Mixed feeding structure, detergent feeding assembly and washing machine

Abstract

The utility model provides a mixed feeding structure, a detergent feeding assembly and a washing machine, the mixed feeding structure comprises a mixing cavity and a negative pressure suction structure, a mixing cavity with a liquid inlet and a liquid outlet is arranged in the mixing cavity, the liquid inlet is suitable for conveying detergent mixed liquid, and a stirring piece is arranged in the mixing cavity; the negative pressure suction structure is provided with a suction opening and a putting opening, the suction opening is communicated with the liquid outlet, the putting opening is used for being communicated with a washing barrel of the washing machine, and the negative pressure suction structure is used for sucking the detergent mixed liquid to put the detergent mixed liquid into the washing barrel. According to the mixed feeding structure, through the negative pressure suction structure, the detergent mixed liquid is sucked into the mixing cavity in an accelerated mode, the stirring piece is used for stirring the detergent mixed liquid, secondary mixing of the detergent and water can be achieved, and the dissolution rate of the detergent in the detergent mixed liquid is increased; therefore, in the process of putting the detergent mixed liquid into the washing barrel of the washing machine, the undissolved detergent can be prevented from blocking the putting pipeline.

Description

Technical Field

[0001] The present application belongs to the technical field of washing machines, and in particular relates to a mixed dispensing structure, a detergent dispensing assembly and a washing machine. Background Art

[0002] With the improvement of living standards, washing machines have become an indispensable household appliance in countless households. Currently, some washing machines on the market are equipped with a water box, which is suitable for storing detergent and is connected to the water inlet pipe through a water inlet. After entering the water box, water mixes with the detergent inside before being flushed into the washing machine's washing tub. To improve the dissolution rate of detergent, one existing design is to install a stirring impeller in the water box. When water enters the water box, the impeller continuously stirs the water to increase the mixing rate of detergent and water. However, this device has a limited premixing effect and can easily cause blockage in the detergent delivery line. Utility Model Content

[0003] The embodiments of the present application provide a mixing and dispensing structure, a detergent dispensing assembly, and a washing machine, which can solve the technical problem of poor detergent pre-mixing effect of the detergent dispensing assembly of the existing washing machine.

[0004] To achieve the above objectives, this application provides the following technical solutions:

[0005] A mixed feeding structure, applied to a washing machine, comprising:

[0006] A mixing cavity body is provided with a mixing chamber having a liquid inlet and a liquid outlet, wherein the liquid inlet is suitable for conveying a detergent mixed liquid, and a stirring element is provided in the mixing chamber;

[0007] The negative pressure suction structure has a suction port and a delivery port, wherein the suction port is connected to the liquid outlet, and the delivery port is used to be connected to the washing tub of the washing machine. The negative pressure suction structure is used to suck the detergent mixture to be delivered to the washing tub.

[0008] In some embodiments, the mixing cavity is provided with an air inlet connected to the mixing chamber, and the negative pressure suction structure is further used to draw external air into the mixing chamber through the air inlet to mix the air with the detergent mixture.

[0009] In some embodiments, the air inlet includes a plurality of air inlet holes.

[0010] In some embodiments, the negative pressure suction structure includes a venturi tube, the liquid inlet end of the venturi tube forms the suction port, and the liquid outlet end of the venturi tube forms the delivery port.

[0011] In some embodiments, the negative pressure suction structure further has a water inlet connected to the inlet, and the water inlet is used to communicate with the water inlet pipe of the washing machine.

[0012] In some embodiments, the stirring member includes a rotating shaft and a plurality of blades connected to the rotating shaft, wherein the plurality of blades are arranged at intervals along the circumference of the rotating shaft, and the rotating shaft is used to rotate the blades to stir the detergent mixture.

[0013] In some embodiments, the mixing and dispensing structure further includes a power unit, which is installed on the mixing cavity. The output end of the power unit is connected to the rotating shaft for driving the rotating shaft to rotate.

[0014] A detergent dispensing assembly, used in a washing machine, comprising:

[0015] a detergent box, used for mixing detergent with introduced water and outputting the detergent mixture;

[0016] In the above-mentioned mixing and dispensing structure, the liquid inlet is connected to the detergent box to transport the detergent mixture.

