Detergent liquid storage box, detergent feeding device and washing machine

Abstract

The invention belongs to the technical field of washing equipment, and discloses a detergent liquid storage box, a detergent putting device and a washing machine, the detergent liquid storage box comprises a liquid storage box main body used for storing a detergent, and an opening is formed in the liquid storage box main body; the liquid storage box body is provided with an opening, the sealing cover assembly is installed at the opening, the initial state of the sealing cover assembly is that the opening is blocked, and in the using state, the sealing cover assembly can conduct the liquid storage box body and the external space and receive driving force for ventilating and pressurizing the interior of the liquid storage box body, so that the detergent in the liquid storage box body is discharged through the sealing cover assembly. The detergent storage box can be directly installed in the detergent feeding device, the detergent storage box can be integrally replaced after the detergent stored in the detergent storage box is used up, a user can use the detergent storage box conveniently, the sealing performance of the detergent storage box is guaranteed through the arrangement of the sealing cover assembly, and the detergent storage box is convenient to use before use and in the use process. Therefore, the detergent can be automatically discharged by using the air pressure driving force, and the problem of leakage of the detergent is avoided.

Description

Technical Field

[0001] The invention belongs to the field of washing equipment, and in particular relates to a detergent storage box, a detergent dispensing device and a washing machine. Background Art

[0002] Washing machines are the most common household appliances used in people's daily lives. With the continuous development and progress of technology, the research and development of washing machines not only meet people's basic laundry requirements, but also pay more and more attention to improving the user experience. More and more washing machines have the function of automatic detergent dispensing, so that users no longer need to manually add detergent when using washing machines, which greatly facilitates users' use and improves their experience.

[0003] The automatic addition method of existing washing machines generally uses the Venturi principle to add detergent. The pressure change is generated at the place where the diameter of the water inlet pipe changes, which can form a certain negative pressure, attracting detergent to be added to the water inlet pipe, and driven by the water inlet to add it to the water drum of the washing machine more evenly. This automatic detergent delivery method has certain requirements for the design and assembly of the structure, and the structure is relatively complex and the cost is high. In addition, some washing machines use a pump to deliver detergent into the water drum, which also has the problem of complex structure and high cost, and the control is also relatively complex.

[0004] On the other hand, most automatic dispensing devices for washing machines require users to manually add detergent by pouring it after the detergent stored therein is used up, which poses a risk of accidentally spilling the detergent and provides a poor user experience.

[0005] In view of this, the present invention is proposed. Summary of the invention

[0006] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a detergent storage box, a detergent dispensing device and a washing machine. The detergent storage box can be installed and replaced as a whole, and at the same time, its own sealing performance is guaranteed by the sealing cover assembly, and an effective and reliable automatic dispensing function can be realized through air pressure drive.

[0007] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0008] A detergent storage box, comprising:

[0009] The liquid storage box body is used to store detergent and has an opening;

[0010] A sealing cover assembly is installed at the opening. The initial state of the sealing cover assembly is to block the opening. When in use, the sealing cover assembly can connect the liquid storage box body with the external space, receive the driving force of ventilation and pressurization, and allow the detergent in the liquid storage box body to be discharged through the sealing cover assembly.

[0011] Furthermore, the sealing cover assembly includes a sealing cover for sealing the opening and a fixing cover for fixing the sealing cover; in a use state, the sealing cover has a conducting structure for connecting the liquid storage box body with the external space.

[0012] Further, the conduction structure includes a pressurized through hole arranged on the sealing cover, and a one-way air intake valve for blocking the pressurized through hole is arranged in the pressurized through hole; the one-way air intake valve can conduct the pressurized through hole under the action of air pressure;

[0013] And / or, the conduction structure includes a liquid outlet through hole arranged on the sealing cover, and a liquid outlet valve is arranged in the liquid outlet through hole; in an initial state, the liquid outlet valve blocks the liquid outlet through hole.

[0014] Further, the one-way air intake valve comprises an air intake valve plug and a first reset member; the air intake valve plug is reciprocatably mounted in the pressurized through hole, and the first reset member is used to maintain the state in which the air intake valve plug blocks the pressurized through hole;

[0015] And / or, the liquid outlet valve includes a liquid outlet valve plug and a second reset member; the liquid outlet valve plug can be reciprocatingly installed in the liquid outlet through hole, and the second reset member is used to maintain the state of the liquid outlet valve plug blocking the liquid outlet through hole.

[0016] Furthermore, the sealing cover is made of a soft material with elasticity. In an initial state, the sealing cover blocks the opening; in a use state, the sealing cover is partially pierced to form the conduction structure.

[0017] Further, the outer periphery of the opening extends toward the outside of the liquid storage box body to form a cylindrical portion; the sealing cover includes a main body portion inserted into the inner side of the cylindrical portion, one end of the main body portion away from the outer wall of the liquid storage box body is located outside the extended end of the cylindrical portion, and extends toward the outer periphery of the main body portion to form a covering portion covering the extended end surface of the cylindrical portion;

[0018] The fixed cover comprises a fixed body which is sleeved on the outside of the cylindrical part, and one end of the fixed body away from the outer wall of the liquid storage box body has a flange extending inwardly, and the covering part of the sealing cover is sealed and clamped between the extended end of the cylindrical part and the flange of the fixed cover.

[0019] Furthermore, the opening is arranged on the side wall of the liquid storage box body, and the conducting structure passes through the sealing cover in the horizontal direction;

[0020] Alternatively, the opening is arranged on the bottom wall of the liquid storage box body, and the conducting structure passes through the sealing cover in a vertical direction.

[0021] Further, the conduction structure includes a liquid outlet conduction structure for discharging detergent; the opening is arranged on the side wall of the liquid storage box body, a liquid outlet pipe is arranged inside the detergent liquid storage box, one end of the liquid outlet pipe is connected to the sealing cover and communicated with the liquid outlet conduction structure;

[0022] The liquid outlet pipe extends horizontally for a certain length from one end connected to the sealing cover in a direction away from the sealing cover, then bends downward to extend toward the bottom wall of the liquid storage box body, and the extended end is close to the bottom wall of the liquid storage box body.

[0023] A detergent dispensing device comprises the above-mentioned detergent liquid storage box and a pressurizing mechanism, wherein an air inlet of the pressurizing mechanism passes through the sealing cover assembly and communicates with the liquid storage box body.

[0024] A washing machine comprises the detergent dispensing device described above.

[0025] After adopting the above technical scheme, the present invention has the following beneficial effects compared with the prior art.

[0026] In the present invention, the detergent storage box independently holds detergent, and after the detergent stored therein is used up, it can be replaced as a whole, which is convenient for users to operate. A sealing cover assembly is provided on the detergent storage box, which not only ensures its own sealing performance, but also enables the entry of pressurized air and the discharge of detergent through the sealing cover assembly during use, thereby effectively realizing the automatic delivery of detergent through air pressure drive, and avoiding the problem of detergent leakage when detergent delivery is not required.

