CN217423464U - Casing subassembly and dehumidifier - Google Patents

Abstract

The utility model relates to a casing subassembly and dehumidifier, include: the upper shell assembly is provided with an installation cavity; the lower shell assembly is provided with an accommodating cavity for accommodating liquid, and the upper shell assembly is arranged on the lower shell assembly; the device comprises a limiting device and a positioning device, wherein the limiting device and the positioning device can be installed in a matched mode, one of the limiting device and the positioning device is arranged on an upper shell assembly, the other of the limiting device and the positioning device is arranged on a lower shell assembly, and a limiting groove is formed in the upper shell assembly and/or the lower shell assembly; one of the limiting device or the positioning device is matched and installed with one of the positioning device or the limiting device through the limiting groove. Because the locking state is fixed through the limiting device and the positioning device, the lower shell assembly cannot fall off in the process of moving the machine, and when the lower shell assembly needs to be taken out, the limiting device and the positioning device are separated, and the upper shell assembly and the lower shell assembly can be in a detachable state.

Description

Casing subassembly and dehumidifier

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a casing subassembly and dehumidifier.

Background

A dehumidifier is a device that condenses and removes moisture in the air. Most of the traditional dehumidifiers in the current market are pull-type structures with water tanks and shells mutually buckled, the water tanks need to be pulled out manually, the water tanks are easy to shake when pulled out, and overflow is easy to occur, so that great inconvenience is brought to users. Or the water receiving tray of the dehumidifier is fixedly connected with the shell in a threaded connection mode, although the water receiving box can be firmly installed, non-professional maintenance personnel cannot easily detach or install the water receiving box, can not avoid sucking various dust during working, can easily condense in the water receiving box after being fused with water drops, and water scales and impurities easily block the water outlet of the water receiving box after long-time use, so that the normal use of the dehumidifier is influenced.

SUMMERY OF THE UTILITY MODEL

Based on this, in order to overcome the inconvenient defect of multiple uses such as inconvenient dismantlement and inconvenient removal of prior art, provide a casing subassembly and dehumidifier.

A housing assembly comprising: the upper shell assembly is provided with an installation cavity; the lower shell assembly is provided with an accommodating cavity used for accommodating liquid, and the upper shell assembly is arranged on the lower shell assembly; the limiting device and the positioning device can be installed in a matched mode, one of the limiting device and the positioning device is arranged on the upper shell assembly, one of the limiting device and the positioning device is arranged on the lower shell assembly, and limiting grooves are formed in the upper shell assembly and/or the lower shell assembly; the limiting device is arranged at the limiting groove, and the limiting device can move at the limiting groove. The utility model discloses a shell assembly, which comprises an upper shell assembly and a lower shell assembly, wherein the upper shell assembly is provided with an installation cavity, the lower shell assembly is provided with a holding cavity, the holding cavity is used for storing liquid, the upper shell assembly and the lower shell assembly are matched and installed or separated from each other through a limiting device and a positioning device by moving the limiting device in a limiting groove, the upper shell assembly and the lower shell assembly are detachably connected, so that the upper shell assembly and the lower shell assembly are more convenient to detach and clean, the convenience of later maintenance is also improved, the installation structure is simplified, the cost is reduced, when the upper shell assembly and the lower shell assembly are in a fixed state, as the upper shell assembly and the positioning device are fixed in a locked state through the limiting device, the lower shell assembly can not fall off in the process of moving a machine, the safety performance is improved, when the lower shell assembly needs to be taken out again, the limiting device is separated from the positioning device, the upper shell assembly and the lower shell assembly are in a detachable state.

In one embodiment, the limiting device has at least a first position and a second position when moving at the limiting groove, when the limiting device is in the first position, the limiting device is fittingly installed with the positioning device, the upper shell assembly is locked with the lower shell assembly, when the limiting device is in the second position, the limiting device is separated from the positioning device, and the upper shell assembly is separated from the lower shell assembly. Stop device has primary importance and second place when passing through spacing groove department motion at least, and when stop device was in the primary importance, stop device and positioner looks adaptation installation went up casing subassembly and casing subassembly locking down, and casing subassembly can not drop down, has improved the security performance, and when stop device was in the second place, stop device and positioner separation went up casing subassembly and casing subassembly separable down, were convenient for wash and be convenient for later maintenance processing.

