JP6917745B2 - Exhaust hood for gas low range and gas low range - Google Patents

Description

The present invention is an exhaust hood for a gas low range provided with a casing having a gas burner and a combustion chamber of the gas burner inside, and an exhaust pipe erected at the rear portion of the casing to discharge exhaust gas from the combustion chamber. And, with respect to such a gas low range.

Such a gas low range is configured so that the cooking pot can be placed and supported at a relatively low position to be heated, and it is necessary to work when heating a cooking pot having a relatively high height such as a pan. It is configured to be easy to use.
In such a gas low range, an exhaust stack for discharging the exhaust gas from the combustion chamber is erected at the rear portion of the casing having the gas burner and the combustion chamber of the gas burner inside (see, for example, Patent Document 1). ..

Then, while the cooking pot is heated using such a gas low range, the exhaust gas generated in the combustion chamber is discharged from the exhaust stack into a room such as a kitchen where the gas low range is installed, and cooking. Gaseous cooking products (steam, vaporized oil, etc., which may be referred to as cooking products below) generated in the pot are also released into the room.
Normally, an exhaust means such as an exhaust fan is provided in the vicinity of the ceiling of the room where the gas low range is installed in order to exhaust the exhaust gas discharged from the exhaust stack to the outside of the room.

Japanese Unexamined Patent Publication No. 2007-271130

Conventionally, the exhaust gas discharged from the exhaust stack is easily exhausted to the outside by the exhaust means, but the cooking generated air generated in the cooking pot is easily diffused into the room. Therefore, even if the exhaust means is provided, the cooking generated air diffused in the room cannot be sufficiently exhausted to the outside of the room, so that the cooking generated air tends to diffuse and remain in a wide area in the room. ..
The cooking product that diffuses and remains in the room over a wide area is a factor that deteriorates the working environment in the room, and improvement has been desired.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide an exhaust hood and a gas low range for a gas low range that can improve the working environment when cooking using the gas low range. It is in.

The characteristic configuration of the exhaust hood for the gas low range according to the present invention for achieving the above object is
A casing having a combustion chamber of the gas burner and the gas burner in the interior, are erected in the rear portion of the casing, it is disposed on the upper side of the gas low range and a stack for discharging exhaust gas from the combustion chamber Equipped with a canopy
The canopy portion is configured to have a concave shape upward, and is provided with a canopy exhaust port having a size capable of accommodating the cylinder exhaust port provided at the upper end portion of the exhaust stack in a plan view. Huh,
The cylinder exhaust port is located within a range vertically below the canopy exhaust port, and is arranged in such a manner that the cylinder exhaust port can be directly visually recognized through the canopy exhaust port in a plan view.
The canopy is configured to collect gaseous cooking products generated from a cooking pot placed on the casing and discharge them from the canopy exhaust port above the canopy. be.

According to the above characteristic configuration, the exhaust gas of the gas burner that has risen in the exhaust stack is discharged into the canopy from the cylinder exhaust port, and further flows in the canopy recessed upward toward the canopy exhaust port, and the canopy. It is discharged upward outside the outside.
Due to the draft action accompanying the flow of such exhaust gas, the cooking generated air generated from the inside of the cooking pot rises while changing its direction toward the canopy exhaust port and flows into the canopy, and further, the inside of the canopy is exhausted. It flows toward the mouth and is discharged upward from the canopy exhaust port together with the exhaust gas.

In other words, the cooking generated air generated from the inside of the cooking pot is collected and collected in the canopy while reducing leakage, and the inside of the canopy is made to flow toward the canopy exhaust port to move upward from the canopy exhaust port to the outside of the canopy. Since it can be discharged, it is possible to sufficiently suppress the cooking product from diffusing and remaining in the room.
By the way, since an exhaust means is usually provided near the ceiling of the room where the gas low range is installed, the exhaust gas discharged from the canopy exhaust port to the outside of the canopy and the cooking air are exhausted. Is discharged to the outside of the room.
Therefore, when cooking work using the gas low range, it is possible to provide an exhaust hood for the gas low range that can improve the working environment.

A further characteristic configuration of the exhaust hood for the gas low range according to the present invention is that the canopy portion can cover at least substantially the entire upper surface of the casing in a plan view, and the outer peripheral portion of the covering body. It is configured with a peripheral wall body provided in a hanging shape.
The canopy exhaust port is provided at the rear end of the covering body.
The cover body is in a state where the canopy portion positions the cylinder exhaust port in the canopy exhaust port and covers at least substantially the entire upper surface of the casing with the cover body in a plan view. It is located above the point.

According to the above-mentioned feature configuration, in a plan view, the canopy portion covers at least substantially the entire upper surface of the casing, and the cylinder exhaust port is contained in the canopy exhaust port. Cooking generated air can be collected and collected in the canopy while minimizing leakage, and can be flowed toward the canopy exhaust port and discharged upward from the canopy exhaust port to the outside of the canopy. Can be further sufficiently suppressed from being diffused and remaining in the room.
Therefore, the working environment when cooking using the gas low range can be further improved.

A further characteristic configuration of the exhaust hood for the gas low range according to the present invention is that, in a plan view, the length of the canopy exhaust port in the front-rear direction is longer than the length of the cylinder exhaust port in the front-rear direction.
The cover body of the canopy portion is arranged above the cylinder exhaust port in a state where the cylinder exhaust port is located at the rear end portion in the canopy exhaust port in a plan view.

According to the above characteristic configuration, since the cylinder exhaust port is located at the rear end of the canopy exhaust port in a plan view, the exhaust gas discharged from the cylinder exhaust port into the canopy portion is discharged from the canopy exhaust port. Even if it is flowing, it is possible to sufficiently suppress an increase in resistance when the cooking generated air flowing into the canopy portion flows toward the canopy exhaust port.
That is, the cooking generated air generated from the inside of the cooking pot is collected in the canopy while further reducing the leakage, and the inside of the canopy is made to flow more smoothly toward the canopy exhaust port, and the inside of the canopy is further smoothly flowed from the canopy exhaust port to the outside of the canopy. Since it can be discharged upward, it is possible to further sufficiently suppress the cooking product from diffusing and remaining in the room.
Therefore, the working environment when cooking using the gas low range can be further improved.

A further characteristic configuration of the exhaust hood for the gas low range according to the present invention is that at least a part of the outer peripheral plate portion forming the outer peripheral surface of the casing and the top plate portion forming the upper surface has a hollow double structure. The internal space of the double structure is used as a cooling passage.
An outside air intake portion for taking in outside air into the cooling passage and a casing inner communication portion for communicating the cooling passage and the casing inner space which is the space inside the casing are provided.
A cooling air discharge cylinder is provided on the outer peripheral portion of the exhaust pipe so as to have a double cylinder structure with the exhaust pipe.
The lower end of the cooling air discharge cylinder communicates with the space inside the casing.
An outer exhaust port is provided at the upper end of the cooling air exhaust tube with the cylinder exhaust port housed inside.
The canopy exhaust port has a size capable of accommodating the outer exhaust port inside in a plan view, and the length in the front-rear direction is longer than the length in the front-rear direction of the outer exhaust port.
The outer exhaust port is located within a range vertically below the canopy exhaust port, and is arranged in such a manner that the outer exhaust port can be directly seen through the canopy exhaust port in a plan view.
The cover body of the canopy portion is arranged above the cylinder exhaust port in a state where the outer exhaust port is located at the rear end portion in the canopy exhaust port in a plan view.

According to the above characteristic configuration, due to the draft action when the exhaust gas of the gas burner is discharged through the exhaust stack, the outside air flows into the cooling passage of the casing as cooling air from the outside air intake portion and flows through the cooling passage. The flow cools the casing. The cooling air that has been heated by cooling the casing flows into the space inside the casing from the communication portion inside the casing, further flows through the space inside the casing, flows into the lower end portion of the cooling air discharge cylinder, and further cools the casing. The air discharge cylinder is raised and discharged from the outer exhaust port into the canopy, and further flows toward the canopy exhaust port and is discharged upward from the canopy exhaust port to the outside of the canopy.

Further, in a plan view, the outer exhaust port is housed in the canopy exhaust port, and the outer exhaust port is located at the rear end of the canopy exhaust port, so that the cooling air discharged from the outer exhaust port into the canopy is However, even if the exhaust gas discharged from the cylinder exhaust port into the canopy is flowing so as to flow out from the canopy exhaust port, the resistance when the cooking generated air flowing into the canopy flows toward the canopy exhaust port. Can be sufficiently suppressed from becoming large.
That is, the casing is cooled by the flow of the cooling air, and the cooling air that has been heated by the cooling is allowed to flow into the canopy so that it is discharged from the canopy exhaust port to the outside of the canopy while cooking. Cooking generated air generated from the inside of the pot can be collected in the canopy while sufficiently reducing leakage, and can be discharged upward from the canopy exhaust port to the outside of the canopy.
Therefore, in addition to being able to sufficiently suppress the cooking product from diffusing and remaining in the room, the temperature rise in the room can also be suppressed by cooling the casing, so cooking is performed using a gas low range. The working environment when working can be further improved.

