CN102505425B - A kind of draining pump with water sealing structure and the washing machine equipped with this draining pump - Google Patents
A kind of draining pump with water sealing structure and the washing machine equipped with this draining pump Download PDFInfo
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- CN102505425B CN102505425B CN201110341790.6A CN201110341790A CN102505425B CN 102505425 B CN102505425 B CN 102505425B CN 201110341790 A CN201110341790 A CN 201110341790A CN 102505425 B CN102505425 B CN 102505425B
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Abstract
The invention discloses a kind of draining pump with water sealing structure, the water inlet of draining pump is provided with water sealing structure, described water sealing structure is the reservoir chamber being provided with circular float valve, this circular float valve includes ball float and valve pocket, the top of described valve pocket communicates with the water inlet bottom urceolus, and described water inlet is less than floating ball diameter; Described valve pocket is at least provided with the discharge outlet leading to reservoir chamber in bottom and/or sidepiece, and described ball float moves up and down after being subject to buoyancy in valve pocket, it is achieved the unlatching/closedown of circular float valve. In addition, the invention also discloses a kind of washing machine equipped with this draining pump, the described draining pump with water sealing structure and washing machine thereof can effectively prevent laundry water inlet stylish enter water and backflow washings mixing, make the pathogenic bacteria grown in recirculation water, mycete enter in clothes, clothes is carried out secondary pollution. When can also effectively prevent into water, detergent is punched into urceolus and draining pump connecting tube, it is to avoid waste detergent simultaneously, improves and clean ratio.
Description
Technical field
The present invention relates to a kind of draining pump structure, be specifically designed a kind of draining pump with water sealing structure and the washing machine equipped with this draining pump.
Background technology
Present roller washing machine is because drain pipe, draining pump, urceolus, urceolus to pump drain pipe are linker structures, it is impossible to effectively realizes lower draining, is discharged to completely in sewer by the back water after washing. therefore roller washing machine substantially all adopts drainage pattern at present, drainage procedure just can discharge after water is risen to certain height, when draining pump quits work, water in drain pipe can reflux, cause the remaining a part of water of meeting in washing machine, when this part water retains in washing machine, will breed bacteria and mycete, wash clothes next time intake again stylish enter water will with original water mixing, the pathogenic bacteria grown in the water of original remaining, mycete will enter in clothes, clothes is polluted, along with people are more and more higher to the demand of environmentally-friendly sanitary, fundamentally avoid the angle that the washing machine secondary pollution to washings and the health to user are responsible for, a cleaning difficult problem for washing machine internal environment has been a problem in the urgent need to capturing.
Traditional roller washing machine, the drainage pattern adopted is all have discharge outlet in the bottom of urceolus, discharge outlet is connected to a scupper hose, draining pump is contained in the front lower portion of housing, by scupper hose, draining pump and urceolus are connected together, the external drain pipe of draining pump, drain pipe is suspended to eminence, so just can discharge water into certain height by draining pump, the height of general discharge outlet is at 60-120cm, the diameter of drain pipe is at about 25mm, the about 300-600ml of water of remaining in such drain pipe, left and right due to linker, these water may build up in the drain pipe bottom urceolus, even some water can in urceolus. these water are exactly maximum secondary pollution source. prior art has and is disclosed in urceolus and installs a ball float additional to the connection flexible pipe of draining pump, when draining pump quits work, ball float is shifted onto by buoyancy of water during water backflow in drain pipe the discharge outlet place of urceolus, blocks discharge outlet and prevent water Liu Dao inner core.
And technique scheme actually can not really prevent antibacterial mycete to be back in urceolus, because using in water inlet process in next time, owing in cylinder, the pressure of water can be higher than the pressure in drainage connecting pipe, therefore the position of ball float will change, the water of breed bacteria mycete will enter in urceolus, equally medicated clothing is carried out secondary pollution, and the position of program ball float is uncontrollable, along with the change location of water is change at random, therefore reality is difficult to play stagnant water effect.