[0027] In the present invention, the sealing cover is provided with a pressurized through hole and a one-way air inlet valve, which can prevent the detergent in the detergent storage box from overflowing from the pressurized through hole. By providing a liquid outlet valve that can block the liquid outlet through hole, the residual detergent in the detergent storage box can be prevented from leaking out, especially when the detergent storage box is replaced.

[0028] In the present invention, a sealing cover is made of a soft elastic material. In the initial state, the sealing cover has no through-hole structure at all, thereby ensuring the sealing performance of the detergent storage box to the greatest extent. When in use, the sealing cover can be punctured by cooperating with a needle-like structure or a similar structure, thereby forming a conductive structure connecting the storage box body and the external space, which is easy to implement. When replacing the detergent storage box, the sealing cover can re-close the conductive structure by utilizing its own elastic properties, thereby preventing residual detergent from leaking out.

[0029] In the present invention, the covering part of the sealing cover is sealed and pressed against the cylindrical part at the opening of the liquid storage box body by the fixing cover, thereby ensuring the sealing effect of the sealing cover assembly on the opening of the detergent storage box. At the same time, there can be no large sealing force between the main body part of the sealing cover inserted into the inner side of the cylindrical part and the cylindrical part, thereby avoiding the existence of a large force in the conduction direction perpendicular to the conduction structure on the sealing cover to affect the entry of pressurized air and the discharge of detergent.

[0030] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the accompanying drawings:

[0032] Figure 1 is a schematic structural diagram of a detergent storage box in Embodiment 1 of the present invention;

[0033] Figure 2 The present invention Figure 1 The enlarged schematic diagram of point B in the middle;

[0034] Figure 3 is a schematic structural diagram of a detergent dispensing device in Embodiment 1 of the present invention;

[0035] Figure 4 The present invention Figure 3 The enlarged schematic diagram of point A in the middle;

[0036] Figure 5 It is a schematic diagram of the assembly of the mounting groove and the pressurizing structure in the first embodiment of the present invention;

[0037] Figure 6 is a schematic structural diagram of a detergent storage box in a second embodiment of the present invention;

[0038] Figure 7 is a schematic structural diagram of a detergent dispensing device in Embodiment 2 of the present invention;

[0039] Figure 8 It is a schematic diagram of the assembly of the mounting groove and the pressurizing structure in the second embodiment of the present invention;

[0040] Fig. 9 is a schematic structural diagram of a detergent storage box in Embodiment 3 of the present invention;

[0041] Fig.10 is a schematic structural diagram of a detergent dispensing device in Embodiment 3 of the present invention;

[0042] Fig.11 is a schematic diagram of the assembly of the dispenser box and the pressurizing mechanism in the third embodiment of the present invention (box cover is opened);

[0043] Fig.12 is a schematic structural diagram of a detergent storage box in a fourth embodiment of the present invention;

[0044] Fig.13 is a schematic structural diagram of a detergent dispensing device in a fourth embodiment of the present invention;

[0045] Fig.14 It is a top view of the detergent dispensing device in the fifth embodiment of the present invention.

[0046] In the figure: 100, detergent storage box; 110, storage box body; 120, cylindrical part; 130, liquid outlet pipe; 131, sealing member; 200, sealing cover assembly; 210, sealing cover; 211, main body; 212, covering part; 220, fixed cover; 221, flange; 222, fixed body; 230, one-way air inlet valve; 231, air inlet valve plug; 232, first fixed seat; 233, first spring; 234, first sealing ring; 235, pressurized through hole; 236, pressurized groove; 240, liquid outlet valve; 241, liquid outlet valve plug; 242, second fixed seat; 243. Second spring; 244. Second sealing ring; 245. Liquid outlet hole; 246. Liquid outlet groove; 300. Dispenser box; 310. Handle; 320. Water inlet of dispenser box; 330. Water outlet of dispenser box; 340. Box cover; 400. Mounting groove; 410. Liquid mixing chamber; 411. Stirring wheel; 420. Water inlet; 430. Water outlet; 440. Liquid outlet connector; 441. Second needle-shaped portion; 442. Fourth sealing ring; 500. Pressurizing mechanism; 510. Air pump; 520. Air inlet connector; 521. First needle-shaped portion; 522. Third sealing ring.

[0047] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0048] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0049] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0050] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0051] Embodiment 1

[0052] like Figures 1 to 5 As shown, this embodiment provides a detergent liquid storage box 100, a detergent dispensing device having the detergent liquid storage box 100, and a washing machine having the detergent dispensing device. The detergent dispensing device is used to realize the automatic dispensing function of the washing machine.

[0053] In this embodiment, the detergent storage box 100 stores detergent and can be integrally installed in a detergent dispensing device. The detergent dispensing device is connected to the water drum of the washing machine and can dispense the detergent stored in the detergent storage box 100 into the water drum.

[0054] Specifically, the detergent storage box 100 includes a storage box body 110 for storing detergent, and an opening is provided on the storage box body 110. The detergent storage box 100 also includes a sealing cover assembly 200 installed at the opening, and the initial state of the sealing cover assembly 200 is to block the opening. That is, when the detergent storage box 100 is not installed in the detergent dispensing device, the sealing cover assembly 200 can maintain the blocking state of the opening to ensure that the stored detergent does not leak out.

[0055] When in use, that is, when the detergent storage box 100 is installed in the detergent dispensing device and needs to be dispensed, the sealing cover assembly 200 can connect the storage box body 110 with the external space, thereby receiving the driving force for ventilation and pressurization into the storage box body 110, so that the detergent in the storage box body 110 is discharged through the sealing cover assembly 200.

[0056] It should be noted that, in this embodiment, the initial state refers to a brand new state when the detergent storage box 100 is not installed in the detergent dispensing device, and the use state refers to a state in which the detergent dispensing device equipped with the detergent storage box 100 is dispensing detergent.

[0057] In this embodiment, in order to realize automatic dispensing of detergent, the detergent dispensing device includes the above-mentioned detergent storage box 100 and a pressurizing mechanism 500. The air inlet of the pressurizing mechanism 500 passes through the sealing cover assembly 200 and communicates with the liquid storage box body 110, and the pressurizing mechanism 500 ventilates and pressurizes the inside of the liquid storage box body 110, so that the air pressure can be used to drive the detergent to be discharged from the detergent storage box 100.

[0058] Furthermore, the detergent dispensing device comprises a dispenser box 300 and a mounting groove 400. The mounting groove 400 is provided with a water inlet 420 and a water outlet 430, the water inlet 420 is communicated with the water inlet valve of the washing machine, and the water outlet 430 is communicated with the water drum of the washing machine. The dispenser box 300 has an installation space inside, the detergent storage box 100 is installed in the installation space, and the detergent can be dispensed into the mounting groove 400. When the washing machine is filled with water, the water flows into the mounting groove 400 from the water inlet 420, mixes with the dispensed detergent, flows out from the water outlet 430, and enters the water drum together.

