CN104279167B - Motor pump and washing electric appliance with motor pump - Google Patents
Motor pump and washing electric appliance with motor pump Download PDFInfo
- Publication number
- CN104279167B CN104279167B CN201410572775.6A CN201410572775A CN104279167B CN 104279167 B CN104279167 B CN 104279167B CN 201410572775 A CN201410572775 A CN 201410572775A CN 104279167 B CN104279167 B CN 104279167B
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- China
- Prior art keywords
- pump
- motor
- split
- motor pump
- flow baffles
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Classifications
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- 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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention is applicable to the technical field of pump body structures and discloses a motor pump and a washing electric appliance with the motor pump. The motor pump comprises a pump case, wherein the pump case comprises a water inlet, a first water outlet and a second water outlet; a motor and an impeller which can forwards and reversely rotate are arranged in the pump case; a shunt baffle which can be driven to forwards and reversely rotate by water flow and is selectively baffled between the first water outlet and the second water outlet is arranged in the pump case; and a sliding slot for mounting the shunt baffle is formed in the pump case. The washing electric appliance comprises the motor pump. According to the motor pump and the washing electric appliance with the motor pump, provided by the invention, the water flow can impact the shunt baffle to different clamping positions by the motor pump due to the forward and reverse rotation of the motor, the water flow can be further controlled to be discharged from the second water outlet or the first water outlet, the functions of a washing pump and a dewatering pump are further realized, a water inlet pump and a water outlet pump are not required to be respectively arranged, and the motor pump and the washing electric appliance with the motor pump, provided by the invention, have the advantages of simple and reliable structure, low cost and the like.
Description
Technical field
The invention belongs to pump body structure technical field, more particularly to a kind of electric-motor pump and the electricity of the washing with the electric-motor pump
Device.
Background technology
In the flow promoter system of conventional dishwashing machine, washings are pressurizeed using washing pump (electric-motor pump) during washing, draining
Shi Ze is discharged sewage in internal cavity of bowl washer, therefore whole dish-washing machine flow promoter system using draining pump and contains two electric-motor pumps,
Its complex structure, high cost.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of electric-motor pump and have the electric-motor pump
Washing electrical equipment, which passes through an electric-motor pump and just can replace two electric-motor pumps of the prior art, simple structure, application cost
It is low.
The technical scheme is that：A kind of electric-motor pump, including pump case, the pump case has water inlet, the first delivery port
With the second delivery port, the impeller of the motor that can be rotated and reverse and the rotating shaft for being connected to the motor in the pump case, is provided with,
It is provided with to be driven by current in the pump case and rotates and reverse and selective block is in first delivery port and the second water outlet
The split-flow baffles of mouth, the sliding groove position being provided with for laying the split-flow baffles of the pump case.
Alternatively, the cavity shape of the pump case is rounded, and the sliding groove position is curved, and the sliding groove position and institute
State the inner chamber of pump case with one heart, the curved sheet of the split-flow baffles, and the split-flow baffles are concentric with the inner chamber of the pump case.
Alternatively, the split-flow baffles are concentric with the sliding groove position, and the diameter on the outside of the split-flow baffles with it is described
The equal diameters of sliding groove position diapire.
Alternatively, gliding movement targeting structure is set between the side of the split-flow baffles and the sliding groove position.
Alternatively, the gliding movement targeting structure includes being arranged at the gathering sill of the sliding groove position and is convexly equipped in the shunting
The guided way of bulkhead sides wall, circumferential directions of the guided way along the split-flow baffles.
Alternatively, the equal semicircular in shape in section of the gathering sill, guided way.
Alternatively, the gathering sill, guided way are provided with least two and between the upper and lower every arranged.
Alternatively, the two ends of the split-flow baffles are provided with sail portion.
Alternatively, the pump case includes upper casing and lower casing, and the upper casing is arranged with the lower casing pairing, the sliding groove position
The upper casing end face opposite with the lower casing is divided into, or, the sliding groove position is separately set in the upper casing or described
Lower casing.
Present invention also offers a kind of wash electrical equipment, the washing electrical equipment has above-mentioned electric-motor pump.
