JP4294015B2 - Gas cooker - Google Patents

Description

  The present invention relates to a gas cooker.

  In general, as shown in FIG. 3, the main body case (1) constituting the gas rice cooker is provided with an upper case (1a) with a single-open lid (11) mounted therein and containing a rice cooker. ) And a lower case (1b) which is disposed below the upper case (1a) and accommodates a gas burner, a combustion control device thereof, and an electric heater for heat insulation and the like. A pair of front support legs (14) project from the front and both sides of the bottom surface (13) of the rice cooker, and the rear support legs (15) One is provided along the rear side of the bottom surface (13).

  3 and 4, the gas pipe connecting plug portion (12) serving as a gas inlet to the gas burner has a bottom surface that is closer to one side and closer to the rear than the lower case (1b). It protrudes downward from a predetermined position of (13), and the connection port at its tip is set to face the rear of the rice cooker. The heights of the front and rear support legs (14) and (15) are set to be higher than the protruding height of the gas pipe connecting plug portion (12) (the maximum outer diameter of the plug portion (12)).

The plug portion (12) is configured so that a so-called one-touch coupling type socket (20) provided in the gas rubber tube (23) can be detachably connected.
Also, a plurality of suction ports (10a), (10b), and (10c) for feeding combustion air into the gas burner are opened on the bottom surface (13) of the lower case (1b). The large-diameter suction ports (10a) and (10b) formed near the center and rear of the bottom surface (13) are normally covered with a cover (not shown) in a generally loose fit state for safety. The combustion air is sucked into the main body case (1) from the suction ports (10a) and (10b) through a gap with the covering lid, a slit provided in the covering lid, and the like.

Japanese Utility Model Publication No. 1-101048 Japanese Utility Model Publication No. 7-36948

  However, in the conventional gas rice cooker, since the gas pipe connection plug portion (12) protrudes downward from the bottom surface (13) of the main body case (1), the gas pipe connection plug portion (12) Dust or dust may adhere to the connection port at the tip or the vicinity thereof. If the socket (20) is connected to the plug portion (12) in a state where dust or dirt is attached, a mounting failure may occur, and if it is used in this state, gas leakage may occur.

  During combustion of the gas burner, combustion air is sucked from each of the suction ports (10a), (10b), and (10c) provided on the bottom surface (13) of the lower case (1b). If the gas leaked from the connection between the socket (12) and the socket (20) is sucked into the lower case (1b) containing the gas burner together with the combustion air, there is a risk of ignition.

According to the present invention, “a gas pipe connection plug portion for supplying gas to a gas burner incorporated in the main body case and a plurality of support legs for supporting the main body case are protruded from the bottom surface of the main body case. In addition, in the gas cooker having a plurality of suction ports for sucking combustion air, gas leaking from the gas pipe connection plug portion does not enter the main body case from the suction port. The task is to do.

(1) The technical means of the invention according to claim 1 is as follows: “The gas pipe connection plug portion is projected from the bottom surface of the main body case toward the outside in the horizontal direction, and the gas pipe connection plug portion. A connection port provided at the tip of the body is provided at a position away from the side of the body case
One of the support legs is provided near the gas pipe connection plug portion , and the connection port of the gas pipe connection plug portion and the gas pipe connection plug of the plurality of suction ports. It is provided in the shape of a wall around the suction port so as to block the suction port provided near the portion .
The technical means operates as follows.
Since the gas pipe connecting plug part protrudes from the bottom surface of the main body case of the rice cooker toward the outside in the horizontal direction, and the connection port is provided at a position away from the side surface of the main body case , Even if gas leaks from the connection with the gas pipe, the leaked gas does not stay below the main body case. One of the support legs provided on the bottom surface of the main body case is provided near the plug portion for connecting the gas pipe, and the gas of the connection port and the plurality of suction ports is provided. to block between the near provided a suction opening of the pipe connecting the plug part, because I a configuration in which Ru in the wall-like around the suction port, the bottom surface of the installation surface and the main body case cooker is installed Is blocked by the support leg between the connection port of the gas pipe connection plug portion and the suction port forming area close to the connection port . As a result, the gas leaking from the gas pipe connection plug portion is prevented from flowing downward from the bottom surface of the main body case by the support legs, and is difficult to enter the suction port.