[0059] Specifically, the installation groove 400 is provided with a liquid mixing chamber 410 which is connected to the water inlet 420 and the water outlet 430 respectively, and a stirring wheel 411 is provided in the liquid mixing chamber 410. The detergent is directly put into the liquid mixing chamber 410 from the detergent storage box 100, and the detergent and water are evenly mixed in the liquid mixing chamber 410 by the rotation of the stirring wheel 411, and then put into the water storage drum, which is conducive to the detergent to play a more full role. When the detergent in the detergent storage box 100 is used up, the user can replace the detergent storage box 100 as a whole, which is convenient for operation.

[0060] In a further solution of this embodiment, the sealing cover assembly 200 includes a sealing cover 210 for sealing the opening on the liquid storage box body 110, and a fixing cover 220 for fixing the sealing cover 210. In the initial state, the sealing cover 210 keeps the opening sealed, and the liquid storage box body 110 is not connected to the external space. In the use state, the sealing cover 210 has a conducting structure for conducting the liquid storage box body 110 and the external space.

[0061] Specifically, the conduction structure includes a pressurized conduction structure and a liquid discharge conduction structure that are independent of each other. In the use state, the air inlet of the pressurizing mechanism 500 passes through the pressurized conduction structure and is in conduction with the inside of the liquid storage box body 110. The detergent delivery device also includes a liquid discharge joint 440. In the use state, the liquid inlet end of the liquid discharge joint 440 passes through the liquid discharge conduction structure and is in conduction with the inside of the liquid storage box body 110. In this way, the pressurizing mechanism 500 can ventilate and pressurize the liquid storage box body 110, and under the drive of air pressure, the detergent inside the liquid storage box body 110 is discharged along the liquid discharge joint 440. The liquid discharge end of the liquid discharge joint 440 is arranged in the mixing liquid chamber 410, so that the detergent is directly delivered into the mixing liquid chamber 410.

[0062] In the above scheme, when the detergent storage box 100 is in the initial state, the sealing cover 210 can completely block the opening on the storage box body 110, ensure the sealing performance of the detergent storage box 100, and ensure that the internal detergent will not leak out. The detergent storage box 100 is installed in the detergent dispensing device, and the air inlet of the pressurizing mechanism 500 and the liquid inlet end of the liquid outlet joint 440 respectively pass through the corresponding conductive structure on the sealing cover 210, thereby being connected to the inside of the liquid storage box body 110, and the purpose of using air pressure to drive the detergent to be discharged can be achieved. The sealing cover 210 is sealed with the pressurizing mechanism 500 and the liquid outlet joint 440, ensuring that the ventilation and pressurization operation of the pressurizing mechanism 500 will not leak, and the quantitative discharge of the detergent can be effectively controlled. At the same time, when the detergent does not need to be dispensed, there will be no problem of detergent leakage.

[0063] In a further solution of this embodiment, the pressurized conduction structure includes a pressurized through hole 235 provided on the sealing cover 210, and a one-way air inlet valve 230 for blocking the pressurized through hole 235 is provided in the pressurized through hole 235. The pressurizing mechanism 500 includes an air inlet connector 520 provided with the air inlet, and the air inlet connector 520 is inserted into the pressurized through hole 235. The pressurizing mechanism 500 vents and pressurizes the pressurized through hole 235, and the one-way air inlet valve 230 conducts the pressurized through hole 235 under the action of air pressure.

[0064] The liquid outlet conduction structure includes a liquid outlet through hole 245 provided on the sealing cover 210, and a liquid outlet valve 240 is provided in the liquid outlet through hole 245. In the initial state, the liquid outlet valve 240 blocks the liquid outlet through hole 245. In the use state, the liquid outlet connector 440 is inserted into the liquid outlet through hole 245 and acts on the liquid outlet valve 240, thereby conducting the liquid outlet through hole 245.

[0065] Specifically, the pressurizing mechanism 500 includes an air pump 510 and an air inlet connector 520. One end of the air inlet connector 520 (i.e. Figure 3The right end of the inlet connector 440 is connected to the air pump 510, and the other end thereof is inserted into the pressurized through hole 235 and is sealed with the pressurized through hole 235. The air inlet port is arranged at the end of the inlet connector 520 inserted into the pressurized through hole 235. Figure 3 The right end in the middle is inserted into the liquid outlet through hole 245 and sealed with the liquid outlet through hole 245. The upper opening of the liquid inlet end realizes the connection between the liquid outlet connector 440 and the detergent storage box 100, and the liquid outlet end of the liquid outlet connector 440 extends into the mixing liquid chamber 410.

[0066] It is understandable that, with the above structure, when the detergent storage box 100 is installed in the dispenser box 300 of the detergent dispensing device, and the dispenser box 300 and the mounting groove 400 are installed in place, the liquid outlet joint 440 can act on the liquid outlet valve 240 to make the liquid outlet through hole 245 conductive, rather than the liquid outlet through hole 245 being conductive only when the detergent is dispensed. However, since the sealing cover 210, the air inlet joint 520 and the liquid outlet joint 440 are sealed and airtight when the air pump 510 is not working, the liquid outlet end of the liquid outlet joint 440 is directly connected to the outside world, and therefore, under the action of atmospheric pressure, the detergent in the detergent storage box 100 will not flow out from the liquid outlet joint 440.

[0067] When detergent needs to be added, the air pump 510 is started, and air is ventilated and pressurized into the detergent storage box 100 through the air inlet joint 520, so that the detergent inside the detergent storage box 100 enters the liquid outlet joint 440 driven by air pressure, and then is added into the mixing liquid chamber 410 along the liquid outlet joint 440.

[0068] In this embodiment, the sealing cover 210 is made of a hard material, thereby ensuring the stable installation of the one-way air inlet valve 230 and the liquid outlet valve 240 therein, and also ensuring the sealing effect of both on the pressurization through hole 235 and the liquid outlet through hole 245.

[0069] In a further solution of this embodiment, the one-way air inlet valve 230 includes an air inlet valve plug 231 and a first reset member. The air inlet valve plug 231 can be reciprocatedly installed in the pressurized through hole 235, and the first reset member is used to maintain the state of the air inlet valve plug 231 blocking the pressurized through hole 235. Similarly, the liquid outlet valve 240 includes a liquid outlet valve plug 241 and a second reset member. The liquid outlet valve plug 241 can be reciprocatedly installed in the liquid outlet through hole 245, and the second reset member is used to maintain the state of the liquid outlet valve plug 241 blocking the liquid outlet through hole 245.

[0070] Specifically, the pressurizing through hole 235 and the liquid outlet through hole 245 both have a stepped hole structure, including a large diameter section at the left end and a small diameter section at the right end, with a tapered surface for transition between the two. The first reset member is a first spring 233 installed in the large diameter section of the pressurizing through hole 235, and the intake valve plug 231 seals and cooperates with the tapered surface in the pressurizing through hole 235 under the elastic force of the first spring 233, thereby blocking the pressurizing through hole 235. Similarly, the second reset member is a second spring 243 installed in the large diameter section of the liquid outlet through hole 245, and the liquid outlet valve plug 241 seals and cooperates with the tapered surface in the liquid outlet through hole 245 under the elastic force of the second spring 243, thereby blocking the liquid outlet through hole 245.

