CN220250283U - Water leakage preventing structure and dehumidifier - Google Patents

Abstract

The utility model discloses a water leakage prevention structure and a dehumidifier, comprising: the water tank is provided with a water outlet, a leakage-proof plug is assembled at the water outlet, and a first permanent magnet is assembled at the leakage-proof plug; the water tank is provided with a second permanent magnet corresponding to the lower part of the first permanent magnet, and the first permanent magnet and the second permanent magnet are magnetically repelled; the water tank is arranged below the water receiving tank, and the leakage-proof plug is enabled to move upwards through the repulsive force of the first permanent magnet and the second permanent magnet to control the water outlet to be opened; the water tank leaves the water receiving tank below, and the repulsive force of the first permanent magnet and the second permanent magnet disappears to enable the leakage-proof plug to reset under the self weight to control the water outlet to be closed. When the dehumidifier needs to disassemble and clean the water tank, the repulsive force between the first permanent magnet and the second permanent magnet disappears after the water tank is pulled out, the leakage-proof plug is reset and moves downwards under the self gravity to enable the water outlet to be closed, the aim of effective leakage prevention can be achieved, the whole structure is simple, a complex mechanical structure or an electrical structure is not needed, and the product cost is reduced.

Description

Water leakage preventing structure and dehumidifier

Technical Field

The utility model relates to the technical field of dehumidifiers, in particular to a water leakage preventing structure and a dehumidifier.

Background

In the prior art, the dehumidifier produces water to the water pan through the evaporator, water flows to the water tank from the water outlet of the water pan, and in the use process, the cleaning water tank is required to be taken out or is taken out after the water is stopped, and due to the fact that condensed water on the evaporator still remains for a period of time, after the water tank is drawn out, partial condensed water possibly flows out of the machine body through the water outlet, bad experience is brought to a user, and negative effects are brought to a product.

In order to solve the problem, a leakage-proof structure similar to a valve is arranged at the water outlet in the prior art, so that the water outlet is closed by the leakage-proof structure after the water tank is taken out, and residual water is prevented from flowing out of the machine body. In the prior art, the water outlet is controlled to be closed by mechanical transmission, electronic control transmission and the like, for example, chinese patent numbers: 202123212531.1 discloses an automatic manger plate device and dehumidifier, include: the water draining device comprises a water draining part main body, a water draining baffle, a permanent magnet and an electromagnet, wherein the water draining part main body, the water draining baffle, the permanent magnet and the electromagnet are rotatably arranged in a water draining channel, the water baffle is provided with a first working position for closing the water draining channel and a second working position for opening the water draining channel, the electromagnet is electrified to apply magnetic force to the permanent magnet, and the permanent magnet applies force to the water baffle under the action of the magnetic force, so that the water baffle rotates from the second working position to the first working position; and the electromagnet is used for applying magnetic force to the permanent magnet when being electrified. In the prior art, a magnetic force is applied to a permanent magnet by electrifying an electromagnet so as to control the opening/closing of a drainage channel, and the prior art relates to the automatic water blocking device which needs to wire a circuit and needs to be electrified and driven.

In order to further achieve the purposes of simplifying the structure, reducing the production cost and controlling the automatic opening and closing of the water outlet, the applicant improves the prior art and proposes the following technical scheme.

Disclosure of Invention

In view of the above, the present utility model provides a water leakage preventing structure and a dehumidifier.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a water leakage preventing structure, comprising: the water tank is provided with a water outlet, a leakage-proof plug is assembled at the water outlet, and a first permanent magnet is assembled on the leakage-proof plug; the water tank is provided with a second permanent magnet corresponding to the lower part of the first permanent magnet, and the first permanent magnet and the second permanent magnet are magnetically repelled; the water tank is arranged below the water receiving tank, and the leakage-proof plug is enabled to move upwards through repulsive force of the first permanent magnet and the second permanent magnet to control the water outlet to be opened; the water tank leaves the water receiving tank below, and the repulsive force of the first permanent magnet and the second permanent magnet disappears to enable the leakage-proof plug to reset under the self gravity to control the water outlet to be closed.

