CN102154804B - The drain assembly of a kind of band filter screen and the washing machine equipped with drain assembly - Google Patents
The drain assembly of a kind of band filter screen and the washing machine equipped with drain assembly Download PDFInfo
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- CN102154804B CN102154804B CN201110028285.6A CN201110028285A CN102154804B CN 102154804 B CN102154804 B CN 102154804B CN 201110028285 A CN201110028285 A CN 201110028285A CN 102154804 B CN102154804 B CN 102154804B
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Abstract
The invention discloses the drain assembly of a kind of band filter screen and equipped with the washing machine of drain assembly, including drain valve, intake antrum, valve plug chamber and drain chamber, between described intake antrum and valve plug chamber, be additionally provided with filter chamber, in filter chamber, be provided with a filter screen that can collect foreign body.This filter screen can effectively interception line bits, coin, etc. foreign body, it is to avoid drain assembly occur blocking, and can in time by filter screen taking-up it is carried out.When washing machine places function element between inner/outer tube, by filter screen, function element can be collected, greatly facilitate the recovery of user.Owing to filter chamber is arranged in drain assembly, therefore, save space, also reduce production cost simultaneously, be conducive to promoting the use of.
Description
Technical field
The present invention relates to washing machine field, the drain assembly particularly to a kind of band filter screen and the washing machine equipped with this drain assembly.
Background technology
The washing machine of prior art generally arranges an angle valve at the outer bottom of steel ladle and controls draining, at the valve plug intracavity that axis is approximate horizontal, the valve plug driven by valve rod be positioned at one substantially the plane of vertical valve seat outlet meet mutually, be the approximate horizontal intake antrum of axis before valve seat outlet, valve seat is valve plug chamber after exporting and passes through mutually with valve plug chamber and drain chamber that axis substantially vertical is downward；When flap separates with valve seat, current substantially horizontally flow to valve seat from intake antrum, turn downwards, flow to drain chamber import, be then discharged out after valve seat outlet enters valve plug chamber；Then constitute sealing during joint, stop draining.
It is a known problem that, coin one class foreign material fall into the bottom of washing tub in laundry processes, can enter drain valve when draining with current and can stop in valve seat outlet, cause the fault stoping flap to reset toward valve base sealing.Foreign body is in washing process simultaneously, owing to the abrasion of foreign body has a large amount of fibre shedding, submerged, i.e. substantially increases line bits catcher, and the fiber in water also cannot be collected clean by washing machine.So, still there is a large amount of fiber with current through drain valve during draining.The gap opened due to drain valve probably only has about 10mm, line bits to be easy to hang on the burr of valve body or staving, and after long-time accumulation, line bits are cumulative, ultimately result in blocking.In addition, for some with the washing machine of additional function, such as the washing machine with self-cleaning function, it adds little cleaning element in washing machine between outer barrel, need after using a period of time to be cleaned cleaning element processing, accordingly, it would be desirable to existing drain pipe and drain valve carry out structure improvement, thus provide one can play collecting action the collecting part that can freely dismantle.
Prior art mainly takes measures in the upstream of drain valve, coin one class foreign material are avoided to enter drain valve, as state application for a patent for invention CN1566501A discloses a kind of roller washing machine with foreign matter collection box, it is provided with foreign matter collection box on the drain pipe of roller washing machine, so that before the washings of outer barrel discharge are flowed into plunger valve housing, collect coins or foreign body that the volume of button etc is bigger, so that the action of drain motor or plunger valve is more flexible.It the technical scheme is that the composition of roller washing machine foreign matter collection box includes: is connected to the drain pipe of the bottom of outer barrel；It is arranged at one end of drain pipe, drain motor drives the plunger valve housing of plunger valve；Drawing scupper hose from the lower section of plunger valve housing, arrange foreign matter collection box in the bottom of drain pipe, foreign matter collection box is arranged at the front of plunger valve housing, makes the washings that outer barrel is discharged after foreign matter collection device, enters plunger valve housing.Owing to arranging foreign matter collection box on the position before entering plunger valve at washings, within thus prevention foreign body enters plunger valve or motor, such that it is able to prevent washing machine from breaking down.But owing to above-mentioned foreign matter collection box is provided in drain valve Upstream section, therefore, it needs additionally to take up room, and when foreign body is more, can block drain pipe if can not take out in time, causes the drain function of washing machine to be obstructed.Especially can not meet the washing machine being placed with cleaning element between interior outer barrel.
