CN201031312Y - Laundry machine water discharge pump exogenous impurity filtering equipment - Google Patents
Laundry machine water discharge pump exogenous impurity filtering equipment Download PDFInfo
- Publication number
- CN201031312Y CN201031312Y CNU2007200362436U CN200720036243U CN201031312Y CN 201031312 Y CN201031312 Y CN 201031312Y CN U2007200362436 U CNU2007200362436 U CN U2007200362436U CN 200720036243 U CN200720036243 U CN 200720036243U CN 201031312 Y CN201031312 Y CN 201031312Y
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- China
- Prior art keywords
- filter
- chamber
- pump
- utility
- washing machine
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- Expired - Fee Related
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- Detail Structures Of Washing Machines And Dryers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a foreign body filter for a washing machine drainage pump, characterized in a simple structure, large water displacement and low noise. The utility model comprises a filter chamber and a pump chamber; an inhalation hole which can communicate the filter chamber and the pump chamber is adopted; the filter is installed in the filter room and comprises a handle member and a filter part; the outer flank of the handle member is fixed on the filter-chamber wall through threads; the filter part extrudes toward the direction of the inlet hole from the handle member and covers the inhalation hole; and a clearance is arranged between the filter part and the filter-chamber wall near the inlet hole, and grid through holes are arranged on the filter part. The utility model takes use of through holes that lead in the water and isolate foreign materials to ensure the normal operation of the impeller inside the pump chamber. Because latticed through holes are added, the water displacement is increased and the working efficiency of the washing machine is improved. The utility model is capable to overcome the problems of the prior art, such as narrow channel that causes much suction when water flows through and relatively big noise, and as a result, the duration of water discharge is reduced.
Description
One, technical field
The utility model relates to a kind of part of washing machine, specifically a kind of drainage pump of washing machine foreign material filter.
Two, background technology
In general, washing machine is to utilize the effect of washings and washing agent and by washing, cleaning, dehydration, drying and other steps, removes the device of the dirt that is stained with in the washings such as the clothes that holds in the cylinder, pillow.
Fig. 1 is the structural representation of general washing machine, and it includes: the housing 21 that forms the washing machine outward appearance; Be provided with roller frame 22 in the inside of housing 21, in roller frame 22, be provided with rotatable and be used for the cylinder 23 of washing clothes; In cylinder 3, be provided with the lifter (LIFTER) 24 that is used for promoting washings; The motor 25 of rotary drum 23 when washing, dehydration; Be used for discharging the drainage arrangement 26 of the washings that cylinder 23 holds to the outside; In the drying-type washing machine, also be provided with drying unit 27, see Fig. 1.Wherein, above-mentioned drainage arrangement 26 includes: be installed in pipeline 261, draining pump 262 and drainpipe 263 on the above-mentioned roller frame 22, pipeline 261 is connected with drainpipe 263 by draining pump 262, and drainpipe 263 is discharged the washings in the cylinder 23 outside the washing machine.Owing to adopt draining pump 262 to be used as the power of drainage arrangement 26, for making draining pump 262 energy operate as normal, the outlet of drainpipe 263 should have certain altitude apart from the bottom of washing machine, because the outlet of drainpipe is higher, water in the draining pump can not be discharged fully, causes residual water many.For the residual water in the draining pump 262 being discharged, at draining pump 262 places draining valve 264 is set usually, this draining valve 264 communicates with draining pump 262, after laundry is finished, people can open draining valve 264, and the residual water in the draining pump 262 is bled off, and prevent breed bacteria.
