CN108569751B

CN108569751B - Washing machine

Info

Publication number: CN108569751B
Application number: CN201710134375.0A
Authority: CN
Inventors: 黄本财; 李敬德
Original assignee: Haier Smart Home Co Ltd; Chongqing Haier Front Loading Washing Machine Co Ltd
Current assignee: Haier Smart Home Co Ltd; Chongqing Haier Front Loading Washing Machine Co Ltd
Priority date: 2017-03-08
Filing date: 2017-03-08
Publication date: 2021-07-06
Anticipated expiration: 2037-03-08
Also published as: CN108569751A

Abstract

The invention belongs to the technical field of water purification treatment devices, and particularly relates to a water purification device. The utility model provides a water purifying device, includes the casing and arranges the inside filter core of casing in, and the casing includes a casing section of thick bamboo, and one end of a casing section of thick bamboo is airtight, the other end opening, and the opening of a casing section of thick bamboo is equipped with the casing upper cover that can open and close sealing connection, and the filter core suit is in a casing section of thick bamboo to the export of filter core overlaps mutually with the delivery port of casing upper cover, and the interface department of connecting of a casing section of thick bamboo and casing upper cover is provided with the rubber packing ring of buffering or preventing expend. The water purifying device is not easy to deform under the low-temperature condition, the sealing performance of the device is excellent, and the good water purifying effect can be ensured. The water purifying device has the advantages that the structure is simplified while the water purifying effect is ensured, the probability of failure of the water purifying device is reduced, and the service life of the water purifying device is prolonged. In addition, the water purifying device has low production cost, wide application range and wide market prospect.

Description

Washing machine

Technical Field

The invention belongs to the technical field of washing machines, and particularly relates to a washing machine.

Background

At present, due to the rapid development of the social industry, the living standard of people is improved, and meanwhile, a plurality of adverse factors are brought. Among them, there is a problem that water quality is deteriorated due to the fact that people pay attention to the water quality and the water quality has the greatest influence on human life. At present, the content of harmful substances in water sources used by people is increased, such as heavy metals and the like, which are harmful to human health.

Because the water quality is deteriorated, people cannot directly take water in nature, and generally use the treated tap water, but the treated tap water still contains high-content heavy metal and residual chlorine, and when the treated tap water is used as washing water of a washing machine, clothes can be polluted, and the health of human bodies can be harmed by wearing the polluted clothes for a long time.

Many types of water purifying devices have appeared at present, but the existing water purifying devices have complicated structures and poor purifying effects, are difficult to effectively remove residual chlorine and heavy metals in tap water, and can not inhibit the growth and propagation of microorganisms. In addition, the water purifying device also has the defects of easy blockage and pollution of a filter element structure, easy deformation of the water purifying device, poor sealing property, short effective service life and the like.

In view of the above, the present invention is specifically proposed.

Disclosure of Invention

A first object of the present invention is to provide a water purification apparatus which is less likely to be deformed at low temperatures, has excellent sealing performance, and can ensure a good water purification effect. And this purifier's simple structure has simplified the structure as far as possible when guaranteeing the water purification effect, has reduced purifier's probability of breaking down, improves purifier's life and water purification efficiency. In addition, the water purifying device has low production cost and wide application range, can be assembled and used with various devices or equipment needing water purification, and has wide market prospect.

In order to solve at least one of the above technical problems, the technical solution of the present invention adopts the following basic design ideas:

a water purification device comprises a shell and a filter element arranged inside the shell: the shell comprises a shell barrel, one end of the shell barrel is closed, the other end of the shell barrel is open, an upper shell cover which can be opened, closed and hermetically connected is arranged at the opening of the shell barrel, the filter element is sleeved in the shell barrel, the outlet of the filter element is sleeved with the water outlet of the upper shell cover, and a rubber gasket which can buffer or prevent expansion with heat and contraction with cold from deformation is arranged at the joint interface of the shell barrel and the upper shell cover.

The connecting interface between the shell barrel and the shell upper cover is provided with a part for buffering or preventing thermal expansion and cold contraction deformation, and even under the condition of low-temperature freezing and icing, the sealing performance of the water purifying device can not be damaged due to deformation of the shell barrel and the shell upper cover. The split type arrangement of the shell barrel and the shell upper cover can facilitate the disassembly and replacement of the filter element, is convenient and rapid, saves the cost, has excellent sealing performance after the water purifying device is assembled, ensures the water purifying effect, and is safe and reliable.

Preferably, a first extending edge which is bent outwards in the horizontal radial direction is arranged at the opening of the shell barrel, a second extending edge which is arranged opposite to the first extending edge is arranged on the shell upper cover, and the rubber gasket is arranged between the first extending edge and the second extending edge; the two sides of the rubber gasket are respectively matched with the first extending edge and the second extending edge and are tightly attached to each other.

The first extending edge and the second extending edge are arranged, so that the shell barrel, the shell upper cover and the buffer or the component for preventing thermal expansion and cold contraction deformation are contacted more tightly, the sealing performance of the water purifying device is improved, and water is ensured to be fully contacted with the filter element in the water purifying device and purified. The rubber gasket has a simple and effective structure, can achieve a better sealing effect, is convenient to replace and can save cost. The ethylene propylene diene monomer rubber material enables the rubber gasket to have better low-temperature tolerance, can still keep better elasticity under the low-temperature condition, and is favorable for ensuring the sealing property of the water purifying device. And it is ageing-resistant, long service life, and then improve purifier's whole life-span.

Preferably, the casing of the water purifying device extends outwards to form a mounting part, and the mounting part is connected and fixed with the reinforcing part of the washing machine box body.

Preferably, the reinforcing part is a triangle-like reinforcing rib, one side of the triangle-like reinforcing rib is integrated with the mounting part, and the other side of the triangle-like reinforcing rib is integrated with the outer surface of the shell of the water purifying device.

The installation component can ensure that the water purifying device is more firmly installed and is not easy to vibrate in the operation process of the washing machine to move, so that the water purifying device 1 is more firmly and reliably ensured, and the washing machine is safer to operate.

At least one structure reinforcing component is arranged between the mounting component and the outer surface of the shell of the water purifying device;

the reinforcing part is a triangle-like reinforcing rib, one side of the triangle-like reinforcing rib is integrated with the mounting part, and the other side of the triangle-like reinforcing rib is integrated with the outer surface of the shell of the water purifying device.