[0071] In the above solution, the structure of the one-way air inlet valve 230 can prevent the detergent stored in the detergent storage box 100 from overflowing from the pressurized through hole 235, thereby causing the detergent to enter the air pump 510 and damage it. The liquid outlet valve 240 can automatically reset after the liquid outlet connector 440 is drawn out of the liquid outlet through hole 245, and block the liquid outlet through hole 245, especially preventing the residual detergent from leaking when the detergent storage box 100 is replaced.

[0072] More specifically, in this embodiment, a first fixing seat 232 is provided near the left end of the pressurized through hole 235, on which a first guide hole is provided, and the air intake valve plug 231 has a first rod-shaped portion that can be movably inserted into the first guide hole. A first spring 233 is sleeved on the outside of the first rod-mounted portion, with one end abutting against the first fixing seat 232 and the other end abutting against the main body of the air intake valve plug 231. A first sealing ring 234 is provided at the right end of the air intake valve plug 231. In the initial state, the first spring 233 applies a rightward elastic force to the air intake valve plug 231, pressing the first sealing ring 234 against the conical surface in the pressurized through hole 235, thereby blocking the pressurized through hole 235. Two third sealing rings 522 are sleeved on the left end of the air intake joint 520. When the air intake joint 520 is inserted into the pressurized through hole 235, the third sealing ring 522 realizes a sealing fit with the pressurized through hole 235.

[0073] When the detergent storage box 100 is installed in place with the dispenser box 300, the left end of the air inlet connector 520 extends into the pressurized through hole 235 and maintains a certain distance from the air inlet valve plug 231. When the air pump 510 starts to ventilate and pressurize the pressurized through hole 235, the air pressure on the right side of the air inlet valve plug 231 gradually rises, which can push the air inlet valve plug 231 to overcome the elastic force of the first spring 233 and move to the left to compress the first spring 233, so that the first sealing ring 234 is separated from the conical surface in the pressurized through hole 235, thereby connecting the pressurized through hole 235. After the air pump 510 stops working, the first spring 233 pushes the air inlet valve plug 231 to move to the right until the first sealing ring 234 is pressed against the conical surface in the pressurized through hole 235, so that the pressurized through hole 235 is blocked again.

[0074] A second fixing seat 242 is provided near the left end of the liquid outlet through hole 245, on which a second guide hole is provided, and the liquid outlet valve plug 241 has a second rod-shaped portion that can be movably inserted into the second guide hole. A second spring 243 is sleeved on the outside of the second rod-mounted portion, with one end abutting against the second fixing seat 242 and the other end abutting against the main body of the liquid outlet valve plug 241. A second sealing ring 244 is provided at the right end of the liquid outlet valve plug 241. In the initial state, the second spring 243 applies a rightward elastic force to the liquid outlet valve plug 241, pressing the second sealing ring 244 against the conical surface in the liquid outlet through hole 245, thereby blocking the liquid outlet through hole 245. Two fourth sealing rings 442 are sleeved on the liquid inlet end of the liquid outlet joint 440. When the liquid outlet joint 440 is inserted into the liquid outlet through hole 245, the fourth sealing ring 442 is used to achieve sealing cooperation with the liquid outlet through hole 245.

[0075] When the detergent storage box 100 is installed in place with the dispenser box 300, the left end of the liquid outlet connector 440 extends into the liquid outlet through hole 245, and the left end of the liquid outlet connector 440 contacts the liquid outlet valve plug 241, and pushes the liquid outlet valve plug 241 to the left to compress the second spring 243, so that the second sealing ring 244 is separated from the conical surface in the liquid outlet through hole 245, and the liquid outlet through hole 245 is connected. In this way, when the air pump 510 is started to ventilate and pressurize the detergent storage box 100, the detergent can enter the liquid outlet connector 440 through the liquid outlet through hole 245, and the purpose of adding detergent is achieved. When the detergent storage box 100 is pulled out with the dispenser box 300, the liquid outlet connector 440 is pulled out from the liquid outlet hole 245, and the second spring 243 pushes the liquid outlet valve plug 241 to move to the right along with the liquid outlet connector 440 until the second sealing ring 244 is pressed against the conical surface in the liquid outlet hole 245. At this time, the liquid outlet connector 440 continues to be pulled out and separated from the liquid outlet valve plug 241, and the liquid outlet hole 245 is blocked again.

[0076] In this embodiment, the sealing cover 210 made of hard material is more likely to form the pressurized through hole 235 and the liquid outlet through hole 245 with a stepped hole structure. At the same time, when the inlet valve plug 231 and the liquid outlet valve plug 241 reciprocate, the sealing cover 210 itself will not be deformed, which is conducive to ensuring the sealing effect when the pressurized through hole 235 and the liquid outlet through hole 245 are blocked.

[0077] In a further solution of this embodiment, on the liquid storage box body 110, the outer circumference of the opening extends toward the outside of the liquid storage box body 110 to form a cylindrical portion 120. The sealing cover 210 includes a main body 211 inserted into the inner side of the cylindrical portion 120, and one end of the main body 211 away from the outer wall of the liquid storage box body 110 is located outside the extended end of the cylindrical portion 120, and extends toward the outer circumference of the main body 211 to form a covering portion 212 covering the extended end surface of the cylindrical portion 120. Among them, the pressurized through hole 235 and the liquid outlet through hole 245 are provided on the main body 211 of the sealing cover 210, and the central axes of the pressurized through hole 235, the liquid outlet through hole 245 and the cylindrical portion 120 are parallel.

[0078] The fixed cover 220 includes a fixed body 222 which is sleeved on the outside of the cylindrical portion 120. The end of the fixed body 222 away from the outer wall of the liquid storage box body 110 has a flange 221 extending toward the inner periphery. The covering portion 212 of the sealing cover 210 is sealed and clamped between the extended end of the cylindrical portion 120 and the flange 221 of the fixed cover 220.

[0079] As a specific solution, the fixing cover 220 and the cylindrical portion 120 may be fixed by threaded connection, so that the covering portion 212 of the sealing cover 210 is pressed tightly against the extended end of the cylindrical portion 120 .

[0080] In the above solution, the right end of the main body 211 of the sealing cover 210 exceeds the right end surface of the cylindrical part 120, and the portion that exceeds extends to the periphery to form a covering part 212. The fixed cover 220 presses the covering part 212 against the right end surface of the cylindrical part 120, thereby achieving the sealing of the detergent storage box 100. The middle part of the right end of the fixed cover 220 is a hollow structure, so that the pressurizing through hole 235 and the liquid outlet through hole 245 on the sealing cover 210 can be leaked.

