JP2002340353A - Bathroom heater and its installation method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bathroom heater and its installation method wherein even when a through-hole formed in a wall surface of the bathroom and a derivation hole formed in the body case are completely displaced. SOLUTION: There are provided a body case 11 which is mounted on a wall surface of a bathroom through a mounting plate and in which a heating mechanism section of a heat exchanger and the like is accommodated, and a front cover 17 fixed to a lower end of the body case 11. The body casing 11 is fixed to a mounting plate at its lower end with a screw. The body casing 11 includes on the back surface side a tube accommodation recessed section 11b for guiding a connection tube derived to the outside, in the state where it is connected with the heat exchanger up to a vent hole formed in the wall surface. On the bottom of the body casing 11 there is formed a cutaway section 11d from which the tube accommodation recessed section 11b is opened, and there is mounted demountably a case bottom member 12 for shielding the cutaway section 11d, a front cover 17, and a screwing section of the body case 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathroom heater for heating a bathroom by blowing hot air into the bathroom by using heat of hot water supplied from a hot water heating heat source device, and a method of installing the bathroom heater. The present invention relates to a bathroom heater excellent in workability and a method for installing the same.

[0002]

2. Description of the Related Art As shown in FIGS. 15 (a) and 15 (b) and FIGS. 16 (a) and 16 (b), this type of hot water type bathroom heater / dryer exchanges heat between hot water and air. Heat exchanger 52
A main body case 51 having an open front side, in which a heating mechanism including a circulation fan 53 for blowing air sucked from the bathroom into the bathroom through the heat exchanger 52 is housed;
To cover the open front side of the main body case 51,
A front cover 54 screwed to the lower end of the main body case 51 is provided. The heat exchanger 52 housed in the main body case 51 has a hot water pipe and a connection tube from a hot water heating heat source device installed outdoors. Hot water is supplied via HC.

[0003] The connection tube HC and the bathroom heater / dryer 5
As shown in FIG. 16 (a), the electric wires EW such as the power supply line 0 are drawn out of the machine through a drawing hole 51a formed on the back surface of the main body case 51, and then the bathroom heater / dryer on the wall surface of the bathroom. In the mounting area 50, the main body case 51 is drawn out through a through hole such as a ventilation hole formed at a position corresponding to the drawing hole 51a.

In order to install such a bathroom heater / dryer 50 in a bathroom, first, as shown in FIG. 17 (a), the bathroom heater / dryer 50 is placed at a predetermined position within a mounting area EA of the bathroom heater / dryer 50 on the wall surface of the bathroom. After forming the through hole TH such as a ventilation hole, the mounting plate 60 is screwed to a predetermined position in the mounting region, and the bathroom heating / drying device 50 is fixedly mounted on the mounting plate 60,
As shown in FIG. 2B, the bathroom heating / drying machine 50 is mounted on the wall surface of the bathroom.

As shown in FIG. 1A, the mounting plate 60 has a plurality of screw holes 61 for fixing screws to a wall surface of a bathroom.
a is formed at a predetermined position, a pair of left and right locking claws 62 projecting upward so as to slightly project forward from the upper end of the substrate 61, and projecting forward from the lower end of the substrate 61 In addition, the fixing piece 63 in which the screw hole 63a is formed
In a state where the hooks are hooked by inserting the locking claws 62 of the mounting plate 60 fixed to the wall surface of the bathroom into the insertion holes formed on the upper rear surface of the main body case 51 of the bathroom heating / drying machine 50. When the fixing piece 63 is screwed to the lower end of the main body case 51, the bathroom heater / dryer 50 is installed and fixed to the mounting plate 60.

Subsequently, by removing the fixing screw of the front cover 54 and removing the front cover 54 from the main body case 51, the heating mechanism housed in the main body case 51 is exposed, and FIG. As shown in (b), the connecting tube HC is connected to the hot water coil of the heat exchanger 52, and the connecting tube HC is formed on the back surface of the main body case 51 together with the electric wires EW such as the power line of the bathroom heating / drying machine 50. After being drawn out through the drawn out hole 51a and the through hole TH formed at a position corresponding to the drawn out hole 51a, as shown in FIGS. 15 (a) and (b),
When the front cover 54 is screwed to the main body case 51 again, the installation of the bathroom heater / dryer 50 in the bathroom is completed.

