CN101307557B - Clothes treatment device - Google Patents

Abstract

The invention discloses a clothes treatment device with a detergent supply device for supplying detergent. It comprises the following parts: a water supply pipe for supplying water; a washing drum for storing water supplied from the water supply pipe; a detergent supply device for supplying detergent to the washing drum together with water supplied from the water supply pipe; a cassette for storing detergent and mounted on the detergent supply device. With the clothes treatment device of the invention, a user does not need to put in detergent every time the clothes treatment device is driven, and because proper amount of detergent can be automatically put in according to the amount of put-in detergent, the detergent can be saved, and the condition that washing water is polluted due to excessive use of the detergent can be prevented.

Description

Clothes treatment device

technical field

The present invention relates to a clothes treating device, and more specifically relates to a clothes treating device with a detergent supply device that prevents users from injecting detergent every time. the

Background technique

Generally speaking, the laundry treatment device uses the softness of the detergent, the friction between the laundry and water, and the impact applied to the laundry to remove various pollutants attached to the laundry, or to dry the laundry. dry device. the

The types of the above-mentioned clothes processing devices include devices that only perform washing or drying functions, or devices that can perform washing and drying functions at the same time. Recently, a clothes treating device equipped with a steam supply device and provided with refreshing functions such as wrinkle removal, deodorization, and static electricity removal for clothes and the like has become widespread. the

According to the direction in which the clothes are taken out, the clothes processing device can be classified into a front-opening type or a top-opening type. And, according to the manner of performing washing operation, the above-mentioned clothes treating apparatus can be classified into a vertical axis type in which an agitator or an inner washing tub rotates, and a horizontal type in which a drum arranged in a horizontal direction rotates. the

A typical example of a horizontal laundry processing apparatus is a front-loading washing machine. Hereinafter, description will be made by taking a drum washing machine as an example. the

The above-mentioned drum washing machine includes: a casing forming an appearance; a washing tub arranged inside the casing for storing washing water; rotatably installed on the inside of the above-mentioned washing tub, and cleaning the laundry contained therein. A washing drum; a motor installed behind the above-mentioned washing drum and used to generate the rotational force of the above-mentioned drum. the

Wherein, an inlet for putting in laundry is provided on the front of the housing, and the inlet will be opened and closed by a door rotatably combined with the housing. the

A detergent box for users to inject detergent is provided in front of the above-mentioned housing, and the above-mentioned detergent box is generally provided with: a powder detergent storage part for storing powder detergent; a liquid detergent for storing softener or bleach, etc. Liquid detergent storage for detergent. the

Next, the operation of the drum washing machine provided with the detergent box will be described. the

While the laundry is put into the drum, an appropriate amount of detergent will be put into the powder detergent storage part and the liquid detergent storage part of the detergent box respectively. the

Next, when the drum washing machine is driven, water is supplied to the detergent box, and the detergent stored in the detergent box is washed away together with the sprayed water and supplied to the washing tub. Next, the above-mentioned drum will rotate with the motor, and perform operations such as washing, washing, and dehydrating of the laundry. the

However, in a general drum washing machine, a user needs to inject detergent every time the drum washing machine is driven, which causes inconvenience in operation. the

In addition, the user needs to predict the amount of laundry to be injected into the drum and inject detergent accordingly, so it is difficult to inject an appropriate amount of detergent corresponding to the amount of laundry. the

Contents of the invention

In order to solve the above-mentioned problems in the prior art, an object of the present invention is to provide a laundry treatment device, in which a user does not need to inject detergent every time the laundry treatment device is driven. the

In addition, another object of the present invention is to provide a laundry treatment apparatus, in which an appropriate amount of detergent can be automatically supplied according to the amount of laundry. the

In order to achieve the above object, the clothes processing device in the present invention includes the following parts: a water supply pipe for supplying water; a washing tub for storing the water supplied from the above water supply pipe; The supplied water is also supplied to the detergent supply device of the above-mentioned washing tub; detergent is stored inside and installed in the cassette of the above-mentioned detergent supply device. the

Wherein, preferably, the above-mentioned detergent supply device is provided with: a detergent box for installing the above-mentioned cassette; a pump for pumping the detergent stored in the above-mentioned cassette; The mixing tank for mixing the water supplied by the above-mentioned water supply pipe. the

Furthermore, it is preferable that the detergent box includes: a plurality of cassette mounting parts; and an outflow pipe communicating with each of the cassette mounting parts and allowing the detergent stored in the cassette to flow out. the

