CN203730341U - Permanent magnet synchronous draining pump for clothes-washing machine and dish-washing machine - Google Patents
Permanent magnet synchronous draining pump for clothes-washing machine and dish-washing machine Download PDFInfo
- Publication number
- CN203730341U CN203730341U CN201320865502.1U CN201320865502U CN203730341U CN 203730341 U CN203730341 U CN 203730341U CN 201320865502 U CN201320865502 U CN 201320865502U CN 203730341 U CN203730341 U CN 203730341U
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- CN
- China
- Prior art keywords
- impeller
- washing machine
- permanent magnet
- magnet synchronous
- pump
- 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.)
- Expired - Lifetime
Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 18
- 238000005406 washing Methods 0.000 title claims abstract description 18
- 238000004851 dishwashing Methods 0.000 title abstract 2
- 238000007789 sealing Methods 0.000 claims description 14
- 210000004907 gland Anatomy 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 235000010585 Ammi visnaga Nutrition 0.000 description 1
- 244000153158 Ammi visnaga Species 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a permanent magnet synchronous draining pump for a clothes-washing machine and a dish-washing machine. The draining pump comprises a pump body and an impeller, wherein a stator core and a coil are arranged on the pump body, a permanent rotor is arranged in the pump body, the impeller is connected with a rotor shaft of the permanent rotor, blades are arranged on the impeller, a disc is arranged on the impeller and is located between the blades and the pump body, and the width of the gap between the disc and the pump body is 0.5 mm - 1.5 mm. Due to the fact that the impeller provided with the disc is adopted and a proper gap exists between the disc of the impeller and the pump body, a large amount of foreign matter can be blocked and prevented from entering the draining pump along with water to make the impeller of the draining pump blocked.
Description
Technical field
The utility model relates to water pump, particularly a kind of washing machine, use in dishwasher permanent magnet synchronous drainage pump.
Background technique
Mandate publication number is CN203009353U, notice of authorization day is on June 19th, 2013, denomination of invention is " alternating current permanent magnet synchronous water discharge pump motor, its impeller starting mechanism and draining pump " Chinese utility model patent a kind of impeller starting mechanism of alternating current permanent magnet synchronous water discharge pump motor is disclosed, comprise axle sleeve, the outer side wall of axle sleeve protrudes one and starts muscle, the receiving cavity madial wall of impeller protrudes a limit rib, start muscle and limit rib and interfere two groups of interference surfaces of formation, in each group interference surface, be installed on a damping elastomer, described damping elastomer has towards starting the first cambered surface of muscle and the second cambered surface towards limit rib, described startup muscle or limit rib have respectively the globoidal structure with the first cambered surface or the second cambered surface with same curvature radius and centre of curvature.This impeller starting mechanism has good cushioning effect, can reduce and even eliminate the noise producing when impeller starts, and makes machine operation quieter.
But above-mentioned disclosed mechanism can not stop the foreign matter in waste water to enter draining pump.In the using process of washing machine, dishwasher, have the foreign matters such as cloth bits, toothpick, sand, swill, in the time that washing finishes draining, these foreign matters enter draining pump with current, drain pump impeller is blocked, or enter between rotor shaft and bearing, cause the moving element such as rotor shaft or bearing Fast Wearing, produce noise and even lost efficacy, reduce the working life of draining pump.
Model utility content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of washing machine, use in dishwasher permanent magnet synchronous drainage pump, effectively stops that the foreign matter in sewage enters draining pump, reduces noise, extends the working life of draining pump.
The utility model solves the technological scheme that its technical problem adopts:
A kind of washing machine, use in dishwasher permanent magnet synchronous drainage pump, comprise the pump housing, impeller, on the described pump housing, be provided with stator iron core, coil, in the pump housing, be provided with p-m rotor, impeller connects the rotor shaft of p-m rotor, is provided with fan blade on impeller, on described impeller, is provided with disk, disk is between fan blade and the pump housing, and the gap between described disk and the pump housing is 0.5 ~ 1.5mm.
As a kind of mode of execution of draining pump of the present utility model, the described pump housing is extended with the bulge loop of wound impeller to impeller direction, and the internal diameter of described bulge loop is greater than the external diameter of disk, and the gap between described disk and bulge loop inwall is 0.5 ~ 1.5mm.
Further, the upper surface of described disk is concordant with the bulge loop upper surface of the pump housing.
As the another kind of mode of execution of draining pump of the present utility model, on the described pump housing, be provided with gland, described gland is provided with the annular projection of wound impeller, and making the gap between gland and disk is 0.5 ~ 1.5mm, and the upper surface of the annular projection of gland is concordant with disk upper surface.