Through the technology, the water tank is arranged below the water receiving tank, the positions of the first permanent magnet and the second permanent magnet can be up and down corresponding, no additional correction position is needed, after the water tank is arranged, the leakage-proof plug moves upwards under the repulsive force of the first permanent magnet and the second permanent magnet, so that the water outlet is opened, and when the dehumidifier operates, water dropped in the water receiving tank can be discharged into the water tank from the water outlet to be collected; and in the operation process or after the operation is finished, when the water tank needs to be disassembled and cleaned, the positions of the first permanent magnet and the second permanent magnet are not corresponding after the water tank is pulled out, the repulsive force between the first permanent magnet and the second permanent magnet is eliminated, the leakage-proof plug is reset and moves downwards under the self-gravity to enable the water outlet to be closed, the purpose of effective leakage prevention can be achieved, the whole structure is simple, a complex mechanical structure or an electrical structure is not needed, and the product cost is reduced to a certain extent.

As a preferable scheme of the utility model, a water draining sleeve is arranged in the water receiving tank, the water draining sleeve forms the water draining outlet, and the leakage preventing plug is assembled in the water draining sleeve; when the water outlet is in a closed state, the outer wall of the leakage-proof plug is in conical surface contact with the inner wall of the water drain sleeve; when the water outlet is in an open state, a water inlet gap is formed between the outer wall of the leakage-proof plug and the inner wall of the water drain sleeve; in the above-mentioned technique, the drain cover provides the position that the leak protection stopper was installed, makes the leak protection stopper can stably install, because leak protection stopper outer wall is the conical surface contact with the drain cover inner wall, forms the water gap after the leak protection stopper moves, and rivers flow into the outlet from the water gap, flow into the water tank at last, and the leak protection stopper moves down the back, and the leak protection stopper is more and more closely blockked up in the outlet under the cooperation of conical surface, reaches the effect of effective shutoff outlet.

As a preferable scheme of the utility model, the peripheral side of the drain sleeve and the peripheral side of the leakage-proof plug are correspondingly provided with a guide groove and a convex rib which guide the leakage-proof plug to move up and down in the drain sleeve due to repulsive force or self-gravity between the first permanent magnet and the second permanent magnet; the convex ribs are clamped into the guide grooves and move along the guide grooves, so that a path for the up-and-down movement of the leak-proof plug is planned, the leak-proof plug is prevented from rotating in the drain sleeve, and the up-and-down movement of the leak-proof plug is smoother.

As a preferable scheme of the utility model, the bottom of the leakage-proof plug is provided with a first installation position, a fool-proof structure is formed at the first installation position, and the first permanent magnet is assembled in the first installation position at a correct angle;

a second installation position is arranged at the water tank, a fool-proof structure is formed at the second installation position, and a second permanent magnet is assembled in the second installation position at a correct angle; the first permanent magnet and the second permanent magnet are provided with fixed installation positions, can be aligned up and down accurately, and enable the leakage-proof plug to move up through repulsive force, and the fool-proof structure can prevent the first permanent magnet and the second permanent magnet from being reversely installed.

As a preferred aspect of the present utility model, the water tank includes: the box body and the box cover are combined at the top of the box body and positioned below the water receiving groove; the second installation position is arranged at the box cover, and a water inlet hole is arranged beside the second installation position; the second installation position and the water inlet hole are arranged in the inner sinking position of the box cover; the split type structure of box and case lid is convenient to clear up the box is inside, and the water that flows from the outlet falls into in sinking the position and drainage to the inlet opening, prevents that rivers from flowing everywhere in case lid department.

As a preferable scheme of the utility model, the box cover or the second installation position is provided with the diversion trench/diversion rib for guiding water to flow towards the water inlet, and the diversion trench/diversion rib can be integrally formed with the box cover, so that the structure is simpler.

As a preferable scheme of the utility model, the blocking part is arranged above the corresponding drainage sleeve, and limits the upward moving height of the leakage-proof plug, so that the leakage-proof plug can be prevented from being moved upwards to be separated from the drainage sleeve due to overlarge repulsive force between the first permanent magnet and the second permanent magnet, and the leakage-proof effect is further ensured.

As a preferable scheme of the utility model, the leakage-proof plug is integrally formed by silica gel or rubber material, and the silica gel or rubber material has certain flexibility and good sealing effect.

