CN202284255U - Drainage pump of washing machine and washing machine - Google Patents
Drainage pump of washing machine and washing machine Download PDFInfo
- Publication number
- CN202284255U CN202284255U CN 201120350741 CN201120350741U CN202284255U CN 202284255 U CN202284255 U CN 202284255U CN 201120350741 CN201120350741 CN 201120350741 CN 201120350741 U CN201120350741 U CN 201120350741U CN 202284255 U CN202284255 U CN 202284255U
- Authority
- CN
- China
- Prior art keywords
- pump
- washing machine
- outlet pipe
- return duct
- drainage
- 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
Images
Landscapes
- Detail Structures Of Washing Machines And Dryers (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
Provided is a drainage pump of a washing machine, comprising a pump casing, a water-repellent blade, a water inlet pipe, a water outlet pipe, a pump cavity, a filtering chamber, and a return pipe connected to the water outlet pipe and the filtering chamber. The return pipe, the water outlet pipe and the pump casing are integrally formed. The return pipe inclines with respect to the water outlet pipe and the pump casing. The utility model also relates to an automatic washing machine using the drainage pump. The drainage pump is advantageous in that a return pipe is additionally disposed between the water outlet pipe and the pump casing, and the return pipe, the water outlet pipe and the pump casing are integrally formed; the cost is low and the structure is simple and reliable; the failure rate is low, and the noise pollution of draining is effectively reduced.
Description
Technical field
The utility model relates to a kind of washing machine, particularly relates to the washing machine that uses draining pump and the low noise draining pump of this washing machine.
Background technology
Domestic electric washer is divided into pulsator washing machine, roller washing machine, stirring washing machine, and roller washing machine is applied to Europe the earliest, the variation of the Along with people's level of consumption and idea, and roller washing machine is being accepted by the Asia people more and more widely also.Simultaneously along with the continuous improvement of social living environment, the improving constantly of washing machine user family life quality, quietly living environment more and more receives everybody attention.Family's electric noise has also become one of major issue of each household electrical appliances manufacturer solution, and wherein the quiet index of washing machine is improving constantly.
Roller washing machine all adopts drainage pattern, and the water in the tube is through outside draining pump, the drainpipe discharge machine.Draining pump receives that water impact produces in the water pipe circulation noise of " drone---drone " can't not thoroughly solve when draining.After the water emptying in the roller washing machine, because draining pump has the lift about 1.2 meters, the water of this section water pipe internal memory can't be discharged; Under the effect of gravity, constantly impact the draining pump impeller downwards on the contrary, thrown away by impeller again; So just, cause the noise of " drone-drone "; On existing low side washing machine, all adopt the water level switch device, draining pump can only be worked in whole drying process always, even if on high-end washing machine, adopted level sensor; Though can when low water level, determine lowest water level, stop draining pump work.But the signal of sensor can be interfered usually and drift about, very easily erroneous judgement, and its result or noise is still arranged, otherwise draining is unclean, can not satisfy user's low noise demand.Formerly patent CN201507484 U utility model name is called in the disclosed technical scheme of low noise pump case of drainage pump of washing machine; Set up an explosionproof hole at pump case near the pump chamber at delivery port place and the pump Nell wall end face between the filter chamber; But this venting is lower than water discharge outlet; Promptly in pump chamber, still can form the gas-vapor mix body, can not solve fully and impact the noise that impeller produces when water refluxes in the drainpipe.
The utility model content
The utility model provides a kind of low noise draining pump and washing machine based on above-mentioned defective of the prior art, in pump chamber, is full of water all the time, avoids the gas-vapor mix body to impact water extraction leaf, effectively reduces the washing machine noise.
In order to realize the utility model purpose, the utility model adopts following technical scheme:
A kind of drainage pump of washing machine comprises pump case, water extraction leaf, water inlet pipe, outlet pipe, pump chamber, filter chamber, also comprises the return duct that connects outlet pipe and filter chamber, and the link of return duct and outlet pipe should exceed the distance of pump chamber draining end face.
Said return duct and outlet pipe, pump case global formation.
Said return duct is inclined to set with respect to outlet pipe and pump case, and further, the central axis angular range of the central axis of said return duct and outlet pipe is 20 °-80 °.
As another kind of embodiment, said return duct can be arranged to L shaped connection outlet pipe and filter chamber according to the structure of pump case, and further, L shaped return duct corner is arc transition.
Said diameter of outflow tube is 3-6 a times of return duct diameter.
The utility model also relates to a kind of automatic washing machine; Comprise water inlet system, contain the drainage system of draining pump; Said draining pump comprises pump case, water extraction leaf, water inlet pipe, outlet pipe, pump chamber, filter chamber; Also comprise the return duct that connects outlet pipe and filter chamber, the distance that the link of return duct and outlet pipe exceeds pump chamber draining end face is 1-3 a times of return duct diameter.Said return duct and outlet pipe, pump case global formation.