[0007]

By the way, a through hole TH for pulling out the connection tube HC and the electric wires EW outside.
May not always be formed at a position corresponding to the draw-out hole 51a of the main body case 51 in the installation area EA of the bathroom heating / drying machine depending on the situation inside the bathroom or outdoors.

In the case where a ventilation opening such as a ventilation gallery has already been formed on the wall surface of the bathroom, the connection tube HC and the electric wires and the like can be used without forming a new through hole by using such an existing ventilation opening. It is desired to bring out the EW outdoors, but when trying to use the existing ventilation openings,
Depending on the position where the ventilation opening is formed, the mounting position of the bathroom heating / drying device 50 can be set such that the ventilation opening always comes to a position corresponding to the extraction hole 51a formed on the back surface of the main body case 51. This is not always the case, and the existing ventilation port may be completely displaced from the extraction hole 51a formed on the back surface of the main body case 51.

As described above, when the through hole TH formed in the wall surface of the bathroom is completely displaced from the drawing hole 51a of the main body case 51, the connection tube HC and the electric wires EW connected to the hot water coil are removed. It is not possible to pass through the through hole TH formed in the bathroom wall from the front side of the bathroom heater / dryer 50 fixed to the bathroom wall via the mounting plate 60, and the bathroom heater / dryer 50 can be efficiently moved in a short time. However, there is a problem that it cannot be installed in the bathroom.

[0010] Therefore, an object of the present invention is to provide a connecting tube and electric wires for a short time even when the through hole formed in the wall surface of the bathroom and the drawing hole formed in the main body case are completely displaced. It is an object of the present invention to provide a bathroom heater that can be efficiently drawn out to the outside and a method for installing the bathroom heater.

[0011]

Means for Solving the Problems and Their Effects In order to solve the above-mentioned problems, the invention according to claim 1 comprises a main body case accommodating a heating mechanism including a heat exchanger, and an opening of the main body case. With a front cover that covers the front side
The locking claw of the mounting plate fixed to the wall surface of the bathroom is fixed to the wall surface of the bathroom in a state of being hooked so as to be inserted into an insertion hole formed in the upper rear part of the main body case, and is fixed to the heat exchanger. In a bathroom heater configured to pull out a connection tube to be connected to an outside through a drawing hole formed in a back surface of the main body case and a through hole formed in a wall surface of the bathroom, the main body case has a rear side. And a tube receiving recess for guiding the connection tube drawn out from the drawing hole to the through hole, and a cutout for opening the tube receiving recess is formed on the bottom surface of the main body case. In addition, the present invention provides a bathroom heater in which a case bottom member for concealing the notch is detachably mounted.

In the case where the draw-out hole of the main body case in the bathroom heater constructed as described above and the through-hole formed in the wall surface of the bathroom are completely displaced, the through-hole is formed. Fixing the mounting plate to the wall surface of the bathroom, and drawing out the connection tube connected to the heat exchanger from the drawing hole formed on the back surface of the main body case, and then mounting the bathroom heater on the mounting plate. A step of hooking and supporting the locking claw of the case, and removing the case bottom member and pulling the lower part of the bathroom heater toward the front, pulling out the connection tube pulled out from the drawing hole of the main body case, A step of pulling out from the through-hole formed in the wall surface of the bathroom to the outside while being along the back surface of the main body case in the tube receiving recess, and fixing the bathroom heater to the mounting plate. When, the case bottom member and a step of attaching to the main body casing can be installed in a short time efficiently in the bathroom by installation method of the invention according to claim 4.

In particular, in this bathroom heater, a notch is formed on the bottom surface of the main body case, and a case bottom member for concealing the notch is detachably mounted. When the case bottom member is detached when being drawn to the near side, the tube receiving recess formed on the rear side of the main body case is opened downward by the cutout formed on the bottom surface of the main body case. As a result, a sufficient work space is secured by slightly pulling the lower part of the bathroom heater slightly toward the front side, and the work of drawing out the connection tubes and electric wires to the outside can be efficiently performed.

