CN104420135A - Residual water discharging structure and method for water discharging pump of washing machine - Google Patents
Residual water discharging structure and method for water discharging pump of washing machine Download PDFInfo
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- CN104420135A CN104420135A CN201310368352.8A CN201310368352A CN104420135A CN 104420135 A CN104420135 A CN 104420135A CN 201310368352 A CN201310368352 A CN 201310368352A CN 104420135 A CN104420135 A CN 104420135A
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- Prior art keywords
- residual water
- port
- water discharge
- cavity
- washing machine
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
Abstract
The invention discloses a residual water discharging structure and method for a water discharging pump of a washing machine. The residual water discharging structure comprises a residual water discharging pipe, wherein the residual water discharging pipe is connected with the water discharging pump. A negative pressure forming body which is made of elastic materials is arranged at the end of the residual water discharging pipe, and comprises a first port and a second port, wherein the first port is connected with the end of the residual water discharging pipe, the second port serves as a discharging outlet, a cavity is formed between the first port and the second port, a second valve which is used for controlling the second port to be opened and closed is arranged on the second port, and a negative pressure environment can be formed in the residual water discharging pipe after the cavity is pressed. According to the residual water discharging structure and method for the water discharging pump of the washing machine, the purpose that residual water in the water discharging pump is completely discharged is achieved, bacteria are prevented from breeding, and the phenomenon that residual water scatters and therefore the ground is dirty is avoided.
Description
Technical field
The invention belongs to washing machine field, be specifically related to a kind of residual water discharge structure and method of drainage pump of washing machine, be especially applicable to being applied in horizontal axis washer.
Background technology
Washing machine utilizes the effect of washings and washing agent and passes through the steps such as washing, cleaning, dehydration, remove the device of dirt in washing clothes, in whole washing process, washings are drained into external pipe mainly through the drainage system be made up of draining pump and drainage pipeline by washing machine in time.In order to ensure the normal operation of drainage pump of washing machine, especially for horizontal axis washer (being often called roller washing machine), because self washing principle of horizontal axis washer needs, require that the height of washing machine body can not be too high, therefore drainage system is arranged on outer barrel of washing machine bottom, setting height(from bottom) is lower, simultaneously because draining needs, the water discharge outlet distance washing machine bottom of drainage pipeline has certain altitude, therefore the difference in height between draining pump and water discharge outlet is less, water in draining pump cannot be discharged completely, cause forming residual water in draining pump, easy breed bacteria, and when the filter screen of user in washing machine in excavationg pump carries out clean, the unrestrained ground of making dirty of residual water in draining pump.
In order to solve the problems of the technologies described above, now existing more technology openly solves residual water and discharges problem, as the publication number Chinese patent that is CN1737243A discloses a kind of drainage arrangement of roller washing machine, comprise valve member, air chamber, motor and drainpipe, motor is arranged on valve body; One end of air chamber is connected with the outer barrel osculum of washing machine, and the other end is connected with the water inlet on valve body; Drainpipe is connected with the delivery port on valve body, and structure is not only complicated, and inevitable still can gathering has residual water in valve body.And for example publication number is that the Chinese patent of CN1566496A discloses a kind of roller washing machine being equipped with hose for discharging residual water, propose the side of the drainpipe of roller washing machine inside is provided with extraction hose for discharging residual water, hose for discharging residual water is connected on the lower framework of roller washing machine bottom surface, and hose for discharging residual water has the removable lid controlling to open or close.Although this patent is improved the residual water residual condition of horizontal axis washer to a certain extent, the residual water in draining pump still cannot be discharged.
