CN219951481U - Liquid outlet device and washing equipment - Google Patents

Abstract

The utility model discloses a liquid outlet device and washing equipment. The liquid outlet device is applied to a washing liquid box and comprises a liquid suction mechanism; the liquid outlet mechanism is rotationally connected with the output end of the liquid suction mechanism; the liquid outlet is arranged on the liquid outlet mechanism, and the liquid outlet follows the liquid outlet mechanism to rotate along the axis of the liquid outlet mechanism. According to the utility model, the liquid suction mechanism is driven to convey the liquid of the washing liquid box to the liquid outlet by pressing the liquid outlet mechanism, when any liquid outlet is blocked, the liquid outlet mechanism can be driven to rotate along the axis of the liquid outlet mechanism by rotating the liquid outlet mechanism, so that the unblocked liquid outlet is rotated to a corresponding position, and the liquid conveyed by the liquid suction mechanism is output.

Description

Liquid outlet device and washing equipment

Technical Field

The utility model relates to the technical field of washing equipment, in particular to a liquid outlet device and washing equipment.

Background

In the related art, washing apparatuses such as washing machines and dish washers are commonly provided with a detergent box for loading detergent. The detergent box comprises a manual throwing type and an automatic throwing type, wherein the manual throwing type detergent box needs to be added with a detergent when a user performs clothes cleaning every time, the adding amount of the detergent is completely dependent on the user, and the detergent box is quite inconvenient; the existing automatic throwing type detergent box is characterized in that the washing liquid is stored in the box in advance, and when clothes are cleaned each time, a liquid outlet device arranged on the detergent box can automatically convey a proper amount of the washing liquid into a washing cavity; however, the existing liquid outlet device of the automatic throwing type detergent box is often only provided with a liquid outlet, the detergent remained on the liquid outlet can be gradually coagulated into blocks along with time change, and then the liquid outlet is blocked, so that the liquid outlet device cannot output the washing liquid in the detergent box, especially washing equipment with low use frequency is extremely easy to cause the type of faults, the whole device needs to be detached during maintenance, the blocked position is dredged, and the maintenance cost is high.

Disclosure of Invention

In order to overcome at least one of the defects in the prior art, the utility model provides a liquid outlet device, wherein a liquid outlet is replaced by rotating a liquid outlet mechanism, so that the problem that the liquid outlet is blocked by detergent condensation blocks is solved.

The liquid outlet device is applied to a washing liquid box and comprises: a liquid suction mechanism; the liquid outlet mechanism is rotationally connected with the output end of the liquid suction mechanism; the liquid outlet is arranged on the liquid outlet mechanism, and the liquid outlet follows the liquid outlet mechanism to rotate along the axis of the liquid outlet mechanism.

In this liquid device, order about liquid mechanism and carry the liquid in the washing liquid box to the liquid outlet through pressing out liquid mechanism, when the jam appears in arbitrary liquid outlet, accessible rotates liquid mechanism, orders about the liquid outlet and follows liquid mechanism and rotate along its axis for unblocked liquid outlet rotates to corresponding position, and exports the liquid that liquid mechanism carried, thereby solves the liquid outlet and is condensed the problem of blockking up by the detergent.

According to some embodiments of the utility model, the liquid outlet mechanism comprises a liquid outlet head, the liquid outlet is arranged on the liquid outlet head, and the liquid outlet head is rotationally connected with the output end of the liquid suction mechanism.

According to some embodiments of the utility model, the liquid outlet is formed on the liquid outlet head along the circumferential direction.

According to some embodiments of the utility model, the cleaning device further comprises a cleaning mechanism, wherein the cleaning mechanism comprises a cleaning nozzle, and an output end of the cleaning nozzle is arranged corresponding to the liquid outlet and is used for cleaning the liquid outlet.

In the liquid outlet device, when the liquid outlet is blocked, the liquid outlet can be washed through the washing spray head, and the liquid outlet mechanism rotates under the action of water pressure, so that the liquid outlet is driven to rotate, the blocked liquid outlet is removed, the unblocked liquid outlet rotates to a corresponding position, and the liquid outlet device can continuously output washing liquid at the corresponding position through the unblocked liquid outlet; further, after the liquid outlet device outputs the washing liquid every time, the accessible washs the shower nozzle and washes the liquid outlet, avoids the washing liquid to remain in the liquid outlet, and liquid outlet mechanism drives the liquid outlet under the hydraulic effect simultaneously and rotates, changes to another liquid outlet and outputs the washing liquid, avoids using same liquid outlet for a long time, reduces the fault probability, improves life.

