JPH08105657A - Warm air heater - Google Patents

Abstract

PURPOSE: To prevent the gap between a warm air opening and a warm air diffusing grill and to obviate an oil can at a front panel by utilizing a protective plate mounted in a body case. CONSTITUTION: The warm air heater comprises a body case for containing a burner 14, a heat exchanger and a fuel tank 15, a front panel 10B detachably mounted at the front surface of the case to provide a warm air opening and an oil filler opening 29 in parallel, a warm air diffusing grill 30 mounted at the front part of the case corresponding to the warm air opening, and a protective plate 37 mounted, in place, in the case corresponding to the opening 29, wherein an oil supply port 19 provided at the tank 15 is opposed between the plate 37 and the opening 29. A fixed piece 35 is provided near the opening 29 of the panel 10B, and the piece 35 and a part of the plate 37 are clamped by a clamper 40.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a warm air heater in which a front panel provided with a hot air opening and a refueling opening side by side on the front surface of a main body case is detachably mounted.

[0002]

2. Description of the Related Art Conventionally, as a hot air heater of this type, as disclosed in, for example, Japanese Utility Model Laid-Open No. 55-180159, a main body case is provided with a combustion section, a heat exchange section, and a combustion section. And a fuel tank for storing the liquid fuel to be stored, and a front panel having a warm air opening and a refueling opening side by side is detachably attached to the front surface of the main body case, and Inspection and repair of the combustion section, fuel supply parts, control circuit parts, etc. are performed by removing the front panel, and refueling of the fuel tank is done without removing the front panel, and the refueling with the open / close lid provided on the front panel. It can be done using the opening.

Further, in the main body case corresponding to the refueling opening of the front panel, a protective plate is attached so as to prevent the refueling person from touching the fuel supply parts and the control circuit parts during refueling.

[0004]

By the way, in the warm air heater of the above-mentioned conventional structure, as shown in FIG. 8, the warm air opening 2 and the refueling opening 3 are brought close to each other in the front panel 1 side by side. Since it is provided, when the front panel 1 is formed by press working, bulging deformation occurs in the intermediate portion 4 between the warm air opening 2 and the oil supply opening 3, which is weak in strength. in this way,
When the weak portion of the front panel 1 is bulged and deformed, the result shown in FIG.
As shown in FIG. 2, when the front panel 1 is attached to the main body case, between the warm air blowing grill 5 attached to the front part of the main body case and the opening edge portion 6 of the warm air opening 2 of the front panel 1. A large gap S is generated in the interior, and not only the appearance is impaired by this gap S, but also a part of the hot air passing through the hot air outlet grill 5 leaks into the main body case outside the hot air passage, and the fuel supply parts and There is a problem that the temperature of the space containing the control circuit components rises more than necessary, and further there is a problem that the front panel becomes sticky.

The present invention has been made in view of the above circumstances, and prevents the formation of a gap between the warm air opening and the warm air blowing grill by using the protective plate mounted in the main body case. In addition, the purpose is to prevent the front panel from sticking.

[0006]

According to the present invention, there is provided a main body case containing a fuel tank for storing a liquid fuel to be supplied to a combustion section, a heat exchange section and a combustion section, and a detachable mounting on a front surface section of the main body case. A front panel provided with a hot air opening and a refueling opening side by side, a warm air blowing grill attached to the front part of the main body case corresponding to the hot air opening, and a refueling opening. In the warm air heater, the front panel is provided with a protective plate attached at a proper position in the main body case, and a fuel filler port provided in the fuel tank is faced between the protective plate and the fuel filler opening. A fixing piece is provided in the vicinity of the oil supply opening, and the fixing piece and a part of the protective plate are fastened with a fastening tool.

Further, the present invention is a main body case containing a fuel tank for storing liquid fuel to be supplied to the combustion section, the heat exchange section and the combustion section, and a detachably mounted front surface section of the main body case for hot air. A front panel provided with an opening and a refueling opening side by side, a warm air blowing grill attached to the front part of the main body case corresponding to the warm air opening, and a main body case inside the main body case corresponding to the refueling opening. With a protective plate attached in place,
In a warm air heater in which a fuel filler port provided in the fuel tank is exposed between the protective plate and the fuel filler opening, a fixing piece is integrally provided at an opening edge portion of the fuel filler opening of the front panel. The fixing piece and the supporting piece integrally provided on the protection plate are fastened together by a fastening tool.

[0008]

As described above, the fixing piece is provided in the vicinity of the oil supply opening of the front panel, and the fixing piece and a part of the protective plate attached to the proper position in the main body case corresponding to the oil supply opening are tightened. Since it is fastened by means of, the middle part of the front panel between the warm air opening and the oil supply opening is pulled toward the inside of the main body case, even if the front panel is deformed Deformation can be corrected and no gap is created between the hot air opening and the hot air outlet grill, and the middle part of the front panel is fixed in place on the body case via the protective plate, so the front panel The degree of freedom in the middle part of the is reduced, and the stickiness does not occur even if a pressing force is applied to the front panel.

