CN204284022U - There is the micro-drainage pump of foreign material filter - Google Patents
There is the micro-drainage pump of foreign material filter Download PDFInfo
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- CN204284022U CN204284022U CN201420753609.1U CN201420753609U CN204284022U CN 204284022 U CN204284022 U CN 204284022U CN 201420753609 U CN201420753609 U CN 201420753609U CN 204284022 U CN204284022 U CN 204284022U
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- water inlet
- foreign material
- material filter
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- 239000000463 material Substances 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 abstract description 2
- 238000005406 washing Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241001061264 Astragalus Species 0.000 description 1
- 206010017000 Foreign body aspiration Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of micro-drainage pump with foreign material filter, include water pump shell, inner support, sealing gasket and capping, the water inlet of described inner support is provided with foreign material filter, described foreign material filter stops component by several and forms, described several stop component and are positioned on described water inlet inner circle wall, and along described water inlet inner circle wall distribution, between adjacent obstruction component, be formed with filter gap.Adopt such structure, reduce the space of water inlet; Foreign material filter is made up of several obstruction components simultaneously, ingress is unlikely to too to seal filtration, both effectively stopped large foreign matter to pass through, large foreign matter enters drain chamber can be wound around impeller, cause drain motor stall can not proper drainage, be conducive to again filter gap that little granular or short fibre foreign matter formed between adjacent obstruction component by water inlet, all foreign matters can not be deposited in water inlet.
Description
Technical field
The utility model belongs to household electric appliance accessory technical field, particularly relates to a kind of foreign material filter that has, is mainly used in the micro-drainage pump on the household electric appliance such as washing machine, dishwasher.
Background technique
Existing micro-drainage pump on the household electric appliance such as washing machine or dishwasher, it provides the cavity components of entery and delivery port to mainly contain water pump shell, inner support, sealing gasket, capping composition; Wherein, current enter filtering cavity through water pump shell water intake, then enter drain chamber through inner support water inlet, are rotated by rotor impeller, discharge through water outlet.
User is in the process using above-mentioned household electric appliance, often forget and the foreign material such as the coin in pocket, the scraps of paper are got totally, in addition clothes itself also can off-line head, but there is following defect in existing drainage means: these foreign material are washed in Water pumping installation along with current in drainage procedure, thus block drain pump impeller, cause Water pumping installation burn-down of electric motor, therefore there is very large potential safety hazard.
In Chinese patent literature CN201598476U, disclose a kind of anti-foreign-body aspiration formula use in washing machine Water pumping installation, its technological scheme adopted is: the water inlet of drainage pump of washing machine is provided with filter, described filter is working of plastics, and the water intake of filter and draining pump utilizes mould once-through.But because draining pump water intake bore is less, this filter is arranged on draining pump water intake, large foreign material are blocked in water intake, easy clogging water intake, arrange not water outlet, therefore need often the waste pipe be connected with draining pump to be pulled up come, take foreign matter away, and then also increase cleaning difficulty and the frequent degree of household electric appliance, be unfavorable for the raising of drainage efficiency.
In Chinese patent literature CN202543651U, also a kind of washing machine drainage pump strainer is disclosed, this washing machine drainage pump strainer comprises water outlet device and water container, the waterexit end of described water outlet device is provided with baffle plate, and osculum is provided with on baffle plate, match with the water receiving end of water container in the waterexit end of described osculum.The upper technological scheme of mentality of designing of this technological scheme has greatly improved, but with regard to the concrete technological scheme that it adopts or there is larger defect, although the larger foreign matter of a part of volume can be blocked by baffle plate, and the smaller foreign matter of volume directly can be discharged by osculum, long-pending larger foreign matter is effectively prevented to be blocked by impeller, and effectively prevent the comparatively large and small volume foreign matter of volume from all stopping, thus effectively placed filter and fill up foreign matter, and then effectively extend draining pump working life; But owing to being adopt osculum to arrange, the defect that himself structure is brought also is obvious, easily by foreign matters from being blocked, causes foreign matter and water not by baffle plate.