According to a second aspect of the present invention, the front cover is screwed to a lower end of the main body case, and the case bottom member is connected to the main body case. In the case where the screw fixing portion of the front cover with respect to the main body case is concealed in a state where the screw fixing portion is mounted on the main case, it is necessary to separately provide a screw cover for concealing the screw fixing portion of the front cover with respect to the main body case. And the number of parts can be reduced, so that product cost can be reduced.

Further, as in the bathroom heater according to the third aspect of the present invention, the lower end of the main body case projects forward from the lower end of the mounting plate when the front cover is mounted. The case bottom member is adapted to conceal a screwing portion of the main body case with respect to the mounting plate when the case bottom member is mounted on the main body case. After removing the case bottom member from the main body case, pull out the connection tube and electric wires to the outside and screw the main body case to the fixing piece of the mounting plate, and then attach the case bottom member to the main body case. By mounting, it is possible to simultaneously conceal both the screw fixing part of the front cover to the main body case and the screw fixing part of the main body case to the mounting plate. There is no need to separately provide a Bisukaba to conceal the screws of the main body case for further
Product cost can be reduced.

[0016]

Embodiments will be described below with reference to the drawings. This bathroom heater / dryer 1 is shown in FIG.
As shown in FIGS. 2A to 2C and FIG. 2, a main body case 11 having an open front surface and a front cover 17 covering the front side of the main body case 11 are mounted on a wall surface of a bathroom via a mounting plate. In the main body case 11, as shown in FIG. 2, hot water and air supplied from a hot water heating heat source device installed outdoors via a hot water pipe and a connection tube HC (see FIG. 6) are provided. , A circulating fan 14 installed on the back side of the heat exchanger 13, a fan drive motor 15 for driving the circulating fan 14, A louver 16 for adjusting the wind direction is provided at a hot air outlet formed on the side.

A ventilation fan is not mounted in the main body case 11, but is passed through a ventilation hole formed in a mounting area of the bathroom heater / dryer 1 on a bathroom wall surface by a ventilation fan unit separately installed outdoors. The humid air in the bathroom is exhausted to the outside, and a heat exchanger 13 is provided on the back of the main body case 11 as shown in FIG.
Connection tube HC (see FIG. 6) for interconnecting the hot water coil and the hot water pipe connected to the hot water heating heat source device, and the electric wires EW such as the power line of the bathroom heating / drying device 1 to be drawn out of the machine. Is formed.

As shown in FIG. 3, when the outlet hole 11a formed in the main body case 11 and the ventilation hole are completely displaced from each other, as shown in FIG.
It has a tube accommodating recess 11b for guiding the connection tube HC (see FIG. 6) drawn out of the machine 1a to the ventilation hole. Is formed with an insertion hole 11c.

FIG. 4 shows a bottom view of the main body case 11.
As shown in (a), a notch 11d that partially opens the back side is formed corresponding to the hot air outlet, and a case bottom member 12 that covers the notch 11d is detachably attached. (See FIG. 1C). As shown in FIGS. 5A to 5C, the case bottom member 12 has a cutout 1.
From the front end of the bottom plate 12a that covers
2b is raised, and a pair of left and right protrusions 12c and 12d formed at both ends and a center portion of the bottom plate 12a are engaged with engagement holes 11e and 11f formed on the bottom surface of the main body case 11, respectively. The main body case 11 holds the main body. In addition, this case bottom member 1
2 is attached to the main body case 11, a screw fixing portion α of the front cover 17 to the main case 11 and a screw fixing portion β of the main case 11 to the mounting plate, which will be described later.
(See FIG. 4B) is concealed by the front plate 12b (see FIG. 13).

The front cover 17 is shown in FIGS.
As shown in FIG. 6C and FIGS. 6A and 6B, a cover main body 18 is screwed to a lower end of the main body case 11 and a front grille 19 covers a front surface of the cover main body 18. And the front grille section 19 is
8 so that the front surface of the arm 19a can be opened.
It is supported on the upper side of the cover main body 18 via an opening so as to be openable and closable. When the front grille 19 is opened, a locking projection (not shown) formed on the arm 19a.
Is held in that state by engaging with a locking portion (not shown) formed on the cover main body 18.