In one embodiment, the limiting device comprises a first base, a first column body, a second column body and a third column body, one end of the second column body and one end of the third column body are respectively connected with the edge of the first base, the first column body is arranged on the first base, the first cylinder is arranged between the second cylinder and the third cylinder, the second cylinder and the third cylinder are arranged at a preset distance, a first boss is arranged at the outer edge of the second column body, a second boss is arranged at the outer edge of the third column body, when the limiting device is at the first position, the second column body and the third column body can pass through the limiting groove and can slide left and right in the limiting groove, the first boss and the second boss are respectively abutted to the inner side wall of the lower shell assembly, and the first cylinder penetrates through the limiting groove and is installed in a matched mode. The limiting device corresponds to the limiting groove, so that the limiting device can move left and right along the limiting groove on the limiting groove, further, the limiting device comprises a first base, a first cylinder, a second cylinder and a third cylinder, one end of the second cylinder and one end of the third cylinder are respectively connected with the edge of the first base, the first cylinder is arranged on the first base, the first cylinder is arranged between the second cylinder and the third cylinder, the second cylinder and the third cylinder are arranged at a preset distance, a first boss is arranged at the outer edge of the second cylinder, a second boss is arranged at the outer edge of the third cylinder, when the limiting device is at the first position, the second cylinder can be worn to establish with the third cylinder spacing groove can be at spacing inslot horizontal slip, first boss and second boss respectively with casing subassembly inside wall looks butt down, first cylinder is worn to establish spacing groove and adaptation installation.

In one embodiment, the lower casing assembly comprises a second base and a lower casing box, the lower casing box is arranged on the second base, and the periphery of the lower casing box is a preset distance away from the side wall of the second base. Casing subassembly includes second base and lower casing box down, and the casing box sets up on the second base down, and the casing box is all around and is predetermineeing the distance with the lateral wall of second base down, the installation of casing subassembly and casing subassembly down in the being convenient for that can be better.

In one embodiment, the lower casing box body comprises a lower casing box body and a lower casing box body cover, the lower casing box body cover is arranged on the lower casing box body, and the lower casing box body cover and the lower casing box body enclose to form an accommodating cavity. The casing box includes casing box main part and casing box lid down, and casing box lid is established on casing box main part down, can dismantle, is convenient for pour down the internal liquid of casing box, and is further, and casing box lid encloses with casing box main part down and closes formation holding chamber down for place liquid.

In one embodiment, the positioning device is provided with a first notch and a second notch, and the limiting device can slide between the first notch and the second notch. The positioning device is provided with a first notch and a second notch, so that the limiting device can move left and right along the first notch and the second notch.

In one embodiment, the positioning device comprises a first panel, a second panel, a third panel and a fourth panel, one end of the first panel is connected with the second panel, the second panel is connected with the third panel, the third panel is connected with the fourth panel, the other ends of the first panel, the second panel, the third panel and the fourth panel are respectively connected with the lower casing body, the first panel has a transverse length less than that of the second panel to form a first gap, the third panel has a radial length equal to that of the fourth panel, the radial length of the third panel is smaller than that of the second panel to form a second gap, when the limiting device is positioned at the first position, the third column body can move at the first gap, the first panel and the second column body are movably arranged at the second notch, and one end of the first column body is a preset distance from the third panel. Can make stop device can fix a position better when installing with positioner cooperation, improve the stability that last casing assembly and casing assembly combine down. When the positioning device and the limiting device are installed in a matched mode, assembling interference is reduced.

In one embodiment, the limiting groove is an inward-concave trapezoidal groove body, and one end of the aperture of the limiting groove is smaller than the other end of the aperture of the limiting groove. Limiting groove department establishes to inside sunken trapezium structure cell body, the aperture one end of limiting groove is less than the other end, and when messenger positioner and stop device cooperation installation that can be better, reduce the assembly and interfere, and is further, in positioner and stop device cooperation installation, casing assembly and casing assembly's installation down in the fixed that can be better prevents that casing assembly from dropping down.