Preferably, the first extending edge, the second extending edge and the rubber gasket are provided with through holes which are matched with each other and are correspondingly overlapped, and the through holes arranged on the first extending edge, the second extending edge and the rubber gasket are connected through bolts so as to be fixedly connected.

Preferably, the outlet of the filter element is inserted into the water outlet of the upper cover of the shell, the outer wall of the outlet of the filter element is correspondingly and hermetically attached to the inner wall of the water outlet of the upper cover of the shell, and two or more O-shaped sealing rings are arranged on the attaching contact surface of the outlet of the filter element and the water outlet of the upper cover of the shell.

Preferably, the outer wall of the opening end of the shell barrel is provided with a first thread structure, the inner periphery of the shell upper cover is provided with a second thread structure matched with the first thread structure, and the shell upper cover is in threaded sealing connection with the opening of the shell barrel;

preferably, the junction between the housing barrel and the housing upper cover is provided with a plurality of sealing structures, preferably O-rings.

The outlet of filter core and the delivery port of casing upper cover registrate mutually to both registrates the department and are equipped with a plurality of seal structure, ensure the leakproofness of delivery port, prevent that water from spilling over, and ensure that water is purified fully, and the technical scheme who adopts O type sealing washer is simple and sealed effect is also good.

Preferably, the filter element is sleeved in the shell barrel, and one or more sealing rings are arranged between the shell barrel and the filter element.

The filter core suit is in a casing section of thick bamboo to be equipped with one or more sealing washer between a casing section of thick bamboo and the filter core body, ensure that the filter core installation is reliable firm, avoid the filter core often to rock and influence purifier's airtight and reduce purifying effect.

Preferably, the outside of the filter element is provided with at least one structure fixed with the shell in the circumferential direction and/or at least one structure limited with the shell in the axial direction.

The fixed structure on the circumferencial direction that the filter core outside set up and casing can make the installation fixed inseparabler firm more between filter core and the casing at the spacing structure of axis direction, prevent that the filter core from rocking or skew, make the water that gets into can be purified fully, improve purifying effect.

Preferably, a KDF and calcium sulfite filter layer is arranged in the filter element and is uniformly mixed with particles of KDF and calcium sulfite and integrally filled with the particles, or the KDF and the calcium sulfite are respectively filled layer by layer;

preferably, the mass ratio of KDF to calcium sulfite is 15-23: 1, more preferably 20: 1.

the filtering layers with the components and the mass ratio can optimize the effect of removing residual chlorine and heavy metals of the water purifying device.

Preferably, the water purifying device is arranged outside the washing machine and between the water source and the water inlet control electromagnetic valve of the washing machine, and water passes through the water purifying device and the water inlet control electromagnetic valve in sequence;

or the water purifier is arranged in the washing machine and between the water inlet control electromagnetic valve and the water injection box, and water passes through the water inlet control electromagnetic valve, the water purifier and the water injection box in sequence.

The water purifying device is arranged between a water source and a water inlet control electromagnetic valve of the washing machine, and can purify water entering the washing machine integrally, and is simple, convenient and effective.

Will purifier establish at washing machine setting inside washing machine, between water inlet control solenoid valve and the water injection box, purifier is integrated in washing machine's inner structure, make full use of the idle space in the washing machine frame, can not occupy the outside space of washing machine, avoid the trouble that the in-process of customer installation use probably appears, more do benefit to the protection of purifier self structure moreover, life is longer, saves the cost, washing machine's overall structure elegant appearance.

Drawings

FIG. 1 is a schematic view showing a structure of a washing machine with a water purifying apparatus according to the present invention;

FIG. 2 is a schematic view showing the structure of a washing machine with a water purifying apparatus according to the present invention;

FIG. 3 is a schematic view showing the structure of a washing machine with a water purifying apparatus according to the present invention;

FIG. 4 is a schematic view showing the structure of a washing machine with a water purifying apparatus according to the present invention;

FIG. 5 is a schematic view of the water purifying apparatus according to the present invention;

FIG. 6 is a schematic view of the water purifying apparatus according to the present invention;

FIG. 7 is an exploded view of the water purifying device;

FIG. 8 is a schematic view of a filter element of the water purifying device of the present invention;

FIG. 9 is a top view of a cartridge of the water purification unit of the present invention;

FIG. 10 is an exploded view of a cartridge of the water purification unit of the present invention;

FIG. 11 is a schematic view of a filter element of the water purifying device of the present invention;

FIG. 12 is a schematic view of the water purifying device and the water injection cartridge according to the present invention;

fig. 13 is an assembly view of the water purifying device and the water injection box according to the present invention.

The figure is marked with: 1-water purifying device, 2-water injection box, 011-hook, 012-washing machine box body reinforcer, 01-water inlet, 021-first water outlet, 022-second water outlet, 11-shell barrel, 12-first sealing ring, 13-filter element, 131-filter element upper cover, 132-filter element barrel, 133-filter screen, 134-second sealing ring, 135-filter element net, 136-first KDF layer, 137-calcium sulfite layer, 138-second KDF layer, 14-rubber gasket, 15-shell upper cover, 16-self-tapping screw, 200-electromagnetic valve, t 01-spray pipe, t 02-pre-washing pipe and t 03-main washing pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Washing machine with water purifier

A washing machine with a water purifying device comprises a water injection box 2, wherein the water purifying device 1 is installed inside the washing machine and is connected with the water injection box 2, and inlet water of the washing machine enters the water injection box 2 after being processed by the water purifying device 1 and then enters a washing barrel from the water injection box 2.

The washing machine is internally provided with an electromagnetic valve 200 for controlling water inflow, the water purifying device 1 is arranged between the electromagnetic valve 200 and the water injection box 2, and the washing machine water inflow passes through the electromagnetic valve 200 and the water purifying device 1 and enters the water injection box 2 and then enters the washing tub from the water injection box 2.

The solenoid valve 200 has a plurality of water outlets, and at least one water outlet is connected to the water inlet 01 of the water purifying device 1, and the water outlet (the first water outlet 021 or the second water outlet 022, either of the two water outlets is used alternatively) of the water purifying device 1 is connected to at least one water inlet of the water injection box 2.

The water purifying device 1 comprises a shell and a filter element 13 arranged in the shell, wherein KDF and calcium sulfite particles are filled in the filter element 13.

