JP4684389B2 - Dehumidifier - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a dehumidifier using a refrigeration apparatus.
[0002]
[Prior art]
Conventionally, what is described in Japanese Patent Application Laid-Open No. 9-89295 is known as an example of draining water collected in a water receiving tray in this type of dehumidifier into a drainage tank by mounting the drainage tank.
[0003]
The configuration will be described below with reference to FIGS.
[0004]
As shown in the figure, a compressor 102, a condenser 103, an evaporator 104, and a blower 105 are provided as dehumidifying means inside a dehumidifier body 101, and a water receiving tray 106 and a drain tank 107 for receiving water dripped from the evaporator 104 are provided. Have.
[0005]
A drain port 108 is provided in the water tray 106, and a spherical protrusion 110 that is opposed to the drain port 108 is provided on a lever 109 that is interlocked with the removal and insertion of the drain tank 107, and the drain port 108 is closed when the drain tank 107 is ejected. An elastic stopper 111 is disposed between the drain port 108 and the spherical protrusion 110.
[0006]
The lever 109 is formed so that the radius of the spherical protrusion 110 provided at the tip of the lever 109 is less than or equal to ½ of the inner diameter of the open portion of the drain port 108.
[0007]
Moreover, it demonstrates referring FIG. 23 and FIG. 24 as an example which provided the float means which controls the operation | movement by measuring the water level in a drainage tank.
[0008]
As shown in the figure, a float main body 204 provided with a magnet 202 for turning on and off a float 202 and a reed switch (not shown) is provided in a drain tank 201 so as to be rotatable through a shaft 205. The float main body 204 is received at a predetermined position in case of drought when water does not accumulate in the drainage tank 201 or when the water level does not reach a predetermined position so that it can move as the water level rises above the predetermined water level. The receiving plate 206 was provided in the drainage tank 201.
[0009]
[Problems to be solved by the invention]
In such a conventional dehumidifier, when the drainage tank 107 is taken out from the dehumidifier body 101 in the former, the drain port 108 provided in the water receiving tray 106 is sealed through the elastic stopper 111, and the drain Water drops are prevented from dropping from the mouth 108 to the floor surface, and the stopper 111 is opened when the drainage tank 107 is attached, and the water collecting tray 106 and the water accumulated in the drain outlet 108 are spouted into the stopper 111. After the collision, there is a problem that the floor surface may be splashed out of the drain tank 107, and the water collected in the water tray 106 and the drain port 108 when the drain tank 107 is attached is scattered outside the drain tank 107. It is required to prevent the floor surface from getting wet.
[0010]
In the latter case, since a receiving plate 206 for receiving the float body 204 at a predetermined position is provided in the drain tank 201, the receiving plate 206 is obstructive when removing dirt such as scale attached to the inner surface of the drain tank 201. Therefore, there is a problem that cleaning is difficult and the contact sound between the float main body 204 and the receiving plate 206 is high, and it is required to be easy to clean and reduce noise such as contact sound.
[0011]
The present invention solves the above-described problem, and can prevent water accumulated in a water receiving tray or the like from splashing on a floor surface or the like when the drainage tank is attached, and cleaning the drainage tank provided with a float. The purpose is to provide a dehumidifier that is easy and has low noise.
[0012]
[Means for Solving the Problems]
In order to achieve the above object, the dehumidifier of the present invention has a main body having dehumidifying means and a water receiving tray therein, a drain tank provided in the main body so as to be freely removable, and drainage from the water receiving tray to the drain tank. A drain pipe for guiding, and a lever provided with a seal portion for opening an end portion of the drain pipe when the drain tank is attached to the main body in a shape for closing the end portion of the drain pipe. , A water receiving wall portion that receives the scattering of water facing the inner wall side of the main body near the seal portion, and a lower surface side facing the drainage tank of the water receiving wall portion provided in the sealing portion is cut away It is.
[0013]
ADVANTAGE OF THE INVENTION According to this invention, the dehumidifier which can prevent that the water collected on the water receiving tray at the time of mounting | wearing with a drainage tank splashes on a floor surface etc. is obtained.