The second aspect of the utility model discloses a dehumidifier which is provided with a dehumidifier body, wherein the dehumidifier body is provided with an evaporation condenser assembly, a side volute and the water leakage prevention structure, and the dehumidifier adopting the water leakage prevention structure can effectively prevent water remained in a water receiving tank or water remained from the evaporation condenser assembly from flowing out of the dehumidifier body when a water tank is pulled out for cleaning, so that bad experience is brought to a user.

The other beneficial technical effects of the utility model are embodied in the specific embodiments.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of a water tank and a water receiving tank according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a water tank and a water receiving tank according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic cross-sectional view of a water tank and a water receiving tank according to an embodiment of the present utility model;

fig. 5 is an enlarged view at B in fig. 4.

Reference numerals illustrate:

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

The water leakage preventing structure is applied to household appliances such as a dehumidifier, realizes that the water outlet 101 of the water receiving tank 100 is opened when the water tank 200 is installed in the dehumidifier through the repulsive force between the first permanent magnet 301 and the second permanent magnet 201, and water can flow into the water tank 200 through the water outlet 101 and the water inlet hole, and the water outlet 101 of the water receiving tank 100 is closed when the water tank 200 leaves the dehumidifier, so that the water in the water receiving tank 100 is prevented from flowing out of the machine body, and the structure is simple and reliable.

Referring to fig. 1-5, a water leakage preventing structure includes: the water receiving tank 100 and the water tank 200, the water receiving tank 100 is provided with a water outlet 101, a leakage-proof plug 300 is assembled at the water outlet 101, and the leakage-proof plug 300 is assembled with a first permanent magnet 301; the water tank 200 is provided with a second permanent magnet 201 corresponding to the lower part of the first permanent magnet 301, and the first permanent magnet 301 and the second permanent magnet 201 are magnetically repelled; the water tank 200 is installed below the water receiving tank 100, and the leakage-proof plug 300 is moved upwards by the repulsive force of the first permanent magnet 301 and the second permanent magnet 201 to control the opening of the water outlet 101; the water tank 200 leaves the lower part of the water receiving tank 100, the repulsive force of the first permanent magnet 301 and the second permanent magnet 201 disappears, so that the leakage-proof plug 300 is reset under the self weight to control the water outlet 101 to be closed.

Specifically, a housing member is formed with a tank body with an opening facing upward to form the water receiving tank 100, and the specific shape of the water receiving tank 100 is not limited. When the water leakage preventing structure is applied to a dehumidifier, the water receiving tank 100 is used for receiving water generated when the evaporation condenser assembly is operated, and water drops fall on the water receiving tank 100 and then flow into the water tank 200 in various manners, wherein one of the water drops flows into the water tank 200 through the water outlet 101.

The water outlet 101 is arranged on the water tank surface of the water receiving tank 100, the height of the water outlet 101 on the water tank surface of the water receiving tank 100 is designed according to the requirement, and when the water level in the water receiving tank 100 is higher than the height of the water outlet 101, the water can be discharged from the water outlet 101; such as: the water outlet 101 is parallel to the water tank surface, and water generated when the evaporation condenser assembly operates falls into the water receiving tank 100 and can be discharged through the water outlet 101, for example: the water outlet 101 is slightly higher than the water tank surface, and the height of the water outlet 101 higher than the water tank surface is set to be h, so that water generated during the operation of the evaporation condenser assembly falls into the water receiving tank 100, and when the water level in the water receiving tank 100 is higher than the height h, the water can be discharged from the water outlet 101.

The specific shapes of the first permanent magnet 301 and the second permanent magnet 201 are not limited, and the first permanent magnet 301 and the second permanent magnet 201 are magnetically repulsive after being mounted. The leakage preventing plug 300 is installed at the drain port 101, and under the repulsive force of the first permanent magnet 301 and the second permanent magnet 201, the repulsive force is greater than the gravity of the leakage preventing plug 300, and the leakage preventing plug 300 moves upwards to open the drain port 101; after the water tank 200 is taken out, the second permanent magnet 201 is separated, and the repulsive force between the first permanent magnet 301 and the second permanent magnet 201 disappears, and the leakage preventing plug 300 moves down to close the drain port 101. In this way, the water receiving tank 100 can be prevented from flowing into the machine body after the water tank 200 is taken away, so that the machine body is difficult to clean or the machine body is damaged. The whole process of moving up or down and resetting the leakage prevention plug 300 can be realized by a simple magnetic repulsion principle without using a complex mechanical structure or an electrical structure, and the product structure is simplified.