An embodiment of a second aspect of the present invention provides a dehumidifier, comprising: a housing assembly; a liquid level detection assembly extending at least partially into the receiving cavity of the lower housing assembly, the liquid level detection assembly for detecting a position of liquid within the receiving cavity; the air supply assembly is arranged in the shell assembly; the refrigeration assembly is arranged in the shell assembly and is provided with a refrigeration surface and a heat dissipation surface, and the air supply assembly and the heat dissipation surface are arranged oppositely. Through set up liquid level detection subassembly in the dehumidifier, liquid level detection subassembly is used for detecting, control and suggestion liquid level height in the liquid storage cavity, and then the suggestion is in time emptyd the liquid of holding intracavity, prevents that the liquid in the holding cavity from overflowing outside the box, influences sanitation. Optionally, the sensing device of the liquid level detection assembly is a hall switch assembly, the hall switch assembly further comprises a control circuit board, and the floater is provided with a magnetic part. When the floater reaches the highest liquid level position, the magnetic part on the floater is connected with the Hall switch, so that the control circuit board is triggered to control the Hall switch to stop the dehumidifier to work, and the liquid in the liquid storage cavity cannot exceed the highest liquid level and overflow outwards. The air supply assembly is arranged on the shell assembly, so that external air can rapidly enter the shell assembly of the dehumidifier, the air can flow and circulate in the air duct assembly of the dehumidifier with higher speed, and under the action of the air supply assembly, hot air after heat exchange can be rapidly discharged out of the dehumidifier, the influence on the temperature of the refrigeration assembly of the dehumidifier is reduced, the refrigeration effect of the refrigeration assembly is improved, the condensation and dehumidification effect efficiency of the dehumidifier is also improved, and the service life of the refrigeration assembly can be further prolonged.

In one embodiment, the refrigerator further comprises a control device, the control device is electrically connected with the air supply assembly and the refrigeration assembly, and the control device is used for controlling the operation of the air supply assembly and the refrigeration assembly. Through setting up controlling means, controlling means is connected with air supply assembly and refrigeration subassembly electricity, can realize the automatic control of dehumidifier dehumidification start-up, closing and dehumidification power size regulation, has improved the convenience of use of dehumidifier.

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 application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic partially exploded view of a dehumidifier of the present invention 1;

FIG. 2 is a partial schematic view of the dehumidifier of the present invention 1;

fig. 3 is a partial schematic view 2 of the dehumidifier of the present invention.

Wherein, the corresponding relation between the reference signs and the component names is as follows:

1, an upper shell assembly, 11 a first shell, 12 a second shell;

2, a lower shell assembly, 21 a second base, 22 a lower shell box body, 221 a lower shell box body and 222 a lower shell box body cover;

3, a limiting device, 31 a first base, 32 a first column body, 33 a second column body and 34 a third column body;

4 positioning means, 41 a first panel, 42 a second panel, 43 a third panel, 44 a fourth panel;

5 liquid level detection assembly.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1, optionally, a housing assembly, comprising: the upper shell assembly 1 is provided with an installation cavity; the liquid container comprises a lower shell assembly 2, wherein the lower shell assembly 2 is provided with a containing cavity used for containing liquid, and an upper shell assembly 1 is arranged on the lower shell assembly 2; the device comprises a limiting device 3 and a positioning device 4, wherein the limiting device 3 and the positioning device 4 can be installed in a matched mode, one of the limiting device 3 or the positioning device 4 is arranged on an upper shell assembly 1, one of the limiting device 3 or the positioning device 4 is arranged on a lower shell assembly 2, and a limiting groove is formed in the upper shell assembly 1 or the lower shell assembly 2; the limiting device 3 is arranged at the limiting groove, and the limiting device 3 can move at the limiting groove. A shell assembly comprises an upper shell assembly and a lower shell assembly, wherein the upper shell assembly is provided with an installation cavity, the lower shell assembly is provided with a holding cavity, the holding cavity can be used for placing liquid, the upper shell assembly and the lower shell assembly are installed in a matching way through a limiting groove through a limiting device and a positioning device, the upper shell assembly and the lower shell assembly are detachably connected, thus, the disassembly and the cleaning can be better and conveniently carried out, the convenience of later maintenance is also improved, the installation structure is simplified, the cost is reduced, when the upper shell assembly and the lower shell assembly are in a fixed state, because the limit device and the positioning device are fixed in a locked state, in the process of moving the machine, the lower shell component can not fall off, the safety performance is improved, when the lower shell component needs to be taken out again, the limiting device is separated from the positioning device, and the upper shell assembly and the lower shell assembly are in a detachable state.

