CN116837599A - Water injection box cover, automatic throwing component and clothes treatment device - Google Patents

Abstract

The invention discloses a water injection box cover, an automatic throwing component and a clothes treatment device, wherein the water injection box cover is provided with a water drainage cavity, and the water drainage cavity is arranged between a water inlet waterway and a liquid drainage cavity of the water injection box; and a water discharge hole for discharging residual liquid and releasing pressure is arranged in the water discharge cavity. According to the invention, the water leakage cavity is arranged between the water inlet waterway and the water outlet waterway, so that water leakage can be completed before liquid enters the liquid discharge cavity, and the pressure can be regulated; the pressure regulation in the liquid discharge cavity is avoided, and a more stable liquid discharge effect can be obtained; after the detergent is put in, the residual liquid can be continuously discharged to the distributor box through the water discharge hole, and the residual liquid is discharged; the phenomenon that residual liquid retained in the water injection box cover flows out of the water injection box cover along with external factors such as machine vibration or uncertain factors such as internal air pressure fluctuation is avoided, and the residual liquid flows out to influence user experience.

Description

Water injection box cover, automatic throwing component and clothes treatment device

Technical Field

The invention relates to washing machine equipment, in particular to a water injection box cover, an automatic throwing component and a clothes treatment device.

Background

Laundry treatment apparatuses such as washing machines are indispensable home appliances.

At present, most of the washing machines on the market have structures such as a detergent box and a water inlet box, and water is fed into the detergent feeding box or the washing drum through the structures such as the detergent box and the water inlet box. The detergent box or the water inlet box is provided with a plate-shaped structure, and the liquid in the detergent box or the water inlet box is put in through the holes on the plate-shaped structure. For example, the detergent box is provided with a waterway assembly and a waterway cover plate covered on the waterway assembly, wherein the waterway cover plate is provided with a cold water injection hole and a hot water injection hole, and the cold water injection hole and the hot water injection hole are respectively arranged corresponding to a cold water pipeline and a hot water pipeline in the waterway assembly. 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 waterway assembly, and water is injected from the upper side of the water inlet assembly to the cold water pipeline and the hot water pipeline.

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

However, the water drain port and the spray are positioned in the same chamber, namely, the water is sprayed to the washing cavity and simultaneously discharged through the water drain port to release pressure; therefore, unstable pressure can be caused, and the water spraying effect of the spraying holes on the washing cavity is affected. In addition, the waterway cover plate in the prior art can only discharge the liquid in the waterway cover plate, so that the problem of liquid residue can exist, and residual liquid retained in the detergent box can possibly flow out due to external factors such as random vibration or uncertain factors such as internal air pressure fluctuation, thereby influencing user experience.

In view of this, the present invention has been made.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects in the prior art and providing a water injection box cover, an automatic throwing component and a clothes treatment device.

In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:

the invention provides a water injection box cover, which is provided with a water leakage cavity,

the water discharge cavity is arranged between a water inlet waterway of the water injection box cover and the liquid discharge cavity;

and a water discharge hole for discharging residual liquid and releasing pressure is arranged in the water discharge cavity.

Preferably, the bottom surface of the drainage cavity is lower than the bottom surfaces of the drainage cavity and the mixing cavity;

and the bottom surface of the water draining cavity is obliquely arranged, and the water draining hole is arranged at the lowest point of the bottom surface of the water draining cavity.

Preferably, the water discharge cavity is arranged above the distributor box;

the water discharge hole is communicated with the distributor box; the liquid in the drainage cavity flows into the distributor box under the action of gravity.

Preferably, the liquid draining cavity is in a strip shape, and a plurality of liquid draining holes are arranged in the liquid draining cavity;

the liquid draining cavity is arranged above the distributor box;

the liquid discharge hole is communicated with the distributor box; the liquid in the liquid discharge cavity flows into the distributor box under the action of gravity.