In view of this, the special proposition present invention.
Summary of the invention
The first object of the present invention is to provide a kind of drain assembly with filter screen, for realizing the first object of the present invention, adopts the following technical scheme that
The drain assembly of a kind of band filter screen, including drain valve, intake antrum, valve plug chamber and drain chamber, is additionally provided with filter chamber between described intake antrum and valve plug chamber, be provided with a filter screen that can stop or collect foreign body in filter chamber.
Described intake antrum, filter chamber and the most L-shaped setting in valve plug chamber, wherein filter chamber side vertically communicates with valve plug chamber, and opposite side is provided with the filter cover of an energy free switch.
Described filter screen and filter cover use detachable fixing be connected.
Described foreign body includes cleaning the flexible particle between washing machine inner/outer tube, coin and line bits.
Described filter screen is at least provided with the grid that can intercept flexible particle in the side near valve plug chamber；
Preferably described filter screen is cylinder or the cuboid being at least provided with the grid that can intercept flexible particle in the side near valve plug chamber, and the structure of filter screen is squirrel-cage, grid type；
Exporting, with filter chamber, the flat filter screen adapted sized by more preferably described filter screen, described filter screen is fixed in filter cover removably by least 1 support.
Described filter screen is at least provided with the grid that can intercept flexible particle in the side near intake antrum；
Preferably described filter screen is at least to be provided with the squirrel-cage cylinder of the grid that can intercept flexible particle, grid type cylinder or flat filter screen in the side near intake antrum；
The more preferably described cylinder that filter screen is squirrel-cage, is 0.4-0.8cm, preferably 0.6cm near adjacent two twine spacings h in intake antrum side；
Or the cylinder that described filter screen is grid type two bottom surface opening, near the area 0.01cm of intake antrum one side screen online lattice2≤ s ＜ 1cm2, preferably s is 0.64cm2。
Below in conjunction with the accompanying drawings the drain assembly of the present invention is further introduced.
As it is shown in figure 1, drain assembly includes drain valve, intake antrum, valve plug chamber and drain chamber in the present invention, between described intake antrum and valve plug chamber, it is additionally provided with filter chamber, in filter chamber, is provided with a filter screen that can collect or stop foreign body.Wherein drain valve can use the drain valve that any one of prior art it will be appreciated by those skilled in the art that.As by valve rod or Magnet or the drain valve of spring body control valve plug, the draining valve body that the present invention uses includes valve plug, valve body, valve gap and valve rod.Described valve rod is connected with electro-motor, and when washing machine is in non-displacement condition, valve plug chamber is blocked by valve rod control valve plug, and water cannot drain into water chamber from intake antrum；When washing machine needs to carry out drain operation, valve plug is pulled open by system control valve bar, and water enters filter chamber from intake antrum, discharges from drain chamber via behind valve plug chamber.
In the present invention, intake antrum, filter chamber are sequentially connected with L-shaped setting with valve plug chamber, wherein filter chamber side communicates with valve plug chamber, opposite side is provided with the filter cover of an energy free switch, filter cover can be connected with filter chamber in several ways, and those skilled in the art can be to select any one attainable mode in prior art.The preferred filter cover of the present invention is screwed by screw thread with filter chamber.In order to ensure the sealing of junction, add sealing ring in filter chamber and filter cover contact position.Described filter screen can be taken out from filter chamber by filter cover.When the water with foreign body drains into filter chamber by intake antrum, different according to the embodiment of filter screen, in foreign body can be collected in filter screen or intercept in intake antrum.Wherein filter screen is preferably detachably secured with filter cover and is connected.When needing to take out filter screen, directly open filter cover, take out and the filter screen of filter cover one, filter screen is cleaned after disassembling waiting processing.