Furthermore, it is preferable that the present invention is further provided with a detergent amount detection unit for detecting the amount of detergent stored in each of the cassettes. the

And, preferably, be provided with in the above-mentioned cassette installation part: the main cassette installation part that is used to store the cassette of the main detergent that supplies when washing operation is installed; Cassette installation department. the

In addition, it is preferable that the outflow pipe is provided with an opening and closing device for allowing the detergent stored in the cassette to flow out only when the pump is driven. the

And, preferably, be provided with in the above-mentioned outflow pipe: the first outflow flow path that communicates with the above-mentioned cassette mounting part; Road; a block formed at the end of the second outflow path. the

In addition, preferably, the opening and closing device is provided with: an elastic spring whose one end is supported by the block; and a pinball elastically supported by the elastic spring to close the first outflow path. the

Furthermore, preferably, the opening and closing device is provided with: a valve body made of elastic material for closing the end of the outflow pipe; and a fixing part for fixing one end of the valve body to the outflow pipe. the

Furthermore, preferably, the present invention further includes: branch pipes connected to the respective outflow pipes; and a joint pipe connected to the respective branch pipes on one side and connected to the mixing cylinder on the other side. the

Furthermore, it is preferable that the height of the part where the said junction pipe is connected with the said mixing cylinder is higher than the height of the part where the said water supply pipe and the said mixing cylinder are connected. the

Furthermore, it is preferable that the present invention further includes: valves provided on the respective branch pipes; and a control unit that controls the opening and closing operations of the respective valves according to strokes. the

Furthermore, preferably, the present invention further includes: a weight detection unit for detecting the weight of the laundry; and a pollution degree detection unit for detecting the pollution degree of the laundry. the

Moreover, it is preferable that the said control part controls the rotational speed of the said pump based on the value detected by the said weight detection part and the said pollution degree detection part. the

In addition, it is preferable that the detergent box is provided at a lower portion of the casing. the

Moreover, it is preferable that the said detergent box is provided in the drawer which slides to the front of the said housing|casing, and can be taken in and out. the

In addition, it is preferable that the detergent box is provided on an upper portion of the casing. the

According to the laundry treating device of the present invention, the user does not need to inject detergent every time the laundry treating device is driven. the

Moreover, in the present invention, since an appropriate amount of detergent can be automatically dispensed according to the amount of laundry to be dispensed, detergent can be saved and washing water polluted due to excessive use of detergent can be prevented. the

Description of drawings

Fig. 1 is a perspective view of a drum washing machine in an embodiment of the present invention;

Figure 2 is a cross-sectional view of the laundry treatment device illustrated in Figure 1;

Fig. 3 is the schematic diagram of the cartridge 400 installed in the detergent supply device in Fig. 1;

Fig. 4 is the schematic diagram of the detergent supply device in an embodiment of the present invention;

Figure 5 shows the opening and closing device in an embodiment of the present invention;

Figure 6 shows the opening and closing device in another embodiment of the present invention;

Fig. 7 is a cross-sectional view of the state where the above-mentioned cassette is installed in the cassette installation portion;

8 is a block diagram illustrating various devices installed in the laundry treating device of the present invention and the relationship between the various devices;

Figure 9 is a perspective view of a detergent supply device in another embodiment of the present invention;

FIG. 10 is a sectional view of a state where a cartridge is installed in the detergent supply device illustrated in FIG. 9 . the

Detailed ways

Hereinafter, the laundry treating device in a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. the

There may be many kinds of clothes treating devices, and below, a drum washing machine as one of the clothes treating devices will be described as an example. the

As shown in Figures 1 and 2, the clothes treatment device in one embodiment of the present invention is provided with the following parts: a casing 110 forming an appearance; The washing drum 120 ; the drum 130 rotatably installed inside the washing drum 120 ; and the motor 150 for driving the drum 130 . . the

On the front of the casing 110 is provided an inlet 111 for putting in laundry, and the inlet 111 is opened and closed by a door 112 rotatably mounted on the casing 110 . the

In addition, a control panel 115 is provided on one side of the housing 110, and the control panel 115 is provided with: an input unit 160 that provides the user with a choice of various contents or input information; The display part 170; the control part 180 for controlling the operation of the drum washing machine. Wherein, the input unit 160 may be composed of general keys or keypads, etc., and the display unit 170 may be composed of an LCD (Liquid Crystal Display) or other display devices. the