Preferably, the water injection box cover is provided with a detergent waterway for injecting detergent into the dispenser box;

the detergent waterway is communicated with the liquid draining cavity.

Preferably, the water injection box cover is provided with a main waterway for supplying water to the mixing cavity;

the main waterway is communicated with the mixing cavity.

Preferably, the liquid draining cavity, the mixing cavity and the water draining cavity are surrounded by convex ribs arranged on the water injection box cover.

The invention also provides an automatic throwing component, which comprises the water injection box cover, a water storage tank and a distributor box, wherein the distributor box is arranged in the water storage tank and is positioned below the water injection box cover.

Preferably, the automatic delivery assembly comprises a temperature detection module and a control module;

the temperature detection module is used for detecting the temperature of hot water entering the water injection box cover from the hot water inlet pipe and the temperature of liquid in the water injection box cover;

the control module is used for controlling the liquid in the water injection box cover to be discharged out of the automatic feeding assembly at a specified temperature according to the detection result of the detection module, and comprises a temperature detection module and a control module;

the temperature detection module is used for detecting the temperature of hot water entering the water injection box cover from the hot water inlet pipe and the temperature of liquid in the water injection box cover;

and the control module is used for controlling the liquid in the water injection box cover to be discharged at a specified temperature according to the detection result of the detection module.

The invention also provides a clothes treatment device which comprises the automatic throwing assembly.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects:

according to the invention, the water leakage cavity is arranged between the water inlet waterway and the water outlet waterway, so that water leakage can be completed before liquid enters the liquid discharge cavity, and the pressure can be regulated; the pressure regulation in the liquid discharge cavity is avoided, and a more stable liquid discharge effect can be obtained; after the detergent is put in, the residual liquid can be continuously discharged to the distributor box through the water discharge hole, and the residual liquid is discharged; the phenomenon that residual liquid retained in the water injection box cover flows out of the water injection box cover along with external factors such as machine vibration or uncertain factors such as internal air pressure fluctuation is avoided, and the residual liquid flows out to influence user experience.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.

In the drawings:

FIG. 1 is a schematic view of the structure of an automatic dispensing assembly of the present invention;

FIG. 2 is an exploded view of the automatic delivery assembly of the present invention;

FIG. 3 is a schematic view of the dispenser box of the present invention;

FIG. 4 is a schematic view of the structure of the water injection cap of the present invention;

FIG. 5 is a schematic view of the structure of the connection of the water injection box cover with the hot water inlet pipe and the detergent pipe;

fig. 6 is an enlarged view of a portion a of fig. 5;

FIG. 7 is a schematic view of an alternative view of the automated delivery assembly of the present invention;

fig. 8 is a schematic view of the structure of the fire-protecting member of the present invention;

FIG. 9 is a schematic view showing the structure of a dispenser cap according to the first embodiment of the present invention;

FIG. 10 is a schematic view of the structure of a flip cover of a dispenser box according to the first embodiment of the invention;

FIG. 11 is a schematic view of a dispenser cap according to a second embodiment of the invention;

fig. 12 is a schematic view showing the structure of a flip cover of a dispenser box according to the second embodiment of the invention.

In the figure:

1. a water storage tank; 2. an upper cover of the water storage tank; 3. the water injection box cover; 4. a dispenser box; 5. a fireproof member; 6. an electric pump; 7. convex ribs;

11. a water inlet waterway; 12. a water drainage channel; 13. a water retaining structure;

21. a hot water inlet pipe; 22. a non-return valve; 23. a water inlet pipe; 24. a detergent tube; 25. a connection structure;

31. a hot water chamber; 32. a water inlet cavity; 33. a mixing chamber; 34. a liquid discharge cavity; 35. a hot water waterway; 36. a main waterway; 37. labyrinth waterways; 38. a detergent waterway; 39. a water drainage cavity;

321. a drain hole; 341. a liquid discharge hole; 391. a water discharge hole;

41. a buckle structure; 42. a dispenser cap;

421. a detergent inlet; 422. flip cover of the distributor box; .

