KR100719772B1 - A water-cooled convection roaster - Google Patents

Abstract

Disclosed is a natural convection type water-cooled flame. The roasting machine includes a main body having an upper portion and having a receiving space therein, and a grill disposed at an upper portion of the main body. The heat source is accommodated inside the main body. The grill includes a water tank for accommodating water, and a grill pipe installed on an inner circumferential side of the water tank. On the inner circumferential side of the water tank, a hole is formed to insert the grill pipe. A periphery of the hole is provided with a support piece in which the inner circumferential surface of the water tank is bent inward. The welded part is formed in the part where the inner peripheral surface of the water tank and the grill pipe contact. A handle is attached to the grill pipe disposed at the outermost side from the center of the grill. The handle is partially installed to be movable up and down. The water tank is provided with a detachable steam discharging means for discharging steam. The vapor discharge means is in contact with the top of the body. The body is provided with an outlet and discharge conduit in communication with the vapor discharge means. The bottom of the discharge conduit is provided with a drip tray.

According to the present invention configured as described above, it is possible to smoothly discharge the steam generated from the inside when the grill is heated to the outside. In addition, according to the present invention, the durability of the grill can be expected, the handle of the grill is convenient to use.

Fire, coolant, steam, exhaust

Description

Natural convection type water cooled direct roaster {A WATER-COOLED CONVECTION ROASTER}

1 is a perspective view of a water-cooled fire mouth according to the invention,

Figure 2 is a cross-sectional view of the water-cooled fire mouth according to the invention,

Figure 3 is a perspective view of the grill of the water-cooled loom according to the present invention,

4 is a cross-sectional view of the grill of the water-cooled direct fire appliance according to the present invention,

5 is a cross-sectional view of the steam discharge means according to the first embodiment of the present invention;

6 is a cross-sectional view showing a steam discharge state of the steam discharge means shown in FIG.

7 is a cross-sectional view showing a steam discharge state of the steam discharge means according to the second embodiment of the present invention;

8 is a cross-sectional view showing the external air inflow state of the steam discharge means shown in FIG.

9 is a cross-sectional view showing a steam discharge state of the steam discharge means according to the third embodiment of the present invention;

10 is a cross-sectional view showing a steam discharge state of the steam discharge means according to the fourth embodiment of the present invention;

11 is an exploded perspective view of a meat roaster according to the prior art, and

12 is a cross-sectional view of the plate of the meat grill according to the prior art.

※ Explanation of code for main part of drawing

100: body 102: drip tray

108: outlet 110: discharge conduit

200: grill 210: water tank

216: bulkhead 220: grill pipe

224: handle 300 400, 500, 600: steam discharge means

The present invention relates to a natural convection type water-cooled fireball for discharging steam generated in the grill to the outside when the grill is circulated with water.

In general, in the case of a conventional meat ball, the meat is grilled on a grilled grill without being directly heated by heat sources such as electricity, gas, and charcoal, so that a film is formed on the lower surface of the meat before the meat is cooked, thereby preventing fat leakage. Could not provide taste. In addition, in the case of such meat balls, there are many problems such as the burning of food adversely affects health and difficulty in cleaning the grill.

Therefore, in order to solve such a problem, the applicant has filed a "meat grill having an unplate cooling device (Utility Model Registration No. 175602)".

Fig. 11 shows the meat roaster disclosed in the above document disassembled, and Fig. 12 shows the plate of the meat roaster.

As shown in FIG. 11, the meat roaster 80 includes: a fire plate 10 having a cooling fluid circulation tube 1 attached to an inner side of the frame 5; A cooling fluid inlet 11 and a cooling fluid outlet 13 to which the cooling fluid circulation pipe 1 of the platen 10 is connected are respectively formed, and are switched between the cooling fluid inlet 11 and the cooling fluid outlet 13. A main body 20 to which 15 is attached; A circulating pump 30 connected to the cooling fluid outlet 13 to control the operation according to the on / off of the switch 15; A fluid tank 40 for supplying a cooling fluid to the circulation pump 30 and storing the cooling fluid introduced through the cooling fluid inlet 11; It consists of a heater 50 to adjust the water temperature of the fluid tank 40.