As the further improvement of technique scheme, the rotor shaft front end and back end of described p-m rotor is respectively arranged with fore bearing and rear bearing, ensures that p-m rotor rotates smooth and easy.
Further, be provided with plastic bearing lid between described fore bearing and impeller, the p-m rotor, fore bearing and the rear bearing that arrange pump body of plastic bearing lid are protected.
Further, between described fore bearing and plastic bearing lid, be provided with shaft seal, prevent that foreign matter from entering between rotor shaft and bearing from rotor shaft periphery with current.On described shaft seal, be provided with sealing lips more than twice, described sealing lip is close to rotor shaft setting, and along the axially-aligned of rotor shaft, sealing lips more than twice is than the better effects if of one sealing lip sealing, more effectively prevent that foreign matter from entering between rotor shaft and bearing.
The beneficial effects of the utility model are:
The utility model uses the impeller with disk, between impeller disk and the pump housing, be provided with suitable gap, can block a large amount of foreign matters, prevent that foreign matter from entering after draining pump with current, drain pump impeller is blocked, and this gap is also blocked larger foreign matter and is reached shaft bearing place.
In addition, between fore bearing and plastic bearing lid, be provided with shaft seal, shaft seal has the above sealing lip of twice, can prevent that foreign matter from entering between rotor shaft and bearing, reduce and even eliminate because foreign matter enters the noise causing between rotor shaft and bearing, and reduce wear, increase the working life of moving element, extend the draining pump object in working life thereby reach.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the first embodiment's of the present utility model explosive view;
Fig. 2 is the first embodiment's of the present utility model partial sectional view;
Fig. 3 is the structural representation of the first embodiment's of the present utility model pump housing;
Fig. 4 is the structural representation of impeller.
Drawing reference numeral explanation: 1, the pump housing; 2, p-m rotor; 3, rotor shaft; 4, fore bearing; 5, shaft seal; 6, plastic bearing lid; 7, impeller; 8, rear bearing; 9, stator iron core; 10, coil; 11, bulge loop; 71, fan blade; 72, disk.
Embodiment
Embodiment one:
Fig. 1 is to Figure 3 shows that the first embodiment of the present utility model, referring to figs. 1 through Fig. 3, the disclosed a kind of washing machine of the utility model, use in dishwasher permanent magnet synchronous drainage pump, comprise the pump housing 1, impeller 7, in the described pump housing 1, be provided with p-m rotor 2, rotor shaft 3 front end and back end of p-m rotor 2 are respectively arranged with fore bearing 4 and rear bearing 8, and the pump housing 1 is outside equipped with stator iron core 9 and coil 10.Impeller 7 connects the rotor shaft 3 of p-m rotor 2, as shown in Figure 4, is provided with fan blade 71 on impeller 7, and fan blade 71 belows are provided with disk 72, makes disk 72 between fan blade 71 and the pump housing 1.The described pump housing 1 is extended with the bulge loop 11 of wound impeller 7 to impeller 7 directions, the upper surface of bulge loop 11 is concordant with the upper surface of disk 72, the internal diameter φ 1 of described bulge loop 11 is greater than the external diameter φ 2 of disk 72, gap X between described disk 72 and bulge loop 11 inwalls is 0.5 ~ 1.5mm, it is smooth and easy that gap X in this width range had both ensured that impeller 7 rotated, can block again a large amount of foreign matters, stop foreign matter to enter the pump housing 1.
Further, between fore bearing 4 and impeller 7, be provided with plastic bearing lid 6.After further stoping less foreign matter by gap X, enter between rotor shaft 3 and fore bearing 4, between fore bearing 4 and plastic bearing lid 6, be provided with shaft seal 5, on shaft seal 5, be provided with sealing lips more than twice, preferably, the shaft seal 5 of the present embodiment is provided with two seals lip, sealing lip is close to rotor shaft 3 and is arranged, and along the axially-aligned of rotor shaft 3, sealing lips more than twice is than the better effects if of one sealing lip sealing, more effectively prevents that foreign matter from entering between rotor shaft and bearing.
Embodiment two:
The second embodiment that the utility model provides, itself and the first embodiment's difference is that on the pump housing, being provided with gland replaces bulge loop, described gland is provided with the annular projection of wound impeller, making the gap between gland and disk is 0.5 ~ 1.5mm, and the upper surface of the annular projection of gland is concordant with disk upper surface.Except the structure of the pump housing, other structures in the present embodiment are identical with the first embodiment.