The cover body 18 includes a heat exchanger 13 at a portion concealed when the front grille 19 is closed.
A plurality of air suction openings 18a are formed to open the front side of the heat exchanger 13, and when the front grille 19 is opened, the connection tube H is disposed on the side of the heat exchanger 13.
A working opening 18b is formed to open a working space for performing various works such as a connection work of C to the front side.

As shown in FIGS. 7 (a) and 7 (b), a mounting plate for mounting the bathroom heater / dryer 1 on a bathroom wall is provided with a substrate 31 screwed to the bathroom wall, and A pair of left and right locking claws 32 projecting upward from the upper end of the base plate 31 slightly, and a fixing piece 33 having a screw hole 33a projecting forward from the lower end of the substrate 31.
As shown in FIG. 8, the locking claw 32 of the mounting plate 30 fixed to the wall surface of the bathroom is inserted into an insertion hole 11c formed on the upper rear surface of the main body case 11 of the bathroom heating / drying machine 1. The fixing piece 33 is screwed to the lower end of the main body case 11 in a state where a gap S of about several mm is formed between the back surface of the bathroom heating / drying machine 1 and the wall surface of the bathroom. The bathroom heater / dryer 1 is mounted on a wall surface of the bathroom. In this manner, the air in the bathroom is sucked from the gap S formed between the bathroom heater / dryer 1 and the wall surface of the bathroom, and formed in the mounting area of the bathroom heater / dryer 1 on the bathroom wall surface. The air is exhausted outside through the ventilation holes.

The substrate 31 has a width that is about 1/3 of the width of the bathroom heater / dryer 1, and an opening larger than the diameter of a ventilation hole formed in the wall surface of the bathroom at the center thereof. 31a
Are formed. As shown in FIG. 9, the mounting plate 30 is located at the center in the width direction of the bathroom heating / drying machine 1, that is,
The mounting area EA of the bathroom heater / dryer 1 is fixedly installed at the center of the mounting area EA of the bathroom heater / dryer 1 on the wall surface of the bathroom. In the opening 31a formed in the base 31 and the mounting plate 30
The ventilation holes are formed on both left and right sides of the space.

As shown in FIG. 7 (a), a plurality of screw holes 31b are formed at the four corners of the substrate 31 for screwing to the wall surface of the bathroom, and all the screw holes 31b are vertically elongated. Is formed. Therefore, when the mounting plate 30 is screwed to the wall surface of the bathroom, even if the screwing position is slightly shifted, the mounting plate 30 is appropriately shifted in the vertical direction within the range of the vertically formed screw hole 31b, Mounting plate 3
0 can be fixed horizontally to the bathroom wall.

The bathroom heater / dryer 1 configured as described above
The method of installing the device in the bathroom using the mounting plate 30 will be described below. First, after confirming the outdoor situation and the situation in the bathroom, as shown in FIG. 10, after determining the mounting area EA of the bathroom heater / dryer 1 on the wall surface of the bathroom, the determined bathroom heating / dryer 1 A ventilation hole EH is formed in the mounting area EA. The formation position is a regular position corresponding to the drawer hole 11a formed on the back surface of the main body case 11 of the bathroom heating / drying machine 1, as shown by a solid line in FIG. It is most preferable that the ventilation hole EH is formed at the proper position due to outdoor conditions or the like, but when the ventilation hole EH cannot be formed at the proper position, as shown by a two-dot line in FIG. Alternatively, it may be formed in the opening 31 a formed in the mounting plate 30 or on the left side of the mounting plate 30.

When the ventilation hole EH is formed in the wall surface of the bathroom in this manner, the ventilation pipe is inserted and fixed in the ventilation hole EH. In this case, as shown in FIG. The end of the EP on the bathroom side is inserted into a rubber bush 21 having a flange portion 22 and the aluminum tape AT is wound around the bush 21 to fix both ends, and the entire circumference of the base end portion on the inner side of the flange portion 22 of the rubber bush 21. In the state where the sealing material SM is applied to the inside of the bathroom, as shown in FIG. 4B, the sealing member SM is inserted into the ventilation hole EH and fixed.
And 2 are sealed. Thus, when exhausting the humid air in the bathroom to the outside, the air is prevented from entering the outer wall from the ventilation hole EH.