A further characteristic configuration of the exhaust hood for the gas low range according to the present invention is that the side ends of the canopy and the side ends of the cooling air discharge cylinder are below the left and right side ends of the canopy. lies in bridged is Ru side panel is provided.

According to the above-mentioned feature configuration, the canopy portion is supported by the side panels on both the left and right sides. In addition, since the side panels on both the left and right sides block the cooking generated air generated from the cooking pot from flowing to the side, it is possible to further prevent the cooking generated air from leaking into the canopy without being collected. Can be done.
Therefore, the working environment when cooking using the gas low range can be further improved, and the canopy can be attached more firmly.

A further characteristic configuration of the exhaust hood for the gas low range according to the present invention is that the covering body has a flat plate shape.
The point is that the cover body of the canopy portion is configured so that the upper surface of the cover body is horizontal or substantially horizontal in a state where the cover body is arranged above the cylinder exhaust port.

According to the above characteristic configuration, since the upper surface of the covering body is horizontal or substantially horizontal, it is possible to place cooking utensils and the like on the upper surface of the covering body, that is, the upper surface of the canopy portion.
Therefore, since the upper surface of the canopy can be used as a shelf, it is possible to improve the working environment when cooking using the gas low range while improving the convenience.

A further characteristic configuration of the exhaust hood for the gas low range according to the present invention is that the covering body has a curved plate shape formed in a stepped shape.
In a state where the cover body of the canopy portion is arranged above the cylinder exhaust port, the step surface of the cover body is downward-sloping and the step surface of each step is horizontal or substantially horizontal. It is in the point that it is composed of.

According to the above-mentioned characteristic configuration, the back surface of the cover becomes higher as it approaches the canopy exhaust port, so that the cooking generated air generated from the cooking pot and flowing into the canopy can be generated along the back surface of the cover. It becomes easy to flow toward the exhaust port and easily flows out from the canopy exhaust port.
That is, the cooking generated air generated from the inside of the cooking pot is collected in the canopy while further reducing the leakage, and the inside of the canopy is made to flow more smoothly toward the canopy exhaust port, and the inside of the canopy is further smoothly flowed from the canopy exhaust port to the outside of the canopy. Since it can be discharged upward, it is possible to further sufficiently suppress the cooking product from diffusing and remaining in the room.

Further, since each step surface of the stepped cover is horizontal or substantially horizontal, it is possible to place cooking utensils and the like on each step surface.
Therefore, since the upper surface of the canopy can be used as a shelf, it is possible to further improve the working environment when cooking using the gas low range while improving convenience.

A further characteristic configuration of the exhaust hood for the gas low range according to the present invention is that the peripheral wall body is provided over the entire circumference of the covering body.

According to the above characteristic configuration, since the peripheral wall body is provided over the entire circumference of the covering body, the cooking generated air generated from the cooking pot is collected in the canopy while further reducing the leakage, and the canopy is exhausted. Since it can be discharged from the mouth to the outside of the canopy, it is possible to further sufficiently suppress the cooking product from diffusing and remaining in the room.
Therefore, the working environment when cooking using the gas low range can be further improved.

A further characteristic configuration of the exhaust hood for the gas low range according to the present invention is that the covering body has a flat plate shape.
The point is that the cover body of the canopy portion is configured so that the upper surface of the cover body has a downward-sloping shape in a state where the cover body is arranged above the cylinder exhaust port.

According to the above-mentioned characteristic configuration, the back surface of the cover becomes higher as it approaches the canopy exhaust port, so that the cooking generated air generated from the cooking pot and flowing into the canopy can be generated along the back surface of the cover. It becomes easy to flow toward the exhaust port and easily flows out from the canopy exhaust port.
That is, the cooking generated air generated from the inside of the cooking pot is collected in the canopy while further reducing the leakage, and the inside of the canopy is made to flow more smoothly toward the canopy exhaust port, and the inside of the canopy is further smoothly flowed from the canopy exhaust port to the outside of the canopy. Since it can be discharged upward, it is possible to further sufficiently suppress the cooking product from diffusing and remaining in the room.
Therefore, the working environment when cooking using the gas low range can be further improved.

A further characteristic configuration of the exhaust hood for the gas low range according to the present invention is that the peripheral wall body is provided at a position excluding a portion of the outer peripheral portion of the covering body on the front side along the left-right direction.

According to the above-mentioned feature configuration, the cooking generated air generated from the inside of the cooking pot is generated from the inside of the cooking pot on both the left and right sides of the canopy part by the peripheral wall body provided at the outer peripheral portion of the covering body except for the portion along the left and right direction on the front side. It is possible to prevent the food from leaking to the rear or the back, and it is possible to prevent the cooking generated air generated from the inside of the cooking pot from leaking to the front of the canopy portion by the cover body having a downward-sloping shape.
That is, since it is possible to make the front-lowering cover body function as a peripheral wall body for suppressing leakage of cooking generated air, it is possible to simplify the configuration of the canopy portion.
Therefore, it is possible to provide an exhaust hood that can improve the working environment when cooking using the gas low range while reducing the price.

The gas low range according to the present invention is a gas having a gas burner and a casing having a combustion chamber of the gas burner inside, and an exhaust stack erected behind the casing and discharging exhaust gas from the combustion chamber. It ’s a low range,
Its characteristic configuration is that it is equipped with the exhaust hood for the gas low range described above.