Electric-motor pump provided by the present invention and the washing electrical equipment with the electric-motor pump, rotating of its electric-motor pump by motor
Water impact split-flow baffles can be made to different screens, to block the first delivery port or the second delivery port, and then current are controlled
Can discharge from the second delivery port or the first delivery port, and then realize the function of washing pump and draining pump, need not be respectively provided with into
Water pump and draining pump, with simple and reliable for structure, low cost and other advantages.
Description of the drawings
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below by to be used needed for embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, can be attached to obtain others according to these accompanying drawings
Figure.
Fig. 1 is the schematic perspective view of electric-motor pump provided in an embodiment of the present invention；
Fig. 2 is the longitudinal cross-section cut-away view of electric-motor pump provided in an embodiment of the present invention；
Fig. 3 is the lateral cross section cut-away view of electric-motor pump provided in an embodiment of the present invention；
Fig. 4 is the lateral cross section cut-away view of electric-motor pump provided in an embodiment of the present invention；
Fig. 5 is the schematic perspective view of split-flow baffles in electric-motor pump provided in an embodiment of the present invention；
Fig. 6 is the perspective cross section schematic diagram of split-flow baffles in electric-motor pump provided in an embodiment of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can
To be directly to another element or may be simultaneously present centering elements.
Also, it should be noted that the orientation term such as left and right, upper and lower in the present embodiment, be only each other relative concept or
Normal operating condition with product is reference, and be should not be regarded as restrictive.
As shown in Fig. 1～Fig. 6, a kind of electric-motor pump 100 provided in an embodiment of the present invention, including pump case 110, pump case 110 has
There are water inlet 103, the first delivery port 101 and the second delivery port 102.Water inlet 103 may be disposed at the top of pump case 110, and first
Delivery port 101 and the second delivery port 102 may be disposed at the side wall of pump case 110, and the first delivery port 101 and the second delivery port 102
Can arranged adjacent.The impeller of the motor 120 that can be rotated and reverse and the rotating shaft 121 for being connected to motor 120 is provided with pump case 110
130, motor 120 can be brshless DC motor etc..It is provided with to be driven by current in pump case 110 and rotates and reverse and selective envelope
The split-flow baffles 140 of the first delivery port 101 and the second delivery port 102 are blocked in, in pump case 110, the first screens 104, second is provided with
Screens 105, i.e., when flow of water reverses, split-flow baffles 140 are rotated forward under the flow action for rotating forward, until split-flow baffles 140
The first screens 104 is resisted against, and then blocks the first delivery port 101, now the second delivery port 102 keeps unimpeded；And just work as current
When turning, split-flow baffles 140 are rotated forward under the flow action of reversion, and split-flow baffles 140 go out from the first delivery port 101 to second
The direction at the mouth of a river 102 is slided, until split-flow baffles 140 are resisted against the second screens 105, and then blocks the second delivery port 102, now
First delivery port 101 keeps unimpeded, and the first delivery port 101, the second delivery port 102 can not keep unimpeded simultaneously, can not be simultaneously
Closure is kept by split-flow baffles 140, in the presence of split-flow baffles 140, the first delivery port 101, the second delivery port 102 can be alternately
Conducting.The sliding groove position 106 being provided with for laying split-flow baffles 140 of pump case 110, the outer Slideslip patch of split-flow baffles 140
Located at sliding groove position 106, split-flow baffles 140 are allow reliably to slide.So, motor 120 by rotating forward, can be driven reverse water
Stream is rotated forward, reversion, split-flow baffles 140 can be driven to rotate forward, invert by the rotating forward of current, reversion, and then can control first
The mouth of a river 101, the break-make of the second delivery port 102, can be applicable on the washing electrical equipment such as dish-washing machine, and during washing, motor 120 is inverted, in water
Under the impact of stream, split-flow baffles 140 are flushed to the first screens 104, and the first delivery port 101 is blocked, and current are from the second delivery port
102 (washing pump discharges) flow out, and use as washing motor pump；During draining, motor 120 is rotated forward, and current are positive therewith to be turned
Dynamic, under the impact of current, split-flow baffles 140 are flushed to the second screens 105, and the second delivery port 102 (washing pumping hole) is blocked,
Current are flowed out from the first delivery port 101 (draining pumping hole), and washing pump is changed into draining pump；So that the motor provided by the present embodiment
Pump 100 has the two-in-one function of washing and draining, replaces two motors of the prior art using a motor, with knot
Structure is simple and reliable, low cost and other advantages.