Again in Chinese patent literature CN203098393U, also be claimant's application formerly, what it adopted is filter element, concrete structure filter element comprises capping, seal ring, filter holder, from whole patent documentation, it mainly adopts the Filter column on filter holder to insert baffle center hole, with regard to obstruction foreign matter effect and drainage efficiency, still do not reach desirable effect, adopt baffle arrangement to greatly reduce the space of water inlet, drainage efficiency is low.
Not only therefore, existing necessity is improved prior art, is different from existing completely to obtaining one, stops foreign matter but also takes into account the draining pump structure of drainage efficiency.
Model utility content
The technical problems to be solved in the utility model is, provides a kind of rational in infrastructure, has both effectively stopped foreign matter and entered the micro-drainage pump with foreign material filter that drain chamber turn improves drainage efficiency.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: this has the micro-drainage pump of foreign material filter, include water pump shell, inner support, sealing gasket and capping, the water inlet of described inner support is provided with foreign material filter, described foreign material filter stops component by several and forms, described several stop component and are positioned on described water inlet inner circle wall, and along described water inlet inner circle wall distribution, are formed with filter gap between adjacent obstruction component.
In technique scheme, foreign material filter is the water inlet being arranged on inner support, and inner support space is comparatively large, adopts such structure, reduces the space of water inlet; Foreign material filter is made up of several obstruction components simultaneously, ingress is unlikely to too to seal filtration, both effectively stopped large foreign matter to pass through, large foreign matter enters drain chamber can be wound around impeller, cause drain motor stall can not proper drainage, be conducive to again the filter gap that little granular or short fibre foreign matter formed between adjacent obstruction component and pass through water inlet, all foreign matters can not be deposited in water inlet, reduce cleaning difficulty and the frequency of water inlet, also do not affect the drainage efficiency of draining pump simultaneously; Several stop component and are positioned on described water inlet inner circle wall, and along described water inlet inner circle wall distribution, make to stop component and be integrally formed with inner support, enhance join strength therebetween, extend the working life of draining pump.
Further improvement is, it is separate that described several stop component, and be uniformly distributed along described water inlet inner circle wall, its Advantageous Effects is, make to stop foreign matter suffered by component and Sewage shock power average mark is dispersed on the water inlet inner circle wall of inner support, and spread rapidly by inner circle wall, this further enhances the intensity stopping component; In addition, stop between component separate, be not connected each other, except having except filter gap between adjacent, also can form filter gap in obstruction member center position, enhancing the strainability of foreign material filter, there is better filtering effect.
Further improvement is, each stops component looping structure, middle indwelling has circular space, differentiation current also enable it form certain eddy current in water inlet neutral position, make current and the small foreign matter be entrained in current enters pump chamber quickly through water inlet, improve drainage efficiency.
Further improvement is, described obstruction component is sheet structure, and the join strength adopting sheet structure to make to stop between component and inner circle wall is larger, good stability.
Further improvement is, described obstruction component is triangle sheet structure; Each stops component and forms annular profile of tooth along described water inlet inner circle wall, the circular space of an astragal spine is formed in neutral position, under fluid impingement force, the sharp portion being conducive to stopping component carries out cutting to large foreign matter and is beneficial to it and avoids piling up in water inlet by water inlet.
Further improvement is, described obstruction component is shaft-like.
Further improvement is, described inner support is also provided with relief hole, reduce draining pump noise under half water half gaseity, after water drains by draining pump, the water of waste pipe backflow impacts pump chamber air with larger impact force under gravity, because the air in pump chamber can be discharged by relief hole, thus avoid the noise of " bang-bang " produced when washing machine dries, simple and reliable for structure, realize low cost noise reduction, failure rate is low, solves noise in laundry processes and bothers the problem of Consumer, hommization more.
