JP5079488B2 - Range food - Google Patents

Description

  The present invention sucks and collects polluted air such as gas stove, electric stove, heating cooker such as IH cooking heater, and waste gas, oil smoke, steam (steam), odor, etc. that soars during cooking from outside It is related to the range hood for evacuating, especially, it is constructed by installing a blower unit on a thin hood part that is provided with a baffle plate in a shallow capture space that opens downward and is formed into a thin shape (flat type). It relates to the range hood.

  As a range hood, it has a hood part with a deep capture space that sucks and collects contaminated air, a deep type with a blower installed inside this hood part, and a hood part with a shallow capture space, Various forms such as a thin (flat) type in which a blower unit is installed on or inside the hood are known. This is designed after considering the design that matches various system kitchens.

By the way, a thin type range hood having a shallow capture space (hereinafter referred to as “thin range hood”) has a shallow capture space compared to a deep type range hood having a deep capture space. The efficiency of sucking and collecting polluted air that rises (rises) rises.
In view of this, in the thin range hood, as shown in FIG. 1 of Patent Document 1 and FIG. 4 of Patent Document 2, by providing a current plate in a shallow capture space, each peripheral edge and the capture space around the current plate. Suction gaps are respectively provided between the downward opening edge (the peripheral edge of the opening of the hood). As a result, the contaminated air is sucked and collected in the trapping space by vigorously increasing the flow velocity from each suction gap. In other words, it prevents the leakage of the contaminated air to the outside of the hood, such as the diffusion of the contaminated air toward the kitchen ceiling, thereby improving the suction and collection efficiency.

  Further, as shown in FIG. 1 of Patent Document 1 and FIGS. 1 and 2 of Patent Document 2, the thin range hood is a hood that faces the rear side of the hood portion and the kitchen side (cooker side). Illumination for illuminating the cooking device is provided at a position opposite to the front side of the unit.

Furthermore, the thin range hood has a structure in which the contaminated air is vigorously increased by the suction gaps provided along the peripheral edges of the current plate, and is sucked and collected in the capture space. As shown in FIGS. 1 to 7, the depth of the capture space is deeply formed not only on the front side and the left and right sides of the hood, but also on the rear side. I try to raise it.
This is because the polluted air that rises from the heating cooker or cooking pan toward the range hood due to the rising airflow hits the current plate and flows along the surface of the current plate toward the surrounding suction gap. In addition, the blower unit which does not hit the current plate around the current plate provided with the suction gap but directly hits the concave bottom of the capture space and is opened to the top plate of the hood portion along the concave bottom Flowing in the direction of the contact point.
The contaminated air that strikes the rectifying plate or the bottom of the catching space sometimes disturbs the flow so that it bounces back with momentum. When such a flow turbulence occurs, particularly when it hits the bottom of the capture space, the contaminated air may leak outside the capture space (hood portion).
For this purpose, it is necessary to form a depth from the downward opening edge of the capture space to the bottom of the recess so that the contaminated air does not leak out of the capture space.

Thus, in the conventional thin range hood, as disclosed in Patent Document 1 and Patent Document 2, a rectifying plate for providing a series of suction gaps along the four edges of the hood portion is provided, Then, as disclosed in Patent Document 2, by forming the depth of the entire capture space along the peripheral edges on the current plate provided with each suction gap, the rising airflow Various improvements to improve the suction and collection efficiency by preventing the outside of the hood from leaking out, such as reliably sucking and collecting into the capture space without escaping the polluted air that rises, and diffusing to the kitchen ceiling Has been done.
Japanese Patent Laying-Open No. 2006-170539 (see paragraph numbers 0011 and 0015, and FIGS. 1 and 4) Japanese Patent Laying-Open No. 2005-98618 (see paragraph numbers 0020 to 0022, 0030 and FIGS. 1, 4, and 5)

By the way, as described above, in the improved thin range hood, the cooking pot, the gas port on which the cooking pan is placed, the contaminated air generated from the heating section such as the heater, as well as the heating section has two or three openings. Contaminated air that rises from a grill (roaster) provided with a smoke exhaust port on the rear side of the top plate that is arranged in the above manner can be sucked and collected effectively.
That is, the depth of the capture space located on the rear side of the hood portion is deepened, and further, the intervals between the suction gaps provided between the downward rear edge of the capture space and the rear edge of the current plate are widened. For example, the contaminated air rising from the grill can be sucked and collected effectively.