In addition, China application CN200820036892.0 discloses the discharge structure of a kind of roller washing machine anti-return, export at draining pump outlet hose 1 and draining pump and between 2, anti-reflux valve 3 is set, this anti-reflux valve diameter is equal to the internal diameter of draining pump outlet, being connected with draining pump by fixture one end, the other end is connected with drain pipe. Washing machine when draining, due to the pressure of draining, makes the track along the outer tube 5 of anti-reflux valve of the diaphragm seal 4 in anti-reflux valve rise and naturally establish, forms a passage, make smooth draining after having washed. When draining stops, due to the pressure of water backflow in drain pipe, make interior pipe 6 outer rim of diaphragm seal 4 and anti-reflux valve closely cooperate, inner spout is sealed up, it is prevented that water is back in pipeline. Technique scheme can play the effect preventing washings from refluxing to a certain extent, but in structure and stagnant water effect, all to be improved and lifting.
In view of this special offer present invention.
Summary of the invention
The first object of the present invention is in that the technical problem overcoming existing washing machine structure to be difficult to solve washings backflow, by draining pump structure is improved, a kind of draining pump with water sealing structure is provided, with prevent laundry water inlet stylish enter water and backflow washings mixing, make the pathogenic bacteria grown in recirculation water, mycete enter in clothes, clothes is carried out secondary pollution.
For realizing the first purpose, the present invention adopts the following technical scheme that
A kind of draining pump with water sealing structure, the water inlet of draining pump is provided with water sealing structure, and described water sealing structure is the reservoir chamber being provided with circular float valve, and this circular float valve includes ball float and valve pocket, the top of described valve pocket communicates with the water inlet bottom urceolus, and described water inlet is less than floating ball diameter; Described valve pocket is at least provided with the discharge outlet leading to reservoir chamber in bottom and/or sidepiece, and described ball float moves up and down after being subject to buoyancy in valve pocket, it is achieved the unlatching/closedown of circular float valve.
It is provided with the discharge outlet leading to reservoir chamber bottom described valve pocket or is at least provided with the discharge outlet leading to reservoir chamber in the side of valve pocket.
The gross area of described discharge outlet is not less than water inlet.
After washing procedure starts, washings enter reservoir chamber from water inlet via circular float valve, and ball float rises to water inlet and closes circular float valve after being subject to buoyancy, make urceolus and draining pump isolation in washing process.
After washing procedure terminates, draining pump works, and the ball float of loss of buoyance declines and makes water inlet open thus opening circular float valve, and washings drain into reservoir chamber from water inlet via the discharge outlet of circular float valve and are pumped out; When draining pump quits work, recirculation water is full of reservoir chamber, and ball float rises to water inlet and closes circular float valve after being subject to buoyancy, makes urceolus and draining pump isolation under non-washing state.
Described reservoir chamber volume is 150-400ml, it is preferable that 300ml.
Described water inlet is provided with sealing ring.
Described water inlet is provided with defecator, and described defecator is grid or screen cloth, and the grid gap of grid is not less than 1mm, and sieve number is not more than 40 orders.
The second object of the present invention is in that the another kind of draining pump with water sealing structure of protection, water sealing structure is installed between draining pump and urceolus, described water sealing structure is the water check valve being arranged between draining pump and urceolus, and the opening time of described water check valve is no earlier than draining pump and starts the time; The shut-in time of water check valve is not later than the draining pump shut-in time.
Described water check valve and draining pump are the integrated design.
The third object of the present invention is in that to provide a kind of washing machine equipped with above-mentioned draining pump, and described washing machine is roller washing machine or rotary drum washing machine.
Make to terminate in detail further to draining pump structure of the present invention below in conjunction with accompanying drawing.
The invention provides a kind of draining pump with water sealing structure, by this water sealing structure effectively preventing laundry water inlet stylish enter water and backflow washings mixing, make the pathogenic bacteria grown in recirculation water, mycete will enter in clothes, clothes is carried out secondary pollution. When can also effectively prevent into water, detergent is punched into urceolus and draining pump connecting tube, it is to avoid waste detergent simultaneously, improves and clean ratio.