Filter screen main uses of the present invention is to intercept foreign body, and foreign body herein mainly includes the flexible particle etc. playing cleaning action between line bits, coin, inner/outer tube.The following two kinds embodiment is devised according to the collection position present invention that foreign body is final:
Scheme one: ensure that at least filter screen is provided with the grid that can intercept flexible particle near the side of filter chamber.Foreign body can enter filter chamber, but can not drain into valve plug chamber from filter chamber, can only be collected in filter screen.When user needs to clear up filter screen, filter cover can be opened and extract filter screen out, by foreign body from filter screen.Filter screen can be uncovered near the side of filter cover, it is also possible to arranges an openable opening, meets the purpose of foreign body.Described filter screen can be cylinder or the cuboid that the side at least adjacent to valve plug chamber has grid, and the structure of filter screen is squirrel-cage, grid type.Exporting, with filter chamber, the flat filter screen adapted sized by preferably described filter screen, described filter screen is fixed in filter cover removably by least 1 support.After draining terminates, open filter cover by filter screen pull out during, be collected in the foreign body in filter screen or filter chamber and just can take out together along with filter screen.The filter screen of this structure is particularly suited for the washing machine of band self-cleaning function, can be cleaned flexible particle the most easily and replace, conveniently recycle.
Scheme two: ensure that at least filter screen has the grid that can intercept flexible particle near the side of intake antrum, after foreign body enters intake antrum, filter chamber cannot be entered through filter screen and be intercepted in intake antrum, this embodiment can effectively prevent the foreign body (or functional particulate) because filter chamber narrow space causes from choking, blocking, and affects the proper drainage of washing machine.The implementation of this filter screen can be multiple, as for having the squirrel-cage cylinder of grid, grid type cylinder or flat filter screen at least adjacent to the side of intake antrum, two bottom surfaces of cylindrical shape filter screen can equal openings or only near a side opening of filter cover, and arrange near filter chamber side and can filter line bits and do not affect the thin flat filter screen of draining.Cylindrical sidewall can only retain the part that intake antrum outlet is corresponding, meets the purpose that can be intercepted in intake antrum by flexible particle.More suitably, this filter screen is the cylinder of squirrel-cage, is 0.4-0.8cm, preferably 0.6cm near adjacent two twine spacings h in intake antrum side；Or the cylinder that described filter screen is grid type two bottom surface opening, near the area 0.01cm of intake antrum one side screen online lattice2≤ s ＜ 1cm2, preferably s is 0.64cm2.Under above-mentioned size, the effect of certain interception line bits can be played, it is also possible to for coin through filter screen, and bring back coin by the way of taking out filter screen, more crucial, it is possible to flexible particle is intercepted in intake antrum, it is to avoid in dehydration, flexible particle floats in water with inner cylinder rotating, causes the loss of noise and washing machine.
In the present invention, the structure of filter screen can be various, only need to meet and can intercept flexible particle near the side of valve plug chamber or intake antrum, and any one of those skilled in the art's option prior art filter screen reappears the present invention.
Using technique scheme, the present invention can the effective foreign body such as interception line bits, coin, it is to avoid blocking occurs in drain assembly, and filter screen taking-up can be carried out it in time.When washing machine places function element between inner/outer tube, can be collected by filter screen, greatly facilitate the recovery of user.Owing to filter chamber is arranged in drain assembly, therefore, save space, also reduce production cost simultaneously, be conducive to promoting the use of.
The second object of the present invention is to provide a kind of washing machine, and this washing machine is equipped with above-mentioned drain assembly, additionally, for the cleaning problems to solve in washing machine between outer barrel, the present invention places between outer barrel less than the flexible particle in gap between interior outer barrel in washing machine.In order to realize the second object of the present invention, adopt the following technical scheme that
A kind of washing machine, including interior bucket and outer barrel, described washing machine is equipped with drain assembly as above.
Multiple flexible particle it is provided with between outer barrel in described washing machine, laundering process drive flexible particle to clash into by current and cleaning that friction inner and outer barrel wall realizes in washing machine between outer barrel, after cleaning terminates, washings are discharged from drain assembly, and flexible particle is collected in intake antrum or filter chamber.
Described outer barrel of washing machine lid is provided with openable flexible particle dispensing port.
Described flexible particle has foaming structure, and has immersion character, and after flexible particle immersion, its density is close with water, freely can move about with current in washing machine between outer barrel.