The utility model uses the impeller 7 with disk 72, is provided with suitable gap X between disk 72 and the pump housing 1, can block a large amount of foreign matters, stops foreign matter to enter draining pump with current, and drain pump impeller is blocked.Simultaneously, between fore bearing 4 and plastic bearing lid 6, be provided with shaft seal 5, shaft seal 5 has the above sealing lip of twice, can prevent that foreign matter from entering between rotor shaft 3 and fore bearing 4, reduce and even eliminate because foreign matter enters the noise causing between rotor shaft 3 and bearing, and reduce wear, increase the working life of moving element, extend the draining pump object in working life thereby reach.
The foregoing is only preferential mode of execution of the present utility model, as long as within the technological scheme that realizes the utility model object with basic identical means all belongs to protection domain of the present utility model.
Claims (9)
1. a washing machine, use in dishwasher permanent magnet synchronous drainage pump, comprise the pump housing, impeller, on the described pump housing, be provided with stator iron core, coil, in the pump housing, be provided with p-m rotor, impeller connects the rotor shaft of p-m rotor, is provided with fan blade on impeller, it is characterized in that: on described impeller, be provided with disk, disk is between fan blade and the pump housing, and the gap between described disk and the pump housing is 0.5 ~ 1.5mm.
2. a kind of washing machine according to claim 1, use in dishwasher permanent magnet synchronous drainage pump, it is characterized in that: the described pump housing is extended with the bulge loop of wound impeller to impeller direction, the internal diameter of described bulge loop is greater than the external diameter of disk, and the gap between described disk and bulge loop inwall is 0.5 ~ 1.5mm.
3. a kind of washing machine according to claim 2, use in dishwasher permanent magnet synchronous drainage pump, is characterized in that: the upper surface of described disk is concordant with the bulge loop upper surface of the pump housing.
4. a kind of washing machine according to claim 1, use in dishwasher permanent magnet synchronous drainage pump, is characterized in that: on the described pump housing, be provided with gland, described gland is provided with the annular projection of wound impeller, and making the gap between gland and disk is 0.5 ~ 1.5mm.
5. a kind of washing machine according to claim 4, use in dishwasher permanent magnet synchronous drainage pump, is characterized in that: the upper surface of the annular projection of described gland is concordant with disk upper surface.
6. a kind of washing machine according to claim 1, use in dishwasher permanent magnet synchronous drainage pump, is characterized in that: the rotor shaft front end and back end of described p-m rotor is respectively arranged with fore bearing and rear bearing.
7. a kind of washing machine according to claim 6, use in dishwasher permanent magnet synchronous drainage pump, is characterized in that: between described fore bearing and impeller, be provided with plastic bearing lid.
8. a kind of washing machine according to claim 7, use in dishwasher permanent magnet synchronous drainage pump, is characterized in that: between described fore bearing and plastic bearing lid, be provided with shaft seal.
9. a kind of washing machine according to claim 8, use in dishwasher permanent magnet synchronous drainage pump, is characterized in that: on described shaft seal, be provided with sealing lips more than twice, described sealing lip is close to rotor shaft setting, and along the axially-aligned of rotor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865502.1U CN203730341U (en) | 2013-12-24 | 2013-12-24 | Permanent magnet synchronous draining pump for clothes-washing machine and dish-washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865502.1U CN203730341U (en) | 2013-12-24 | 2013-12-24 | Permanent magnet synchronous draining pump for clothes-washing machine and dish-washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730341U true CN203730341U (en) | 2014-07-23 |
Family
ID=51200419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320865502.1U Expired - Lifetime CN203730341U (en) | 2013-12-24 | 2013-12-24 | Permanent magnet synchronous draining pump for clothes-washing machine and dish-washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730341U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10463223B2 (en) | 2016-10-30 | 2019-11-05 | Whirlpool Corporation | Wet pump with fluid flow path for excluding particulates |
| WO2019212143A1 (en) * | 2018-04-30 | 2019-11-07 | New Motech Co., Ltd. | Drain pump for washing machine |
-
2013
- 2013-12-24 CN CN201320865502.1U patent/CN203730341U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10463223B2 (en) | 2016-10-30 | 2019-11-05 | Whirlpool Corporation | Wet pump with fluid flow path for excluding particulates |
| WO2019212143A1 (en) * | 2018-04-30 | 2019-11-07 | New Motech Co., Ltd. | Drain pump for washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 529040 No. 336 Qing Lan Road, hi tech Development Zone, Guangdong, Jiangmen Patentee after: HANYU GROUP Co.,Ltd. Address before: 529040 No. 336 Qing Lan Road, hi tech Development Zone, Guangdong, Jiangmen Patentee before: JANGMEN IDEAR HANYU ELECTRICAL JOINT-STOCK Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
|
| CX01 | Expiry of patent term |