And at present the most simply and also the most common way be connect residual water discharge spout at washing machine bottom, the residual water discharge structure of prior art is as shown in Figure 1 applied to structural representation during horizontal axis washer, residual water discharge spout 100 is connected with draining pump (scheming not shown), residual water relies on self gravitation to discharge from the water discharge outlet 110 of residual water discharge spout 100, and accepts the residual water of water discharge outlet 110 discharge with container 120.But all lower apart from the height H 1 bottom horizontal axis washer 130 by residual water discharge spout 100, be approximately 5cm.If washing machine user needs to accept residual water, height then must be looked for lower than the container of 5cm, otherwise residual water still cannot be discharged by residual water discharge spout 100, and the bearing container 120 used in reality is highly generally all greater than 5cm, therefore residual water is caused still cannot to discharge totally, while breed bacteria, also easily cause user in the process to draining pump filter gauze cleaning, because the residual water in draining pump is trickled down and ground of making dirty.
Therefore, be necessary to seek technical scheme and solve residual water emission problem to drainage pump of washing machine, the especially residual water emission problem of horizontal axis washer draining pump.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of residual water discharge structure and method of drainage pump of washing machine, realize, to the discharge completely of water residual in draining pump, avoiding breed bacteria, avoid the unrestrained ground of making dirty of residual water simultaneously.
To achieve these goals, technical scheme provided by the invention is as follows:
A kind of residual water discharge structure of drainage pump of washing machine, comprise the residual water discharge spout be connected with draining pump, wherein, described residual water discharge spout end is provided with the negative pressure shape adult adopting elastomeric material to make, described negative pressure shape adult comprises the first port of being connected with residual water discharge spout end and the second port as outlet, cavity is formed between first port and the second port, the second described port is provided with the second valve for controlling the second port open and closedown, makes to form subnormal ambient in residual water discharge spout after the effect of being squeezed of described cavity.
Preferably, the bore of the first port is less than the internal diameter of cavity, and is greater than the bore of the second port.
Preferably, the second described valve is cross stealthy hole.
Preferably, the first described port is provided with the first valve opened and closed for controlling the first port.
Preferably, described cavity is ball-shape shape.
Preferably, the second described port outside diameter is provided with along the outward extending stiffened edge of the second port.
Preferably, described elastomeric material is rubber.
Preferably, described negative pressure shape adult and residual water discharge spout are formed in one structure or separable assembled structure.
Preferably, a kind of residual water discharge method of drainage pump of washing machine as above, described method comprises:
A), extrude cavity, by the second valve opening second port, the air in cavity is discharged by the first port and the second port;
B), stop extruding cavity, by the second valve closing second port, recover in deformation process at cavity, make to form subnormal ambient in residual water discharge spout, the residual water in draining pump is inhaled into cavity by the first port;
C), again extrude cavity, by the second valve opening second port, the residual water being positioned at cavity is discharged from the second port.
Preferably, described method also comprises: repeated execution of steps b) and step c), until the residual water in draining pump is discharged completely.
The present invention is by arranging the negative pressure shape adult adopting elastomeric material to make in residual water discharge spout end, by the first port be connected with residual water discharge spout end and the second port as outlet, and first the cavity formed between port and the second port form, simultaneously by the second Valve controlling second port open and closedown, therefore make after the effect of being squeezed of this cavity to form subnormal ambient in residual water discharge spout, the water remained in bottom draining pump sucks from the first port and passes through again to extrude and discharges from the second port by this subnormal ambient, the negative pressure residual water discharging modes that the present invention proposes are not by the restriction of residual water discharge spout height, and then make the installation site that do not need to limit residual water discharge spout, the present invention all can realize the discharge completely to water residual in draining pump, avoid breed bacteria, also effectively avoid residual water to make dirty ground due to reasons such as clean filter screens simultaneously, and structure of the present invention is simple, be easy to operation, be applicable to applying, because the draining pump height of horizontal axis washer is lower, the problem that residual water cannot thoroughly discharge is more outstanding relative to vertical shaft washing machine, and therefore, the present invention is especially applicable to being applied to horizontal axis washer, as the residual water discharge structure of horizontal axis washer draining pump.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the residual water discharge structure of prior art structural representation when being applied to horizontal axis washer;
Fig. 2 is the residual water discharge structure sectional view of the drainage pump of washing machine in the embodiment of the present invention;
Fig. 3 is the upward view of the residual water discharge structure shown in Fig. 2;
Fig. 4 is the syndeton schematic diagram of the residual water discharge structure shown in Fig. 2 and draining pump;
Fig. 5 is the working state schematic representation of residual water discharge structure when carrying out step a) shown in Fig. 2;
Fig. 6 is the working state schematic representation of residual water discharge structure when carrying out step b) shown in Fig. 2;
Fig. 7 is the working state schematic representation of residual water discharge structure when carrying out step c) shown in Fig. 2;
Fig. 8 is the structural representation of the residual water discharge structure shown in Fig. 2 when being applied to horizontal axis washer.