[0014]
The present invention includes a main body having a dehumidifying means and a water tray inside, a drain tank provided in the main body so as to be freely removable, a drain pipe for guiding drainage from the water tray to the drain tank, and the drain pipe And a lever provided with a seal portion that opens the end of the drain pipe when the drain tank is attached to the main body in a shape that closes the end, and the inner wall side of the main body near the seal portion is provided on the seal portion A water receiving wall part is provided to stop water splashing opposite to the surface, and the lower surface side facing the drainage tank of the water receiving wall part provided in the seal part is cut away, and when the drainage tank is attached to the main body In this case, even if the water collected in the water receiving tray and the drain pipe is opened at the end of the drain pipe and collided with the seal part, the water receiving wall part provided on the seal part causes water to flow toward the inner wall side of the main body. Scattering Is received for that, will be drained into the drainage tank, water is scattered on the floor surface or the like is prevented from contaminating the floor, opposite the drain tank of water receiving wall portion provided on the seal portion since notched lower surface side, the water colliding with the seal portion has the effect of Ru can be drained to reliably drain tank leads water into the cutout portion prior to overcome the water receiving wall portion.
[0015]
Embodiments of the present invention will be described below with reference to the drawings.
[0016]
【Example】
( Assumption example 1)
As shown in FIGS. 1 to 5, the main body 8 is provided with a suction port 1 and a blower outlet 2, and is provided with a compressor 3, a condenser 4, an evaporator 5, and a blower 6 as dehumidifying means, and is dropped from the evaporator 5. It has a water tray 7 that receives the water. A drainage tank is disposed below the water tray 7 and a substantially funnel-shaped tank cap 10 provided with a small drainage port 9 is fitted to the upper portion so that the internal water does not spill during transportation. A tank cover 13 having a see-through window 12 through which the water level inside can be seen is provided at the front portion of the drainage tank 11 to form the drainage tank 11, and the drainage tank 11 is slid from the drainage tank mounting port 14 provided in the main body 8. Can be removed.
[0017]
Further, the water receiving tray 7 is formed with a drain pipe 15 that guides and drains the water received by the water receiving tray 7 to the drain tank 11 in a substantially L shape, and the upper end communicates with the water receiving tray 7. The lever 18 opens the end 15a of the drain pipe 15 in the horizontal state, and the seal portion 17 made of rubber or the like having a shape that always closes the opening of the end 15a with the spring pressure of the spring 16 is opposed to the end 15a. And is provided movably on the main body 8 side. In the seal portion 17, a water receiving wall portion 19 that faces the inner wall 8 a side of the main body 8 in the vicinity of the seal portion 17 and receives water scattering is formed so as to surround a range of approximately 180 ° in an arc shape. When the drain tank 11 is mounted in the main body 8, a lever movable portion 20 that engages with the lever 18 and moves the lever 18 is provided on the drain tank 11 side, and is provided integrally with the lever 18 by the movement of the lever 18. The seal portion 17 is moved, and the end portion 15a of the drain pipe 15 is provided and configured to open.
[0018]
In the above configuration, when the dehumidifier is operated with the drain tank 11 mounted in the main body 8, the lever 18 is moved by the lever movable portion 20 provided on the drain tank 11 side, and the seal portion 17 is connected to the drain pipe 15. It leaves | separates from the edge part 15a and the edge part 15a will be in the open state. Humid air in the room is sucked into the main body 8 from the suction port 1 by the blower 6, moisture in the humid air is condensed in the evaporator 5, and the dehumidified air is diffused into the room through the air outlet 2 and dehumidified.
[0019]
The water condensed in the evaporator 5 is dropped into the water tray 7 as water droplets, passes through the drain pipe 15 and drains into the drain port 9 of the tank cap 10 provided in the drain tank 11 through the opening of the end portion 15a. When the water accumulated in the drainage tank 11 reaches a predetermined water level, the operation is stopped by a float means (not shown), it is informed that the water has accumulated in the drainage tank 11, and the drainage tank 11 is taken out from the main body 8 and drained. The water in the tank 11 is discharged.
[0020]
At this time, by removing the drainage tank 11, the lever movable portion 20 provided on the drainage tank 11 side is disengaged from the lever 18, and the seal portion 17 is moved by the spring pressure of the spring 16 via the lever 18. The opening of the end 15 a of the drain pipe 15 is closed by the seal portion 17, and water does not drip from the end 15 a of the drain pipe 15.
[0021]
However, for a certain period of time after the operation is stopped, water condensed in the evaporator 5 is dropped into the water tray 7 as water droplets, and the water droplets are accumulated in the drain pipe 15 and the water tray 5.
