JP3232874B2 - FF type heater - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an FF heater using gas or oil as fuel.

[0002]

2. Description of the Related Art Generally, a combustor of this type has a back cover 52 attached to the back of an equipment body 51 as shown in FIG. 4, and an extended supply / exhaust pipe (not shown) on the back of the equipment body. When connecting the exhaust pipes 53 and 54, a punched portion provided in the rear cover 52 is punched to form a through hole 55, which is extended to a predetermined location through the extended supply / exhaust pipes 53 and 54 in the through hole 55. It was like.

[0003]

However, in the above-described conventional configuration, there is a problem that it takes time to install and remove the device main body 51. That is, in the above configuration, since the loop-shaped through-hole 55 is formed by punching out the punched portion of the back cover 52, the loop-shaped through-hole 55 is extended and supplied to the through-hole 55 of the back cover 52 in order to install or remove the device body.・ Exhaust pipes 53, 54
It is necessary to remove the rear cover 52 from the device main body 51 when passing or removing the device, and there is a problem that a very troublesome operation of attaching and detaching the large rear cover 52 in a narrow gap between the wall and the wall is required. .

An object of the present invention is to solve such a conventional problem, and an object of the present invention is to make it possible to easily install and remove an apparatus main body.

[0005]

In order to achieve the above object, the present invention provides an apparatus body having a supply / exhaust port on the back,
A back cover attached to the back of the device main body and covering a gap between the device main body and the wall surface; and an extension connected to the supply / exhaust port of the device main body and extending through the back cover to a predetermined position. A supply / exhaust pipe, and a cutout portion is formed in a portion of the back cover that penetrates the extended supply / exhaust pipe, and the opening of the cutout portion is closed to form the extended supply / exhaust portion. An auxiliary plate forming a through hole through which the exhaust pipe is inserted is detachably attached, and the auxiliary plate is punched for forming a through hole through which an extended supply / exhaust pipe is inserted into a portion facing the notch. A locking claw is formed on one of the opposite sides and a screw hole is formed on the other side, and the locking claw on the one side is locked by a locking portion formed on the back cover, and the other side is screwed on the back cover. The auxiliary plate is provided with an engaging part Formed and, have configured the engaging portion by Kakarito the edge lower surface of the notch of the rear cover so as to sandwich the rear cover between the locking pawl.

[0006]

According to the present invention, the auxiliary plate is removed from the back cover to open the opening of the notch when installing or removing the main body of the apparatus, and the apparatus is installed as it is, that is, with the rear cover attached to the main body of the apparatus. If the main body is pushed into the wall side or pulled out from the wall side, the back cover and the extended supply / exhaust pipe can be attached / detached, and the installation / removal of the apparatus main body can be easily performed.

Further, since the notch of the back cover is connected by covering the opening with an auxiliary plate, sufficient strength can be secured.
Also, prevent a large opening from being left between the extended supply / exhaust pipe and accidentally putting your hand through the opening and touching the blower for hot air supply on the back of the device to prevent injury. The original function of the back cover can be reliably maintained.

Further, since the auxiliary plate only needs to be fixed at one end with a locking claw and only the other is fixed with a screw, the auxiliary plate itself can be easily attached and detached, and the installation and removal of the apparatus body can be further simplified.

When the extended supply / exhaust pipe is not used,
The auxiliary plate can engage the engaging portion formed in the punched portion with the lower surface of the edge of the notch of the rear cover so that the rear cover can be sandwiched by the locking claw, and the auxiliary plate is attached to the rear cover. It can be fixed securely.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 3. Reference numeral 1 denotes a main body of an FF type hot air heater, and a back side thereof is connected to a combustion section 2 in the main body.・ Exhaust ports 3 and 4 are exposed. 5 is a blower for supplying hot air attached to the upper part of the device main body 1, 6 is a back cover screwed to the back of the device main body 1, and covers a gap T between the device and the wall surface 7. Reference numerals 8 and 9 denote extended supply / exhaust pipes connected to the supply / exhaust ports 3 and 4 of the device body 1, respectively.
At a predetermined location.

As shown in FIG. 3, a notch 10 is formed in the extended supply / exhaust pipe penetrating portion of the back cover 6, and an auxiliary plate 11 is mounted on the notch 10. The auxiliary plate 11 has a punched portion 13 formed at a portion facing the cutout portion 10, and the extended supply / exhaust pipe 8 is formed by punching the punched portion 13 together with the cutout portion 10 of the back cover 6. , 9 are formed, that is, the opening 10A is formed in such a shape as to close the opening 10A except for a portion of the notch 10 facing the opening 10A. In addition, the auxiliary plate 11 may have a shape in which the punching portion 13 is punched in advance.

The auxiliary plate 11 has a locking claw 14 formed on one side of the device main body 1 and a stepped engaging portion 15 formed on an end side of the punching portion 13 on the device main body 1 side. A screw stop hole 16 is formed on the opposite side of the wall surface 7. A locking claw 14 is locked in a locking hole 17 formed in the rear cover 6, and a screw 18 inserted through the screw locking hole 16 is inserted into the rear cover 6. It is screwed into the screw hole 19 formed in the above and is detachably attached.

When the auxiliary supply / exhaust pipes 8 and 9 are not used, the engaging portion 15 of the punching portion 13 engages with the lower surface of the notch 10 of the rear cover 6 and is locked. Claws 14
Thus, the rear cover 6 is sandwiched therebetween, so that the rear cover 6 can be fixed without play.