The upper part of the washing tub 120 is supported on the upper part of the casing 110 by the suspension spring 121 , and the lower part of the washing tub 120 is supported by the friction damper 122 . Therefore, when the above-mentioned drum 130 is rotated at a high speed, vibration generated in the drum washing machine can be reduced. the

A lifting device 131 is installed on the inner peripheral surface of the drum 130, and the lifting device 131 is used to lift the laundry thrown into the drum 130 to a predetermined position. In addition, a plurality of through holes 132 are formed in order to discharge washing water from the drum 130 during a washing process such as dehydration. the

The upper side of the above-mentioned washing tub 120 is provided with: a water supply pipe 140 for supplying water to the inside of the above-mentioned washing tub 120 from an external water source; a water supply valve 141 installed on the above-mentioned water supply pipe 140 and used to control the supply state of water . the

In addition, a drain hose 116, a drain pump 117, and the like are installed on the lower side of the washing tub 120 to discharge washing water used for washing and cleaning to the outside. the

A detergent supply device 200 is provided on one side of the casing 110, and detergent is stored in the detergent supply device 200, and it will supply detergent to the washing tub 120 together with the water supplied from the water supply pipe 140. . the

As shown in FIG. 3 , a cartridge 400 is installed in the detergent supply device 200 . the

Liquid detergent is stored inside the cassette 400 , and a nozzle 410 is provided at a lower portion of the cassette 400 , and an outlet for the liquid detergent stored inside is formed in the nozzle 410 . the

The above-mentioned detergent supply device 200 is provided with: a detergent box 210 equipped with a cassette 400; a pump 220 for pumping the detergent stored in the cassette 400; 140 supplies the water for mixing to the mixing cylinder 230 . the

1 and 2 illustrate that the detergent box 210 is provided in the drawer 181 , and the drawer 181 is provided in the lower part of the housing 110 and can be slid in and out in front of the housing 110 . the

In order to store various detergents, the detergent box 210 is preferably provided with a plurality of cartridge installation parts 211 , 212 , 213 . In this embodiment, the detergent box 210 is provided with three cassette mounting parts 211, 212, and 213. However, it is also possible to provide more or less than three cassette mounting parts. the

The above-mentioned cassette mounting part is provided with: a main cassette mounting part 211 for mounting a cassette storing main detergent supplied during washing operation; an auxiliary cassette mounting part 211 for mounting a cassette storing auxiliary detergent supplied during cleaning operation. 212. In addition, it is preferable that both the main detergent supplied during the washing process and the auxiliary detergent supplied during the washing process are liquid detergents. the

Furthermore, it is preferable that a cover 215 is attached to the upper portion of each of the cassette mounting portions 211 , 212 , 213 so that the cassette 400 mounted on the cassette mounting portions 211 , 212 , 213 can be mounted stably. the

Outflow pipes 211a, 212a, 213a are arranged on the rear side of the above-mentioned detergent box 210, and the above-mentioned outflow pipes 211a, 212a, 213a will communicate with the above-mentioned cassette mounting parts 211, 212, 213 respectively, and make the detergent flow out. the

Fig. 4 is a schematic diagram of a detergent supply device in an embodiment of the present invention. the

Above-mentioned outflow pipe 211a, 212a, 213a is respectively connected with each branch pipe 221, 222, 223, and above-mentioned each branch pipe 221, 222, 223 will be connected by a junction pipe 225, and in addition, pump 220 is installed on above-mentioned junction pipe 225 . the

In addition, the height of the part where the above-mentioned junction pipe 225 is combined with the mixing cylinder 230 is preferably higher than the height of the part where the above-mentioned water supply pipe 140 is connected with the mixing cylinder 230. This is to prevent the water supplied from the above-mentioned water supply pipe 140 from passing through the junction pipe 225. Backflow into the above-mentioned detergent box 210. the

On-off valves 221 a , 222 a , 223 a for opening and closing the respective branch pipes 221 , 222 , 223 are attached to the respective branch pipes 221 , 222 , 223 . the

In addition, an opening and closing device is provided in each of the above-mentioned outflow pipes 211a, 212a, and 213a. Only when the above-mentioned pump 220 is driven after the above-mentioned drawer 181 is completely inserted into the above-mentioned housing 110, the above-mentioned opening and closing device is installed on the cassette mounting portion. The detergent inside the cartridge 400 at 211, 212, 213 flows out. the