4221. A baffle; 4222. a seal ring;

51. a fire-resistant cavity; 52. an upper connecting sheet; 53. a lower connecting piece;

521. an upper connection hole; 531. and a lower connecting hole.

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

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the term "connected" should be interpreted broadly, and for example, it may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

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

As shown in fig. 1 to 12, the present invention proposes a laundry treating apparatus having an automatic feeding assembly. The automatic feeding component is used for feeding the detergent, the softener, the water supply and the like into a washing cylinder of the clothes treatment device.

The automatic throwing component comprises a water storage tank 1, a water storage tank upper cover 2, a water injection box cover 3, a distributor box 4 and an electric pump 6. A water injection box cover 3 and a distributor box 4 are sequentially arranged between the water storage tank 1 and the water storage tank upper cover 2 from top to bottom. The fireproof plate 5 is arranged on the water storage tank upper cover 2.

The water injection lid 3 is as the aqua storage tank lower cover of aqua storage tank 1, sets up the uncovered of aqua storage tank 1, and the upper surface of water injection lid 3 is equipped with protruding muscle 7, and protruding muscle 7 forms different waterway structures and cavity structures at the upper surface of water injection lid 3. The waterway structure and the cavity structure are all areas surrounded by the ribs 7 on the surface of the water injection box cover and are used for guiding water flow or serving as a water flow and detergent throwing area.

The waterway structure and the area structure are used for guiding water flow and detergent to flow to different positions of the water injection box cover 3 so as to realize different functions of the water injection box cover 3.

The water storage tank upper cover 2 is tightly pressed on the water injection box cover 3, so that the waterway structure and the regional structure are positioned between the water storage tank upper cover 2 and the water injection box cover 3, and water flow and washing liquid leakage are avoided.

The distributor box 4 is arranged in the water storage tank 1 and is positioned below the water injection box cover 3, and the water injection box cover 3 is provided with a through 31 for throwing water flow and/or washing liquid in the waterway structure and the regional structure to the appointed position of the distributor box 4 positioned below the water flow and/or washing liquid.

Water inlets are arranged on the water tank upper cover 2 and the water injection box cover 3, and water flow and/or washing liquid are put into the waterway structure and/or the cavity structure of the water injection box cover 3 through the water inlets.

The cavity structure includes: a hot water chamber 31, a water inlet chamber 32, a mixing chamber 33 and a liquid discharge chamber 34;

the waterway structure comprises: a hot water waterway 35, a main waterway 36, a labyrinth waterway 37, and a detergent waterway 38. The drainage lumen 34 may be provided in plurality.

The hot water chamber 31 communicates with a hot water path 35, and the hot water path 35 communicates with the mixing chamber 33. The mixing chamber 33 communicates with a drainage chamber 34.

The water storage tank upper cover 2 is provided with a hot water inlet pipe 21, and the hot water inlet pipe 21 is communicated with the hot water cavity 31 through the water storage tank upper cover 2. A check valve 22 is arranged in the hot water cavity 31, and the check valve 22 is connected with a hot water channel 35. Hot water enters the hot water chamber 31 from the hot water inlet pipe 21 and enters the hot water waterway 35 through the check valve 22 in the hot water chamber 31. The check valve 22 ensures one-way circulation of the hot water flowing from the hot water chamber 31 to the hot water path 35.

Since the hot water path 35 is communicated with the mixing chamber 33, the hot water flowing into the hot water path 35 through the hot water inlet pipe 21 can enter the mixing chamber 33 through the hot water path 35, flow into the liquid discharge chamber 34 through the mixing chamber 33, and discharge the water injection cap 3 through the liquid discharge chamber 34.