Subsequently, as shown in FIG. 12, the substrate 31 is screwed to the wall surface of the bathroom, so that the mounting plate is placed at a predetermined position (central portion in the width direction) within the mounting area EA of the bathroom heater / dryer 1. After fixing 30, the bathroom heater / dryer 1 will be mounted on the wall surface of the bathroom via the mounting plate 30. The following operations are performed when the ventilation hole EH is formed at a regular position. The description will be made separately for the case where the antenna is formed at other positions. FIG. 12 shows a state in which the ventilation holes EH are formed at regular positions.

First, when the ventilation hole EH is formed at a regular position, with the case bottom member 12 removed,
The bathroom heating / drying machine 1 is hooked on the locking claw 32 of the mounting plate 30 by inserting the locking claw 32 of the mounting plate 30 into the insertion hole 11 c formed in the upper rear portion of the main body case 11 of the bathroom heating / drying machine 1. In this state, the bathroom heater / dryer 1 is completely fixed to the mounting plate 30 by screwing the lower end of the main body case 11 to the fixing piece 33 of the mounting plate 30, and then the case bottom member 12 is attached to the main body case 11. By mounting, the screwing portion and the screwing portion of the front cover 17 with respect to the main body case 11 are concealed (see FIG. 13).
In this state, as shown in FIG. 13, the projection 23 formed on the flange 22 of the rubber bush 21 attached to the ventilation pipe EP is in contact with the back surface of the main body case 11, so that the wall 23 Sealed rubber bush 2
The first flange portion 22 does not separate from the wall surface of the bathroom, so that the occurrence of seal breakage is reliably prevented.

Thereafter, as shown in FIG. 6, the work space is opened by opening the front grill portion 19 of the front cover 17, and the connection tube HC is heat-exchanged in the work opening 18b formed in the main body cover 18. The connection tube HC is connected to the hot water coil of the vessel 13 and the end of the connecting tube HC is placed at a regular position corresponding to the drawing hole 11a formed on the back surface of the main body case 11 together with the electric wires EW such as the power supply wire. When the front grill portion 19 is closed after being drawn outside through the open ventilation pipe EP, the attachment of the bathroom heating / drying machine 1 to the bathroom wall surface is completed.

On the other hand, when the ventilation hole EH is not formed at a regular position, and the ventilation hole EH and the drawing hole 11a are completely displaced, before the bathroom heating / drying machine 1 is mounted on the mounting plate 30, The work space is opened by opening the front grille portion 19 of the front cover 17, and the connection tube HC is connected to the hot water coil of the heat exchanger 13 in the work opening 18b formed in the main body cover 18, and After the connection tube HC is pulled out from the drawing hole 11a formed on the back surface of the main body case 11 together with the electric wires EW such as the power supply line, the front grill portion 19 is closed.

Subsequently, the connecting tube H
After the bathroom heating / drying machine 1 in which C and the electric wires EW are drawn out of the machine (back side) is hooked on the locking claws 32 of the mounting plate 30 fixed to the wall surface of the bathroom as described above, FIG. 14
As shown in (a) and (b), the case bottom member 12 is removed, and the lower part of the bathroom heating / drying machine 1 is pulled toward the front side to secure a certain space between itself and the wall surface of the bathroom. The connection tube HC and the electric wires EW drawn out to the rear side of the main body 11 are drawn along the rear surface of the main body case 11 in the tube accommodating recess 11b, and the ventilation holes EH
And is drawn out through the ventilation pipe EP.

Finally, the lower end of the main body case 11 is screwed to the fixing piece 33 of the mounting plate 30, and then the case bottom member 12 is fixed.
Is attached to the main body case 11 so that the notch 11b formed on the bottom surface of the main body case 11 and the main body case 1
When the screw fixing portion α of the front cover 17 with respect to the mounting plate 30 and the screw fixing portion β of the main body case 11 with respect to the mounting plate 30 are concealed, the mounting of the bathroom heater / dryer 1 on the bathroom wall surface is completed.