[0022]
After draining or cleaning the water in the drainage tank 11, when the drainage tank 11 is mounted in the main body 8 through the drainage tank mounting port 14 of the main body 8, the lever 18 is moved by the lever movable portion 20 provided on the drainage tank 11 side. Then, the seal portion 17 is separated from the end portion 15a of the drainage pipe 15 via the lever 18, the end portion 15a is opened, and the water accumulated in the drainage pipe 15 and the water tray 7 is at one time of the end portion 15a of the drainage pipe 15. The water flows out from the opening, and the water collides with the seal portion 17 and then drains into the drain tank 11.
[0023]
At this time, some of the water colliding with the seal portion 17 tends to scatter toward the inner wall 8 a side of the main body 8, but is received by the water receiving wall portion 19 provided in the seal portion 17 and drained into the drain tank 11. It becomes.
[0024]
As described above, according to the dehumidifier of Example 1 of the present invention, the compressor 3, the condenser 4, the evaporator 5, the blower 6 as the dehumidifying means, and the water tray 7 that receives the water dripped from the evaporator 5. , A drainage tank 11 provided in the main body 8 so as to be removable, a drainage pipe 15 provided to drain the water in the water receiving tray 7 into the drainage tank 11, and an end 15a of the drainage pipe 15. And a lever 18 provided with a seal portion 17 in which an end portion 15a of the drain pipe 15 is opened when the drain tank 11 is attached to the main body 8, and the seal portion 17 is close to the seal portion 17. Since the water receiving wall portion 19 is provided facing the inner wall 8a side of the main body 8 and catches the scattering of water, the water accumulated in the water receiving tray 7 or the like when the drainage tank 11 is mounted is scattered on the floor surface or the like. Can be prevented.
[0025]
(Example 1 )
As shown in FIGS. 6 and 7, a notch portion 21 is provided on the lower surface side of the water receiving wall portion 19 </ b> A provided in the seal portion 17 </ b> A that faces a drain tank (not shown).
[0026]
In the above configuration, when water discharged from the end portion 15a of the drain pipe 15 collides with the seal portion 17A, the water receiving wall portion 19A receives water scattering, and the notch portion 21 moves downward as indicated by an arrow. It becomes easy to be drained toward.
[0027]
As described above, according to the dehumidifier of Example 2 of the present invention, since the notch portion 21 is provided on the lower surface side of the water receiving wall portion 19A provided in the seal portion 17A, the water drained from the drain pipe 15 is sealed. When the water collides with the portion 17A, the water is guided to the notch portion 21 before getting over the water receiving wall portion 19A, and the water can be reliably guided to the drainage tank.
[0028]
(Example 2 )
As shown in FIGS. 8 to 12, a concave groove 22 is provided in the outer wall portion of the drainage tank 11 </ b> A near the tank cover 13, and a bearing 23 having an inward projection 23 a near the upper portion of the concave groove 22 is used as the drainage tank. 11A is provided in communication. An engaging portion 24a is formed on the shaft portion 24 so as to be engaged with a protrusion 23a provided on the bearing 23 in a shape to be fitted into the bearing 23, and the shaft portion 24 is formed at the end of the float support portion 25a. Provided.
[0029]
The float support portion 25a has a U-shaped portion so that an elastic force is generated in the thrust direction. Water has accumulated in the float support portion 25a up to a predetermined water level when the float 25 and the reed switch 26A for turning on and off the main circuit of the device provided in the main body 8A are operated, and the drain tank 11A is full. A magnet 27B for operating a reed switch 26B for turning on / off a display device (not shown) for informing the user is provided.
[0030]
In the above configuration, the float 25 has the shaft portion 24 attached to the bearing 23 provided in the drain tank 11A through the elastic force of the float support portion 25a, and the engaging portion 24a of the shaft portion 24 is engaged with the protrusion 23a of the bearing 23. In addition, the rotation range of the shaft portion 24 relative to the bearing 23 is regulated so that the float 25 is supported on the side where the float 25 is movable from the axis line formed by the bearing 23 and the shaft portion 24. At this time, the magnet 27A turns on the reed switch 26A to enter the operating state.
[0031]
When the operation continues and water accumulates in the drain tank 11A, the float 25 is pushed up by the water. At this time, the float 25 moves up in one direction on the movable side with the shaft portion 24 as a fulcrum and rises, and when the water level in the drain tank 11A reaches a predetermined water level, the magnet 27A provided on the float 25 side causes the reed switch 26A to move. Further, the reed switch 26A is turned off, the operation of the dehumidifier is stopped, and the magnet 27B is close to the reed switch 26B and the reed switch 26B is turned on to confirm that the water in the drain tank 11A is full. It is displayed on the display device to let you know.