A drain hole 321 is provided in the water inlet chamber 32. The water storage tank upper cover 2 is provided with a water inlet pipe 23 and a connecting structure 25, the water inlet pipe 23 is connected with the connecting structure 25, the connecting structure 25 is communicated with the water inlet cavity 32 and is connected with a pump through a check valve, and the pump is respectively connected with a main waterway 36 and a labyrinth waterway 37;

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

From the inlet pipe 23, the liquid entering the main waterway 36 may enter the mixing chamber 33, mix with the liquid entering the mixing chamber 33 from the hot water pipe 21, and may enter the discharge chamber 34. The liquid entering the labyrinth waterway 37 through the water inlet pipe 23 can be discharged out of the labyrinth waterway 37 through the water outlet arranged on the labyrinth waterway 37, namely, the water injection box cover 3.

The water injection box cover 3 is connected with a detergent pipe 24, the detergent pipe 24 is communicated with a detergent water channel 38, and the detergent water channel 38 is communicated with a liquid discharge cavity 34. The detergent pipe 24 is used for putting substances such as detergent, softener and the like, and is conveyed to the liquid discharging cavity 34 through the detergent waterway 38, and finally, the liquid is discharged through the liquid discharging cavity 34, and the detergent, the softener and the like are discharged out of the water injection box cover 3.

The liquid discharge cavity 34 is in a long strip shape and a U shape, and is provided with a plurality of through liquid discharge holes 341 for uniformly discharging the liquid entering the inside of the liquid discharge cavity 34. The liquid discharging cavity 34 is positioned above the distributor box 4, and the liquid discharging hole 341 is communicated with the distributor box 4; the liquid in the drainage chamber 34 is caused to flow under gravity into the distributor box 4. The liquid in the labyrinth waterway 37 is discharged to the dispenser box 4 through a water outlet provided on the labyrinth waterway 37. Preferably, two liquid discharge chambers 34 are provided, one of which is communicated with the mixing chamber 33, and the other liquid discharge chamber 34 is communicated with the detergent waterway 38, so that the two liquid discharge chambers can be respectively discharged, and cross mixing of the waterways is avoided.

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

The water injection box cover 3 is also provided with a water drain cavity 39, and the water drain cavity 39 is provided with a water drain hole 391. The drain chamber 39 communicates the drain chamber 34 with the mixing chamber 33. The drain hole 391 is for discharging the liquid in the drain chamber 39 out of the water injection cap 3 and into the dispenser 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, whereby the liquid in the drain chamber 34 and the mixing chamber 33 can be naturally flown into the drain chamber 39 and discharged through the drain hole 391. Preferably, the drain hole 391 is disposed at the edge of the drain cavity 39, and the bottom surface of the drain cavity 39 is an inclined surface, and the drain hole 391 is located at the lowest point of the inclined surface, so as to facilitate rapid draining of the liquid in the drain cavity 39.

The drain hole 391 communicates with the dispenser box 4; the liquid in the drainage chamber 39 is caused to flow under gravity into the distributor box 4. Through this water drain 391 can make in the water injection lid 3 raffinate intermittent dripping into distributor box 4 after the detergent is thrown in, promptly through water drain 391 can constantly be to distributor box 4 drainage, avoid the raffinate that is detained in the water injection lid 3 to follow external factors such as machine vibration or uncertain factors such as inside atmospheric pressure fluctuation flow water injection lid 3, influence user experience.

A water retaining structure 13 is arranged in the water discharging cavity 39; the water discharge chamber 39 is connected to the water intake channel 11 and the water discharge channel 12. The drain chamber 39 communicates with the mixing chamber 33 through the water intake waterway 11, and the drain chamber 39 communicates with the drain chamber 34 through the drain waterway 12.