[0017] In some embodiments, the detergent dispensing assembly further includes a water inlet pipe, the water inlet pipe including a water inlet end and a first water outlet end, the water inlet end is used to connect to an external water source, and the first water outlet end is connected to the detergent box to deliver water to the detergent box.

[0018] A washing machine, comprising:

[0019] Washing tub;

[0020] The above-mentioned detergent dispensing component is connected to the washing tub and is used to dispense a detergent mixture into the washing tub.

[0021] The mixing and dispensing structure, detergent dispensing assembly and washing machine provided in the embodiments of the present application accelerate the drawing of the detergent mixture into the mixing chamber through a negative pressure suction structure, and utilize a stirring element to stir the detergent mixture, thereby achieving secondary mixing of detergent and water to increase the dissolution rate of the detergent in the detergent mixture, and further, in the process of dispensing the detergent mixture into the washing drum of the washing machine, it can prevent undissolved detergent from clogging the dispensing pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] To more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present application. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0023] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings. In the following description, the same reference numerals represent the same parts.

[0024] Figure 1 A structural diagram of the mixed delivery structure provided in an embodiment of the present application.

[0025] Figure 2 for Figure 1 A cross-sectional view of the mixed delivery group structure is shown.

[0026] Figure 3 This is a schematic structural diagram of the detergent dispensing assembly provided in an embodiment of the present application.

[0027] Figure 4 for Figure 3 The structure diagram of the detergent dispensing component shown is from another perspective.

[0028] Figure 5 This is another structural schematic diagram of the detergent dispensing assembly provided in an embodiment of the present application.

[0029] Figure 6 A structural schematic diagram of a washing machine provided in an embodiment of the present application.

[0030] Figure 7 Another structural schematic diagram of the washing machine provided in an embodiment of the present application.

[0031] Description of reference numerals:

[0032] 10. Washing machine;

[0033] 100, detergent dispensing assembly; 200, cabinet; 300, door seal;

[0034] 110. Mixing and dispensing structure; 120. Detergent box; 130. Water inlet pipe; 140. Water pump assembly; 150. Spraying device;

[0035] 111. Mixing chamber; 112. Negative pressure suction structure; 113. Stirring element; 114. Power unit;

[0036] 1111, liquid inlet; 1112, liquid outlet; 1113, mixing chamber; 1114, air inlet; 111a, bottom wall; 111b, circumferential side wall; 111c, top wall; 1121, suction port; 1122, delivery port; 1123, Venturi tube; 1124, water inlet; 131, water inlet end; 132, first water outlet end; 133, second water outlet end. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of this application.

[0038] The present application provides a mixed feeding structure, which is applied to a washing machine. Figure 1-Figure 2 , Figure 1 This is a schematic diagram of the structure of the mixed delivery component provided in an embodiment of the present application. Figure 2 for Figure 1 The mixing and dispensing structure 110 includes a mixing chamber 111 , a negative pressure suction structure 112 and a stirring element 113 .

[0039] Among them, a mixing chamber 1113 with a liquid inlet 1111 and a liquid outlet 1112 is set inside the mixing cavity 111, the liquid inlet 1111 is suitable for conveying the detergent mixture, and a stirring element 113 is set in the mixing chamber 1113; the negative pressure suction structure 112 has a suction port 1121 and a delivery port 1122, the suction port 1121 is connected with the liquid outlet 1112, and the delivery port 1122 is used to connect with the washing tub of the washing machine, and the negative pressure suction structure 112 is used to suck the detergent mixture to put it into the washing tub of the washing machine.

[0040] It should be noted that the detergent mixture can be generated in the detergent box of the washing machine. It is understood that when the detergent mixture is input into the mixing chamber 1113 through the liquid inlet 1111, the detergent and water in the detergent mixture can be fully dissolved under the stirring action of the stirring member 113. The negative pressure suction structure 112 can generate a negative pressure at its suction port 1121 to encourage the detergent mixture to enter the mixing chamber 1113, and encourage the detergent mixture in the mixing chamber 1113 to enter the negative pressure suction structure 112.