[0032]
Further, when the drain tank 11A is taken out from the main body 8A, both the magnet 27A and the magnet 27B are separated from the reed switch 26A and the reed switch 26B, the operation of the dehumidifier is stopped, and the display device does not display.
[0033]
When the drain tank 11A taken out from the main body 8A is cleaned, there is no conventional receiving plate in the drain tank 11A, which facilitates cleaning.
[0034]
As described above, according to the dehumidifier of Embodiment 3 of the present invention, the bearing 23 provided in the groove 22 provided in the outer wall portion of the drainage tank 11A and the bearing 23 is mounted via elastic force and rotated. And a float 25 provided with a shaft 24 that is freely provided. The bearing 23 is provided with a projection 23a. The shaft 24 is provided with an engaging portion 24a that engages with the projection 23a of the bearing 23. Since the float 25 can be set at a predetermined position by restricting the rotation range of 24, there is no need to provide a receiving plate for fixing the float position inside the drain tank 11A, and the drain tank 11A can be easily maintained. Further, since the rotation range of the float 25 is determined by the contact between the projection 23a of the bearing 23 and the engaging portion 24a of the shaft portion 24, it is called rattling when the float 25 comes into contact with a flat plate-shaped receiving plate having a large surface area. Noise can be prevented.
[0035]
(Example 3 )
As shown in FIGS. 13 to 17, the main body 8B is divided into left and right parts to form the left case 28A and the right case 28B, and the left case 28A and the right case 28A and the right case 28B are joined to the joint portion 29 of the left case 28A and the right case 28B with screws 30. A joining piece 31 for joining the case 28B is provided in each case. A rib 28a is provided at a position slightly away from the joint portion 29 of the left case 28A, which is the front side of the main body 8B where the screw 30 is provided, and a rib 28b is also provided at a position away from the joint portion 29 in the right case 28B. A decorative plate 33 having an inverted L-shaped cross section having an edge portion 32 that covers the screw 30 and engages the outside of the rib 28B is attached to the upper portion of the joint portion 29. A hooking hole 35 into which the hooking piece 34 provided at the upper end portion of the decorative plate 33 is fitted is provided at the upper portion of the joint portion, and a claw 36 is provided at the lower portion of the decorative plate 33 so that the claw 36 is engaged therewith. 37 is provided at the joint portion 29 in the vicinity of the drainage tank mounting port 14.
[0036]
In the above configuration, the left case 28A and the right case 28B are joined at the joining portion 29 by joining the joining pieces 31 provided on both of them with the screw 30 to form the main body 8B. Further, by attaching the decorative plate 33 to the joint portion 29, the edge 32 of the decorative plate 33 engages with the two types of ribs 28a and 28b provided on the left case 28A and the right case 28B, and the left case 28A and the right case 28B. Are joined more securely, and the left case 28A and the right case 28B are firmly joined without causing a gap.
[0037]
Further, by providing the decorative plate 33, the screw 30 is covered, so that the user cannot accidentally separate the main body 8B into the left case 28A and the right case 28B and the appearance is improved.
[0038]
When it is necessary to disassemble the main body 8B into the left case 28A and the right case 28B at the time of service repair, etc., the nail 36 engaged with the nail hole 37 is inserted with the finger from the drainage tank mounting opening 14 and the fingertip. After detaching from the claw hole 37, the screw 30 is exposed by removing the upper hooking piece 34 from the hooking hole 35. By loosening and removing the screw 30, the main body 8B is separated into the left case 28A and the right case 28B for repair. And can check.
[0039]
Thus, according to the dehumidifier of Embodiment 4 of the present invention, the drain tank 11B provided so as to be freely removable from the front surface of the main body 8B, the left case 28A and the right case 28B provided by dividing the main body 8B into left and right parts. A screw part that joins the left case 28A and the right case 28B with a screw 30 via a joining piece 31, and an edge that covers the screw part and engages with ribs 28a and 28b provided on the left case 28A and the right case 28B The left case 28A and the right case 28B are firmly joined so as not to generate a gap because the decorative plate 33 having the claw 36 which is hooked on the portion 32 and the upper part and can be operated and removed from the inside is provided at the lower part. At the same time, the appearance of the screw 30 to be joined is improved, so that separation is usually impossible.
[0040]
In addition, there is a convenient difference that a specialist can easily remove the decorative plate 33 and perform inspection and repair at the time of inspection service and repair.