According to the above characteristic configuration, since the exhaust hood described above is provided, the exhaust gas of the gas burner that has risen up the exhaust stack is discharged into the canopy from the cylinder exhaust port, and further, the canopy recessed upward. It flows through the inside of the canopy toward the canopy exhaust port and is discharged upward outside the canopy.
Due to the draft action accompanying the flow of such exhaust gas, the cooking generated air generated from the inside of the cooking pot rises while changing its direction toward the canopy exhaust port and flows into the canopy, and further, the inside of the canopy is exhausted. It flows toward the mouth and is discharged upward from the canopy exhaust port together with the exhaust gas.
In other words, the cooking generated air generated from the inside of the cooking pot is collected and collected in the canopy while reducing leakage, and the inside of the canopy is made to flow toward the canopy exhaust port to move upward from the canopy exhaust port to the outside of the canopy. Since it can be discharged, it is possible to sufficiently suppress the cooking product from diffusing and remaining in the room.
Therefore, it is possible to provide a gas low range that can improve the working environment when cooking work using the gas low range.
The characteristic configuration of the exhaust hood for the gas low range according to the present invention for achieving the above object is a casing having a gas burner and a combustion chamber of the gas burner inside, and a casing erected at the rear portion of the casing. A canopy located above the gas low range with an exhaust stack that exhausts the exhaust gas from
The canopy portion is configured to have a concave shape upward, and is provided with a canopy exhaust port having a size capable of accommodating a cylinder exhaust port provided at the upper end portion of the exhaust stack in a plan view. ,
The cylinder exhaust port is located within a range vertically below the canopy exhaust port, and is arranged in such a manner that the cylinder exhaust port can be directly visually recognized through the canopy exhaust port in a plan view.
The canopy is configured to collect gaseous cooking products generated from a cooking pot placed on the casing and discharge them from the canopy exhaust port above the canopy.
The canopy portion is configured to include a cover body capable of covering at least substantially the entire upper surface of the casing in a plan view, and a peripheral wall body provided in a hanging shape on the outer peripheral portion of the cover body.
The canopy exhaust port is provided at the rear end of the covering body.
The cover body is in a state where the canopy portion positions the cylinder exhaust port in the canopy exhaust port and covers at least substantially the entire upper surface of the casing with the cover body in a plan view. Arranged above the
At least a part of the outer peripheral plate portion forming the outer peripheral surface of the casing and the top plate portion forming the upper surface is formed into a hollow double structure, and the internal space of the double structure is used as a cooling passage.
An outside air intake portion for taking in outside air into the cooling passage and a casing inner communication portion for communicating the cooling passage and the casing inner space which is the space inside the casing are provided.
A cooling air discharge cylinder is provided on the outer peripheral portion of the exhaust pipe so as to have a double cylinder structure with the exhaust pipe.
The lower end of the cooling air discharge cylinder communicates with the space inside the casing.
An outer exhaust port is provided at the upper end of the cooling air exhaust tube with the cylinder exhaust port housed inside.
The canopy exhaust port has a size capable of accommodating the outer exhaust port inside in a plan view, and the length in the front-rear direction is longer than the length in the front-rear direction of the outer exhaust port.
The covering body of the canopy portion is arranged above the cylinder exhaust port in a state where the outer exhaust port is located at the rear end portion in the canopy exhaust port in a plan view.
Below each of the left and right side ends of the canopy portion, a side panel is provided so as to be bridged between the side end portion of the canopy portion and the side end portion of the cooling air discharge cylinder.
According to the above characteristic configuration, the exhaust gas of the gas burner that has risen in the exhaust stack is discharged into the canopy from the cylinder exhaust port, and further flows in the canopy recessed upward toward the canopy exhaust port, and the canopy. It is discharged upward outside the outside.
Due to the draft action accompanying the flow of such exhaust gas, the cooking generated air generated from the inside of the cooking pot rises while changing its direction toward the canopy exhaust port and flows into the canopy, and further, the inside of the canopy is exhausted. It flows toward the mouth and is discharged upward from the canopy exhaust port together with the exhaust gas.
In other words, the cooking generated air generated from the inside of the cooking pot is collected and collected in the canopy while reducing leakage, and the inside of the canopy is made to flow toward the canopy exhaust port to move upward from the canopy exhaust port to the outside of the canopy. Since it can be discharged, it is possible to sufficiently suppress the cooking product from diffusing and remaining in the room.
By the way, since an exhaust means is usually provided near the ceiling of the room where the gas low range is installed, the exhaust gas discharged from the canopy exhaust port to the outside of the canopy and the cooking air are exhausted. Is discharged to the outside of the room.
Therefore, when cooking work using the gas low range, it is possible to provide an exhaust hood for the gas low range that can improve the working environment.
According to the above-mentioned feature configuration, in a plan view, the canopy portion covers at least substantially the entire upper surface of the casing, and the cylinder exhaust port is contained in the canopy exhaust port. Cooking generated air can be collected and collected in the canopy while minimizing leakage, and can be flowed toward the canopy exhaust port and discharged upward from the canopy exhaust port to the outside of the canopy. Can be further sufficiently suppressed from being diffused and remaining in the room. Therefore, the working environment when cooking using the gas low range can be further improved.
According to the above characteristic configuration, due to the draft action when the exhaust gas of the gas burner is discharged through the exhaust stack, the outside air flows into the cooling passage of the casing as cooling air from the outside air intake portion and flows through the cooling passage. The flow cools the casing. The cooling air that has been heated by cooling the casing flows into the space inside the casing from the communication portion inside the casing, further flows through the space inside the casing, flows into the lower end portion of the cooling air discharge cylinder, and further cools the casing. The air discharge cylinder is raised and discharged from the outer exhaust port into the canopy, and further flows toward the canopy exhaust port and is discharged upward from the canopy exhaust port to the outside of the canopy.
Further, in a plan view, the outer exhaust port is housed in the canopy exhaust port, and the outer exhaust port is located at the rear end of the canopy exhaust port, so that the cooling air discharged from the outer exhaust port into the canopy is However, even if the exhaust gas discharged from the cylinder exhaust port into the canopy is flowing so as to flow out from the canopy exhaust port, the resistance when the cooking generated air flowing into the canopy flows toward the canopy exhaust port. Can be sufficiently suppressed from becoming large.
That is, the casing is cooled by the flow of the cooling air, and the cooling air that has been heated by the cooling is allowed to flow into the canopy so that it is discharged from the canopy exhaust port to the outside of the canopy while cooking. Cooking generated air generated from the inside of the pot can be collected in the canopy while sufficiently reducing leakage, and can be discharged upward from the canopy exhaust port to the outside of the canopy.
Therefore, in addition to being able to sufficiently suppress the cooking product from diffusing and remaining in the room, the temperature rise in the room can also be suppressed by cooling the casing, so cooking is performed using a gas low range. The working environment when working can be further improved.
According to the above-mentioned feature configuration, the canopy portion is supported by the side panels on both the left and right sides. In addition, since the side panels on both the left and right sides block the cooking generated air generated from the cooking pot from flowing to the side, it is possible to further prevent the cooking generated air from leaking into the canopy without being collected. Can be done. Therefore, the working environment when cooking using the gas low range can be further improved, and the canopy can be attached more firmly.

Longitudinal right side view of the gas low range according to the first embodiment Partial cutout front view of the gas low range according to the first embodiment Top view of the gas low range according to the first embodiment IV-IV arrow view of FIG. An exploded perspective view of the gas low range according to the first embodiment. Partial cutout right side view of the gas low range according to the second embodiment Top view of the gas low range according to the second embodiment Partial cutout right side view of the gas low range according to the third embodiment Top view of the gas low range according to the third embodiment Partial cutout right side view of the gas low range according to the fourth embodiment An exploded perspective view of a main part of the gas low range according to another embodiment. Perspective view of the main part of the gas low range according to another embodiment

Hereinafter, embodiments of the gas low range according to the present invention will be described with reference to the drawings.
[First Embodiment]
First, the first embodiment will be described with reference to the drawings.
As shown in FIGS. 1 to 5, the gas low range is provided in a casing 3 having a gas burner 1 and a combustion chamber 2 of the gas burner 1 inside, and an exhaust gas from the combustion chamber 2 standing behind the casing 3. It is configured to include an exhaust stack 4 for discharging gas.

In the present invention, the gas low range is provided with an exhaust hood (hereinafter, may be simply referred to as an exhaust hood) H for the gas low range provided with a canopy Ht arranged above the exhaust stack 4. ..
The exhaust hood H has a canopy portion Ht recessed upward, and has a size capable of accommodating a cylinder exhaust port 5 provided at the upper end portion of the exhaust cylinder 4 in a plan view. The canopy exhaust port 41 is provided, and the canopy portion Ht is arranged above the cylinder exhaust port 5 in a state where the cylinder exhaust port 5 is located in the canopy exhaust port 41 and covers the upper surface of the casing 3 in a plan view. It is installed and collects gaseous cooking product substances (steam, vaporized oil, etc., which may be referred to as cooking product below) generated from the cooking pot N placed on the casing 3. Therefore, the air is discharged from the canopy exhaust port 41 above the canopy portion Ht.

In this embodiment, the canopy portion Ht has a covering body 40 capable of covering at least substantially the entire upper surface of the casing 3 in a plan view, and a peripheral wall body 50 provided in a hanging shape on the outer peripheral portion of the covering body 40. The canopy exhaust port 41 is provided at the rear end portion of the covering body 40.
Then, in a plan view, the canopy portion Ht positions the cylinder exhaust port 5 inside the canopy exhaust port 41 and covers at least substantially the entire upper surface of the casing 3 with the covering body 40. It is arranged above.

Next, each part of the gas low range will be described.
As shown in FIGS. 1, 2, 4 and 5, the casing 3 has a front plate portion 6 forming an outer peripheral surface, side plate portions 7 on both left and right sides, and a back plate portion 8 (all are examples of outer peripheral plate portions). And the top plate portion 9 form a rectangular parallelepiped box shape with an open bottom side.
Further, leg portions 10 are projected from the lower ends of the front plate portion 6, the side plate portions 7 on both the left and right sides, and the back plate portion 8, respectively, and the front plate portion 6 and the left and right side plates are provided above the floor surface with a slight gap. The lower ends of the portion 7 and the back plate portion 8 are arranged.
Further, a juice receiver 11 is detachably arranged between the left and right leg portions 10 of the lower end portion of the casing 3.

The front plate portion 6 is provided with an operation unit 12 for igniting, adjusting the thermal power, and extinguishing the gas burner 1, and the user P (see FIG. 1) operates the operation unit 12 from the front side of the casing 3. Can be done. Further, the front plate portion 6 is formed with a plurality of air intake holes 14 for taking in air into the casing inner space 13 which is a space inside the casing 3 from the outside of the casing 3.

Here, in the gas low range, the back plate portion 8 is installed in close contact with or close to the wall surface (not shown) of a room such as a kitchen, and the front plate portion 6 side is the front and the back plate portion 8 side is the rear. do.

A substantially circular heating opening 15 that penetrates vertically is formed in a substantially central portion of the top plate portion 9.
The combustion chamber 2 is formed in a substantially cylindrical combustion chamber side wall 16 having both upper and lower ends open, and the upper end of the substantially cylindrical combustion chamber side wall 16 is inserted into a heating opening 15 of the top plate portion 9. In this state, the combustion chamber 2 is provided in the casing 3 so as to be disposed in the casing 3.
A heat ring 17 is provided at the upper end of the side wall 16 of the combustion chamber. The upper surface of the heat ring 17 is a flat surface, and a cooking pot N such as a pan is placed on the flat upper surface. The portion provided with the heat ring 17 at the upper end of the side wall 16 of the combustion chamber protrudes slightly upward from the upper surface of the top plate portion 9, and the bottom of the pot is on the top with the cooking pot N placed on the heat ring 17. It is configured so that it does not come into contact with the plate portion 9 and the upper end opening of the side wall 16 of the combustion chamber is closed by the cooking pot N.