Detailed description of the invention
The embodiment of the invention discloses a kind of residual water discharge structure of drainage pump of washing machine, comprise the residual water discharge spout be connected with draining pump, wherein, residual water discharge spout end is provided with the negative pressure shape adult adopting elastomeric material to make, negative pressure shape adult comprises the first port of being connected with residual water discharge spout end and the second port as outlet, cavity is formed between first port and the second port, second port is provided with the second valve for controlling the second port open and closedown, makes to form subnormal ambient in residual water discharge spout after the cavity effect of being squeezed.
The embodiment of the invention also discloses the residual water discharge method of drainage pump of washing machine as above, its operating procedure comprises:
A), extrude cavity, by the second valve opening second port, the air in cavity is discharged by the first port and the second port;
B), stop extruding cavity, by the second valve closing second port, recover in deformation process at cavity, make to form subnormal ambient in residual water discharge spout, the residual water in draining pump is inhaled into cavity by the first port;
C), again extrude cavity, by the second valve opening second port, the residual water being positioned at cavity is discharged from the second port.
The embodiment of the present invention is by arranging the negative pressure shape adult adopting elastomeric material to make in residual water discharge spout end, by the first port be connected with residual water discharge spout end and the second port as outlet, and first the cavity formed between port and the second port form, simultaneously by the second Valve controlling second port open and closedown, therefore make after the effect of being squeezed of this cavity to form subnormal ambient in residual water discharge spout, the water remained in bottom draining pump sucks from the first port and passes through again to extrude and discharges from the second port by this subnormal ambient, the negative pressure residual water discharging modes that the embodiment of the present invention proposes are not by the restriction of residual water discharge spout height, and then make the installation site that do not need to limit residual water discharge spout, the embodiment of the present invention all can realize the discharge completely to water residual in draining pump, avoid breed bacteria, also effectively avoid residual water to make dirty ground due to reasons such as clean filter screens simultaneously, and embodiment of the present invention structure is simple, be easy to operation, be applicable to applying, because the draining pump height of horizontal axis washer is lower, the problem that residual water cannot thoroughly discharge is more outstanding relative to vertical shaft washing machine, therefore, the embodiment of the present invention is especially applicable to being applied to horizontal axis washer, as the residual water discharge structure of horizontal axis washer draining pump.
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Refer to Fig. 2, shown in Fig. 3 and Fig. 4, a kind of residual water discharge structure of drainage pump of washing machine, comprise the residual water discharge spout 300 be connected with draining pump 200, residual water discharge spout 300 is positioned at the below of draining pump 200, wherein, residual water discharge spout 300 end is provided with the negative pressure shape adult adopting elastomeric material to make, comprise the first port 310 of being connected with residual water discharge spout 300 end and the second port 320 as outlet, cavity 330 is formed between first port 310 and the second port 320, second port 320 is provided with the second valve opened and closed for controlling the second port 320, make after cavity 330 effect of being squeezed to form subnormal ambient in residual water discharge spout.
