Roller washing machine

Abstract

The utility model discloses a roller washing machine, which comprises a box body, a roller, a roller, a roller, a roller and a driving device, and is characterized in that the box body is provided with a clothes inlet; an opening of the barrel body is opposite to the clothes putting opening; an observation window protruding towards the inner side of the box body is arranged on the door body; after the door body closes the clothes putting opening, the door seal is arranged in the circumferential direction of the observation window, and a penetrating opening is formed in the door seal; the filter is detachably arranged on the observation window and used for filtering washing water, the filter is provided with a water inlet and a water outlet, the water inlet of the filter is opposite to the penetrating opening, and the water outlet of the filter is opposite to the interior of the barrel; and the circulating pump is arranged in the box body and is configured to pump the washing water in the barrel body to the water inlet through the penetrating opening. According to the washing machine, washing water can be filtered in the washing process, impurities carried on clothes are collected, repeated pollution of the clothes is avoided, and the washing effect is improved.

Description

Technical Field

[0001] The present application relates to the technical field of clothing washing equipment, and in particular to a drum washing machine. Background Art

[0002] A washing machine is a cleaning machine that uses electrical energy to generate mechanical action to wash clothes. It has now entered thousands of households and is very popular.

[0003] Washing machines are roughly divided into drum washing machines and pulsator washing machines. Drum washing machines rotate the drum inside to drive the clothes to be turned over for washing. During the washing process, the clothes are continuously subjected to the combined effects of friction, mechanical force, water impact, hot and cold water temperatures, detergents and other care agents, which can clean the stains attached to the clothes, and dissolve and remove detergent residues and stains through multiple rinsing to achieve the purpose of cleaning the clothes.

[0004] In the related art, impurities such as hair carried by the clothes themselves are always mixed in the washing water, and impurities such as lint shed by the clothes during the washing process are also mixed in the washing water, resulting in the clothes being washed in water mixed with various impurities, resulting in the problem of repeated contamination and poor washing effect. Utility Model Content

[0005] The present application provides a drum washing machine, which can filter washing water during the washing process, collect impurities carried on clothes, avoid repeated contamination of clothes, and improve the washing effect.

[0006] A drum washing machine comprises: a casing, the casing being provided with a clothing inlet; a drum, arranged in the casing and used for washing clothing, the opening of the drum being arranged opposite to the clothing inlet; a door, movably arranged on the casing to open or close the clothing inlet, the door being provided with an observation window convexly arranged toward the inner side of the casing; a door seal, arranged on the inner side of the clothing inlet, the door seal being arranged around the circumference of the observation window after the door body closes the clothing inlet, the door seal being provided with a through-opening; a filter, detachably arranged on the observation window and used for filtering washing water, the filter having a water inlet and a water outlet, the water inlet of the filter being opposite to the through-opening, and the water outlet of the filter being opposite to the inside of the drum; a circulating pump, arranged in the casing and configured to pump the washing water in the drum to the water inlet through the through-opening.

[0007] In an exemplary embodiment of the present disclosure, an edge portion of one end of the observation window away from the door body is recessed toward the door body to form a platform portion, and the filter is detachably arranged on the platform portion. After the door body closes the clothing loading port, the door seal is arranged around the filter.

[0008] In an exemplary embodiment of the present disclosure, the filter comprises:

[0009] A shell, an opening is formed on the shell, and the water inlet and the water outlet are arranged on the shell;

[0010] The cover body is detachably connected to the opening of the shell to enclose the shell to form a filter cavity, the filter cavity is used to filter washing water, and the water inlet and the water outlet are connected to the filter cavity.

[0011] In an exemplary embodiment of the present disclosure,

[0012] The shell includes a top plate and a first side plate connected thereto, the top plate extends along the contour of the outer peripheral wall of the observation window, the first side plate extends along the end surface of the observation window away from the door body, the water inlet is arranged on the top plate, and the water outlet is arranged on the first side plate.

[0013] In an exemplary embodiment of the present disclosure,

[0014] The cover body includes a bottom plate and a second side plate, one end of the bottom plate is connected to the first side plate, the other end of the bottom plate is connected to the second side plate, the second side plate is connected to the top plate to enclose the filter cavity, and the bottom plate and / or the second side plate are detachably connected to the wall of the platform portion.