However, as shown in FIG. 1 of Patent Document 2, by increasing the depth of the capture space, the mounting position of the illumination is changed to the downward opening of the hood portion shown in FIG. As a result, it is located on the inner side (top plate side) of the hood part than the surrounding edges of the capture space, and there remains a problem that the surroundings including the heating cooker cannot be illuminated uniformly.
In particular, the problem that it was not possible to illuminate the inner bottom of the cooking pan placed on the heating unit located on the kitchen plate (cooker) and placed on the top plate remained.
Therefore, the size of the front and rear width of the rectifying plate in the front and rear direction of the hood portion was reduced, and the rear edge portion side of the rectifying plate was shifted to the front side of the hood portion so as not to obstruct the lighting that illuminates the cooking device. However, the interval between the rear suction gap provided between the downward rear edge of the capture space and the rear edge of the current plate is along the front edge of the hood (kitchen side) and the left and right sides. A new problem arises that the distance between the front suction port and the suction holes on both sides is larger than that of the front suction port and the suction holes on both sides, and the amount of contaminated air sucked from the front suction gap and the suction ports on both sides is excessive.

  Therefore, the present invention was devised in order to solve the above-described problems, and the interval between the rear suction gaps provided between the rear edge of the current plate and the downward rear edge of the capture space is widened. In the state where the depth of the rear side of the capture space located in the rear suction gap is maintained, the contaminated air from each suction gap provided inside the hood portion along the four edges on the front, rear, left and right sides The air flow control unit that can control the suction balance of the suction amount of the air and the suction amount from the front suction gap on the front side of the hood part more than the rear suction gap and other side suction gaps of the other three edges It is to provide a range hood equipped with.

In order to solve the above problems, the present invention includes a hood having a capture space opened downward, and a blower unit that generates a suction force for sucking and collecting contaminated air in the capture space, And the range hood which arrange | positions a baffle plate in the said capture space, and is equipped with the said air intake clearance gap between each surrounding edge part of this baffle plate and the downward opening edge part of the said capture space, ,
The interval between the suction gaps provided between the downward rear edge of the capture space located on the rear side of the hood portion and the rear edge of the rectifying plate is defined as the capture space located on the front side of the hood portion. Wider than the interval of each suction gap provided between the downward front edge and the front edge of the current plate, the depth of the capture space located on the rear side of the hood portion is increased, and the current plate An airflow control unit is provided between the hood unit and the top plate of the hood unit in which a communication port communicating with the blower unit is opened, and the airflow control unit is provided from the rear side of the hood unit excluding the front side of the hood unit. It is formed in the protrusion shape which cross | intersects with respect to the flow direction of the said contaminated air which flows toward the direction of the said connection port in both right and left sides.
Here, the airflow control unit is formed in a convex shape facing the back surface direction of the rectifying plate, and is open on both the left and right sides of the hood part, and is open toward the front side of the hood part. It is preferable that the protruding height on the side is formed so as to gradually decrease toward the front side of the hood portion.
In addition, the airflow control unit is preferably provided in a hood panel that is provided inside the hood unit and forms the capture space.

According to such a configuration, polluted air such as hot smoke and oily smoke has a vigorous flow velocity from the suction gaps provided along the peripheral edges of the current plate to the capture space by the suction force of the blower unit. It is sucked in and collected.
Then, out of the contaminated air that has been vigorously sucked and collected between the current plate and the top plate (hood panel) of the hood, from the front suction gap located on the front side of the hood without the airflow control unit The contaminated air that has been sucked and collected flows in the direction of the communication port with the blower unit that is opened in the top plate of the hood without receiving airflow resistance (airflow friction).
The polluted air that has been sucked and collected in the capture space from the rear suction gap located on the rear side of the hood portion and the both side suction gaps located on the left and right sides of the hood portion that is provided with a protruding airflow control unit is airflow control. It flows in the direction of the connection port while receiving contact resistance (friction) of the airflow that is suppressed by contact with the part.
At this time, the rear suction gap located on the rear side of the hood portion is wide, and the rear capture space is formed deep so that the volume of the capture space located in the rear suction gap is large. Therefore, it becomes possible to suck and collect a lot of polluted air that rises (rises) behind the hood. Thereby, it can prevent effectively that contaminated air leaks from the rear side of a food | hood part.
At this time, a part of the contaminated air sucked and collected in the capture space from the rear suction gap and the both side suction gaps is subjected to airflow resistance at the rear side of the hood part and the right and left sides closer to the rear side. It flows to wrap around the front side of the hood part on both the left and right sides. That is, the projecting height of the airflow control unit is formed to be gradually lower toward the open end than the rear side of the hood part and the left and right sides closer to the rear side. It flows to wrap around.
Thereby, the space | interval of the rear side suction gap provided between the rear edge part of the baffle plate and the downward rear edge part of the capture space on the rear side of the hood part is widened, and the capture space located in the rear side suction gap While maintaining the depth of the rear side, the amount of contaminated air sucked from the rear suction gap toward the connection port can be reduced, while the contaminated air from the front suction gap that does not receive contact resistance Can be increased.

