JP2576935B2 - Protective guard device for hot air heating equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a protective guard device mounted on a front surface of a hot air outlet of a hot air heater.

[0002]

2. Description of the Related Art Since a louver at a hot air outlet of a hot air heating device such as an oil fan heater is heated to a high temperature, a finger or the like comes into contact with the outlet and the vicinity thereof to prevent an accident such as a burn. In order to prevent this, it is common practice to attach a protective guard in front of the hot air outlet. As a method of attaching the protective guard, for example, Japanese Utility Model Publication No. 59-3034
No. 5, as disclosed in Japanese Utility Model Publication No. 62-38193, the protective guard is locked to the heater body by the magnetic force of the magnet. The part is bent in a U-shape so as to elastically engage with the ventilation holes provided on the side of the heater body, and the protective guard is attached to the heater by engaging with the ventilation holes. As shown in Japanese Patent Publication No. 7802, a protective guard is attached to a heater having a screw hole formed at a predetermined position on the back surface using a mounting bracket and a screw. As shown in the drawings, there is known a device in which a protective guard is attached to a heater by utilizing the elasticity of a wire constituting the protective guard and hooking a locking portion of the wire to an outlet of the heater. ing.

[0003]

However, in the above-mentioned protective guard which is mounted by the magnetic pole force of the magnet, the mounting work is extremely easy,
There is a problem in that the locking is insufficient, and it is easily released and lacks safety. Further, the heater that is mounted using the ventilation holes of the heater can be applied only to a heater having ventilation holes on both sides, and lacks versatility. Also,
When mounting using a mounting bracket, it is premised that a screw hole is formed on the back of the heater when mounting, and a protection guard can not be installed without such a heater. Lack of versatility, the protection guard itself also requires a dedicated one, which increases the cost,
The installation takes time. In addition, there is one that is attached by hooking the locking portion of the protective guard to the outlet of the heater, but without using the mounting bracket,
While the protection guard can be easily and securely attached, the protection guard must be manufactured for each model of the heater or according to the size of the outlet, which lacks versatility.

[0004] The present invention solves the above-mentioned problems, and when a protective guard is attached to a hot air heater,
Provided is a protective guard device for a hot-air heating device that does not require a special structure for the hot-air heating device itself and that can be used with any type of hot-air heating device regardless of its shape, width, and the like. The purpose is to:

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, a first aspect of the present invention is a protective guard which is attached to a front surface of a hot air outlet and which has been subjected to a thermal conductivity preventing treatment, and which supports the protective guard and is provided with a thermostat. A protection guard device for a warm air heating device including a support for mounting to a main body of the air heating device, wherein a holding portion for holding an edge of a table of the heating device is provided at a lower end of the support. It is. The invention of claim 2 is
A protection guard device for a hot air heating device comprising: a protection guard attached to a front surface of a hot air outlet and having been subjected to thermal conductivity prevention treatment; and a support for supporting the protection guard and mounting the protection guard to a hot air heating device body. The protective guard is composed of a plurality of protective guard pieces, and the width of the protective guard can be adjusted by deforming or moving each of the protective guard pieces. A third aspect of the present invention is a protective guard device which is attached to a front surface of a hot air outlet of a hot air heating device and has been subjected to a thermal conductivity preventing treatment, and includes a plurality of protective guard pieces. It is configured such that the width can be adjusted by deforming or moving each other.

[0006]

According to the first aspect of the present invention, the column is fixed to the table by gripping the edge of the table of the heating equipment with the grip provided at the lower end of the column supporting the protective guard. As a result, the protection guard is attached to the front of the hot air outlet. According to the configuration of claim 2 or 3,
By deforming or moving each protective guard piece of the protective guard composed of multiple protective guard pieces,
The width of the protective guard can be adjusted and mounted according to the width of the heating device.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIGS. 1 to 4 show an oil hot air heating apparatus to which a protective guard device according to an embodiment of the present invention is attached. An oil warm air heater (hereinafter, referred to as a heater) 1 having a combustor inside is installed on a table 2. Table 2 is J
According to the IS standard, the edge 3 is bent substantially vertically upward, and a groove 4 is formed along the edge 3 so as to serve as a tray when fuel flows out. "Combustion key", "Fire extinguishing key"
An operation panel 5 having the same is provided, and a louver 6 is attached to the opening below the operation panel 5 to form a hot air outlet 7 for blowing out hot air.