[0015] In an exemplary embodiment of the present disclosure,

[0016] It also includes a mounting bracket, which is arranged on the platform part, and the bottom plate and / or the second side plate are clamped on the mounting bracket.

[0017] In an exemplary embodiment of the present disclosure, the platform portion includes a first connecting wall extending radially along the observation window and a second connecting wall extending axially along the observation window, the mounting bracket includes a first mounting plate opposite to the base plate and a second mounting plate opposite to the second side plate, the first mounting plate and the second mounting plate are connected, the first mounting plate and the second mounting plate are respectively clamped with the base plate and the second side plate, the first connecting wall is clamped with the outer side wall of the second mounting plate, and the second connecting wall is clamped with the outer side wall of the first mounting plate.

[0018] In an exemplary embodiment of the present disclosure, a plurality of the water outlets are spaced apart on the first side plate, a filter net is arranged on the water outlet, and the filter net has filter holes for filtering washing water.

[0019] In an exemplary embodiment of the present disclosure, the through-port is disposed at the top of the door seal, the filter is disposed at the top of the observation window, the water outlet of the circulation pump is connected to a water outlet pipe, and the outlet of the water outlet pipe leads to the through-port.

[0020] In an exemplary embodiment of the present disclosure, a drain pump is further included, wherein the drain pump is configured to pump the washing water of the barrel to outside the box, and the water inlet of the circulation pump is connected to the water inlet of the drain pump.

[0021] Beneficial effects:

[0022] In the present application, the filter is arranged on the observation window, which is convenient for the user to observe the filter and disassemble it to clean the impurities therein, and is equipped with a circulation pump to continuously draw the washing water in the drum and pump it into the filter. The washing water is filtered through the filter during the washing process, and the filtered washing water flows back into the drum, thereby filtering the impurities on the clothes in the filter, avoiding the clothes from being repeatedly contaminated, greatly improving the washing effect of the clothes, and improving user satisfaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A partial structural schematic diagram of a drum washing machine according to some embodiments is shown;

[0024] Figure 2 The structure of the drum washing machine door according to some embodiments is shown. Figure 1 ;

[0025] Figure 3 The structure of the drum washing machine door according to some embodiments is shown. Figure 2 ;

[0026] Figure 4 A schematic diagram of the structure behind the hidden filter of the drum washing machine door according to some embodiments is shown;

[0027] Figure 5 The structure of the observation window according to some embodiments is shown as an example Figure 1 ;

[0028] Figure 6 exemplarily showing a cross-sectional view of a door body according to some embodiments;

[0029] Figure 7 The structure of the observation window according to some embodiments is shown as an example Figure 2 ;

[0030] Figure 8 The schematic diagram of the structure of the housing according to some embodiments is exemplarily shown;

[0031] Fig. 9 The structural schematic diagram of the cover body according to some embodiments is exemplarily shown;

[0032] Fig.10 The structure of the mounting bracket according to some embodiments is shown as an example Figure 1 ;

[0033] Fig.11 The structure of the mounting bracket according to some embodiments is shown as an example Figure 2 ;

[0034] Fig.12 A washing control flow chart of a drum washing machine according to some embodiments is exemplarily shown.

[0035] Description of reference numerals:

[0036] Front panel 1, clothing loading port 11, door body 2, observation window 3, platform portion 31, first connecting wall 311, second connecting wall 312, mounting port 313, positioning portion 314, door seal 4, through-port 41, filter 5, shell body 51, top plate 511, first side plate 512, water inlet 513, water outlet 514, ear 515, cover body 52, bottom plate 521, second side plate 522, positioning column 523, limiting groove 524, mounting bracket 6, first mounting plate 61, positioning hole 611, positioning groove 612, second mounting plate 62, limiting portion 621, mounting portion 622, reinforcing rib 623, avoidance port 624, circulation pump 7, water outlet pipe 71, drainage pump 8. DETAILED DESCRIPTION

[0037] In order to make the purpose and implementation method of the present application clearer, the exemplary implementation method of the present application will be clearly and completely described below in conjunction with the drawings in the exemplary embodiments of the present application. Obviously, the described exemplary embodiments are only part of the embodiments of the present application, not all of the embodiments.