According to some embodiments of the utility model, the liquid absorbing mechanism comprises a liquid absorbing piece and a screw cover connected to the liquid absorbing piece, wherein the output end of the liquid absorbing piece is rotatably connected with the liquid outlet mechanism, and the screw cover is used for sealing a washing liquid box assembled with the liquid absorbing piece.

According to some embodiments of the utility model, the input end of the liquid sucking piece is provided with a liquid sucking pipe extending downwards, and the output end of the liquid sucking pipe is connected with the liquid outlet through the liquid sucking piece.

In this liquid discharging device, the liquid suction pipe extends to the washing liquid box bottom direction for the liquid suction piece is as far as possible with the washing liquid suction in the washing liquid box, reduces the residual volume of the washing liquid in the washing liquid box, lightens the washing burden of user to the washing liquid box.

According to some embodiments of the utility model, the pipette is provided with a positioning block for limiting the extending direction of the pipette.

According to some embodiments of the utility model, a nozzle of one side of the liquid suction pipe away from the liquid suction piece is provided with a plurality of protrusions, and a gap exists between any two adjacent protrusions.

In this liquid device, prop up the mouth of pipe through protruding for the mouth of pipe keeps certain interval with the bottom of washing liquid box, avoids the mouth of pipe laminating on the bottom of washing liquid box, leads to the unable normal suction washing liquid of liquid suction piece, and has the clearance between the adjacent arch, makes the washing liquid can get into in the liquid suction piece through this interval.

According to some embodiments of the utility model, a filter screen is disposed in a nozzle of the pipette on a side remote from the pipette.

In this liquid outlet device, through the filter screen in the pipette, filter the particulate matter in the washing liquid, avoid the particulate matter to get into in the liquid suction piece, preferably, the filter screen sets up in the one side mouth of pipe that the liquid suction piece was kept away from to the pipette, further avoids the particulate matter to get into in the pipette, causes the problem that the pipette blockked up.

Based on the same inventive concept, the utility model also provides washing equipment which comprises a washing liquid box, wherein the washing liquid box is connected with the liquid outlet device.

In summary, the liquid outlet device provided by the utility model has the following technical effects:

1) When any liquid outlet is blocked, the liquid outlet can be driven to rotate along the axis of the liquid outlet mechanism by rotating the liquid outlet mechanism, so that the unblocked liquid outlet can rotate to a corresponding position and the liquid conveyed by the liquid suction mechanism is output, and the problem that the liquid outlet is blocked by detergent condensing blocks is solved;

2) The blocked liquid outlet is washed through the washing spray head, and the liquid outlet mechanism rotates under the action of water pressure, so that the liquid outlet is driven to rotate, the blocked liquid outlet is removed, the unblocked liquid outlet rotates to a corresponding position, and the liquid outlet device can continuously output washing liquid at the corresponding position through the unblocked liquid outlet;

3) The liquid suction pipe extends downwards, so that the liquid suction piece sucks out the washing liquid in the washing liquid box as much as possible, the residual quantity of the washing liquid in the washing liquid box is reduced, and the washing burden of a user on the washing liquid box is reduced;

4) Through the arrangement of the positioning fixture blocks, the extending direction of the liquid suction pipe is limited, so that the liquid suction pipe extends towards the bottom direction of the washing liquid box, the liquid suction piece sucks the washing liquid in the washing liquid box as much as possible, the residue is avoided, and the washing burden of a user on the washing liquid box is reduced;

5) The pipe orifice is supported by the bulges at the pipe orifice, so that a certain distance is kept between the pipe orifice and the bottom of the washing liquid box, the phenomenon that the washing liquid cannot be sucked out normally by the liquid suction piece due to the fact that the pipe orifice is attached to the bottom of the washing liquid box is avoided, gaps exist between the adjacent bulges, and the washing liquid can enter the liquid suction piece through the distance;

6) Particulate matters in the washing liquid are filtered through a filter screen in the liquid suction pipe, the particulate matters are prevented from entering the liquid suction piece, and preferably, the filter screen is arranged in a pipe orifice on one side of the liquid suction pipe away from the liquid suction piece, so that the problem that the liquid suction pipe is blocked due to the particulate matters entering the liquid suction pipe is further avoided.