Preferably, in the present embodiment, cavity 330 is ball-shape shape, the bore of the first port 310 is less than the internal diameter of cavity 330, and be greater than the bore of the second port 320, can better effects if be formed, the subnormal ambient that efficiency is higher, and control residual water and mainly discharge from the second port 320, and then guarantee the residual water emission effect of the negative pressure of negative pressure shape adult.
Preferably, in the present embodiment, second valve is cross stealthy hole 321, cross stealthy hole 321 can effectively avoid air to enter in cavity 330 from the second port 320, the second port 320 is made automatically to carry out opening or closing, and do not need people's body of tool to operate the second valve, simple to operation, natch, in other embodiments, also the second valve can be set to other structures, as stopper or clip etc., adopt and manually carry out operating realization to the folding of the second port 320 and closing motion to stopper or clip, natch, in other embodiments, stealthy hole also can be set to other shapes, make the second port 320 can carry out opening or closing, guarantee cavity 330 when forming subnormal ambient to external seal, and then ensure vacuum effect.
Preferably, in other embodiments, first port 310 is provided with the first valve opened and closed for controlling the first port 310, particularly, first valve can be stopper or clip, or be other structures, adopt and manually carry out operating realization to the folding of the first port 310 and closing motion to stopper or clip.
Preferably, in the present embodiment, second port 320 external diameter is provided with along the outward extending stiffened edge 340 of the second port 320, stiffened edge 340 extends laterally, the shape of stiffened edge 340 can specifically be selected according to actual needs, stiffened edge 340 can effectively avoid the second port 320, owing to being constantly subject to strong extruding force for a long time, breakage occurs, and affects the service life of negative pressure shape adult; Further preferably, in the present embodiment, stiffened edge 340 outwards axially extends along the second port 320, realizes above-mentioned add powerful while, also realizing discharge guiding function when discharging residual water to the second port 320, preventing residual water splashes when discharging.
Preferably, in the present embodiment, elastomeric material is rubber, and the negative pressure shape adult that rubber is made and residual water discharge spout are formed in one structure, and natch, in other embodiments, negative pressure shape adult and residual water discharge spout also can adopt separable assembled structure.
In the present embodiment, the operating procedure of the residual water discharge method of drainage pump of washing machine comprises:
A), the direction of arrow shown in Figure 5, extruding cavity 330, is automatically opened the second port 320 by cross stealthy hole 321, is discharged by the air 1 in cavity 330 by the first port 310 and the second port 320;
B), the direction of arrow shown in Figure 6, stop extruding cavity 330, automatically the second port 320 is closed by cross stealthy hole 321, prevent the second port 320 from entering air, recover in deformation process at cavity 330, make to form subnormal ambient in residual water discharge spout 300, the residual water 2 in draining pump 200 is inhaled into cavity 330, and subnormal ambient is to external seal;
C), the direction of arrow shown in Figure 7, again extrude cavity 330, automatically the second port 320 is opened by cross stealthy hole 321, because the bore of the second port 320 is minimum, thus the residual water 2 being positioned at cavity 330 is mainly discharged from the second port 320, and the residual air 1 in cavity 330 is mainly discharged from the first port 310, control the discharge path of residual water 2 and air 1, and then guarantee the residual water emission effect of the negative pressure of negative pressure shape adult in the present embodiment.
Repeated execution of steps b) and step c), until the residual water 2 in draining pump 200 is discharged completely.
Further preferably, in other embodiments, the first port 310 is provided with the first valve opened and closed for controlling the first port 310, and the operating procedure of the residual water discharge method of drainage pump of washing machine comprises:
A), equally can the direction of arrow shown in Figure 5, extruding cavity 330, by the first valve opening first port 310, automatically open the second port 320 by cross stealthy hole 321, the air 1 in cavity 330 is discharged by the first port 310 and the second port 320;
B), equally can the direction of arrow shown in Figure 6, stop extruding cavity 330, automatically the second port 320 is closed by cross stealthy hole 321, prevent the second port 320 from entering air, recover in deformation process at cavity 330, make to form subnormal ambient in residual water discharge spout 300, the residual water 2 in draining pump 200 is inhaled into cavity 330, and subnormal ambient is to external seal;
C), again cavity 330 is extruded, by the first valve closing first port 310, automatically the second port 320 is opened by cross stealthy hole 321, the residual water 2 and the air 1 that are positioned at cavity 330 are all discharged from the second port 320, and then guarantee the residual water emission effect of the negative pressure of negative pressure shape adult in the present embodiment.