[0038] It should be noted that the brief description of terms in this application is only for the convenience of understanding the embodiments described below, and is not intended to limit the embodiments of this application. Unless otherwise specified, these terms should be understood according to their common and usual meanings.

[0039] The terms "first", "second", "third", etc. in the specification and claims of this application and the above drawings are used to distinguish similar or similar objects or entities, and do not necessarily mean to limit a specific order or sequence, unless otherwise noted. It should be understood that the terms used in this way can be interchangeable under appropriate circumstances.

[0040] The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover but not exclude inclusion, for example, a product or device comprising a list of components is not necessarily limited to all the components expressly listed but may include other components not expressly listed or inherent to such product or device.

[0041] In the related art, impurities such as hair carried by the clothes are always mixed in the washing water, and impurities such as thread scraps shed by the clothes during the washing process are also mixed in the washing water, resulting in the problem of repeated contamination of the clothes being washed in water mixed with various impurities, and poor washing effect. To solve this problem, the present application proposes a drum washing machine.

[0042] See also Figures 1 to 3 A drum washing machine may include a housing. The housing is the external integral structure of the drum washing machine. The housing is a hollow structure with an internal space, in which other component structures of the drum washing machine may be arranged, such as a circuit structure, an air duct structure, a driving mechanism, and a drainage structure. The housing may be arranged in a rectangular parallelepiped shape or in a cylindrical shape, and of course, is not limited to the above shapes.

[0043] In some embodiments, a clothes-introducing port 11 is provided on the housing, and the user puts clothes into the drum washing machine for washing through the clothes-introducing port 11. The housing may include a front panel 1, and the front panel 1 is formed with the clothes-introducing port 11, which can be selectively opened or closed. When opened, it is convenient to put clothes to be washed therein, and when closed, it is convenient to take out the washed clothes, so as to prevent dust and other impurities from entering the washing machine.

[0044] In some embodiments, the drum washing machine may include a drum, which is disposed in the housing and is used to wash clothes. The drum as a whole may be a cylindrical structure, with an opening at one end, and a washing chamber formed inside. The opening of the drum is disposed opposite to the clothes loading port 11, so that clothes can be put into the drum through the clothes loading port 11.

[0045] In some embodiments, the drum body may include an outer drum, which is disposed in the box body, and the outer drum is a container for holding washing water, and is a cylindrical structure with one end open. A drain port may be provided at the bottom of the outer drum, through which the washing water after washing is discharged out of the box body.

[0046] In some embodiments, the drum body may include an inner drum, which is rotatably arranged in the outer drum, and the clothes finally enter the inner drum, and the inner drum is a cylindrical structure with one end open. The clothes in the inner drum are repeatedly raised and lowered by the rotation of the inner drum, so that the clothes are beaten to remove the stains in the clothes, thereby achieving the washing function.

[0047] In some embodiments, the inner cylinder is connected to a rotary motor, and the rotary motor drives the inner cylinder to rotate, wherein the rotary motor can be arranged at the rear of the outer cylinder.

[0048] In some embodiments, a plurality of water holes are formed on the peripheral wall of the inner drum, and washing water can enter the inner drum from the outer drum or enter the outer drum from the inner drum through the plurality of water holes. The opening of the inner drum is also formed on its front surface, and its opening faces the clothing loading port 11.

[0049] In some embodiments, the drum washing machine may include a door body 2, which is movably arranged on the housing to open or close the clothing loading port 11. In some embodiments, the door body 2 may be hinged on the front panel 1 of the housing, corresponding to the clothing loading port 11, and the clothing loading port 11 may be opened or closed by rotating the door body 2, which is convenient to operate.

[0050] See also Figures 4 to 7 In some embodiments, the door body 2 is provided with an observation window 3 protruding toward the inner side of the box body, through which the washing condition of the clothes in the inner drum of the drum washing machine can be checked, for example, the water level in the inner drum can be checked.

[0051] In some embodiments, the observation window 3 can be made of glass material to have a perspective effect, so that the user can observe the situation in the inner cylinder from the outside. The door body 2 has an opening in the middle, and the observation window 3 can be a cylinder structure with one end open. The open end of the observation window 3 is connected to the middle opening of the door body 2, and its bottom end extends into the box body when the door body 2 is closed, playing a sealing role.

