JP5525378B2 - Grill door - Google Patents

Description

  The present invention relates to a grill door that opens and closes a front opening of a grill cabinet.

  A front opening of a grill cabinet such as a gas stove is opened and closed by a grill door. The grill door is configured by inserting a glass plate into a window opening formed in a metal door frame. Here, as the grill door, the lower end of the grill door is fixed to the front end of the grill pan that is freely retractable into the grill cabinet, and the grill pan is pulled out from the grill pan by pulling the grill door forward. To do.

  In such a grill warehouse, when the cooked food such as grilled fish is taken out from the grill warehouse, the grill door and the grill pan are pulled forward. At this time, the upper end of the door frame is exposed and the user's hand is It is easy to touch. The door frame is heated by radiant heat and conduction heat from the heat source in the grill cabinet, so if the user touches the upper end of the door frame accidentally, the door frame may become hot and cause discomfort to the user. It was.

  Further, in this type of grill door, a heat insulating material made of silicon rubber is provided at the upper end of the door frame (see, for example, Patent Document 1).

JP 2003-93242 A

  With what is shown by patent document 1, although the heat when a user touches the upper end part of a door frame can be eased, the heat insulating material made from silicon rubber is soft, and cooking to a grill warehouse Since it is easy to come off when the user's hand touches it when putting in and out things, it is not easy to use.

  Therefore, it is conceivable that the upper edge of the door frame is covered with an upper edge member formed of a hard synthetic resin, and the upper edge member is securely fixed to the door frame with a screw member or the like to prevent inadvertent detachment. Even if the upper edge member is made of a hard synthetic resin, the heat felt by the user when the user accidentally touches the upper end of the door frame is not sufficiently reduced.

  The present invention was invented in view of the above-described conventional problems, and the object of the present invention is to provide a grill door that can sufficiently reduce the heat felt by the user even when the user touches the upper end of the door frame. It is a problem to provide.

  In order to solve the above problems, the invention according to claim 1 is a grill door 2 that opens and closes a front opening 10 of a grill cabinet, and the grill door 2 is a peripheral edge of the front opening 10 of the grill cabinet. And a light transmitting member 23 provided in a window opening 22 which is formed inside the door body 21 in a front view so as to be visible from the outside. And a cooling air suction portion 31 formed of a hollow space formed below the window opening 22 of the door body 21 and a hollow formed on the side of the window opening 22 of the door body 21. A ventilation space 3 is constituted by a side ventilation path 32 made of a space and a cooling air discharge part 33 made of a hollow space formed above the window opening 22 of the door body 21, and the cooling air suction part 31 is formed on the door body 21. The cooling air suction hole 24 communicates with the outside of the grill box, and the cooling air discharge portion 33 is connected to the outside of the grill box through the cooling air discharge hole 25 formed in the upper end surface of the door body 21. The heat insulating member 4 is provided above the upper end surface of the door main body 21 via a gap S, and the cooling air passage hole 41 penetrating vertically is provided in the heat insulating member 4.

  Since the heat insulating member 4 is provided above the upper end surface of the door main body 21 via the gap S, it is difficult for heat to be conducted from the door main body 21 so that the temperature does not rise easily, and the cooling air is cooling air. When the air is discharged from the discharge hole 25 and passes through the cooling air passage hole 41, the cooling air outside the grille is further sucked from the gap S and passes through the cooling air passage hole 41. Increase.

  According to a second aspect of the present invention, in the first aspect of the invention, the grille has a heat source that requires combustion air, and the door body 21 communicates the ventilation space 3 with the inside of the grille. The combustion air supply hole 27 is provided.

  As a result, a part of the cooling air flowing through the ventilation space 3 is sucked into the grill box from the combustion air supply hole 27 as combustion air, and the amount of the cooling air sucked from the cooling air suction hole 24 is increased. Thus, the cooling effect is further increased.

  Even if the user accidentally touches the upper end of the grill door, the user touches the heat insulating member because the heat insulating member is provided through the gap at the upper end of the grill door. The heat felt by is sufficiently reduced.

It is a whole perspective view of the gas stove with a grill provided with the grill door of one embodiment of the present invention. It is a front view of the gas stove with a grill same as the above. It is the perspective view seen from diagonally upward of the back of the grill door of one embodiment of the present invention. The grill door same as the above is shown, (a) is a perspective view seen from obliquely upward and forward, (b) is a perspective view with the heat insulating member removed in (a). The grill door same as the above is shown, (a) is a front view, (b) is an AA cross-sectional view of (a), and (c) is a bottom view. It is BB sectional drawing of Fig.5 (a). It is CC sectional drawing of Fig.5 (a).

  Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings. In the embodiment shown below, the grill is a grill provided in the gas stove with a grill 1 shown in FIGS. 1 and 2, but it may be a single grill not provided with a stove part, and particularly if it is a heating cooker provided with at least a grill. It is not limited.

  The gas stove with a grill 1 includes a main body 11 having front, rear, left and right side surfaces and opening upward, and a top plate 12 that closes the upper opening of the main body 11. The top plate 12 is made of glass in the present embodiment, but is not particularly limited. The top plate 12 is provided with a plurality of stove portions having a stove burner 13.

  A grill cabinet having a grill burner as a heat source is provided in the gas stove. The grill cabinet is composed of a housing that opens forward, and in this embodiment, the forward opening is connected to an opening of substantially the same shape that is formed in a substantially central portion of the front surface of the main body 11 and has a grill. The front opening 10 communicates with the front of the gas stove 1. The front opening 10 is closed by the grill door 2 so as to be opened and closed. The grill door 2 will be described later. Although not shown, a grill pan is provided at the lower part of the grill cabinet, and a grill net is placed on the grill pan to heat the cooked food placed on the grill net with a grill burner. Is configured to do. An exhaust passage for exhausting the combustion exhaust gas of the grill burner to the outside of the grill warehouse is continuously provided on the rear side of the grill warehouse so as to extend upward, and the combustion exhaust gas of the grill burner is passed to the rear portion of the top plate 12 through the exhaust passage. It is configured to lead to the formed exhaust outlet 14. The grill burner includes an upper burner that heats the upper surface of the food to be placed on the grill and placed on the grill, and a pair of left and right lower burners that heat the lower surface of the food to be placed on the bottom of the grill. The upper and lower burners and one of the upper and lower burners may be used, and are not particularly limited. In addition to the grill burner, the heat source may be one that does not rely on combustion, such as a heater that radiates radiant heat when energized.

  On both sides of the grill door 2 on the front surface of the main body 11, a stove burner 13 and a grill burner operation section 15 are provided.

  Hereinafter, the grill door 2 will be described with reference to FIGS. 3 to 7. The grill door 2 is mainly composed of a door main body 21 having a window opening 22 and a light transmitting member 23 disposed in the window opening 22.

  The door main body 21 has a window opening 22 inside as viewed from the front, and the door main body 21 abuts on the peripheral edge of the front opening 10 of the grill cabinet and closes the front opening 10 so as to be freely opened and closed. The window opening 22 is an opening that allows the inside of the grill to be visually recognized from the outside, and is provided with a light transmission member 23.

  A hollow space is formed inside the door body 21, and this hollow space becomes the ventilation space 3. The ventilation space 3 includes a cooling air suction portion 31 formed below the window opening 22, a side ventilation passage 32 formed on the side of the window opening 22 and communicating with the cooling air suction portion 31, a window The cooling air discharge part 33 is formed above the opening 22 and communicates with the side air passage 32. In the present embodiment, as described below, the interior of the portion excluding the window opening 22 of the door main body 21 is a continuous hollow space in front view, but the window opening 22 provided with the light transmitting member 23 is provided. The inside of the whole door main body 21 including may be one hollow space.

  In the present embodiment, the main body of the door main body 21 is composed of the door frame 6 and the front panel 7.

  As shown in FIG. 3, the door frame 6 is continuously provided forward from a rear wall portion 61 that is a rear wall portion of the door main body 21 and substantially upper half portions of both left and right ends of the rear wall portion 61. The upper wall portion 62 that is substantially the upper half of each of the left and right wall portions of the door body 21, the top wall portion 63 that is connected to the front from the upper end of the rear wall portion 61, and the front from the lower end of the rear wall portion 61 And a bottom wall portion 64 (see FIG. 6) that is connected to the bottom. As the material of the door frame 6, a material that can withstand radiant heat and conduction heat from a heat source and does not decrease in strength, such as metal (for example, iron or SUS), is preferably used, but is not limited to metal.

  The rear wall portion 61 has a cylindrical portion 61a shaped so that the periphery of the portion that becomes the window opening 22 in the substantially upper half portion in a front view is squeezed forward, and the front end of the cylindrical portion 61a A window opening 22 is formed in the window. Although the window opening 22 is formed in a horizontally long shape in the present embodiment, the shape is not particularly limited.