Here, the fire plate 10 is mounted on the upper portion of the main body 20 to support the meat. The baffle plate 10 is configured by attaching the cooling fluid circulation pipe 1 to the inside of the rectangular frame 5. The cooling fluid circulation pipe 1 is formed by repeatedly refracting the fluid flowing through the fluid and arranging them at equal intervals. Cooling fluid circulation pipe (1) is coupled to the main body 20 as both ends of the protruding through the side of the frame (5).

The main body 20 is provided with a built-in space of the charcoal container 120, the fire plate 10 is mounted. Cooling fluid inlet 11 and cooling fluid outlet 13 are formed on one side of main body 20, respectively. The front end of the cooling fluid circulation pipe 1 is connected to the cooling fluid inlet 11 and the cooling fluid outlet 13, respectively. A switch 15 is attached between the cooling fluid inlet 11 and the cooling fluid outlet 13. The switch 15 is connected to a power supply line to interrupt the power supplied to the circulation pump 30.

The fluid tank 40 supplies the cooling fluid to the cooling fluid circulation pipe 1 of the fire plate 10 and is connected to the circulation pump 30 by a hose 31. One side of the fluid tank 40 is connected to the cooling fluid inlet 11 of the main body 20, and the other side is provided with a water supply 33 having a float valve 32 therein. The water supply part 33 is connected to the external water supply means through the hose 31. By adjusting the water supply and the number of stages in accordance with the opening and closing of the float valve 32, the amount of cooling fluid of the fluid tank 40 is kept constant.

In addition, bellows 40A and 40B are formed in the fluid tank 40. The bellows 40A, 40B provides the fluid tank 40 with flexibility so that the fluid tank 40 can be easily installed. The heater 50 is provided inside the fluid tank 40. The heater 50 heats the cooling fluid stored in the fluid tank 40. This is to avoid taking a long time for the platen 10 to be heated in the early stage of operation of the meat grill, and to prevent the platen 10 from being excessively cooled during use.

In the figure, reference numeral 5A denotes a handle of the fire plate 10, and reference numeral 34 denotes a hose connected to the water pipe.

Looking at the operation of the meat grill configured as described above, by placing the fire plate 10 on the upper portion of the main body 20, the front end of the cooling fluid circulation pipe 1 is connected to the cooling fluid inlet 11 and the cooling fluid outlet 13, respectively Be sure to Accordingly, the switch 15 is turned on, and the water inside the fluid tank 40 is supplied to the fire plate 10. Then, the cooling fluid returns to the inside of the fluid tank 40 after passing through the cooling fluid circulation pipe 1.

However, the meat ball according to the prior art had the following problems.

Since the fire plate 10 is continuously heated while cooking meat, the cooling fluid flowing inside the cooling fluid circulation pipe 1 is overheated to generate steam. As a result, the cooling effect of the cooling fluid circulation pipe 1 is lowered. In addition, since the steam does not escape to the outside, the internal pressure of the cooling fluid circulation pipe 1 is increased. Thus, the cooling fluid does not flow smoothly into the cooling fluid circulation pipe (1). Therefore, this also lowers the cooling effect of the cooling fluid circulation pipe (1).

In addition, there was a problem in the installation of the structure is complicated and bulky, and a device such as a pump or a heater is additionally provided, which includes a problem of failure.

On the other hand, referring to the cross section of the bull plate 10 with reference to Figure 12, it can be seen that the structure of the cooling fluid circulation pipe 1 is installed inside the frame (5). That is, after making a hole in the inner surface of the frame 5, the cooling fluid circulation pipe 1 was inserted in the hole and welded.

However, in the case of the plate 10 of the meat ball 80 according to the prior art, there is a problem that the cooling fluid circulation pipe 1 is not firmly fixed to the frame 5 because it is coupled only by welding. In addition, when corrosion occurs in the welding site, there was a problem that the frame 5 and the cooling fluid circulation tube 1 are easily separated from each other.

In addition, the handle 5A of the fire plate 10 protrudes to the upper portion of the fire plate 10, causing inconvenience to the user, such as being caught by clothing or preventing food from moving.

The present invention has been made to solve the above problems, the first object of the present invention, when the water flowing inside the grill when the grill is changed to steam, natural convection to smoothly discharge the steam to the outside It is to provide a water-cooled broiler of the method.

