JP2000121121A - Range hood - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a range hood which collects soot without fail without diffusing it to indoor side even if a large quantity of soot occurs at a time. SOLUTION: The front board 9 and the side board 10 of a chamber box 14 are provided, respectively, with a front suction port 15 and a side suction port 16 leading to inside, and the topside 15a of the front suction port is inclined to be lower in height as it goes frontward, and the downside 15b of the front suction port is inclined to be higher in height as it goes inward of the suction port, so soot and exhaust gas leaking to the front of a range hood can be inducted and collected by generating a front suction air current.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a range hood for surely discharging waste gas, oily smoke, odor and the like generated during cooking to the outside.

[0002]

2. Description of the Related Art In recent years, with the spread of range hoods, there has been an increasing demand for range hoods having better collecting properties and cleaning properties.

Conventionally, as an example of this type of range hood, one disclosed in Japanese Utility Model Publication No. 6-25786 is known. Hereinafter, the configuration will be described with reference to FIGS. 7 and 8.

As shown in the figure, a guide plate 10 is provided at the lower half of the front opening of a hood main body 101 having a substantially triangular side shape.
2 and a filter 103 is attached between the upper end of the guide plate 102 and the top plate 101a.
A blower unit 104 is built in the interior partitioned by them, and a shield plate 106 that covers the front of the filter 103 from the upper part of the guide plate 102 to the top plate 101a and that forms a predetermined suction gap 105 with the left and right side plates 101b is detachable. It was attached to.

[0005]

In such a conventional range hood, if a small amount of oil smoke hits the shielding plate 106, it is sucked through the left and right side plates 101b and the predetermined suction gap 105, but a large amount of oil smoke at a time. When this occurs, there is no space for storing the oil smoke, so that there is a problem that the oil smoke diffuses into the atmosphere from the front part of the main body 101 or from the left and right without hitting the guide plate 102.

An object of the present invention is to solve the above-mentioned problem, and an object of the present invention is to provide a range hood which can collect a large amount of oil smoke without diffusing into a room even if a large amount of oil smoke is generated at once.

[0007]

According to the present invention, there is provided a range hood having an intake port on a front surface, an exhaust port formed on an upper surface, and a blower provided in the interior to communicate with the intake port and the exhaust port. -Shaped blower unit, a top hood comprising a top plate, a substantially triangular side plate, and a front plate extending downward from the top plate continuously provided in front of the blower unit; and A front plate provided downward from the lower surface of the top plate to the inside, side plates provided on both side surfaces, a lower plate extending rearward from the lower portion of the front plate, and a lower plate are connected to each other so that the height decreases toward the rear. And a chamber box provided with a trapping space formed between the top plate and the top hood, and a front suction port and a side suction port communicating with the inside of the front plate and the side plate. Each The upper surface of the front suction port was formed with a front suction port upper surface inclined so as to decrease in height toward the front, and the lower edge was inclined so as to increase in height toward the inside of the suction port. Form the lower surface of the front suction port,
A filter is provided in the chamber box downstream of the front suction port and the side suction port, for filtering oil smoke sucked from both suction ports.

According to the present invention, it is possible to provide a range hood which collects a large amount of oil smoke without diffusing into the atmosphere even if a large amount of oil smoke is generated at one time.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention has an intake port on a front surface, an exhaust port on an upper surface, and a blower communicating with the intake port and the exhaust port inside. A box-shaped blower unit, a top hood comprising a top plate connected to the front of the blower unit, a substantially triangular side plate, and a front plate extending downward from the top plate; A front plate extending downward from the lower surface of the top plate, side plates provided on both side surfaces, a lower plate extending rearward from a lower portion of the front plate, and a lower plate connected to the lower surface, and the height decreases toward the rear. A chamber box provided by forming a collecting space between the lower surface inclined plate and the inner surface of the top hood, and a front suction port communicating with the inside of the front plate and the side plate. Side suction ports are provided respectively, and The upper surface of the suction port is formed with a front suction port upper surface inclined so as to decrease in height toward the front, and is inclined at the lower edge of the front suction port such that the height increases toward the inside of the suction port. A range hood was formed in which a lower surface of the front suction port was formed, and a filter for filtering oil smoke sucked from both suction ports was provided in the chamber box downstream of the front suction port and the side suction port. As a result, oil smoke and exhaust gas generated in large quantities during cooking rise in the updraft, most are directly sucked into the front intake and side intakes, and some are collected in the collection space between the top hood and the chamber box. After being collected, it is sucked into the chamber box from the front suction port and side suction port, and further, the soot that rises forward from the front suction port and tries to leak out of the top hood is also formed. To be sucked into the chamber box by the airflow flowing into the front suction port and exhausted to the outside from the exhaust port. Can be.