Further improvement is, Filter column end on described inner support is positioned at middle position through described water inlet, arranges Filter column, and Filter column is matched with obstruction component, better obstruction foreign matter enters drain chamber, reduces the work difficulty of impeller in drain chamber; Meanwhile, Filter column is unlikely to again to close the neutral position stopping component and surround, and compared to existing draining pump, improves drainage efficiency.
Further improvement is, the cross section of the Filter column on described inner support is decussate texture; Described Filter column stops component with several and matches, form the filtering surface that cross section is meter font, Filter column coordinates with obstruction component, encloses four direction entrance, simultaneously leave again four direction entrance, both effectively stopped foreign matter and entered drain chamber and turn improve drainage efficiency.
Accompanying drawing explanation
Further describe below in conjunction with accompanying drawing and mode of execution of the present utility model:
Accompanying drawing 1 is prior art schematic diagram;
Accompanying drawing 2 is a kind of structural representations in the utility model embodiment;
Accompanying drawing 3 is that A in accompanying drawing 2 is to structural representation;
Accompanying drawing 4 is structural representations of the I part water inlet in accompanying drawing 3;
Accompanying drawing 5 is inner support structural representations;
Accompanying drawing 6 is the structural representations stopping component in Fig. 4;
Wherein: 1-water pump shell; 2-inner support; 201-water inlet; 202-relief hole; 203-Filter column; 204-end face; 3-sealing gasket; 4-capping; 5-foreign material filter; 501,502,503,504,505,506,507,508-stops component; 509,510,511,512,513,514,515,516-filter gap; 5011-joint; 5012-sharp portion; 517-circular space; 6-drain chamber.
Embodiment
Existing micro-drainage pump structural representation as shown in Figure 1, micro-drainage pump comprises water pump shell 1, inner support 2, sealing gasket 3 and capping 4, inner support 2 has the water inlet 201 of a tubulose near drain chamber 6 position, and this technological scheme utilizes Filter column 203 to make to avoid foreign matter to enter drain chamber 6 by water inlet 201, but, this Filter column 203 anti-foreign matter effect is not very desirable, does not reach effect.
Embodiment of the present utility model as shown in Figure 2, on the basis of Fig. 1 prior art, water inlet 201 is provided with foreign material filter 5, concrete: this micro-drainage pump with foreign material filter includes water pump shell 1, inner support 2, sealing gasket 3 and capping 4, water inlet 201 place of inner support 2 is provided with foreign material filter 5, foreign material filter 5 is by 8 separate obstruction components 501, 502, 503, 504, 505, 506, 507, 508 compositions (as shown in Figure 4), 8 separate obstruction components 501, 502, 503, 504, 505, 506, 507, 508 are positioned on water inlet 201 inner circle wall, and be uniformly distributed along described water inlet 201 inner circle wall, filter gap 509 is formed between adjacent obstruction component, 510, 511, 512, 513, 514, 515, 516(as shown in Figure 4).
As shown in Figure 3, each stops component looping structure, middle indwelling has circular space 517, also can see from Fig. 4, stopping component is that sheet structure (is out of shape as one, can also be shaft-like structure), specific in the present embodiment, stopping component 501,502,503,504,505,506,507,508 is triangle sheet structures; Each stops component and forms annular profile of tooth along water inlet 201 inner circle wall, from accompanying drawing 6, we can see, stop component 501 and there is joint 5011 and sharp portion 5012, joint 5011 is connected with the inner circle wall of water inlet 201, and from joint 5011 place, obstruction component 501 extends toward water inlet 201 central position and width reduces from joint 5011 place, until formed sharp portion 5012, other stop components 502,503,504,505,506,507,508 with 501 structure be the same.
In Fig. 3,5, we can also see, inner support 2 is also provided with relief hole 202, relief hole 202 is arranged on inner support 2 on the end face 204 of drain chamber 6, in fig. 2, Filter column 203 end on inner support 2 is positioned at middle position through described water inlet 201, and the cross section of the Filter column 203 on described inner support 2 is decussate texture; Described Filter column stops component with several and matches, and forms the filtering surface (Fig. 3,4) that cross section is meter font.