In addition, a second object of the present invention is to provide a water-cooled roasting roaster of the natural convection method to improve the coupling structure of the grill to increase the durability of the grill.

In addition, a third object of the present invention is to provide a water-cooled direct roaster of a natural convection method to improve the handle installation structure of the grill to provide convenience to the user.

In addition, the fourth object of the present invention is to provide a natural convection type water-cooled roasting roaster that reduces the risk of failure by providing a simple structure without the pump or heater.

In order to achieve the above objects, the water-cooled roasting apparatus according to the present invention,

A main body having an upper portion open to receive fuel and heat and having an accommodating space therein for accommodating a heat source; And

It is arranged on the upper part of the main body, the vapor discharge means for discharging the steam is provided detachably and installed on the inner circumferential side of the water tank to communicate with the inside of the water tank and a loop-type water tank having a receiving space therein And a grill made of grill pipes.

Steam discharging means according to an aspect of the present invention is installed to communicate with the interior of the water tank, one end of the discharge pipe protruding out of the water tank in contact with the main body, and coupled to one end of the discharge pipe protruding out of the water tank And a cap having a discharge hole, a floating body provided to be movable inside the discharge pipe to open and close the discharge pipe, and arranged to be spaced apart from an inner surface of the discharge pipe, and a spring provided between the cap and the floating body to elastically support the floating pipe.

Preferably, the diameter of the end of the discharge pipe located inside the water tank is formed smaller than the diameter of the floating body.

Preferably, the discharge pipe is installed so that the end of the discharge pipe located inside the water tank is close to the upper surface of the water tank, so as to discharge only the steam in the water tank.

Preferably, a packing is provided on the outer circumference of the floating body in contact with the portion where the diameter of the discharge pipe is narrowed.

Steam discharging means according to another aspect of the present invention is installed so as to communicate with the interior of the water tank and one end protruding out of the water tank in contact with the main body, the bolt coupled to the nut and the discharge hole is formed along the central axis and A first shaft having one end larger than the diameter of the discharge hole and disposed outside the bolt and the other end inserted into the discharge hole at intervals from the inner surface of the discharge hole, and one end coupled to the other end of the first shaft; The second end has a diameter larger than the diameter of the discharge hole and includes a second shaft disposed inside the water tank, and a spring installed on an outer circumference of the second shaft to elastically support the first and second shafts against the bolt.

Preferably, through holes are formed in the first and second shafts along the central axis, and support ends are formed in the through holes of the first shaft, and ball packings are inserted to be caught by the support ends, and springs elastically support the ball packings. This is installed.

Preferably, a packing is installed between the nut and the bolt.

Preferably, a packing is installed on the outer circumference of the first shaft located outside of the bolt.

Steam discharging means according to another aspect of the present invention is installed so as to communicate with the interior of the water tank, one end of the nut protrudes out of the water tank in contact with the main body, and coupled to the inside of the nut and one end is blocked And a cylinder in which a discharge hole is formed at the closed end thereof.

Preferably, the cylinder is installed so that the end of the cylinder located inside the water tank is close to the upper surface of the water tank, so as to discharge only the steam inside the water tank.

Preferably, one of the upper part of the main body is provided with a discharge port so as to communicate with the steam discharge means, and the discharge conduit is provided inside the main body to run from the discharge port to the lower part of the main body.

Preferably, the bottom of the main body is provided with a drip tray.

Preferably, the water tank is cast in a loop or made using square and round pipes.

Preferably, inside the water tank, a partition wall is provided around the vapor discharge means so as to be close to the upper surface of the water tank.

Preferably, a support piece bent toward the inside of the water tank is formed on the inner circumferential side of the water tank along the shape corresponding to the outer circumference of the grill pipe, and the grill pipe is supported by the support piece and inserted into the water tank. The inner circumferential side of the water tank and the part where the grille pipe is in contact are welded.

Preferably, a handle is attached to the outermost grill pipe of the grill, and the handle is configured to be movable up and down a portion, and is installed such that the maximum height when moved downward is lower than the upper portion of the grill 200. .

According to the present invention configured as described above, by providing a steam discharge means because it is a direct grill, when the water flowing inside the grill is changed to steam when the grill is heated, the steam can be smoothly discharged to the outside.