The material of described flexible particle is bipeltate, foamed plastic or foaming composite polyurethane, is mixed with inorganic metal ion antimildew and antibacterial agent in material, and its content is the 2%-6% of material weight, preferably 4%.
It is to have used for reference bucket in the friction of washings in interior bucket to make it will not the principle of bind dirt breed bacteria that the present invention places flexible particle with cleaning inner and outer barrel wall between inner/outer tube.The outer barrel lid of washing machine is provided with openable opening, between inside outer barrel, places flexible particle.
In the present invention, flexible particle can be the material of sponge kind, it is also possible to be rubber or plastic foamed thing.Such as bipeltate, foamed plastic, foaming composite polyurethane, it has certain elasticity, and under drying regime, its density is less than water, has waterlogged character, low price, can directly throw away after using repeatedly in water.
Clean between interior outer barrel owing to the size and number of flexible particle directly affects, the size and number of flexible particle has been done substantial amounts of screening test by inventor, result shows, the shape of flexible particle can be spherical, column, strip, irregular, the width of flexible particle is d, level interval between interior outer barrel is the preferred 0.4D≤d of D, 0.2D≤d≤0.9D≤0.7D.Now the cleaning force of flexible particle can reach optimum state, and the flexible particle of this size both will not be stuck at the dewatering hole of interior bucket, and can flow freely between interior outer barrel, and the quantity of flexible particle arranges scientific and reasonable in addition, and the volume making flexible particle is V1, the volume between interior outer barrel is V2, as 1245≤V2/V1≤ 4500 and the cumulative volume V of flexible particleAlwaysFor V21/,200 1/50, the preferably cumulative volume V of flexible particleAlwaysFor V21/150-1/100.The flexible particle of this quantitative range can fully clash into and rub washing machine inner tub, it is achieved cleaning between outer barrel in washing machine.As a example by conventional 5kg rotary drum washing machine, the volume of flexible particle is 1cm3-10cm3, quantity is 20-40 and i.e. can reach preferable cleaning effect.
Placing after flexible particle, in washing procedure, flexible particle moves along with current between interior outer barrel, and it collides with inner and outer barrel wall, by the shock of bucket wall and friction thus realize cleaning the purpose of inner and outer barrel wall.In rotary drum washing machine washing process, water movement pattern is the impeller rotation drive water movement of bottom of the barrel, water movement above impeller drives the water movement bottom impeller, circulation due to liquid, current between whole interior outer barrel are all along with motion, so its basic exercise form is all current in bottom of the barrel flows into bucket, interior bucket flow direction median moves, causes the rising of interior bucket middle water level, current flow at the water surface in the middle of outer barrel.In existing structure, impeller is equipped with the lint filter of 1-2 on impeller wall, extend between interior outer barrel bottom it.During foreign body washing, the current with wired bits can be flowed in lint filter and then play the effect filtering line bits along lint filter mouth.After placing flexible particle between interior outer barrel, flexible particle can flow to water inlet under lint filter along with current.Owing to flexible particle has certain width, and its weight is the lightest, it is easy to be stuck in water inlet under lint filter, on the one hand affects line bits collecting effect, and still further aspect cannot realize the function of the interior bucket outer wall outer barrel inwall of itself cleaning.So present invention water inlet under lint filter, the list structure or the network structure that are provided with evagination are stuck in water inlet under lint filter, preferably list structure with prevention flexible particle.
In addition being additionally provided with network interface card at outer barrel of washing machine bottom discharge mouth pipeline, when washing procedure terminates to need draining, network interface card is in closure state, and in stoping, in bucket, flexible particle flows out washing machine.The mesh of this network interface card is less than flexible particle, to prevent less flexible particle from flowing out washing machine through mesh under the drive of current.
Washing machine rinses after terminating for the last time, and the flexible particle between interior outer barrel drains into drain assembly along with current, and is deposited in intake antrum or filter chamber, after drainage procedure terminates, filter cover outside opened filter chamber, take out filter screen, and to filter screen intercept flexible particle be carried out wait process.Flexible particle after process can be put into washing machine at outer bung in subsequent wash and again recycle.