Repeated execution of steps b) and step c), until the residual water 2 in draining pump 200 is discharged completely.
Shown in Figure 8, the present embodiment is applied to structural representation during horizontal axis washer, residual water discharge spout 300 is connected with draining pump (Fig. 8 is not shown), residual water discharge spout 300 is approximately 5cm apart from the height H 2 bottom horizontal axis washer 400, when user adopt highly be greater than 5cm bearing container 500 to accept residual water time, the subnormal ambient that residual water in draining pump 200 still can be formed by present embodiment is by completely, thoroughly discharge from the second port 320, and the setting height(from bottom) restriction of residual water discharge spout 300 can not be subject to, therefore the residual water discharge structure of drainage pump of washing machine that the embodiment of the present invention provides especially is applicable to being applied in horizontal axis washer, can certainly be according to actual needs, be applied to vertical shaft washing machine, as in pulsator washing machine or agitator type washing machine, obtain better residual water emission effect.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (10)
1. the residual water discharge structure of a drainage pump of washing machine, comprise the residual water discharge spout be connected with draining pump, it is characterized in that, described residual water discharge spout end is provided with the negative pressure shape adult adopting elastomeric material to make, described negative pressure shape adult comprises the first port of being connected with residual water discharge spout end and the second port as outlet, cavity is formed between first port and the second port, the second described port is provided with the second valve for controlling the second port open and closedown, makes to form subnormal ambient in residual water discharge spout after the effect of being squeezed of described cavity.
2. the residual water discharge structure of drainage pump of washing machine as claimed in claim 1, it is characterized in that, the bore of the first port is less than the internal diameter of cavity, and is greater than the bore of the second port.
3. the residual water discharge structure of drainage pump of washing machine as claimed in claim 1, it is characterized in that, the second described valve is cross stealthy hole.
4. the residual water discharge structure of drainage pump of washing machine as claimed in claim 1, is characterized in that, the first described port is provided with the first valve opened and closed for controlling the first port.
5. the residual water discharge structure of drainage pump of washing machine as claimed in claim 1, it is characterized in that, described cavity is ball-shape shape.
6. the residual water discharge structure of drainage pump of washing machine as claimed in claim 1, it is characterized in that, the second described port outside diameter is provided with along the outward extending stiffened edge of the second port.
7. the residual water discharge structure of drainage pump of washing machine as claimed in claim 1, it is characterized in that, described elastomeric material is rubber.
8. the residual water discharge structure of drainage pump of washing machine as claimed in claim 1, is characterized in that, described negative pressure shape adult and residual water discharge spout are formed in one structure or separable assembled structure.
9. a residual water discharge method for the drainage pump of washing machine as described in one of claim 1-8, it is characterized in that, described method comprises:
A), extrude cavity, by the second valve opening second port, the air in cavity is discharged by the first port and the second port;
B), stop extruding cavity, by the second valve closing second port, recover in deformation process at cavity, make to form subnormal ambient in residual water discharge spout, the residual water in draining pump is inhaled into cavity by the first port;
C), again extrude cavity, by the second valve opening second port, the residual water being positioned at cavity is discharged from the second port.