Also, without newly forming a ventilation hole,
When using an existing ventilation port formed on the wall surface of the bathroom, the existing ventilation port is located in the opening 31a formed in the mounting plate 30 or in one of the left and right regions with the mounting plate 30 interposed therebetween. After determining the mounting position of the bathroom heating / drying machine 1 and performing predetermined processing on the ventilation port, the bathroom heating / drying machine 1 is attached to the bathroom using the mounting plate 30 by the method described above. Attach it to the wall. In addition, when using the existing ventilation port, the connection tube HC and the electric wires EW
In consideration of the draw-out workability, it is desirable to set the mounting position of the bathroom heater / dryer 1 so that the existing ventilation opening is located as close to the regular formation region of the ventilation hole as possible.

As described above, this bathroom heater / dryer 1
A notch 11d is formed on the bottom surface of the main body case 11, and a case bottom member 12 for concealing the notch 11d.
Is attached detachably, so that when the ventilation hole EH formed in the wall surface of the bathroom and the extraction hole 11a of the main body case 11 are completely displaced, the connection tube HC pulled out from the extraction hole 11a to the outside of the machine. Bathroom heater / dryer 1 to secure a work space for guiding the wires and wires EW to the ventilation holes EH.
When the lower portion of the housing is pulled toward the front side, by removing the case bottom member, the notch portion 11d formed on the bottom surface of the main body case 11 of the bathroom heater / dryer 1 opens the tube housing recess 11b downward. Therefore, a sufficient work space is secured by slightly pulling the lower part of the bathroom heater / dryer 1 toward the user, and the work of drawing out the connection tube HC and the electric wires EW can be performed efficiently.

In this bathroom heating / drying machine 1, the front cover 17 (cover main body 18) is screwed to the lower end of the main body case 11, and the lower end of the main body case 11 to which the front cover 17 is screwed is attached. Since the screws 30 are fixed to the fixing pieces 33 of the plate 30, such screwing portions α and β must be concealed. However, in order to conceal the notch 11 d formed on the bottom surface of the main body case 11. By attaching the case bottom member 12 to the main body case 11, the front cover 17
Body case 11 for screwing portion α and mounting plate 30
Since the screw fixing portions β are simultaneously concealed, there is no need to separately provide a screw cover for concealing the screw fixing portions α of the front cover 17 with respect to the main body case 11. Therefore, the number of parts is reduced, the product cost can be reduced, and the case bottom member 12 itself is a relatively large member. When the bathroom heating / drying machine is installed in the bathroom as in the bathroom heating / drying machine, there is no risk of losing the screw cover.

In the above-described embodiment, a bathroom heater / dryer of a type in which a ventilation fan unit is separately installed outdoors has been described. However, the present invention is not limited to this.
It goes without saying that the present invention can also be applied to a bathroom heating / drying machine in which a ventilation fan is mounted in the main body case or a bathroom heating / drying machine having no ventilation function.

In the above-described embodiment, the cover body 18 having the working opening 18b is provided so that the front cover 17 does not have to be removed from the body case 11 when the cover body is installed in the bathroom. Although a front cover 17 having an openable / closable front grille 19 covering the front surface of the front cover 18 is used, the present invention is not limited to this, and the present invention attaches the front cover to a bathroom wall with the front cover removed. Needless to say, the present invention can also be applied to a conventional bathroom heating / drying machine.

[Brief description of the drawings]

FIG. 1A is a front view showing a bathroom heater / dryer as an embodiment of a bathroom heater according to the present invention, FIG. 1B is a side view showing the bathroom heater / dryer, and FIG. It is a bottom view which shows the bathroom heating dryer.

FIG. 2 is a front view showing a state in which a front cover in the bathroom heating / drying machine is removed.

FIG. 3 is a cross-sectional view showing a bathroom heating / dryer according to the first embodiment;

FIG. 4A is a bottom view showing a state in which a case bottom member is removed from the bathroom heating / drying machine, and FIG. 4B is a front view thereof.

FIG. 5A is a front view showing a case bottom member according to the embodiment;
(B) is a bottom view showing the same case bottom member, and (c) is a side view showing the same case bottom member.

FIG. 6 (a) is a front view showing a state where a front grill portion of the bathroom heating / drying machine is opened, and FIG. 6 (b) is a side view showing the state.