Specifically, as shown in Fig. 1～Fig. 6, the cavity shape of pump case 110 can be rounded, and sliding groove position 106 can curved groove
Shape, the first delivery port 101 and the second delivery port 102 can be divided into the two ends of sliding groove position 106.And sliding groove position 106 and pump case
110 inner chamber with one heart, split-flow baffles 140 can curved sheet, and split-flow baffles 140 are concentric with the inner chamber of pump case 110, shunting every
Plate 140 swimmingly can slide.
Specifically, as shown in Fig. 1～Fig. 6, split-flow baffles 140 are concentric with sliding groove position 106, and on the outside of split-flow baffles 140
Diameter and 106 diapire of sliding groove position equal diameters, the plugging effect of split-flow baffles 140 is good.
Specifically, as shown in Fig. 1～Fig. 6, slip can be set between the side and sliding groove position 106 of split-flow baffles 140
Guide frame, to improve the friction between reliability and reduction split-flow baffles 140 and pump case 110.
Specifically, as shown in Fig. 1～Fig. 6, gliding movement targeting structure includes gathering sill and the projection for being arranged at sliding groove position 106
In the guided way 141 of 140 side of split-flow baffles, circumferential directions of the guided way 141 along split-flow baffles 140, split-flow baffles 140
Can smoothly slide under flow action, when water (flow) direction changes, split-flow baffles 140 can switching position in time.Guided way 141
At least two can be provided with and be divided into inside and outside split-flow baffles 140.Certainly, guided way 141 can also be only arranged at shunting
The outside of dividing plate 140.Guided way 141 also has the effect strengthened, and split-flow baffles 140 can be avoided to deform.
Specifically, gathering sill, guided way 141 section can the suitable shape such as semicircular in shape, such that it is able to effectively reduce
Frictional resistance during commutation.
Specifically, as shown in Fig. 1～Fig. 6, gathering sill, guided way 141 are provided with least two and are spaced cloth up and down
Put, certainly, gathering sill, guided way 141 may also set up one, in the present embodiment, and guided way 141 is provided with four, wherein two
Bar guided way 141 is divided on the outside of split-flow baffles 140 and between the upper and lower away from arrangement, and another two guided ways 141 are divided into split-flow baffles
On the inside of 140 and between the upper and lower away from arrangement.
Specifically, as shown in Fig. 1～Fig. 6, the one or both ends of split-flow baffles 140 are provided with sail portion radially
142, when flow direction changes, split-flow baffles 140 can be made to switch in time by impact sail portion 142 and be plugged in corresponding delivery port
Place.First screens 104, the second screens 105 are depressed structure, and sail portion 142 can be to the first screens 104, the side of the second screens 105
To extension, to reduce resistance to water-flow, beneficial to the performance for ensureing electric-motor pump 100.Certainly, sail portion 142 may be alternatively located at split-flow baffles 140
The middle part of inner side, but so resistance to water-flow is bigger.
Specifically, as shown in FIG. 1 to 3, pump case 110 may include upper casing 111 and lower casing 112, upper casing 111 and lower casing 112
Pairing is arranged, and sliding groove position 106 is divided into upper casing 111 and the opposite end face of lower casing 112, or, sliding groove position 106 is separately provided
In upper casing 111 or lower casing 112, upper casing 111 can be molded by note or die casting with lower casing 112, and sliding groove position 106 can be located at parting
At face, side core-pulling mechanism need not be set, mould structure is simple, low cost, and then reduces the production cost of electric-motor pump 100.Tool
Body ground, can be provided with seal 113 between upper casing 111, lower casing 112, seal 113 can be O-ring seals.
Specifically, as shown in Fig. 2 impeller 130 is embedded is cased between the rotating shaft 121 of copper sheathing 131, copper sheathing 131 and motor 120
Fixed using threaded connection, its reliability is high.