By the way, in this embodiment, the dimensions of the casing 3 are a width of 600 mm in the left-right direction, a depth of 750 mm in the front-rear direction, a height of the leg portion 10 of 140 mm, and a height from the floor surface to the upper surface of the top plate portion 9. It is set to 420 mm.

As shown in FIG. 1, the gas burner 1 includes a burner head 1h provided with a plurality of flame holes (not shown) and a mixing pipe 1p for supplying an air-fuel mixture of gas fuel and air to the burner head 1h. It is configured.
The gas burner 1 is in a state where the burner head 1h is located on the lower end side in the combustion chamber 2 and the mixing pipe 1p is located on the lower side of the combustion chamber 2 (that is, below the lower end side of the combustion chamber side wall 16). , Is provided in the casing 3. Further, the casing 3 is provided so that the pipe connection port 18 to which the downstream end of the gas supply pipe (not shown) made of a rubber hose or the like is connected is exposed, and the pipe connection port 18 and the mixing pipe 1p are provided. Is connected by a gas supply pipe (not shown).

Although not shown, a pilot fire burner is arranged in the combustion chamber 2 so as to be located in the vicinity of the burner head 1h of the gas burner 1. The pilot fire burner is provided with a heat-sensitive unit composed of a thermoelectric pair, etc., and when the operation unit 12 is operated to perform an ignition operation, the pilot fire burner is ignited by a piezoelectric spark, and the heat-sensitive unit is sufficiently heated to be predetermined. When the above temperature is sensed, the gas supply path to the gas burner 1 is opened to supply gas, and the gas burner 1 is ignited to start combustion. Further, when the flame is extinguished, the heat sensitive portion does not detect a temperature higher than a predetermined temperature, the gas supply path is closed, and combustion is stopped.

As shown in FIGS. 1 to 5, in this embodiment, the exhaust flue 20 having a double-cylinder structure including an inner square tubular exhaust tube 4 and an outer square tubular cooling air exhaust tube 19 is provided. , It is erected at the rear end of the top plate 9 of the casing 3. Then, the space between the inner exhaust pipe 4 and the outer cooling air discharge cylinder 19 constitutes a cooling air discharge passage 23 for discharging cooling air from the casing inner space 13.
As shown in FIG. 1, in the exhaust flue 20, the lower end of the cooling air discharge cylinder 19 is inserted into the top plate portion 9 of the casing 3, and the lower end of the exhaust pipe 4 is the casing 3. The lower end opening 21 of the cooling air exhaust cylinder 19 is provided in a state of protruding downward from the lower surface of the top plate portion 9, and is opened in the casing inner space 13.
That is, the lower end portion of the cooling air discharge cylinder 19 communicates with the casing inner space 13 via the lower end opening 21.

A heat insulating material 33 made of gypsum board or glass wool molding material is provided on the outer peripheral surface of the exhaust stack 4.

As shown in FIGS. 1 to 5, both the exhaust pipe 4 and the cooling air discharge pipe 19 have a flat square cylinder shape in which the length in the left-right direction is longer than the length in the front-rear direction. An elongated rectangular shape that is long in the left-right direction at the upper end of the exhaust stack 4 and an opening that points upward in the substantially vertical direction is a cylinder exhaust port 5, and an elongated rectangular shape that is long in the left-right direction of the upper end portion of the cooling air discharge cylinder 19. The opening facing upward in the vertical direction is referred to as the outer exhaust port 22.
That is, the outer exhaust port 22 is provided at the upper end of the cooling air discharge cylinder 19 with the cylinder exhaust port 5 housed inside.

As shown in FIGS. 1, 4 and 5, an exhaust communication port 24 for discharging the exhaust gas generated in the combustion chamber 2 is formed at the rear portion of the side wall 16 of the combustion chamber, and the exhaust communication port 24 and the exhaust communication port 24 are formed. The lower end opening of the exhaust pipe 4 is communicated with and connected by a connecting cylinder 25 having substantially the same cross-sectional shape as the exhaust pipe 4, so that the exhaust gas from the combustion chamber 2 can be discharged by the exhaust pipe 4. There is.

As shown in FIGS. 1, 2 and 4, in this embodiment, the outer peripheral plate portion (that is, the front plate portion 6, the side plate portions 7 on both the left and right sides, and the back plate portion 8) forming the outer peripheral surface of the casing 3 and the back plate portion 8 are formed. At least a part of the top plate portion 9 forming the upper surface has a hollow double structure, and the internal space of the double structure is used as a cooling passage 26, and an outside air intake portion that takes in outside air into the cooling passage 26. 27, and a casing inner communication portion 28 that communicates the cooling passage 26 and the casing inner space 13, which is the space inside the casing, are provided.

In this embodiment, the side plate portions 7 on both the left and right sides and a part of the front side of the top plate portion 9 have a double structure.
To add an explanation, the top plate portion 9 is configured to have a double structure including an upper top plate 9a and a lower top plate 9b arranged below a substantially front half portion of the upper top plate 9a with a gap.
Further, a partition plate 29 is provided on the left and right side plate portions 7 in a portion of the upper top plate 9a corresponding to the front side of the heating opening 15 of the top plate portion 9 (see FIG. 4), and the lower end of the partition plate 29. An example of the cooling passage 26 is a space surrounded by the upper top plate 9a, the lower top plate 9b, both side plate portions 7, the front plate portion 6, and the partition plate 29 by connecting the rear end portion of the lower top plate 9b to the portion. It is configured in a certain top plate cooling passage 26t.

Further, the annular gap between the opening edge of the heating opening 15 of the top plate portion 9 and the side wall 16 of the combustion chamber is the space 13 in the casing (however, the combustion space in the combustion chamber 2 is excluded. The same shall apply hereinafter). It is configured as a communication passage 30 that communicates with the atmosphere above the top plate portion 9.
Further, a front opening 9c is formed at the front end of the lower top plate 9b to communicate the space above and below the lower top plate 9b, and the upper top plate cooling passage 26t and the lower casing of the lower top plate 9b are formed. The inner space 13 is communicated with the inner space 13 via the front opening 9c. That is, the front opening 9c is provided as an example of the casing inner communication portion 28 that communicates the top plate portion cooling passage 26t (an example of the cooling passage 26) and the casing inner space 13.

The side plate portion 7 has a double structure including an outer plate 7a and an inner plate 7b arranged inside the outer plate 7a via a gap, and the gap between the outer plate 7a and the inner plate 7b is formed. The side plate cooling passage 26s, which is an example of the cooling passage 26, is formed, and the opening between the lower end of the outer plate 7a and the lower end of the inner plate 7b is formed in the side plate cooling passage 26s as cooling air. It is configured to function as an outside air intake port 32 as an example of an outside air intake unit 27 for taking in air from the outside.

Then, in the portion partitioning the top plate cooling passage 26t at the upper end of the front half of the inner plate 7b, a plurality of cooling passages communicating between the side plate cooling passage 26s and the top plate cooling passage 26t are communicated with each other. The hole 7c is formed, and the cooling air that has flowed from below through the side plate cooling passage 26s between the outer plate 7a and the inner plate 7b passes through the cooling passage communication hole 7c and the top plate cooling passage 26t. It is configured to flow into.
Further, in the upper end portion of the inner plate 7b, below the portion where the cooling passage communication hole 7c is formed, in the portion facing the casing inner space 13, a plurality of casing inner communication holes 7d (casing inner communication portion 28). An example) is formed, and a part of the cooling air that has passed through the side plate cooling passage 26s is configured to flow into the casing inner space 13 through the casing inner communication hole 7d.

The casing 3, the heat ring 17, the exhaust stack 4, the cooling air exhaust stack 19, and the like are made of heat-resistant metal such as SUS.

Next, the exhaust hood H will be described with reference to FIGS. 1, 2, 3 and 5.
In this first embodiment, the covering body 40 is a rectangular flat plate having a length in the left-right direction slightly longer than that of the casing 3 and a length in the front-rear direction substantially the same as that of the casing 3.
The peripheral wall body 50 is provided over the entire circumference of the covering body 40 in a rectangular tube shape in a plan view including a front wall portion 51 on the front side, side wall portions 52 on both left and right sides, and a rear wall portion 53 on the rear side. ..
The vertical lengths of the front wall portion 51 and the left and right side wall portions 52 are substantially the same, and the vertical length of the rear wall portion 53 is greater than the vertical length of the front wall portion 51 and the left and right side wall portions 52. Is also configured to be long.