Figure 5 illustrates a switchgear in one embodiment of the present invention, and Figure 6 illustrates a switchgear in another embodiment of the present invention. Because the structure of the opening and closing device provided in each outflow pipe 211a, 212a, 213a is all the same, therefore, the following will only be limited to the opening and closing device installed in the outflow pipe 211a of the main cassette installation part 211 of the cassette for storing the main detergent. Closing device is described. the

As shown in Figure 5, the outflow pipe 211a in one embodiment of the present invention is formed with: a first outflow flow path 218 communicated with the main cassette installation part 211; extended from the first outflow flow path 218, and its diameter is larger than the above The second outflow channel 219 of the first outflow channel 218 . In addition, a block 214 is formed at the end of the second outflow channel 219 . the

The opening and closing device attached to the inside of the outflow pipe 211 a may be constituted by a check valve 300 . The check valve 300 is provided with: an elastic spring 310 whose one end is supported by the block 214 ; and a pinball 320 elastically supported by the elastic spring 310 and used to close one side of the first outflow channel 218 . the

In general, the elastic spring 310 supports the pinball 320 and closes the outlet side of the first outflow channel 218 to prevent the liquid detergent in the main cartridge mounting portion 211 from flowing out. When the pump 220 is driven and the pressure on the outside of the outflow pipe 211a decreases, the elastic spring 310 will be compressed, and the pinball 320 will open the outlet side of the first outflow channel 218 to allow the liquid detergent to flow out. , the liquid detergent flowing out will rise under the pressure of the pump 220 . the

As described above, the liquid detergent stored in the cartridge 400 installed in the above-mentioned main cartridge installation part 211 will not flow out through the outflow pipe 211a. However, when the pump 220 is driven, the outflow pipe 211a is opened under pressure to allow the liquid detergent to flow out. the

A check valve in another embodiment of the present invention is illustrated in FIG. 6 . the

The check valve 300 of the embodiment of the present invention is provided with: a valve body 330 for opening or closing the outflow pipe 211a; and a fixing part 340 for fixing the valve body 330 on the outflow pipe 211a. Wherein, the valve body 330 may be made of elastic material. In this case, the valve body 330 will elastically deform under the pressure of the pump 220 and open the outlet 228 . the

Generally speaking, the valve body 330 will be inserted into the outflow tube 211a, and close the above-mentioned outflow port 228 . Therefore, the liquid detergent stored in the cassette 400 installed on the main cassette installation part 211 will not flow out. However, when the pump 220 is driven to reduce the pressure outside the outflow pipe 211a, the valve body 330 rotates around the fixed part 340 to open the outflow port 228 . Accordingly, the liquid detergent stored in the cassette 400 mounted on the main cassette mounting portion 211 flows out. the

FIG. 8 is a block diagram illustrating various devices installed in the laundry treating apparatus of the present invention and the relationship among the various devices. the

The clothes processing device in the present invention may include: a weight detection part 125 for detecting the weight of the laundry; a pollution degree detection part 126 for detecting the pollution degree of the laundry; Detergent amount detecting part of amount of detergent. the

In addition, the control unit 180 controls the water supply valve 141, the valves 221a, 222a, 223a, the pump 220, and the display unit 170 based on the information detected by the weight detection unit 125, the detergent amount detection unit, and the pollution degree detection unit 126. the

Hereinafter, the operation of the drum washing machine as described above will be described in detail. the

When the user puts the laundry in the drum 130 and instructs the drum washing machine to drive through the input unit 160 , the weight detection unit 125 will detect the weight of the laundry contained in the drum 130 . And the pollution degree detection part 126 will detect the pollution degree of the laundry that needs to be washed, and the detergent amount detection part then detects the detergent amount stored in each cassette installation part 211, 212, 213, and the detected information is transmitted to the above-mentioned control unit 180 . the

The control unit 180 will receive the information detected by the detergent amount detection unit, and when it is judged that there is no detergent stored in the cartridge mounting units 211, 212, 213, it will display “no detergent” on the display unit 170. , so that the user replenishes the detergent to the above-mentioned cartridge installation parts 211, 212, 213. the

In addition, the above-mentioned control unit 180 will calculate the appropriate amount of detergent that needs to be put in according to the information detected by the above-mentioned weight detection unit 125 and the pollution degree detection unit 126, and display the above-mentioned calculated appropriate amount of detergent and the stored detergent amount. The section 170 is displayed to allow the user to confirm. the

