JP3364190B2 - Forced supply and exhaust combustion system - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a forced-exhaust type combustion apparatus that discharges combustion gas outdoors and supplies combustion air from the outdoors.

[0002]

2. Description of the Related Art Conventionally, in this type, as disclosed in Japanese Utility Model Publication No. 7-3152, for example, an exhaust passage and an air supply are provided on the rear side of a main body of a combustion apparatus by a double pipe structure. It is equipped with an air supply / exhaust pipe that forms a passage and penetrates the wall, and by connecting the air supply pipe and exhaust pipe extended from the instrument body side to the terminal part that constitutes the connection part of this air supply / exhaust pipe, the exhaust gas outdoor The air is discharged into the room and the combustion air is supplied from the outside to heat the room without polluting the air.

[0003]

By the way, in this conventional device, the terminal portion of the air supply / exhaust tube and the air supply pipe are inevitable.
Since the exhaust pipe is located on the back side of the device body, there is a problem that the space between the device body and the wall cannot be narrowed anymore, the space for installation becomes large and the space cannot be effectively used. There is also a problem that dust accumulates in the gap between the instrument body and the wall,
In order to prevent this, there is a method of attaching a cover or the like on the upper side, but the problem that the number of parts is large and the cost is high also newly occurs.

[0004]

The present invention focuses on this point and solves the above-mentioned drawbacks. In particular, the structure is such that exhaust gas after combustion and supply of air for combustion are provided with double through holes in the wall. in those to perform than outdoors through the air supply and exhaust pipe of the tubular structure, the connection portion between the exhaust pipe and the supply pipe of the instrument main body side of the sheet stack, housed inside the frame of the instrument body, further Discharge to the connection
By moving the exhaust pipe up and down with the trachea connected
The connection part can be moved in the vertical direction, and
Is adjustable .

[0005]

Further, by providing a detachable cover frame on the frame portion facing the terminal portion, not only the connecting work at the time of installation but also the maintenance can be easily performed, which is convenient for use.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Exhaust gas extending from a heat exchanger 18 is obtained by accommodating a terminal portion 10 of one of the air supply and exhaust pipes 1 divided into front and rear parts in a storage chamber 15 in a frame body 14 of a device body 13. The pipe 16 is connected to the exhaust port 11 of the terminal portion 10, and the air supply pipe 17 from the combustion fan 26 is connected to the terminal portion 1.
0 is connected to the air supply port 12, and in this state is moved together with the instrument body 13, and the air supply / exhaust pipe 1 is inserted into the through hole 3 of the wall 2 which is opened in advance, and then the other end side from the outdoor side is inserted. The installation is completed by inserting and connecting the air supply / exhaust cylinder 1.

As a result, the appliance main body 13 is properly installed on the wall 2, the installation space is small, and the space can be effectively used, so that a combustion appliance that does not interfere can be provided.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a forced air supply / exhaust type combustion apparatus according to the present invention will be described with reference to an embodiment shown in the drawings. Reference numeral 1 denotes an air supply / exhaust pipe provided by penetrating a through hole 3 formed in a wall 2 that divides the room from the outdoors, and has a double pipe structure in which an exhaust path 4 is provided inside and an air supply path 5 is provided outside. Further, in order to further adjust the length according to the thickness of the wall 2 and to simplify the mounting, it is divided into an outdoor side and an indoor side, and is elastically locked by an elastic locking spring 6. .

Further, a discharge port 7 communicating with the exhaust passage 4 and an intake port 9 partitioned by a shielding plate 8 and communicating with the air supply passage 5 are formed at the tip of the outdoor air supply / exhaust cylinder 1, and the indoor side Air supply / exhaust tube 1
Is provided with a terminal portion 10 that constitutes a connection portion, and an exhaust port 11 that communicates with the exhaust passage 4 and two air supply ports 12 that communicate with the air supply passage 5 are formed therein.

Reference numeral 13 is a main body of a device in which a housing chamber 15 for housing the terminal portion 10 of the air supply / exhaust cylinder 1 is formed in a frame body 14.
The air supply / exhaust pipe 1 communicates with an exhaust pipe 16 and a vinyl chloride air supply pipe 17, and is burned by the outdoor air sucked through the air supply / exhaust pipe 1, and the combustion heat is provided in parallel with a plurality of pipes. By the heat exchange 18 formed by
In addition, the exhaust gas after heat exchange is exhausted again through the air supply / exhaust pipe 1 to the outside to perform the forced air supply / exhaust heating.