Drawings

FIG. 1 is an assembled schematic view of a liquid outlet device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a liquid outlet device according to an embodiment of the present utility model;

fig. 3 is a schematic view of the structure of a pipette (without screw cap) according to an embodiment of the present utility model.

Wherein the reference numerals have the following meanings:

1. a liquid suction mechanism; 11. a liquid absorbing member; 12. a screw cap; 13. a pipette; 14. positioning a clamping block; 15. a protrusion; 2. a liquid outlet mechanism; 21. a liquid outlet head; 3. a liquid outlet; 4. a cleaning mechanism.

Detailed Description

For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1, 2 and 3, the utility model discloses a liquid outlet device. The liquid outlet device comprises a liquid suction mechanism 1, a liquid outlet mechanism 2 and at least two liquid outlets 3, in some embodiments, the liquid outlet mechanism 2 is rotationally connected with the output end of the liquid suction mechanism 1, further, at least two liquid outlets 3 are formed in the liquid outlet mechanism 2, the liquid outlets 3 are communicated with the output end of the liquid suction mechanism 1, the liquid outlets 3 follow the liquid outlet mechanism 2 to rotate along the axis of the liquid outlet mechanism, in some embodiments, the liquid suction mechanism 1 is driven to convey liquid in a washing liquid box to the liquid outlets 3 by pressing the liquid outlet mechanism 2, when any liquid outlet 3 is blocked, the liquid outlet mechanism 2 can be rotated to drive the liquid outlets 3 to rotate along the axis of the liquid outlet mechanism 2, so that the unblocked liquid outlets 3 can be rotated to corresponding positions, and liquid conveyed by the liquid suction mechanism 1 can be output, and the problem that the liquid outlets 3 are blocked by detergent condensation blocks is solved.

In some embodiments, referring to fig. 2 and 3, the liquid outlet mechanism 2 includes a liquid outlet head 21, the liquid outlet 3 is disposed on the liquid outlet head 21, and the liquid outlet head 21 is rotationally connected with the output end of the liquid suction mechanism 1. Preferably, the liquid outlet head 21 is in a columnar configuration, including but not limited to a columnar shape and a prismatic shape, preferably, the liquid outlet head 21 is in a hollow structure, the liquid outlet 3 is disposed on a side surface of the liquid outlet head 21, a bottom surface of one side of the liquid outlet head 21 is rotationally connected with an output end of the liquid suction mechanism 1, preferably, the liquid outlet head 21 and the liquid suction mechanism 1 are on the same axis, that is, the liquid outlet 3 is changed by rotating the liquid outlet head 21.

In some embodiments, the liquid outlet 3 is opened on the liquid outlet head 21 along the circumferential direction. Preferably, the liquid outlet 3 is provided with a side surface of the liquid outlet head 21 along the circumferential direction, and further, the liquid outlets 3 are distributed at equal intervals. Preferably, the liquid outlets 3 may be arranged in an array, and each surface of the liquid outlet head 21 is arranged along the circumferential direction, so as to meet any degree of rotation of the liquid outlet head 21, and the replacement of the liquid outlets 3 can be realized.

In some embodiments, the cleaning mechanism 4 further comprises a cleaning nozzle, and an output end of the cleaning nozzle is arranged corresponding to the liquid outlet 3 and is used for cleaning the liquid outlet 3. When the water pressure output by the cleaning nozzle is large enough, the cleaning nozzle can drive the liquid outlet 3 to rotate along the axis of the liquid outlet mechanism 2. Specifically, when the liquid outlet 3 is blocked, the liquid outlet 3 can be washed through the cleaning spray head, and the liquid outlet mechanism 2 rotates under the action of water pressure, so that the liquid outlet 3 is driven to rotate, the blocked liquid outlet 3 is removed, the unblocked liquid outlet 3 rotates to a corresponding position, and the liquid outlet device can continuously output washing liquid at the corresponding position through the unblocked liquid outlet 3;

in some embodiments, after the liquid outlet device outputs the washing liquid every time, the accessible washs the shower nozzle and washes liquid outlet 3, avoids the washing liquid to remain in liquid outlet 3, and liquid outlet mechanism 2 drives liquid outlet 3 rotation under the hydraulic effect simultaneously, changes to another liquid outlet 3 and outputs the washing liquid, avoids using same liquid outlet 3 for a long time, reduces the fault probability, improves life.