Hereinafter, an embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG.

(Embodiment 1) As shown in FIGS. 1 to 4, an intake port 1 is provided on the front surface, and an exhaust port 2 is formed on the upper surface.
A box-shaped blower unit 4 provided with a blower 3 communicating with the intake port 1 and the exhaust port 2 therein, a top plate 5 connected to the front of the blower unit 4, a substantially triangular side plate 6 and a lower surface of the top plate 5 A top hood 8 composed of a front plate 7 extending downward from the front, a front plate 9 provided downward from the lower surface of the top plate 5 of the top hood 8, and side plates 1 provided on both sides.
0 and a lower surface plate 11 extending rearward from the lower portion of the front plate 9 and a lower surface inclined plate 12 which is connected to the lower surface plate 11 and is inclined so as to become lower in height toward the rear. A chamber box 14 provided with a trapping space 13 formed therebetween; and a front suction port 15 and a side suction port 16 communicating with the inside are provided on a front plate 9 and a side plate 10 of the chamber box 14, respectively. The upper surface of the front suction port 15 is formed so that the upper edge of the front suction port 15 is inclined at an acute angle with respect to the vertical so as to decrease in height as it goes forward, and the height of the lower edge of the front suction port 15 increases toward the inside of the suction port. A front suction port lower surface 15b inclined in parallel with the front suction port upper surface 15a so as to be higher is formed, and suction is performed from both suction ports into the chamber box 14 downstream of the front suction port 15 and the side suction port 16. Filter 1 to filter Mareta oily smoke
7, a switch 18 for controlling the operation of the blower 3 is provided on the front plate 7 of the top hood 8, a lamp 20 for irradiating the cooking table 19 is provided on the lower surface of the blower unit 4, and outside air enters the exhaust port 2. A configuration is provided in which a damper 21 for prevention is provided.

In the above configuration, when the range is operated,
Oil smoke or exhaust gas generated during cooking rises along the lower surface inclined plate 12 due to the rising airflow, and the chamber box 14
And is sucked into the chamber box 14 by the front suction port 15 and the side suction port 16.
A part of the oil smoke and the exhaust gas that escapes to the outside of the chamber box 14 is temporarily retained in the collection space 13 formed between the chamber box 14 and the top hood 8, and then the front suction port 15 and the side suction port. It is sucked into the chamber box 14 from the mouth 16. Further, the oil smoke that rises forward from the front suction port 15 and tends to leak to the outside of the top hood 8 flows vertically from the front suction port 15 along the front suction port upper surface 15a and the front suction port lower surface 15b. On the other hand, the air that is drawn by the front intake air flow 22 having an acute flow direction and is sucked into the chamber box 14 through the filter 17 and filtered by the filter 17 passes through the intake port 1 and is discharged to the exhaust port 2 by the blower 3. After that, it is exhausted outside.