Then, the canopy portion Ht positions the upper end of the exhaust flue 20 slightly above the lower ends of the left and right side wall portions 52 so as to separate a predetermined distance between the cover 40 and the upper end of the exhaust flue 20. In this state, the inner surface of the rear wall portion 53 is applied to the rear surface of the cooling air exhaust cylinder 19, and the inner surfaces of the left and right side wall portions 52 are applied to the left and right side surfaces of the cooling air exhaust cylinder 19 for cooling. It is cantilevered and fixed to the upper end of the air discharge cylinder 19.

Incidentally, the canopy portion Ht is made of a heat-resistant metal such as SUS, and the canopy portion Ht is attached to the upper end portion of the cooling air discharge cylinder 19 by welding, screwing, or the like.

Further, the canopy portion Ht is configured so that the upper surface of the covering body 40 is horizontal or substantially horizontal in a state where the canopy portion Ht is arranged above the cylinder exhaust port 5 as described above.
The upper surface of the covering body 40 is configured to be usable as a shelf 42 on which cooking utensils and the like can be placed.

In this first embodiment, the canopy exhaust port 41 is formed at the rear end portion of the covering body 40, and the shape of the canopy exhaust port 41 is a plan view of the cooling air discharge cylinder 19 having a length in the left-right direction. It has a rectangular shape that is slightly longer than the length of the outer exhaust port 22 at the upper end in the left-right direction, and the length in the front-rear direction is longer than the length in the front-rear direction of the outer exhaust port 22 (for example, about twice).
That is, the canopy exhaust port 41 has a size capable of accommodating the outer exhaust port 22 inside in a plan view, and the length in the front-rear direction is longer than the length in the front-rear direction of the outer exhaust port 22. ..
That is, in a plan view, the length of the canopy exhaust port 41 in the front-rear direction is longer than the length of the cylinder exhaust port 5 in the front-rear direction.

Then, the canopy portion Ht is arranged above the cylinder exhaust port 5 in a state where the outer exhaust port 22 is located at the rear end portion in the canopy exhaust port 41 in a plan view.
That is, the canopy portion Ht is arranged above the cylinder exhaust port 5 in a state where the cylinder exhaust port 5 is located at the rear end portion in the canopy exhaust port 41 in a plan view.

Here, as shown in FIG. 1, the canopy portion Ht does not prevent the user P standing in front of the gas low range from visually recognizing the cooking pot (for example, the pan) N placed on the casing 3. The height is not too high for placing cooking utensils and the like on the shelf 42 on the upper surface of the casing 40, and is arranged above the cylinder exhaust port 5.
For example, as shown in FIG. 1, the lower end of the front wall portion 51 of the canopy portion Ht is the line of sight L where the user P standing in front of the gas low range looks at the upper end rear end of the cooking pot N placed on the casing 3. The canopy portion Ht is arranged above the cylinder exhaust port 5 so as to have substantially the same height as the above.

Next, with reference to FIGS. 1, 2 and 4, the flow of exhaust gas, air and cooking generated air will be described in a state where the canopy Ht is arranged above the cylinder exhaust port 5. In each figure, the flows of exhaust gas, air, and cooking product are indicated by arrows.
Incidentally, an exhaust means such as an exhaust fan is provided near the ceiling of a room such as a kitchen in which a gas low range is installed, and an intake action acts on the canopy exhaust port 41 of the canopy Ht from above the outside.

The user P operates the operation unit 12 to start combustion of the gas burner 1. When the combustion of the gas burner 1 starts, the high-temperature combustion gas generated by the combustion rises in the combustion chamber 2 and heats the bottom of the cooking pot N and the heat ring 17. The combustion gas heats the bottom of the pot, etc. by the exhaust draft, the draft due to the temperature difference, and the draft generated by the gas ejection from the gas burner 1, and then flows to the rear of the combustion chamber 2 as the exhaust gas and flows from the exhaust communication port 24 to the connection cylinder. It flows into the exhaust stack 4 through 25 (see arrow a in FIG. 1), flows upward in the exhaust stack 4 (see arrow b in FIG. 1), and is discharged from the cylinder exhaust port 5 into the canopy Ht. (See arrow C in FIG. 1).

When the gas burner 1 burns, a draft of the exhaust gas causes a flow of cooling air.
First, the atmosphere is taken in as cooling air from the outside air intake port 32 at the lower end of the side plate portion 7 (see arrow d in FIG. 2). This cooling air cools the side plate portion 7 while flowing upward through the side plate portion cooling passage 26s in the side plate portion 7 having a double structure, and a part thereof is formed on the inner plate 7b of the side plate portion 7. It flows into the casing inner space 13 from the casing inner communication hole 7d (see the arrow E in FIG. 2), and the rest has a double structure from the cooling passage communication hole 7c formed in the inner plate 7b of the side plate portion 7. It flows into the top plate cooling passage 26t in the top plate 9 (see the arrow in FIG. 2 and the arrow in FIG. 4). The cooling air flowing into the top plate cooling passage 26t cools the substantially first half of the top plate 9 in which the top plate cooling passage 26t is formed. The cooling air that has flowed into the top plate cooling passage 26t flows into the casing inner space 13 below from the front opening 9c formed at the front end of the lower top plate 9b (see the arrow in FIG. 1).

Further, the air outside the casing 3 flows into the casing inner space 13 from the air intake hole 14 formed in the front plate portion 7 (see arrow Nu in FIG. 1).
The cooling air that has flowed into the casing inner space 13 through the casing inner communication hole 7d of the side plate portion 7 and the front opening 9c of the lower top plate 9b, and the air that has flowed into the casing inner space 13 from the air intake hole 14 of the front plate portion 6 are A part of the air flows into the combustion chamber 2 from the lower end opening of the combustion chamber 2 (arrows are omitted), is used as secondary air of the gas burner 1, becomes exhaust gas, and flows into the connection cylinder 25 from the exhaust communication port 24. Then, the remaining part of the cooling air that has flowed into the casing inner space 13 flows from the communication passage 30 between the top plate portion 9 and the side wall surface 16 of the combustion chamber to the atmosphere above the top plate portion 9 (FIG. 1 and the arrow in FIG. 2), most of the remaining cooling air that has flowed into the casing inner space 13 is inside the cooling air discharge cylinder 19 from the lower opening 21 of the cooling air discharge cylinder 19 at the rear of the casing 3. (See the arrow in FIG. 1), and while cooling the cooling air discharge cylinder 19 and the exhaust pipe 4, the cooling air discharge passage 23 flows upward to flow upward, and the outer exhaust port 22 Is discharged into the canopy Ht (see the arrow in FIG. 1).

As shown by the arrow, the cooling air discharged above the communication passage 30 between the combustion chamber side wall 16 and the opening edge of the heating opening 15 rises and turns toward the canopy exhaust port 41. While flowing into the canopy Ht, it further flows through the canopy Ht toward the canopy exhaust port 41.

Further, as shown by the arrow W, the cooking generated air generated from the inside of the cooking pot N also rises toward the canopy exhaust port 41 while changing its direction and flows into the canopy portion Ht, and further, inside the canopy portion Ht. Flows toward the canopy exhaust port 41.
Then, the exhaust gas discharged from the cylinder exhaust port 5 into the canopy portion Ht, the cooling air discharged from the outer exhaust port 22 into the canopy portion Ht, and the exhaust gas discharged from the communication passage 30 of the casing 3 into the canopy portion Ht. The inflowing cooling air and the cooking generated air generated from the cooking pot N and flowing into the canopy Ht flow in the canopy Ht toward the canopy exhaust port 41, and are indicated by arrows. Both are discharged upward from the canopy exhaust port 41 to the outside of the canopy portion Ht, and further discharged to the outside of the portion by the exhaust means such as the exhaust fan described above.

That is, the flow of the cooling air cools the left and right side plate portions 7 and the front side portion of the top plate portion 9 of the casing 3, and the cooling air raised by the cooling is the cooling air discharge cylinder 19. It flows into the cooling air discharge passage 23 in the cooling air discharge cylinder 19 from the lower opening 21, flows upward through the cooling air discharge passage 23, and is discharged from the outer exhaust port 22 into the canopy Ht.
Then, in a plan view, the canopy portion Ht covers at least substantially the entire upper surface of the casing 3, and the outer exhaust port 22 is housed in the canopy exhaust port 41. Therefore, the exhaust gas of the gas burner 1 The cooling air raised by cooling the casing 3 and the cooking generated air generated from the cooking pot N are collected and collected in the canopy Ht while minimizing leakage, and in the canopy Ht. Can be smoothly flowed toward the canopy exhaust port 41 and discharged upward from the canopy exhaust port 41 to the outside of the canopy portion Ht.
Therefore, in addition to being able to sufficiently suppress the cooking product from diffusing and remaining in the room, the temperature rise in the room can also be suppressed by cooling the casing 3, so a gas low range is used. It is possible to sufficiently improve the working environment when performing cooking work.