[0081] By adopting the above structure, there is no contact between the side wall of the main body 211 of the sealing cover 210 and the inner wall of the cylindrical part 120, so that the blocking effect of the opening on the detergent storage box 100 can be achieved. In this way, there is no large sealing force between the main body 211 and the cylindrical part 120, which can avoid the existence of a large force in the direction perpendicular to the conducting direction of the pressurized through hole 235 and the liquid outlet through hole 245, thereby affecting the entry of pressurized air and the discharge of detergent. In particular, it can be ensured that there is no large relative force between the main body 211 on which the one-way air inlet valve 230 and the liquid outlet valve 240 are installed on the sealing cover 210 and the cylindrical part 120, thereby ensuring the effectiveness of the one-way air inlet valve 230 and the liquid outlet valve 240, thereby ensuring that the detergent delivery process is not affected.

[0082] In a further solution of this embodiment, the opening on the detergent storage box 100 is arranged on the side wall of the storage box body 110, and the conductive structure, that is, the pressurizing through hole 235 and the liquid outlet through hole 245, passes through the sealing cover 210 in the horizontal direction. Correspondingly, the air inlet on the air inlet connector 520 and the liquid inlet end of the liquid outlet connector 440 both pass through the sealing cover 210 in the horizontal direction.

[0083] Furthermore, a liquid outlet pipe 130 is provided inside the detergent storage box 100, one end of which is connected to the sealing cover 210 and communicates with the liquid outlet through hole 245. The liquid outlet pipe 130 extends horizontally for a certain length from one end connected to the sealing cover 210 in a direction away from the sealing cover 210, then bends downward and extends toward the bottom wall of the detergent storage box 100, with the extended end close to the bottom wall of the detergent storage box 100.

[0084] Specifically, one end of the liquid outlet pipe 130 is inserted into the liquid outlet through hole 245 on the sealing cover 210, so as to be connected with the liquid inlet end of the liquid outlet joint 440. More specifically, a sealing member 131 is mounted on the liquid outlet pipe 130 to achieve a sealing fit between the liquid outlet pipe 130 and the liquid outlet through hole 245 to prevent air leakage at the liquid outlet through hole 245.

[0085] In this embodiment, there is a certain height difference between the setting height of the liquid outlet through hole 245 and the bottom wall of the detergent storage box 100. When the liquid level of the detergent in the detergent storage box 100 is lower than the height of the liquid outlet through hole 245, the liquid outlet through hole 245 will be directly connected to the pressurized through hole 235. At this time, the air introduced by the air pump 510 will be directly discharged from the liquid outlet through hole 245, and it is impossible to continue to put in the detergent. By setting the liquid outlet pipe 130, when the residual detergent is small, the liquid outlet through hole 245 is still connected to the remaining detergent through the liquid outlet pipe 130, and there will be no air leakage from the liquid outlet through hole 245. Only when the liquid level of the detergent further drops below the lower end of the liquid outlet pipe 130, the detergent cannot be put in. In this way, it is ensured that the detergent stored in the detergent storage box 100 can be fully discharged for delivery, avoiding the waste caused by a large amount of residual detergent.

[0086] In the specific scheme of this embodiment, the installation groove 400 is fixed on the housing of the washing machine, and the distributor box 300 can be installed in the installation groove 400 by pushing and pulling horizontally, and the upper side of the distributor box 300 is open. The installation groove 400 is open at the left end in the horizontal direction, and the left end of the distributor box 300 is provided with a handle 310 for the user to grasp. The air pump 510 of the pressurizing mechanism 500 is arranged on the right end outside of the installation groove 400, and the air inlet joint 520 and the liquid outlet joint 440 are both installed on the right end wall of the installation groove 400.

[0087] In this embodiment, the user holds the handle 310 to pull the dispenser box 300 out of the installation slot 400, and installs the detergent storage box 100 into the dispenser box 300 through the opening on the upper side of the dispenser box 300. At this time, the one-way air inlet valve 230 and the liquid outlet valve 240 on the sealing cover 210 are both in a closed state, and the detergent storage box 100 is sealed.

[0088] After the detergent storage box 100 is installed, the user can push the dispenser box 300 to the right to enter the installation slot 400. When the dispenser box 300 is installed in place, the air inlet connector 520 is sealed and inserted into the pressurization through hole 235, the liquid outlet connector 440 is sealed and inserted into the liquid outlet through hole 245 and the liquid outlet valve plug 241 is pushed to the left to open the liquid outlet through hole 245.

[0089] During the operation of the washing machine, when detergent needs to be added, the air pump 510 is started, and air is ventilated and pressurized into the pressurized through hole 235 through the air inlet joint 520. The air inlet valve plug 231 moves to the left under the action of air pressure to conduct the pressurized through hole 235, so that the air introduced enters the interior of the liquid storage box body 110. The air pressure inside the liquid storage box body 110 rises, driving the detergent to enter the liquid outlet through hole 245 along the liquid outlet pipe 130, and then to be added to the mixing chamber 410 along the liquid outlet joint 440. The inlet water flow of the washing machine passes through the mixing chamber 410, and the detergent therein is evenly mixed with the inlet water flow under the action of the rotation of the stirring wheel 411, and finally flows out from the water outlet 430 and is added to the water storage drum. After the detergent is added, the air pump 510 stops working, the air pressure in the pressurized through hole 235 is restored, and the air inlet valve plug 231 is reset to the right under the elastic force of the first spring 233, and the state of blocking the pressurized through hole 235 is restored.

[0090] When the detergent in the detergent storage box 100 is used up, the user pulls out the dispenser box 300 again, and the air inlet connector 520 is pulled out from the pressurized through hole 235, and the liquid outlet connector 440 is pulled out from the liquid outlet through hole 245 at the same time, and the liquid outlet valve plug 241 is reset to the right under the elastic force of the second spring 243, and the liquid outlet through hole 245 is resealed. After the dispenser box 300 is pulled out in place, the user can take out the empty detergent storage box 100 and install a new detergent storage box 100 for replacement. Since the one-way air inlet valve 230 and the liquid outlet valve 240 on the sealing cover 210 respectively block the pressurized through hole 235 and the liquid outlet through hole 245 at this time, the problem of residual detergent in the detergent storage box 100 leaking will not occur.

[0091] In this embodiment, the detergent storage box 100 independently holds detergent and is installed in the dispenser box 300 of the detergent dispensing device. After the detergent stored therein is used up, it can be replaced as a whole, which is convenient for the user to operate. The detergent storage box 100 is provided with a sealing cover assembly 200, which can cooperate with the air inlet joint 520 and the liquid outlet joint 440 when in use, so that the air inlet joint 520 and the liquid outlet joint 440 can be connected to the inside of the storage box body 110, so as to realize the use of air pressure to drive the detergent to be dispensed. Before the detergent storage box 100 is used, and when it is removed after use, the sealing cover assembly 200 can ensure the sealing performance of the detergent storage box 100 itself, and avoid the situation where the detergent leaks out of the detergent storage box 100.

[0092] Embodiment 2

[0093] like Figures 6 to 8As shown, the difference between this embodiment and the above-mentioned embodiment 1 is that: the sealing cover 210 is made of a soft material with elasticity, and in the initial state, the sealing cover 210 does not have a through-hole structure, thereby completely blocking the opening on the liquid storage box body 110, and in the use state, the sealing cover 210 is partially pierced to form a conductive structure connecting the liquid storage box body 110 and the external space.