The protective guard device attached to the heater 1 having the above-described configuration includes a protective guard 8 formed so as to cover the front surface of the hot air outlet 7 and supports the protective guard 8 from both sides.
It comprises a support 9 for attaching it to the heater 1 body. Then, the support 9 is fixed to the edge 3 of the table 2, so that the protective guard 8 is arranged on the front surface of the hot air outlet 7. Each of the columns 9 is provided with at least two upper and lower fastening holes 11 for engaging a fastening piece 10 of the protective guard 8 described later. In addition, prop 9
A screw hole 12 is formed in the lower part of the support 3, and when the edge 3 is gripped by the lower end of the support 9 and the mounting bracket 13 formed along the shape of the edge 3 of the mounting table 2, Screw hole 1
The support 9 is fixed to the mounting table 2 by screwing the screw 14 to the mounting table 2 via the mounting bracket 13.

The protective guard 8 disposed in front of the hot air outlet 7 is composed of two protective guard pieces 15. Each protective guard piece 15 is surrounded by a frame member formed by bending a single wire to form side rods 15c on both sides of upper and lower rods 15a and 15b parallel to each other. It is composed of a number of guard rods 15d disposed in the space, and is formed in a substantially rectangular shape when viewed from the front and a substantially L shape when viewed from the top. The guard rod 15d is formed by connecting the wire to the upper and lower rods 15a of the frame member.
15b is bent in substantially the same shape, and both ends thereof are attached to the side rod 15c by brazing or the like. Also, side rod 1
From 5c, a fastening piece 10 for fastening the protection guard piece 15 to the support 9 is formed corresponding to the fastening hole 11 of the support 9, and the fastening piece 10 is engaged with the fastening hole 11. As a result, the protection guard 8 is held at a predetermined position in front of the hot air outlet 7.

The two protective guard pieces 15 having the above-mentioned configuration are partially overlapped so that the horizontal length of the protective guard 8 can be adjusted according to the width of the heater 1. In addition, a pair of fastening members 16 is disposed in the overlapping portion. The two protective guard pieces 15 are slidably held in the left-right direction by the fastening hardware 16.
After sliding them in the left-right direction to adjust the lateral length of the protective guard 8, the protective guard 8 is set to a predetermined width by tightening with the screw 17 provided on the fastening member 16. . As shown in FIG. 15, the surface of the wire of the protective guard 8 has been subjected to heat-resistant flocking (one of thermal conductivity preventing processes). That is, heat-resistant short fibers 151 (length: 0.4 to 1 mm) are implanted almost vertically on the surface of the metal wire 150 constituting the protective guard 8 via the heat-resistant adhesive. Since this process is performed, even if the metallic wire 150 constituting the protective guard 8 is heated by the warm air blown out from the heater 1 and the temperature is increased, the protective guard 8 itself does not become hot, and Even when a hand, finger, or the like touches, heat conductivity is suppressed, and burns and the like can be prevented.

Thus, the edge 3 of the table 2 of the heater 1
Is gripped by the lower end of the column 9 and the mounting bracket 13 so that the column 9 is fixed to the table 2 and the protection guard 8
Is arranged in front of the warm air outlet 7. Accordingly, as long as the heater 1 includes the mounting table 2 having the edge 3 bent substantially vertically upward, regardless of the shape of the heater 1, the heater 1 itself has a special processing or structure. , The protective guard 8 can be attached. The width of the protective guard 8 can be adjusted by sliding the two protective guard pieces 15 in the left-right direction, so that any type of heating can be performed regardless of the width of the heater 1. A protective guard 8 can be attached to the machine 1.

The present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention. For example, as a method of fixing the column 9 to the table 2 in this embodiment, the column 9 is attached to the table 2 by using a mounting bracket 13 formed along the shape of the edge 3 of the table 2.
As shown in FIG. 5, the lower end of the support 9 itself is formed along the shape of the edge 3 of the table 2, and the support 9
And the plate-like metal fitting 23 in which the screw hole 12 is formed, the edge 3 is gripped, and the screw 14 is inserted through the support 9 into the screw hole 12.
The support 9 may be fixed to the table 2 by screwing the support 9. Further, a structure in which the support 9 and the mounting bracket 13 are fastened with a male screw and a female screw without providing the screw hole 12 may be employed. Further, a clip spring may be provided at the lower end of the support 9 to provide a leaf spring, and the support 9 may be fixed to the table 2 with one touch by utilizing its elasticity. Fixing to the table 2 is simplified.