[Invention of Claim 2]
In the gas rice cooker of the invention according to claim 1, "the gas pipe connection plug portion is provided so as to protrude toward one side of the main body case and to the rear of the main body case, and for the gas pipe connection. The support leg provided in the vicinity of the plug portion is provided so as to close the rear side of the suction port near the connection port of the gas pipe connection plug unit and the one side and open the other side. In what is, since the gas pipe connection plug portion is provided so as to protrude rearward from the main body case of the rice cooker, the tip of the gas rubber tube disposed at the rear of the gas rice cooker, usually near the wall, etc. It is easy to connect the socket provided to the gas pipe connecting plug portion. In addition, by providing the gas pipe connection plug portion on one side of the main body case, the support leg is configured to surround the one side of the suction port and open to the other side. Therefore, the gas hardly enters the suction port, and the combustion air is easily sucked from the open portion of the support leg to the suction port.

[Invention of claim 3]
In the gas cooker of the invention according to claim 1 or 2, "the gas pipe connecting plug portion is bent in a substantially L shape, so that the connecting port at the tip is oriented laterally and upwardly, intended to pivotally mounted ", the gas pipe connection plug part, through the upper connection opening from one side to face to the other side towards, is mounted freely at least 180 degrees rotation Then, according to the position of the hose end of the gas rubber pipe, it is possible to set the gas pipe connection plug portion so as to turn the connection port in a predetermined direction.

Since the present invention has the above configuration, the present invention has the following specific effects.
According to the first aspect of the present invention, in the unlikely event that a gas leak occurs from the gas pipe connecting plug portion, the space where the gas leak occurs and the suction port through which the combustion air is sucked open. Since the gas is blocked by a support leg and the gas is difficult to enter the suction port, the leaked gas is sucked into the main body case from the suction port to prevent the risk of ignition. And a highly safe gas cooker can be provided.

  In addition to the above effects, the invention according to claim 2 makes it easy to connect the gas rubber tube hose end to the gas pipe connecting plug portion, and the leaked gas is not sucked into the suction port, and the combustion air is sucked in. Since it is configured to be easily sucked into the mouth, there is an effect that usability is improved.

  In addition to the above effects, in section 3, the direction of the plug part for connecting the gas pipe can be freely changed according to the installation status of the rice cooker, providing a more convenient gas rice cooker. can do.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings.
FIG. 1 shows a side view of a gas rice cooker according to an embodiment of the present invention, and FIG. 2 is a bottom view thereof.
The main body case (1) of the gas rice cooker of the present invention is formed in a substantially rectangular parallelepiped shape from the upper case (1a) and the lower case (1b) as in the conventional case, and the upper case ( 1a) is configured to be open upward so that a rice cooker (not shown) can be accommodated, and a single-open lid (11) is pivotally supported at the rear end of the upper end so as to be freely opened and closed. Yes.

  Although not shown, the lower case (1b) incorporates electrical components including an ignition mechanism, a heat sensitive device, a combustion control device, and a heater for keeping warm, in addition to a gas burner, and the lower case (1b) A gas pipe connecting plug portion (12) to which a socket (20) provided at one end of a gas rubber pipe (23) for feeding fuel gas to the gas burner can be connected to the bottom surface (13) of the main body case ( It is arranged so as to protrude to the rear of 1).

  A similar socket (21) is also attached to the other end of the gas rubber tube (23) .For example, the gas plug (22) is connected to a gas plug (22) protruding from the wall surface (4). ) And the gas pipe connecting plug part (12) by the gas rubber pipe (23), gas can be supplied to the combustion part of the gas burner.

  As shown in FIG. 1, the bottom surface (13) is connected to a rear bottom surface on the rear side (right side in the drawing) of the main body case (1) via a step (16) provided slightly rearward of the center. 13a) and a front bottom surface (13b) on the front side, and the front bottom surface (13b) is set lower than the rear bottom surface (13a).

A suction port (10a) is opened in the rear bottom surface (13a), a suction port (10b) larger than the suction port (10a) and a plurality of elongated holes are formed in the front bottom surface (13b). The suction port (10c) is open.
Since the lower case (1b) contains a large number of electrical components as described above, as shown in FIG. 2, the suction port (10a) has an electrical cord (3) as shown in FIG. In the accommodated cord reel (31), the suction port (10b) is covered with a lid (32), and the combustion air of the gas burner is connected to the cord reel (31) and the rear bottom surface (13a). And the long hole-like suction port (10d) formed in the lid (32) and the suction port (10c) into the main body case (1).
Further, a gas pipe connection plug portion (12) projects from one side of the rear bottom surface (13a) where the cord reel (31) is disposed.