[0094] Specifically, in this embodiment, the sealing cover 210 can be made of a rubber material, and no through hole is provided on the sealing cover 210, so that in the initial state, the detergent storage box 100 is completely sealed, and the problem of detergent leakage is avoided to the greatest extent. In the detergent dispensing device using the above-mentioned detergent storage box 100, the air inlet joint 520 and the liquid outlet joint 440 have a needle structure or a similar structure. After the detergent storage box 100 is installed in place with the dispenser box 300, the air inlet joint 520 and the liquid outlet joint 440 can pierce the sealing cover 210, thereby forming the conductive structure.

[0095] In a specific solution of this embodiment, after being installed in place, the liquid outlet connector 440 and the air inlet connector 520 of the pressurizing mechanism 500 can pierce the sealing cover 210 to be connected with the liquid storage box body 110.

[0096] One end of the air inlet joint 520 has a first needle-shaped portion 521, which pierces the sealing cover 210 and extends into the detergent storage box 100, so that the air inlet on the air inlet joint 520 is in communication with the interior of the detergent storage box 100. Similarly, one end of the liquid outlet joint 440 has a second needle-shaped portion 441, which pierces the sealing cover 210 and extends into the detergent storage box 100, so that the liquid inlet end of the liquid outlet joint 440 is in communication with the interior of the detergent storage box 100.

[0097] In the above solution, the right end of the fixed cover 220 has a hollow area, so that the middle area of ​​the right end surface of the sealing cover 210 is exposed. The first needle portion 521 and the second needle portion 441 are both hard and fine tips, and are fixed relative to the installation groove 400. The detergent storage box 100 is pushed into the installation groove 400 along with the dispenser box 300. When installed in place, the first needle portion 521 and the second needle portion 441 can pierce through the middle area of ​​the sealing cover 210 and extend into the inner side of the detergent storage box 100.

[0098] In a further embodiment of the present invention, the sealing cover 210 is located at the end surface (i.e. Figure 6 A concave liquid outlet groove 246 is provided on the left end surface of the cylindrical portion 120. The liquid outlet groove 246 extends parallel to the axis of the cylindrical portion 120, but does not penetrate the sealing cover 210. The liquid inlet end of the liquid outlet joint 440 pierces the sealing cover 210 through the second needle portion 441 and then is inserted into the liquid outlet groove 246.

[0099] Furthermore, one end of the liquid outlet pipe 130 is inserted into the liquid outlet groove 246 and is sealed with the liquid outlet groove 246. Specifically, a seal 131 is mounted near the end of the liquid outlet pipe 130 to seal the left end opening of the liquid outlet groove 246, ensuring that the liquid outlet groove 246 can only communicate with the inside of the liquid storage box body 110 through the liquid outlet pipe 130.

[0100] The above structure avoids the problem that when the amount of detergent remaining is small and the detergent liquid level is lower than the height of the liquid outlet groove 246, air leakage occurs through the liquid outlet groove 246, resulting in the detergent being unable to be discharged.

[0101] In a further solution of this embodiment, a concave pressurizing groove 236 is further provided on the left end surface of the sealing cover 210, and the pressurizing groove 236 extends parallel to the axis of the cylindrical portion 120, but does not penetrate the sealing cover 210. The liquid inlet end of the air inlet connector 520 pierces the sealing cover 210 through the first needle-shaped portion 521 and then is inserted into the pressurizing groove 236. In this way, from the overall structure, the thickness of the sealing cover 210 along the horizontal direction is consistent from top to bottom, and the thickness of the area where the first needle-shaped portion 521 needs to pierce is very small, so there will be no problem that the first needle-shaped portion 521 of the air inlet connector 520 needs to pierce a larger thickness and is easily damaged.

[0102] Preferably, the fixed cover 220 in this embodiment is also provided with a flange 221, and the flange 221 and the cylindrical portion 120 clamp the sealing cover 210 together to achieve a sealing effect. In particular, the sealing cover 210 in this embodiment is made of a soft material, which can prevent the air inlet connector 520 and the liquid outlet connector 440 from being damaged by a large squeezing force extending into the inner side of the detergent storage box 100.

[0103] In this embodiment, in an unused detergent storage box 100, the sealing cover 210 does not have a through-hole structure, which can ensure that the detergent storage box 100 is completely sealed and the detergent will not leak out.

[0104] When the detergent storage box 100 is installed in the dispenser box 300, with the dispenser box 300 installed in place, the first needle-shaped portion 521 of the air inlet joint 520 pierces the sealing cover 210, so that the air inlet port on the air inlet joint 520 extends into the pressurizing groove 236 and communicates with the inside of the liquid storage box body 110. At the same time, the second needle-shaped portion 441 on the liquid outlet joint 440 pierces the sealing cover 210, so that the liquid inlet end of the liquid outlet joint 440 extends into the liquid outlet groove 246 and communicates with the liquid outlet pipe 130. Since the sealing cover 210 is elastic, it can tightly wrap the side walls of the air inlet joint 520 and the liquid outlet joint 440 after being pierced, thereby ensuring that the position where the sealing cover 210 is pierced will not leak air or detergent.

[0105] When the washing machine is in operation and detergent needs to be added, the air pump 510 is started, and air is ventilated and pressurized into the detergent storage box 100 through the air inlet joint 520. The air pressure inside the detergent storage box 100 rises, driving the detergent along the liquid outlet pipe 130 into the liquid outlet tank 246, and then being added into the liquid mixing chamber 410 along the liquid outlet joint 440. After the air pump 510 stops working, the air pressure in the detergent storage box 100 no longer increases, and the detergent stops being added.

[0106] When the detergent in the detergent storage box 100 is used up, the user pulls out the dispenser box 300 again, and the air inlet connector 520 and the liquid outlet connector 440 are respectively drawn out of the sealing cover 210. The through hole structure left by the puncture on the sealing cover 210 can be resealed under its own elasticity, and since the residual amount of detergent in the detergent storage box 100 is very small, it will hardly leak out from the through hole structure.

[0107] In this embodiment, the sealing cover 210 is made of a soft elastic material. In the initial state, the sealing cover 210 has no through-hole structure at all, which ensures the sealing performance of the detergent storage box 100 to the greatest extent. The first needle-shaped portion 521 and the second needle-shaped portion 441 are used to pierce the sealing cover 210 to achieve the connection between the detergent storage box 100 and the air inlet connector 520 and the liquid outlet connector 440, respectively. The structure is simple and easy to implement. At the same time, the sealing cover 210 can use its own elastic properties to seal the air inlet connector 520 and the liquid outlet connector 440, ensuring the sealing performance of the detergent storage box 100 during use, and can also prevent residual detergent from leaking out when the detergent storage box 100 is replaced, ensuring the user experience.