As one embodiment of the present invention, the water inlet at draining pump is provided with water sealing structure, and this water sealing structure is the reservoir chamber being provided with circular float valve. Circular float valve of the present invention is a kind of water check valve being made up of ball float and valve pocket, and it utilizes the buoyancy that ball float is produced by the water of reservoir chamber to change ball float in the position of valve pocket thus realizing the unlatching/closedown of self.
Water inlet below the pump head of described reservoir chamber connection draining pump and urceolus a, it is preferred to rectangle holds space. Circular float valve is arranged in reservoir chamber, it is preferable that be arranged between water inlet and pump head. As shown in Figure 1, the top of valve pocket communicates with water inlet, bottom valve pocket and/or sidepiece be provided with the discharge outlet leading to reservoir chamber, above-mentioned water inlet less than floating ball diameter, make ball float rise after can block water inlet completely; Described circular float valve at least bottom valve pocket and/or the side of valve pocket be provided with the discharge outlet leading to reservoir chamber. After float valve is opened, washings drain into reservoir chamber from water inlet via the discharge outlet of float valve, then are pumped by draining pump.
Specifically, ball float moves up and down after being subject to buoyancy in valve pocket, it is achieved the unlatching/closedown of circular float valve.
After washing procedure starts, washings enter reservoir chamber from water inlet via circular float valve, and ball float rises to water inlet and closes circular float valve after being subject to buoyancy, make urceolus and draining pump isolation in washing process.
After washing procedure terminates, draining pump works, and the ball float of loss of buoyance declines, and water inlet is opened thus opening circular float valve, and washings drain into reservoir chamber from water inlet via the discharge outlet of circular float valve and are pumped out; When draining pump quits work, recirculation water is full of reservoir chamber, and ball float rises to water inlet and closes circular float valve after being subject to buoyancy, makes urceolus and draining pump isolation under non-washing state.
The discharge outlet of described valve pocket, it is possible to be only arranged at bottom valve pocket, it is also possible to be provided only on the sidepiece of valve pocket, as long as meeting after ball float loss of buoyance leaves water inlet, washings can be discharged from discharge outlet. In order to obtain better drainage effect, the present invention can also arrange discharge outlet in sidepiece and the bottom of valve pocket simultaneously, in order to ensure the speed of draining as far as possible, is not less than water inlet with the gross area of discharge outlet and is advisable. The design of discharge outlet can adopt the various ways of prior art, as adopted 3-6 bar block reinforcement, or mesh-like structure etc., specifically the open function to be capable of circular float valve is as the criterion.
The size of valve pocket and the volume of ball float adapt, and make ball float move up and down in valve pocket after being subject to buoyancy. In the present invention, ball float then adopts existing technical scheme in prior art.
In order to ensure to wash terminate after the water of backflow be enough to floating to water inlet, ball float is closed circular float valve, realize Expected Results, the volume of reservoir chamber has been done specific aim research by the present invention, result shows, when reservoir chamber volume is 150-400ml, during preferred 300ml, can ensure that washing terminates rear recirculation water and can be closed by circular float valve, also can guarantee that washing machine structure is compact simultaneously.
In order to prevent the position that urceolus is connected with reservoir chamber to be likely to occur water leakage situation, the present invention is provided with sealing ring in water inlet. Being provided with defecator in water inlet, described defecator is grid or screen cloth, and the grid gap of grid is not less than 1mm, and sieve number is not more than 40 orders simultaneously. Concrete set-up mode is grasped by those skilled in the art.