The embodiment of the present invention additionally provides a kind of washing electrical equipment, and washing electrical equipment has above-mentioned electric-motor pump 100.Washing electrical equipment
Can be dish-washing machine etc..First delivery port 101 can be draining pumping hole, and the second delivery port 102 can be washing pump discharge, electric-motor pump 100
When operating as washing pump, 120 impeller of motor, 130 rotate counterclockwise, under the impact of current, split-flow baffles 140 are flushed to
Draining pumping hole screens (the first screens 104) place, so as to draining pumping hole (the first delivery port 101) is blocked, after now impeller 130 is
To impeller operation, high-velocity flow is dumped into spirality diffusion runner, Jing after deceleration diffusion from washing pump discharge (the second delivery port
102) discharge.
As shown in figure 4, when operating as draining pump, 120 impeller 130 of motor turns clockwise.In the impact of current
Lower split-flow baffles 140 are flushed to washing pumping hole screens (the second screens 105) place, so as to wash pump discharge (the second delivery port
102) block, now impeller 130 is front to impeller operation, and high-velocity flow is dumped into draining runner, from row after outlet section diffusion
Exit of pump (the first delivery port 101) is discharged.
As shown in Fig. 1～Fig. 6, there is on split-flow baffles 140 semicircular guided way 141, semicircular guided way 141 with
For being linear contact lay between linear contact lay, i.e. split-flow baffles 140 and pump case 110 between the sliding groove position 106 of pump case 110, so as to maximum
Frictional resistance is reduced in degree.Motor 120 can by rotate forward, be driven reverse current rotate forward, reversion, by the rotating forward of current,
Reversion can drive split-flow baffles 140 to rotate forward, invert, and then can control the first delivery port 101, the break-make of the second delivery port 102,
When dish-washing machine is washed, motor 120 turns counterclockwise, and under the impact of current, split-flow baffles 140 are flushed to the first screens 104, and first goes out
The mouth of a river 101 is blocked, and current are flowed out from the second delivery port 102 (washing pump discharge), are used as washing motor pump；Electricity during draining
Machine 120 is rotated clockwise, and under the impact of current, split-flow baffles 140 are flushed to the second screens 105, the 102 (washing of the second delivery port
Pumping hole) blocked, current are flowed out from the first delivery port 101 (draining pumping hole), and washing pump is changed into draining pump.
The electric-motor pump provided by the embodiment of the present invention and the washing electrical equipment with the electric-motor pump, its electric-motor pump 100 is by electricity
The rotating of machine 120 can make water impact split-flow baffles 140 to different screens, so as to realize the work(of washing pump and draining pump
Can, replace two motors of the prior art using a motor, with simple and reliable for structure, low cost and other advantages.
These are only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Any modification, equivalent or improvement for being made within principle etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of electric-motor pump, including pump case, it is characterised in that the pump case has water inlet, the first delivery port and the second water outlet
Mouthful, the impeller of the motor that can be rotated and reverse and the rotating shaft for being connected to the motor is provided with the pump case, in the pump case
Be provided with can be driven by current rotate and reverse and selective block in first delivery port and the second delivery port shunting every
Plate, the sliding groove position being provided with for laying the split-flow baffles of the pump case, the side of the split-flow baffles and the cunning
Gliding movement targeting structure is set between dynamic groove position, and the gliding movement targeting structure includes being arranged at the gathering sill of the sliding groove position and convex
Located at the guided way of split-flow baffles side wall.
2. electric-motor pump as claimed in claim 1, it is characterised in that the cavity shape of the pump case is rounded, the sliding groove
Position is curved, and the sliding groove position is concentric with the inner chamber of the pump case, the curved sheet of the split-flow baffles, and the shunting
Dividing plate is concentric with the inner chamber of the pump case.
3. electric-motor pump as claimed in claim 2, it is characterised in that the split-flow baffles are concentric with the sliding groove position, and institute
State the equal diameters of the diameter on the outside of split-flow baffles and sliding groove position diapire.
4. electric-motor pump as claimed in claim 1, it is characterised in that circumferencial direction cloth of the guided way along the split-flow baffles
Put.