Hereinafter, each of the second to fourth embodiments of the present invention will be described, but each of the second to fourth embodiments describes another embodiment of the exhaust hood H, and is other than the exhaust hood H. The configuration is the same as that of the first embodiment described above. Therefore, in order to avoid duplicate explanations, the exhaust hood H will be mainly described with respect to the configurations other than the exhaust hood H, omitting detailed description and illustration.

[Second Embodiment]
The second embodiment will be described with reference to FIGS. 6 and 7.
In the second embodiment, the covering body 40 has a curved plate shape formed in a stepped shape, and the staircase surface of the covering body 40 is in a state where the canopy portion Ht is arranged above the cylinder exhaust port 5. It is configured so as to have a downward-sloping shape and the step surface 43 of each step is horizontal or substantially horizontal.

To add an explanation, the covering body 40 has a three-step step shape, and a canopy exhaust port 41 is formed on the third step surface 43 of the uppermost step, and each step surface 43 of the first step and the second step. Is configured to be usable as a shelf 42 on which cooking utensils and the like can be placed.
The plan view shape of the stepped covering body 40 is a rectangular shape having a length in the left-right direction slightly longer than that of the casing 3 and a length in the front-rear direction substantially the same as that of the casing 3.

Further, the plate-shaped portion of the stepped covering body 40 that hangs down from the front end of the first step surface 43 is also used as the front wall portion 51, and the peripheral wall body 50 is the same as the first embodiment described above. The front wall portion 51, the side wall portions 52 on both the left and right sides, and the rear wall portion 53 on the rear side are provided in a square tubular shape over the entire circumference of the covering body 40 in a plan view.
In the left-right direction view, the upper end edges of the left and right side wall portions 52 are formed so as to follow the step shape of the stepped covering body 40, and the side wall portions 52 are downward from the left and right side edge edges of the covering body 40. It is configured to surround the room without any gaps.

The shape of the canopy exhaust port 41 is slightly longer in the left-right direction than the length in the left-right direction of the outer exhaust port 22 at the upper end of the cooling air discharge cylinder 19, and the length in the front-rear direction is the outer exhaust port. It has a rectangular shape longer than the length of 22 in the front-rear direction.
That is, as in the first embodiment, the canopy exhaust port 41 has a size that allows the outer exhaust port 22 to be accommodated inside in a plan view, and the length in the front-rear direction is the outer exhaust port 22. It is longer than the length in the front-back direction of.
That is, in a plan view, the length of the canopy exhaust port 41 in the front-rear direction is longer than the length of the cylinder exhaust port 5 in the front-rear direction.

Then, as in the first embodiment, the canopy portion Ht is arranged above the cylinder exhaust port 5 in a state where the outer exhaust port 22 is located at the rear end portion in the canopy exhaust port 41 in a plan view. NS.
That is, the canopy portion Ht is arranged above the cylinder exhaust port 5 in a state where the cylinder exhaust port 5 is located at the rear end portion in the canopy exhaust port 41 in a plan view.

Further, in the second embodiment, the canopy portion Ht is bridged between the side end portions of the canopy portion Ht and the side end portions of the cooling air discharge cylinder 19 below the left and right side ends of the canopy portion Ht. A side panel 60 is provided that surrounds the side of the space between the lower surface of the canopy Ht and the front surface of the cooling air discharge cylinder 19.
The side panel 60 has a right-angled triangular plate shape, one side of the side panel 60 connected to the right-angled corner is fixed to the side end of the canopy Ht, and the other side is cooling air. It is fixed to the side end of the discharge cylinder 19.

Here, as shown in FIG. 6, the canopy portion Ht does not prevent the user P standing in front of the gas low range from visually recognizing the cooking pot N placed on the casing 3, and the cover 40 It is arranged above the cylinder exhaust port 5 at a height that is not too high for placing cooking utensils and the like on the upper shelf 42.
For example, as shown in FIG. 6, the lower end of the front wall portion 51 of the canopy portion Ht is the line of sight L in which the user P standing in front of the gas low range looks at the upper end of the rearmost portion of the cooking pot N placed on the casing 3. The canopy portion Ht is arranged above the cylinder exhaust port 5 so as to have substantially the same height as the above.

Next, the flow of exhaust gas, air, and cooking product will be described with reference to FIG. In FIG. 6, the flows of exhaust gas, air, and cooking product are indicated by arrows.
Similar to the first embodiment, the exhaust gas of the gas burner 1 that has flowed upward through the exhaust stack 4 is discharged from the cylinder exhaust port 5 into the canopy Ht as shown by the arrow C, and is discharged into the canopy Ht. The cooling air that has flowed upward through the cooling air discharge path 23 in 19 is also discharged into the canopy Ht from the outer exhaust port 22 as shown by the arrow.
Further, as shown by the arrow, the cooling air discharged above the communication passage 30 between the combustion chamber side wall 16 and the opening edge of the heating opening 15 rises and faces toward the canopy exhaust port 41. It flows into the canopy portion Ht while changing the above, and further flows in the canopy portion Ht toward the canopy exhaust port 41.
Further, as shown by the solid line arrow W, the cooking generated air generated from the inside of the cooking pot N also rises toward the canopy exhaust port 41 while changing its direction and flows into the canopy portion Ht, and further, the canopy portion Ht. It flows inside toward the canopy exhaust port 41.

In this second embodiment, the covering body 40 has a curved plate shape formed in a stepped shape, and the back surface of the covering body 40 becomes higher as it approaches the canopy exhaust port 41. In addition, the cooling air discharged from the communication passage 30 of the casing 3 and flowing into the canopy Ht, the cooking generated air generated from the cooking pot N and flowing into the canopy Ht, and the like are collected from the back surface of the covering body 40. It becomes easy to flow toward the canopy exhaust port 41 along the canopy exhaust port 41, and easily flows out from the canopy exhaust port 41.
Moreover, since the lower parts of the canopy portion Ht on both the left and right sides are surrounded by the side panels 60, the cooling air discharged from the communication passage 30 of the casing 3 and the cooking generated air generated from the cooking pot N can be generated. It is blocked by the side panel 60 and becomes difficult to flow sideways.
Therefore, the cooling air discharged from the communication passage 30 of the casing 3 and the cooking generated air generated from the inside of the cooking pot N are effectively collected in the canopy Ht and discharged upward outside the canopy Ht. Then, it can be discharged to the outside of the cooking room by the exhaust means.

[Third Embodiment]
A third embodiment will be described with reference to FIGS. 8 and 9.
In the third embodiment, the covering body 40 has a flat plate shape, and the upper surface of the covering body 40 has a downward-sloping shape in a state where the canopy portion Ht is arranged above the cylinder exhaust port 5. ing.

The shape of the flat plate-shaped covering body 40 provided in a downwardly inclined shape when viewed in a plan view is a rectangular shape in which the length in the left-right direction is slightly longer than that of the casing 3 and the length in the front-rear direction is substantially the same as that of the casing 3. Is.
The peripheral wall body 50 is composed of side wall portions 52 on both left and right sides and a rear wall portion 53 on the rear side, and is provided at a portion of the outer peripheral portion of the covering body 40 excluding a portion along the left and right directions on the front side.

The canopy exhaust port 41 is provided at the rear end portion of the covering body 40, and the shape of the canopy exhaust port 41 in a plan view is that the length in the left-right direction is the outer exhaust port 22 at the upper end of the cooling air discharge cylinder 19. It is a rectangular shape that is slightly longer than the length in the left-right direction, and the length in the front-rear direction is longer than the length in the front-rear direction of the outer exhaust port 22.
That is, as in the first embodiment, the canopy exhaust port 41 has a size that allows the outer exhaust port 22 to be accommodated inside in a plan view, and the length in the front-rear direction is the outer exhaust port 22. It is longer than the length in the front-back direction of.
That is, in a plan view, the length of the canopy exhaust port 41 in the front-rear direction is longer than the length of the cylinder exhaust port 5 in the front-rear direction.

Then, as in the first embodiment, the canopy portion Ht is arranged above the cylinder exhaust port 5 in a state where the outer exhaust port 22 is located at the rear end portion in the canopy exhaust port 41 in a plan view. NS.
That is, the canopy portion Ht is arranged above the cylinder exhaust port 5 in a state where the cylinder exhaust port 5 is located at the rear end portion in the canopy exhaust port 41 in a plan view.

Here, as shown in FIG. 8, the canopy portion Ht has a height that does not prevent the user P standing in front of the gas low range from visually recognizing the cooking pot N placed on the casing 3, and the cylinder exhaust port. It is arranged above 5.
For example, as shown in FIG. 8, the front end of the canopy portion Ht is substantially the same height as the line of sight L where the user P standing in front of the gas low range looks at the upper end of the rearmost portion of the cooking pot N placed on the casing 3. The canopy portion Ht is arranged above the cylinder exhaust port 5 so as to be.