According to another aspect of the hot air heater of the present invention, the fixed piece of the front panel is integrally provided at the opening edge of the oil supply opening,
Further, since the support piece is integrally provided on the protective plate, only the tightening tool such as the tightening screw is required, and the intermediate portion of the front panel can be fixed, and the number of parts is not significantly increased. You can

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings of FIGS. In the figure, 10 is an exterior body of a warm air heater. The exterior body 10 is detachably attached to a main body case 10A including a peripheral side plate 11, a top plate 12 and a bottom plate 13, and a front surface portion of the main body case 10A. The main body case 10A includes a combustion section 14, a heat exchange section (not shown), and a blower for warm air that circulates indoor air toward the heat exchange section (not shown). No)
Also, a fuel tank 15 for storing the liquid fuel (kerosene) supplied to the combustion unit 14 is housed. The exterior body 10 is placed on the stand 17 via the leveling legs 16 and installed indoors.

The fuel tank 15 is fixed on the bottom plate 13 of the main body case 10A, and a fuel inlet 19 having a fuel filler lid 18 and an oil amount indicator 20 are provided on the front right side of the fuel tank 15.
The liquid fuel stored in the fuel tank 15 is supplied to the combustion unit 14 via the fuel pump 21 and the fuel supply pipe 22. 23 is the main body case 10A
It is a partition plate provided upright inside, and supports the combustion part 14 by this partition plate 23, and
The lower end of 3 is fixed to a support fitting 24 mounted on the upper surface of the fuel tank 15. Reference numeral 26 in FIG. 5 denotes a front heat shield plate attached to the front end portion 23A of the partition plate 23,
A heat exchange section is arranged inside the front heat shield plate 26.

At the lower portion of the front panel 10B, a horizontally long hot air opening 27 and a refueling opening 29 closed by a rotatable opening / closing lid 28 are provided side by side and close to each other. The opening 27 is opened at a position corresponding to the warm air blowing grill 30 attached to the front part of the main body case 10A,
A plurality of hot air guide horizontal blades 30A, 30A mounted on the hot air outlet grill 30 are provided at the left and right opening edge portions 31, 31 of the hot air opening 27 with front edges of the plurality of horizontal blades 30A, 30A. The notches 32, 32 are formed at a predetermined interval in the vertical direction. Further, the refueling opening 29 is opened at a position corresponding to the refueling opening 19 of the fuel tank 15 and the oil amount indicator 20, and an opening edge portion on the left side (the warm air opening side) of the refueling opening 29. A fixing piece 35 having one through hole 34 is integrally molded inwardly with the through hole 33.

The right side portion of the warm air blowing grill 30 is screwed to the front end portion 23A of the partition plate 23 with screws 36 and 36, and the left side portion is screwed to the front end portion of the main body case 10A, and the front panel. When 10B is attached to the main body case 10A, the opening edge portions 31, 31 of the warm air opening 27 of the front panel 10B are fitted inside the warm air blowing grill 30, and at this time, the opening edge portions 31, 31 The front edges of the warm air guide horizontal blades 30A and 30A are inserted into the notches 32 and 32, respectively.

Reference numeral 37 is a metal plate protective plate mounted in the main body case 10A corresponding to the oil supply opening 29 of the front panel 10B. As shown in FIG. 7, the protective plate 37 is a vertical surface portion 37A. An inclined surface portion 37B formed by bending the upper end of the vertical surface portion 37A obliquely forward, a side surface portion 37C formed by bending the left end of the vertical surface portion 37A forward, and a front surface of the side surface portion 37C. And a fixed surface portion 37D bent from the edge toward the side. The fixed surface portion 37D is overlapped on the right side portion of the warm air blowing grill 30 as shown in FIG. 36 and 36 are fastened together to the front end portion 23A of the partition plate 23.

At a substantially central portion of the fixed surface portion 37D of the protective plate 37, a supporting protrusion 38 cut and raised forward is provided, and the supporting protrusion 38 penetrates the fixing piece 35. A screw hole 39 corresponding to the hole 34 is provided, and a fixing piece 35 of the opening edge portion 33 of the oil supply opening 29 is fastened to the supporting projection piece 38 with a screw 40. This fixing piece 35 is used as a supporting piece 38 for supporting the protective plate 37.
To fix the screw 40 to the front panel 10B, the front panel 10B is attached to the main body case 10A by screwing or the like, and then the intermediate portion (b) between the warm air opening 27 and the oil supply opening 29 of the front panel 10B is pressed to the back. In this way, the fixing piece 35 is superposed on the supporting projection 38 of the protective plate 37, and the fixing piece 35 and the supporting projection 38 can be fastened with the screw 40 by using the warm air opening 27.