Through adopting above-mentioned technical scheme, drainage pump of washing machine is set up return duct and one-body molded between outlet pipe and pump case, has water to exist in the pump case always, avoids air to get into, and draining pump can not produce " banging-bang " noise during washing machine dried.Simple and reliable for structure, realize low-cost noise reduction, fault rate is low, solves the problem that noise is bothered the consumer in the laundry processes, hommization more.
Description of drawings
Fig. 1 is the utility model embodiment drainage system sketch map.
Fig. 2 is another instance of the utility model.
Part shown in the figure is: 1. pump case, 2. pump chamber, 3. filter chamber, 4. water extraction leaf, 5. water inlet pipe, 6. outlet pipe, 7. return duct, 8. drain motor, 9. pump chamber water discharge outlet end face.
The specific embodiment
Below in conjunction with accompanying drawing, the drainage pump of washing machine that the utility model is provided and use the washing machine of this draining pump to be elaborated.
As shown in the figure; The washing machine drainage system comprises and is divided into pump chamber 2 and filter chamber 3 in pump case 1, the pump case 1 that water inlet pipe 5 is communicated with filter chambers 3, and water extraction leaf 4 is arranged in the pump chamber 2; Drain motor 8 rotates and drives water extraction leaf 4 work, and the centrifugal force of formation is discharged to water the outlet pipe 6 from pump chamber water discharge outlet end 9.Be provided with return duct 7 at outlet pipe 6 and filter chamber 3, return duct 7 is communicated with outlet pipe 6 and filter chamber 3, return duct 7 and outlet pipe 6, pump case 1 global formation.
When washing machine drainage, the washing machine drum washed water gets into from water inlet pipe 5, is filled to filter chamber 3, pump chamber 2, outlet pipe 6, return duct 7, under the effect of water extraction leaf 4 water is being discharged outside the washing machine from outlet pipe 5.When bucket washed water during near emptying, water inlet pipe 5 does not have water to get into filter chamber 3, at this moment; Outlet pipe 5 adds in the filter chamber 3 via return duct 7 under the gravity effect with the interior water of the outer drainpipe (not shown) of washing machine; Water emptying even so do washing in the machine barrel still is full of water in pump case 1 inside, forms a partial circulating by outlet pipe 6-return duct 7-filter chamber 3-pump chamber 2-outlet pipe 6; Whole process does not have air to get into, and has avoided the noise of " banging-bang ".
In this most preferred embodiment, return duct 7 exceeds pump chamber draining end face with the link of outlet pipe 6, and diameter of outflow tube is 3-6 a times of return duct diameter.Return duct 7 is inclined to set with respect to outlet pipe 6 and pump case 1; The central axis angular range of the central axis of return duct and outlet pipe is 20 °-80 °; Guarantee that like this having water to be full of in the pump chamber 2 is unlikely to get into air, and unimpeded quick must being back in the filter chamber 3 of return duct 7 backwater.
As another kind of embodiment, referring to shown in Figure 2, also can be arranged to L shaped connection outlet pipe and filter chamber according to the structure return duct of pump case, return duct connects the outlet pipe position and is higher than pump chamber draining end face.
As another embodiment, if outlet pipe is when substantially parallel with filter chamber, return duct can be designed to the straight pipeline shape, and return duct is as long as an end connects outlet pipe, and the other end connects filter chamber, can let the water backflow of the outer drainpipe of washing machine just can realize the low noise of pump.
The utility model also relates to a kind of automatic washing machine that uses this draining pump; Comprise water inlet system, contain the drainage system of draining pump; Said draining pump comprises pump case, water extraction leaf, water inlet pipe, outlet pipe, pump chamber, filter chamber; Also comprise the return duct that connects outlet pipe and filter chamber, the link of return duct and outlet pipe exceeds pump chamber draining end face.Said return duct and outlet pipe, pump case global formation.
In sum, through adopting above-mentioned technical scheme, drainage pump of washing machine is set up return duct and one-body molded between outlet pipe and pump case; The design of one such as return duct, pump case no longer adds parts, and is simple and reliable; Fault rate is low, can not increase any cost, guarantees to have in the pump case in the drainage procedure water to exist always; Can not get into air, during washing machine dries, effectively reduce noise pollution.
Certainly; The utility model is not limited to above-mentioned giving an example, and the technical scheme that it will be apparent to those skilled in the art that is under the situation of spirit that does not break away from the utility model or scope; The utility model is made various modifications and changed in the utility model claim and be equal in the scope of replacement; This technical scheme is not only applicable to roller washing machine, also is applicable to rotary drum washing machine, the stirring washing machine of draining band draining pump simultaneously, and then the utility model is contained such modification and change.
Claims (8)
1. a drainage pump of washing machine comprises pump case, water extraction leaf, water inlet pipe, outlet pipe, pump chamber, filter chamber, it is characterized in that, also comprises the return duct that connects outlet pipe and filter chamber, and the link of return duct and outlet pipe should exceed pump chamber draining end face.