As described above, according to the range hood of the first embodiment of the present invention, lower surface plate 11 of chamber box 14 is provided.
The lower surface inclined plate 12 is continuously provided, and is inclined so that the height becomes lower toward the rear, so that the oil smoke and the exhaust gas rise along the chamber box 14 without diffusing in four directions, and the front inlet 15 In addition, the air is sucked from the side suction port 16 and the collection efficiency is improved. Then, a front plate 9 having a front suction port 15 and a side plate 10 having a side suction port 16 so that a collecting space 13 is formed between the top plate 8 and the top hood 8 provided in front of the blower unit 4. When,
Since the chamber box 14 composed of the lower plate 11 and the lower inclined plate 12 is provided, a large amount of oil smoke and exhaust gas generated during cooking is directly sucked into the front suction port 15 and the side suction port 16, and the outside of the chamber box 14. Oil fumes and exhaust gas to escape are collected in the collection space 13 and then sucked into the front suction port 15 and the side suction port 16. Further, the front suction port upper surface 15a is inclined so as to decrease in height toward the front, and the front suction port lower surface 15b is inclined in parallel with the front suction port upper surface 15a so as to increase in height toward the inside of the suction port. As a result, the front intake air flow 22 flowing in a direction acute to the vertical direction is generated, and the top hood 8 such as the oil smoke vector 23 shown in FIG.
Oil smoke that tends to leak to the front of the range hood is attracted, and oil smoke and exhaust gas can be prevented from diffusing in front of the range hood.

(Embodiment 2) As shown in FIG. 5, the upper surface 16a of the side suction port 16 is provided on the upper edge of the side suction port 16 so as to be inclined so that the height thereof becomes lower toward the outside. The suction port lower surface 16b is provided to be inclined in parallel with the side suction port upper surface 16a so that the height increases toward the inside of the suction port.

In the above structure, the oil smoke generated during cooking and leaking from the side to the outside of the top hood 8 is formed at an acute angle with respect to the vertical direction flowing into the side suction port 16 and the side suction port upper surface 16a and the side suction hole. The chamber box 1 is formed by a side suction flow 24 having a flow direction parallel to the mouth lower surface 16b.
The air which is sucked through the filter 17 through the filter 4 and is filtered by the filter 17 passes through the intake port 1 and is blown by the blower 3.
As a result, the air is exhausted outside through the exhaust port 2.

As described above, according to the range hood of the second embodiment of the present invention, the upper surface 16a of the side suction port is inclined so that the height becomes lower toward the outside, and the lower surface 1a of the side suction port 1 is formed.
6b is inclined so as to increase in height toward the inside of the suction port, so that a side intake airflow 24 flowing in a direction at an acute angle to the vertical direction is generated, and a top surface such as an oil smoke vector 25 shown in FIG. Oil smoke that leaks to the outside of the hood 8 is attracted to prevent the oil smoke and exhaust gas from being diffused outside the range hood.

(Embodiment 3) As shown in FIG. 6, the side plate 10 of the chamber box 14 extends below the lower plate 11 and the lower inclined plate 12, and the front plate 9 is also the lower plate 1.
Extend below 1.

In the above structure, the oil smoke rising airflow 27 generated from above the stove (not shown) rises along the lower surface inclined plate 12 surrounded on both sides by the side plate 10 extending below the lower surface inclined plate 12. , Turning along the lower surface plate 11 in the horizontal direction and colliding with the front plate 9 extending below the lower surface plate 11 of the chamber box 14 to reduce the speed,
The chamber box 14 is stagnated in the chamber box collecting space 26, and is supplied from the front suction port 15 and side suction port 16 to the chamber box 14.
The air that is sucked in through the filter 17 and is filtered by the filter 17 passes through the intake port 1 and is exhausted to the outside through the exhaust port 2 by the blower 3.

As described above, according to the range hood of the third embodiment of the present invention, the side plate 10 of the chamber box 14 is provided.
Is extended below the lower plate 11 and the lower inclined plate 12, and the front plate 9 is also extended below the lower plate 11, so that the oil smoke rising airflow 27 generated from above the stove (not shown) can be sucked into the front inlet. 15 and bottom plate 11 near side suction port 16
The wind speed is reduced by colliding with the front plate 9 extending below the lower surface plate 11 of the chamber box 14, and the wind is reduced. As a result of intake, a large amount of generated oil smoke and exhaust gas can be collected without leaking out of the range hood.