The washing machine of the embodiment has main washing, prewashing and spraying programs, and the electromagnetic valve 200 is correspondingly provided with a main washing valve, a prewashing valve and a spraying valve; the water outlet of the main washing valve is connected with the water inlet 01 of the water purifier 1, and the first water outlet 021 of the water purifier 1 is connected with the main washing waterway inlet of the water injection box 2; the water outlet of the prewashing valve is connected with the inlet of a prewashing water path of the water injection box 2; the water outlet of the spray valve is connected to the top of the upper cover of the water injection box 2 through a pipeline.

The main washing, pre-washing and spraying are the same as those generally understood in the current washing machine, and are not described herein.

In order to purify most of water used in the operation of the washing machine, the structure of the washing machine is combined, and the software control setting can be matched, so that the process of using a large amount of water in the operation process of a water injection box of the washing machine is switched to a main washing valve for multiple water supplement, the probability of clothes pollution is further reduced, and the washing machine is cleaner and more sanitary.

The solenoid valve 200 is provided with a plurality of water outlets, and each water outlet corresponds to a different water path, so that the washing machine has more cleaning functions. The water outlet of the electromagnetic valve 200 is connected with the water purifier 1 to ensure that the water entering the water injection box 2 is purified and the clothes are cleaned healthily. The water purifier has the advantages that flexible selection can be carried out according to specific functions of the washing machine in specific design, a water channel with large water using amount of the washing machine is connected with the water purifier, on one hand, the effect of cleanness and sanitation is achieved, on the other hand, the working strength of the water purifier can be reduced, the service life of the water purifier can be prolonged, the water purifier can be suitable for different models of washing machines, the application range of the water purifier is expanded, installation pipelines in the washing machine can be simplified, and the operation safety performance of the washing machine.

The washing machine can solve the basic technical problems, and further optimizes the performance of the water purifying device, so that the washing machine has multiple beneficial effects and can solve more technical problems.

KDF and calcium sulfite particles are uniformly mixed and integrally filled in the filter element 13; or, the particles of KDF and calcium sulfite are respectively filled layer by layer, and the first layer close to the water inlet 01 of the filter element 13 is a KDF particle layer.

KDF is one or two of KDF55 or KDF 85.

The KDF is a high-purity copper and zinc alloy, and the KDF which can be obtained at present has two types of KDF55 and KDF85, wherein KDF55 refers to an alloy of 50% of copper and 50% of zinc; KDF85, an alloy of 85% copper and 15% zinc.

The shell of the water purifying device 1 extends outwards to be provided with a mounting component, and the mounting component is connected and fixed with a reinforcing part of the washing machine box body.

The water injection box 2, the water purifier 1 and the electromagnetic valve 200 are all arranged on the same side of the top of the washing machine and are arranged in sequence from the front side to the rear side of the washing machine; the water purifying device 1 is horizontally arranged on the upper reinforcing part at one side of the washing machine box body, the water inlet of the water purifying device 1 is arranged backwards and communicated with at least one water outlet of the electromagnetic valve 200, and the water outlet of the water purifying device 1 is arranged towards the front side of the washing machine and communicated with at least one water inlet of the water injection box 2.

The installation component can ensure that the water purifying device 1 is more firmly installed and is not easy to vibrate in the operation process of the washing machine to move, so that the water purifying device 1 is more firmly and reliably ensured, and the washing machine is safer to operate.

At least one structural reinforcing component is arranged between the mounting component and the outer surface of the shell of the water purifying device 1;

The structure reinforcing component can make purifier 1 more firm, effectively prolong purifier 1's life. Wherein, the reinforcing effect of class triangle-shaped's strengthening rib is better and simple structure, save material, when one of them side of class triangle-shaped is integrative with the installation component, and the another side is integrative with purifier's casing surface, purifier 1 is being connected more firmly stable with washing machine box reinforcement, provides washing machine's overall structure stability to avoid purifier to the collision of other structures of washing machine.

The KDF layer of the embodiment is filled with KDF55, and the mass ratio of KDF55 to calcium sulfite is 10-30: 1;

preferably, the mass ratio of KDF55 to calcium sulfite is 15-23: 1, more preferably 20: 1.

a filter screen 133 is arranged between the filter element body and the shell, and the filter screen 133 is sleeved outside the filter element body. A certain gap space is arranged between the filter element body and the filter screen 133, a plurality of sections of annular reinforcing ribs which are uniformly and alternately arranged are distributed outside the filter element body, and the annular reinforcing ribs form a bent flow passage in a cavity between the shell and the filter screen 133.

The annular reinforcing ribs are arranged outside the filter element cylinder 132 and form multiple flow channels between the filter screen 133 and the filter element body, water spirally flows on the multiple flow channels, the filtering time is prolonged, the water is prevented from flowing out of other parts of the shell of the water purifying device without being filtered, and the purifying reliability is ensured. In addition, the annular reinforcing ribs can further strengthen the structure of the filter element 13, thereby achieving multiple purposes.

The filter screen 133 is sleeved outside the filter element body, and is subjected to pre-purification treatment before water enters the filter element 13, so that impurities in the water are reduced, the work load of the filtration inside the filter element 13 is reduced, the service life of the filter layer is prolonged, and the effects of removing residual chlorine and heavy metals and inhibiting the propagation of microorganisms are ensured.

The filter element body comprises a filter element upper cover 131 and a filter element cylinder 132, the filter element cylinder 132 is a cylinder-shaped structure with one closed end, and the filter element upper cover 131 is an end cover plate for covering the open end of the filter element cylinder 132; the bottom of the filter element cylinder 132 is provided with an inlet, the bottom in the filter element cylinder 132 is provided with a filter element net 135 covering the inlet, the filter element upper cover 131 is provided with an outlet, and the lower part of the filter element upper cover 131 is provided with the filter element net 135 covering the outlet.

The filter element net 135 at the bottom of the filter element cylinder 132 is connected with the bottom of the filter element cylinder 132, the filter element net 135 at the lower part of the filter element upper cover 131 is connected with the filter element upper cover 131, and the filter element upper cover 131 is connected with the filter element cylinder 132 in an ultrasonic welding mode.

Ultrasonic bonding makes each structure part that can make the filter core connect fairly integratively, and the structure of filter core is more firm, and air tightness is better to make the filter core keep strong water pressure at the water purification in-process, ensure purifying effect.

The filter element body is provided with at least one structure for being fixed with the circumference of the shell; preferably, the filter element body is further provided with at least one structure for limiting the position of the filter element body and the shell in the axial direction.