The connection port of the water inlet waterway 11 and the water discharge cavity 39 is opposite to the water retaining structure 13; the water retaining structure 13 is used for slowing down the flow rate of the liquid entering the water discharging cavity 39 from the water inlet waterway 11, so that the flow rate of the liquid is stable, and the liquid is conveniently and uniformly discharged. The water retaining structure 13 is a convex rib arranged in the water discharging cavity 39, is a plate-shaped structure and has a curved surface; the curved surface faces the connection port between the water intake passage 11 and the drain chamber 39. The liquid entering the water discharging cavity 39 from the water inlet waterway 11 can form vortex, the liquid is prevented from being directly discharged to the water discharging waterway through the water discharging cavity 39, the flow speed can be reduced, and the stability is improved.

The drain hole 391 is provided between the connection port position of the water intake passage 11 and the drain chamber 39 and the position of the curved surface. The connection port of the drain water path 12 and the drain chamber 39 is located on the side facing away from the curved surface. The flow rate of the liquid in the water discharge path 12 can be stabilized. Preferably, the water inlet waterway 11 is bent, so that the flow rate of the liquid can be further reduced, and the flow rate is stable.

According to the invention, the water leakage cavity is arranged between the water inlet waterway and the water outlet waterway, so that water leakage can be completed before liquid enters the liquid discharge cavity, and the pressure can be regulated; the pressure regulation in the liquid discharge cavity is avoided, and a more stable liquid discharge effect can be obtained; after the detergent is put in, the residual liquid can be continuously discharged to the distributor box through the water discharge hole, and the residual liquid is discharged; the phenomenon that residual liquid retained in the water injection box cover flows out of the water injection box cover along with external factors such as machine vibration or uncertain factors such as internal air pressure fluctuation is avoided, and the residual liquid flows out to influence user experience.

The automatic throwing component further comprises a temperature detection module and a control module;

the temperature detection module is used for detecting the temperature of hot water entering the water injection box cover 3 from the hot water inlet pipe 21 and the temperature of liquid in the water injection box cover 3;

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

Preferably, the temperature detection module comprises a hot water valve temperature sensor arranged on the hot water inlet pipe 21 and an automatic feeding temperature sensor arranged on the water storage tank upper cover 3.

The dispenser box 4 is arranged in the water storage tank 1 through a drawing device, and the dispenser box 4 can be drawn out to manually add the detergent, the softener, the washing powder and the like. Preferably, the drawing device can select pulley, guide rail and other structures, so that the distributor box 4 can be conveniently drawn out and pushed back to the water storage tank 1.

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

When the dispenser box 4 is drawn out, the locking structure 41 is disconnected from the water storage tank 1, and at this time, detergent, softener, washing powder and the like can be added to the dispenser box 4. When the addition is completed, the dispenser box 4 may be pushed back into the reservoir 1. After the distributor box 4 is pushed back, the buckling structure 41 is buckled and connected with the water storage tank 1, so that the distributor box 4 is locked, the connection is stable, and the detergent is convenient to put in and draw out.

Preferably, the plurality of fastening structures 41 are disposed at two ends and a middle part of the front end of the dispenser box 4, so as to further enhance the connection stability of the fastening structures 41, and the plurality of fastening structures 41 are disposed in a vertically staggered manner. Specifically, the fastening structure 41 is an elastic latch structure disposed at the front end of the dispenser box 4, a slot matching with the elastic latch structure is disposed on the inner wall of the water storage tank 1, and the dispenser box 4 is fixed by the matching connection of the elastic latch structure and the slot.

The dispenser box 4 includes a dispenser box cover 42, and a detergent dispensing opening 421 and a dispenser box flip cover 422 are provided on the dispenser box cover 42. The dispenser box flip 422 is provided at the position of the detergent dispensing port 421, and the detergent dispensing port 421 can be used to dispense detergent into the dispenser box 4, and the dispenser box cover 42 is used to prevent dirt from entering the detergent dispensing port 421.

The adapter cover 42 and the dispenser box flip 422 are provided with a clamping structure by which the dispenser box flip 422 is clamped on the adapter cover 42 when the dispenser box flip 422 is closed, thereby blocking the detergent dispensing opening 421 and having a sealing effect.