[0020]

As is clear from the above embodiment,
A box-shaped blower unit having an intake port on the front surface, an exhaust port formed on the upper surface, and a blower communicating with the intake port and the exhaust port therein; and a ceiling provided in front of the blower unit. A top hood comprising a plate, a substantially triangular side plate, and a front plate extending downward from the top plate, and a front plate provided downward from the lower surface of the top plate of the top hood, and both side surfaces. A shape in which a side plate provided, a lower plate extending rearward from the lower part of the front plate, and a lower inclined plate connected to the lower plate and inclined so as to decrease in height toward the rear are provided so as to surround the intake port. A chamber box formed and provided with a collection space between the top hood, the front plate and the side plate provided with a front suction port and a side suction port communicating with the inside, respectively, the front suction port Facing forward on the upper edge The lower surface of the front suction port is formed with a front suction port upper surface inclined so as to decrease in height, and the lower surface of the front suction port is formed so as to increase in height toward the inside of the suction port at the lower edge of the front suction port. A filter is provided in the chamber box on the downstream side of the front suction port and the side suction port to filter oil smoke sucked from both suction ports. In particular, they can be collected without spreading forward.

Further, the upper surface of the side suction port is provided at the upper edge of the side suction port so as to be inclined so that the height becomes lower toward the outside, and the lower surface of the side suction port is heightened toward the inside of the suction port. Is inclined so as to increase the height, so that a side intake air flow is generated, so that oil smoke and exhaust gas leaking to the outside of the range hood can be smoothly attracted to further improve the collection efficiency.

Further, since the side plates of the chamber box extend below the lower plate and the lower inclined plate, and the front plate also extends below the lower plate, a large amount of oil smoke and exhaust gas generated are collected in the chamber box. The air stagnates in the space, is sucked from the front suction port and the side suction port, and can be collected without leaking to the outside of the range hood.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a configuration of a range hood according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing the configuration of the range hood.

FIG. 3 is a perspective view showing a state where the range hood is removed from a chamber box.

FIG. 4 is a sectional view showing a front suction port of a chamber box of the range hood.

FIG. 5 is a sectional view showing a side suction port of a chamber box of a range hood according to a second embodiment of the present invention.

FIG. 6 is a perspective view showing a chamber box of a range hood according to Embodiment 3 of the present invention.

FIG. 7 is a sectional view showing a configuration of a conventional range hood.

FIG. 8 is a sectional view of the range hood taken along line AA of FIG. 7;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 intake port 2 exhaust port 3 blower 4 blower unit 5 top plate 6 side plate 7 front plate 8 top hood 9 front plate 10 side plate 11 bottom plate 12 lower surface inclined plate 13 collection space 14 chamber box 15 front suction port 15a front suction port Upper surface 15b Lower surface of front suction port 16 Side surface suction port 16a Upper surface of side suction port 16b Lower surface of side suction port 17 Filter

Claims (3)

[Claims] 1. A box-shaped blower unit having an intake port on a front surface, an exhaust port formed on an upper surface, and a blower communicating with the intake port and the exhaust port therein, and a front side of the blower unit. A top hood comprising a continuous top plate, a substantially triangular side plate, and a front plate extending downward from the top plate, and a top hood that is provided downward from a lower surface of the top plate of the top hood. The intake port is surrounded by a face plate, side plates provided on both side surfaces, a lower surface plate extending rearward from a lower portion of the front plate, and a lower surface inclined plate continuously connected to the lower surface plate and inclined so as to decrease in height toward the rear. A chamber box provided with a trapping space formed between the top plate and the top hood, and the front plate and the side plate are provided with a front suction port and a side suction port communicating with the inside, respectively. ,
An upper surface of the front suction port is formed with a front suction port upper surface inclined so as to decrease in height toward the front, and a height increases toward the lower edge of the front suction port toward the inside of the suction port. A range having a structure in which a lower surface of the front suction port is formed so as to be inclined, and a filter for filtering oil smoke sucked from both suction ports is provided in the chamber box downstream of the front suction port and the side suction port. hood. 2. An upper surface of a side suction port is formed at an upper edge of the side suction port so as to be inclined so as to decrease in height toward the outside, and a lower edge of the side suction port has a height higher toward the inside of the suction port. 2. The range hood according to claim 1, wherein a lower surface of the side suction port is formed so as to be inclined so as to be higher. 3. The range hood according to claim 1, wherein a side plate of the chamber box extends below the lower plate and the lower inclined plate, and a front plate also extends below the lower plate.