In one embodiment, in order to stably assemble the leakage preventing plug 300 at the drain port 101, the drain sleeve 110 is disposed in the water receiving tank 100, the drain sleeve 110 forms the drain port 101, and the leakage preventing plug 300 is assembled in the drain sleeve 110; when the water outlet 101 is in a closed state, the outer wall of the leakage preventing plug 300 is in conical surface contact with the inner wall of the water outlet sleeve 110; when the water outlet 101 is in an opened state, a water inlet gap is formed between the outer wall of the leakage preventing plug 300 and the inner wall of the water discharging sleeve 110.

Specifically, as shown in fig. 1, the water drain sleeve 110 is integrally formed on the water receiving tank 100 and protrudes upward from the water receiving tank, the leakage preventing plug 300 is movably mounted at the water drain sleeve 110, the outer wall of the leakage preventing plug 300 is an arc-shaped peripheral wall, and the diameter of the leakage preventing plug is gradually reduced from top to bottom in the axial direction, and likewise, the inner wall of the water drain sleeve 110 is in arc-matching with the outer wall of the leakage preventing plug 300, when the leakage preventing plug 300 is inserted into the water drain 101 downwards, the outer wall of the leakage preventing plug 300 is in close fit with the inner wall of the water drain sleeve 110, and the leakage preventing effect is better.

As further shown in fig. 1, the water discharge port 101 is higher than the water tank surface due to the arrangement of the water discharge sleeve 110, and a notch is formed on the side wall of the water discharge sleeve 110, so that the water level can be discharged from the water discharge port 101 without being higher than the water discharge sleeve 110.

In one embodiment, the leakage preventing plug 300 is moved up and down at the drain cover 110 to open or close the drain port 101, and then, in order to make the leakage preventing plug 300 better move in the drain cover 110 and not rotate during the up and down movement, a guide groove and a rib for guiding the leakage preventing plug 300 to move up and down in the drain cover 110 due to repulsive force or self gravity between the first permanent magnet 301 and the second permanent magnet 201 are provided at the peripheral side of the drain cover 110 corresponding to the peripheral side of the leakage preventing plug 300.

Specifically, as shown in fig. 1, the guide groove 111 is formed on the side wall of the water drain sleeve 110, the guide groove 111 is vertically arranged, a convex rib 310 is radially protruding on the side wall of the leakage preventing plug 300, and the convex rib 310 is clamped into the guide groove 111 to guide the leakage preventing plug 300 to linearly move up and down.

The guide groove 111 may be a sidewall penetrating the water drain jacket 110, or may be a sidewall not penetrating the water drain jacket 110.

Alternatively, the positions of the guide groove and the convex rib can be exchanged, the convex rib is arranged on the inner wall of the drain sleeve 110, and the guide groove is arranged on the side wall of the leakage preventing plug 300.

In one embodiment, the first permanent magnet 301 may be mounted to the leakage preventing plug 300 in various manners, and the second permanent magnet 201 may be mounted to the water tank 200 in various manners.

Such as: the first permanent magnet 301 may be added to the bottom of the leakage preventing plug 300 or embedded in the leakage preventing plug 300, and the leakage preventing plug 300 may be made of permanent magnet directly; likewise, the second permanent magnet 201 may be added to the water tank 200 or pre-buried in the water tank 200.

In this embodiment, the first permanent magnet 301 is installed at the bottom of the leakage preventing plug 300, and the second permanent magnet 201 is installed at the top of the water tank 200.

Specifically, a first mounting position 320 is provided at the bottom of the leakage preventing plug 300, and a fool-proof structure is formed at the first mounting position 320, and the first permanent magnet 301 is assembled in the first mounting position 320 at a correct angle;

the second mounting position 221 is provided at the water tank 200, and a fool-proof structure is formed at the second mounting position 221, and the second permanent magnet 201 is assembled in the second mounting position 221 at a correct angle.

