JPS5910520Y2 - oil hot air heater - Google Patents

Description

[Detailed description of the invention] This invention is a hot-air heater, especially in a structure that maintains a constant space between the wall surface and the back of the hot-air unit during installation. This invention relates to a structure that allows the main body and wall surface to be easily attached while keeping a predetermined distance between them.

Conventionally, this type of heating machine was manufactured by Utility Model No. 2 of Utility Model Application No. 51-45840.
As shown in Figure 6 of Utility Model Application No. 51-12153, a rear cover is provided on the back of the main body to maintain a predetermined space between the wall surface and the main body, and a structure as shown in Fig. 1 is used. There was something I was looking for.

In FIG. 1, 1 is an outer casing of the main body, 2 is a hot air outlet, 3 is a vaporizing combustion tube, 4 is a blower that supplies indoor air to this combustion tube, and 5 is a device installed to supply liquid fuel to the combustion tube. This tank is equipped with a pump (not shown) and is arranged to supply fuel to the combustion cylinder with the pump.

6 is an indoor air intake port provided at the lower front of the outer casing;
8 is a humidifying pan provided at the front of the combustion cylinder, 9 is a humidifying plate, and 10 is a back cover provided on the back so that the main body is separated from the wall by 10 cm or more.

An intake and exhaust pipe (not shown) is disposed to penetrate the wall from the rear surface of the outer casing.

As mentioned above, conventional heaters are structured so that there are regulations that require a distance of at least 10 cm between the back of the product and wall A for fire prevention purposes, so this back cover is required if you want to simplify the installation. be.

In order to attach a separate back cover to the back of the main unit, the structure of the hot air fan is complicated, and the oil tank 5, indoor air circulation blower 4, and combustion cylinder are stacked one on top of the other. Since the indoor air suction port 6 is located in the part, the height dimension of the product becomes large, and the indoor air suction port part becomes dirty due to adhesion of dust, which spoils the appearance. Was.

This invention was devised in view of the above-mentioned drawbacks, and one embodiment of this invention will be described below with reference to FIG.

In the figure, the same symbols as in Figure 1 indicate the same or corresponding parts, and 5
is an oil tank, and the bottom of this oil tank is connected to the bottom surface 12 of the outer casing of the main body.
A flange 11 formed on the side of the oil tank is held by a mounting plate formed on the main body so as to be spaced apart by a predetermined space.

B is integrally formed with the main body outer case so that the back of the main body outer case bulges out and has the same function as the rear cover 10 of the sub-button.
This bulge has a height of 10 cm from the back surface and comes into contact with the wall surface during installation.

In addition, a cross-flow fan for indoor air circulation is installed in this bulge in parallel with the oil tank, and the lower surface of the bulge is opened to form a flow path for indoor air.

Further, the entire lower surface of the installation position of the oil tank 5 and the blower 4 is opened to form an air suction port, and a filter 14 is detachably provided so as to span the entire suction port opening.

7 is an intake and exhaust pipe connected to the combustion pipe.

Reference numeral 13 denotes an indoor air flow path formed between the oil tank and the outer casing bulge.

Because of the structure described above, when the heater is installed, if the rear bulge is brought into direct contact with the wall surface, the heater is always maintained at a predetermined distance specified by the fire prevention ordinance.

In addition, an indoor air suction port is provided at the bottom of the outer casing of the main body to suck in cold air from the lower part and send the cold air to the combustion cylinder for heat exchange, thereby increasing heating efficiency.

Furthermore, since the suction port is located at the rear and lower part, the wind noise from the cross-flow type blower does not come out from the front opening, which has a noise reduction effect for the occupants of the room.

As explained above, this idea is to bulge out the lower back of the outer casing to form an intake flow path for indoor air between it and the oil tank, and to place the blower almost horizontally parallel to the oil tank. This arrangement not only reduces the height dimension of the hot-air heater, making it more compact, but also creates a space between the upper back of the outer casing and the wall, making it less susceptible to high temperatures. Not only is there no risk of discoloration of the wall surface or fire due to the upper part of the outer casing, but the lower part has a wider depth dimension, which has the effect of increasing stability.

In addition, since the suction port is provided below the back of the main body, it is possible to provide a warm air heater that makes less noise during operation of the blower.

[Brief explanation of the drawing]

FIG. 1 is a vertical cross-sectional view of a conventional warm air heater, and FIG. 2 is a vertical cross-sectional view of an embodiment of this invention. In addition, the same reference numerals in the drawings indicate the same or corresponding parts, and 1 is an outer casing, 2 is an air outlet, 3 is a combustion cylinder, 4 is a blower for indoor air circulation, 5 is an oil tank, and 6 is an inlet.

Claims (1)

[Scope of utility model registration request] An outer casing, an oil tank provided at the front of the lower part of the outer casing,
In a device equipped with a combustion tube that burns fuel supplied from the oil tank and an indoor air circulation blower that blows indoor air to the combustion tube, the lower rear surface of the outer casing is bulged out to connect to the oil tank. A hot air heater characterized in that an intake flow path for indoor air is formed between the air tank and the blower is arranged horizontally in parallel with the oil tank.