In addition, according to the present invention, since the weld area of the grill pipe and the water tank is expanded and firmly coupled to each other, the grill may be strong against external impact and durability may be increased.

In addition, according to the present invention, the handle does not protrude to the top of the grill when using the grille can provide convenience to the user.

In addition, according to the present invention, since it has a simple structure without providing a pump, a heater, or the like, the risk of failure is reduced.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

1 and 2 illustrate a roasting machine according to the present invention, and FIGS. 3 and 4 illustrate grills of the roasting machine.

The roasting machine according to the present invention includes a main body 100 having an upper portion and having a receiving space 104 therein, and a grill 200 disposed above the main body 100. The heat source is accommodated in the accommodation space 104 of the main body 100, and a control knob 106 for controlling the thermal power of the heat source is installed on one side of the upper portion.

The grill 200 includes a loop type water tank 210 having a receiving space 214 therein and a grill pipe 220 installed at an inner circumferential side of the water tank 210. The water tank 210 is formed using square and round pipes or cast by a mold. A handle 224 is attached to the grill pipe 220 disposed at the outermost side from the center of the grill 200. The handle 224 is configured such that the upper portion is movable up and down. Thus, it only protrudes above the grill 200 when using the handle 224 to lift the grill 200. On the contrary, when the grill 200 is used, the maximum height when a part of the handle 224 moves downward is positioned lower than the upper portion of the grill 200. On the other hand, although not shown, a fixing means such as a ring is installed on the inner circumferential side of the water tank 210, and the handle 224 is installed on the fixing means so as to be movable up and down. Those skilled in the art will be able to install the handle 224 to the water tank 210 to move up and down using a variety of other methods.

The water tank 210 is provided with a steam discharge means (300, 400, 500, 600) for discharging the steam. Steam discharging means (300, 400, 500, 600) is provided on the bottom of the water tank 210 to contact the upper portion of the main body (100). A discharge port 108 is provided at an upper portion of the main body 100 to which the steam discharge means 300, 400, 500, 600 contacts, and a discharge conduit 110 extending from the discharge hole 108 to the lower portion of the main body 100 is provided. It is provided inside. And a drip tray 102 is provided below the discharge conduit 110. Of course, the vapor discharge means (300, 400, 500, 600) may be provided on the upper surface and side of the water tank (210).

A hole appears in the place where the steam discharge means 300, 400, 500, 600 is removed from the water tank 210, and water is injected into the water tank 210 through the hole. That is, after separating the steam discharging means (300, 400, 500, 600) from the water tank 210, water is injected to the bottom of the water tank 210 facing upward. Then, the water tank 210 is turned upside down and its bottom face down, and the vapor discharge means (300, 400, 500, 600) is mounted on the bottom of the water tank (210) and then used on the main body (100). Therefore, the direct fire tool does not have to be provided with a pump for water injection. In addition, the roasting apparatus according to the present invention does not have a heater and has a simple structure.

Meanwhile, referring to FIG. 4, the grill pipe 220 has an end portion inserted into the water tank 210 and welded at a portion in contact with the water tank 210. Holes are formed in the inner circumferential side of the water tank 210 in a form corresponding to the outer circumference of the grill pipe 220, which is formed by bending the inner circumferential surface of the water tank 210 inward. Thus, the support piece 218 is provided toward the inside of the water tank 210 along the circumference of this hole. The support piece 218 supports the grill pipe 220 inserted into the water tank 210. A weld 242 is formed at a portion where the inner circumferential surface of the water tank 210 and the grill pipe 220 contact each other. During welding, since the welding liquid flows along the support piece 218 of the water tank 210, the water tank 210 and the grill pipe 220 are more firmly coupled.

5 to 10 show embodiments of the vapor discharge means (300, 400, 500, 600) according to the present invention.

5 and 6 illustrate a steam discharge means 300 according to the first embodiment of the present invention.

Referring to the drawings, the steam discharging means 300 is coupled to the discharge pipe 302 which is installed to communicate with the interior of the water tank 210, and the end of the discharge pipe 302 protruding to the outside of the water tank 210 A cap 304, a body 306 movably provided inside the discharge pipe 302, and a spring 308 provided to elastically support the body 306.