FIG. 8 shows the flow of exhaust gas, air, and cooking product with arrows.
The flow of the exhaust gas discharged from the cylinder exhaust port 5 into the canopy Ht and the flow of the cooling air discharged from the outer exhaust port 22 into the canopy Ht are the same as those in the first embodiment. Omit.
In the third embodiment, as in the second embodiment, the back surface of the covering body 40 becomes higher as it approaches the canopy exhaust port 41. Therefore, as shown by the arrows and wa, the connecting passage 30 of the casing 3 The cooling air discharged from the canopy Ht and the cooking generated air generated from the cooking pot N and flowing into the canopy Ht are sent to the canopy exhaust port 41 along the back surface of the casing 40. It becomes easy to flow toward the canopy exhaust port 41 and easily flows out from the canopy exhaust port 41.

[Fourth Embodiment]
A fourth embodiment will be described with reference to FIG. Although FIG. 10 is a right side view of a partial notch, the plan view looks the same as the gas low range of the third embodiment. Therefore, in the following description, the plan view is the gas low range of the third embodiment. Refer to FIG. 9, which shows a plan view of the above.
In the fourth embodiment, the covering body 40 has an arcuate curved plate shape in a side view, and the upper surface of the covering body 40 has a downward-sloping shape in a state where the canopy portion Ht is arranged above the cylinder exhaust port 5. It is configured to be.

The shape of the curved plate-shaped covering body 40 in a plan view is a rectangular shape in which the length in the left-right direction is slightly longer than that of the casing 3 and the length in the front-rear direction is substantially the same as that of the casing 3.
Similar to the third embodiment, the peripheral wall body 50 is composed of side wall portions 52 on both left and right sides and a rear wall portion 53 on the rear side, excluding a portion of the outer peripheral portion of the covering body 40 along the front left and right directions. It is provided in a place.

The canopy exhaust port 41 is provided at the rear end portion of the covering body 40, and the shape of the canopy exhaust port 41 in a plan view is that the length in the left-right direction is the outer exhaust port 22 at the upper end of the cooling air discharge cylinder 19. It is a rectangular shape that is slightly longer than the length in the left-right direction, and the length in the front-rear direction is longer than the length in the front-rear direction of the outer exhaust port 22.
That is, as in the first embodiment, the canopy exhaust port 41 has a size that allows the outer exhaust port 22 to be accommodated inside in a plan view, and the length in the front-rear direction is the outer exhaust port 22. It is longer than the length in the front-back direction of.
That is, in a plan view, the length of the canopy exhaust port 41 in the front-rear direction is longer than the length of the cylinder exhaust port 5 in the front-rear direction.

Then, as in the first embodiment, the canopy portion Ht is arranged above the cylinder exhaust port 5 in a state where the outer exhaust port 22 is located at the rear end portion in the canopy exhaust port 41 in a plan view. NS.
That is, the canopy portion Ht is arranged above the cylinder exhaust port 5 in a state where the cylinder exhaust port 5 is located at the rear end portion in the canopy exhaust port 41 in a plan view.

Here, as shown in FIG. 10, the canopy portion Ht has a height that does not prevent the user P standing in front of the gas low range from visually recognizing the cooking pot N placed on the casing 3, and the cylinder exhaust port. It is arranged above 5.
For example, as shown in FIG. 10, the front end of the canopy portion Ht is substantially the same height as the line of sight L where the user P standing in front of the gas low range looks at the upper end of the rearmost portion of the cooking pot N placed on the casing 3. The canopy portion Ht is arranged above the cylinder exhaust port 5 so as to be.

In FIG. 10, the flows of exhaust gas, air, and cooking product are indicated by arrows.
The flow of the exhaust gas discharged from the cylinder exhaust port 5 into the canopy Ht and the flow of the cooling air discharged from the outer exhaust port 22 into the canopy Ht are the same as those in the first embodiment. Omit.
Also in this fourth embodiment, as in the second embodiment, the back surface of the covering body 40 becomes higher as it approaches the canopy exhaust port 41. Therefore, as shown by the arrows and wa, the connecting passage 30 of the casing 3 The cooling air discharged from the canopy Ht and the cooking generated air generated from the cooking pot N and flowing into the canopy Ht are sent to the canopy exhaust port 41 along the back surface of the casing 40. It becomes easy to flow toward the canopy exhaust port 41 and easily flows out from the canopy exhaust port 41.

[Another Embodiment]
(A) In the gas low range of each of the first, third and fourth embodiments described above, the same side panel 60 as in the second embodiment may be provided. Further, in the gas low range of the second embodiment described above, the side panel 60 may be omitted.

(B) When the covering body 40 is configured in a stepped shape as in the second embodiment described above, the number of steps is not limited to the three steps illustrated in the second embodiment, and even if the two steps are four. It may be more than one step.

(C) In each of the first to fourth embodiments described above, the outer peripheral plate portion (that is, the front plate portion 6, the left and right side plate portions 7 and the back plate portion 8) and the upper surface forming the outer peripheral surface of the casing 3 are formed. At least a part of the top plate portion 9 to be formed has a double structure, the internal space of the double structure is used as a cooling passage 26, and the cooling air discharge cylinder 19 is placed on the outer peripheral portion of the exhaust pipe 4. The cooling air that has passed through the cooling passage 26 is discharged by the cooling air discharge cylinder 19, but such a configuration may be omitted. ..
In this case, since the cooling air discharge cylinder 19 is not provided, the exhaust hood H described in each of the first to fourth embodiments is directly attached to the upper end portion of the exhaust pipe 4. That is, the canopy portion Ht is located in the canopy exhaust port 41 in a plan view, and the cylinder exhaust port 5 covers at least substantially the entire upper surface of the casing 3 with the covering body 40. In the form of being arranged above, it is directly attached to the upper end of the exhaust stack 4 by welding, screwing, or the like.

(D) The shape of the casing 3 (particularly the shape in a plan view) is not limited to the rectangular parallelepiped box shape exemplified in the above embodiment, and can be variously changed to correspond to the shape of the casing 3. Therefore, the shape of the canopy portion Ht (particularly the shape in a plan view) can be changed. For example, when the shape of the casing 3 is a cylindrical shape that exhibits a circular shape in a plan view, the shape of the canopy portion Ht in a plan view, that is, the shape of the covering body 40 in a plan view is a plan view of the casing 3. Make a circle with a diameter equal to or greater than the circle of the shape of.

(E) In each of the first to fourth embodiments described above, an embodiment in the case of manufacturing as a gas low range provided with an exhaust hood H has been illustrated, but the exhaust hood described in each of the first to fourth embodiments has been illustrated. The H may be manufactured independently of the gas low range. In this case, the exhaust hood H described in each of the first to fourth embodiments can be provided in the existing gas low range not provided with the exhaust hood H.

(F) When the exhaust hood H is manufactured separately from the gas low range, the gas low range without the exhaust hood H is configured so that the exhaust hood H can be attached later.
For example, as shown in FIG. 11, a diversion adapter 35 that discharges the exhaust gas that has flowed upward through the exhaust stack 4 and the cooling air that has flowed upward through the cooling air discharge cylinder 19 in an obliquely forward and upward direction. It is detachably attached to the upper end of the exhaust flue 20 with screws or the like.
The conversion adapter 35 is configured by bending the upper end side of the rear plate portion 35r on the rear side diagonally upward in the forward direction and forming an adapter exhaust port 35e on the front plate portion 35f on the front side. Then, the exhaust gas that has flowed upward in the exhaust stack 4 and the cooling air that has flowed upward in the cooling air discharge cylinder 19 are guided by the back plate portion 35r so as to flow diagonally forward and upward, and the adapter. It is discharged diagonally upward from the exhaust port 35e.

That is, when the exhaust hood H is not attached, the conversion adapter 35 is attached to the upper end of the exhaust flue 20 for use. When attaching the exhaust hood H, the diversion adapter 35 is removed to expose the vertically upward cylinder exhaust port 5 and the outer exhaust port 22 to the upper end of the exhaust flue 20, and each of the above 1st to 4th implementations is carried out. The exhaust hood H described in the above embodiment is attached to the upper end portion of the cooling air discharge cylinder 19 in the form described in each of the first to fourth embodiments.

As shown in FIG. 12, when a conversion adapter 35 similar to the conversion adapter 35 shown in FIG. 11 is fixedly attached to the upper end of the exhaust flue 20, it contains cooling air. An accessory part 36 is an exhaust port forming component 36 that guides the exhaust gas discharged diagonally upward from the adapter exhaust port 35e so as to flow upward and forms a cylinder exhaust port 5 that discharges the exhaust gas vertically upward. Prepare as.