[0041] The mixing and dispensing structure 110 provided in the embodiment of the present application accelerates the drawing of the detergent mixture into the mixing chamber 1113 through the negative pressure suction structure 112, and utilizes the stirring element 113 to stir the detergent mixture, thereby achieving secondary mixing of detergent and water to increase the dissolution rate of the detergent in the detergent mixture, and thus preventing undissolved detergent from clogging the dispensing pipe during the process of dispensing the detergent mixture into the washing drum of the washing machine.

[0042] In some embodiments, the mixing cavity 111 is provided with an air inlet 1114 connected to the mixing chamber 1113 , and the negative pressure suction structure 112 is further used to draw external air into the mixing chamber 1113 through the air inlet 1114 to mix the air with the detergent mixture.

[0043] It should be noted that under the action of the negative pressure suction structure 112, a negative pressure is generated in the mixing chamber 1113, which draws a large amount of external air into the mixing chamber 1113 through the air inlet 1114. The air then mixes with the detergent mixture and is drawn into the negative pressure suction structure 112 and discharged into the washing tub of the washing machine. As can be appreciated, the mixing of the external air and the detergent mixture creates numerous tiny bubbles. These bubbles increase the contact area between the detergent and water in the detergent mixture, thereby promoting detergent dissolution. Furthermore, the formation of bubbles helps evenly distribute the detergent molecules in the water, further improving the detergent dissolution rate. Furthermore, the gas-liquid mixture formed by the detergent mixture and air flows out of the negative pressure suction structure 112 with great momentum, preventing pipe blockage as it rapidly flows through the pipe. In some embodiments, the gas-liquid mixture can also clean the door seal and door glass of the washing machine as it flows into the washing tub.

[0044] In some embodiments, the air inlet 1114 includes a plurality of air inlet holes, and the plurality of air inlet holes are arranged in an array on the mixing chamber 111. Figure 2 As shown, the mixing chamber 111 includes a bottom wall 111a, a circumferential side wall 111b arranged on the bottom wall 111a, and a top wall 111c arranged opposite to the bottom wall 111a. The bottom wall 111a, the circumferential side wall 111b, and the top wall 111c are arranged to form a mixing chamber 1113. Among them, a plurality of air inlet holes are arranged in an array on the top wall 111c to form an air inlet 1114; the liquid inlet 1111 is opened on the circumferential side wall 111b; and the liquid outlet 1112 is opened on the bottom wall 111a. Optionally, the liquid outlet 1112 can also be set on the circumferential side wall 111b and separated from the liquid inlet 1111. Alternatively, the liquid inlet 1111 can also be opened on the bottom wall 111a and separated from the liquid outlet 1112.

[0045] Optionally, the negative pressure suction structure 112 includes a venturi tube 1123. The liquid inlet end of the venturi tube 1123 forms a suction port 1121, and the liquid outlet end of the venturi tube 1123 forms a delivery port 1122. The venturi tube 1123 is suitable for sucking the detergent mixture. In some embodiments, the venturi tube 1123 is also used to draw external air into the mixing chamber. The liquid outlet end of the venturi tube 1123 can be connected to the interior of the washing tub via a water pipe.

[0046] It should be noted that a venturi tube is a pipe used to transport fluids, which includes a contraction section, which is a tapered tube. According to the law of conservation of flow, in a stable incompressible fluid system, the volume flow rate flowing through any cross section is equal. Therefore, in a venturi tube, when the liquid flows from one end to the other, its flow rate is constant throughout the entire pipe. On the other hand, according to the law of conservation of energy, energy is always conserved. In a venturi tube, pressure energy and potential energy are converted into each other during the flow process, but the total is constant, which means that changes in the pressure or velocity of the liquid in the pipe will cause energy conversion, thereby affecting the flow of the liquid.

[0047] Based on the above principle, the detergent mixture will be forced to pass through a narrower pipe when passing through the venturi tube 1123, thereby increasing the speed of the detergent mixture and forming a negative pressure area at the liquid inlet end of the venturi tube 1123, so that the mixing chamber 1113 is in a negative pressure state, thereby enabling the external air and the detergent mixture in the containing chamber to be sucked into the mixing chamber 1113.