The use of flexible particle in this invention, can carry out selecting to use frequency according to the frequency of washing clothes and degree of fouling.When washing clothes frequency ratio is more, or when washing clothes is messy, it is proposed that each week at least uses once.Without special requirement, it is also possible within one month or three months, use once, can use according to the use habit of user.
After foreign body washing, it will usually having some dirts to stick to the surface of bucket, adding suitable temperature and humidity just becomes bacteria breed hotbed, if antibacterial can not kill in time, will adhere on foreign body after washing, form secondary pollution, be detrimental to health.Therefore in the present invention, flexible particle can reach the function of antibacterial and mouldproof by adding the inorganic metal ions such as silver, zinc, copper in the material, and wherein the content of inorganic metal ion is the 2%-6% of flexible particle material weight, and preferably 4%.
When washing due to foreign body, the frequency of washing machine rotating, number of times, certain impact is all there is in the time paused on the cleaning action of flexible particle, therefore the impact of flexible particle has been made great many of experiments by the relevant parameter of foreign matter washing procedure by inventor, research shows, after washing procedure starts, after the initial velocity of impeller uses the low velocity operating 2-3s of 30rpm-50rpm per minute, circulating water flow type of drive is used to carry out washing the motion of foreign body upset, this circulating water flow drives and includes, first use speed high, the strong current of time length drive mode of washing, these strong current are to turn 0.8s to stop 0.1s according to the size of load, or turning 0.9s stops 0.1s；Or turn 1.0s and stop the combination in any current of 0.1s or range above, speed is 70rpm-100rpm per minute；Then carrying out speed low time short balance current to drive, these balance current are to turn 0.5s to stop 0.1s according to the size of load, or turn 0.6s and stop 0.1s, or the combination of other weak current, and speed is 50rpm-70rpm per minute.Under this washing mode, flexible particle to the shock of bucket wall and the dynamics of friction and frequency all in an optimum state, flexible particle does not haves the most violent friction yet and causes the surface of flexible particle to fall the phenomenons such as bits, the cleaning function of flexible particle can obtain best performance, and its service life also can get the greatest degree of optimization.
Using technique scheme, user's alternative uses the cleaning procedure between inner/outer tube, and in cleaning process, the washing process on foreign body does not produce any impact.The design science of flexible particle, while having cleaning function, moreover it is possible to plays the effect of sterilizing, flexible particle low price, and can be recycled by the recovery of above-mentioned filter screen, use process noiselessness, and can be to carrying out omnibearing thorough cleaning between the interior outer barrel of washing machine.Additionally, claimed washing machine without doing big improvement, simple in construction to existing structure.
Accompanying drawing explanation
The structural representation of Fig. 1 drain assembly of the present invention
The structural representation of Fig. 2 filter screen of the present invention
The A-A sectional view of Fig. 3 Fig. 2
The schematic diagram of Fig. 4 filter screen of the present invention
The structural representation of Fig. 5 washing machine of the present invention
Main Reference component description
1 intake antrum 2 filter chamber 3 valve plug chamber 4 water chamber 5 filter screen 6 filter cover 7 sealing ring 8 valve plug 9 valve body 10 valve gap 11 valve rod 12 washing machine 13 flexible particle dispensing port 14 flexible particle
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in more detail.
Embodiment 1
As it is shown in figure 1, drain assembly includes drain valve, intake antrum 1, valve plug chamber 3 and water chamber 4 in the present invention, between intake antrum 1 and valve plug chamber 3, it is additionally provided with filter chamber 2, in filter chamber 2, is provided with a filter screen 5 that can collect foreign body.Draining valve body includes valve plug 8, valve body 9, valve gap 10 and valve rod 11.Described valve rod 11 is connected with electro-motor, and when washing machine is in non-displacement condition, valve plug chamber 3 is blocked by valve rod 11 control valve plug 8, and water cannot drain into water chamber 4 from intake antrum 1；When washing machine needs to carry out drain operation, valve plug 8 is pulled open by system control valve bar 11, and water enters filter chamber 2 from intake antrum 1, discharges from water chamber 4 via behind valve plug chamber 3.