5. electric-motor pump as claimed in claim 4, it is characterised in that the gathering sill, the equal semicircular in shape in section of guided way.
6. electric-motor pump as claimed in claim 4, it is characterised in that the gathering sill, guided way be provided with least two and on
Under be spaced arrangement.
7. the electric-motor pump as any one of claim 1 to 6, it is characterised in that the two ends of the split-flow baffles are provided with
Sail portion.
8. the electric-motor pump as any one of claim 1 to 6, it is characterised in that the pump case includes upper casing and lower casing, institute
State upper casing to arrange with the lower casing pairing, the sliding groove position is divided into the upper casing end face opposite with the lower casing, or,
The sliding groove position is separately set in the upper casing or the lower casing.
9. it is a kind of to wash electrical equipment, it is characterised in that the washing electrical device is just like the electricity any one of claim 1 to 8
Pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410572775.6A CN104279167B (en) | 2014-10-23 | 2014-10-23 | Motor pump and washing electric appliance with motor pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410572775.6A CN104279167B (en) | 2014-10-23 | 2014-10-23 | Motor pump and washing electric appliance with motor pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104279167A CN104279167A (en) | 2015-01-14 |
| CN104279167B true CN104279167B (en) | 2017-03-22 |
Family
ID=52254397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410572775.6A Active CN104279167B (en) | 2014-10-23 | 2014-10-23 | Motor pump and washing electric appliance with motor pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104279167B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747345B (en) * | 2015-02-13 | 2017-01-18 | 郑广生 | Pump turbine capable of rotating forwards and backwards |
| DE102015106639A1 (en) * | 2015-04-29 | 2016-11-03 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | pump |
| CN107816436A (en) * | 2016-09-14 | 2018-03-20 | 苏州三星电子有限公司 | Delivery pump and washing machine |
| CN107795517A (en) * | 2017-10-30 | 2018-03-13 | 明达实业(厦门)有限公司 | A kind of air pump with multi-channel structure |
| WO2020019613A1 (en) * | 2018-07-27 | 2020-01-30 | 广东威灵电机制造有限公司 | Water pump assembly and dish washer having same |
| CN109717811B (en) * | 2019-01-10 | 2021-02-02 | 佛山市顺德区美的洗涤电器制造有限公司 | Draining pump of washing equipment and washing equipment with draining pump |
| WO2021096140A1 (en) * | 2019-11-12 | 2021-05-20 | 엘지전자 주식회사 | Fluid channel switching pump |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62261693A (en) * | 1986-04-30 | 1987-11-13 | Maruko Keihouki Kk | Selective type delivery pump |
| JPH058427Y2 (en) * | 1987-03-16 | 1993-03-03 | ||
| CN1004572B (en) * | 1987-08-10 | 1989-06-21 | 青州水泵厂 | Centrifugal water pump capable of rotating in forward and reverse directions |
| JP4287322B2 (en) * | 2004-04-19 | 2009-07-01 | 朝日興業株式会社 | pump |
| CN1884839A (en) * | 2006-06-02 | 2006-12-27 | 上海达道能源科技有限公司 | Washing pump for front and rear windows of automobile |
| CN201318298Y (en) * | 2008-07-02 | 2009-09-30 | 广东威灵电机制造有限公司 | Electric pump |
| CN201258861Y (en) * | 2008-12-29 | 2009-06-17 | 陈云 | Bidirectional washing device water pump |
| CN102465886B (en) * | 2010-11-10 | 2016-06-29 | 德昌电机(深圳)有限公司 | Centrifugal pump and there are the household electrical appliance of this centrifugal pump |
| CN202007781U (en) * | 2011-03-21 | 2011-10-12 | 苏州金莱克汽车电机有限公司 | Dishwasher pump with fixing base |
| CN204099228U (en) * | 2014-10-23 | 2015-01-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Electric-motor pump and the washing electrical equipment with this electric-motor pump |
-
2014
- 2014-10-23 CN CN201410572775.6A patent/CN104279167B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104279167A (en) | 2015-01-14 |
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Effective date of registration: 20220809 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 528311 Beijiao Town Industrial Park, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING Co.,Ltd. |