In some embodiments, the liquid absorbing mechanism 1 comprises a liquid absorbing piece 11 and a screw cover 12 connected to the liquid absorbing piece 11, an output end of the liquid absorbing piece 11 is rotatably connected with the liquid outlet head 21, the screw cover 12 is used for sealing a washing liquid box assembled with the liquid absorbing piece 11, specifically, an input end of the liquid absorbing piece 11 extends into an opening of the washing liquid box, and the liquid absorbing piece 11 is in sealing connection with the opening of the washing liquid box through the screw cover 12. Preferably, the opening of the washing liquid box and the screw cover 12 are correspondingly provided with threads, the screw cover 12 is connected with the opening of the washing liquid box through threads, or the opening of the washing liquid box and the screw cover 12 are correspondingly provided with matched clamping pieces, and the screw cover 12 is connected with the opening of the washing liquid box through the clamping pieces; further, a sealing ring can be arranged between the screw cover 12 and the opening of the washing liquid box, so as to improve the sealing effect.

In some embodiments, the screw cap 12 may be made of a rubber material, and the screw cap 12 is in interference fit with the opening of the washing liquid box to form a seal.

In some embodiments, referring to fig. 1, the liquid absorbing member 11 is assembled on the opening of the washing liquid box through the screw cap 12, and the input end of the liquid absorbing member 11 passes through the opening of the washing liquid box and extends into the washing liquid box; when the liquid suction piece 11 is pressed by the liquid outlet head 21 for the first time, the gas in the inner cavity of the liquid suction piece 11 is extruded, then the pressing of the liquid outlet head 21 is stopped, the liquid outlet head 21 is reset under the action of an elastic element (such as a spring and the like) in the liquid suction piece, so that negative pressure is formed in the inner cavity of the liquid suction piece 11, the washing liquid in the washing liquid box is sucked into the liquid suction piece 11, and when the liquid suction piece 11 is pressed by the liquid outlet head 21 again, the washing liquid in the liquid suction piece 11 is extruded, meanwhile, negative pressure is formed in the liquid suction piece 11, and the washing liquid in the washing liquid box is sucked into the liquid suction piece 11, so that circulation is realized.

In some embodiments, a one-way valve may be disposed inside the liquid absorbing member 11, an elastic element (such as a spring) is disposed on a side of the one-way valve near the liquid outlet head 21, when the liquid absorbing member 11 is pressed by the liquid outlet head 21, the one-way valve is in an open state, and the washing liquid in the washing liquid box can flow out from the liquid outlet of the liquid outlet head 21 through the one-way valve, after the liquid outlet head 21 is stopped to be pressed, the liquid outlet head 21 is reset under the action of the elastic element inside the liquid absorbing member, and the one-way valve is in a closed state.

In some embodiments, referring to fig. 1, 2 and 3, the input end of the liquid sucking member 11 is provided with a liquid sucking pipe 13 extending downwards, and the output end of the liquid sucking pipe 13 is connected with the liquid outlet 3 through the liquid sucking member 11. Specifically, the liquid suction pipe 13 may be an independent component or the liquid suction pipe 13 and the housing of the liquid suction member 11 are integrally formed, preferably, the liquid suction pipe 13 extends towards the bottom of the washing liquid box, so that the liquid suction member 11 sucks the washing liquid in the washing liquid box as much as possible, the residual amount of the washing liquid in the washing liquid box is reduced, and the washing burden of a user on the washing liquid box is reduced. Further, when the liquid suction pipe 13 is an independent component, the liquid suction pipe 13 is preferably a hose, and when the opening of the washing liquid box is arranged on the side surface of the washing liquid box and the liquid suction piece 11 is assembled on the side surface of the washing liquid box along the horizontal direction, the hose naturally bends downwards to be abutted to the bottom of the washing liquid box under the action of the gravity of the hose, so that the liquid suction piece 11 sucks the washing liquid in the washing liquid box as much as possible, and the residual amount of the washing liquid in the washing liquid box is reduced. Further, the pipette 13 and the shell of the pipette 11 are integrally formed, so that the pipette 13 can be ensured to work stably, and the influence of the outside on the pipette 13 is reduced.