In the implementation, the circumference fixing structure is a hollow cylinder extending downwards from the circumference of the bottom of the filter element body, and the hollow cylinder is embedded and fixed with a circular groove arranged at the bottom of the shell body; the upper portion of cavity drum is equipped with the ring that extends to all around from the filter element body, and this ring plays spacing effect from top to bottom.

The upper cover 131 of the filter element is provided with a circumference fixing structure near the outlet, and the circumference of the circumference fixing structure is provided with

The stabilizer blade, filter core upper cover and casing upper cover circumference are fixed to combine the interference fit effect, thereby make filter core and casing be connected inseparabler, further improve purifier's leakproofness, reinforcing water purification effect.

Circumference fixed knot on the filter core body constructs and can make between filter core body and the casing the installation fixed inseparabler firm more with the casing at the spacing structure of axis direction, prevents that the filter core from rocking or skew, makes the water that gets into can be purified fully, improves purifying effect.

The shell comprises a shell barrel 11 and a shell upper cover 15, a water inlet is formed in the bottom of the shell barrel 11, and a water outlet is formed in the shell upper cover 15; the filter element body is sleeved in the shell barrel 11, and one or more first sealing rings 12 are arranged between the shell barrel 11 and the filter element body; the outlet of the filter element body is sleeved with the water outlet of the upper cover of the shell, and one or more second sealing rings 134 are arranged at the matching position of the outlet of the filter element body and the water outlet of the upper cover of the shell.

A rubber gasket 14 is arranged between the shell cylinder 11 and the shell upper cover 15, and the shape of the rubber gasket 14 is consistent with the shape of an interface formed by assembling and connecting the shell cylinder 11 and the shell upper cover 15;

preferably, the housing tube 11, the housing upper cover 15 and the rubber gasket 14 are provided with holes matching with each other, and the holes provided in the three are connected into a whole by screwing.

The opening of the shell barrel 11 is provided with a first extending edge, the shell upper cover 15 is provided with a second extending edge, a rubber gasket 14 (made of ethylene propylene diene monomer) which is a part for buffering or preventing the deformation caused by expansion with heat and contraction with cold is arranged between the first extending edge and the second extending edge, and the first extending edge, the part for buffering or preventing the deformation caused by expansion with heat and contraction with cold and the second extending edge are matched with each other and are tightly attached to each other.

The cross section on first extension limit, second extension limit is regular octagon, is equipped with the through-hole in each extreme point department of regular octagon, and rubber packing ring 14 is unanimous with the size and the shape of the cross section on first extension limit, second extension limit, also is regular octagon, also corresponds at each extreme point department of regular octagon and is equipped with the through-hole, is equipped with the through-hole of mutual matching on first extension limit, second extension limit and the rubber packing ring 14, and the through-hole connection that sets up on the three through threaded connection is integrative.

The arrangement of the extending edge can make the contact among the shell barrel 11, the shell upper cover 15 and the rubber gasket 14 more tight, and the shell can be lifted

The sealing performance of the water purifier is high, and the inlet water is fully purified.

By adopting the substances and the mass ratio, the purification effect of the water purification device can be further improved, the residual chlorine quantity is less, the heavy metal content is obviously reduced, the residual microorganisms are avoided, the integral cleanliness in the washing machine is better, and the washing machine is sanitary and healthy.

The washing machine with the water purifying device has the following beneficial effects:

1. the water purifying device of the washing machine is arranged in the internal structure of the washing machine, so that the idle space in the frame of the washing machine is fully utilized, the redundant space outside the washing machine is not occupied, and the installation and the use are convenient;

the water purifying device is arranged in the washing machine, so that the structure of the water purifying device is protected, the service life is longer, the cost is saved, and the integral structure of the washing machine is attractive and elegant;

2. the water purifying device is provided with KDF and calcium sulfite, so that residual chlorine and heavy metals can be efficiently removed, the reproduction of microorganisms is inhibited, clothes are prevented from being polluted, and the water purifying device is sanitary and healthy;

3. the water purifying device has good sealing performance, the condition of water leakage and water seepage cannot occur, and the washing machine is safer and more reliable to operate;

4. the water purifying device can not generate serious deformation even under the condition of low temperature, and the damage or the working disorder of the water purifying device is avoided;

5. the washing machine has simple structure, is convenient to transform under the structural framework of the existing washing machine, reduces the research and production manufacturing cost, and saves the expenditure.

Example two

The difference between this embodiment and the first embodiment is:

the interior of the washing machine is provided with an electromagnetic valve 200 for controlling water inflow, the electromagnetic valve 200 is provided with three water outlets which are respectively communicated with water paths of different washing programs of the washing machine; the water purifier 1 has a water inlet 01 and a water outlet (a first water outlet 021 or a second water outlet 022, one of the two water outlets is selected for use), the water inlet 01 of the water purifier 1 is connected with the water outlet of the electromagnetic valve 200, the water outlet (the first water outlet 021 or the second water outlet 022, one of the two water outlets is selected for use) of the water purifier 1 is connected with the water injection box 2, and water enters the washing tub of the washing machine through the electromagnetic valve 200 and the water purifier 1 in sequence and then enters the water injection box 2 and then enters the washing tub of the washing machine through the water injection box 2.

The washing machine has main washing, prewashing and spraying programs, and the electromagnetic valve 200 is correspondingly provided with a main washing valve, a prewashing valve and a spraying valve;

the water outlet of the main washing valve is connected with the water inlet 01 of the water purifier 1, and the water outlet of the water purifier is connected with the inlet of the main washing waterway of the water injection box;

the water outlet of the prewashing valve is connected with the water inlet 01 of the water purifier 1, and the water outlet of the water purifier is connected with the inlet of a prewashing waterway of the water injection box;

the water outlet of the spray valve is connected to the top of the upper cover of the water injection box through a pipeline;

when the washing machine enters a main washing, prewashing or spraying program, the control program of the washing machine respectively controls the main washing, prewashing or spraying valves to open the corresponding water outlets for water inlet.

The water channels of the main washing procedures of the washing machine, namely main washing and prewashing, are connected with the water purifying device, the water for washing clothes is purified by the water purifying device, the content of residual chlorine, heavy metal and microorganism is reduced, and the clothes washing is sanitary and healthy.

The washing machine achieves the level of further improving the cleanness and the sanitation only by the structural setting characteristics of the washing machine, and does not need to change a software control system of the existing washing machine.