Preferably, the gripping structure is a card disposed on the dispenser box flip 422 and a card slot disposed on the adapter box cover 42 that mates with the card.

The dispenser box flip 422 may take different configurations and be disposed on the dispenser box cover 42 in different ways, as will be described in more detail below with respect to specific embodiments;

embodiment one:

the dispenser box cover 42 has a groove structure in which the detergent dispensing port 421 is located; the detergent dispensing port 421 extends downward and the opening is gradually reduced.

The dispenser box flip 422 is provided at the position of the detergent dispensing port 421 on the dispenser box cover 42 by a rotating structure. Allowing the dispenser box flip 422 to be rotated open and closed.

The rotating structure comprises a rotating shaft hole site or a rotating shaft arranged on the baffle 4221, and a distributor box cover 42 is provided with a rotating shaft or a rotating shaft hole site matched with the rotating shaft hole site or the rotating shaft; the dispenser box flip 422 is rotatably connected to the dispenser box cover 42 such that the dispenser box flip 422 is rotatably opened and closed; or the rotating structure is a rotating shaft positioning structure arranged on the distributor box cover 42 and a rotating shaft arranged on the distributor box flip 422, and the distributor box flip 422 is opened and closed in a rotating mode through the rotating connection of the rotating shaft positioning structure and the rotating shaft.

The edge of the cover 422 is provided with a blocking plate 4211, and the structure of the groove on the cover 42 is matched with the blocking plate 4211, so that when the cover 422 is closed, the blocking plate 4211 is embedded into the structure of the groove on the cover 42, thereby achieving a better sealing effect.

Preferably, a spindle or spindle hole site matching the spindle hole site or spindle on the shroud 4221 is provided on the side of the slot structure of the distributor cap 42; thereby positioning the dispenser box flip 422 on the dispenser box cover 42.

Embodiment two:

the dispenser box cover 42 has a groove structure in which the detergent dispensing port 421 is located; the detergent dispensing port 421 extends downward and the opening is gradually reduced.

The dispenser box flip 422 is provided at the position of the detergent dispensing port 421 on the dispenser box cover 42 by a rotating structure. Allowing the dispenser box flip 422 to be rotated open and closed.

The rotary structure comprises a rotary shaft hole site or a rotary shaft arranged on the flip 422 of the distributor box, and a rotary shaft or a rotary shaft hole site matched with the rotary shaft hole site or the rotary shaft is arranged on the distributor box cover 42; the dispenser box flip 422 is rotatably connected to the dispenser box cover 42 such that the dispenser box flip 422 is rotatably opened and closed; or the rotating structure is a rotating shaft positioning structure arranged on the distributor box cover 42 and a rotating shaft arranged on the distributor box flip 422, and the distributor box flip 422 is opened and closed in a rotating mode through the rotating connection of the rotating shaft positioning structure and the rotating shaft.

Preferably, the bottom surface of the groove structure of the distributor box cover 42 is provided with a rotating shaft hole site or a rotating shaft hole site matched with the rotating shaft hole site or the rotating shaft hole site on the turnover cover 422 of the distributor box; thereby positioning the dispenser box flip 422 on the dispenser box cover 42.

Preferably, in order to further enhance the sealing effect, a sealing ring 4222 is disposed on the flip cover 422 of the dispenser box, and when the flip cover 422 of the dispenser box is closed, the sealing ring 4222 seals the detergent dispensing opening 421 on the dispenser box cover 42, so as to seal the detergent dispensing opening 421.

Preferably, the seal 4222 is in a ring-shaped structure, and the seal 4222 is inserted into the detergent dispensing port 421 when the dispenser box folder 422 is closed.

The automatic throwing component comprises an electric pump 6, and stable negative pressure is provided by the electric pump 6, so that the function of automatically sucking the detergent is realized. Considering that the liquid output of the Venturi pump is unstable, the invention provides stable negative pressure through the electric pump 6 and automatically sucks the detergent.