At present the draining pump internal structure of using as shown in Figure 2, draining pump 262 comprises pump case 1, be fixed on the drain motor 6 of pump case 1 one ends, be connected with the rotating shaft of drain motor 6 and be arranged on the interior impeller 8 of pump case 1, be arranged on impeller 8 front sides and remove the filter 30 of the interior foreign matter of washings.Be divided into filter chamber 3 that filter 30 is set and the pump housing chamber 4 that impeller is set in the pump case 1.Be provided with the inlet hole 5 that communicates with filter chamber 3 in the front side of pump housing chamber 4, and in filter chamber 3, be provided with the suction inlet 3a that links to each other with bellows drainpipe, be provided with the delivery outlet 4a that is connected with scupper hose in the pump housing chamber 4.As shown in Figure 3, filter 30 comprises the handle piece 31 on inlet hole 5 opposites that are inserted in filter chamber 3 and at the filter house of open on the handle piece 31 32 on the face that the direction of inlet hole 25 is protruded, filter house 32 relies on the gap on itself and filter chamber's 3 sidewalls to make draining inflow pump housing chamber 4 and stop foreign matter to enter simultaneously.
As above the course of work of the general drainage pump of washing machine of Gou Chenging is as follows:
At first, after described drain motor 6 drives, washings in the drum 23 flow into filter chamber 3 by pipeline 261 and suction inlet 3a, and passed through to flow in the pump housing chamber 4 behind the gap on filter house 32 and filter chamber 3 sidewalls, supercharging after impeller 8 actings, and the final outside that is expelled to washing machine by delivery outlet 4a and scupper hose.At this moment, contain foreign matter, and these foreign matters can't all hang over the inner face of filter house 32 by the gap on filter house 32 and filter chamber's 3 sidewalls if flow in the washings in the filter chamber 3.But, because filter house 32 only utilizes the gap of its outer rim and pump housing chamber 4 outer walls that water is flow through, cause the runner of water narrower, swabbing action was big when current passed through, and produce big noise, and drain discharge was less, has increased water discharge time.
Three, utility model content
The purpose of this utility model provides a kind of simple in structure, good filtration effect and the big drainage pump of washing machine foreign material filter of water flow, it can prevent effectively that impurity and floccule from directly entering the water impeller place, avoid water impeller to cause and twine and stop up, prolonged the service life of motor and washing machine, reduced the noise of current simultaneously and reduced the draining stand-by period.
The purpose of this utility model is achieved through the following technical solutions:
A kind of drainage pump of washing machine foreign material filter, comprise the filter chamber and the pump housing chamber that are arranged in the pump case, be provided with the inlet hole that filter chamber and pump housing chamber are communicated with in the indoor impeller of pump housing front side, filter is installed in the filter chamber, described filter comprises handle piece and filter house, the outside of handle piece is fixed on by screw thread and filters on the locular wall, filter house is protruded and covers inlet hole to the direction of inlet hole by handle piece, and have the gap between near the filter chamber's sidewall filter house and the inlet hole, it is characterized in that: on filter house, be provided with through hole.
Through hole is latticed distribution, can improve the filtration yield of water, improves filter efficiency.
The utility model has latticed through hole on the filter house of original foreign material filter, utilize through hole to make isolated simultaneously impurity of draining inflow and floccule enter pump housing chamber, avoids the water impeller in the pump housing chamber to be wound at work even to stop up.Owing to increased latticed through hole, improved the draining water yield, it is narrow because of water channel to have solved prior art, and swabbing action is big when current pass through, and has the defective of big noise, has reduced the draining stand-by period simultaneously, has improved the detersive efficiency of washing machine.
Four, description of drawings
Fig. 1 is the structural representation of tumbling-box washing machine;
Fig. 2 is the structural representation of draining valve before the utility model;
Fig. 3 is the structural representation of the utility model front filter;
Fig. 4 is a structural representation of the present utility model.
Five, the specific embodiment
Below, the present invention will be described in detail with reference to drawings and Examples.