FIG. 7A is a front view showing a mounting plate of a bathroom heating / drying machine, and FIG. 7B is a side view showing the mounting plate of the same.

FIG. 8 is a side view showing a state in which the bathroom heating / dryer is mounted on a wall surface of the bathroom using the mounting plate according to the embodiment.

FIG. 9 is a schematic view showing a fixing position of the mounting plate in the mounting area of the bathroom heating / drying device.

FIG. 10 is a process chart showing an operation of attaching the bathroom heating / drying machine using the same mounting plate.

FIGS. 11 (a) and 11 (b) are process diagrams showing an operation for mounting a bathroom heater / dryer using the same mounting plate.

FIG. 12 is a process diagram showing an operation of mounting the bathroom heating / drying machine using the mounting plate according to the embodiment.

FIG. 13 is a process chart showing an operation of mounting the bathroom heating / drying device using the mounting plate according to the embodiment.

FIGS. 14 (a) and (b) are process diagrams showing an operation for mounting a bathroom heater / dryer using the same mounting plate when a ventilation hole is not formed at a regular position.

FIG. 15 (a) is a front view showing a conventional bathroom heating / drying machine, and FIG. 15 (b) is a side view showing the same bathroom heating / drying machine.

FIG. 16A is a front view showing a state in which the front cover is removed from the bathroom heating / drying machine, and FIG. 16B is a side view showing the state.

FIGS. 17 (a) and (b) are process diagrams showing an operation for mounting a bathroom heater / dryer using the same mounting plate.

[Explanation of symbols]

 Reference Signs List 1 bathroom heater / dryer (bathroom heater) 11 main body case 11a drawer hole 11b tube housing recess 11c insertion hole 11d cutout portion 12 case bottom member 12a bottom plate 12b front plate 17 front cover 18 cover body 19 front grill portion 21 rubber bush 30 Mounting plate EA Mounting area for bathroom heater / dryer EH Ventilation hole (through hole) EP Ventilation pipe EW Electric wires HC Connection tube α, β Screw stop

Claims (4)

[Claims] 1. A main body case in which a heating mechanism including a heat exchanger is accommodated, and a front cover that covers an open front side of the main body case, wherein an attachment plate fixed to a wall surface of a bathroom is locked. A nail is fixedly mounted on a wall of a bathroom in a state where the nail is hooked so as to be inserted into an insertion hole formed on an upper portion of the rear surface of the main body case, and a connection tube connected to the heat exchanger is provided on a rear surface of the main body case. In the bathroom heater configured to be drawn out to the outside through a drawing hole formed in the through hole and a through hole formed in the wall surface of the bathroom, the main body case has a connection tube drawn out from the drawing hole on the back side thereof. A tube receiving recess for guiding to the through hole; a cutout for opening the tube receiving recess is formed on the bottom surface of the main body case, and the cutout is concealed; Bathroom heater, characterized in that the case bottom member is detachably attached. 2. The front cover is screwed to a lower end portion of the main body case, and the case bottom member is attached to the main body case when the front cover is attached to the main body case. The bathroom heater according to claim 1, wherein the screw stopper is concealed. 3. The main body case, in a state where the front cover is mounted, has a lower end screwed to a fixing piece projecting forward from a lower end of the mounting plate. 3. The bathroom heater according to claim 2, wherein the bottom member conceals a screw fixing portion of the main body case with respect to the mounting plate when mounted on the main body case. 4. 4. The installation method of a bathroom heater according to claim 1, 2 or 3, wherein the step of fixing the mounting plate to a wall surface of the bathroom in which the through hole is formed; After pulling out the connected connection tube from the draw-out hole formed on the back surface of the main body case, a step of supporting the bathroom heater by hooking a locking claw of the mounting plate, and removing the case bottom member. In a state where the lower part of the bathroom heater is pulled forward, the hot water tube pulled out from the draw-out hole of the main body case is moved along the back surface of the main body case in the tube accommodating recess, and the wall surface of the bathroom. A bathroom, comprising: a step of pulling out the bathroom heater from the through hole formed in the body; a step of fixing the bathroom heater to the mounting plate; and a step of mounting the case bottom member to the main body case. Installation of humor machine.