EXAMPLE III

The difference between this embodiment and the first embodiment is:

the water outlet of the main washing valve, the water outlet of the prewashing valve and the water outlet of the spraying valve are all connected with the water inlet 01 of the water purifying device 1,

the water outlet (the first water outlet 021 or the second water outlet 022, one of the two water outlets is used alternatively) of the water purifying device 1 is connected to the corresponding waterway of the water injection box 2 through the main washing pipe t03, the pre-washing pipe t02 and the spraying pipe t01 respectively.

The whole water inlet process of the washing machine is purified, the internal environment of the whole washing machine is kept highly clean, the propagation and growth of microorganisms in the washing machine are avoided, the content of residual chlorine, heavy metals and microorganisms is lower, and the washing machine is sanitary and healthy.

Example four

Water purifying device and water purifying method

Purifier 1 includes the casing and arranges the inside filter core 13 of casing in, and filter core 13 includes the filter core body, and the relative both ends of filter core body are equipped with import and export respectively, are equipped with two at least filter core nets 135 that set up along filter core body axis interval between import and the export, and filter core net 135 separates the filter core body inside for a plurality of independent cavities, and it has the filter layer that comprises KDF and/or calcium sulfite to fill in the cavity between two adjacent filter core nets 135.

A filter screen 133 is arranged between the filter element body and the shell, and the filter screen 133 is sleeved outside the filter element body.

A certain gap space is arranged between the filter element body and the filter screen 133, a plurality of sections of annular reinforcing ribs which are uniformly and alternately arranged are distributed outside the filter element body, and the annular reinforcing ribs form a bent flow passage in a cavity between the shell and the filter screen 133.

The filter element body is at least provided with a structure for fixing the circumference of the shell;

preferably, the filter element body is further provided with at least one structure for limiting the position of the filter element body and the shell in the axial direction.

The shell comprises a shell barrel 11 and a shell upper cover 15, a water inlet is formed in the bottom of the shell barrel 11, and a water outlet is formed in the shell upper cover 15;

the filter element body is sleeved in the shell barrel 11, and one or more first sealing rings 12 are arranged between the shell barrel 11 and the filter element body;

the outlet of the filter element body is sleeved with the water outlet of the upper cover of the shell, and one or more second sealing rings 134 are arranged at the matching position of the outlet of the filter element body and the water outlet of the upper cover of the shell.

KDF is selected from one or two of KDF55 or KDF85, and the mass ratio of KDF to calcium sulfite is 10-30: 1;

KDF and calcium sulfite are respectively particles of 80-100 meshes.

The KDF and the calcium sulfite in the particle size range can improve the effects of removing heavy metal, residual chlorine and insoluble impurities and inhibiting the growth of microorganisms of a water purifying device, and the purifying effect is better.

The manufacturing process of the filter element 13 is as follows: the filter element net 135 is connected to the bottom of the filter element cylinder 132 in an ultrasonic welding mode, then the second KDF layer 138, the calcium sulfite layer 137 and the first KDF layer 136 are sequentially filled, the other filter element net 135 is placed on the upper portion of the calcium sulfite layer 137, and the filter element net 135 and the filter element upper cover 131 are welded into a whole in an ultrasonic welding mode.

The ultrasonic welding mode makes between each part set up like an organic whole, ensures that the filter core body has better leakproofness, prevents gas leakage, leaks or the infiltration, can be fully with filter layer contact reaction when making rivers get into, guarantees to handle thoroughly abundant, improves purifying effect.

The filter element can effectively remove residual chlorine and heavy metals and inhibit the reproduction of microorganisms, and the purified water is clean, sanitary, healthy and safe, and the life quality of users is improved. On one hand, the filter element net can play a role of basic filtration, so that the pollution loss of a KDF and calcium sulfite filter layer is reduced, the service life of the filter layer is prolonged, the replacement and maintenance frequency of the water purifying device is reduced, and the expenditure is saved; on the other hand, the filter element net limits the KDF and calcium sulfite filter layers in a certain space, avoids the loss of the KDF and the calcium sulfite, and enables the filter layers to maintain a certain layer structure which is beneficial to keeping the purification effect of the water purification device.

The water purifying device is simple in structure, the structure of the filtering unit is simplified as far as possible while the water purifying effect is ensured, the probability of failure of the water purifying device is reduced, and the service life of the water purifying device is prolonged.

The periphery of filter core body is provided with filter screen 133, and filter screen 133 suit is in the outside of filter core body, sets up annular strengthening rib in the outside of filter core section of thick bamboo 132, and annular strengthening rib forms multiple flow channel between filter screen 133 and filter core body, and water spirals on multiple flow channel and flows, has prolonged filterable time to prevent that water from not filtering and flowing from purifier's casing other positions, ensure the reliability of purifying. The filter screen 133 is sleeved outside the filter element body, and is subjected to pre-purification treatment before water enters the filter element 13, so that impurities in the water are reduced, the work load of the filtration inside the filter element 13 is reduced, the service life of the filter layer is prolonged, and the effects of removing residual chlorine and heavy metals and inhibiting the propagation of microorganisms are ensured.

In addition, the annular reinforcing ribs can further strengthen the structure of the filter element 13, thereby achieving multiple purposes.

The bottom of a filter element cylinder 132 is provided with a protruding circumference fixing structure, the circumference fixing part can be fixed with the groove embedded arranged at the bottom of a shell cylinder 11, the bottom of the filter element cylinder 132 and the upper part of the circumference fixing structure are also provided with a circular ring-shaped upper and lower direction limiting structure, the circumference is fixed to be matched with the limiting function, so that the installation between the filter element cylinder 132 and the shell cylinder 11 is firmer and more reliable, the position deviation of a filter element body is avoided, the sealing performance of the water purifying device is ensured, and the water purifying effect is improved.

The filter element body is sleeved inside the shell barrel 11, and two sealing rings are arranged between the shell barrel 11 and the filter element body, so that the reliable and firm installation between the filter element body and the shell is ensured, and the influence on the air sealing of the water purifying device and the reduction of the purifying effect due to frequent shaking of the filter element body are avoided.

The outlet of the filter element body is sleeved with the water outlet of the shell upper cover 15, and two O-shaped sealing rings are arranged at the sleeved position of the outlet and the shell upper cover, so that the sealing performance of the water outlet is ensured, the water is prevented from overflowing, and the water inlet of the washing machine can be fully purified.

The extending edges are arranged, so that the shell barrel 11, the shell upper cover 15 and the rubber gasket 14 can be contacted more tightly, the sealing performance of the water purifying device is improved, and the water can be purified fully.