As shown in fig. 1, optionally, the limiting device 3 has at least a first position and a second position when moving in the limiting groove, when the limiting device 3 is in the first position, the limiting device 3 is installed in fit with the positioning device 4, the upper housing assembly 1 is locked with the lower housing assembly 2, when the limiting device 3 is in the second position, the limiting device 3 is separated from the positioning device 4, and the upper housing assembly 1 is separated from the lower housing assembly 2. Stop device has primary importance and second place at least when spacing groove department moves, and stop device and positioner looks adaptation installation when being in the primary importance, go up casing subassembly and casing subassembly locking down, casing subassembly can not drop down, has improved the security performance, and stop device is when the second place, and stop device and positioner separation go up casing subassembly and casing subassembly separable down, are convenient for wash and the later stage maintenance of being convenient for handle.

As shown in fig. 1 and 3, optionally, the limiting device 3 includes a first base 31, a first cylinder 32, a second cylinder 33 and a third cylinder 34, one end of the second cylinder 33 and one end of the third cylinder 34 are respectively connected to the edge of the first base 31, the first cylinder 32 is disposed on the first base 31, the first cylinder 32 is disposed between the second cylinder 33 and the third cylinder 34, the second cylinder 33 and the third cylinder 34 are disposed at a predetermined distance from each other, the second cylinder 33 is disposed along the outer edge and provided with a first boss, the third cylinder 34 is disposed along the outer edge and provided with a second boss, when the limiting device 3 is at the first position, the second cylinder 33 and the third cylinder 34 can penetrate through a limiting groove and can slide left and right in the limiting groove, the first boss and the second boss respectively abut against the inner side wall of the lower housing assembly 2, and the first cylinder 32 penetrates through the limiting groove and is installed in an adaptive manner. Stop device and spacing groove correspond each other, make stop device can prolong the spacing groove and remove about on the spacing groove, it is further, stop device includes first base, first cylinder, second cylinder and third cylinder one end are connected with first base border department respectively, first cylinder sets up on first base, first cylinder sets up between second cylinder and third cylinder, second cylinder and third cylinder are apart from presetting apart from the distance setting, second cylinder is provided with first boss along outer border department, third cylinder is provided with the second boss along outer border department, stop device is when first position, the spacing groove can be worn to establish with the third cylinder and can be in spacing inslot horizontal slip, first boss and second boss respectively with lower casing subassembly inside wall looks butt, first cylinder is worn to establish spacing groove and adaptation installation.

As shown in fig. 2, optionally, the lower housing assembly 2 includes a second base 21 and a lower housing case 22, the lower housing case 22 is disposed on the second base 21, and the lower housing case 22 is at a predetermined distance from the sidewall of the second base 21. Casing subassembly includes second base and lower casing box down, and the casing box sets up on the second base down, and the casing box is all around and is predetermineeing the distance with the lateral wall of second base down, the installation of casing subassembly and casing subassembly down in the being convenient for that can be better.

As shown in fig. 2, optionally, the lower casing box 22 includes a lower casing box main body 221 and a lower casing box cover 222, the lower casing box cover 222 covers the lower casing box main body 221, and the lower casing box cover 222 and the lower casing box main body 221 enclose to form a containing cavity. The casing box includes casing box main part and casing box lid down, and casing box lid is established on casing box main part down, can dismantle, is convenient for pour down the internal liquid of casing box, and is further, and casing box lid encloses with casing box main part down and closes formation holding chamber down for place liquid.

As shown in fig. 2, optionally, the positioning device 4 is provided with a first notch and a second notch, and the limiting device 3 can slide between the first notch and the second notch. The positioning device is provided with a first notch and a second notch, so that the limiting device can move left and right along the first notch and the second notch.

