WO2023179266A1 - Water injection box cover, automatic dispensing assembly, and laundry treatment apparatus - Google Patents

Abstract

A water injection box cover, an automatic dispensing assembly, and a laundry treatment apparatus. According to the water injection box cover (3), the water injection box cover is provided with a drain cavity (39), the drain cavity being provided between a water inlet channel (11) of a water injection box and a liquid discharge cavity (34); and the drain cavity is internally provided with a drain hole (391) for discharging residual liquid and relieving pressure. By means of the drain cavity provided between the water inlet channel and a water discharge channel (12), drainage and pressure adjustment can be completed before liquid enters the liquid discharge cavity, so that the pressure is prevented from being adjusted in the liquid discharge cavity, and a stable liquid discharge effect can be obtained; moreover, after a detergent is dispensed, water can be continuously discharged to a distributor box (4) by means of the drain hole so as to discharge the residual liquid, so that the problem that the residual liquid retained in the water injection box cover flows out of the water injection box cover due to an external factor such as the vibration of a machine or an uncertainty factor such as a change in internal air pressure, causing the user experience to be affected, is avoided.

Description

A water filling box cover, automatic delivery component and clothing processing device Technical field

The present invention relates to washing machine equipment, in particular, to a water filling box cover, an automatic dispensing assembly and a clothes processing device.

Background technique

Clothes handling devices such as washing machines are essential home appliances.

Most washing machines currently on the market have structures such as a detergent box or a water inlet box, through which water is fed into the detergent delivery box or the washing tub. The detergent box or the water inlet box usually has a plate-like structure. By opening holes in the plate-like structure, the liquid inside the washing box or the water inlet box is released. For example, the detergent box has a waterway assembly and a waterway cover plate that is closed on the waterway assembly. The waterway cover plate is provided with a cold water injection hole and a hot water injection hole. The cold water injection hole and the hot water injection hole are respectively connected with the waterway assembly. The cold water pipeline and hot water pipeline are set up accordingly. The cold water injection hole and the hot water injection hole are respectively arranged corresponding to the cold water pipeline and the hot water pipeline in the water channel assembly, and water is injected into the cold water pipeline and the hot water pipeline from the top of the water inlet assembly.

In the prior art, a drain port and a spray hole are provided on the waterway cover plate. The drain port is used to drain water to avoid uneven drainage and leakage of liquid caused by high pressure, and to the washing cavity through the spray hole.

However, the drain port and the spray are located in the same chamber, that is, while water is sprayed into the washing chamber, water is drained and pressure released through the drain port; this will cause pressure instability and affect the water spraying effect of the spray hole on the washing chamber. In addition, the existing waterway cover can only discharge the internal liquid, and there will be a problem of liquid residue. The residual liquid retained in the detergent box may flow out due to external factors such as machine vibration or internal air pressure changes and other uncertain factors. , affecting user experience.

In view of this, the present invention is proposed.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the shortcomings of the existing technology and provide a water filling box cover, an automatic putting component and a clothes processing device.

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

The invention proposes a water injection box cover, which has a water drainage cavity.

The water drainage cavity is arranged between the water inlet waterway and the drainage cavity of the water injection box cover;

The drain cavity is provided with a drain hole for draining residual liquid and releasing pressure.

Preferably, the bottom surface of the drain chamber is lower than the bottom surfaces of the drain chamber and the mixing chamber;

Moreover, the bottom surface of the drain chamber is inclined, and the drain hole is disposed at the lowest point of the bottom surface of the drain chamber.

Preferably, the drain chamber is provided above the distributor box;

The drain hole is connected to the distributor box; the liquid in the drain chamber flows into the distributor box under the action of gravity.

Preferably, the drain cavity is in the shape of a long strip, and a plurality of drain holes are provided in the drain cavity;

The liquid drainage chamber is arranged above the distributor box;

The drain hole is connected to the distributor box; the liquid in the drain chamber flows into the distributor box under the action of gravity.

Preferably, the water filling box cover has a detergent water channel for putting detergent into the dispenser box;

The detergent water path is connected to the drain chamber.