Intake antrum 1, filter chamber 2 are sequentially connected with L-shaped setting with valve plug chamber 3, and wherein the side of filter chamber 2 communicates with valve plug chamber 3, and opposite side is provided with the filter cover 6 of an energy free switch, and filter cover 6 is screwed by screw thread with filter chamber 2.In order to ensure the sealing of junction, add sealing ring 7 in filter chamber 2 and filter screen 5 lid contact position.When the water with foreign body drains into filter chamber 2 by intake antrum 1, foreign body can be collected in filter screen 5 or filter chamber 2.Wherein filter screen 5 is detachably secured with filter screen 5 lid and is connected.When needing to take out filter screen 5, directly open filter cover 6, taking-up and filter cover 6 and the filter screen 5 with filter cover 6 one, filter screen 5 is cleaned after disassembling waiting processing.
As shown in Figure 4, exporting, with filter chamber 2, the flat filter screen 5 adapted sized by filter screen 5, it is fixed in filter cover removably by 2 supports.After draining terminates, open during filter screen 5 pulls out by filter cover 6, be collected in the foreign body in filter screen 5 or filter chamber 2 and just can take out together along with filter screen 5.The filter screen 5 of this structure is particularly suited for the washing machine of band self-cleaning function, can be cleaned flexible particle 14 the most easily and replace, conveniently recycle.
Embodiment 2
Compared with Example 1, distinctive points is only that, filter screen 5 is the squirrel-cage cylinder with grid, and its adjacent two twine spacings h near the side of filter chamber 2 are 0.6cm, after draining terminates, in flexible particle 14 can be intercepted at filter chamber 2, cannot be introduced into water chamber 4.
Embodiment 3
Compared with Example 1, distinctive points is only that, filter screen 5 is the grid type cylinder with grid, and its grid area near the side of filter chamber 2 is less than 0.64cm2。
Embodiment 3
Compared with Example 1, distinctive points is only that, compared with Example 1, distinctive points is only that, filter screen 5 is the grid type cylinder with grid, and its grid area near the side of filter chamber 2 is less than 1cm2.
Embodiment 5
Compared with Example 2, distinctive points is only that, this filter screen 5 is the squirrel-cage cylinder with grid, and its adjacent two twine spacings h near the side of filter chamber 2 are 0.8cm, after draining terminates, in flexible particle 14 can be intercepted at filter chamber 2, cannot be introduced into water chamber 4.
Embodiment 6
Compared with Example 1, distinctive points is only that, the filter structure in the present embodiment is as follows:
As in figure 2 it is shown, filter screen 5 is the cylinder of squirrel-cage, it is 0.6cm near adjacent two twine spacings h in intake antrum 1 side.This filter screen 5 can play the effect of certain interception line bits, it is also possible to for coin through filter screen 5, and bring back coin by the way of taking out filter screen 5, more crucial, can flexible particle 14 be intercepted in intake antrum 1, avoiding in dehydration, flexible particle 14 floats in water with inner cylinder rotating, causes the loss of noise and washing machine.
Embodiment 7
Compared with Example 6, distinctive points is only that, filter screen 5 is the cylinder of grid type two bottom surface opening, the area s ＜ 1cm of grid on intake antrum 1 one side screen 52。
Embodiment 8
Compared with Example 7, distinctive points is only that, filter screen 5 is the cylinder of grid type two bottom surface opening, the area s ＜ 0.81cm of grid on intake antrum 1 one side screen 52。
Embodiment 9
Compared with Example 6, distinctive points is only that, filter screen 5 is the flat filter screen near the side of intake antrum 1 with grid.The area of grid is less than 0.64cm2。
Embodiment 10
As it is shown in figure 5, the washing machine 12 of the present invention includes washing machine body, and the flexible particle 14 being placed in washing machine between outer barrel.The outer barrel lid of washing machine 12 is provided with openable flexible particle dispensing port 13, between inside outer barrel, places width d less than the flexible particle 14 of space D between interior outer barrel.Washing machine bottom is equipped with the drain assembly of embodiment 1.After cleaning terminates, washings are discharged from drain assembly, and flexible particle 14 is collected in intake antrum 1 or filter chamber 2.