As shown in fig. 2 and 3, optionally, the positioning device 4 includes a first panel 41, a second panel 42, a third panel 43 and a fourth panel 44, one end of the first panel 41 is connected to the second panel 42, the second panel 42 is connected to the third panel 43, the third panel 43 is connected to the fourth panel 44, the other ends of the first panel 41, the second panel 42, the third panel 43 and the fourth panel 44 are respectively connected to the lower casing 22, the transverse length of the first panel 41 is smaller than that of the second panel 42 to form a first gap, the radial lengths of the third panel 43 and the fourth panel 44 are the same, the radial length of the third panel 43 is smaller than that of the second panel 42 to form a second gap, when the limiting device 3 is in the first position, the third column 34 is movable at the first notch, the first panel 41 and the second column 33 are movable at the second notch, and one end of the first column 32 is at a predetermined distance from the third panel 43. Can make stop device can fix a position better when installing with positioner cooperation, improve the stability that last casing subassembly and casing subassembly combine down. When the positioning device and the limiting device are installed in a matched mode, the assembling interference is reduced.

As shown in fig. 1, optionally, the position of the limiting groove is provided with an inwardly recessed trapezoidal groove body, and one end of the aperture of the limiting groove is smaller than the other end. Limiting groove department establishes to inside sunken trapezium structure cell body, and the aperture one end of limiting groove is less than the other end, and when messenger positioner that can be better and stop device cooperation installation, reduce the assembly and interfere, and is further, in positioner and stop device cooperation installation, casing assembly and casing assembly's installation down in the fixed that can be better prevents that casing assembly from dropping down.

As shown in fig. 1, optionally, an embodiment of a second aspect of the present invention provides a dehumidifier including: a housing assembly; the liquid level detection assembly 5, the liquid level detection assembly 5 extends to the containing cavity of the lower shell assembly 2 at least partially, the liquid level detection assembly 5 is used for detecting the position of liquid in the containing cavity; the air supply assembly is arranged in the shell assembly; refrigeration subassembly, refrigeration subassembly set up in the casing subassembly, and refrigeration subassembly is equipped with refrigeration face and cooling surface, and the air supply subassembly sets up with the cooling surface is relative. Through set up liquid level detection subassembly in the dehumidifier, liquid level detection subassembly is used for detecting, control and suggestion liquid level height in the liquid storage cavity, and then the suggestion is in time emptyd the liquid of holding intracavity, prevents that the liquid in the holding cavity from overflowing outside the box, influences sanitation. Optionally, the sensing device of the liquid level detection assembly is a hall switch assembly, the hall switch assembly further comprises a control circuit board, and the floater is provided with a magnetic part. When the floater reaches the highest liquid level position, the magnetic part on the floater is connected with the Hall switch, so that the control circuit board is triggered to control the Hall switch to stop the dehumidifier to work, and the liquid in the liquid storage cavity cannot exceed the highest liquid level and overflow outwards. The air supply assembly is arranged on the shell assembly, so that external air can rapidly enter the shell assembly of the dehumidifier, the air can flow and circulate in the air duct assembly of the dehumidifier with higher speed, and under the action of the air supply assembly, hot air after heat exchange can be rapidly discharged out of the dehumidifier, the influence on the temperature of the refrigeration assembly of the dehumidifier is reduced, the refrigeration effect of the refrigeration assembly is improved, the condensation and dehumidification effect efficiency of the dehumidifier is also improved, and the service life of the refrigeration assembly can be further prolonged.

Optionally, the air supply system further comprises a control device, the control device is electrically connected with the air supply assembly and the refrigeration assembly, and the control device is used for controlling the operation of the air supply assembly and the refrigeration assembly. Through setting up controlling means, controlling means is connected with air supply assembly and refrigeration subassembly electricity, can realize the automatic control of dehumidifier dehumidification start-up, closing and dehumidification power size regulation, has improved the convenience of use of dehumidifier.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A housing assembly, comprising:

the upper shell assembly (1), the upper shell assembly (1) is provided with a mounting cavity;

the liquid container comprises a lower shell assembly (2), wherein the lower shell assembly (2) is provided with an accommodating cavity used for accommodating liquid, and the upper shell assembly (1) is arranged on the lower shell assembly (2);

the device comprises a limiting device (3) and a positioning device (4), wherein the limiting device (3) and the positioning device (4) can be installed in a matched mode, one of the limiting device (3) or the positioning device (4) is arranged on the upper shell assembly (1), one of the limiting device (3) or the positioning device (4) is arranged on the lower shell assembly (2), and a limiting groove is formed in the upper shell assembly (1) or the lower shell assembly (2); the limiting device (3) is arranged at the limiting groove, and the limiting device (3) can move at the limiting groove.