Preferably, the water injection box cover has a main water channel for supplying water to the mixing chamber;

The main water channel is connected to the mixing chamber.

Preferably, the liquid drainage chamber, mixing chamber and drain chamber are surrounded by convex ribs provided on the water injection box cover.

The invention also provides an automatic dispensing assembly, which includes the above-mentioned water injection box cover, a water storage tank and a distributor box. The distributor box is arranged in the water storage tank and located in the water storage tank. Below the water injection box cover.

Preferably, the automatic delivery component includes a temperature detection module and a control module;

The temperature detection module is used to detect the temperature of the hot water entering the water injection box cover from the hot water inlet pipe, and the temperature of the liquid in the water injection box cover;

The control module controls the liquid in the water filling box cover to be discharged at a specified temperature according to the detection results of the detection module. The automatic delivery component includes a temperature detection module and a control module;

The temperature detection module is used to detect the temperature of the hot water entering the water injection box cover from the hot water inlet pipe, and the temperature of the liquid in the water injection box cover;

The control module controls the liquid in the water filling box cover to be discharged at a specified temperature based on the detection results of the detection module.

The present invention also provides a clothes processing device, including the above-mentioned automatic delivery component.

After adopting the above technical solution, the present invention has the following beneficial effects compared with the existing technology:

In the present invention, by arranging a drainage cavity between the inlet waterway and the drainage waterway, the drainage can be completed before the liquid enters the drainage cavity, and the pressure can be adjusted; pressure adjustment in the drainage cavity can be avoided, and a more stable drainage can be obtained. Moreover, after the detergent is put in, water can be continuously drained to the distributor box through the drain hole to discharge the residual liquid; to avoid residual liquid remaining in the water injection box cover due to external factors such as machine vibration or changes in internal air pressure, etc. Uncertain factors flow out of the water filling box cover and residual liquid flows out, affecting the user experience.

Description of the drawings

The drawings, as part of the present invention, are used to provide a further understanding of the present invention. The schematic 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 in the following description are only some embodiments. For those of ordinary skill in the art, without exerting creative efforts, they can also obtain results based on these drawings. Get other pictures.

In the attached picture:

Figure 1 is a schematic structural diagram of the automatic delivery component in the present invention;

Figure 2 is an exploded schematic diagram of the automatic delivery component in the present invention;

Figure 3 is a schematic structural diagram of the dispenser box in the present invention;

Figure 4 is a schematic structural diagram of the water injection box cover in the present invention;

Figure 5 is a structural schematic diagram of the connection between the water injection box cover, the hot water inlet pipe and the detergent pipe in the present invention;

Figure 6 is an enlarged view of part A of Figure 5;

Figure 7 is a schematic structural diagram of the automatic delivery component in the present invention from another perspective;

Figure 8 is a schematic structural diagram of the fireproof component in the present invention;

Figure 9 is a schematic structural diagram of the dispenser box cover in Embodiment 1 of the present invention;

Figure 10 is a schematic structural diagram of a flip cover of the dispenser box in Embodiment 1 of the present invention;

Figure 11 is a schematic structural diagram of the dispenser box cover in Embodiment 2 of the present invention;

Figure 12 is a schematic structural diagram of a flip cover of the dispenser box in Embodiment 2 of the present invention.

In the picture:
1. Storage tank; 2. Upper cover of storage tank; 3. Water injection box cover; 4. Distributor box; 5. Fireproof components; 6. Electric pump; 7. Raised ribs;
11. Water inlet waterway; 12. Drainage waterway; 13. Water retaining structure;
21. Hot water inlet pipe; 22. Check valve; 23. Water inlet pipe; 24. Detergent pipe; 25.
connection structure;
31. Hot water chamber; 32. Water inlet chamber; 33. Mixing chamber; 34. Drainage chamber; 35. Hot water waterway; 36. Main waterway; 37. Labyrinth waterway; 38. Detergent waterway; 39. Drainage chamber ;
321. Drainage hole; 341. Drainage hole; 391. Drainage hole;
41. Snap structure; 42. Distributor box cover;
421. Detergent injection port; 422. Dispenser box flip cover;.
4221, baffle; 4222, sealing ring;
51. Fire cavity; 52. Upper connecting piece; 53. Lower connecting piece;
521. Upper connection hole; 531. Lower connection hole.