As shown in fig. 3, the bottom of the leakage preventing plug 300 is formed by a plurality of structures close to the claws, a space for accommodating the first permanent magnet 301 is formed between the claws, a step a321 is provided on the inner wall of the space, and similarly, a circle of grooves are provided on the outer edge of one surface of the first permanent magnet 301, where the first permanent magnet 301 is substantially cylindrical, when the first permanent magnet 301 is mounted on the first mounting position 320 at a correct angle, the step a321 is matched with the grooves, the first permanent magnet 301 is accommodated in the first mounting position 320, and if the first permanent magnet 301 is mounted on the first mounting position 320 at a reverse angle, the first permanent magnet 301 is jacked up by the step a321 due to the fact that no groove is provided on the other surface of the first permanent magnet 301, and thus the first permanent magnet 301 cannot be correctly mounted on the first mounting position 320.

Similarly, the second mounting position 221 protrudes upwards to be disposed on the water tank 200, the top of the second mounting position 221 is also formed by a plurality of structures close to the claws, a space for accommodating the second permanent magnet 201 is formed between the claws, a step B2211 is disposed on the inner wall of the space, and similarly, a circle of groove is disposed at the outer edge of one surface of the second permanent magnet 201, where the second permanent magnet 201 is substantially cylindrical, when the second permanent magnet 201 is mounted on the second mounting position 221 at a correct angle, the step B2211 is matched with the groove, the second permanent magnet 201 is accommodated on the second mounting position 221, and if the second permanent magnet 201 is mounted on the second mounting position 221 at a reverse angle, and since the other surface of the second permanent magnet 201 is not provided with the groove, the step B2211 can jack up the second permanent magnet 201, and the second permanent magnet 201 cannot be correctly mounted on the second mounting position 221, thereby achieving the fool-proof purpose.

By the foolproof structure described above, it is possible to ensure that the first permanent magnet 301 and the second permanent magnet 201 are magnetically repelled after being mounted.

In addition, in the case where the first permanent magnet 301 and the second permanent magnet 201 are unchanged, the repulsive force between the first permanent magnet 301 and the second permanent magnet 201 may be adjusted according to the distance therebetween, for example, by changing the height of the second installation site 221, thereby changing the repulsive force between the first permanent magnet 301 and the second permanent magnet 201, that is, adjusting the height of the leakage preventing plug 300 to move upward.

In one embodiment, the water tank 200 includes: the box 210 and the box cover 220, the box cover 220 is combined at the top of the box 210 and is positioned below the water receiving tank 100, and the water tank 200 is of a split type structure, so that the box cover 220 can be taken out when cleaning is convenient, and the inside of the box 210 is cleaned.

Further, the cover 220 and the case 210 may be fastened together; the second installation position 221 is arranged at the box cover 220, and a water inlet hole is arranged beside the second installation position 221; the second installation position 221 and the water inlet hole are both arranged in the inner sinking position 202 of the box cover 220;

specifically, since the water receiving tub 100 is installed above the water tank 200 while the leakage preventing plug 300 is moved upward by the magnetic force, the second permanent magnet 201 is directly opposite to the lower side of the water outlet 101 while being directly opposite to the lower side of the first permanent magnet 301, so that water is discharged from the lower side of the water outlet 101 may be dropped on the second permanent magnet 201, and the sink-in position 202 is provided so that water discharged from the water outlet 101 is collected at the sink-in position 202 and then enters the water tank 200 through the water inlet hole, thereby preventing water from flowing around the cover 220.

Furthermore, since the water tank 200 is required to be removed from the dehumidifier for cleaning, it is inconvenient to connect the water pipe between the water outlet 101 and the water inlet hole because the above-mentioned sink 202 is provided.

In one embodiment, the cover 220 or the second mounting location 221 is provided with a diversion trench/rib for guiding water to flow toward the water inlet, as shown in fig. 1, and the sidewall of the second mounting location 221 is provided with a diversion trench/rib.

In one embodiment, a blocking portion is provided above the drain sleeve 110, and the blocking portion limits the upward movement height of the leakage preventing plug 300, and the blocking portion may be a baffle or a protruding plate integrally formed with the water receiving tank 100, or may be a part of the side scroll 400 to be used as a blocking portion.