2. drainage pump of washing machine according to claim 1 is characterized in that, said return duct and outlet pipe, pump case global formation.
3. drainage pump of washing machine according to claim 2 is characterized in that said return duct is inclined to set with respect to outlet pipe and pump case.
4. drainage pump of washing machine according to claim 3 is characterized in that, the central axis angular range of the central axis of said return duct and outlet pipe is 20 °-80 °.
5. drainage pump of washing machine according to claim 2 is characterized in that, said return duct can be arranged to L shaped according to the structure of pump case, and L shaped return duct two ends connect outlet pipe and filter chamber.
6. drainage pump of washing machine according to claim 5 is characterized in that, said L shaped return duct corner is an arc transition.
7. according to each described drainage pump of washing machine of claim 1-6, it is characterized in that said diameter of outflow tube is 3-6 a times of return duct diameter.
8. automatic washing machine comprises water inlet system, contains the drainage system of draining pump, it is characterized in that said draining pump adopts according to each described draining pump of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120350741 CN202284255U (en) | 2011-09-19 | 2011-09-19 | Drainage pump of washing machine and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120350741 CN202284255U (en) | 2011-09-19 | 2011-09-19 | Drainage pump of washing machine and washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202284255U true CN202284255U (en) | 2012-06-27 |
Family
ID=46295783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120350741 Expired - Lifetime CN202284255U (en) | 2011-09-19 | 2011-09-19 | Drainage pump of washing machine and washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202284255U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995360A (en) * | 2011-09-19 | 2013-03-27 | 海尔集团公司 | Drainage pump of washing machine and washing machine |
| CN105986426A (en) * | 2015-01-27 | 2016-10-05 | 青岛海尔洗衣机有限公司 | Filter for washing machine dual-end drainage pump |
| CN106436193A (en) * | 2016-08-30 | 2017-02-22 | 无锡小天鹅股份有限公司 | Drainage assembly for roller washing machine and roller washing machine with same |
-
2011
- 2011-09-19 CN CN 201120350741 patent/CN202284255U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995360A (en) * | 2011-09-19 | 2013-03-27 | 海尔集团公司 | Drainage pump of washing machine and washing machine |
| CN105986426A (en) * | 2015-01-27 | 2016-10-05 | 青岛海尔洗衣机有限公司 | Filter for washing machine dual-end drainage pump |
| CN105986426B (en) * | 2015-01-27 | 2020-06-05 | 青岛海尔洗衣机有限公司 | Washing machine double-end drain pump filter |
| CN106436193A (en) * | 2016-08-30 | 2017-02-22 | 无锡小天鹅股份有限公司 | Drainage assembly for roller washing machine and roller washing machine with same |
| CN106436193B (en) * | 2016-08-30 | 2018-10-19 | 无锡小天鹅股份有限公司 | Drain assembly for roller washing machine and the roller washing machine with it |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102505426A (en) | Drainage pump of washing machine, and washing machine using same | |
| CN204097757U (en) | Use in washing machine can enter the draining pump that draining is exchanged | |
| CN202509291U (en) | Tumbling-barrel washing machine drainage device and tumbling-barrel washing machine | |
| CN102817214A (en) | Drainage system capable of lowering drainage noise of washing machine and control method thereof | |
| CN202786830U (en) | Drainage system for reducing washing machine drainage noise | |
| CN202284255U (en) | Drainage pump of washing machine and washing machine | |
| CN106319812B (en) | Rotary drum washing machine | |
| CN104471139A (en) | Water-saving washing machine device | |
| CN201850429U (en) | Drum-type washing machine | |
| CN102995360A (en) | Drainage pump of washing machine and washing machine | |
| CN203729116U (en) | Draining and filtering device and washing machine | |
| WO2019170080A1 (en) | Water guiding structure of washing machine, wash tub having same and washing machine | |
| CN202865635U (en) | Draining pump device of washing machine and washing machine | |
| CN201634917U (en) | Joining structure of condenser and wash bucket and washing machine adopting the same | |
| CN210066259U (en) | Washing machine | |
| CN110857494A (en) | Double-drum clothes treatment device | |
| CN210934104U (en) | Cleaning assembly and air conditioning equipment | |
| WO2020029871A1 (en) | Drainage channel of washing equipment and washing equipment | |
| CN204690352U (en) | Washing machine | |
| CN110438754B (en) | Overflow structure of lower drainage drum washing machine | |
| CN217040035U (en) | Household cleaning equipment | |
| CN204284022U (en) | There is the micro-drainage pump of foreign material filter | |
| CN205117753U (en) | Special induction pump of household water -saving | |
| CN102409517A (en) | Drum-type washing machine | |
| CN211935567U (en) | Novel toy washing machine structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160630 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: Qingdao Haier Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Patentee before: haier group corporation Patentee before: Qingdao Haier Washing Machine Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120627 |