding case, the shielding
It is located on the pump case and limits the flowing water space with pump case cooperation, be enclosed with the described of the rotor seal part
Rotor assembly is located in the flowing water space, and the field frame assembly is located at the outside in the flowing water space.
3. the washing pump according to claim 2 for dish-washing machine, which is characterized in that the pump case include first part and
Second part, the first part are equipped with the water inlet and the water outlet, the field frame assembly and shielding case folder
It holds between the first part and the second part.
4. the washing pump according to claim 3 for dish-washing machine, which is characterized in that the shielding case is clamped in described
Between a part of and described field frame assembly.
5. the washing pump according to claim 2 for dish-washing machine, which is characterized in that the motor shaft, which is equipped with, is located at institute
State the bearing assembly of field frame assembly both sides.
6. the washing pump according to claim 5 for dish-washing machine, which is characterized in that the periphery of each bearing assembly
Wall is equipped with flexible buffering piece, and the motor outer shaft sleeve has the support of bearing, and the support of bearing is located in the pump case and/or institute
State on shielding case, one of them described flexible buffering piece is contacted with the shielding case, another described flexible buffering piece with it is described
The support of bearing contacts.
7. the washing pump according to claim 5 for dish-washing machine, which is characterized in that outer on the motor shaft to be cased with ceramics
Friction plate, the ceramic friction plate are located on the rotor seal part, the ceramic friction plate and one of them described bearing
Component slippage contacts.
8. the washing pump according to claim 7 for dish-washing machine, which is characterized in that the rotor seal part is equipped with fixed
Position groove, the positioning groove is interior to be equipped with rubber pad, and the ceramic friction plate is embedded in the rubber pad.
9. the washing pump according to claim 1 for dish-washing machine, which is characterized in that the field frame assembly further includes package
Seal stator part on the outside of the stator winding, the seal stator part are formed in the institute that will be wound with the stator winding
Moulding by casting after stator core is placed on injection mold is stated to obtain.
10. a kind of dish-washing machine, which is characterized in that including the washing pump according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810090579.3A CN108223393A (en) | 2018-01-30 | 2018-01-30 | For the washing pump of dish-washing machine and with its dish-washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810090579.3A CN108223393A (en) | 2018-01-30 | 2018-01-30 | For the washing pump of dish-washing machine and with its dish-washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108223393A true CN108223393A (en) | 2018-06-29 |
Family
ID=62669793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810090579.3A Pending CN108223393A (en) | 2018-01-30 | 2018-01-30 | For the washing pump of dish-washing machine and with its dish-washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108223393A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3926172A1 (en) * | 2020-06-17 | 2021-12-22 | BSH Hausgeräte GmbH | Motor, pump, and washing device |
| CN115378182A (en) * | 2022-10-21 | 2022-11-22 | 江苏三江电器集团股份有限公司 | Motor for dish washer |
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| CN102182694A (en) * | 2011-04-30 | 2011-09-14 | 陈斌 | Circulating pump |
| CN105048658A (en) * | 2015-06-29 | 2015-11-11 | 佛山市威灵洗涤电机制造有限公司 | Motor, washing pump, dish washer and method for manufacturing motor |
| CN206144804U (en) * | 2016-10-17 | 2017-05-03 | 杭州天马时控科技股份有限公司 | Water pump structure that direct current is brushless |
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| CN201372933Y (en) * | 2009-02-20 | 2009-12-30 | 广东威灵电机制造有限公司 | Direct current brushless circulating water pump |
| CN201478972U (en) * | 2009-04-20 | 2010-05-19 | 深圳市拓邦电子科技股份有限公司 | Motor special for dish washer and water pump assembly using same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3926172A1 (en) * | 2020-06-17 | 2021-12-22 | BSH Hausgeräte GmbH | Motor, pump, and washing device |
| CN115378182A (en) * | 2022-10-21 | 2022-11-22 | 江苏三江电器集团股份有限公司 | Motor for dish washer |
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