In this embodiment, the part of the side scroll 400 is used as a blocking part, so that the structure is simplified, and as shown in fig. 2 and 3, the part of the side scroll 400 is located above the water drain sleeve 110 after being installed, and can be pressed against the top of the leakage preventing plug 300.

In one embodiment, the leakage preventing plug 300 is integrally formed with silica gel or rubber, so that the leakage preventing plug 300 has good sealing performance.

The water leakage preventing structure can be applied to a dehumidifier, the dehumidifier generally has a main body 500, the main body 500 is provided with an evaporation condenser assembly and the side scroll 400, a water receiving tank 100 is arranged below the evaporation condenser assembly, and a water tank 200 is arranged below the water receiving tank 100.

Here, the evaporation condenser assembly is not shown in the drawings, and the evaporation condenser assembly may be a conventional technology, and water generated when the evaporation condenser assembly is operated flows into the water receiving tank 100 and then flows into the water tank 200 through the water outlet 101; when the dehumidifier is operated or stopped, after the water tank 200 is pulled out of the dehumidifier, the water outlet 101 is closed under the action of the leakage-proof plug 300, and the water remained in the water tank 100 cannot flow out of the machine body through the water outlet 101, so that the leakage-proof performance is better.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A water leakage preventing structure, comprising: water receiving tank and water tank, its characterized in that:

the water receiving tank is provided with a water outlet, a leakage-proof plug is assembled at the water outlet, and a first permanent magnet is assembled on the leakage-proof plug;

the water tank is provided with a second permanent magnet corresponding to the lower part of the first permanent magnet, and the first permanent magnet and the second permanent magnet are magnetically repelled; the water tank is arranged below the water receiving tank, and the leakage-proof plug is enabled to move upwards through repulsive force of the first permanent magnet and the second permanent magnet to control the water outlet to be opened; the water tank leaves the water receiving tank below, and the repulsive force of the first permanent magnet and the second permanent magnet disappears to enable the leakage-proof plug to reset under the self gravity to control the water outlet to be closed.

2. The water leakage preventing structure according to claim 1, wherein: a water draining sleeve is arranged in the water receiving tank, the water draining sleeve is internally provided with a water draining outlet, and the leakage preventing plug is assembled in the water draining sleeve;

when the water outlet is in a closed state, the outer wall of the leakage-proof plug is in conical surface contact with the inner wall of the water drain sleeve; when the water outlet is in an open state, a water inlet gap is formed between the outer wall of the leakage-proof plug and the inner wall of the water drain sleeve.

3. The water leakage preventing structure according to claim 2, wherein: the drain sleeve is provided with a guide groove and a convex rib which are used for guiding the leakage-proof plug to move up and down in the drain sleeve due to repulsive force or self-gravity between the first permanent magnet and the second permanent magnet.

4. The water leakage preventing structure according to claim 1, wherein: the bottom of the leakage-proof plug is provided with a first installation position, a fool-proof structure is formed at the first installation position, and a first permanent magnet is assembled in the first installation position at a correct angle;

the water tank is provided with a second installation position, a fool-proof structure is formed at the second installation position, and the second permanent magnet is assembled in the second installation position at a correct angle.

5. The water leakage preventing structure according to claim 4, wherein: the water tank includes: the box body and the box cover are combined at the top of the box body and positioned below the water receiving groove; the second installation position is arranged at the box cover, and a water inlet hole is arranged beside the second installation position; the second installation position and the water inlet hole are arranged in the inner sinking position of the box cover.

6. The water leakage preventing structure according to claim 5, wherein: and the box cover or the second installation position is provided with a diversion trench/diversion rib for guiding water to flow towards the water inlet.

7. The water leakage preventing structure according to claim 4, wherein: a blocking part is arranged above the drain sleeve, and the blocking part limits the upward moving height of the leakage-proof plug.

8. The water leakage preventing structure according to any one of claims 1 to 7, wherein: the leakage-proof plug is formed by integrating silica gel or rubber materials.

9. A dehumidifier having a body, characterized in that: the machine body is provided with an evaporation condenser assembly, a side volute and the water leakage preventing structure as claimed in claim 8.