[0052] In some embodiments, the drum washing machine may further include a door seal 4, which is arranged on the inner side of the clothing loading port 11, with the front end of the door seal 4 connected to the clothing loading port 11, and the rear end of the door seal 4 connected to the open end of the outer drum, and forming a seal between the open end of the outer drum and the clothing loading port 11. After the door body 2 closes the clothing loading port 11, the front end of the door seal 4 and the door body 2 are tightly pressed against and form a seal with the door body 2, thereby preventing the washing water in the inner drum and the outer drum from leaking out. After the door body 2 closes the clothing loading port 11, the door seal 4 is arranged circumferentially around the observation window 3, which does not affect the use of the observation window 3.

[0053] In some embodiments, the drum washing machine may include a filter 5, which is detachably arranged on the observation window 3 and is used to filter the washing water. After opening the door 2, the user can disassemble and clean the filter 5, which is easy to operate.

[0054] In some embodiments, the filter 5 is disposed on the observation window 3 , so that the user can visually see the filter 5 after opening the door 2 , thereby avoiding forgetting to clean the filter 5 , which would cause debris to accumulate and overflow from the filter 5 .

[0055] In some embodiments, the filter 5 has a water inlet 513 and a water outlet 514 , and a through hole 41 is opened on the door seal 4 , the water inlet 513 and the through hole 41 are opposite to each other, and the water outlet 514 and the inside of the cylinder are opposite to each other.

[0056] In some embodiments, the drum washing machine may include a circulation pump 7, which is arranged in the casing and configured to pump the washing water in the drum through the through-port 41 to the water inlet 513, thereby sending the washing water in the drum into the filter 5 for filtration, and the filtered washing water returns to the drum through the water outlet 514. This cycle is repeated repeatedly, and the washing water can be continuously filtered during the washing process, and impurities such as hair can be collected in the filter 5, thereby preventing the clothes from being repeatedly contaminated and improving the washing effect.

[0057] In some embodiments, the through-port 41 is arranged at the top of the door seal 4, and the filter 5 is arranged at the top of the observation window 3, so that the washing water entering the water inlet 513 of the filter 5 through the through-port 41 can flow down naturally, and when the water outlet 514 of the filter 5 flows out the washing water into the cylinder, the washing water can flow back into the cylinder better.

[0058] In some embodiments, the water outlet 514 of the circulation pump 7 is connected to the water outlet pipe 71 , and the outlet of the water outlet pipe 71 passes through the through-port 41 , so that the washing water can be pumped from the cylinder into the filter 5 .

[0059] In some embodiments, the filter 5 can also be set at other positions of the observation window 3, such as the middle or bottom position of the observation window 3. At this time, the water outlet 514 of the filter 5 can be set at a certain angle toward the center of the cylinder to facilitate the backflow of washing water to the cylinder.

[0060] In some embodiments, the drum washing machine may further include a drain pump 8, which is disposed in the casing and configured to pump the washing water of the drum to the outside of the casing to prevent the washing water from remaining in the drum after washing is completed. The water inlet 513 of the drain pump 8 is connected to the drain outlet of the outer drum.

[0061] In some embodiments, the water inlet 513 of the circulation pump 7 is connected to the water inlet 513 of the drainage pump 8, so that the opening and closing of the two can be controlled to realize the circulation of the washing water to the filter 5 and the discharge of the washing water to the outside. In some embodiments, the circulation pump 7 can also be the drainage pump 8, and the water outlet 514 of the drainage pump 8 is provided with two outlets, which are controlled by valves, one for discharging outside the box and the other for pumping to the filter 5.

[0062] In some embodiments, the edge of one end of the observation window 3 away from the door body 2 is recessed toward the door body 2 to form a platform portion 31, and the filter 5 is detachably arranged on the platform portion 31. After the door body 2 closes the clothing inlet 11, the door seal 4 is arranged around the filter 5. In this way, the filter 5 does not occupy extra space and is convenient for arrangement. After the user opens the door body 2, the filter 5 can be intuitively seen to remind the user to disassemble and clean it.

[0063] In some embodiments, the platform portion 31 includes a first connecting wall 311 extending radially along the observation window 3, and the first connecting wall 311 is arc-shaped when viewed from the inner side to the outer side of the box body. The platform portion 31 includes a second connecting wall 312 extending axially along the observation window 3, and the second connecting wall 312 is connected to the first connecting wall 311 to form an L-shaped platform.