  In addition, the airflow control unit is provided on a hood panel attached to the inside of the hood unit, so that the airflow control unit is connected to the top plate of the hood unit in which a communication port for communicating the rectifying plate and the blower unit is opened. It can be positioned between the current plate and fixed (arranged).

The range hood of the present invention is configured as described above, so that the rear side provided between the rear edge of the current plate located on the rear side of the hood and the downward rear edge of the capture space. The suction gap is kept wide so as not to obstruct the lighting that illuminates the cooking device, and the flow is disturbed so that the polluted air bounces off due to the momentum and leaks outside the capture space (outside the hood). While maintaining a deep depth at the rear of the capture space, the amount of contaminated air sucked in from the rear suction gap toward the communication port can be reduced, while the contact resistance of the airflow It is possible to increase the amount of contaminated air sucked from the front suction gap that is not subject to the direction of the communication port.
In this way, the balance of the intake of contaminated air from each suction gap provided between each peripheral edge of the current plate and the downward opening edge of the capture space is controlled by a simple configuration including an airflow control unit. Is possible.
Therefore, waste gas generated from the gas port located on the front side (cooker's side) of the top plate, which is used frequently, and contaminated air such as oil and steam generated from the cooking pan from the front suction gap to the capture space It is possible to efficiently suck and collect, and to effectively suck and collect contaminated air rising from a grill (roaster) provided with a smoke exhaust port on the rear side of the top plate.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings as appropriate.
FIG. 1 is a longitudinal side view showing a thin range hood of the present invention provided with an airflow control unit according to the present embodiment, FIG. 2 is a longitudinal front view of the thin range hood, and FIG. It is a bottom view of the said thin range hood shown in the state which removed.
The range hood includes a wall-mounted type and a ceiling-mounted type (so-called island). In the present embodiment, a ceiling-mounted type thin range hood will be described as an example.
In the present embodiment, in FIG. 1, the left side of the paper with respect to the open counter B indicates the kitchen K side, and the right side of the paper indicates the dining D side.
Further, in the direction of the thin range hood A, the kitchen K side (cooker side) shown in FIG. 1 is the front side of the hood portion 1, the dining D side is the rear side of the hood portion 1, and in FIG. The right side of the paper surface is the right side of the hood portion 1, and the left side of the paper surface is the left side of the hood portion 1.

≪Configuration of thin range hood≫
The thin range hood A is installed almost directly above the heating cooker B, and sucks and collects polluted air G such as oily smoke and steam (steam) generated during cooking, and exhausts it outside through the exhaust duct 3. It is configured.
As shown in FIGS. 1 and 2, the thin range hood A is configured by mounting a blower unit 2 on a flat (thin) hood portion 1.

≪Food part composition≫
As shown in FIG. 1, the hood portion 1 is formed in a flat box shape having a capture space M that opens in a downward concave shape.
Moreover, the food | hood part 1 is provided with the connection port 4 in the top plate 1a as shown in FIG. 1 and FIG.
The connection port 4 is inserted through the connection port member 5 that directly connects the capture space M of the hood 1 and the suction port of the fan casing, which will be described later, from the inside of the top plate 1a to the outside (on the top plate 1a). It is formed in the front side rather than the center site | part of the top plate 1a so that it can be made.
Incidentally, the connection port member 5 is formed by drawing bending with a press or the like.

Further, as shown in FIGS. 1 and 2, the hood portion 1 includes a hood panel 6 so as to partition the communication port 4 side and the downward opening side, and the hood panel 6 includes a rectifying plate 7.
Thereby, inside the hood part 1, the capture space M opened in the recessed shape which has the downward opening edge parts 1-1 to 1-3 along the four sides of the front, rear, right and left sides of the hood part 1 is formed. The suction gaps S-1 to S-3 are formed between the downward opening edges 1-1 to 1-3 of the capture space M and the peripheral edges around the rectifying plate 7.
That is, as shown in FIG. 3, the suction gaps S-1 to S-3 for sucking and collecting the contaminated air G in the capture space M with a rapid increase in the flow rate are formed in a series.