It should be noted that these drawings and text descriptions are not intended to limit the scope of the invention in any way, but are intended to illustrate the concept of the invention for those skilled in the art by referring to specific embodiments.

Detailed ways

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

In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, the term "connection" 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 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 those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

The present invention will be further described in detail below with reference to examples.

As shown in Figures 1-12, the present invention proposes a clothing processing device, which has an automatic delivery component. The automatic dispensing component is used to dispose detergent, softener, water supply, etc. into the washing drum of the clothes processing device.

The automatic delivery component includes a storage tank 1, a storage tank upper cover 2, a water injection box cover 3, a distributor box 4 and an electric pump 6. Between the storage tank 1 and the upper cover 2 of the storage tank, a water injection box cover 3 and a distributor box 4 are arranged in sequence from top to bottom. The fireproof board 5 is arranged on the upper cover 2 of the water storage tank.

The water injection box cover 3 serves as the lower cover of the water storage tank 1 and is arranged at the open outlet of the water storage tank 1. The upper surface of the water injection box cover 3 is provided with convex ribs 7, and the convex ribs 7 form different water channel structures and cavity structures on the upper surface of the water injection box lid 3. Both the waterway structure and the cavity structure are areas surrounded by the convex ribs 7 on the surface of the water injection box cover, which are used to guide water flow or serve as a delivery area for water flow and detergent.

The water channel structure and the regional structure are used to guide the flow of water and detergent to different positions of the water filling box cover 3 to realize different functions of the water filling box cover 3 .

The upper cover 2 of the storage tank is pressed against the lid 3 of the water injection box so that the waterway structure and the regional structure are located between the upper cover 2 of the storage tank and the lid 3 of the water injection box to avoid leakage of water flow and washing liquid.

The distributor box 4 is arranged in the water storage tank 1 and is located below the water injection box cover 3. The water injection box cover 3 is provided with a through passage 31 for discharging the water flow and/or washing liquid in the water channel structure and regional structure into Located at the designated position of the distributor box 4 below it.

Both the sink upper cover 2 and the water injection box cover 3 are provided with water inlets through which water flow and/or washing liquid are injected into the water channel structure and/or cavity structure of the water injection box cover 3 .

The chamber structure includes: hot water chamber 31, water inlet chamber 32, mixing chamber 33 and drain chamber 34;

The waterway structure includes: hot water waterway 35, main waterway 36, labyrinth waterway 37, and detergent waterway 38. Multiple drainage chambers 34 may be provided.

The hot water chamber 31 is connected to the hot water channel 35 , and the hot water channel 35 is connected to the mixing chamber 33 . The mixing chamber 33 is connected to the drain chamber 34 .

The hot water inlet pipe 21 is provided on the upper cover 2 of the storage tank, and the hot water inlet pipe 21 is connected to the hot water chamber 31 through the upper cover 2 of the storage tank. A check valve 22 is provided in the hot water chamber 31 , and the check valve 22 is connected to the hot water channel 35 . The hot water enters the hot water chamber 31 through the hot water inlet pipe 21 and enters the hot water channel 35 through the check valve 22 in the hot water chamber 31 . The check valve 22 ensures one-way flow of hot water from the hot water chamber 31 to the hot water channel 35 .

Since the hot water channel 35 is connected to the mixing chamber 33, the hot water flowing into the hot water channel 35 through the hot water inlet pipe 21 can enter the mixing chamber 33 through the hot water channel 35, and flow into the drain chamber 34 through the mixing chamber 33. The liquid drain chamber 34 drains the water filling box cover 3 .

The water inlet cavity 32 is provided with a drainage hole 321. The upper cover 2 of the storage tank is provided with a water inlet pipe 23 and a connecting structure 25. The water inlet pipe 23 is connected to the connecting structure 25. The connecting structure 25 is connected to the water inlet chamber 32 and is connected to the pump through a check valve. The pump is connected to the main pump respectively. Waterway 36 and Labyrinth Waterway 37;

The main water channel 36 communicates with the mixing chamber 33 . The labyrinth waterway 37 is provided with a water outlet.

