JP6422835B2 - Hot air heater - Google Patents

Description

  The present invention relates to a hot air heater that blows out hot air to heat a room.

  Conventionally, in this type, as shown in FIG. 8, in the gap 103 formed between the frame body 101 of the hot air heater and the front panel mounting bracket 102 attached to the upper front surface of the frame body, After inserting the insertion claws 105 formed on the left and right upper portions of the front panel 104, the lower portion (not shown) of the front panel 104 is screwed to fix the front panel 104 to the frame body 101. (For example, see Patent Document 1)

Japanese Patent Laying-Open No. 2015-81737

  However, in this conventional apparatus, when a force is applied to the front panel such as when a person collides with the corner of the front panel during assembly work or when using a heater, the frame and the front panel do not adhere to each other when the gap becomes large. There is a problem in that there is a gap in the front panel, and the front panel is not horizontal with respect to the frame body, but is displaced obliquely and the appearance is impaired.

  In order to solve the above problems, in a warm air heater in which an operation unit unit and a front panel are attached to an operation unit mounting bracket fixed to the front surface of a frame, a front panel engagement is provided at the upper left and right of the operation unit mounting bracket. A stop is provided, a gap is formed between the front panel locking part and the frame, and insertion claws provided on the left and right upper portions of the front panel are inserted into the gap to fix the front panel, and the front panel The operation unit unit is provided with a deformation preventing unit that faces and contacts the front surface of the locking unit.

  Further, the deformation preventing portion is provided with a plurality of ribs, and the ribs are in contact with the front surface of the front panel locking portion.

  Even if force is applied to the front panel for some reason, the front panel locking part is not deformed because the fixing part of the operation unit unit is in contact with and fixed to the front surface of the front panel locking part. The gap formed between the body and the operation unit mounting bracket widens and the frame and the front panel do not adhere to each other, or there is a gap, or the front panel does not become horizontal with respect to the frame Since it does not shift and can be firmly fixed, the appearance is not impaired and the design can be reliably ensured.

  In addition, since a plurality of ribs are provided on the fixed portion of the operation unit unit that comes into contact with the front surface of the front panel locking unit, the contact strength between the front panel locking unit and the operation unit unit can be adjusted by adjusting the height of the ribs. Can be easily adjusted, and the gap dimension can be easily adjusted, so that the front panel can be attached more smoothly during assembly.

The front view of one Embodiment of this invention. The schematic sectional drawing from the right side surface direction. The perspective view of the state which removed the front panel and removed the operation part unit. The top view of the operation part unit. The front view of the operation part mounting bracket. The top view of the operation part mounting bracket. The expanded sectional view of the principal part. Sectional drawing of the principal part of a prior art example.

Next, a hot air heater according to the present invention will be described with reference to an embodiment shown in the drawings.
Reference numeral 1 denotes a hot air heater main body, and the frame 2 of the hot air heater main body 1 includes a front panel 3 that covers the front surface, an upper surface plate 4 that covers the upper surface, and a rear plate 5 that covers the side surface and the rear surface. 6 is fixed on the top.

  7 is an operation unit provided at the front upper part, 8 is a display unit provided at the upper part of the front surface, 9 is a hot air outlet for blowing out hot air formed on the front panel 3, and 10 is the hot air outlet 9. A movable louver that is provided above and below, opens and closes the hot air outlet 9 and guides the hot air, and a convection fan 11 is attached to the air intake 12 on the back surface via a fan guard (not shown). 13 is a blower box that communicates the air intake port 12 and the hot air blowout port 9, 14 is a burner part that protrudes from the burner box 15 in the blower box 13, and 16 surrounds the burner head 15. In the combustion cylinder forming the combustion space, the burner portion 14 and the combustion cylinder 16 are attached to the combustion cylinder substrate 17, and the combustion cylinder substrate 17 to which the burner portion 14 and the combustion cylinder 16 are attached is attached to the blower box 13. It is intended to be attached.

  Reference numeral 18 denotes an operation unit mounting bracket, which is configured by a main body frame mounting surface 18a fixed to the frame 2 of the hot air heater body 1 by screws 19, and a horizontal plane with respect to the main body frame mounting surface 18a. An operation unit mounting surface 18b for mounting the unit 7, a display unit mounting surface 18c for mounting the display unit 8 at substantially the center, and both ends of the operation unit mounting surface 18b. An operation portion fixing hole 18d for fixing the operation portion unit 7 with screws 20 is formed at both ends of the operation portion attachment surface 18b, and the main body frame attachment surface 18a is formed inside the operation portion fixing hole 18d. A front panel locking portion 18e for fixing the front panel 3 to the frame 2 by hooking the insertion claws 3a formed on the front panel 3 is formed at both upper ends of the front panel 3. The front panel 3 is attached by inserting the insertion pawl 3a of the front panel 3 into the gap X of the front panel locking portion 18e, fixing the upper position of the front panel 3 and placing the lower end 3b of the front panel 3 on the table 6. The front panel 3 is fixed by screwing the cut and raised parts 6a.