[0108] Embodiment 3

[0109] like Figures 9 to 11 As shown, the difference between this embodiment and the above-mentioned embodiment 2 is that the opening on the liquid storage box body 110 is arranged on the bottom wall of the liquid storage box body 110, and the conductive structure passes through the sealing cover 210 in the vertical direction, that is, the air inlet of the pressurizing mechanism 500 and the liquid inlet end of the liquid outlet connector 440 both pass through the sealing cover 210 from bottom to top.

[0110] Specifically, in this embodiment, the opening is provided on the bottom wall of the liquid storage box body 110, and the sealing cover assembly 200 is installed. At the same time, the air inlet of the air inlet joint 520 and the liquid inlet end of the liquid outlet joint 440 are correspondingly provided at the lower part, the upper end of the air inlet joint 520 is provided with a first needle portion 521, and the upper end of the liquid outlet joint 440 is provided with a second needle portion 441. When in use, the user installs the detergent storage box 100 into the dispenser box 300 from top to bottom, and the first needle portion 521 and the second needle portion 441 can pierce the sealing cover 210 respectively, so that the air inlet on the air inlet joint 520 and the liquid inlet end of the liquid outlet joint 440 extend into the inner side of the detergent storage box 100.

[0111] In this embodiment, since the opening is located on the bottom wall of the liquid storage box body 110, and the liquid inlet end of the liquid outlet joint 440 is located close to the lowest point inside the detergent storage box 100, there is no need to set a liquid outlet pipe connected to the sealing cover 210 inside the detergent storage box 100, and the detergent can be directly discharged from the liquid outlet joint 440. Therefore, in this embodiment, preferably, there is no need to set a liquid outlet groove on the sealing cover 210, and a thinner thickness can be used, and the first needle-shaped portion 521 and the second needle-shaped portion 441 directly extend into the inner side of the detergent storage box 100 after piercing the sealing cover 210.

[0112] In the preferred solution of this embodiment, the detergent dispensing device may not be provided with a mounting groove, and the dispenser box 300 may be directly fixed to the body of the washing machine. A groove is provided on the bottom wall of the dispenser box 300 corresponding to the opening position of the liquid storage box body 110, which is used to accommodate the cylindrical portion 120 at the opening and the sealing cover assembly 200 installed on the opening. The air inlet joint 520 extends from the air pump 510 to the groove, and then extends upward to form a first needle-shaped portion 521 at the end. The liquid outlet joint 440 extends vertically, with a second needle-shaped portion 441 formed at the upper end, and the lower end is used to dispense detergent.

[0113] Specifically, the air pump 510 is arranged on the outside of the dispenser box 300. In order to reduce the extension length of the air inlet connector 520, the opening on the detergent storage box 100 and the groove on the bottom wall of the dispenser box 300 are both arranged close to the end where the air pump 510 is located.

[0114] Furthermore, there is a delivery cavity below the groove, on which a dispenser box water inlet 320 and a dispenser box water outlet 330 are respectively arranged. The dispenser box water inlet 320 is connected to the water inlet valve of the washing machine, the dispenser box water outlet 330 is connected to the water storage drum of the washing machine, and the lower end of the liquid outlet joint 440 extends into the delivery cavity.

[0115] When the detergent is put in, the water inlet valve is opened to allow the incoming water to flow into the said putting chamber. The air pump 510 is started to ventilate and pressurize the detergent storage box 100, and the detergent is put into the said putting chamber through the liquid outlet joint 440 under the action of air pressure, mixed with the incoming water, and put into the water storage drum of the washing machine together.

[0116] In a further solution of this embodiment, the upper side of the dispenser box 300 is open, and a movable box cover 340 is installed on the dispenser box 300 for opening / closing the upper side opening of the dispenser box 300.

[0117] Specifically, the box cover 340 is rotatably mounted on the dispenser box 300, and can be turned upward to open the dispenser box 300, and turned downward to close the upper opening of the dispenser box 300. More specifically, the rotating shaft of the box cover 340 is mounted at one end of the dispenser box 300 near the air pump 510.

[0118] When the user uses the detergent dispensing device in this embodiment, the box cover 340 is flipped upwards, and then the new detergent storage box 100 can be installed from top to bottom into the dispenser box 300. When installed in place, the first needle portion 521 and the second needle portion 441 pierce the sealing cover 210 and extend into the detergent storage box 100. After the detergent storage box 100 is installed, the user can flip the box cover 340 downwards to prevent the detergent storage box 100 from being exposed to the outside.

[0119] During the operation of the washing machine, the air pump 510 is started to ventilate and pressurize the detergent storage box 100, so that the detergent can be discharged from the detergent storage box 100, thereby realizing automatic delivery of the detergent.

[0120] When the detergent in the detergent storage box 100 is used up, the user can flip up the box cover 340 again to remove the detergent storage box 100 from bottom to top, and then install a new detergent storage box 100 into the dispenser box 300 for replacement.

[0121] In this embodiment, by adjusting the setting position of the opening on the detergent storage box 100, the installation method of the detergent storage box 100 to the dispenser box 300 can be changed, and then the dispenser box 300 itself can be fixed to the washing machine without setting a mounting groove, and the structure is simpler.

[0122] Embodiment 4

[0123] like Fig.12 and Fig.13 As shown, the difference between this embodiment and the above-mentioned embodiment three is that the specific structure of the sealing cover assembly 200 adopts the solution in embodiment one, and accordingly, the matching structure of the sealing cover assembly 200 and the air inlet connector 520 and the liquid outlet connector 440 also adopts the solution in embodiment one.

[0124] Specifically, the sealing cover 210 of the sealing cover assembly 200 is provided with a pressurizing through hole 235 and a liquid outlet through hole 245 communicating with the interior of the detergent storage box 100, and the pressurizing through hole 235 and the liquid outlet through hole 245 both penetrate the sealing cover 210 in the vertical direction. A one-way air inlet valve 230 is provided in the pressurizing through hole 235, and a liquid outlet valve 240 is provided in the liquid outlet through hole 245. In the initial state, the one-way air inlet valve 230 blocks the pressurizing through hole 235, and the liquid outlet valve 240 blocks the liquid outlet through hole 245.

[0125] When the detergent storage box 100 is installed from top to bottom inside the dispenser box 300, the upper end of the vertical section of the air inlet connector 520 is inserted into the pressurizing through hole 235 and sealed with the pressurizing through hole 235. The upper end of the liquid outlet connector 440, that is, the liquid inlet end thereof, is inserted into the liquid outlet through hole 245 and sealed with the liquid outlet through hole 245, and acts on the liquid outlet valve 240 to conduct the liquid outlet through hole 245.

[0126] When the air pump 510 is not working, the sealing cover 210, the air inlet connector 520 and the liquid outlet connector 440 are sealed to prevent air leakage. Fig.13 The lower end of the detergent storage box 100 is directly connected to the outside world. Under the action of atmospheric pressure, the detergent in the detergent storage box 100 will not flow out from the liquid outlet joint 440.