The liquid entering the main water channel 36 through the water inlet pipe 23 can enter the mixing chamber 33, mix with the liquid entering the mixing chamber 33 through the hot water pipe 21, and can enter the drain chamber 34. The liquid entering the labyrinth waterway 37 from the water inlet pipe 23 can be discharged from the labyrinth waterway 37 through the water outlet provided on the labyrinth waterway 37, that is, out of the water injection box cover 3.

The water filling box cover 3 is connected to a detergent pipe 24 , the detergent pipe 24 is connected to the detergent water path 38 , and the detergent water path 38 is connected to the drain chamber 34 . The detergent pipe 24 is used to put in detergent, softener and other substances, and transports them to the drain chamber 34 through the detergent water channel 38. Finally, the detergent, softener, etc. are discharged through the drain chamber 34, and the detergent, softener, etc. are discharged from the water filling box cover 3.

The drain chamber 34 is elongated and U-shaped, and is provided with a plurality of penetrating drain holes 341 for evenly draining the liquid that enters the interior of the drain chamber 34 . The drain chamber 34 is located above the distributor box 4, and the drain hole 341 is connected to the distributor box 4 so that the liquid in the drain chamber 34 flows into the distributor box 4 under the action of gravity. The liquid in the labyrinth water channel 37 is discharged to the distributor box 4 through the water outlet provided on the labyrinth water channel 37 . Preferably, there are two drain chambers 34, one of which is connected to the mixing chamber 33, and the other drain chamber 34 is connected to the detergent water path 38, so that separate discharges can be achieved and cross-mixing of the water paths can be avoided.

The hot water inlet pipe 21, the water inlet pipe 23 and the detergent pipe 24 are all connected with pumps, and the liquid is transported to the water filling box cover 3 through the pumps.

The water injection box cover 3 is also provided with a drain cavity 39, and the drain cavity 39 is provided with a drain hole 391. The drain chamber 39 communicates with the drain chamber 34 and the mixing chamber 33 . The drain hole 391 is used to discharge the liquid in the drain chamber 39 from the water filling box cover 3 and into the distributor box 4 .

The bottom surface of the drain chamber 39 is lower than the bottom surfaces of the drain chamber 34 and the mixing chamber 33. Therefore, the liquid in the drain chamber 34 and the mixing chamber 33 can naturally flow into the drain chamber 39 and pass through the drain hole. 391 discharge. Preferably, the drain hole 391 is provided at the edge of the drain chamber 39, and the bottom surface of the drain chamber 39 is a slope. The drain hole 391 is located at the lowest point of the slope, which can facilitate the rapid discharge of the liquid in the drain chamber 39. .

The drain hole 391 is connected to the distributor box 4 so that the liquid in the drain chamber 39 flows into the distributor box 4 under the action of gravity. Through the drain hole 391, after the detergent is put in, the residual liquid in the water filling box cover 3 can be intermittently dripped into the distributor box 4. That is, the drain hole 391 can continuously drain water to the distributor box 4 to avoid the water filling box. The residual liquid retained in the cover 3 will flow out of the water injection box cover 3 due to external factors such as machine vibration or uncertain factors such as changes in internal air pressure, affecting the user experience.

A water retaining structure 13 is provided in the drain chamber 39; the drain chamber 39 is connected to a water inlet waterway 11 and a drainage waterway 12. The drain chamber 39 is connected to the mixing chamber 33 through the inlet water path 11 , and the drain chamber 39 is connected to the drain chamber 34 through the drain water path 12 .