As another embodiment of the invention, the draining pump with water sealing structure of the present invention, it is possible to installing water sealing structure between draining pump and urceolus, specifically this water sealing structure is the water check valve being arranged between draining pump and urceolus. this structure need not additionally arrange reservoir chamber, existing urceolus is adopted to connect draining pump and urceolus to pump drain pipe, now draining pump, urceolus is to pump drain pipe, outer drain pipe, urceolus is actually separated into two regions by water check valve, the size in two regions of separation is determined by the position of water check valve, because in draining pump work process, especially the water in urceolus by drained when, water is substantially discharged in outer drain pipe under being driven by the centrifugal force of drain pump impeller, therefore the position of water check valve can be arranged on the optional position between urceolus and draining pump, can be separate, can also be assembled in together, preferred from the compact of structure, water check valve and draining pump are designed to one, installation site is on urceolus, directly it is connected with urceolus discharge outlet, so effectively reduce back water to be back in urceolus.
Adopt this structure, owing to being no longer linker mode, therefore directly drain pipe can be put in insertion floor drain, thoroughly stop the possibility of back water backflow. Washing machine can realize drain function easily, can realize again lower drain function. Namely the work way of present embodiment controls the opening and closing time of this water check valve, makes the opening time of described water check valve be no earlier than draining pump and starts the time; The shut-in time of water check valve is not later than the draining pump shut-in time. When washing machine needs draining, first start draining pump, then open water check valve, make the water emptying being originally stored between outer drain pipe and water check valve, when draining terminates soon, first close water check valve, turn off draining pump, avoid producing recirculation water as far as possible.
Additionally, the present invention is also claimed a kind of washing machine equipped with above-mentioned draining pump, this washing machine both can be roller washing machine, it is also possible to be rotary drum washing machine. Owing to have employed the above two draining pump with water sealing structure, therefore, claimed washing machine can thoroughly solve recirculation water and causes the secondary pollution problem to medicated clothing. Present configuration is simple, cheap, suitable popularization and application.
Accompanying drawing explanation
The structural representation of Fig. 1 draining pump of the present invention;
The structural representation of Fig. 2 draining pump of the present invention;
Main element explanation
1 draining pump 2 reservoir chamber 3 ball float 4 valve pocket 5 water inlet 6 discharge outlet
The 7 urceolus 8 outer drain pipies of water check valve 9 drain pipe 10.
Detailed description of the invention
Embodiment 1
Draining pump 1 as shown in Figure 1, its water inlet is provided with water sealing structure, and this water sealing structure is the reservoir chamber 2 being provided with circular float valve. Circular float valve is the water check valve being made up of ball float 3 and valve pocket 4, and it utilizes the buoyancy that ball float 3 is produced by the water of reservoir chamber 2 to change ball float 3 in the position of valve pocket 4 thus realizing the unlatching/closedown of self.
Reservoir chamber 2 connects the water inlet 5 below the pump head of draining pump 1 and urceolus. Circular float valve is arranged in reservoir chamber 2. As shown in Figure 1, the top of valve pocket 4 communicates with water inlet 5, is provided with the discharge outlet 6 (being 6 non-closed block reinforcements) leading to reservoir chamber bottom valve pocket 4, and wherein water inlet 5 is less than ball float 3 diameter, makes ball float 3 can block water inlet 5 completely after rising. After circular float valve is opened, washings drain into reservoir chamber 2 from water inlet 5 via the discharge outlet 6 of circular float valve, then are pumped by draining pump 1.
After washing procedure starts, washings enter reservoir chamber 2 from water inlet 5 via circular float valve, and ball float 3 rises to water inlet 5 place and closes circular float valve after being subject to buoyancy, make urceolus and draining pump 1 in washing process completely cut off.
After washing procedure terminates, draining pump 1 works, and the ball float 3 of loss of buoyance declines, and water inlet 5 is opened thus opening circular float valve, and washings drain into reservoir chamber 2 from water inlet 5 via the discharge outlet 6 of circular float valve and are pumped out; When draining pump 1 quits work, recirculation water is full of reservoir chamber 2, and ball float 3 rises to water inlet 5 place and closes circular float valve after being subject to buoyancy, makes urceolus and draining pump 1 completely cut off.