[0064] See also Figures 8 to 9 In some embodiments, the filter 5 may include a housing 51, an opening is provided on the housing 51, a cavity is provided inside the housing 51, and a water inlet 513 and a water outlet 514 of the filter 5 are provided on the housing 51. The filter 5 may also include a cover 52, which is detachably connected to the opening of the housing 51 to enclose the housing 51 to form a filter chamber, and the two are detachably connected, so that after a certain amount of impurities are accumulated inside, it is convenient to remove and clean the impurities inside. The filter chamber is used to filter washing water, and the water inlet 513 and the water outlet 514 are connected to the filter chamber, and the filtered washing water flows back to the cylinder from the water outlet 514, and the impurities are retained in the filter chamber.

[0065] In some embodiments, the housing 51 may include a top plate 511, which extends along the contour of the outer peripheral wall of the observation window 3, so that the housing 51 can be organically integrated with the observation window 3, improving the overall aesthetics, and can reasonably utilize the space to arrange the filter 5, so that the capacity of the filter 5 is as large as possible without affecting the field of view of the door seal 4 and the observation window 3. Since the observation window 3 is a cylindrical structure as a whole, the top plate 511 can be a curved plate structure.

[0066] The water inlet 513 is arranged on the top plate 511, so that the washing water can flow from the through hole 41 to the water inlet 513 on the top plate 511, and can naturally receive the washing water into the filter cavity. In order to allow the washing water to enter the filter cavity as much as possible, the opening of the water inlet 513 is appropriately opened larger, and two or more water inlets 513 are arranged at intervals along the circumference of the top plate 511. In addition to being used for the washing water, the opened water inlet 513 can also be used as a handle, so that the user can install and remove the filter 5 through the water inlet 513.

[0067] In some embodiments, the housing 51 may include a first side plate 512, the first side plate 512 is connected to the top plate 511, the first side plate 512 extends along the end surface of the observation window 3 away from the door body 2, and the first side plate 512 forms a support for the top plate 511. The top plate 511 and the first side plate 512 can be integrally formed and made by a plastic injection molding process. The water outlet 514 is provided on the first side plate 512, and the first side plate 512 is opposite to the open end of the cylinder, so that the washing water can flow back directly to the cylinder under the pumping pressure of the circulation pump 7.

[0068] In some embodiments, the cover 52 may include a bottom plate 521, the bottom plate 521 is arranged opposite to the top plate 511, and one end of the bottom plate 521 is connected to the first side plate 512. The cover 52 may also include a second side plate 522, the other end of the bottom plate 521 is connected to the second side plate 522, and the second side plate 522 is connected to the top plate 511 to enclose and form a filter cavity. Among them, since the top plate 511 is an arc-shaped plate, the two ends of the top plate 511 in the circumferential direction are respectively connected to the bottom plate 521, and the cover 52 is embedded in the housing 51 to form a filter 5.

[0069] In some embodiments, the bottom plate 521 and / or the second side plate 522 are detachably connected to the wall surface of the platform portion 31, such as by snapping, bonding, etc., which is easy to disassemble and firmly connected.

[0070] In some embodiments, the cover 52 and the housing 51 are connected by screws to achieve a detachable connection. The top plate 511 partially protrudes toward the bottom plate 521 to form an ear 515, and a screw hole is provided on the ear 515. The top plate 511 is screwed to the second side plate 522 corresponding to its position by screws passing through the screw holes.

[0071] In some embodiments, a plurality of water outlets 514 are arranged at intervals on the first side plate 512, and the shape of the water outlets 514 can be rectangular, triangular, trapezoidal or irregular. The plurality of water outlets 514 can increase the flow rate of the washing water back into the cylinder and improve the filtering efficiency. A filter net is arranged on the water outlet 514, and the filter net has filter holes for filtering the washing water. The number of filter holes is reasonably set to filter impurities such as clothes and hair attached to the clothes.

[0072] See also Figure 10 to Figure 11 In some embodiments, the drum washing machine also includes a mounting bracket 6, which is disposed on the platform portion 31, and the bottom plate 521 and / or the second side plate 522 are snapped onto the mounting bracket 6, thereby realizing a detachable connection between the filter 5 and the observation window 3 through the mounting bracket 6.