  The gas pipe connecting plug part (12) is provided with a connection port (12b) to which a socket (20) of a gas rubber pipe (23) is connected at the tip of a body part (12a) bent in a substantially L shape. It is assumed that the connection port (12b) is rotatably mounted so as to face both sides and upward of the main body case (1). FIG. 1 shows a state in which the connection port (12b) is directed upward, and FIG. 2 shows a state in which the connection port is directed to one side.

The body part (12a) of the gas pipe connecting plug part (12) is covered with a cover body (17).
A pair of front support legs (14) protrudes higher than the cover body (17) at the front end portion of the front bottom surface (13b), and the cord at the rear end portion of the rear bottom surface (13a). The rear support leg (2) is projected at the same height as the front support leg (14) so as to surround the reel (31), thereby maintaining the balance on the installation surface (40).

  The rear support leg (2) includes a side wall portion (2a) protruding between the cover body (17) and the cord reel (31), and a rear wall portion located behind the cord reel (31). (2b) and an extended wall portion (2c) that extends slightly to the other side of the cord reel (31) and is integrally formed as a whole. As a result, the cord reel (31) is located on the side and the rear side of the gas pipe connection plug part (12), and further on the side opposite to the gas pipe connection plug part (12). In a state surrounded by the support legs (2), in the state where the rice cooker is installed on the installation surface (40), the front support legs (14) provided on the front bottom surface (13b) and the rear bottom surface (13a) The rear support leg (2) provided is in contact with the installation surface (40), the space inside the rear support leg (2) in which the cord reel (31) is disposed, and the gas pipe The space outside the rear support leg (2) in which the connecting plug portion (12) is disposed is surely blocked by the rear support leg (2).

However, the range from the edge of the extension wall (2c) to the step (16) is open to the communication state, and from this open part (34), the electric cord (3) in the cord reel (31) is connected. The air can be drawn out of the main body case (1), and combustion air can be sucked into the suction port (10a).
As a result, dust and dirt adhere to the connection port (12b) of the gas pipe connection plug part (12) and its vicinity, and gas leakage may occur from the connection part due to poor connection when the socket (20) is connected. However, the gas pipe connecting plug (12) is located in the space outside the rear support leg (2), and the suction port (10a) is located in the space inside the rear support leg (2). Therefore, the leaked gas is blocked by the rear support leg (2) and is difficult to flow to the suction port (10a) side. Therefore, it is difficult for gas to be sucked from the suction port (10a), and even if gas leaks from the connection part of the gas pipe connection plug part (12), the risk of catching fire by being drawn into the body case (1) is prevented. can do.

Depending on the location of the gas plug (22) and the location of the rice cooker, the direction of the connection port (12b) of the gas pipe connection plug part (12) can be freely set, so a gas rubber tube ( There is no inconvenience that 23) is forcibly bent or bulky with the wall surface (4).
Then, if the electric plug (30) of the electric cord (3) pulled out from the cord reel (31) is connected to the outlet (33) arranged on the wall surface (4) etc., the gas rice cooker is installed. Is completed.

The side view of the gas rice cooker of embodiment of invention. The bottom view of the gas rice cooker of embodiment of invention. The side view of the conventional gas rice cooker. The bottom view of the conventional gas rice cooker.

Explanation of symbols

(1) ... Body case
(10a) (10b) (10c) ・ ・ Suction port
(12) ... Plug for gas piping connection
(13) ... Bottom
(2) ... Back support legs

Claims (3)

A gas pipe connecting plug for supplying gas to a gas burner built in the main body case and a plurality of support legs for supporting the main body case are projected on the bottom surface of the main body case and burned. In the gas rice cooker where a plurality of suction ports for sucking air for use are opened,
The gas pipe connection plug portion is provided so as to project outward from the bottom surface of the main body case in the horizontal direction, and the connection port provided at the tip of the gas pipe connection plug portion is separated from the side surface of the main body case. In the position,
One of the support legs is provided near the gas pipe connection plug portion , and the connection port of the gas pipe connection plug portion and the gas pipe connection of the plurality of suction ports. A gas rice cooker characterized by being provided in a wall shape around the suction port so as to block the suction port provided near the plug portion . 2. The gas rice cooker according to claim 1, wherein the gas pipe connection plug portion is provided so as to protrude toward one side of the main body case and to the rear of the main body case, and the gas pipe connection plug portion. The support leg provided near the plug is provided so as to close the rear side of the suction port and the one side close to the connection port of the plug portion for connecting the gas pipe and to open the other side. Gas cooker characterized by that. The gas cooker according to claim 1 or 2, wherein the gas pipe connection plug portion is bent in a substantially L shape, so that the connecting port at the tip is oriented laterally and upwardly, pivoting Gas cooker characterized by being mounted freely.

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