Wherein discharge outlet 6 adopts 4 block reinforcements settings to form, and after ball float 3 leaves water inlet 5, washings are flowed out by the gap between block reinforcement, drain into reservoir chamber 2.
In the present embodiment, reservoir chamber volume is 300ml.
In order to prevent the position that urceolus is connected with reservoir chamber 2 to be likely to occur water leakage situation, the present embodiment is provided with sealing ring (not identifying in figure) at water inlet 5 place. Being provided with defecator (not identifying in figure) at water inlet 5 place, described defecator is screen cloth, and sieve number is not more than 40 orders simultaneously.
Draining pump in the present embodiment by water sealing structure effectively prevent laundry water inlet stylish enter water and backflow washings mixing, make the pathogenic bacteria grown in recirculation water, mycete will enter in clothes, clothes carried out secondary pollution. When can also effectively prevent into water, detergent is punched into urceolus and draining pump connecting tube, it is to avoid waste detergent simultaneously, improves and clean ratio.
Embodiment 2
Compared with embodiment 1, distinctive points is only that: in the present embodiment, the discharge outlet of valve pocket is positioned at the sidepiece of valve pocket. Defecator is grid, and the grid gap of grid is not less than 1mm.
Embodiment 3
Compared with embodiment 1, distinctive points is only that: in the present embodiment, the discharge outlet of valve pocket is positioned at bottom and the sidepiece of valve pocket.
Embodiment 4
As described in Figure 2, in the present embodiment, installing water sealing structure between draining pump 1 and urceolus 7, specifically this water sealing structure is the water check valve 8 being arranged between draining pump 1 and urceolus 7. urceolus to pump drain pipe 9 connects draining pump 1 and urceolus 7, now draining pump 1, urceolus is to pump drain pipe 9, outer drain pipe 10, urceolus 7 is actually separated into two regions by water check valve 8, the size in two regions of separation is determined by the position of water check valve 8, because in draining pump 1 work process, especially the water in urceolus 7 by drained when, water is substantially discharged in outer drain pipe 10 under being driven by the centrifugal force of draining pump 1 impeller, therefore the position of water check valve 8 can be arranged on the optional position between urceolus 7 and draining pump 1, the compactedness of structure, water check valve 8 and draining pump 1 are designed to one, installation site is on urceolus 7, directly it is connected with urceolus discharge outlet, so effectively reduce back water to be back in urceolus 7.
Adopt this structure, owing to being no longer linker mode, therefore directly outer drain pipe 10 can be put in insertion floor drain, thoroughly stop the possibility of back water backflow. Washing machine can realize drain function easily, can realize again lower drain function. Namely the work way of present embodiment controls the opening and closing time of this water check valve 8, makes the opening time of described water check valve 8 be no earlier than draining pump 1 and starts the time; The shut-in time of water check valve 8 is not later than draining pump 1 shut-in time. When washing machine needs draining, first start draining pump 1, then open water check valve 8, make originally to be stored in the water emptying between outer drain pipe 10 and water check valve 8, when draining terminates soon, first close water check valve 8, turn off draining pump 1, avoid producing recirculation water as far as possible.
Embodiment 5
A kind of roller washing machine, including the draining pump described in inner core, urceolus, driving device and embodiment 1.
Embodiment 6
A kind of rotary drum washing machine, including the draining pump described in interior bucket, outer barrel, driving device and embodiment 2.
Embodiment in above-described embodiment can combine further or replace; and embodiment is only that the preferred embodiments of the present invention are described; not the spirit and scope of the present invention are defined; under the premise without departing from design philosophy of the present invention; the various changes and modifications that in this area, technical scheme is made by professional and technical personnel, belong to protection scope of the present invention.