[0048] Optionally, the stirring member 113 includes a rotating shaft and a plurality of fan blades connected to the rotating shaft, wherein the plurality of fan blades are arranged at intervals along the circumference of the rotating shaft, and the rotating shaft is used to rotate the fan blades to stir the detergent mixture. In some embodiments, the fan blades stir the detergent mixture so that the detergent mixture is fully mixed with the air entering the mixing chamber 1113, thereby generating more foam to increase the dissolution rate of the detergent. On the other hand, the high-speed rotation of the fan blades can also increase the flow rate of the fluid in the mixing chamber 1113, thereby increasing the negative pressure of the mixing chamber 1113, and further promoting the external air and detergent mixture to enter the mixing chamber 1113.

[0049] In some embodiments, the mixing and dispensing mechanism further includes a power unit 114, which is mounted on the mixing chamber 111. The output end of the power unit 114 is connected to the rotating shaft of the stirring member 113 to drive the rotating shaft of the stirring member 113 to rotate. Figure 1-Figure 2 The power unit 114 is fixedly mounted on the top wall 111c, and the output shaft of the power unit 114 passes through the top wall 111c and partially extends into the mixing chamber 1113 to connect with the rotating shaft of the stirring member 113. The power unit 114 can be a rotary motor.

[0050] The mixing and dispensing structure 110 provided in the embodiment of the present application accelerates the drawing of the detergent mixture into the mixing chamber 1113 through the negative pressure suction structure 112, and utilizes the stirring element 113 to stir the detergent mixture, thereby achieving secondary mixing of detergent and water to increase the dissolution rate of the detergent in the detergent mixture, and thus preventing undissolved detergent from clogging the dispensing pipe during the process of dispensing the detergent mixture into the washing drum of the washing machine.

[0051] The present application also provides a detergent dispensing assembly 100. For example, see Figure 3 , Figure 3 This is a schematic diagram of the structure of a detergent dispensing assembly provided in an embodiment of the present application. The detergent dispensing assembly 100 is applied to a washing machine, which includes a washing tub. The detergent dispensing assembly 100 includes a detergent box 120 and a mixing dispensing structure 110 in any of the above embodiments.

[0052] The detergent box 120 is used to mix the detergent and the introduced water and output the detergent mixture. In the mixing and dispensing structure 110 , the liquid inlet 1111 of the mixing cavity 111 is connected to the detergent box 120 to deliver the detergent mixture.

[0053] It should be noted that the detergent box 120 generally includes a water box and a drawer box suitable for being accommodated in the water box. The drawer box may include a detergent dispensing cavity for dispensing detergent. The water box is provided with a water inlet and an outflow outlet. The water inlet, the detergent dispensing cavity, and the outflow outlet are sequentially connected. The water inlet is used to deliver water to the detergent dispensing cavity so that the water and detergent mix to form a detergent mixture, and the outflow outlet is used to discharge the detergent mixture. The liquid inlet 1111 is connected to the outflow outlet of the detergent box 120, for example, via a water pipe. In some embodiments, the drawer box may also include a detergent storage cavity for storing detergent and dispensing detergent into the detergent dispensing cavity.

[0054] The detergent dispensing assembly 100 provided in the embodiment of the present application is additionally provided with a mixing dispensing structure 110, which accelerates the drawing of the detergent mixture in the detergent box 120 into the mixing chamber 1113 through the negative pressure suction structure 112, and utilizes the stirring element 113 to stir the detergent mixture, thereby achieving secondary mixing of detergent and water to increase the dissolution rate of the detergent in the detergent mixture, and further, in the process of dispensing the detergent mixture into the washing drum of the washing machine, it can prevent undissolved detergent from clogging the dispensing pipe.

[0055] In some embodiments, see Figure 4 , Figure 4 for Figure 3 The detergent dispensing assembly 100 is shown in a schematic diagram from another perspective. The detergent dispensing assembly 100 also includes a water inlet pipe 130, which includes a water inlet end 131 and a first water outlet end 132. The water inlet end 131 is connected to an external water source, such as a faucet, and the first water outlet end 132 is connected to the detergent box 120 to supply water to the detergent box 120. For example, the first water outlet end 132 is connected to the water inlet of the detergent box 120.