[0127] When detergent needs to be added, the air pump 510 is started, and air is ventilated and pressurized into the pressurized through hole 235 through the air inlet joint 520, and the one-way air inlet valve 230 is connected to the pressurized through hole 235 under the action of air pressure. Then, the air pump 510 can ventilate and pressurize the liquid storage box body 110, so that the detergent inside the liquid storage box body 110 enters the liquid outlet joint 440 under the drive of air pressure, and then is discharged along the liquid outlet joint 440, and after mixing with the inlet water flow, it flows out from the water outlet 330 of the dispenser box and is put into the water drum of the washing machine.

[0128] After the detergent is added, the air pump 510 stops working, and the air pressure in the pressurized through hole 235 is restored, and the one-way air inlet valve 230 returns to the state of blocking the pressurized through hole 235.

[0129] When the user needs to replace the detergent storage box 100, the current detergent storage box 100 can be taken out from bottom to top, and the air inlet joint 520 is pulled out from the pressurizing through hole 235, and the liquid outlet joint 440 is pulled out from the liquid outlet through hole 245 and separated from the liquid outlet valve 240, and the liquid outlet valve 240 re-blocks the liquid outlet through hole 245. In this way, the residual detergent in the detergent storage box 100 is prevented from leaking out.

[0130] Similar to the third embodiment, in this embodiment, since the liquid outlet hole 245 is located at the lowest point in the detergent storage box 100, there is no need to provide a liquid outlet pipe in the detergent storage box 100. When the liquid outlet valve 240 is connected to the liquid outlet hole 245, the detergent in the detergent storage box 100 can directly enter the liquid outlet joint 440 through the liquid outlet hole 245.

[0131] In this embodiment, the structure of the sealing cover assembly 200 is different from that of the above-mentioned embodiment 3, but it can also achieve the effect that after the detergent storage box 100 is installed, the detergent can be automatically added through ventilation and pressurization by the pressurizing mechanism 500, and when the detergent storage box 100 is replaced, the residual detergent will not leak out from the sealing cover assembly 200.

[0132] Embodiment 5

[0133] like Fig.14 As shown, this embodiment is a further limitation of any of the above embodiments, and the detergent dispensing device includes a plurality of detergent storage boxes 100 , and a plurality of pressurizing mechanisms 500 are provided, and correspond one to one with the detergent storage boxes 100 .

[0134] See also Fig.14 As a specific implementation of this embodiment, three detergent storage boxes 100 are installed in the dispenser box 300, and three pressurizing mechanisms 500 are arranged on the outer side of the right end of the dispenser box 300, which are connected to the three detergent storage boxes 100 in a one-to-one correspondence.

[0135] In the above solution, different types of detergents can be stored in the three detergent storage boxes 100, such as laundry detergent, bactericide and softener. During the operation of the washing machine, according to the type of detergent currently required to be added, the corresponding pressurizing mechanism 500 is controlled to start, and the corresponding detergent storage box 100 is ventilated and pressurized, so that the corresponding detergent can be added to the water drum.

[0136] In this embodiment, the detergent dispensing device can realize automatic dispensing control of a variety of different types of detergents, thereby enriching the user's laundry experience.

[0137] The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment, it is not used to limit the present invention. Any technician familiar with this patent can make some changes or modify the technical contents suggested above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the solution of the present invention.

Claims

1. A detergent storage box, characterized in that: include: The liquid storage box body is used to store detergent and has an opening; A sealing cover assembly is installed at the opening. The initial state of the sealing cover assembly is to block the opening. When in use, the sealing cover assembly can connect the liquid storage box body with the external space, receive the driving force for ventilation and pressurization into the liquid storage box body, and discharge the detergent in the liquid storage box body through the sealing cover assembly.

2. The detergent storage box according to claim 1, characterized in that: The sealing cover assembly comprises a sealing cover for sealing the opening and a fixing cover for fixing the sealing cover; in a use state, the sealing cover has a conducting structure for conducting the liquid storage box body with the external space.

3. The detergent storage box according to claim 2, characterized in that: The conduction structure comprises a pressurized through hole arranged on the sealing cover, wherein a one-way air intake valve for blocking the pressurized through hole is arranged in the pressurized through hole; the one-way air intake valve can conduct the pressurized through hole under the action of air pressure; And / or, the conduction structure includes a liquid outlet through hole arranged on the sealing cover, and a liquid outlet valve is arranged in the liquid outlet through hole; in an initial state, the liquid outlet valve blocks the liquid outlet through hole.

4. The detergent storage box according to claim 3, characterized in that: The one-way air intake valve comprises an air intake valve plug and a first reset member; the air intake valve plug is reciprocatably mounted in the pressurized through hole, and the first reset member is used to maintain the state in which the air intake valve plug blocks the pressurized through hole; And / or, the liquid outlet valve includes a liquid outlet valve plug and a second reset member; the liquid outlet valve plug can be reciprocatingly installed in the liquid outlet through hole, and the second reset member is used to maintain the state of the liquid outlet valve plug blocking the liquid outlet through hole.

5. The detergent storage box according to claim 2, characterized in that: The sealing cover is made of a soft elastic material. In an initial state, the sealing cover blocks the opening. In a use state, the sealing cover is partially pierced to form the conducting structure.

6. The detergent storage box according to any one of claims 2 to 5, characterized in that: The outer periphery of the opening extends toward the outside of the liquid storage box body to form a cylindrical portion; the sealing cover includes a main body portion inserted into the inner side of the cylindrical portion, one end of the main body portion away from the outer wall of the liquid storage box body is located outside the extended end of the cylindrical portion, and extends toward the outer periphery of the main body portion to form a covering portion covering the extended end surface of the cylindrical portion; The fixed cover comprises a fixed body which is sleeved on the outside of the cylindrical part, and one end of the fixed body away from the outer wall of the liquid storage box body has a flange extending inwardly, and the covering part of the sealing cover is sealed and clamped between the extended end of the cylindrical part and the flange of the fixed cover.

7. The detergent storage box according to any one of claims 2 to 5, characterized in that: The opening is arranged on the side wall of the liquid storage box body, and the conducting structure passes through the sealing cover in the horizontal direction; Alternatively, the opening is arranged on the bottom wall of the liquid storage box body, and the conducting structure passes through the sealing cover in a vertical direction.

8. The detergent storage box according to claim 7, characterized in that: The conduction structure includes a liquid discharge conduction structure for discharging detergent; the opening is arranged on the side wall of the liquid storage box body, a liquid discharge pipe is arranged inside the detergent liquid storage box, one end of the liquid discharge pipe is connected to the sealing cover and communicated with the liquid discharge conduction structure; The liquid outlet pipe extends horizontally for a certain length from one end connected to the sealing cover in a direction away from the sealing cover, then bends downward to extend toward the bottom wall of the liquid storage box body, and the extended end is close to the bottom wall of the liquid storage box body.

9. A detergent dispensing device, characterized in that: The detergent liquid storage box comprises the detergent liquid storage box as described in any one of claims 1 to 8, and also comprises a pressurizing mechanism, wherein the air inlet of the pressurizing mechanism passes through the sealing cover assembly and is connected to the liquid storage box body.

10. A washing machine, characterized in that: The detergent dispensing device comprises the detergent dispensing device according to claim 9.

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