[0041]
(Example 4 )
As shown in FIGS. 18 and 19, polyethylene or the like provided with a drain port 9 </ b> A that is formed of a hard resin such as polystyrene and detachably covers the upper opening of a drain tank 11 </ b> B provided with a tank cover 13 </ b> A at the front part. A tank cap 10A made of a soft resin is provided. When the drain tank 11B is mounted and set on the tank cap 10A from the drain tank mounting port 14A provided in the main body 8C, a convex portion 38 is provided which contacts and contacts the inner surface of the drain tank mounting port 14A.
[0042]
In the above configuration, since the drainage tank 11B is provided in the main body 8C so as to be detachable, a gap is provided between the drainage tank 11B and the drainage tank mounting port 14A. Due to this gap, the drainage tank 11B is mounted on the drainage tank. When attached to the opening 14A, the drainage tank 11B is attached to the left side or the right side of the drainage tank attachment opening 14A, so that it is displaced from the main body 8C, the appearance is bad, and the drainage tank 11B is attached. Therefore, there is a possibility that the drainage tank 11B rattles or the position shifts due to vibration or the like. However, the tank cap 10A that covers the upper opening of the drain tank 11B is formed of a soft resin, and the convex portion 38 of the tank cap 10A provided in the drain tank 11B when the drain tank 11B is mounted and set from the drain tank mounting port 14A. Is elastically engaged with the inner surface of the drain tank mounting port 14A and positioned so that there is no left-right displacement and front-back displacement of the drain tank 11B. Accordingly, it is possible to eliminate the poor appearance due to the displacement of the position of the drainage tank 11B with respect to the main body 8C and to reliably hold the drainage tank 11B without rattling.
[0043]
As described above, according to the dehumidifier of Embodiment 5 of the present invention, the tank cap 10A formed of a soft resin having the drain port 9A provided in a shape that detachably covers the upper opening of the drain tank 11B, and the tank cap When the drainage tank 11B is mounted and set at 10A from the drainage tank mounting port 14A provided on the main body 8C, the convex portion 38 is provided to contact the inner surface of the drainage tank mounting port 14A for positioning. It can be set without wobbling in the correct position, and the appearance is also improved.
[0045]
【The invention's effect】
As is clear from the above embodiments, according to the present invention, a main body having a dehumidifying means and a water receiving tray, a drain tank provided in the main body so as to be freely taken out, and water in the water receiving tray are supplied to the drain tank. A drain pipe provided for draining, and a lever provided with a seal portion that is configured to close an end portion of the drain pipe and that opens the end portion of the drain pipe when the drain tank is attached to the main body. The lower surface side of the water-receiving wall portion provided on the seal portion is provided with a water-receiving wall portion that receives the splashing of water facing the inner wall side of the main body adjacent to the seal portion. Therefore, it is possible to prevent water collected in the water tray when the drain tank is installed from splashing out of the drain tank and contaminating the floor surface. Opposite bottom Since cutaway side, water colliding with the sealing portion can provide a dehumidifier which can be drained to reliably drain tank leads water into the cutout portion prior to overcome the water receiving wall portion.
[0046]
A shaft provided with a bearing provided in a recessed groove provided on the outer wall of the drainage tank; and a float provided with a shaft provided on the bearing via an elastic force so as to be rotatable. Since the float can be set at a predetermined position by restricting the rotation range, it is not necessary to provide a receiving plate for fixing the float position in the drainage tank, and the surface area is increased by the contact between the bearing and the shaft portion. It is possible to prevent rattling noise caused by the float contacting the receiving plate.
[0047]
Also, a drainage tank provided so as to be freely removable from the front surface of the main body, a left case and a right case provided by dividing the main body into left and right parts, a screw part for joining the left case and the right case, and covering the screw part In addition, the left case and the right case are firmly attached to the left case and the right case because the edge and the upper part that engage with the rib provided on the right case are hooked and the nail that can be detached from the inside by operating from the inside is provided. In addition to being joined, the threaded portion is covered so that the appearance is good. Usually, the left case and the right case cannot be separated, and can be easily separated by a specialist during inspection service and repair.
[0048]
In addition, a tank cap formed of a soft resin or the like provided with a drain port in a shape that detachably covers the upper opening of the drain tank, and the drain tank is attached to the tank cap from a drain tank mounting port provided in the main body. When set, there is a convex part that contacts the inner surface of the drainage tank mounting port, so that the difference in appearance due to the displacement of the drainage tank relative to the main body can be eliminated, and the drainage tank can be reliably secured without shaking. Can be held in.