A kind of drainage pump of washing machine foreign material filter described in the utility model, comprise the filter chamber 3 and the pump housing chamber 4 that are arranged on pump case 1 inside, impeller 8 front sides are provided with the inlet hole 5 with filter chamber and the connection of pump housing chamber in pump housing chamber 4, filter 30 is installed in the filter chamber, this filter 30 comprises handle piece 31 and filter house 32, the outside of handle piece 31 is fixed on filter chamber's 3 walls by screw thread, filter house 32 is protruded and covers inlet hole 25 to the direction of inlet hole by handle piece 31, and have the gap between near filter chamber's 3 sidewalls filter house 32 and the inlet hole 25, on filter house 32, be provided with latticed through hole 33.
The draining running of aforesaid draining pump and the process of removing foreign matter are as follows.
At first, when washing running, clean running, after a certain running in the dehydration running finishes, drive drain motor 6 impeller 8 and rotate, under suction function, the washings of being discharged by bellows drainpipe flow into filter chamber 3 in the pump case 1 by suction inlet 3a.
If contain foreign matter, along with current, these foreign matters can move to inlet hole 5 with washings in the washings in the inflow filter chamber 3.At this moment, stick on top when a part of foreign matter hits on the convex surface of filter house 32, and by the foreign matter of the side process of filter house 32, be hung on the slit between the peripheral filter chamber of filter house 32 and inlet hole 3 sidewalls, stoped foreign matter to enter pump housing chamber 4 thus.Simultaneously, more washings flow into pump housing chamber 4 by netted open-end hole 33 on the filter house 32 and inlet hole 5 backs successively, be expelled to the outside of washing machine through impeller 8 acting by delivery outlet 4a and scupper hose, foreign matter is then because volume is big before can't being blocked in filter 30 by netted open-end hole 33.
When above-mentioned washing running, wash down running, after the dehydration running is all over, when separating the filter 30 that is installed on the pump case 1,, thereby can remove foreign matter easily outward because of foreign matter all concentrates on the convex surface of filter house 32 and places.
Claims (2)
1. drainage pump of washing machine foreign material filter, comprise and be arranged on pump case (1) inner filter chamber (3) and pump housing chamber (4), impeller (8) front side is provided with the inlet hole (5) with filter chamber and the connection of pump housing chamber in pump housing chamber (4), filter (30) is installed in the filter chamber, described filter (30) comprises handle piece (31) and filter house (32), the outside of handle piece (31) is fixed on filter chamber (3) wall by screw thread, filter house (32) is protruded and covers inlet hole (25) to the direction of inlet hole by handle piece (31), and have the gap between near filter chamber (3) sidewall filter house (32) and the inlet hole (25), it is characterized in that: on filter house (32), be provided with through hole (33).
2. drainage pump of washing machine foreign material filter according to claim 1 is characterized in that: described through hole (33) is latticed distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200362436U CN201031312Y (en) | 2007-04-18 | 2007-04-18 | Laundry machine water discharge pump exogenous impurity filtering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200362436U CN201031312Y (en) | 2007-04-18 | 2007-04-18 | Laundry machine water discharge pump exogenous impurity filtering equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201031312Y true CN201031312Y (en) | 2008-03-05 |
Family
ID=39163205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200362436U Expired - Fee Related CN201031312Y (en) | 2007-04-18 | 2007-04-18 | Laundry machine water discharge pump exogenous impurity filtering equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201031312Y (en) |
Cited By (2)
| 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 |
| CN111394949A (en) * | 2019-01-02 | 2020-07-10 | 青岛海尔滚筒洗衣机有限公司 | Washing machine and drainage and noise reduction structure thereof |
-
2007
- 2007-04-18 CN CNU2007200362436U patent/CN201031312Y/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN111394949A (en) * | 2019-01-02 | 2020-07-10 | 青岛海尔滚筒洗衣机有限公司 | Washing machine and drainage and noise reduction structure thereof |
| CN111394949B (en) * | 2019-01-02 | 2023-04-21 | 青岛海尔洗涤电器有限公司 | Drainage noise reduction structure of washing machine and washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080305 Termination date: 20150418 |
|
| EXPY | Termination of patent right or utility model |