JP3364191B2 - 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.

On the other hand, the end face of the floor on which the appliance body is installed and the wall surface on which the air supply / exhaust pipe is attached do not always match,
Depending on the thickness of the edge of the wall rising from the floor and the conditions of the place where the device is installed, not only can the device be installed properly on the wall, but it can also be installed separately from the wall. Therefore, it was also necessary to be able to perform installations that correspond to various installation conditions.

[0005]

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 air supply for combustion are passed through through holes in the wall. In a case where it is performed from the outside through a double pipe structure air supply / exhaust pipe, the exhaust pipe on the equipment body side of the air supply / exhaust pipe and the connection portion with the air supply pipe are housed in the frame of the equipment main body. together, having an indoor side movable flange of fixing the sheet stack extending through the wall to the wall as freely move back and forth in the fed-stack periphery,
By moving this movable flange back and forth, the distance from the wall of the instrument body can be adjusted.

Since the movable flange is moved back and forth by the male screw portion formed on the outer circumference of the supply / exhaust cylinder and the female screw portion formed on the movable flange, adjustment can be performed easily and surely. It was done.

[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.

On the other hand, when there is a step between the edge surface of the floor 47 and the wall 2 due to the thickness of the edging portion 46, or when it is desired to install the instrument body 13 away from the wall 2, the movable flange 41 is rotated. As a result, the female screw portion 43 of the movable flange 41 moves toward the wall 2 in the male screw portion 42 on the outer periphery of the air supply / exhaust pipe 1, and the terminal portion 10 of the air supply / exhaust pipe 1 is housed in the frame 14 and can move. Even if it is not possible, by making the movable flange 41 movable back and forth, the distance between the instrument body 13 and the wall 2 can be freely adjusted, and after that, the movable clunge 41 can be fixed to the wall 2 without mistaken upside down. That is, the installation with the instrument main body 13 separated from the wall 2 is completed.

Therefore, even when the air supply / exhaust cylinder 1 is housed in the frame body 14, the movable flange 41 can be moved back and forth, so that it can be easily mounted according to the installation conditions, and the degree of freedom of installation of the device is increased. It is extremely convenient to use.

[0011]

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. .

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 pipe 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 by 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 body 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 is 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 at the upper back 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 heat tube 38 that hangs down from above.

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 designates a movable flange having a female threaded portion 43 formed so as to make one revolution by screwing into a male threaded portion 42 formed on the outer circumference of the supply / exhaust cylinder 1 on the indoor side. The supply / exhaust cylinder 1 is fixed to the wall 2 by sandwiching the wall 2 with the cushioning material 45 interposed therebetween together with the fixing flange 44. By gradually increasing the thickness of the lower plate from the thickness of the upper plate, The air supply / exhaust pipe 1 is inclined downward toward the outside to prevent rainwater from invading. Therefore, in order to always maintain this inclination, the edge of the floor 47 formed by the edging portion 46 of the wall 2 of the movable flange 41 is separated. The back-and-forth movement for adjusting the step is performed one rotation at a time.

Reference numeral 48 is an operating portion provided on the right side of the front of the instrument body 13, and an operation switch 49 is provided above the operating portion.
Reference numeral 50 is a closing plate that closes the gap between the concave hole 29 of the cover frame 28 and the air supply / exhaust cylinder 1.

Reference numeral 51 is a rubber plug for closing the air supply port 12 which remains without being connected to 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 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, if the movable flange 41 is fixed with a screw or the like while the wall 2 is sandwiched between the movable flange 41 and the fixed flange 44, 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.

Therefore, by storing the terminal portion 10 which is the connection portion of the air supply / exhaust cylinder 1 with the instrument body 13 in the storage chamber 15 of the frame body 14, the connection pipe is located between the wall 2 and the instrument 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.

Next, when there is a step between the end surface of the floor 47 and the wall 2 due to the thickness of the edging portion 46 or when it is desired to install the instrument main body 13 away from the wall 2, the movable flange 41 is rotated. By doing so, the female screw portion 43 of the movable flange 41 moves toward the wall 2 in the male screw portion 42 on the outer periphery of the air supply / exhaust pipe 1, and the terminal portion 10 of the air supply / exhaust pipe 1 is housed in the frame body 14 and moves. Even if it is not possible, by moving the movable flange 41 back and forth, the distance between the instrument body 13 and the wall 2 can be freely adjusted, and after that, the movable clamp 41 is fixed to the wall 2 without mistaken upside down. Then, the installation with the instrument main body 13 separated from the wall 2 is completed.

Therefore, even when the air supply / exhaust cylinder 1 is housed in the frame 14, the movable flange 41 can be moved back and forth, so that it can be easily attached according to the installation conditions, and the degree of freedom of installation of the device is increased. It is extremely convenient to use.

On the other hand, in the instrument body 13, by turning on the operation switch 49 of the operation portion 48, 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.

Also, by adjusting the distance between the instrument body 13 and the wall 2 by means of the movable flange 41, even in the built-in system, the front of the instrument body 13 is brought forward in front of the surrounding wall 2 so as to easily take measures against arson. Can be done.

[0032]

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.

Furthermore, there is a step between the floor end surface and the wall,
The movable flange may move back and forth on the outer circumference of the air supply / exhaust cylinder according to the installation conditions such as installing the main unit away from the wall .
And, in which the connection part of the air supply and exhaust pipe is stored in the equipment body
However, the distance between the instrument body and the wall can be freely adjusted, and the adjusting method is extremely simple, which is convenient for use.

Further, since the movable flange is moved back and forth by screwing the male screw portion and the female screw portion, there is an effect that delicate adjustment can be performed easily and surely.

[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.

FIG. 7 is a longitudinal sectional view of an essential part showing an installation in which a step is formed between the floor end and the wall.

FIG. 8 is a cross-sectional view of essential parts showing a front-back movement state of the movable flange.

[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 41 Movable lounge 42 Male thread 43 Female thread

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Japanese Patent Laid-Open No. 1-234714 (JP, A) Japanese Patent Laid-Open No. 5-10541 (JP, A) Actual Opening 2-21449 (JP, U) Actual Opening Sho 50- 133529 (JP, U) Actual development Sho 55-119542 (JP, U) Actual development Hei 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 a structure which is performed from the outside through a supply / exhaust pipe having a double pipe structure penetrating through a through hole in a wall, the connecting portion of the supply / exhaust pipe with the exhaust pipe and the air supply pipe on the instrument body side is while housed inside the frame of the body, having an indoor side movable flange of fixing the sheet stack extending through the wall to the wall as a universal pre <br/> Kodo in fed-stack periphery, the movable flange back and forth To move
Compulsory air supply / exhaust type combustion device characterized in that the distance from the wall of the instrument body can be adjusted by and. 2. The forced supply / exhaust type according to claim 1, wherein the movable flange is moved back and forth by a male screw portion formed on the outer periphery of the supply / exhaust cylinder and a female screw portion formed on the movable flange. Combustion device.