In some embodiments, referring to fig. 3, the liquid absorbing member 11 is provided with a positioning block 14 corresponding to the positioning block, and preferably, the opening of the washing liquid box is provided with a positioning block, and the positioning block is in snap connection with the positioning block 14. Specifically, when the liquid absorbing piece 11 is assembled on the washing liquid box, the positioning clamping groove is in clamping connection with the positioning clamping block 14, the installation position and the posture of the liquid absorbing piece 11 are limited, the extending direction of the liquid absorbing pipe 13 is limited, and the liquid absorbing pipe 13 is enabled to extend downwards in the bottom direction of the washing liquid box; in some embodiments, the liquid suction pipe 13 and the shell of the liquid suction piece 11 are integrally formed, the liquid suction pipe 13 is bent to one side, the opening of the washing liquid box is arranged on the side surface of the washing liquid box, the liquid suction piece 11 is assembled on the side surface of the washing liquid box along the horizontal direction, and the installation position and the gesture of the liquid suction piece 11 are limited by the clamping connection of the positioning clamping groove and the positioning clamping block 14, so that the liquid suction pipe 13 is limited to keep extending towards the bottom direction of the washing liquid box below, namely, the liquid suction pipe 13 is bent towards the bottom direction of the washing liquid box, so that the liquid suction piece 11 sucks the washing liquid in the washing liquid box as much as possible, residues are avoided, and the cleaning load of a user on the washing liquid box is reduced. During assembly, the positioning clamping blocks 14 on the liquid absorbing piece 11 are firstly clamped in the corresponding positioning clamping grooves on the opening of the washing liquid box, and then are fixed through the screw cover 12; preferably, the opening of the washing liquid box extends outwards to form an external threaded interface, the screw cover 12 is provided with an internal threaded interface, the positioning clamping groove is formed in the external threaded interface, when the liquid suction piece 11 is assembled, the positioning clamping block 14 on the liquid suction piece 11 is clamped in the positioning clamping groove, then the screw cover 12 is screwed on the external threaded interface of the opening of the washing liquid box to form sealing connection, and the installation position and the gesture of the liquid suction piece 11 are limited, so that the liquid suction pipe 13 bends towards the bottom direction of the washing liquid box.

In some embodiments, referring to fig. 1 and 2, a nozzle of a side of the pipette 13 away from the pipette 11 is provided with a plurality of protrusions 15, and a gap exists between any two adjacent protrusions 15. The pipe orifice is supported by the bulges 15, so that a certain distance is kept between the pipe orifice and the bottom of the washing liquid box, the phenomenon that the pipe orifice is attached to the bottom of the washing liquid box, the washing liquid cannot be sucked out normally by the liquid suction piece 11 is avoided, and gaps exist between the adjacent bulges 15, so that the washing liquid can enter the liquid suction piece 11 through the distance.

In some embodiments, a filter screen is provided in the nozzle of the side of the pipette 13 remote from the pipette 11. Specifically, through the filter screen in the pipette 13, filter the particulate matter in the washing liquid, avoid particulate matter to get into in the pipette 11, preferably, the filter screen sets up in the one side mouth of pipe that the pipette 13 kept away from the pipette 11, further avoid particulate matter to get into in the pipette 13, cause the problem of pipette 13 jam.

In some embodiments, a filter screen is arranged in a pipe orifice at one side of the liquid suction pipe 13 far away from the liquid suction piece 11, a plurality of protrusions 15 are arranged at one side of the filter screen close to the bottom of the washing liquid box, the pipe orifice is supported by the protrusions 15, so that a certain distance is kept between the pipe orifice filled with the filter screen and the bottom of the washing liquid box, and the filter screen is used for carrying out first filtration on particles with larger volume in washing liquid and carrying out second filtration on particles with smaller volume through the filter screen at the pipe orifice, so that the filtering effect is improved.