Further, as shown in FIG. 5, the exhaust pipe 16 has an O-ring 2 attached to a long connecting pipe 20 fixed to a heat exchanger 18.
It is fitted through 1 and is movable up and down, and is configured to correspond to the position of the air supply / exhaust pipe 1 that varies depending on the position of the through hole 3, and is connected to the exhaust port 11 at the other end. The part is fixed by locking a fixed bead 23 provided with the O-ring 22 of the exhaust port 11 and a locking bead 24 formed on the exhaust pipe 16 side with an elastic locking metal fitting 25. is there.

Reference numeral 26 denotes a combustion fan provided below the terminal portion 10 of the air supply / exhaust cylinder 1, which communicates with the terminal portion 10 through the air supply pipe 17 as described above, and sucks combustion air from the outside to be vaporized. It is supplied to the burner unit 27.

28 is a frame 14 for opening the storage chamber 15.
With an L-shaped cover frame that forms a part of the back surface from the side of
Recessed hole 2 of a size that allows up / down adjustment through which the air supply / exhaust cylinder 1 penetrates
One end side having 9 is inserted and fixed in the insertion groove 30 of the frame body 14, and the other end is fixed by the two screws 31, so that attachment / detachment is easy, and connection work and maintenance of the air supply / exhaust cylinder 1 are easy. It is something that can be done.

Reference numeral 32 denotes a warm air fan composed of a cross flow fan provided above the heat exchanger 18, and the indoor air sucked through an inlet 34 provided with a filter 33 on the upper rear surface of the frame 14 is used as a heat exchanger. After passing through the outer circumference 18 and the combustion chamber 36 surrounded by the reflection plate 35, it is discharged as warm air from the blowout port 19.

In the combustion chamber 36, 37 is a glass cylinder that covers the upper portion of the burner portion 27 with a hermetically sealed structure, and is provided with a cylindrical red heating cylinder 38 that hangs from the inside.

Reference numeral 39 is a radiant glass constituting the front surface of the combustion chamber 36, which radiates the combustion state of the red heat tube 38 forward to take up the heating effect, and is provided with a guard body 40 in the front.

Reference numeral 41 is a movable flange rotatably provided on the outer circumference of the supply / exhaust cylinder 1 on the indoor side, and the fixed flange 4 on the outdoor side.
The wall 2 is sandwiched with the cushion body 43 between them to fix the air supply / exhaust cylinder 1 to the wall 2.

Reference numeral 44 denotes an operating portion provided on the right side of the front of the instrument body 13, and an operation switch 45 is provided above the operating portion.
Reference numeral 46 denotes a closing plate that closes a gap between the recessed hole 29 of the cover frame 28 and the air supply / exhaust pipe 1.

Reference numeral 47 is a rubber plug that closes the air supply port 12 left without connecting the air supply pipe 17.

Next, the operation of the embodiment of the present invention will be described. First, when installing the device, the device body 13 and the air supply / exhaust pipe 1 are connected and the air supply / exhaust pipe 1 is fixed to the wall 2.

Therefore, the cover frame 28 is removed from the frame body 14 to open the storage chamber 15 to secure a working space, and the indoor air supply / exhaust pipe 1 divided into two is brought in here to exhaust the terminal portion 10. The exhaust pipe 16 is connected to the port 11, the air supply pipe 17 is connected to the one air supply port 12, and the air supply / exhaust pipe 1 is inserted into the through hole 3 of the wall 2 in this state. Although the height of the hole 3 may be slightly different, the exhaust pipe 16 has a structure in which it can be freely moved up and down by a fitting connection by a long connecting pipe 20 and an O-ring 21, and the air supply pipe 17 is also flexible. Since it is made of vinyl chloride, there is some margin for vertical movement, and the height of the through hole 3 can be adjusted while it is still connected. Can be inserted into.

Then, by inserting the other divided outdoor air supply / exhaust pipe 1 into the through hole 3 of the wall 2 from the outdoor side, the air supply / exhaust pipes 1 are connected in the through hole 3 to be integrated. After that, when the movable flange 41 is fixed with screws or the like while the wall 2 is sandwiched between the movable flange 41 and the fixed flange 42, the installation of the instrument main body 13 and the attachment / exhaust cylinder 1 are completed. The cover frame 28 that was finally removed is returned to its original state.