[0056] In actual application, external water source is injected into the detergent box 120 through the water inlet pipe 130 and mixed with the detergent in the detergent box 120 to form a detergent mixture. Subsequently, the detergent mixture enters the mixing chamber 1113 under the action of water pressure and the extraction of the negative pressure suction structure 112, and is stirred by the stirring element 113 to achieve sufficient mixing of the detergent and water, and then is sucked into the washing tub of the washing machine by the negative pressure suction structure 112.

[0057] In some embodiments, see Figure 5 , Figure 5 Another structural diagram of the detergent dispensing assembly provided in an embodiment of the present application is shown. The water inlet pipe 130 may further include a second water outlet 133 , which is connected to the water inlet 1124 of the negative pressure suction structure 112 to deliver water to the negative pressure suction structure 112 .

[0058] It is understandable that after the detergent mixture enters the negative pressure suction structure 112 through the suction port 1121, it will mix with the water introduced by the water inlet 1124, thereby further promoting the dissolution of the detergent in the water. In actual application, the detergent is first mixed with water in the detergent box 120 to form a detergent mixture, which then flows into the mixing and delivery structure 110. By performing secondary mixing in the mixing and delivery structure 110 and mixing with air, the first dissolution rate of the detergent is improved; after forming a gas-liquid mixture and entering the negative pressure suction structure 112, it is mixed with the water introduced by the water inlet 1124, thereby achieving a second dissolution rate of the detergent, so that the detergent that finally flows into the washing tub is fully dissolved, is not easy to clog the delivery pipe, and is conducive to cleaning clothes.

[0059] In some embodiments, the detergent dispensing assembly 100 further includes a water pump assembly 140 , which is installed on the water inlet pipe 130 and is used to drive the water introduced into the water inlet end 131 so that the water is output from the first water outlet end 132 and / or the second water outlet end 133 .

[0060] In some embodiments, the detergent dispensing assembly 100 further includes a valve assembly (not shown), which may include a first valve disposed between the water inlet 131 and the first water outlet 132, and a second valve disposed between the water inlet 131 and the second water outlet 133. The washing machine can control the opening and closing of the first and second valves to implement operations such as water intake, detergent dispensing, and water intake stop. For example, when the washing machine performs a detergent dispensing operation, the first and second valves can be controlled to be open, or only the first valve can be controlled to be open, thereby introducing water into the detergent box 120 and the washing tub; when the washing machine performs a water intake operation, the first and second valves can be controlled to be open, or only the second valve can be controlled to be open, thereby introducing water into the washing tub; when the washing machine stops water intake, the first and second valves can be controlled to be closed.

[0061] In some embodiments, to improve the uniformity of detergent distribution in the washing tub during detergent addition, a spraying device 150 may be provided. The inlet of the spraying device 150 is connected to the introduction port 1122 of the negative pressure suction structure 112, and the outlet of the spraying device 150 is connected to the washing tub of the washing machine. After the detergent mixture flows into the spraying device 150 through the introduction port 1122, the spraying device 150 is evenly sprayed into the washing tub. The spraying device 150 may be a shower head, a nozzle, or other device.

[0062] The detergent dispensing assembly 100 provided in the embodiment of the present application is additionally provided with a mixing dispensing structure 110, which accelerates the drawing of the detergent mixture in the detergent box 120 into the mixing chamber 1113 through the negative pressure suction structure 112, and utilizes the stirring element 113 to stir the detergent mixture, thereby achieving secondary mixing of detergent and water to increase the dissolution rate of the detergent in the detergent mixture, and further, in the process of dispensing the detergent mixture into the washing drum of the washing machine, it can prevent undissolved detergent from clogging the dispensing pipe.

[0063] The present application also provides a washing machine, for example, see Figure 6-Figure 7 , Figure 6 A structural diagram of a washing machine provided in an embodiment of the present application is shown in FIG. Figure 7 Another structural diagram of a washing machine provided in an embodiment of the present application is shown in FIG. The washing machine 10 includes a housing 200 , a washing tub (not shown), a door seal 300 , and the detergent dispensing assembly 100 described above.