In some embodiments, a filter screen is arranged in a pipe orifice on one side of the liquid suction pipe 13 far away from the liquid suction piece 11, a plurality of protrusions 15 are arranged at the edge of the pipe orifice, gaps exist between adjacent protrusions 15, the protrusions 15 support the pipe orifice, a certain distance is kept between the pipe orifice and the bottom of the washing liquid box, the gaps between the adjacent protrusions 15 and the distance between the pipe orifice and the washing liquid box are limited together, the first filtering is carried out on particles with larger volumes in the washing liquid, the second filtering is carried out on the particles with smaller volumes through the filter screen at the pipe orifice, and the filtering effect is improved.

In some embodiments, a washing apparatus comprises a washing liquid box to which a liquid outlet device as described above is connected.

In some embodiments, referring to fig. 1, 2 and 3, when the liquid outlet device is assembled, the positioning clamping block 14 on the liquid absorbing piece 11 is clamped in the positioning clamping groove at the opening of the washing liquid box, so as to limit the installation position and the posture of the liquid absorbing piece 11, thereby limiting the liquid absorbing pipe 13 to bend towards the bottom of the washing liquid box, and then the screw cap 12 is assembled on the opening of the washing liquid box to form a sealing connection. When the washing liquid is output, the liquid outlet head 21 is driven to press the liquid suction piece 11, so that the liquid suction piece 11 conveys the washing liquid in the washing liquid box to the liquid outlet head 21 and flows out through the liquid outlet 3, when the liquid outlet 3 is blocked, the liquid outlet 3 can be washed through the cleaning spray nozzle, the liquid outlet mechanism 2 rotates under the action of water pressure, so that the liquid outlet 3 is driven to rotate, the blocked liquid outlet 3 is removed, the unblocked liquid outlet 3 rotates to a corresponding position, and the liquid outlet device can continuously output the washing liquid at the corresponding position through the unblocked liquid outlet 3; further, after the liquid outlet device outputs the washing liquid every time, the accessible washs the shower nozzle and washes liquid outlet 3, avoids the washing liquid to remain in liquid outlet 3, and liquid outlet mechanism 2 drives liquid outlet 3 rotation under the hydraulic effect simultaneously, changes to another liquid outlet 3 and outputs the washing liquid, avoids using same liquid outlet 3 for a long time, reduces the fault probability, improves life.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. A liquid outlet device applied to a washing liquid box, which is characterized by comprising:

a liquid suction mechanism;

the liquid outlet mechanism is rotationally connected with the output end of the liquid suction mechanism;

the liquid outlet is arranged on the liquid outlet mechanism, and the liquid outlet follows the liquid outlet mechanism to rotate along the axis of the liquid outlet mechanism.

2. The tapping device according to claim 1, wherein: the liquid outlet mechanism comprises a liquid outlet head, the liquid outlet is arranged on the liquid outlet head, and the liquid outlet head is rotationally connected with the output end of the liquid suction mechanism.

3. The tapping device according to claim 2, wherein: the liquid outlet is arranged on the liquid outlet head along the circumferential direction.

4. A tapping device according to claim 3, wherein: still include wiper mechanism, wiper mechanism includes washs the shower nozzle, the output and the liquid outlet of wasing the shower nozzle correspond the setting for wash the liquid outlet.

5. The tapping device according to claim 1, wherein: the liquid suction mechanism comprises a liquid suction piece and a screw cover connected to the liquid suction piece, and the output end of the liquid suction piece is rotationally connected with the liquid outlet mechanism; the screw cover is used for sealing the washing liquid box assembled with the liquid suction piece.

6. The tapping device according to claim 5, wherein: the input end of the liquid suction piece is provided with a liquid suction pipe which extends downwards, and the output end of the liquid suction pipe is connected with the liquid outlet through the liquid suction piece.

7. The tapping device according to claim 6, wherein: the liquid suction piece is provided with a positioning clamping block which is used for limiting the extending direction of the liquid suction pipe.

8. The tapping device according to claim 6, wherein: the pipe orifice of one side of the liquid suction pipe far away from the liquid suction piece is provided with a plurality of bulges, and a gap exists between any two adjacent bulges.

9. The tapping device according to any one of claims 6-8, wherein: a filter screen is arranged in a pipe orifice of one side of the liquid suction pipe far away from the liquid suction piece.

10. A washing apparatus comprising a washing liquid box, wherein the washing liquid box is connected with a liquid outlet device according to any one of claims 1-9.