Subsequently, the control unit 180 controls the pump 220 according to the calculated appropriate amount of detergent, so as to supply an appropriate amount of detergent to the washing tub 120 . When the driving time of the pump 220 is long, the amount of detergent pumped into the mixing drum 230 will increase accordingly, and when the driving time of the pump 220 is short, the amount of detergent pumped into the mixing drum 230 will be correspondingly reduced. . The control unit 180 controls the amount of detergent injected into the washing tub 120 by adjusting the driving time of the pump 220 . the

In addition, the control unit 180 will control the valves 221a, 222a, 223a installed in the branch pipes 221, 222, 223 according to the steps of the washing process. the

For example, when in the washing step, the first valve 221a will be opened and the second and third valves 222a, 223a will be closed, so as to supply the main detergent stored in the main cassette installation part 211; The valve 222a closes the first and third valves 221a and 223a, thereby supplying the auxiliary detergent stored in the auxiliary cassette mounting portion 212. the

A cartridge 400 that may be used in the detergent supply device described above is illustrated in FIG. 3 . the

The user can inject detergent into the cassette mounting parts 211, 212, 213 and use it. However, the cassette 400 shown in FIG. 7 can also be mounted and used in the cassette mounting parts 211, 212, 213. the

In above-mentioned each cassette installation part 211,212,213 or cassette 400 preferably be provided with fixing device (not shown in the figure), above-mentioned fixing device is used for fixing above-mentioned cassette 400 on each cassette installation part 211,212,213, An elastic hook or the like can be used as the fixing means. the

The cassette 400 is provided with a nozzle 410 formed with an outlet for the liquid detergent contained therein to flow out. The nozzle 410 is inserted into the cartridge mounting portion 211 of the detergent box 210, and an insertion port 216 communicating with the outflow pipe 211a is formed. the

FIG. 7 is a cross-sectional view of a state in which the aforementioned cassette 400 is mounted on the cassette mounting portion 211 . the

When the cassette 400 is mounted on the cassette mounting portion 211 , the nozzle 410 is inserted into the insertion port 216 . In the state where the cassette 400 is installed, when the pump 220 is driven, the detergent stored in the cassette 400 will rise to the mixing drum 230, and in the mixing drum 230, the detergent will be mixed with water and into the washing tub 120. the

FIG. 9 illustrates a detergent supply device 200 in another embodiment of the present invention. the

The detergent supply device 200 in this embodiment is composed of a detergent box 210 . The detergent box 210 is arranged on the upper part of the casing 110 , and one side thereof is connected to the water supply pipe 140 , and the other side is connected to the washing tub 120 . the

The detergent box 210 is provided with: an open upper portion for storing detergent; and a lid 215 for opening and closing the open upper portion of the above storage space. In addition, a transparent window is provided in front of the storage space, and the transparent window is used to remind the user when the detergent needs to be replaced. the

In addition, among the above-mentioned detergent boxes 210, it is preferable to put the cartridge 400 containing highly concentrated detergent. the

FIG. 10 illustrates a state in which a cartridge 400 containing highly concentrated detergent is put into the detergent box 210 . When water is supplied from the water supply pipe 140 to the detergent box 210, the highly concentrated detergent inside the cassette 400 placed in the detergent box 210 is dissolved by the water and gradually flows out. the

According to the amount of water injected into the detergent box 210, the dissolved amount of the highly concentrated detergent contained in the cassette 400 will also vary. That is, when the amount of water put into the detergent box 210 is large, the highly concentrated liquid will be more dissolved, and a larger amount of detergent is supplied to the inside of the washing tub 120; when the amount of water put into the detergent box 210 When less, the highly concentrated liquid will dissolve less and supply less detergent to the inside of the tub 120 . the

During the washing process, in some cases, it is necessary to inject water that does not pass through the detergent box 210 into the washing tub 120 . In order to directly pour water into the washing tub 120 without passing through the detergent box 210 , a branch pipe branched from the water supply pipe 140 is provided. In addition, a channel switching valve is provided at the intersection of the water supply pipe 140 and the branch pipe. the

When it is necessary to inject detergent into the washing tub 120 , the control unit 180 controls the flow channel switching valve to allow water to flow into the detergent box 210 . And, when there is no need to add detergent, the control unit 180 will control the flow path switching valve so that water does not flow into the detergent box 210, but is directly supplied to the washing tub 120 through the branch pipe. the