[0064] The washing tub, door seal 300, and detergent dispensing assembly 100 are disposed within the housing 200. The door seal 300 is connected to the housing 200 and the washing tub, forming a passage between the clothing insertion opening of the housing 200 and the opening of the washing tub. The detergent dispensing assembly 100 is in communication with the washing tub for dispensing a detergent mixture therein. Optionally, an opening is defined on the circumferential sidewall of the door seal 300, communicating with the interior of the washing tub. The detergent dispensing assembly 100 is in communication with this opening, thereby providing communication between the detergent dispensing assembly 100 and the interior of the washing tub.

[0065] The washing machine provided in the embodiment of the present application adds a mixing and dispensing structure 110 to the detergent dispensing assembly 100, accelerates the suction of the detergent mixture in the detergent box 120 into the mixing chamber 1113 through the negative pressure suction structure 112, and utilizes the stirring element 113 to stir the detergent mixture, thereby achieving secondary mixing of detergent and water, thereby increasing the dissolution rate of the detergent in the detergent mixture, thereby improving the cleaning rate of clothes, and also preventing undissolved detergent from clogging the dispensing pipe during the process of dispensing the detergent mixture into the washing drum of the washing machine.

[0066] The above is a detailed introduction to the mixed dispensing structure, detergent dispensing assembly and washing machine provided in the embodiments of the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for those skilled in the art, based on the ideas of the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A mixed feeding structure, applied to a washing machine, characterized in that: include: A mixing cavity body is provided with a mixing chamber having a liquid inlet and a liquid outlet, wherein the liquid inlet is suitable for conveying a detergent mixed liquid, and a stirring element is provided in the mixing chamber; The negative pressure suction structure has a suction port and a delivery port, wherein the suction port is connected to the liquid outlet, and the delivery port is used to be connected to the washing tub of the washing machine. The negative pressure suction structure is used to suck the detergent mixture to be delivered to the washing tub.

2. The mixed delivery structure according to claim 1, characterized in that: The mixing cavity body is provided with an air inlet connected to the mixing chamber, and the negative pressure suction structure is also used to draw external air into the mixing chamber through the air inlet to mix the air with the detergent mixture.

3. The mixed delivery structure according to claim 2, characterized in that: The air inlet includes a plurality of air inlet holes.

4. The mixed delivery structure according to any one of claims 1 to 3, characterized in that: The negative pressure suction structure includes a venturi tube, the liquid inlet end of the venturi tube forms the suction port, and the liquid outlet end of the venturi tube forms the delivery port.

5. The mixed delivery structure according to claim 4, characterized in that: The negative pressure suction structure also has a water inlet communicated with the inlet, and the water inlet is used to communicate with the water inlet pipeline of the washing machine.

6. The mixed delivery structure according to any one of claims 1 to 3, characterized in that: The stirring member includes a rotating shaft and a plurality of blades connected to the rotating shaft. The plurality of blades are arranged at intervals along the circumference of the rotating shaft. The rotating shaft is used to rotate the blades to stir the detergent mixture.

7. The mixed delivery structure according to claim 6, characterized in that: It also includes a power unit, which is installed on the mixing cavity. The output end of the power unit is connected to the rotating shaft for driving the rotating shaft to rotate.

8. A detergent dispensing assembly, used in a washing machine, characterized in that: include: a detergent box, used for mixing detergent with introduced water and outputting the detergent mixture; The mixing and dispensing structure according to any one of claims 1 to 7, wherein the liquid inlet is connected to the detergent box to transport the detergent mixture.

9. The detergent dispensing assembly according to claim 8, characterized in that: It also includes a water inlet pipe, which includes a water inlet end and a first water outlet end. The water inlet end is used to connect to an external water source, and the first water outlet end is connected to the detergent box to supply water to the detergent box.

10. A washing machine, characterized in that: include: Washing tub; The detergent dispensing assembly according to claim 8 or 9, wherein the detergent dispensing assembly is connected to the washing tub and is used to dispense the detergent mixture into the washing tub.

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