[0073] In some embodiments, the mounting bracket 6 may include a first mounting plate 61, which is opposite to the base plate 521 and can be snap-connected with the base plate 521. A positioning hole 611 may be opened on the first mounting plate 61, and a positioning column 523 is arranged at a position relative to the base plate 521. The positioning column 523 is snap-connected in the positioning hole 611, so that the first mounting plate 61 and the base plate 521 are snap-connected and positioned.

[0074] In some embodiments, the mounting bracket 6 may include a second mounting plate 62, the second mounting plate 62 and the second side plate 522 are opposite, and the second mounting plate 62 and the first mounting plate 61 are connected, so that the overall shape of the mounting bracket 6 is similar to the cover body 52. ​​A limiting portion 621 may be convexly provided on the second mounting plate 62, and a limiting groove 524 is provided at a corresponding position of the second side plate 522. The limiting portion 621 is clamped in the limiting groove 524, so that the second mounting plate 62 and the second side plate 522 are clamped and positioned. Among them, the contours of the limiting portion 621 and the limiting groove 524 correspond to each other, and can be the same shape such as a triangle, a trapezoid, etc.

[0075] In some embodiments, at least two reinforcing ribs 623 are provided on the outer side wall of the second mounting plate 62. By providing the reinforcing ribs 623, the structural strength of the mounting bracket 6 can be increased, and the life of the mounting bracket after long-term disassembly and use can be improved. A clearance opening 624 is provided on the upper edge of the second mounting plate. The position of the clearance opening 624 corresponds to the position of the ear 515 to avoid the screws penetrated by the ear 515.

[0076] In some embodiments, the outer side wall of the second mounting plate 62 is engaged with the first connecting wall 311 of the platform portion 31, and the outer side wall of the first mounting plate 61 is engaged with the second connecting wall 312 of the platform portion 31, so that the mounting bracket 6 is detachably mounted on the platform portion 31. When the filter 5 needs to be removed, it can be removed from the mounting bracket 6. By providing the mounting bracket 6, it is avoided to open a complex hole and groove structure on the observation window 3, and the process difficulty is reduced.

[0077] In some embodiments, a mounting opening 313 is provided on the first connecting wall 311, and a mounting portion 622 is provided at a corresponding position on the outer wall of the second mounting plate 62, and the mounting portion 622 is snapped into the mounting opening 313 to achieve snap-fit ​​positioning of the two. A positioning portion 314 is provided on the second connecting wall 312, and a positioning groove 612 is provided at a corresponding position on the outer wall of the first mounting plate 61, and the positioning portion 314 is snapped into the positioning groove 612 to achieve snap-fit ​​positioning of the two. The shapes of the mounting opening 313 and the mounting portion 622 can correspond, and the shapes of the positioning groove 612 and the positioning portion 314 can correspond, so as to facilitate their respective snap-fitting and facilitate installation and disassembly.

[0078] In some embodiments, the filter 5 can also be directly detachably mounted on the platform portion 31, which saves intermediate connecting parts and reduces costs.

[0079] See also Fig.12 After receiving the washing program selected by the user, the drum washing machine runs the washing program. During the running of the washing program, the running time is recorded. When the running time reaches more than the first preset time, the circulating pump 7 is started, and the washing water is pumped to the filter 5 by the circulating pump 7. After the circulating pump 7 works for the second preset time, it automatically stops. After the washing program continues to run for the third preset time, the drain pump 8 works. This cycle is repeated until the running time of the washing program is less than the third preset time, and then the drain program is run, the drain pump 8 is started to enter the drainage stage, and the circulating pump 7 stops working. In the rinsing stage, the circulating pump 7 does not work.

[0080] The first preset time is greater than or equal to 5 minutes, and can be 5 minutes, 15 minutes, 25 minutes, etc., depending on the washing program. The second preset time is greater than or equal to 6 minutes, and can be 6 minutes, 8 minutes, etc., depending on the amount of laundry. The third preset time can be 5 minutes or 6 minutes, and can be flexibly adjusted during specific washing.