10. the residual water discharge method of drainage pump of washing machine as claimed in claim 9, it is characterized in that, described method also comprises: repeated execution of steps b) and step c), until the residual water in draining pump is discharged completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310368352.8A CN104420135B (en) | 2013-08-22 | 2013-08-22 | The back water discharge structure of a kind of drainage pump of washing machine and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310368352.8A CN104420135B (en) | 2013-08-22 | 2013-08-22 | The back water discharge structure of a kind of drainage pump of washing machine and method |
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| CN104420135A true CN104420135A (en) | 2015-03-18 |
| CN104420135B CN104420135B (en) | 2016-08-10 |
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| CN201310368352.8A Expired - Fee Related CN104420135B (en) | 2013-08-22 | 2013-08-22 | The back water discharge structure of a kind of drainage pump of washing machine and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106939499A (en) * | 2017-04-10 | 2017-07-11 | 青岛海尔滚筒洗衣机有限公司 | A kind of bull pump shell structure and washing machine |
| WO2018040908A1 (en) * | 2016-08-29 | 2018-03-08 | 青岛海尔滚筒洗衣机有限公司 | Anti-overflow structure of laundry machine and drum-type laundry machine |
| CN107957343A (en) * | 2017-11-23 | 2018-04-24 | 广东恒鑫智能装备股份有限公司 | Automatic tube drawing inhales residual water dispenser structure |
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| CN1566496A (en) * | 2003-06-17 | 2005-01-19 | 乐金电子(天津)电器有限公司 | Drum washing machine equipped with hose for discharging residual water |
| CN1746412A (en) * | 2005-09-30 | 2006-03-15 | 南京乐金熊猫电器有限公司 | Drain valve of drum washer with drain performance improvement |
| KR20080002469A (en) * | 2006-06-30 | 2008-01-04 | 주식회사 대우일렉트로닉스 | Exhaust apparatus for remainder of water and washing machine therewith |
| CN101168914A (en) * | 2006-10-25 | 2008-04-30 | 苏州三星电子有限公司 | Modified residual water discharging structure for washing machine drainage pump |
| KR20080088175A (en) * | 2007-03-29 | 2008-10-02 | 삼성전자주식회사 | Washing machine |
| CN203065830U (en) * | 2013-01-08 | 2013-07-17 | 苏州三星电子有限公司 | Residual water draining structure of roller washing machine |
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2013
- 2013-08-22 CN CN201310368352.8A patent/CN104420135B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1566496A (en) * | 2003-06-17 | 2005-01-19 | 乐金电子(天津)电器有限公司 | Drum washing machine equipped with hose for discharging residual water |
| CN1746412A (en) * | 2005-09-30 | 2006-03-15 | 南京乐金熊猫电器有限公司 | Drain valve of drum washer with drain performance improvement |
| KR20080002469A (en) * | 2006-06-30 | 2008-01-04 | 주식회사 대우일렉트로닉스 | Exhaust apparatus for remainder of water and washing machine therewith |
| CN101168914A (en) * | 2006-10-25 | 2008-04-30 | 苏州三星电子有限公司 | Modified residual water discharging structure for washing machine drainage pump |
| KR20080088175A (en) * | 2007-03-29 | 2008-10-02 | 삼성전자주식회사 | Washing machine |
| CN203065830U (en) * | 2013-01-08 | 2013-07-17 | 苏州三星电子有限公司 | Residual water draining structure of roller washing machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018040908A1 (en) * | 2016-08-29 | 2018-03-08 | 青岛海尔滚筒洗衣机有限公司 | Anti-overflow structure of laundry machine and drum-type laundry machine |
| CN106939499A (en) * | 2017-04-10 | 2017-07-11 | 青岛海尔滚筒洗衣机有限公司 | A kind of bull pump shell structure and washing machine |
| CN106939499B (en) * | 2017-04-10 | 2021-12-17 | 青岛海尔洗涤电器有限公司 | Double-end pump shell structure and washing machine |
| CN107957343A (en) * | 2017-11-23 | 2018-04-24 | 广东恒鑫智能装备股份有限公司 | Automatic tube drawing inhales residual water dispenser structure |
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| CN104420135B (en) | 2016-08-10 |
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