In the above configuration, this FF type hot air heater has the back cover 6 attached to the equipment main body 1 and the auxiliary plate 11 attached to the back cover 6 in advance. When installing the equipment main body 1, first remove the screw 18. Then, the auxiliary plate 11 is removed from the rear cover 6. Thereby, the notch 1 of the back cover 6
In the case of 0, the opening 10A is opened. Therefore, this opening 1
The extended supply / exhaust pipes 8 and 9 may be pushed into the notch 10 from 0A. , 9
Can be passed through the back cover 6. Then the auxiliary plate 11
The auxiliary plate 11 may be attached to the notch 10 of the rear cover 6 so as to cover the opening 10A. The auxiliary plate 11 is very small compared to the rear cover 6 and is therefore extremely simple. Can be attached to

The auxiliary plate 11 is attached to the rear cover 6 by inserting the locking claws 14 into the locking holes 17 of the rear cover 6 and screwing the opposite screw holes into the screw holes of the rear cover 6. Therefore, the mounting of the auxiliary plate 11 itself can be easily performed with a small number of screws.

When the device body 1 is to be detached, the opposite operation may be performed.
, The extended supply / exhaust pipes 8 and 9 can be removed from the rear cover 6, and subsequent maintenance can be easily performed. That is, in any case, only the small auxiliary plate 11 needs to be removed, and the device main body 1 can be installed and removed without removing or attaching the large back cover 6 from the device main body.

On the other hand, the rear cover 6 after the auxiliary plate 11 has been attached is formed in such a manner that the opening 10A of the notch 10 is connected and closed by the auxiliary plate 11, so that the notch 10 is provided. Can be compensated for, and sufficient strength can be secured. If the opening 10A of the notch 10 is left open, a large opening remains between the rear cover 6 and the extended supply / exhaust pipes 8 and 9 so that an object may fall from the opening or the user may fall. Although it is conceivable that the user touches the blower with his / her hand and injuries, the opening 10A is covered with the auxiliary plate 11, so there is no such concern, and the original function of the rear cover 6 can be surely exhibited. it can.

When the extended supply / exhaust pipes 8 and 9 are not used, the notch 10 of the rear cover 6 is attached to the auxiliary plate 11 with the punched portion 13 remaining, so that the auxiliary plate 11 can be used. At this time, the auxiliary plate 11 engages the engaging portion 15 of the punching portion 13 with the lower surface of the edge of the cutout portion 10 of the rear cover 6 so that the rear cover 6 is engaged with the locking claw 14. Since it is sandwiched, even if the locking claw 14 is merely inserted, it can be fixed securely without floating or rattling from the back cover 6.

[0019]

As is clear from the above description of the embodiment, according to the present invention, the attachment and detachment of the auxiliary plate makes it possible to attach and detach the back cover and the extended supply / exhaust pipe. It will be very easy to do.

Further, in the case where the auxiliary plate is attached to the auxiliary plate by means of a locking claw and a screw, the auxiliary plate itself can be easily attached and detached, and the installation and removal of the device body can be further simplified. is there.

Further, in the case where the engaging portion formed in the punched portion of the auxiliary plate is engaged with the lower surface of the edge of the cutout portion of the rear cover so that the rear cover is sandwiched between the locking claws. When the extended supply / exhaust pipe is not used, the auxiliary plate can be fixed to the back cover without rattling, and there is an advantage that the appearance can be improved.

[Brief description of the drawings]

FIG. 1 is a sectional view of an FF type heater according to an embodiment of the present invention.

FIG. 2 is an enlarged sectional view showing a main part of the FF type heater.

FIG. 3 is an exploded perspective view of a main part of the FF type heater.

FIG. 4 is a perspective view of a conventional FF type heater.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Device main body 3 Air supply port 4 Exhaust port 6 Back cover 8 Extended air supply pipe 9 Extended exhaust pipe 10 Notch 10A Opening 11 Auxiliary plate 12 Through hole 13 Punching part 14 Locking claw 15 Engagement part 16 Screw Stop hole 18 Screw

Claims (3)

(57) [Claims] An apparatus main body having a supply / exhaust port facing the back, a back cover attached to the back of the apparatus main body to cover a gap between the apparatus main body and a wall surface, and a supply / exhaust port of the apparatus main body. An extended supply / exhaust pipe which is connected to the exhaust port and extends to a predetermined position through the rear cover, and a cutout portion is formed in a portion of the rear cover which penetrates the extended supply / exhaust pipe. An FF type heater in which an auxiliary plate for forming a through hole through which the extended supply / exhaust pipe is inserted with the notch by closing the opening of the notch is detachably attached. 2. The auxiliary plate has a punched-out portion for forming a through-hole portion through which an extended supply / exhaust pipe is inserted in a portion facing the notch portion, and a locking claw is screwed on one side facing the other side. 2. The FF type heater according to claim 1, wherein a hole is formed, and the locking claw on one side is locked to a locking portion formed on the back cover, and the other side is screwed to the back cover to be detachably attached. 3. The auxiliary plate has an engaging portion at a punched portion thereof,
3. The FF type heater according to claim 2, wherein said engaging portion is engaged with a lower surface of an edge portion of said cutout portion of said rear cover so that said rear cover is sandwiched between said engaging claws.