[0081] In summary, in this embodiment, by arranging the filter 5 on the observation window 3, it is convenient for the user to observe the filter 5 and disassemble and clean the impurities therein. By equipping the circulating pump 7, the washing water in the drum is continuously pumped into the filter 5, and the washing water is filtered by the filter 5 during the washing process, and the filtered washing water flows back into the drum, thereby filtering the impurities on the clothes in the filter 5, avoiding the clothes from being repeatedly contaminated, greatly improving the washing effect of the clothes, and improving user satisfaction.

[0082] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

[0083] For the convenience of explanation, the above description has been made in conjunction with specific embodiments. However, the above exemplary discussion is not intended to be exhaustive or limit the embodiments to the specific forms disclosed above. Based on the above teachings, various modifications and variations can be obtained. The selection and description of the above embodiments are to better explain the principles and practical applications, so that those skilled in the art can better use the embodiments and various different variations of the embodiments suitable for specific use considerations.

Claims

1. A drum washing machine, characterized in that: include: A box body, wherein a clothing loading port is provided on the box body; A drum body, arranged in the box body, for washing clothes, the opening of the drum body being arranged opposite to the clothes loading port; A door body, movably arranged on the box body to open or close the clothing loading port, and the door body is provided with an observation window protruding toward the inner side of the box body; A door seal is arranged on the inner side of the clothing loading port. After the door body closes the clothing loading port, the door seal is arranged around the circumference of the observation window. A through opening is opened on the door seal. A filter, detachably disposed on the observation window, for filtering washing water, the filter having a water inlet and a water outlet, the water inlet of the filter being opposite to the through-hole, and the water outlet of the filter being opposite to the interior of the cylinder; The circulation pump is disposed in the box body and is configured to pump the washing water in the cylinder body to the water inlet through the through-port.

2. The drum washing machine according to claim 1, characterized in that: The edge portion of one end of the observation window away from the door body is recessed toward the door body to form a platform portion, and the filter is detachably arranged on the platform portion. After the door body closes the clothing loading port, the door seal is arranged around the filter.

3. The drum washing machine according to claim 2, characterized in that: The filters include: A shell, an opening is formed on the shell, and the water inlet and the water outlet are arranged on the shell; The cover body is detachably connected to the opening of the shell to enclose the shell to form a filter cavity, the filter cavity is used to filter washing water, and the water inlet and the water outlet are connected to the filter cavity.

4. The drum washing machine according to claim 3, characterized in that: The shell includes a top plate and a first side plate connected thereto, the top plate extends along the contour of the outer peripheral wall of the observation window, the first side plate extends along the end surface of the observation window away from the door body, the water inlet is arranged on the top plate, and the water outlet is arranged on the first side plate.

5. The drum washing machine according to claim 4, characterized in that: The cover body includes a bottom plate and a second side plate, one end of the bottom plate is connected to the first side plate, the other end of the bottom plate is connected to the second side plate, the second side plate is connected to the top plate to enclose the filter cavity, and the bottom plate and / or the second side plate are detachably connected to the wall of the platform portion.

6. The drum washing machine according to claim 5, characterized in that: It also includes a mounting bracket, which is arranged on the platform part, and the bottom plate and / or the second side plate are clamped on the mounting bracket.

7. The drum washing machine according to claim 6, characterized in that: The platform portion includes a first connecting wall extending radially along the observation window and a second connecting wall extending axially along the observation window, the mounting bracket includes a first mounting plate opposite to the base plate and a second mounting plate opposite to the second side plate, the first mounting plate and the second mounting plate are connected, the first mounting plate and the second mounting plate are respectively clamped with the base plate and the second side plate, the first connecting wall is clamped with the outer side wall of the second mounting plate, and the second connecting wall is clamped with the outer side wall of the first mounting plate.

8. The drum washing machine according to claim 4, characterized in that: A plurality of the water outlets are arranged at intervals on the first side plate, a filter net is arranged on the water outlet, and the filter net has filter holes for filtering washing water.

9. The drum washing machine according to claim 1, characterized in that: The through-port is arranged at the top of the door seal, the filter is arranged at the top of the observation window, the water outlet of the circulation pump is connected to the water outlet pipe, and the outlet of the water outlet pipe leads to the through-port.

10. The drum washing machine according to claim 1, characterized in that: It also includes a drainage pump, which is configured to pump the washing water of the barrel to the outside of the box, and the water inlet of the circulation pump is connected to the water inlet of the drainage pump.

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