In addition, the rubber gasket 14 can prevent the overall structure of the water purifying device from being not tight due to the significant deformation of the housing tube 11 and the housing upper cover 15 under the low temperature condition, and the purification effect is affected by air leakage or water leakage, which is helpful for improving the stability and reliability of the water purifying device under the low temperature condition.

The opening outer wall of a casing section of thick bamboo 11 is equipped with first helicitic texture, and the interior week of casing upper cover 15 is equipped with the second helicitic texture with first helicitic texture matched with to be equipped with O type sealing washer between first screw thread and the second helicitic texture, make and be connected inseparabler between a casing section of thick bamboo 11 and the casing upper cover 15, the leakproofness is good, does benefit to and improves purifying effect.

The position that is close to the export on filter element upper cover 131 of filter element 13 is equipped with circumference fixed knot and interference fit structure to what make filter element 13 and casing be connected is inseparabler, further improves purifier's leakproofness, reinforcing water purification effect.

The water purifying device can be applied to various devices or equipment such as washing machines, sinks, dishwashers, water dispensers and the like, but is not limited to the listed devices or equipment.

The casing of the water purifying device extends outwards to be provided with a mounting component which is connected and fixed with a reinforcing part of the washing machine box body. The mounting part is provided with a first mounting hole and a hook 011, the washing machine box body reinforcement is provided with a second mounting hole and a hook hole, the hook 011 is connected with the hook hole, and the first mounting hole is in threaded connection with the second mounting hole.

The reinforcing member 012 of the washing machine cabinet may have a structure such as a reinforcing cross member provided on the washing machine cabinet, but is not limited thereto.

Further, the mounting part has at least one surface to be attached to the reinforcing part 012 of the cabinet of the washing machine, so that the connection between the water purifying device and the washing machine can be further reinforced.

The above structural characteristics of the water purifying device can make the water purifying device be more simply and firmly installed on the internal installation auxiliary parts of the washing machine box body, thereby being beneficial to improving the stability and the safety of the whole structure of the washing machine, leading the whole washing machine to be more beautiful and having good water purifying function.

In addition, a structure reinforcing part is arranged between the mounting part and the outer surface of the water purifier shell, preferably, the reinforcing part is a triangle-like reinforcing rib, one side of the triangle-like reinforcing rib is integrated with the mounting part, and the other side of the triangle-like reinforcing rib is integrated with the outer surface of the water purifier shell.

The mounting component can ensure that the water purifying device is more firmly mounted and is not easy to vibrate and move in the operation process of the washing machine, so that the water purifying device is more firmly and reliably ensured, and the washing machine is safer to operate.

The embodiment also provides a water purification method, which uses any one of the water purification devices to treat the inlet water of the washing machine.

EXAMPLE five

The present embodiment is different from the fourth embodiment in that:

KDF55 and calcium sulfite are uniformly mixed together, one filter element net 135 is connected to the bottom of the filter element cylinder 132 in an ultrasonic welding mode, then the KDF55 and the calcium sulfite uniform mixture are filled into the filter element cylinder 132 to obtain a filter layer, the other filter element net 135 is placed on the upper portion of the filter layer, and the filter element net 135 and the filter element upper cover 131 are welded into a whole in an ultrasonic welding mode.

The mass ratio of KDF55 to calcium sulfite is 15-23: 1, preferably 20: 1.

the filtering layers with the components and the mass ratio can optimize the effect of removing residual chlorine and heavy metals by the water purifying device.

EXAMPLE six

The present embodiment is different from the fourth embodiment in that:

the manufacturing process of the filter element 13 is as follows: the filter element net 135 is connected to the bottom of the filter element cylinder 132 in an ultrasonic welding mode, then the second KDF layer 138, the first KDF layer 136 and the calcium sulfite layer 137 are sequentially filled, the other filter element net 135 is placed on the upper portion of the calcium sulfite layer 137, and the filter element net 135 and the filter element upper cover 131 are welded into a whole in an ultrasonic welding mode. The second KDF layer 138 is composed of KDF55, the first KDF layer 136 is composed of KDF85, and the mass ratio of KDF55 to KDF85 in the filter element 13 is 3-5: 1.

EXAMPLE seven

Another water purifying device

The water purifying device 1 comprises a shell and a filter element 13 arranged in the shell, the shell comprises a shell barrel 11, one end of the shell barrel 11 is closed, the other end of the shell barrel 11 is open, a shell upper cover 15 which can be opened, closed and connected is arranged at the open end of the shell barrel 11, the filter element 13 is sleeved in the shell barrel 11, an outlet of the filter element 13 is sleeved with a water outlet of the shell upper cover 15, the shell barrel 11 and the shell upper cover 11 are arranged

15 is provided with a rubber gasket 14 for buffering or preventing thermal expansion and cold contraction deformation.

The rubber gasket 14 for buffering or preventing thermal expansion and cold contraction deformation is arranged at the connecting interface of the shell barrel 11 and the shell upper cover 15, so that the sealing performance of the water purifying device 1 cannot be damaged due to the deformation of the shell barrel 11 and the shell upper cover 15 even under the condition of low-temperature freezing and icing. The shell barrel 11 and the shell upper cover 15 are arranged in a split mode, so that the filter element can be conveniently detached and replaced, convenience and rapidness are achieved, the cost is saved, the sealing performance of the water purifying device 1 after assembly is excellent, the water purifying effect is ensured, and safety and reliability are achieved.

A first extending edge which is bent outwards horizontally and radially is arranged at an opening of the shell barrel 11, a second extending edge which is arranged opposite to the first extending edge is arranged on the shell upper cover 15, and the rubber gasket 14 is arranged between the first extending edge and the second extending edge; the two sides of the rubber gasket 14 are respectively matched with the first extending edge and the second extending edge and are tightly attached.

The first extending edge, the second extending edge and the rubber gasket 14 are provided with through holes which are matched with each other and are correspondingly overlapped, and the through holes arranged on the first extending edge, the second extending edge and the rubber gasket are connected through bolts so as to be fixedly connected.

The rubber gasket 14 is simple and effective in construction, provides a good sealing effect, is easy to replace and is cost effective. Particularly, the rubber gasket made of the ethylene propylene diene monomer rubber material has better low-temperature tolerance, can still keep better elasticity under the low-temperature condition, and is favorable for ensuring the sealing property of the water purifying device 1. But also has aging resistance, thereby prolonging the whole service life of the water purifying device 1.