The connection port between the inlet waterway 11 and the drain chamber 39 is facing the water retaining structure 13; the water retaining structure 13 is used to slow down the flow rate of the liquid entering the drain chamber 39 from the inlet waterway 11, so as to make the liquid flow rate stable and facilitate uniform discharge. The water retaining structure 13 is a convex rib provided in the drainage cavity 39 , and is a plate-like structure with a curved surface; and, the curved surface faces the connection port between the water inlet channel 11 and the drainage cavity 39 . The liquid entering the drain chamber 39 from the inlet waterway 11 can form a vortex to prevent it from being directly discharged to the drain waterway through the drain chamber 39, thereby reducing the flow rate and improving stability.

The drain hole 391 is provided between the connection port of the water inlet channel 11 and the drain cavity 39 and the position of the curved surface. The connection port between the drainage water channel 12 and the drain cavity 39, and the connection port is located on the side away from the curved surface. The liquid flow rate in the drainage waterway 12 can be stabilized. Preferably, the water inlet channel 11 is in a curved shape, which can further slow down the liquid flow rate and make the flow rate stable.

In the present invention, by arranging a drainage cavity between the inlet waterway and the drainage waterway, the drainage can be completed before the liquid enters the drainage cavity, and the pressure can be adjusted; pressure adjustment in the drainage cavity can be avoided, and a more stable drainage can be obtained. Moreover, after the detergent is put in, water can be continuously drained to the distributor box through the drain hole to discharge the residual liquid; to avoid residual liquid remaining in the water injection box cover due to external factors such as machine vibration or changes in internal air pressure, etc. Uncertainty factors flow out of the water injection box cover, The residual liquid flows out, affecting the user experience.

The automatic delivery component also includes a temperature detection module and a control module;

The temperature detection module is used to detect the temperature of the hot water entering the water injection box cover 3 from the hot water inlet pipe 21, and the temperature of the liquid in the water injection box cover 3;

The control module controls the liquid in the water filling box cover 3 to be discharged at a specified temperature according to the detection results of the detection module.

Preferably, the temperature detection module includes a hot water valve temperature sensor provided on the hot water inlet pipe 21 and an automatic delivery temperature sensor provided on the upper cover 3 of the storage tank.

The dispenser box 4 is arranged in the water storage tank 1 through a pull-out device, and the dispenser box 4 can be pulled out to manually add detergent, softener, washing powder, etc. Preferably, the pull-out device can adopt structures such as pulleys and guide rails to facilitate pulling out the dispenser box 4 and pushing it back to the water storage tank 1 .

The front end of the distributor box 4 is provided with a buckle structure 41. The buckle structure 41 allows the distributor box 4 to be detachably connected to the water storage tank 1, and plays a role in positioning the distributor box 4 after the connection. , the dispenser box 4 can be pulled out to release the fixation.

When the dispenser box 4 is pulled out, the buckle structure 41 is disconnected from the water storage tank 1. At this time, detergent, softener, washing powder, etc. can be added to the dispenser box 4. When the addition is complete, the dispenser box 4 can be pushed back into the water reservoir 1 . After the dispenser box 4 is pushed back, the buckle structure 41 is snap-connected to the water storage tank 1 to lock the dispenser box 4 and make the connection stable, which facilitates the placement and extraction of detergent.

Preferably, multiple buckle structures 41 are provided at both ends and the middle of the front end of the dispenser box 4. In order to further enhance the stability of the connection of the buckle structures 41, multiple buckle structures 41 are staggered up and down in the vertical direction. set up. Specifically, the buckle structure 41 is an elastic latch structure provided at the front end of the dispenser box 4. The inner wall of the water storage tank 1 is provided with a slot that matches the elastic latch structure, and is fixed by the matching connection between the elastic latch structure and the slot. The dispenser box 4.

The dispenser box 4 includes a dispenser box cover 42. The dispenser box cover 42 is provided with a detergent dispenser. port 421 and dispenser box flip cover 422. The dispenser box flip cover 422 is disposed at the detergent put-in port 421 . The detergent put-in port 421 can be used to put detergent into the dispenser box 4 . The dispenser box cover 42 is used to prevent dirt from entering the detergent put-in port 421 .

The dispenser box cover 42 and the dispenser box flip cover 422 are provided with a clamping structure. When the dispenser box flip cover 422 is closed, through the clamping structure, the dispenser box flip cover 422 is clamped on the dispenser box cover 42, thereby blocking the washing. The agent injection port 421 has a sealing effect.