  As shown in FIG. 5B, a cooling air suction hole 24 is formed in the bottom wall portion 64. As shown in FIGS. 4B and 6, the cooling wall air discharge hole 25 is formed in the top wall portion 63, and an upper pressing piece 63 a that presses the upper end of the light transmission member 23 from the front to the front from the front end. In this embodiment, as shown in FIG. 4B, a separate upper pressing piece 63a is fixed by fixing means such as a screw member 63b.

  The front panel 7 is connected to the front wall 71 which is a substantially lower half of the wall on the front side of the door main body 21, and the left and right ends of the front wall 71, respectively. The lower wall part 72 which becomes a substantially lower half part of the wall part, and the bottom wall part 73 which is connected to the rear from the lower end of the front wall part 71 are configured. As the material of the front panel 7, for example, a synthetic resin (for example, polyethylene terephthalate, polybutylene terephthalate, etc.) having high heat resistance, low thermal conductivity, and light weight is preferably used. It is not limited to. As shown in FIG. 6, a lower pressing piece 71 a that presses the lower end of the light transmitting member 23 from the front is provided at the upper end of the front wall portion 71. Moreover, as shown in FIG. 7, the front wall part 71 is formed with a recess opening downward, and the front wall of the recess serves as a handle 70 for pulling out the grill door 2 toward the front. A cooling air suction hole 24 is formed in the bottom wall portion 73 as shown in FIGS.

  As shown in FIG. 4, the light transmissive member 23 is a glass plate that is larger than the window opening 22 and is substantially the upper half of the front wall portion of the door body 21 in the present embodiment, but is not particularly limited to glass. . In the present embodiment, the portion corresponding to the window opening 22 is used as the light transmission portion 23a, and the light shielding portion 23b is formed by applying or printing the light shielding coating on the other portions.

  In order to configure the grill door 2 with the door body 21 including the door frame 6 and the front panel 7 and the light transmitting member 23, first, as shown in FIG. 7, the light transmitting member 23 includes a light transmitting portion 23a. 6 is brought into contact with the front surface of the cylindrical portion 61a of the door frame 6 so as to be positioned at the window opening 22 of the door frame 6, and the upper end of the light transmission member 23 is pressed by the rear surface of the upper pressing piece 63a of the door frame 6. Then, the lower pressing piece 71a of the front panel 7 is positioned in front of the lower end of the light transmitting member 23, the lower end of the light transmitting member 23 is pressed from the front, and the upper end of the lower side wall portion 72 of the front panel 7 is above the door frame 6. Cover the outer surface of the lower end of the side wall portion 62, cover the bottom wall portion 73 of the front panel 7 on the lower surface of the bottom wall portion 64 of the door frame 6 from below, and let the cooling air intake holes 24 communicate with each other. As shown in FIG. 3, a fixing tool composed of the screw member 26 is inserted into a fixing tool insertion hole (not shown) formed in the rear wall portion 61, and the front panel as shown in FIGS. 5 (b) and 7. The front panel 7 and the door frame 6 are connected and fixed by screwing into a boss hole 74 projecting rearward from the front wall portion 71 of FIG. Accordingly, the light transmitting member 23 and the front wall portion 71 of the front panel 7 constitute a front wall portion of the door main body 21, and the upper side wall portion 62 of the door frame 6 and the lower side wall portion 72 of the front panel 7 are doors. The left and right wall portions of the main body 21 are formed, and the bottom walls 64 and 73 of the door frame 6 and the front panel 7 form the bottom portion of the door main body 21. As the ventilation space 3, a cooling air suction portion 31 is formed below the window opening 22, side ventilation passages 32 are formed on the left and right sides of the window opening 22, and cooling air is formed above the window opening 22. A discharge portion 33 is formed. The configuration of the door body 21 is not limited to the configuration of the present embodiment.

  The cooling air suction part 31 communicates with the outside of the grill through a cooling air suction hole 24 formed in the lower end part of the door body 21 (the door frame 6 and the front panel 7), and the cooling air discharge part 33 Communicating with the outside of the grill through a cooling air discharge hole 25 formed in the upper end surface of the door body 21.

  And in this invention, the heat insulation member 4 is provided through the space | gap S above the upper end surface of the door main body 21. As shown in FIG. As a material of the heat insulating member 4, for example, a light synthetic resin having heat resistance and low thermal conductivity such as polyphenylene sulfide is preferably used, but is not limited to the synthetic resin. The heat insulating member 4 is provided with a cooling air passage hole 41 penetrating vertically.