The outlet of the filter element 13 is inserted into the water outlet of the upper cover 15 of the shell, the outer wall of the outlet of the filter element 13 is correspondingly and hermetically attached to the inner wall of the water outlet of the upper cover 15 of the shell, and two or more O-shaped sealing rings are arranged on the contact surface of the outlet of the filter element 13 and the water outlet of the upper cover 15 of the shell.

A first thread structure is arranged on the outer wall of the opening of the shell barrel 11, and a second thread structure matched with the first thread structure is arranged on the inner periphery of the shell upper cover 15, so that the shell upper cover 15 is in thread sealing connection with the opening of the shell barrel 11;

preferably, the junction between the housing barrel 11 and the housing upper cover 15 is provided with a plurality of sealing structures, preferably O-ring seals.

The outside of the filter element 13 is provided with at least one structure fixed with the shell in the circumferential direction and/or at least one structure limited with the shell in the axial direction. The circumference fixing structure is a hollow cylinder which extends downwards from the circumference of the bottom of the filter element body, and the hollow cylinder is embedded and fixed with a circular groove arranged at the bottom of the shell; the upper portion of cavity drum is equipped with the ring that extends to all around from the filter element body, and this ring plays spacing effect from top to bottom.

The stabilizer blade, filter core upper cover 131 is fixed with casing upper cover 15 circumference to combine the interference fit effect, thereby make filter core 13 and casing be connected inseparabler, further improve purifier's leakproofness, reinforcing water purification effect.

The circumference fixed knot on the foretell filter core body constructs and can prevent with the casing at the spacing structure of axis direction that the filter core from rocking or skew, makes the water that gets into can be purified fully, improves purifying effect.

A KDF and calcium sulfite filter layer is arranged in the filter element and is uniformly mixed with particles of the KDF and the calcium sulfite and integrally filled with the particles of the KDF and the calcium sulfite, or the KDF and the calcium sulfite are respectively filled layer by layer;

the water purifying device 1 is arranged outside the washing machine and between a water source and a water inlet control electromagnetic valve 200 of the washing machine, and water passes through the water purifying device 1, the electromagnetic valve 200 and the water injection box 2 in sequence;

or, the water purifying device 1 is arranged inside the washing machine and between the electromagnetic valve 200 and the water injection box 2, and water passes through the electromagnetic valve 200, the water purifying device 1 and the water injection box 2 in sequence.

The water purifying device is not easy to deform under the low-temperature condition, has excellent sealing performance and can ensure better water purifying effect. And this purifier's simple structure has simplified the structure as far as possible when guaranteeing the water purification effect, has reduced purifier's probability of breaking down, improves purifier's life and water purification efficiency. In addition, the water purifying device has low production cost and wide application range, can be assembled and used with various devices or equipment needing water purification, and has wide market prospect.

Example eight

The present embodiment is different from embodiment seven in that:

the opening part of a casing section of thick bamboo 11 is equipped with first extension limit, and casing upper cover 15 is equipped with the second extension limit, is equipped with the buffering between first extension limit and the second extension limit or prevents expend with heat and contract with cold deformation rubber packing ring 4 (the material is ethylene propylene diene monomer), and first extension limit, buffering or prevent expend with heat and contract with cold deformation's part and second extension limit three match each other and closely laminate.

The cross section on first extension limit, second extension limit is regular octagon, is equipped with the through-hole in each extreme point department of regular octagon, and rubber packing ring 14 is unanimous with the size and the shape of the cross section on first extension limit, second extension limit, also is regular octagon, also corresponds at each extreme point department of regular octagon and is equipped with the through-hole, is equipped with the through-hole of mutual matching on first extension limit, second extension limit and the rubber packing ring 14, connects the through-hole that sets up on the three through tapping screw 16 and connects integratively.

The extending edge makes the contact among the shell barrel 11, the shell upper cover 15 and the rubber gasket 14 more tight, improves the sealing performance of the water purifying device, and ensures that the inlet water is fully contacted with the filter element 13 and purified.

The rubber gasket 14 is simple and effective in construction, provides a good sealing effect, is easy to replace and is cost effective. The ethylene propylene diene monomer rubber material enables the rubber gasket to have better low-temperature tolerance, can still keep better elasticity under the low-temperature condition, and is favorable for ensuring the sealing property of the water purifying device. And it is ageing-resistant, long service life, and then improve purifier's whole life-span. The tapping screw 16 is reliably and effectively connected, and additional connecting parts are saved, so that the sealing performance of the water purifying device can be ensured.

Example nine

Take purifier's water inlet structure and washing machine

The water inlet structure with the water purifying device comprises a water injection box 2 and a water purifying device 1: the casing of purifier 1 outwards extends and is equipped with the installation component, is equipped with first mounting hole and couple on the installation component, is equipped with second mounting hole and couple hole on the washing machine box reinforcement, couple and couple jogged joint, and first mounting hole and second mounting hole are fixed in inside the washing machine through threaded connection with purifier.

This water inlet structure installs in the inside idle space of washing machine, and the self structure of make full use of purifier 1 and washing machine box reinforcement is installed, is close to the firm degree of an organic whole setting to do not need too much extra installation annex, the structure is simple more reliable, can not occupy the outside space of washing machine. And the water purifier of the water inlet structure with the water purifier has simple structure, is not easy to be damaged, has longer service life and saves cost.

The water injection box 2, the water purifier 1 and the electromagnetic valve 200 are all arranged on the same side of the top of the washing machine and are arranged in sequence from the front side to the rear side of the washing machine; the water purifying device 1 is horizontally arranged on the upper reinforcing part on one side of the washing machine box body, the water inlet 01 of the water purifying device 1 is arranged backwards and communicated with at least one water outlet of the electromagnetic valve 200, and the water outlet (the first water outlet 021 or the second water outlet 022) of the water purifying device 1 is arranged towards the front side of the washing machine and communicated with at least one water inlet of the water injection box 2.

The above-mentioned structure arrangement is more favorable to filter element 13 to keep being favorable to improving better, more stable structure of purifying effect. The filter element net 135 divides the inside of the filter element body into a plurality of independent cavities, so that the water purification effect can be enhanced.

The housing includes a housing barrel 11 and a housing cover 15.

A filter screen 133 is arranged between the filter element body and the shell, the filter screen 133 is sleeved outside the filter element body, multiple sections of annular reinforcing ribs which are uniformly and alternately arranged are distributed outside the filter element body, and the annular reinforcing ribs enable a cavity between the shell and the filter screen 133 to form a bent flow passage.