Accordingly, the terminal portion 10 which is a connection portion of the air supply / exhaust cylinder 1 to the appliance body 13 is housed in the housing chamber 15 of the frame body 14, so that the connecting pipe is positioned between the wall 2 and the appliance body 13. Without doing so, the instrument body 13 can be installed in close proximity to the wall 2 and the installation space is small, and the instrument body 13 does not overhang significantly in the room, and the space can be effectively used. It is a thing.

On the other hand, in the instrument main body 13, by turning on the operation switch 45 of the operation section 44, a fuel oil supply means (not shown)
From the outside through the air supply path 5 of the air supply / exhaust pipe 1 by driving the combustion fan 26 and the combustion fan 26, the burner section 27 performs good combustion, and the combustion gas is red heat. The cylinder 38 is heated, passes through the heat exchanger 18, and is again discharged to the outside through the exhaust passage 4 of the supply / exhaust cylinder 1.
At this time, if the warm air fan 32 is driven, the indoor air is heat-exchanged in the heat exchanger 18 to become warm air, which is discharged from the air outlet 19 to heat the room with warm air and the heated red heat tube 3
With the radiant heat of 8, it is possible to satisfactorily heat the room air without polluting it.

In this embodiment, the connection with the air supply / exhaust pipe 1 is made at the installation location of the device, but the device main body 13 and the air supply / exhaust pipe 1 are already connected at the time of shipment of the device.
It is also possible to simplify the installation work by adjusting only the alignment between the air supply / exhaust cylinder 1 and the through hole 3 at the installation site.

[0027]

As described above, according to the present invention, there is no dead space between the wall and the instrument body for connecting the air supply / exhaust pipe, which is a dust pool, and the instrument body is installed close to the wall. It is possible to use the space effectively without taking up space, and it is neat without the main body of the equipment sticking out in the room, and it does not get in the way and looks good.

Further, the exhaust pipe is connected to the connecting portion when the connection is made.
Part can be moved up and down to adjust the vertical position of the supply and exhaust pipe.
Even if there is a slight difference in the position of the through hole, it is possible to easily adjust the position of the air supply / exhaust pipe, and it is possible to flexibly respond to the difference in the hole position and to ensure reliable installation. .

Further, by providing the cover frame, it is possible to secure a working space for connection work and maintenance work between the air supply / exhaust cylinder and the main body of the appliance, and to perform the work smoothly. Is.

[Brief description of drawings]

FIG. 1 is a front view showing a forced supply / exhaust type combustion apparatus according to an embodiment of the present invention.

FIG. 2 is a left side view of the same.

FIG. 3 is a vertical sectional view showing the main part.

FIG. 4 is a cross-sectional view showing the main part.

FIG. 5 is a sectional view illustrating the exhaust pipe.

FIG. 6 is a perspective view of the cover frame.

[Explanation of symbols]

1 air supply / exhaust stack 10 Terminal part 13 Instrument body 14 frame 15 storage room 16 Exhaust pipe 17 Air supply pipe 18 heat exchanger 20 Connection tube 21 O-ring 28 Cover frame

Continuation of the front page (56) Reference JP-A-1-234714 (JP, A) JP-A-5-10541 (JP, A) Actually open 2-21449 (JP, U) Actually open 50-133529 (JP , U) Actual development Sho 55-119542 (JP, U) Actual development 7-32352 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) F23L 17/04-17/12 F24H 3/06-3/08

Claims (2)

(57) [Claims] 1. Exhaust gas after combustion and air supply for combustion
In the one in which the through hole of the wall is made from the outside through the air supply / exhaust tube of the double pipe structure, the connecting portion of the air supply / exhaust tube to the exhaust pipe and the air supply pipe of the instrument main body is The exhaust gas is housed in the frame and the exhaust pipe is connected to the connection part.
By moving the pipe up and down, the connection part can be moved up and down.
However, the forced supply / exhaust combustion device is characterized in that the vertical position of the supply / exhaust cylinder can be adjusted . 2. The connecting portion is composed of a terminal portion formed at the end of the supply / exhaust cylinder, and a frame body portion facing the terminal portion is provided with a removable cover frame. The forced supply / exhaust combustion device according to claim 1, characterized in that