The discharge pipe 302 is inserted into the water tank 210 through the bottom of the water tank 210. The upper end of the discharge pipe 302 inserted into the water tank 210 is installed to be close to the upper surface of the water tank 210. This is because only the upper end of the discharge pipe 302 is located above the water (L) can discharge the steam (V). On the other hand, the diameter of the upper portion of the discharge pipe 302 is reduced. A float 306 is provided inside the discharge pipe 302. The floating body 306 is disposed at an interval from the inner surface of the discharge pipe 302. The floating body 306 provides a flow path by opening and closing the upper portion of the discharge pipe 302. A packing 310 is installed on the upper portion of the floating body 306 to maintain airtightness between the discharge pipe 302 and the floating body 306.

In addition, the lower portion of the discharge pipe 302 protrudes outward from the bottom of the water tank 210. The cap 304 is covered with the lower end of the discharge pipe 302 protruding out of the water tank 210. The cap 304 is provided with a plurality of discharge holes 312. A spring 308 is provided between the float 306 and the cap 304. The spring 308 is received in the groove 316 provided in the lower portion of the floating body 306 and supported by the protrusion 314 of the cap 304 protruding toward the discharge pipe 302.

6, the operation of the steam discharge means 300 according to the first embodiment of the present invention will be described.

When the grill 200 is heated for a long time, the water L flowing inside the water tank 210 and the grill pipe 220 is heated to change a portion of the grill 200 into steam V. Steam (V) continues to generate over time, the internal pressure of the water tank 210 and the grill pipe 220 increases. When the air pressure inside the water tank 210 and the grill pipe 220 is above a predetermined air pressure, the body 306 is pushed downward by the air pressure, and the steam V escapes to the outside of the water tank 210. That is, when the grill 200 heats up, when the gas pressure inside the grill 200 becomes greater than the force of the spring 308 supporting the float 306, the float 306 moves downward while pushing the spring 308. do. Thus, when the flow path inside the discharge pipe 302 is opened, the steam (V) is discharged to the outside of the water tank 210 through the discharge hole 312 of the cap 304. Then, when the gas pressure inside the grill 200 decreases to be smaller than the force of the spring 308 supporting the body 306, the body 306 rises to close the flow path inside the discharge pipe 302.

While using the roasting machine, the above operation of the vapor discharge means 300 is repeated.

7 and 8 illustrate a steam discharge means 400 according to a second embodiment of the present invention.

Referring to the drawings, the steam discharging means 400, the nut 402 is installed to communicate with the interior of the water tank 210, the bolt coupled to the nut 402 and the discharge hole 406 is formed in the central axis ( 404, elastically supporting the first and second shafts 410, 412, and the first and second shafts 410, 412, which are installed through the discharge hole 406 of the bolt 404, with respect to the bolt 404. A spring 420.

The nut 402 is partially inserted into the water tank 210 and fixed through the bottom of the water tank 210. The nut 402 is coupled to the bolt 404 on the outside of the water tank 210. A packing 414 is installed between the nut 402 and the bolt 404. The bolt 404 has a discharge hole 406 penetrated along the central axis. A vent 416 is provided at one side of the upper portion of the bolt 404 facing the inside of the water tank 210 to communicate with the discharge hole 406. The ventilation hole 416 and the discharge hole 406 are connected to form a flow path through which the steam passes.

In the discharge hole 406, first and second shafts 410 and 412 pass through the discharge hole 406 and are installed coaxially. The first and second shafts 410 and 412 are installed at intervals from the inner surface of the discharge hole 406. The lower end of the first shaft 410 has a larger diameter than the discharge hole 406 and is disposed outside the lower portion of the bolt 404, and opens and closes the discharge hole 406. A packing 418 is installed at the lower end of the first shaft 410 to maintain the airtightness of the discharge hole 406. The lower end of the second shaft 412 is coupled to the upper end of the first shaft 410 and disposed in the discharge hole 406. A portion of the second shaft 412 protrudes to the upper portion of the bolt 404 and is disposed in the water tank 210. The upper end of the second shaft 412 has a larger diameter than the discharge hole 406. A spring 420 is installed on an outer circumference of the second shaft 412. The spring 420 is located between the upper end of the second shaft 412 and the top surface of the bolt 404.