[Brief description of the drawings]
FIG. 1 is a top view showing a state of a seal portion when a drainage tank of a precondition example 1 is set. FIG. 2 is a top view showing a state of a seal portion before the drainage tank is set. FIG. perspective view showing a state of the seal portion for opening and closing the section [4] FIG cross-section of the dehumidifier [5] in example 1 of a perspective view and FIG. 6 the invention showing a state in which extraction drainage tank from the body The perspective view which shows the state of the seal part which opens and closes the edge part of a drain pipe [FIG. 7] The front view of the seal part which shows the flow of the drained water from the drain pipe [FIG. 8] The float of Example 2 of this invention FIG. 9 is a side view showing the position of the float when the drain tank is drought. FIG. 10 is a side view showing the position of the float when the drain tank is full. Relationship between reed switch and magnet during tank drought FIG. 12 is a cross-sectional view showing the relationship between the reed switch and the magnet when the drainage tank is full. FIG. 13 is a front view showing the relationship between the decorative board and the main body according to the third embodiment of the present invention. FIG. 14 is a front view showing a state in which the main body is attached to the decorative board. FIG. 15 is a sectional view showing a state in which the decorative board attached to the main body is removed. FIG. 17 is a perspective view of the main body showing a state where the decorative plate is attached to the main body. FIG. 18 is a side view of the drainage tank according to the fourth embodiment of the present invention. ] Cross-sectional view showing a state where the drainage tank is set in the main body [FIG. 20] Cross-sectional view of a conventional dehumidifier [FIG. 21] Cross-sectional view showing the relationship between the drain port of the dehumidifier and the lever [FIG. 22] FIG. 23 is a perspective view of a lever of another conventional drainage tank. Sectional view showing a state of a float during full capacity of a cross-sectional view FIG. 24 the waste water tank showing the state of the float in the drought during EXPLANATION OF REFERENCE NUMERALS
3 compressor (dehumidification means)
4 Condenser (dehumidification means)
5 Evaporator (dehumidification means)
6 Blower (dehumidification means)
7 Water pan 8 Body 8B Body 8C Body 8a Inner wall 10A Tank cap 11 Drain tank 11A Drain tank 11B Drain tank 14A Drain tank mounting port 15 Drain pipe 17 Seal part 17A Seal part 18 Lever 19 Water catch wall part 19A Water catch wall part 21 Notch portion 22 Concave groove 23 Bearing 24 Shaft portion 25 Float 28A Left side case 28B Right side case 28a Rib 28b Rib 30 Screw 32 Edge 33 Decoration plate 36 Claw 38 Protrusion

Claims (4)

A main body having a dehumidifying means and a water receiving tray inside, a drain tank provided in the main body so as to be freely removable, a drain pipe for guiding drainage from the water receiving tray to the drain tank, and an end of the drain pipe being closed And a lever portion provided with a seal portion where an end portion of the drainage pipe is opened when the drainage tank is attached to the main body, and the seal portion is provided on the inner wall side of the main body adjacent to the seal portion. opposed to providing water receiving wall portion for receiving from scattering of water, dehumidifier had a lower surface side notches facing the drain tank of the water receiving wall portion provided on the seal portion.  A main body having a dehumidifying means inside, a drainage tank provided in the main body so as to be removable, a bearing provided in a concave groove provided in an outer wall portion of the drainage tank, and an elastic force attached to the bearing. A dehumidifier that has a float provided with a shaft portion that is rotatably provided, and is configured to be able to set the float at a predetermined position by regulating a rotation range of the shaft portion relative to the bearing.  A main body having a dehumidifying means inside, a drainage tank provided so as to be freely removable from the front surface of the main body, a left case and a right case provided by dividing the main body into left and right, and the left case and the right case are connected to the front surface of the main body. And a decorative plate that covers the screw portion, has an edge portion that engages with a rib provided on the left side case and the right side case, and has a claw that is operated from the inside and is attached and removed at the bottom. A dehumidifier.  A main body having a dehumidifying means inside, a drainage tank provided in the main body so as to be removable, and a tank cap formed of a soft synthetic resin provided with a drainage port so as to detachably cover the upper opening of the drainage tank And a convex portion provided on the surface of the tank cap, and when the drainage tank is mounted from the drainage tank mounting port provided in the main body, the convexity is positioned in contact with the inner surface of the drainage tank mounting port. A dehumidifier configured as follows.

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