JPH0248723Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention relates to a gas hearth that is placed on a tatami mat or the like.

(Prior Art) This type of gas hearth includes a square box-shaped outer frame having an opening at the center of the upper surface, a receiving frame provided within the outer frame and having a recessed portion in the center, a burner provided within the recessed portion, and It consists of many parts, such as a gas valve device that is installed between the outer frame and the receiving frame and supplies gas to the burner, and conventionally, each part has been assembled by attaching them one after another using screws or the like.

(Problems to be Solved by the Invention) However, the conventional gas hearth with such a structure has a problem in that assembly work, disassembly and repair, etc. are time-consuming. The present invention attempts to solve the above problems by subassembling each part into two main parts and simplifying the connecting structure of these two parts.

(Means for Solving the Problems) For this purpose, the present invention, as shown in the attached drawings, includes a box-shaped outer frame A having an opening 13 at the center of the upper surface, and a recess at the center provided inside the outer frame A. 33, and a burner 5 provided in this recess 33.
0 and a gas hearth equipped with a gas valve device 41 provided between the outer frame A and the receiving frame 30 and supplying gas to the burner 50, the outer frame A has a side wall around the upper plate 11 having an opening 13 in the center. A main body 10 formed by hanging and fixing a base plate 12, and a bottom plate 2 separate from the main body 10.
0, a gas valve device 41 provided with a main nozzle 41a is fixed to the main body 10, and an upper plate 11 is fixed to the main body 10.
An engagement groove 14 surrounding the opening 13 is provided on the lower surface 11a of the frame 30, and the receiving frame 30 includes a horizontal middle plate 31 that is integrally connected to each other, and an inner plate 32 that rises from the periphery of the middle plate 31.
It consists of a recess 33 provided at the lower center of the middle plate 31 and support legs 34 provided around the recess 33 in the middle plate 31, and a burner 50 is fixed in the recess 33.
The upper edge 32a of the inner plate 32 is engaged in the engagement groove 14 to position the receiving frame 30 with respect to the main body 10, and the main nozzle 41a is connected to the gas supply port 5 of the burner 50.
3 and screwed to the main body 10;
The receiving frame 30 is sandwiched within the outer frame 10 by supporting the tip of the support leg 34 in contact with the outer frame 10 to prevent the engagement groove 14 from separating from the upper edge 32a of the inner plate 32. .

(Function) When assembling the gas hearth of the present invention, the first
As shown in the figure, the main body 10 to which the gas valve device 41 is fixed in advance is placed upside down, and the burner 5 is placed inside it.
Turn over the receiving frame 30 to which 0 is fixed, and stack the receiving frame 30.
The upper edge 32a of the inner plate 32 is connected to the lower surface 11a of the upper plate 11.
The receiving frame 30 is positioned relative to the main body 10 by engaging in the engagement groove 14 of the receiving frame 30, and at the same time, the gas supply port 53 of the burner 50 on the receiving frame 30 side is engaged and connected to the main nozzle 41a on the main body 10 side. Then, the bottom plate 20 is placed over it, and with the bottom plate 20 in contact with the tips of the support legs 34, screws are screwed to the main body 10, and the receiving frame 30 is sandwiched and assembled between the main body 10 and the bottom plate 20.

(Effect of the invention) The present invention with the above structure sub-assembles each part into two parts, the main body and the receiving frame, and these two parts are mutually engaged and positioned, and are interlocked by simply being held between the bottom plate. Since it can be assembled into two parts, the effort required for assembly is reduced, and the internal structure can be exposed by simply removing the bottom plate, making repairs and inspections easier.

(Example) Hereinafter, an example of the present invention will be described with reference to the accompanying drawings. As shown in Figures 1 to 3, the outer frame A of the gas hearth consists of a main body 10 and a bottom plate 20, which is separate from the main body 10 and fixed to the main body 10 with screws, and has a rectangular box shape as a whole. There is. The main body 10 consists of a rectangular top plate 11 having a square opening 13 in the center and side walls 12 hanging down and fixed on its four sides. Corner posts 17 are provided at the four inner corners, and these top plate 11, side walls 12 and The corner post 17 is made of wood and joined together by nailing, gluing, etc. The lower surface 11a of the upper plate 11 is provided with a narrow engagement groove 14 that surrounds the opening 13 along the entire outer circumference, and the side wall 12 is provided with a rectangular mounting hole 15 and a ventilation hole 16 that also serves as a handle. It is being The bottom plate 20 is also made of wood and is fitted to the inner periphery of the lower edge of the peripheral wall 12 of the main body 10.
It is removably fixed to the corner post 17 with screws 22.

As shown in FIGS. 1 to 3, the receiving frame 30 provided in the outer frame A includes a square-shaped middle plate 31 with a round hole 31a in the center, and an inner plate 3 rising from the four sides of the square-shaped middle plate 31.
2, a recess 33 provided at the center of the lower side of the middle plate 31,
It also consists of support legs 34 provided at the four corners of the lower side,
The middle plate 31, the inner plate 32, the recess 33, and the support legs 34 are made of sheet metal and are integrally formed by welding or the like. The horizontal cross-sectional shape of the inner plate 32 is a rectangular shape that can be engaged in the engagement groove 14 around the entire circumference.
Ventilation holes 36 and 37 are provided in the peripheral wall of the recess 33, and a burner support stand 35 made of sheet metal is provided in the bottom plate.
are fixed together. A burner head 51 of a burner 50 is fixed to the center of the recess 33 via a burner support 35, and a cylindrical portion 52 of the burner 50 extends outward from the recess 33 through the ventilation hole 37.
A gas supply port 53 is provided at its tip.