The annular reinforcing rib forms multiple flow passages between the filter screen 133 and the filter element body, water spirally flows on the multiple flow passages, the filtering time is prolonged, the water is prevented from flowing out from other parts of the shell of the water purifying device 1 without being filtered, and the purifying reliability is ensured. In addition, the annular reinforcing ribs can further strengthen the structure of the filter element 13, thereby achieving multiple purposes.

The filter element 13 is filled with particles of KDF and calcium sulfite, and the KDF is selected from one or two of KDF55 or KDF 85.

The outside of the filter element 13 is provided with at least one structure fixed with the shell in the circumferential direction and/or at least one structure limited with the shell in the axial direction.

the reinforcing part is a triangle-like reinforcing rib, one side of the triangle-like reinforcing rib is integrated with the mounting part, and the other side of the triangle-like reinforcing rib is integrated with the outer surface of the shell of the water purifying device 1.

The embodiment also provides a washing machine, and the inside of the washing machine is provided with the water inlet structure with the water purifying device.

The washing machine has main washing, prewashing and spraying procedures, and the electromagnetic valve is correspondingly provided with a main washing valve, a prewashing valve and a spraying valve;

the water outlet of the main washing valve is connected with the water inlet of the water purifier, and the water outlet of the water purifier is connected with the main washing waterway inlet of the water injection box;

the water outlet of the prewashing valve is connected with the inlet of a prewashing water path of the water injection box;

preferably, a control program is provided for adjusting the water replenishing process of the washing machine to be replenished by the main washing valve.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a washing machine, includes purifier (1), purifier (1) is installed in washing machine's inside, purifier (1) includes the casing and places inside filter core (13) of casing in, its characterized in that: the shell comprises a shell barrel (11), one end of the shell barrel (11) is closed, the other end of the shell barrel is open, the open end of the shell barrel (11) is provided with a shell upper cover (15) which can be opened, closed and hermetically connected, a filter element (13) is sleeved in the shell barrel (11), the outlet of the filter element (13) is sleeved with the water outlet of the shell upper cover (15), and a rubber gasket (14) for buffering or preventing thermal expansion and cold contraction deformation is arranged at the connecting interface of the shell barrel (11) and the shell upper cover (15);

a filter screen (133) is arranged between the filter element body and the shell, the filter screen (133) is sleeved outside the filter element body, a certain gap space is arranged between the filter element body and the filter screen (133), a plurality of sections of annular reinforcing ribs which are uniformly and alternately distributed are distributed outside the filter element body, and the annular reinforcing ribs form a bent flow channel in a cavity between the shell and the filter screen (133);

the shell of the water purifier (1) extends outwards to be provided with a mounting part which is connected and fixed with a washing machine box body reinforcing part (012);

at least one structure reinforcing part is arranged between the mounting part and the outer surface of the shell of the water purifier (1), the structure reinforcing part is a triangle-like reinforcing rib, one side of the triangle-like reinforcing rib is integrated with the mounting part, and the other side of the triangle-like reinforcing rib is integrated with the outer surface of the shell of the water purifier (1);

the mounting part is provided with at least one surface mutually attached to a washing machine box body reinforcement (012), the mounting part is provided with a first mounting hole and a hook, the washing machine box body reinforcement (012) is provided with a second mounting hole and a hook hole, the hook is connected with the hook hole, and the first mounting hole and the second mounting hole are connected through threads to fix the water purifying device (1) in the washing machine;

the washing machine box body reinforcer (012) is a reinforcing cross beam arranged on the washing machine box body, and the water purifying device (1) is horizontally arranged on the washing machine box body reinforcer (012) on one side of the washing machine box body.

2. The washing machine as claimed in claim 1, wherein:

a first extending edge which is bent outwards in the horizontal radial direction is arranged at the opening end of the shell barrel (11), a second extending edge which is arranged opposite to the first extending edge is arranged on the shell upper cover (15), and a rubber gasket (14) is arranged between the first extending edge and the second extending edge; the two sides of the rubber gasket (14) are respectively matched with the first extending edge and the second extending edge and are tightly attached.

3. The washing machine as claimed in claim 1, wherein: the first extending edge, the second extending edge and the rubber gasket (14) are provided with through holes which are matched with each other and correspondingly overlapped, and the through holes arranged on the first extending edge, the second extending edge and the rubber gasket are connected through bolts so as to be fixedly connected.

4. A washing machine according to any one of claims 1-3, characterized in that: the outlet of the filter element (13) is inserted into the water outlet of the upper cover (15) of the shell, the outer wall of the outlet of the filter element (13) is correspondingly and hermetically attached to the inner wall of the water outlet of the upper cover (15) of the shell, and two or more O-shaped sealing rings are arranged on the attaching contact surface of the outlet of the filter element (13) and the water outlet of the upper cover (15) of the shell.

5. A washing machine according to any one of claims 1-3, characterized in that: the outer wall of the opening end of the shell barrel (11) is provided with a first thread structure, the inner periphery of the shell upper cover (15) is provided with a second thread structure matched with the first thread structure, and the shell upper cover (15) is in threaded sealing connection with the opening of the shell barrel (11).

6. The washing machine as claimed in claim 5, wherein: a plurality of sealing structures are arranged at the joint between the shell barrel (11) and the shell upper cover (15).

7. The washing machine as claimed in claim 6, wherein: the sealing structure is an O-shaped sealing ring.

8. A washing machine according to any one of claims 1-3, characterized in that: at least one structure fixed with the shell in the circumferential direction and/or at least one structure limited with the shell in the axial direction are/is arranged outside the filter element (13).

9. A washing machine according to any one of claims 1-3, characterized in that:

a KDF and calcium sulfite filtering layer is arranged in the filter element (13), and the filtering layer is uniformly mixed with particles of the KDF and the calcium sulfite and integrally filled with the particles, or the KDF and the calcium sulfite are respectively filled layer by layer.

10. A washing machine as claimed in claim 9, wherein: the mass ratio of KDF to calcium sulfite is 15-23: 1.

11. a washing machine as claimed in claim 9, wherein: the mass ratio of KDF to calcium sulfite is 20: 1.

12. a washing machine according to any one of claims 1-3, characterized in that: the water purifier (1) is arranged inside the washing machine and between the electromagnetic valve (200) for controlling water inflow and the water injection box (2), and water sequentially passes through the electromagnetic valve (200), the water purifier (1) and the water injection box (2).