Preferably, the clamping structure is a clamping plate provided on the distributor box flip cover 422, and a clamping slot provided on the dispenser box cover 42 that matches the clamping plate.

The dispenser box flip cover 422 can adopt different structures and be arranged on the dispenser box cover 42 in different ways. The following is explained through specific embodiments;

Example 1:

The dispenser box cover 42 has a groove structure in which the detergent injection port 421 is located; the detergent injection port 421 extends downward, and the opening gradually decreases.

The dispenser box flip cover 422 is arranged at the position of the detergent injection port 421 on the dispenser box cover 42 through a rotating structure. The dispenser box flip cover 422 can be rotated to open and close.

The rotating structure includes a rotating shaft hole or a rotating shaft provided on the baffle 4221. The distributor box cover 42 is provided with a rotating shaft or rotating shaft hole that matches the rotating shaft hole or rotating shaft; the distributor box flip cover 422 is in contact with the distributor. The box cover 42 is rotationally connected, so that the distributor box flip cover 422 is opened and closed in a rotational manner; or the rotation structure is a rotating shaft positioning structure provided on the distributor box cover 42, and a rotating shaft provided on the distributor box flip cover 422, Through the rotational connection between the rotating shaft positioning structure and the rotating shaft, the distributor box flip cover 422 is opened and closed in a rotational manner.

A baffle 4211 is provided at the edge of the distributor box flip cover 422. The groove structure on the distributor box cover 42 matches the baffle 4211. When the distributor box flip cover 422 is closed, the baffle 4211 is embedded in the distributor box. The groove structure on the cover 42 achieves better sealing effect.

Preferably, on the side of the groove structure of the distributor box cover 42, it is arranged on the baffle 4221 The rotating shaft hole position or the rotating shaft matches the rotating shaft or rotating shaft hole position; thereby the distributor box flip cover 422 is arranged on the distributor box cover 42 .

Example 2:

The dispenser box cover 42 has a groove structure in which the detergent injection port 421 is located; the detergent injection port 421 extends downward, and the opening gradually decreases.

The dispenser box flip cover 422 is arranged at the position of the detergent injection port 421 on the dispenser box cover 42 through a rotating structure. The dispenser box flip cover 422 can be rotated to open and close.

The rotating structure includes a rotating shaft hole or a rotating shaft provided on the distributor box flip cover 422. The distributor box cover 42 is provided with a rotating shaft or rotating shaft hole that matches the rotating shaft hole or rotating shaft; the distributor box flip cover 422 It is rotationally connected to the distributor box cover 42 so that the distributor box flip cover 422 is opened and closed in a rotational manner; or the rotation structure is a rotating shaft positioning structure provided on the distributor box cover 42 and is provided on the distributor box flip cover 422 The rotating shaft is connected to the rotating shaft through the rotation of the rotating shaft positioning structure, so that the distributor box flip cover 422 is opened and closed in a rotating manner.

Preferably, the bottom surface of the groove structure of the distributor box cover 42 is provided with a rotating shaft hole or a rotating shaft that matches the rotating shaft hole position or rotating shaft on the distributor box flip cover 422; thereby the distributor box flip cover 422 is arranged on Dispenser box lid 42.

Preferably, in order to further enhance the sealing effect, a sealing ring 4222 is provided on the distributor box flip cover 422. When the distributor box flip cover 422 is closed, the sealing ring 4222 blocks the detergent injection port 421 on the dispenser box cover 42 to achieve Seal the detergent injection port 421.

Preferably, the sealing ring 4222 has an annular structure. When the dispenser box flip cover 422 is closed, the sealing ring 4222 is embedded in the detergent injection port 421.

The automatic dispensing component includes an electric pump 6, which provides a stable negative pressure to realize the function of automatically absorbing detergent. Considering that the liquid output from the Venturi pump is unstable, the present invention provides stable negative pressure through the electric pump 6 to automatically absorb the detergent.