As shown in FIGS. 2 and 4, an operation panel 40 is fixed to the mounting hole 15 of the side wall 12, and a gas valve device 41 is supported by this operation panel 40 at one corner of the main body 10. This gas valve device 41 is provided with a main nozzle 41a, which is controlled to open and close by a gas amount adjustment knob 42 protruding from the mounting plate 40, to supply gas from a gas source connected via a gas hose joint 45 to the main nozzle 41a. It is something to send. When this gas hearth is assembled, the main nozzle 41a is engaged and connected to the gas supply port 53 of the burner 50, as shown in FIGS. 2 and 3, and the gas from the main nozzle 41a is supplied to the burner head 51. It is something that will be done. Also,
As shown in FIGS. 2 and 4, the operation panel 40 is provided with an ignition device 43 and an ignition knob 44 to operate a spark plug (not shown) provided near the burner head 51 to ignite the gas from the burner head 51. However, the operation panel 40 further includes an ignition indicator lamp 4.
7 and a battery case 46 for storing a battery serving as a power source for these devices. A heating sensor (not shown) such as a bimetal is provided near the upper side of the main nozzle 41a in the main body 10, and if a flame is generated near the main nozzle 41a due to a blockage in the burner head 51 or a backup fire, the heating sensor detects the flame. This is detected and the gas is shut off using a solenoid valve to prevent danger.

As described above, the gas valve device 41, gas amount adjustment knob 42, ignition device 43, ignition knob 44, gas hose joint 45, battery case 46, and ignition indicator lamp 47 are attached to the operation panel 40, and necessary piping and wiring are performed. is sub-assembled to the main body 10, and placed upside down as shown in FIG. 32
A is placed on the lower surface 11a of the upper plate 11. In this state, the main nozzle 41a and the gas supply port 53 are close to each other and face each other with a slight difference in level, but are not engaged with each other. Next, the receiving frame 30 is shifted in the direction of arrow Y while applying some force so as to eliminate the difference in level, and the upper edge 32a of the inner plate 32 is aligned with the engagement groove 14.
At the same time, the gas supply port 53 is engaged and connected to the main nozzle 41a. Next, as shown by arrow Z, the bottom plate 20 is fitted onto the inner periphery of the lower edge of the periphery 12 of the main body 10, and is brought into contact with the lower end of each support leg via the wood 21 fixed to the bottom plate 20, and the bottom plate 20 is screwed into place. It is fixed to the corner post 17 of the main body 10 with nails 22. As a result, the receiving frame 30 is connected to the main body 10 and the bottom plate 2.
0, and lateral movement is prevented by engagement between the upper edge 32a of the inner wall plate 32 and the engagement groove 14.

The main body 10 assembled together as described above
After the bottom plate 20 and the receiving frame 30 are turned upward as shown in FIG. This implementation can be carried out by installing a trivet 62 on the outer periphery of a pseudocharcoal skeleton 61 having a shaped protrusion 61a and an opening 61b, and further placing pseudoash made of finely crushed quartz or the like on the middle plate 31 outside the pseudocharcoal skeleton 61. The example gas hearth is completed.

Gas is supplied through a hose connected to the gas hose joint 45, and when the ignition knob 44 is operated, gas flows out from the burner head 51 and ignited by the ignition plug, and the size of the flame in the burner head 51 is adjusted by operating the gas amount adjustment knob 42. Change. Combustion air is supplied through the ventilation hole 16 of the main body 11 and the ventilation hole 3 of the recess 33.
6, 37 to the burner head 51,
The combustion gas heats the charcoal skeleton 61 from the inside to generate radiant heat, and at the same time passes upward through the opening 61b and heats a pan or the like (not shown) on the trivet, thereby heating the surrounding area.

In this embodiment, the overall shape is square, but the opening, the outer frame, and the top plate are not limited to the square shape, and can of course be set to any suitable shape such as a circle or an ellipse.

[Brief explanation of the drawing]

The drawings show an embodiment of the gas hearth according to the present invention. Fig. 1 is a cross-sectional view showing the sub-assembled parts turned upside down and separated from each other, and Fig. 2 is a partially broken view of the assembled state. Plan view, Figure 3 is the second
FIG. 4 is a partially broken front view. Explanation of symbols, 10...Main body, 11...Top plate, 1
1a... Bottom surface, 12... Side wall, 13... Opening, 1
4... Engagement groove, 20... Bottom plate, 30... Receiving frame, 3
1...middle plate, 32...inner plate, 32a...upper edge,
33... recess, 34... support leg, 41... gas valve device, 41a... main nozzle, 50... burner, 53... gas supply port, A... outer frame.

Claims (1)

[Scope of utility model registration request] A box-shaped outer frame having an opening at the center of the upper surface, a receiving frame provided within the outer frame and having a recessed portion in the center, a burner provided within the recessed portion, and a receiving frame provided between the outer frame and the receiving frame. In a gas hearth equipped with a gas valve device for supplying gas to a burner, the outer frame consists of a main body formed by suspending and fixing a side wall around an upper plate having an opening in the center, and a bottom plate separate from the main body. , the gas valve device provided with a main nozzle is fixed to the main body, and an engagement groove surrounding the opening is provided on the lower surface of the upper plate, and the receiving frame is connected to a horizontal middle plate that is integrally connected to each other. It consists of an inner plate rising from the periphery of the intermediate plate, the recess provided at the lower center of the intermediate plate, and support legs provided around the recess on the intermediate plate, and the burner is fixed in the recess, The upper edge of the inner plate is engaged in the engagement groove to position the receiving frame with respect to the main body, and the main nozzle is connected to the gas supply port of the burner, and the support leg is attached to the bottom plate screwed to the main body. A gas hearth characterized in that the receiving frame is held within the outer frame by abutting and supporting a tip of the inner plate to prevent the engagement groove from separating from the upper edge of the inner plate.