In order to improve the module universality of the automatic feeding assembly, the electric pump 6 is connected in a plug-in terminal mode. In order to improve the fire-proof level, a fire-proof component 5 is arranged on the outer side of the plug-in terminal; the fireproof component 5 not only can realize the fireproof function and isolate the plug-in terminal from surrounding plastic structures, but also can realize the subsequent plug-in of the terminal, and is easy to complete assembly; the electric pump 6 and the upper side of the terminal have a sufficient fire-proof distance, and the fire-proof level can be raised around the terminal by means of the fire-proof member 5.

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

The fireproof component 5 is in a rectangular frame shape, and a fireproof cavity 51 with a baffle and fireproof effect is formed; the plug-in terminal of the electric pump 6 is positioned in the fireproof cavity 51, so that the plug-in terminal can be isolated, and fire disaster caused by overheat is avoided.

The upper and lower parts of the fireproof member 5 have openings; the air can circulate, so that heat is dissipated as soon as possible, overheating is effectively avoided, and the heat dissipation effect is achieved.

Is made of fireproof and fireproof materials, the top of the fireproof component 5 is outwards bent to form an upper connecting sheet 52, and the bottom is provided with a lower connecting sheet 53. The upper connecting piece 52 is horizontally arranged, the lower connecting piece 53 is vertically arranged, the upper connecting piece and the lower connecting piece are mutually vertical, and the fireproof component 5 is fixed in the horizontal direction and the vertical direction respectively, so that the fireproof component has better stability.

The upper connecting piece 52 is provided with an upper connecting hole 521, the lower connecting piece 53 is provided with a lower connecting hole 531, and the fireproof component 5 can be fixedly connected through the upper connecting hole 521 and the lower connecting hole 531 by matching bolts, screws and the like, so that the structure is simple, and the fixing is reliable.

The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.

Claims (10)

1. A water injection lid, its characterized in that:

the water injection box cover is provided with a water leakage cavity,

the water discharge cavity is arranged between a water inlet waterway of the water injection box cover and the liquid discharge cavity; the water inlet firstly enters the water drainage cavity from the water inlet waterway, and then enters the liquid drainage cavity from the water drainage cavity;

and a water discharge hole for discharging residual liquid and releasing pressure is arranged in the water discharge cavity.

2. The lid of claim 1, wherein the drainage chamber communicates with the drainage chamber via a drainage waterway.

3. A water injection cap according to claim 2, wherein,

a water retaining structure is arranged in the water discharging cavity;

the connection port of the water inlet waterway and the water discharging cavity is opposite to the water retaining structure;

the water retaining structure is used for slowing down the flow rate of liquid entering the drainage cavity from the water inlet waterway.

4. A lid as claimed in claim 3, wherein the water blocking structure has a curved surface;

the curved surface faces to a connecting port of the water inlet waterway and the water discharge cavity.

5. The water injection box cover according to claim 4, wherein the water discharge hole is arranged between a connecting port position of the water inlet channel and the water discharge cavity and a position of the curved surface.

6. The lid of claim 4, wherein the connection port between the drain water path and the drain chamber is located on a side facing away from the curved surface.

7. The lid of claim 2, wherein the water inlet channel is curved.

8. The water injection box cover according to claims 1-7, wherein the water drainage cavity and the water inlet route are surrounded by convex ribs arranged on the water injection box cover.

9. An automatic delivery assembly, comprising a water injection cap according to any one of claims 1-8, a temperature detection module and a control module;

the temperature detection module is used for detecting the temperature of hot water entering the water injection box cover from the hot water inlet pipe and the temperature of liquid in the water injection box cover;

and the control module is used for controlling the liquid in the water injection box cover to be discharged at a specified temperature according to the detection result of the detection module.

10. A laundry treatment apparatus comprising a water injection lid according to any one of claims 1 to 8.