As for the structure of the column 9 in the present embodiment, two fixing holes 11 are formed in the column 9 as shown in FIG.
, A plurality of fastening holes 11 may be formed in the horizontal and vertical directions. Thereby, according to the position of the warm air outlet 7 of the heater 1, the mounting position of the protective guard 8 can be adjusted in the horizontal and vertical directions (height), and the positioning is performed by a plurality of fastening holes. It can be easily performed only by selecting an appropriate fastening hole from among the holes 11 and engaging the fastening piece 10 with this.

As shown in FIG. 7, a protection guard support 30 for supporting the protection guard 8 is provided on a support post 29 formed by bending a wire in an inverted U-shape so as to be vertically adjustable. You may. The protective guard support 30 is composed of two plate-like members 30a and 30b.
A fixing hole 11 is formed in each of a and 30b so as to correspond to the fixing piece 10 of the protective guard 8. And these members 30
The protective guard support 30 is held between the support guard 29 by holding the support 29 between the support guards 30a and 30b and screwing the screw 31 through the plate-like member 30a into the screw hole 32 formed in the other plate-like member 30b. 29. Further, a flat plate 34 having a screw hole 33 formed thereon is fixed to the lower end of the column 29, and the column 29 is fixed to the table 2 by the flat plate 34 and the mounting bracket 13, as in the above embodiment. This is performed by gripping the edge 3 and screwing the screw 14 into the screw hole 33 via the mounting bracket 13. Thereby, the protection guard support 30 can be slid up and down along the column 29 according to the position of the warm air outlet 7 of the heater 1, and the protection guard 8 can be attached to a desired position. In addition, the positioning can be performed while the fastening piece 10 of the protection guard 8 is engaged with the fastening hole 11. The protective guard support 30 may be formed by bending a single plate-like member.

Further, as the structure of the protective guard 8 in the above-described embodiment, the protective guard 8 is constituted by two protective guard pieces 15, but as shown in FIG. Alternatively, three protective guard pieces 15 may be used. Further, as shown in FIG. 9, the upper and lower rods 15a and 15b of
5 is disposed perpendicularly to the front of the heater 1 and the contact member 35 is formed of a flexible wire, so that the edge 35
a may adhere along the surface of the heater 1. Thereby, the adhesion between the protection guard 8 and the heater 1 is improved, and the protection guard 8 can be fixed with stability, and the gap generated between the upper and lower rods 15a, 15b and the front surface of the heater 1 is provided. Can be closed, and insertion of a finger or the like can be prevented, and safety can be improved.

Further, as shown in FIG. 10 or 11, the protective guard 8 may be constituted by a lath plate 36.
FIG. 10 shows the lath plate 3 that
FIG. 11 shows an example in which the same plate-shaped member 38 is provided on both sides of the lath plate 36. A long hole 37 extending in the left-right direction is formed in the plate-shaped member 38, and the plate-shaped member 38 and the lath plate 36 are fixed by tightening with the screw 40 through the long hole 37. At the left and right ends of the lath plate 36 and the plate member 38, fastening members 39 for fastening to the columns 9 are provided. The width of the protective guard 8 is
By sliding the plate-shaped member 38 in the left-right direction along the long hole 37, it can be adjusted according to the width of the heater 1.

The protective guard 8 has a bellows structure which can be extended and contracted right and left, and the protective guard 8 is adapted to the width of the heater 1.
The length of the width of the protective guard 8 may be adjusted by expanding and contracting the protective guard 8. Further, of the two protective guard pieces 15 in the present embodiment, the upper and lower rods 15a, 15b and the guard rod 15 of one of the protective guard pieces 15 are provided.
A hollow portion may be formed in d, and the upper and lower bars 15a, 15b and the guard rod 15d of the other protective guard piece 15 may be inserted into the hollow portion. This eliminates the necessity of disposing the fastening member 16 at the overlapping portion of the two protective guard pieces 15, and slides the upper and lower rods 15a, 15b and the guard rod 15d in the left-right direction, thereby providing the protective guard 8 The length of the width of can be adjusted.

The number of the posts 9, the fastening pieces 10, and the fastening holes 11 is not limited, and the support 9, the fastening pieces 10, and the Three or more fastening holes 11 may be provided respectively. Further, in the above-described embodiment, the surface of the wire of the protective guard 8 is heat-resistant flocked as the thermal conductivity preventing treatment, but the wire itself may be formed of plastic or ceramic.