In order to improve the module versatility of the automatic delivery component, the electric pump 6 adopts the method of plug-in terminals connect. In order to improve the fire protection level, a fireproof component 5 is installed on the outside of the plug terminal; this fireproof component 5 can not only realize the fire protection function, isolate the plug terminal from the surrounding plastic structure, but also enable subsequent plugging of the terminal, making assembly easy; There is sufficient fire protection distance above the electric pump 6 and the terminal, and the fire protection level around the terminal can be improved with the help of fire protection components 5.

The fire-proof component 5 is fixedly installed on the upper cover 2 of the water storage tank. The fire-proof component 5 surrounds the plug-in terminal of the electric pump 6 and plays a fire-proof role in the plug-in terminal.

The fireproof component 5 is in the shape of a rectangular frame, forming a fireproof cavity 51 with partitioning and fireproof effects; the plug terminals of the electric pump 6 are located in the fireproof cavity 51, which can isolate the plug terminals to avoid overheating and causing fires.

The upper and lower parts of the fire-proof component 5 have openings, which can allow air to circulate, dissipate heat as quickly as possible, effectively avoid overheating, and have a heat dissipation effect.

Made of fireproof and refractory materials, the top of the fireproof member 5 is bent outward to form an upper connecting piece 52, and the bottom is provided with a lower connecting piece 53. The upper connecting piece 52 is arranged horizontally, and the lower connecting piece 53 is arranged vertically. They are perpendicular to each other and fix the fireproof component 5 in the horizontal and vertical directions respectively, which has better stability.

The upper connecting piece 52 is provided with an upper connecting hole 521, and the lower connecting piece 53 is provided with a lower connecting hole 531. The fireproof component 5 can be fixedly connected through bolts, screws, etc. in conjunction with the upper connecting hole 521 and the lower connecting hole 531. The structure is simple. Fixed and reliable.

The above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed above in preferred embodiments, it is not intended to limit the present invention. Anyone familiar with the technology of this patent Without departing from the scope of the technical solution of the present invention, personnel can make some changes or modify the above-mentioned technical contents into equivalent embodiments with equivalent changes. In essence, any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the present invention.

Claims (10)

1. A water injection box cover, characterized by:

   The water injection box cover has a drain cavity,

   The drain chamber is arranged between the water inlet waterway and the drain chamber of the water injection box cover; the inlet water first enters the drain chamber through the water inlet water path, and then enters the drain chamber through the drain chamber;

   The drain cavity is provided with a drain hole for draining residual liquid and releasing pressure.
2. A water filling box cover according to claim 1, characterized in that the water drainage chamber is connected to the liquid drainage chamber through a drainage waterway.
3. A water injection box cover according to claim 2, characterized in that:

   A water retaining structure is provided in the drain cavity;

   The connection port between the water inlet waterway and the drain chamber faces the water retaining structure;

   The water retaining structure is used to slow down the flow rate of liquid entering the drain cavity from the water inlet waterway.
4. A water filling box cover according to claim 3, characterized in that the water retaining structure has a curved surface;

   The curved surface faces the connection port between the water inlet waterway and the drain chamber.
5. A water filling box cover according to claim 4, characterized in that the water leakage hole is provided at a connection point between the water inlet waterway and the water discharge chamber and between the position of the curved surface. between.
6. A water filling box cover according to claim 4, characterized in that the connection port between the drainage water channel and the drain chamber is located on a side away from the curved surface.
7. A water filling box cover according to claim 2, characterized in that the water inlet water channel is bent.
8. A water filling box cover according to claims 1-7, characterized in that the water drain chamber and the water inlet water route are surrounded by convex ribs provided on the water filling box cover.
9. An automatic delivery component, characterized in that it includes a water injection box cover according to any one of claims 1-8, and also includes a temperature detection module and a control module;

   The temperature detection module is used to detect the temperature of the hot water entering the water injection box cover from the hot water inlet pipe, and the temperature of the liquid in the water injection box cover;

   The control module controls the liquid in the water filling box cover to be discharged at a specified temperature based on the detection results of the detection module.
10. A clothes treatment device, characterized by comprising a water filling box cover according to any one of claims 1-8.