Flexible particle 14 is the bipeltate with immersion character, is mixed with silver ion antimildew and antibacterial agent in bipeltate, and its content is the 4% of material.The spherical shape being shaped as differing in size of flexible particle 14, the magnitude range of its diameter d is between interior outer barrel 0.4-0.7 times of space D, and quantity is 15-25.Flexible particle 14 surface has and multiple is available for the foam hole 7 that current are logical, and in washing process, when water flows through flexible particle 14 by foam hole 7, the silver ion antimildew and antibacterial agent in flexible particle 14 can effectively suppress or kill antibacterial in water.
After washing procedure starts, driven by current in laundering process between the interior outer barrel of washing machine 12, place the cleaning that multiple flexible particle 14 clashes into and the inner and outer barrel wall that rubs realizes in washing machine between outer barrel.When washing starts, after the initial velocity of impeller uses the low velocity operating 2-3s of 30rpm-50rpm per minute, circulating water flow type of drive is used to carry out washing the motion of medicated clothing upset, this circulating water flow drives and includes, first use speed high, the strong current of time length drive mode of washing, and these strong current are to turn 0.8s to stop 0.1s according to the size of load, or turning 0.9s stops 0.1s；Or turn 1.0s and stop the combination in any current of 0.1s or range above, speed is 70rpm-100rpm per minute；Then carrying out speed low time short balance current to drive, these balance current are to turn 0.5s to stop 0.1s according to the size of load, or turn 0.6s and stop 0.1s, or the combination of other weak current, and speed is 50rpm-70rpm per minute.
Washing machine 12 rinses after terminating for the last time, flexible particle between interior outer barrel drains into drain assembly along with current, and be deposited in intake antrum 1 or filter chamber 2, after drainage procedure terminates, filter cover 6 outside opened filter chamber 2, take out filter screen 5, and to filter screen 5 intercept flexible particle 14 be carried out wait process.Flexible particle 14 after process flexible particle dispensing port 13 at outer bung can be put into washing machine and again recycles in subsequent wash.
Embodiment 11
Compared with Example 10, distinctive points is only that:
Flexible particle 14 is the foamed plastic with immersion character, is mixed with zinc ion antimildew and antibacterial agent in foamed plastic, and its content is the 2% of material.Being shaped as of flexible particle 14 is irregularly shaped, and the magnitude range of its width d is between interior outer barrel 0.7-0.9 times of space D, and quantity is 12-20.The surface of flexible particle 14 has and multiple is available for the foam hole 7 that current are logical, in washing process, and the antibacterial that when water flows through flexible particle 14 by foam hole 7, the zinc ion antimildew and antibacterial agent in flexible particle 14 can effectively suppress or kill in water.
After washing procedure starts, driven by current in laundering process between the interior outer barrel of washing machine 12, place the cleaning that multiple flexible particle 14 clashes into and the inner and outer barrel wall that rubs realizes in washing machine between outer barrel.
Embodiment 12
Compared with Example 10, distinctive points is only that:
Flexible particle 14 is the foaming composite polyurethane with immersion character, is mixed with zinc ion antimildew and antibacterial agent in foaming composite polyurethane, and its content is the 6% of material.The prism-shaped being shaped as differing in size of flexible particle 14, the magnitude range of its width d is between interior outer barrel 0.2-0.6 times of space D, and its quantity is 25-35.The surface of flexible particle 14 has and multiple is available for the foam hole 7 that current are logical, in washing process, and the antibacterial that when water flows through flexible particle 14 by foam hole 7, the zinc ion antimildew and antibacterial agent in flexible particle 14 can effectively suppress or kill in water.
Embodiment 13
Compared with Example 10, distinctive points is only that:
Flexible particle 14 is the foaming composite polyurethane with immersion character, is mixed with zinc ion antimildew and antibacterial agent in foaming composite polyurethane, and its content is the 5% of material.Being shaped as of flexible particle 14 is cylindric, and the magnitude range of its width d is between interior outer barrel 0.7-0.9 times of space D, and quantity is 15-25.The surface of flexible particle 14 has and multiple is available for the foam hole 7 that current are logical, in washing process, and the antibacterial that when water flows through flexible particle 14 by foam hole 7, the zinc ion antimildew and antibacterial agent in flexible particle 14 can effectively suppress or kill in water.