In addition, through holes 422 and 424 are formed in the first shaft 410 and the second shaft 412 along the central axis, respectively. A support end 426 is provided inside the through hole 422 of the first shaft 410, and a ball packing 428 is inserted above the support end 426, and above the ball packing 428. Spring 430 is installed. The ball packing 428 opens and closes the through hole 422 of the first shaft 410. The spring 430 is installed between the ball packing 428 and the lower end of the second shaft 412 to elastically support the ball packing 428. The lower end of the second shaft 412 is disposed in the through hole 422 of the first shaft 410 to support the spring 430.

On the other hand, the partition 216 is provided in the water tank 210 around the steam discharge means 400. The partition wall 216 is formed to be close to the upper surface of the water tank 210. This is because only the upper end of the partition wall 216 is positioned higher than the water (L) can discharge the steam (V).

Referring to the operation of the steam discharge means 400 according to the second embodiment of the present invention configured as described above are as follows.

Referring to FIG. 7, when the gas pressure inside the water tank 210 and the grill pipe 220 is greater than the force of the spring 420 supporting the second shaft 412, the second shaft 412 may be a spring ( 420 moves down while pushing. The first shaft 410 is pushed downward in conjunction with the second shaft 412 to open the discharge hole 406 of the bolt 404. Then, the steam passes through the vent hole 416 of the bolt 404 to the outside of the water tank 210 through the discharge hole 406. Thereafter, when the gas pressure inside the grill 200 decreases to be smaller than the force of the spring 420 supporting the second shaft 412, the second shaft 412 is raised, and thus the first shaft 410 is increased. Rises to close the discharge hole 406.

Meanwhile, referring to FIG. 8, when the gas pressure inside the grill 200 is reduced by stopping heating of the grill 200, the vapor discharge means 400 according to the second embodiment of the present invention draws outside air. It is supplied to the inside of 200). That is, when the gas pressure inside the grill 200 is lower than atmospheric pressure, the ball packing 428 pushes the spring 430 to open the through hole 422 of the first shaft 410. Then, the outside air enters the grill 200 through the through holes 422 and 424 of the first shaft 410 and the second shaft 412. Thereafter, when the gas pressure inside the grill 200 is greater than or equal to atmospheric pressure, the ball packing 428 closes the through hole 422 of the first shaft 410 by the elastic restoring force of the spring 430.

9 shows a steam discharging means 500 according to the third embodiment of the present invention, Figure 10 shows a steam discharging means 600 according to the fourth embodiment of the present invention.

9, the vapor discharge means 500 includes a nut 502 installed to communicate with the inside of the water tank 210, and a cylinder 504 coupled to the inside of the nut 502.

The nut 502 is partially inserted into the water tank 210 and fixed through the bottom of the water tank 210. The cylinder 504 is coupled to the inside of the nut 502 and inserted into the water tank 210. An upper end of the cylinder 504 inserted into the water tank 210 is installed to be close to the upper surface of the water tank 210. In addition, the upper end of the cylinder 504 is blocked, a plurality of discharge holes 506 are formed in the blocked upper end. On the other hand, the partition 216 is provided in the water tank 210 around the steam discharging means 500.

On the other hand, the steam discharging means 600 shown in FIG. 10 is similar to the steam discharging means 500 according to the third embodiment of the present invention. The vapor discharge means 600 includes a nut 602 installed to communicate with the inside of the water tank 210, and a cylinder 604 coupled to the inside of the nut 602. Here, the lower end of the cylinder 604 is blocked, a plurality of discharge holes 606 are formed in the closed lower end. On the other hand, the partition 216 is provided in the water tank 210 around the steam discharging means 600.

9 and 10, the operation of the steam discharge means (500, 600) according to the third and fourth embodiments of the present invention will be described.

As the grill 200 is heated, steam is generated in the grill 200 to increase the air pressure in the grill 200. Then, since the steam V moves to a lower air pressure, the steam V exits to the outside through the discharge holes 506 and 606 of the cylinders 504 and 604.

On the other hand, although not shown, the vapor discharge means (300, 400, 500, 600) may be installed on the top or side of the water tank (210).

The present invention has been described in various embodiments, but the present invention is not limited to the above-described embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention. It will be possible.

As described above, according to the present invention, it can be cooked without burning food, and can smoothly discharge steam generated inside the grill when the grill is heated. Thus, the temperature of the water flowing inside the grill can be maintained, and water can be smoothly introduced into the grill, so that the cooling effect of the grill can be maintained while using the grill.