Further, in this embodiment, the two protective guard pieces 15 are clamped by a pair of tightening fittings 16 having a length substantially equal to their vertical width. Although the dimensions are set to the dimensions, the invention is not limited to this. For example, as shown in FIGS. 12 and 13, the upper rod 15a of the two protective guard pieces 15 and the guard rod 15d located immediately below it. , And the lower rod 15b and the guard rod 15d located immediately above the lower rod 15b,
The width may be set to a predetermined width by clamping and turning the knob 43 having a screw. In addition, as shown in FIG.
Of the upper and lower rods 15a and 15b are flattened, and a round hole 44 is formed on one side, and a long hole 45 extending in the left-right direction is formed on the other side, and the screw of the knob 43 is inserted through the round hole 44 and the long hole 45. Alternatively, the nut 46 may be used for tightening.

[0020]

As described above, according to the first aspect of the present invention,
By gripping the edge of the table of the heating device with the grip provided at the lower end of the column, the column is fixed to the table, and the protective guard is arranged in front of the hot air outlet. Thereby, as long as the heating device is provided with a mounting table having an edge bent substantially vertically upward, regardless of the shape of the heating device, and without requiring any special processing or structure on the heating device itself, A protective guard can be attached, a versatile protective guard can be realized, and the cost is reduced. According to the second or third aspect of the present invention, the width of the protective guard can be adjusted by sliding or deforming the plurality of protective guard pieces in the left-right direction. It can be used with any kind of heating equipment regardless of its width, and can be fitted with a protective guard with versatility.

[Brief description of the drawings]

FIG. 1 is a perspective view of an oil hot air heater equipped with a protective guard device according to one embodiment of the present invention.

FIG. 2 is a partially cutaway front view of the oil hot air heating equipment to which the protective guard device according to the present embodiment is attached.

FIG. 3 is a partial plan view of an oil hot air heating device to which the protective guard device according to the present embodiment is attached.

FIG. 4 is a perspective view of the protective guard device according to the present embodiment.

FIG. 5 is a front view of a main part of an oil hot air heating device to which a protective guard device according to another embodiment is attached.

FIG. 6 is a side view of an oil hot-air heating device equipped with a protective guard device according to another embodiment.

FIG. 7 is an exploded perspective view of a column according to another embodiment.

FIG. 8 is a plan view of a protective guard device according to another embodiment.

FIG. 9 (a) is a plan view of an oil hot air heating device to which a protective guard device according to another embodiment is attached, and FIG. 9 (b) is a partial perspective view thereof.

FIG. 10A is a plan view of a protective guard device according to another embodiment, and FIG. 10B is a front view thereof.

FIG. 11A is a plan view of a protective guard device according to still another embodiment, and FIG. 11B is a front view thereof.

12A is a front view of a main part of a protective guard device according to another embodiment, and FIG. 12B is a cross-sectional view thereof.

FIG. 13A is a front view of a main part of a protective guard device according to another embodiment, and FIG. 13B is a cross-sectional view thereof.

FIG. 14A is a perspective view of a main part of a protective guard device according to another embodiment in an exploded state, and FIG. 14B is a sectional view thereof.

FIG. 15A is a partial perspective view showing a wire surface treatment state of a protective guard, and FIG. 15B is an enlarged sectional view of the wire.

[Explanation of Signs] 1 Hot Oil Heater 2 Stand 3 Edge 7 Hot Air Outlet 8 Protective Guard 9 Prop 10 Fixing Piece 11 Fixing Hole 13 Mounting Bracket 15 Protective Guard Piece

 ──────────────────────────────────────────────────続 き Continuation of the front page (72) The inventor Shuichi Hiramatsu 2-7-115 Kita Kamei-cho, Yao-shi, Osaka Inside Silver Co., Ltd.

Claims (3)

(57) [Claims] 1. A hot air heating device comprising: a protection guard attached to a front surface of a hot air outlet and having been subjected to thermal conductivity prevention treatment; and a support for supporting the protection guard and mounting the protection guard to a hot air heating device body. A protective guard device for a hot air heating device, wherein a grip portion for gripping an edge of a table of the heating device is provided at a lower end portion of the pillar. 2. A hot air heating apparatus comprising: a protection guard attached to a front surface of a hot air outlet and having been subjected to thermal conductivity prevention treatment; and a support for supporting the protection guard and attaching the protection guard to a hot air heating apparatus body. A protective guard device, wherein the protective guard is composed of a plurality of protective guard pieces, and the width of the protective guard can be adjusted by deforming or moving each protective guard piece. Features a protective guard device for hot air heating equipment. 3. A protective guard device attached to a front surface of a warm air outlet of a warm air heating device and having been subjected to a thermal conductivity preventing treatment, wherein the protective guard device includes a plurality of protective guard pieces. A protective guard device for a hot-air heating device, characterized in that the width can be adjusted by deforming or moving the pieces together.