Embodiment 14
Compared with Example 10, distinctive points is only that:
Flexible particle 14 is the foaming composite polyurethane with immersion character, is mixed with copper ion antimildew and antibacterial agent in foaming composite polyurethane, and its content is the 5% of material.Flexible particle be shaped as strip, its width d is between interior outer barrel 0.2-0.9 times of space D, and its quantity is 20-30.The surface of flexible particle 14 has and multiple is available for the foam hole 7 that current are logical, in washing process, and the antibacterial that when water flows through flexible particle 14 by foam hole 7, the copper ion antimildew and antibacterial agent in flexible particle 14 can effectively suppress or kill in water.
Embodiment in above-described embodiment can be further combined or replace; and embodiment is only to be described the preferred embodiments of the present invention; not the spirit and scope of the present invention are defined; on the premise of 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 (12)
1. a drain assembly for band filter screen, including drain valve, intake antrum, valve plug chamber and drain chamber, it is characterised in that be additionally provided with filter chamber between described intake antrum and valve plug chamber, is provided with a filter screen that can stop or collect foreign body in filter chamber；Described filter screen is the grid of the flexible particle at least playing cleaning action in the side near valve plug chamber and/or intake antrum is provided with and can intercept washing machine between outer barrel.
Drain assembly the most according to claim 1, it is characterised in that: described intake antrum, filter chamber and the most L-shaped setting in valve plug chamber, wherein filter chamber side vertically communicates with valve plug chamber, and opposite side is provided with the filter cover of an energy free switch.
Drain assembly the most according to claim 1 and 2, it is characterised in that: described filter screen and filter cover use detachable fixing be connected.
Drain assembly the most according to claim 1, it is characterised in that: described foreign body includes cleaning the flexible particle between washing machine inner/outer tube, coin and line bits.
Drain assembly the most according to claim 4, it is characterised in that: described filter screen is cylinder or the cuboid being at least provided with the grid that can intercept flexible particle in the side near valve plug chamber, and the structure of filter screen is squirrel-cage, grid type.
Drain assembly the most according to claim 5, it is characterised in that: exporting, with filter chamber, the flat filter screen adapted sized by described filter screen, described filter screen is fixed in filter cover removably by least 1 support.
Drain assembly the most according to claim 4, it is characterised in that: described filter screen is at least to be provided with the squirrel-cage cylinder of the grid that can intercept flexible particle, grid type cylinder or flat filter screen in the side near intake antrum.
Drain assembly the most according to claim 7, it is characterized in that: described filter screen is the cylinder of squirrel-cage, on filter screen, adjacent two twine spacings h are 0.4-0.8cm, or the cylinder that described filter screen is grid type two bottom surface opening, the area 0.01cm of grid on filter screen2≤ s ＜ 1cm2。
9. a washing machine, including interior bucket and outer barrel, it is characterised in that: described washing machine is equipped with drain assembly as claimed in claim 1.
10. washing machine as claimed in claim 9, it is characterized in that: in described washing machine, between outer barrel, be provided with multiple flexible particle, laundering process drive flexible particle to clash into by current and cleaning that friction inner and outer barrel wall realizes in washing machine between outer barrel, after cleaning terminates, washings are discharged from drain assembly, and flexible particle is collected in intake antrum or filter chamber.
11. washing machinees according to claim 10, it is characterised in that: described flexible particle has foaming structure, and has immersion character, and after flexible particle immersion, its density is close with water, freely can move about with current in washing machine between outer barrel.
12. washing machinees according to claim 10, it is characterised in that: the material of described flexible particle is bipeltate, foamed plastic or foaming composite polyurethane, is mixed with inorganic metal ion antimildew and antibacterial agent in material, and its content is the 2%-6% of material weight.
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| CN201110028285.6A CN102154804B (en) | 2011-01-26 | 2011-01-26 | The drain assembly of a kind of band filter screen and the washing machine equipped with drain assembly |
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| CN201110028285.6A CN102154804B (en) | 2011-01-26 | 2011-01-26 | The drain assembly of a kind of band filter screen and the washing machine equipped with drain assembly |
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| CN102154804B true CN102154804B (en) | 2016-08-03 |
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Effective date of registration: 20160621 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Qingdao Haier Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant before: haier group corporation Applicant before: Qingdao Haier Washing Machine Co., Ltd. |
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