The exhaust port forming component 36 includes a front plate portion 36f and left and right side plate portions 36s in a U shape in a plan view, includes a bottom plate portion 36b that closes the bottom portion, and faces the front plate portion 36f to the adapter exhaust port 35e. It is configured so that it can be attached to the front surface of the conversion adapter 35 with a screw or the like in this posture.
Then, when the exhaust hood H is attached, the exhaust port forming component 36 is attached to the front surface of the conversion adapter 35 to form the vertically upward cylinder exhaust port 5, and in each of the first to fourth embodiments described above. The described exhaust hood H is attached to the upper end portion of the cooling air discharge cylinder 19 in the form described in each of the first to fourth embodiments.

(G) In the above embodiment, the canopy portion Ht having a shape recessed upward is composed of the covering body 40 and the peripheral wall body 50, but one piece formed into a shape recessed upward. It may be composed of a plate material.

It should be noted that the configuration disclosed in the above embodiment (including another embodiment, the same shall apply hereinafter) can be applied in combination with the configuration disclosed in other embodiments as long as there is no contradiction. , The embodiments disclosed in the present specification are examples, and the embodiments of the present invention are not limited thereto, and can be appropriately modified without departing from the object of the present invention.

As described above, it is possible to provide an exhaust hood for a gas low range and a gas low range that can improve the working environment when cooking work is performed using the gas low range.

1 Gas burner 2 Combustion chamber 3 Casing 4 Exhaust pipe 5 Cylinder exhaust port 6 Front plate (outer peripheral plate)
7 Side plate (outer circumference plate)
8 Back plate (outer circumference plate)
9 Top plate 13 Casing inner space 19 Cooling air exhaust tube 22 Outer exhaust port 26 Cooling passage 27 Outside air intake 28 Casing inner communication part 40 Cover 41 Canopy exhaust port 43 Step surface 50 Peripheral wall body 60 Side panel H gas Exhaust hood for low range Ht Canopy N Cooking pot

Claims (12)

A casing having a combustion chamber of the gas burner and the gas burner in the interior, are erected in the rear portion of the casing, it is disposed on the upper side of the gas low range and a stack for discharging exhaust gas from the combustion chamber Equipped with a canopy
The canopy portion is configured to have a concave shape upward, and is provided with a canopy exhaust port having a size capable of accommodating a cylinder exhaust port provided at the upper end portion of the exhaust stack in a plan view. ,
The cylinder exhaust port is located within a range vertically below the canopy exhaust port, and is arranged in such a manner that the cylinder exhaust port can be directly visually recognized through the canopy exhaust port in a plan view.
The canopy portion is configured to collect gaseous cooking products generated from a cooking pot placed on the casing and discharge them from the canopy exhaust port above the canopy portion. Exhaust hood for. The canopy portion is configured to include a cover body capable of covering at least substantially the entire upper surface of the casing in a plan view, and a peripheral wall body provided in a hanging shape on the outer peripheral portion of the cover body.
The canopy exhaust port is provided at the rear end of the covering body.
The cover body is in a state where the canopy portion positions the cylinder exhaust port in the canopy exhaust port and covers at least substantially the entire upper surface of the casing with the cover body in a plan view. The exhaust hood for the gas low range according to claim 1, which is disposed above the above. In a plan view, the length of the canopy exhaust port in the front-rear direction is longer than the length of the cylinder exhaust port in the front-rear direction.
The second aspect of claim 2, wherein the covering body of the canopy portion is arranged above the cylinder exhaust port in a state where the cylinder exhaust port is located at the rear end portion in the canopy exhaust port in a plan view. Exhaust hood for gas low range. At least a part of the outer peripheral plate portion forming the outer peripheral surface of the casing and the top plate portion forming the upper surface is formed into a hollow double structure, and the internal space of the double structure is used as a cooling passage.
An outside air intake portion for taking in outside air into the cooling passage and a casing inner communication portion for communicating the cooling passage and the casing inner space which is the space inside the casing are provided.
A cooling air discharge cylinder is provided on the outer peripheral portion of the exhaust pipe so as to have a double cylinder structure with the exhaust pipe.
The lower end of the cooling air discharge cylinder communicates with the space inside the casing.
An outer exhaust port is provided at the upper end of the cooling air exhaust tube with the cylinder exhaust port housed inside.
The canopy exhaust port has a size capable of accommodating the outer exhaust port inside in a plan view, and the length in the front-rear direction is longer than the length in the front-rear direction of the outer exhaust port.
The outer exhaust port is located within a range vertically below the canopy exhaust port, and is arranged in such a manner that the outer exhaust port can be directly seen through the canopy exhaust port in a plan view.
The covering of the canopy portion, in plan view, the outer outlet in a state of being located at the rear end portion of the canopy exhaust mouth to claim 2 or 3 is disposed above the tube outlet Exhaust hood for the listed gas low range. Below the side end portions of the left and right of the canopy portion, in claim 4, wherein the canopy portion side end portion and the cooling air discharge tube side panels Ru bridged and the side end portion of the can is provided Exhaust hood for the described gas low range. The covering body is flat and has a flat plate shape.
Any one of claims 2 to 5 in which the cover body of the canopy portion is arranged above the cylinder exhaust port so that the upper surface of the cover body is horizontal or substantially horizontal. Exhaust hood for gas low range described in section. The covering body has a curved plate shape formed in a staircase shape, and has a curved plate shape.
In a state where the cover body of the canopy portion is arranged above the cylinder exhaust port, the step surface of the cover body is downward-sloping and the step surface of each step is horizontal or substantially horizontal. The exhaust hood for a gas low range according to any one of claims 2 to 5, which is configured in the above. The exhaust hood for a gas low range according to claim 6 or 7, wherein the peripheral wall body is provided over the entire circumference of the covering body. The covering body is flat and has a flat plate shape.
The covering of the canopy portion is in a state of being disposed above the tube outlet, any one of claims 2-5 in which the upper surface of the cover body is configured to be forwardly downwardly shape Exhaust hood for gas low range described in. The exhaust hood for a gas low range according to claim 9, wherein the peripheral wall body is provided at a position excluding a portion along the left-right direction on the front side of the outer peripheral portion of the cover body. It is a gas low range provided with a casing having a gas burner and a combustion chamber of the gas burner inside, and an exhaust stack erected at the rear portion of the casing and discharging exhaust gas from the combustion chamber.
Moth throw range an exhaust hood for a gas low oven according to any one of claims 1 to 10. A casing having a combustion chamber of the gas burner and the gas burner in the interior, are erected in the rear portion of the casing, it is disposed on the upper side of the gas low range and a stack for discharging exhaust gas from the combustion chamber Equipped with a canopy
The canopy portion is configured to have a concave shape upward, and is provided with a canopy exhaust port having a size capable of accommodating a cylinder exhaust port provided at the upper end portion of the exhaust stack in a plan view. ,
The cylinder exhaust port is located within a range vertically below the canopy exhaust port, and is arranged in such a manner that the cylinder exhaust port can be directly visually recognized through the canopy exhaust port in a plan view.
The canopy is configured to collect gaseous cooking products generated from a cooking pot placed on the casing and discharge them from the canopy exhaust port above the canopy.
The canopy portion is configured to include a cover body capable of covering at least substantially the entire upper surface of the casing in a plan view, and a peripheral wall body provided in a hanging shape on the outer peripheral portion of the cover body.
The canopy exhaust port is provided at the rear end of the covering body.
The cover body is in a state where the canopy portion positions the cylinder exhaust port in the canopy exhaust port and covers at least substantially the entire upper surface of the casing with the cover body in a plan view. Arranged above the
At least a part of the outer peripheral plate portion forming the outer peripheral surface of the casing and the top plate portion forming the upper surface is formed into a hollow double structure, and the internal space of the double structure is used as a cooling passage.
An outside air intake portion for taking in outside air into the cooling passage and a casing inner communication portion for communicating the cooling passage and the casing inner space which is the space inside the casing are provided.
A cooling air discharge cylinder is provided on the outer peripheral portion of the exhaust pipe so as to have a double cylinder structure with the exhaust pipe.
The lower end of the cooling air discharge cylinder communicates with the space inside the casing.
An outer exhaust port is provided at the upper end of the cooling air exhaust tube with the cylinder exhaust port housed inside.
The canopy exhaust port has a size capable of accommodating the outer exhaust port inside in a plan view, and the length in the front-rear direction is longer than the length in the front-rear direction of the outer exhaust port.
The covering body of the canopy portion is arranged above the cylinder exhaust port in a state where the outer exhaust port is located at the rear end portion in the canopy exhaust port in a plan view.
Below the side end portions of the left and right of the canopy portion, of the gas low range the canopy portion side end portion and the cooling air discharge tube side panels Ru bridged and the side end portion of the can is provided Exhaust hood.

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