In specific works process, after the motor of draining pump is opened, namely current enter drain chamber 6 from water inlet 201, and large foreign matter stops outside water inlet 201, and filtering foreign matter effectively, can not enter drain chamber 6 and be wound around impeller.Due to draining pump be arranged on washing machine time, capping is positioned at the outer surface of washing machine, work a period of time after, directly capping can be outwarded winding, inner support is cleaned, eliminating foreign matter, convenient to operation.
Above-described specific embodiment, further describes the purpose of this utility model, technological scheme and beneficial effect, and institute it should be understood that and the foregoing is only specific embodiment of the utility model, is not limited to the utility model; All within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. one kind has the micro-drainage pump of foreign material filter, include water pump shell, inner support, sealing gasket and capping, it is characterized in that, the water inlet of described inner support is provided with foreign material filter, described foreign material filter stops component by several and forms, described several stop component and are positioned on described water inlet inner circle wall, and along described water inlet inner circle wall distribution, are formed with filter gap between adjacent obstruction component.
2. the micro-drainage pump with foreign material filter according to claim 1, is characterized in that, it is separate that described several stop component, and be uniformly distributed along described water inlet inner circle wall.
3. the micro-drainage pump with foreign material filter according to claim 2, is characterized in that, each stops component looping structure, and middle indwelling has circular space.
4. the micro-drainage pump with foreign material filter according to claim 3, is characterized in that, described obstruction component is sheet structure.
5. the micro-drainage pump with foreign material filter according to claim 4, is characterized in that, described obstruction component is triangle sheet structure; Each stops component and forms annular profile of tooth along described water inlet inner circle wall.
6. the micro-drainage pump with foreign material filter according to claim 3, is characterized in that, described obstruction component is shaft-like.
7. the micro-drainage pump with foreign material filter according to any one of claim 1-6, is characterized in that, described inner support is also provided with relief hole.
8. the micro-drainage pump with foreign material filter according to claim 7, is characterized in that, the Filter column end on described inner support is positioned at middle position through described water inlet.
9. the micro-drainage pump with foreign material filter according to claim 8, is characterized in that, the cross section of the Filter column on described inner support is decussate texture; Described Filter column stops component with several and matches, and forms the filtering surface that cross section is meter font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420753609.1U CN204284022U (en) | 2014-12-05 | 2014-12-05 | There is the micro-drainage pump of foreign material filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420753609.1U CN204284022U (en) | 2014-12-05 | 2014-12-05 | There is the micro-drainage pump of foreign material filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204284022U true CN204284022U (en) | 2015-04-22 |
Family
ID=52867187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420753609.1U Active CN204284022U (en) | 2014-12-05 | 2014-12-05 | There is the micro-drainage pump of foreign material filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204284022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107299902A (en) * | 2016-04-15 | 2017-10-27 | 德昌电机(深圳)有限公司 | Draining pump and the household electrical appliance with the draining pump |
-
2014
- 2014-12-05 CN CN201420753609.1U patent/CN204284022U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107299902A (en) * | 2016-04-15 | 2017-10-27 | 德昌电机(深圳)有限公司 | Draining pump and the household electrical appliance with the draining pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| IP01 | Partial invalidation of patent right | ||
| IP01 | Partial invalidation of patent right |
Commission number: 5W111951 Conclusion of examination: The utility model patent right of No. 201420753609.1 was declared partially invalid, and the patent right was maintained to continue to be valid on the basis of claims 1-7 submitted by the patentee on March 29, 2017 Decision date of declaring invalidation: 20170829 Decision number of declaring invalidation: 33169 Denomination of utility model: Micro drain pump with foreign matter filter Granted publication date: 20150422 Patentee: CHANGZHOU LEILI MOTOR SCIENCE & TECHNOLOGY Co.,Ltd. |