According to this embodiment, the fixing piece 35 is integrally formed on the opening edge portion 33 of the oil supply opening 29 of the front panel 10B, and the protective plate 3 is formed on the partition plate 23 in the main body case 10A.
7 is attached, and the fixed surface portion 3 of the protective plate 37 is attached.
7D, the supporting projection 38 is provided by cutting and the fixing piece 35 is fastened to the supporting projection 38 with the screw 40. Therefore, the front panel 10B between the warm air opening 27 and the oil supply opening 29 is provided. The intermediate portion B is pulled toward the inside of the main body case 10A by the supporting projection 38 of the protection plate 37. Therefore, even if bulging deformation occurs near the intermediate portion a of the front panel 10B, the deformation can be corrected by the fixing piece 35 and the supporting projection piece 38, and as shown in FIG. There is no gap between the tip of the opening edge 31 and the tip of the hot air blowing grill 30 and the appearance is not impaired, and a part of the hot air passing through the hot air blowing grill is not lost. Can be prevented from leaking into the main body case outside the hot air passage.

Further, since the intermediate portion a of the front panel 10B is fixed to the partition plate 23 in the main body case 10A via the protective plate 37, the degree of freedom of the intermediate portion a of the front panel 10B and its vicinity is reduced, Even if a pressing external force is applied to the front panel 10B, it is possible to prevent the front panel 10B from sticking.

Further, a fixing piece 35 integrally provided at the opening edge portion 33 of the oil supply opening 29 is provided on a supporting projection piece 38 integrally provided on a protective plate 37 for ensuring safety during refueling, and a screw 40 is provided. Since it is a structure to be fixed by the above, it is possible to fix the intermediate portion a of the front panel 10B by adding only one screw 40, and it is possible to prevent the number of parts from being significantly increased.

[0019]

As described above, according to the warm air heater of the present invention, the fixing piece provided in the vicinity of the oiling opening of the front panel is fixed to a part of the protective plate mounted in the main body case by the fastening tool. Since it is fastened, the middle part of the front panel between the warm air opening and the oil supply opening is pulled toward the inside of the main body case, and even if the front panel is deformed, the deformation is corrected and It is possible to prevent a gap from being created between the wind opening and the hot air blowing grill, and the middle part of the front panel is strong against external force and has a fixed degree of freedom, so that the front panel is sticky. It is possible to prevent the problem of.

According to another aspect of the hot air heater of the present invention, the fixed piece of the front panel is integrally provided at the opening edge of the oil supply opening,
Further, since the support piece is integrally provided on the protective plate, only the tightening tool such as the tightening screw is required, and the intermediate portion of the front panel can be fixed, and the number of parts is not significantly increased. Thus, the fixing structure can be simplified.

[Brief description of drawings]

FIG. 1 is an external perspective view of a warm air heater showing an embodiment of the present invention.

FIG. 2 is likewise a longitudinal view of the main part.

FIG. 3 is likewise a plan sectional view of an essential part.

FIG. 4 is an explanatory view illustrating the relationship between the warm air opening of the front panel and the warm air blowing grill.

FIG. 5 is a front view of the main part of the same with the front panel removed.

FIG. 6 is a perspective view of a front panel alone.

FIG. 7 is a perspective view of a single protective plate.

FIG. 8 is a perspective view of a conventional front panel.

FIG. 9 is an explanatory diagram illustrating a relationship between a warm air opening of a conventional front panel and a warm air blowing grill.

[Explanation of symbols]

 10 Exterior Body 10A Body Case 10B Front Panel 14 Combustion Section 15 Fuel Tank 19 Refueling Port 27 Hot Air Opening 29 Refueling Opening 30 Warm Air Blow Grill 33 Opening Edge of Refueling Opening 35 Fixed Piece 37 Protective Plate 38 Supporting Protrusion Piece (support piece) 40 screw (fastener)

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Kazuaki Shimada 2-5-5 Keihan Hondori, Moriguchi City, Osaka Sanyo Electric Co., Ltd.

Claims (2)

[Claims] 1. A main body case containing a fuel tank for storing liquid fuel to be supplied to a combustion section, a heat exchange section, and a combustion section, and a front surface of the main body case, which is detachably attached to the main body case. Front panel provided with the opening for side by side,
The hot air outlet grill attached to the front part of the main body case corresponding to the warm air opening, and the protective plate attached to the proper position in the main body case corresponding to the refueling opening are provided. In a warm air heater in which a fuel filler port provided in the fuel tank is exposed between the fuel tank and a fuel opening, a fixing piece is provided in the vicinity of the fueling opening of the front panel. A warm air heater characterized in that the parts are fastened together with a fastening tool. 2. A main body case containing a fuel tank for storing liquid fuel to be supplied to the combustion section, the heat exchange section and the combustion section, and a front surface of the main body case which is detachably mounted, and has an opening for warm air and refueling. Front panel provided with the opening for side by side,
The hot air outlet grill attached to the front part of the main body case corresponding to the warm air opening, and the protective plate attached to the proper position in the main body case corresponding to the refueling opening are provided. In a warm air heater in which a fuel filler port provided in the fuel tank is exposed between the fuel tank and a fuel opening, a fixing piece is integrally provided at an opening edge portion of the fuel feeding opening of the front panel, and the fixing piece A warm air heater, comprising a support piece integrally provided on the protective plate and a support piece that is fastened by a fastening tool.