2. The housing assembly according to claim 1, wherein the position limiting device (3) has at least a first position and a second position when moving at the position limiting groove, when the position limiting device (3) is in the first position, the position limiting device (3) is fittingly mounted with the positioning device (4), the upper housing assembly (1) is locked with the lower housing assembly (2), when the position limiting device (3) is in the second position, the position limiting device (3) is separated from the positioning device (4), and the upper housing assembly (1) is separated from the lower housing assembly (2).

3. The housing assembly according to claim 2, characterized in that the limiting device (3) comprises a first base (31), a first column (32), a second column (33) and a third column (34), one end of the second column (33) and one end of the third column (34) are respectively connected with the edge of the first base (31), the first column (32) is arranged on the first base (31), the first column (32) is arranged between the second column (33) and the third column (34), the second column (33) and the third column (34) are arranged at a predetermined distance, the second column (33) is provided with a first boss at the outer edge, the third column (34) is provided with a second boss at the outer edge, when the limiting device (3) is at the first position, the second column (33) and the third column (34) can pass through the limiting groove and can slide left and right in the limiting groove And the first boss and the second boss are respectively abutted against the inner side wall of the lower shell assembly (2), and the first column (32) penetrates through the limiting groove and is installed in a matched manner.

4. The housing assembly according to claim 3, characterized in that the lower housing assembly (2) comprises a second base (21) and a lower housing box (22), the lower housing box (22) being arranged on the second base (21), the periphery of the lower housing box (22) being at a predetermined distance from the side wall of the second base (21).

5. The housing assembly of claim 4, wherein the lower housing case (22) comprises a lower housing case body (221) and a lower housing case cover (222), the lower housing case cover (222) is covered on the lower housing case body (221), and the lower housing case cover (222) and the lower housing case body (221) enclose to form a containing cavity.

6. The housing assembly according to claim 4, characterized in that the positioning device (4) is provided with a first and a second notch, between which the limiting device (3) can slide.

7. The housing assembly according to claim 6, characterized in that the positioning means (4) comprises a first panel (41), a second panel (42), a third panel (43) and a fourth panel (44), the first panel (41) being connected at one end to the second panel (42), the second panel (42) being connected to the third panel (43), the third panel (43) being connected to the fourth panel (44), the first panel (41), the second panel (42), the third panel (43) and the fourth panel (44) being connected at the other end to the lower housing box (22), respectively, the first panel (41) having a smaller transverse length than the second panel (42) forming a first gap, the third panel (43) having the same radial length as the fourth panel (44), the third panel (43) having a smaller radial length than the second panel (42) forming a second gap, when the limiting device (3) is located at the first position, the third column body (34) is movably arranged at the first notch, the first panel (41) and the second column body (33) are movably arranged at the second notch, and one end of the first column body (32) is at a preset distance from the third panel (43).

8. The shell assembly as claimed in claim 1, wherein the limiting groove is configured as an inwardly recessed groove body with a trapezoidal structure, and one end of the aperture of the limiting groove is smaller than the other end.

9. A dehumidifier comprising a housing assembly according to any one of claims 1 to 8;

the liquid level detection assembly (5), the liquid level detection assembly (5) at least partially extends into the accommodating cavity of the lower shell assembly (2), and the liquid level detection assembly (5) is used for detecting the position of liquid in the accommodating cavity;

the air supply assembly is arranged in the shell assembly;

the refrigeration assembly is arranged in the shell assembly and provided with a refrigeration surface and a heat dissipation surface, and the air supply assembly is arranged opposite to the heat dissipation surface.

10. The dehumidifier of claim 9 further comprising a control device, wherein the control device is electrically connected with the air supply assembly and the refrigeration assembly, and the control device is used for controlling the operation of the air supply assembly and the refrigeration assembly.

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