In addition, since the steam is discharged to the lower part of the main body, there is no fear that the surroundings may be contaminated while using the roasting grill, or the user may be lost due to the steam.

In addition, since the vapor collected in the lower portion of the main body to provide moisture to the surface of the food, the food can be kept in a moist state.

In addition, since the grill pipe and the water tank are firmly coupled, the grill is resistant to external impact and the durability of the grill may be increased, and the handle may not be protruded to the top of the grill to provide convenience to the user.

In addition, it is possible to provide a direct roaster of a simple structure without the pump or heater.

Claims (18)

A main body 100 having an upper portion opened to receive fuel and being heated and having a receiving space 104 therein for receiving a heat source; And Is disposed above the main body 100, the vapor discharge means for discharging steam (300, 400, 500, 600) is provided detachably and has a loop-type water tank 210 having a receiving space 214 therein, and the It includes a grill 200 consisting of a grill pipe 220 installed on the inner circumferential side of the water tank 210 to communicate with the interior of the water tank 210, The steam discharge means 400, A nut 402 installed to communicate with the inside of the water tank 210 and having one end protruding to the outside of the water tank 210 in contact with the main body 100; A bolt 404 coupled to the nut 402 and provided with a discharge hole 406 along a central axis; One end is disposed outside the bolt 404 having a diameter larger than the diameter of the discharge hole 406, the other end is inserted into the discharge hole 406 at intervals from the inner surface of the discharge hole 406 First shaft 410; A second shaft 412 having one end coupled to the other end of the first shaft 410 and the other end having a diameter larger than the diameter of the discharge hole 406 and disposed inside the water tank 210; And The bolts 404 are installed on the outer circumference of the second shaft 412 so as to elastically support the first and second shafts 410 and 412 with respect to the bolts 404. Spring 420 is located between the outer surface of the) and the other end of the second shaft 412, The first and second shafts 410 and 412 are provided with through holes 422 and 424 along a central axis, respectively, and a support end 426 is provided inside the through holes 422 of the first shaft 410. The ball packing 428 is inserted to be caught by the support end 426, and the water-cooled direct-fire type of natural convection method characterized in that the spring 430 is installed to elastically support the ball packing (428). delete delete delete delete delete delete The natural convection type water-cooled fired appliance according to claim 1, wherein a packing (414) is provided between the nut (402) and the bolt (404). The natural convection type water-cooled loom according to claim 1, wherein a packing (418) is provided on an outer circumference of the first shaft (410) located outside the bolt (404). delete delete According to claim 1, the discharge port 108 is provided on one side of the upper portion of the main body 100 to communicate with the vapor discharge means 400, the inside of the main body 100 from the discharge port 108 from the main body ( A natural convection type water-cooled fireball, characterized in that the discharge conduit 110 is provided to lead to the bottom of the 100. The natural convection type water-cooled fired appliance according to claim 1, wherein a drip tray (102) is provided under the main body (100). The method of claim 1, wherein the water tank 210 is a natural convection type water-cooled direct fire, characterized in that produced by using a loop or square and round pipe. The water-convection type of natural convection method of claim 1, wherein a partition wall 216 is provided around the vapor discharge means 400 in the water tank 210 so as to be close to an upper surface of the water tank 210. It's a fireball. The method of claim 1, wherein the inner peripheral side of the water tank 210 is provided with a support piece 218 bent toward the inside of the water tank 210 in a form corresponding to the outer circumference of the grill pipe 220, the grill The pipe 220 is inserted into the water tank 210 while the outer circumference is supported by the support piece 218, and the portion in which the inner circumferential side of the water tank 210 is in contact with the grill pipe 220 is welded. It is a natural convection type water-cooled fired roasting equipment. The outermost grille pipe 220 of the grill 200, the handle 224 is attached, the handle 224 is configured to be movable up and down part, the maximum when moved downward It is a natural convection type water-cooled direct grill, characterized in that the height is installed to be lower than the upper portion of the grill (200). The method of claim 1, wherein the steam discharging means 400 can be mounted on the upper side or the side of the water tank 210, the portion from which the steam discharging means 400 is used as a water inlet Convection type water-cooled fire.

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