When the user confirms through the transparent window that the color of the cassette 400 filled with highly concentrated detergent has faded, he only needs to replace the cassette 400 regularly. the

The detergent supply device in various embodiments of the present invention has been described above. the

According to the laundry processing device provided with the detergent supply device of the present invention, the user does not need to inject detergent every time the user performs a washing operation, thereby facilitating the user's washing operation. the

Moreover, in the present invention, an appropriate amount of detergent will be added according to the amount of laundry or the degree of pollution of the laundry, thereby saving detergent and preventing the washing water from being polluted due to excessive use of detergent. . the

Claims (10)

1. A clothes treatment device, comprising a water supply pipe (140) for supplying water and a washing tub (120) for storing the water supplied from the water supply pipe (140), characterized in that: it also includes the following: part: A detergent supply device (200) for supplying detergent to the washing tub (120) together with water supplied from the water supply pipe (140); The detergent is stored inside and installed in the cassette (400) of the detergent supply device (200); Above-mentioned detergent supply device (200) is provided with: A detergent box (210) for mounting the aforementioned cassette (400); A pump (220) for sucking the detergent stored in the aforementioned cassette; a mixing cylinder (230) for mixing the detergent pumped by the pump (220) with the water supplied from the water supply pipe; The above-mentioned detergent box (210) contains: A plurality of cassette installation parts (211, 212, 213); The outflow pipes (211a, 212a, 213a) communicate with the above-mentioned respective cassette installation parts and allow the detergent stored in the above-mentioned cassette (400) to flow out. Also set with: Branch pipes (221, 222, 223) connected with the above-mentioned outflow pipes (211a, 212a, 213a); One side of which is connected to the above-mentioned branch pipes (221, 222, 223), and the other side is connected to the above-mentioned mixing tube (230) connecting pipe (225); The height of the part where the above-mentioned connecting pipe (225) is combined with the above-mentioned mixing tube (230) will be higher than the height of the part where the above-mentioned water supply pipe (140) is combined with the above-mentioned mixing tube (230); Also set with: The valves (221a, 222a, 223a) arranged on the above-mentioned branch pipes (221, 222, 223); the control part (180) that controls the opening and closing operations of the above-mentioned valves (221a, 222a, 223a) according to the stroke; Also set with: a weight detection unit (125) for detecting the weight of laundry; a pollution degree detection unit (126) for detecting the pollution degree of the laundry; The control unit (180) controls the rotation speed of the pump (220) based on the values detected by the weight detection unit (125) and the pollution level detection unit (126). 2. The laundry processing device according to claim 1, characterized in that: a detergent amount detection unit for detecting the amount of detergent stored in each of the cassettes (400) is also provided. 3. The clothes processing device according to claim 1, characterized in that: the plurality of cassette installation parts (211, 212, 213) include: A main cassette installation part (211) equipped with a cassette for storing main detergent supplied during washing operation; An auxiliary cassette installation part (212) is mounted with a cassette for storing auxiliary detergent supplied during cleaning operation. 4. The clothes processing device according to claim 1, characterized in that: the above outflow pipes (211a, 212a, 213a) are provided with: only when the above pump (220) is driven, the above-mentioned cassette (400) The opening and closing device for the outflow of stored detergent. 5. The clothes processing device according to claim 4, characterized in that: the outflow pipes (211a, 212a, 213a) are provided with: The first outflow channel (218) communicating with the above-mentioned main cassette installation part (211); A second outflow path (219) extending from the first outflow path and having a diameter larger than the first outflow path; A block (214) formed at the end of the second outflow channel (219). 6. The clothes processing device according to claim 5, characterized in that: the opening and closing device is provided with: an elastic spring (310) whose one end is supported by the block (214); The pinball (320) is elastically supported by the elastic spring (310) and used to close the first outflow channel (218). 7. The clothes processing device according to claim 4, characterized in that: the opening and closing device is provided with: A valve body (330) made of elastic material and used to close the end of said outflow tube; A fixing part (340) for fixing one end of the valve body (330) to the outlet pipe. 8. The laundry treatment device according to claim 1, characterized in that the detergent box (210) is arranged at the lower part of the casing (110). 9. The laundry processing device according to claim 8, characterized in that the detergent box (210) is arranged on a drawer (181) that can slide in and out in front of the casing (110). 10. The laundry processing device according to claim 1, characterized in that the detergent box (210) is arranged on the upper part of the casing (110). the

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