Claims (7)
1. the draining pump with water sealing structure, it is characterized in that: the water inlet at draining pump is provided with water sealing structure, described water sealing structure is the reservoir chamber being provided with circular float valve, this circular float valve includes ball float and valve pocket, the top of described valve pocket communicates with the water inlet bottom urceolus, and described water inlet is less than floating ball diameter; Described valve pocket is at least provided with the discharge outlet leading to reservoir chamber in bottom and/or sidepiece, and described ball float moves up and down after being subject to buoyancy in valve pocket, it is achieved the unlatching/closedown of circular float valve.
2. draining pump according to claim 1, it is characterized in that: after washing procedure starts, washings enter reservoir chamber from water inlet via circular float valve, and ball float rises to water inlet and closes circular float valve after being subject to buoyancy, make urceolus and draining pump isolation in washing process.
3. draining pump according to claim 1, it is characterized in that: after washing procedure terminates, draining pump works, and the ball float of loss of buoyance declines and makes water inlet open thus opening circular float valve, and washings drain into reservoir chamber from water inlet via the discharge outlet of circular float valve and are pumped out; When draining pump quits work, recirculation water is full of reservoir chamber, and ball float rises to water inlet and closes circular float valve after being subject to buoyancy, makes urceolus and draining pump isolation under non-washing state.
4. the draining pump according to any one of claim 1-3, it is characterised in that: described reservoir chamber volume is 150-400mL.
5. the draining pump according to any one of claim 1-3, it is characterised in that: described water inlet is provided with sealing ring.
6. the draining pump according to any one of claim 1-3, it is characterised in that: described water inlet is provided with defecator, and described defecator is grid or screen cloth, and the grid gap of grid is not less than 1mm, and sieve number is not more than 40 orders.
7. one kind equipped with the washing machine of draining pump as described in any one of claim 1 to 6, it is characterised in that: described washing machine is rotary drum washing machine or roller washing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110341790.6A CN102505425B (en) | 2011-11-02 | 2011-11-02 | A kind of draining pump with water sealing structure and the washing machine equipped with this draining pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110341790.6A CN102505425B (en) | 2011-11-02 | 2011-11-02 | A kind of draining pump with water sealing structure and the washing machine equipped with this draining pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102505425A CN102505425A (en) | 2012-06-20 |
| CN102505425B true CN102505425B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110341790.6A Active CN102505425B (en) | 2011-11-02 | 2011-11-02 | A kind of draining pump with water sealing structure and the washing machine equipped with this draining pump |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858708A (en) * | 2015-04-11 | 2015-08-26 | 温州日丰科技有限公司 | Numerical control lathe automatic water adding system |
| DE102015224657A1 (en) * | 2015-12-09 | 2017-06-14 | BSH Hausgeräte GmbH | Method for operating a household appliance and household appliance |
| CN109208271B (en) * | 2017-07-07 | 2023-12-12 | 天津海尔洗涤电器有限公司 | Draining pump and washing machine using same |
| CN112878004B (en) * | 2021-01-07 | 2022-12-30 | 海信冰箱有限公司 | Washing machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3490242B2 (en) * | 1997-02-20 | 2004-01-26 | 株式会社キッツ | Ball check valve |
| CN1145726C (en) * | 1998-06-30 | 2004-04-14 | 大宇电子有限公司 | Drum type washing machine having pump integrally formed with filter |
| CN2519810Y (en) * | 2001-12-07 | 2002-11-06 | 博西威家用电器有限公司 | Siphon proof device for washing machine |
| CN201040871Y (en) * | 2006-12-30 | 2008-03-26 | 赵放之 | Deodorization anti-overflow device for downcast pipe |
| CN100570156C (en) * | 2008-06-20 | 2009-12-16 | 大庆油田力神泵业有限公司 | Self-refluxing single flow valve for oil-submersible electric pump |
| KR101162219B1 (en) * | 2009-07-01 | 2012-07-04 | 엘지전자 주식회사 | Controlling Method of a Laundry Machine |
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Effective date of registration: 20160706 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Patentee after: Qingdao Haier Drum 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 Drum Washing Machine Co., Ltd. |