  As shown in FIG. 7, the heat insulating member 4 is formed so that a fixing hole 42 to which a fixing member made of a male screw member 43 is fixed penetrates vertically. Further, as shown in FIG. 4B, the upper end portion of the door frame 6 (that is, the upper pressing piece 63a) is provided with a fixing tool composed of a female screw member 63c to which the male screw member 43 is screwed. It is fixed so as to protrude upward from the upper end surface of the piece 63a, the lower surface of the peripheral edge of the fixing hole 42 of the heat insulating member 4 is brought into contact with the upper end surface of the female screw member 63c, and the male screw member 43 is fixed to the fixing hole 42 from above. The heat insulating member 4 is attached to the upper end surface of the door body 21 through the gap S by being inserted and fixed to the female screw member 63c. The heat insulating member 4 presses the upper end portion of the light transmitting member 23 by a pressing portion 44 that protrudes forward while being attached to the upper end surface of the door body 21.

  When the grill is used, the front opening 10 of the grill cabinet is closed by the door main body 21 and the grill door 2 is heated by radiant heat or conduction heat from the heat source, and this heat generates draft force in the air in the ventilation space 3. To do. As a result, the cooling air outside the grill box is sucked into the door main body 21 from the cooling air suction hole 24 to cool the grill door 2. In the present embodiment, since the side air passage 32 is formed on both the left and right sides of the window opening 22, the grill door 2 is cooled in a well-balanced manner. Cooling air that has cooled and warmed the grill door 2 is discharged from the cooling air discharge hole 25 to the outside of the ventilation space 3 and is also discharged upward through the cooling air passage hole 41 of the heat insulating member 4.

  The heat insulating member 4 is cooled because the cooling air passes through the cooling air passage hole 41. Further, since the heat insulating member 4 is provided above the grill door 2 via the gap S, it is difficult for heat to be conducted from the door main body 21 and the temperature does not easily rise, and the upper end portion of the grill door 2 (that is, the heat insulating member 4). ), The heat felt by the user is sufficiently reduced. Further, when the cooling air is discharged from the cooling air discharge hole 25 and passes through the cooling air passage hole 41, the cooling air outside the grill box is further drawn from the gap S and passes through the cooling air passage hole 41. The cooling effect by the cooling air is increased.

  Further, in the present embodiment, the door main body 21 is provided with a combustion air supply hole 27 that allows the ventilation space 3 and the inside of the grille to communicate with each other. As shown in FIG. Although the combustion air supply hole 27 is formed below the window opening 22, it may be formed at another location. When a heat source that requires combustion air (that is, a grill burner) is used as in this embodiment, a part of the cooling air flowing through the ventilation space 3 enters the grill chamber from the combustion air supply hole 27 as combustion air. The amount of cooling air that is drawn and sucked from the cooling air suction hole 24 increases, and the cooling effect is further increased.

DESCRIPTION OF SYMBOLS 1 Gas stove with a grill 10 Front opening part 11 Main body 12 Top plate 13 Combustor 2 Grill door 21 Door main body 22 Window opening 23 Light transmission member 24 Cooling air suction hole 25 Cooling air discharge hole 3 Ventilation space 31 Cooling air suction part 32 Side air passage 33 Cooling air discharge part 4 Heat insulating member 41 Cooling air passage hole 6 Door frame 7 Front panel S Gap

Claims (2)

  A grill door that opens and closes a front opening of a grill cabinet, wherein the grill door contacts a peripheral edge of the front opening of the grill cabinet and closes the front opening, and the door in a front view. A light transmissive member provided in a window opening formed inside the main body so that the inside of the grille can be seen from the outside, and for cooling comprising a hollow space formed below the window opening of the door main body Cooling air discharge comprising an air suction portion, a side air passage formed of a hollow space formed on the side of the window opening of the door body, and a hollow space formed on the upper side of the window opening of the door body. The cooling air suction portion communicates with the outside of the grille through a cooling air suction hole formed in the door body, and the cooling air discharge portion is configured to be the door body. Cooling air discharge hole formed on the upper end surface of The heat insulating member communicates with the outside of the grill cabinet via the upper end surface of the door body via a gap, and a cooling air passage hole is provided through the heat insulating member vertically. Grill door.   2. The combustion chamber according to claim 1, wherein the grill is provided with a heat source that requires combustion air, and the door body is provided with a combustion air supply hole that communicates the ventilation space with the inside of the grill. Grill door.

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