  The front panel locking portion 18e forms a gap X of about 0.5 mm between the frame 2 and the insertion claw 3a (plate thickness of about 0.5 mm) of the front panel 3 is inserted into the gap X. The front panel 3 is attached in close contact with the frame 2, but when a force is applied to the front panel such as when a person collides with the corner of the front panel during assembly work or when using the heater, the front panel locking portion 18e If the gap X is deformed and the gap X widens, the frame 2 and the front panel 3 are not in close contact with each other, or there is a gap, or the front panel 3 does not become horizontal with respect to the frame 2 and is displaced obliquely. Thus, it looks bad.

  The operation unit 7 includes an operation unit main body 7a made of a synthetic resin and a switch unit 7c provided on the upper surface of the operation unit main body 7a and provided with various switches 7b such as operation switches. Fixing portions 7e formed with fixing screw holes 7d are provided at both ends of the front and rear sides of the inner side of the fixing portion 7e, and the contact surface on the front side of the front panel locking portion 18e is pressed to be deformed. A plurality of ribs 7f to prevent are provided. By adjusting the height of the rib 7f, the pressing strength between the front panel locking portion 18e and the operation unit unit 7 can be easily adjusted, and the gap dimension can be easily adjusted. 3 can be mounted smoothly, and a suitable size for preventing deformation of the front panel locking portion 18e can be easily adjusted.

  In the hot air heater main body 1, fuel from a cartridge type tank (not shown) for supplying liquid fuel such as kerosene is temporarily stored in a fixed tank 21, and the fuel in the fixed tank 21 is supplied to an oil feed pipe. An electromagnetic pump (not shown) is pumped to the burner unit 14 through (not shown), and combustion air is blown to the burner unit 14 through the blower pipe 23 by the combustion fan 22 so that the burning of kerosene is performed. The heat generated by the combustion is heated as a hot air and blown into the room through the hot air outlet 9 to heat the room.

  Reference numeral 24 denotes a human sensor provided at the right end of the display unit 8. When the presence of a person is detected, the set temperature is compared with the temperature value of the current room temperature, and the optimum fuel flow rate and supply air amount are compared. The normal combustion control operation is performed, and when the presence of a person is not detected, the combustion amount of the burner unit 14 is changed to minute combustion, thereby performing an energy saving operation that saves fuel consumption.

Next, the mounting structure of the front panel 3 of the present embodiment will be described.
First, the operation unit mounting bracket 18 is fixed to the upper surface plate 4 with screws 19 and to the rear surface plate 5 with two screws on the frame 2 of the hot air heater body 1 with screws 19.

  Next, the fixing screw holes 7 d provided on the left and right sides of the operation unit unit 7 are penetrated by the screws 20, and the operation unit unit 7 is screwed into the operation unit fixing holes 18 d of the operation unit mounting bracket 18. 7f is in close contact with the front surface of the front panel locking portion 18e to prevent deformation of the front panel locking portion 18e.

  Next, after the display unit 8 is fitted and fixed to the operation unit mounting bracket 18, the insertion claw 3a of the front panel 3 is inserted into the gap X of the front panel locking portion 18e, and the upper position of the front panel 3 is fixed to the front panel 3 If the lower end 3b of the panel 3 is screwed to the cut and raised 6a provided on the pedestal 6, the front panel 3 is fixed. The fixing method of the lower end portion 3b of the front panel 3 may be fixed to the lower portion of the side surface of the back plate 5 instead of fixing to the pedestal 6.

  As described above, even when a force is applied to the front panel 3 for some reason, the operation panel unit 7 is brought into contact with and fixed to the front surface of the front panel locking portion 18e, so that the front panel locking portion 18e is deformed. The gap X formed between the frame 2 and the operation unit mounting bracket 18 is widened, and the frame 2 and the front panel 3 are not in close contact with each other. Thus, the front panel 3 does not become horizontal but does not shift obliquely and can be fixed firmly, so that the appearance is not impaired and the design can be ensured reliably.

  In addition, since the plurality of ribs 7f are provided on the operation unit unit side of the contact surface where the front panel locking unit 18e comes into contact with the operation unit unit 7, the front panel locking can be achieved by adjusting the height of the ribs 7f. The contact strength between the portion 18e and the operation unit 7 can be easily adjusted, the gap dimension can be easily adjusted, and the front panel 3 can be attached more smoothly during the assembly work.

1 Hot Air Heating Machine Body 2 Frame 3 Front Panel 3a Inserting Claw 3a
7 Operation unit 7a Operation unit body 7e Fixing unit 18 Operation unit mounting bracket 18e Front panel locking unit

Claims (2)

  In the hot air heater for attaching the operation unit unit and the front panel to the operation unit mounting bracket fixed to the front surface of the frame body, a front panel locking portion is provided at the upper left and right of the operation unit mounting bracket. A gap is formed between the locking portion and the frame body, and insertion claws provided on the left and right upper portions of the front panel are inserted into the gap to fix the front panel, and face the front surface of the front panel locking portion. The hot air heater is characterized in that a fixed part that comes into contact with the operating part unit is provided in the operation part unit.   The warm air heater according to claim 1, wherein a plurality of ribs are provided on the fixing portion, and the ribs are in contact with a front surface of the front panel locking portion.

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