≪Food panel configuration≫
FIG. 4 is a perspective view when a hood panel including an airflow control unit is looked up from an obliquely rear lower side. Here, description will be made with reference to FIGS. 1 and 2 as appropriate.
The hood panel 6 is formed with an opening shape substantially the same as the opening shape of the lower surface of the hood portion 1 by drawing bending with a press or the like. As shown in FIGS. 1 and 2, the hood panel 6 includes a fastening edge portion 6-1 that is bent upward.
Thereby, it attaches to the downward opening edge of both front, back, left, and right sides of the hood part 1 by spot welding or screwing.

Further, the hood panel 6 leaves the downward opening edge portions 1-1 to 1-3 of the capture space M so as to be continuous in the circumferential direction between the surrounding fastening edge portion 6-1 and this downward opening edge portion. A concave portion 6-2 for forming a capture space M bulged with a wide opening area and a predetermined depth so as to narrow down from the inside of 1-1 to 1-3 is provided.
As shown in FIG. 1, the recessed bottom 6-2 a of the recessed portion 6-2 is gently inclined from the front side to the rear side of the hood portion 1, and the opening lower end side of the connection port member 5 is fitted. A connection port 8 for connecting together is bent upward. As shown in FIGS. 3 and 4, the connection port 8 is formed in a substantially regular square shape when viewed from the bottom.

  In addition, as shown in FIG. 1, the hood panel 6 includes a lamp mounting portion 11 at a rear position of the hood portion 1 in the recessed bottom 6-2a of the recessed portion 6-2. As shown in FIGS. 3 and 4, the lamp mounting portion 11 is opened long in the width direction between the left and right sides of the hood panel 6 and accommodates the illumination 12.

<Composition of current plate>
The rectifying plate 7 is formed in a flat plate shape that is slightly smaller than the opening shape (opening area) of the downward opening peripheral edge portions 1-1 to 1-3 of the capture space M of the hood portion 1. The rectifying plate 7 is supported by left and right support members 9 provided in the capture space M on the rear side of the hood portion 1 so that the rear side is rotatable and can be appropriately attached and detached. The front side is detachably supported by the left and right engaging / disengaging members 10 provided in the capture space M in FIG.
Accordingly, when dirt such as oil and fat adhering to the recessed portion 6-2 of the connection port member 5 and the hood panel 6 is wiped off, and dirt such as oil and fat adhering to the bell mouth 24 and the current plate 8 described later is wiped off. At this time, the current plate 7 is rotated downward toward the rear side of the hood portion 1 to open the capture space M. Alternatively, the rectifying plate 7 itself can be removed when the bell mouth 24 and the rectifying plate 7 are washed in a sink or the like.

≪Configuration of support member≫
As shown in FIG. 1, the left and right support members 9 are attached to the recessed bottom 6-2a side of the hood panel 6 in a substantially U-shape, and can be rotated to the hooking portion 9a. And a hook portion 9b attached to the back surface side (upper surface side) of the rectifying plate 7 so that it can be appropriately attached and detached.

≪Configuration of engagement / disengagement member≫
FIG. 5 is a perspective view and a front view showing the engaging / disengaging member.
As shown in FIG. 5, the left and right engaging / disengaging members 10 are engaged with a movable pin 10a urged by a compression spring 13 attached to a recessed bottom 6-2a of the hood panel 6 and a relationship intersecting the movable pin 10a. A locking body 10b having a pin locking hole 14 attached to the back surface side of the rectifying plate 7 so as to be freely detachable is configured.

The movable pin 10a is provided in a spring housing 16 attached to the recessed bottom 6-2a of the hood panel 6 via an L-shaped bracket 15 so as to be movable forward and backward, and is advanced by a compression spring 13 housed in the spring housing 16. (Refer to (a) of FIG. 4), and is retracted (pushed) into the spring accommodating body 16 against the compression spring 13 (see (b) of FIG. 4).
As shown in FIG. 5, the movable pin 10 a is formed by a head portion 17 having a slightly larger outer diameter and a shaft portion 18 that is incorporated into the spring accommodating body 16 so as to be movable forward and backward.

As shown in FIG. 5, the locking body 10 b includes a tongue piece 19 that is inclined outward in order to retract the head 17 of the movable pin 10 a against the compression spring 13.
Moreover, the latching body 10b is provided with the pin latching hole 14 for latching the movable pin 10a removably. The pin locking hole 14 has an opening 14a having a diameter larger than that of the head 17 of the movable pin 10a at the central portion of the locking body 10b, and a shaft portion of the movable pin 10a communicating with the upper side of the opening 14a. 17 is formed in a substantially dharma hole shape from the bearing portion 14b for receiving the bearing 17.

≪Blower unit configuration≫
Here, a description will be given with reference to FIGS. 1 and 2.
As shown in FIGS. 1 and 2, the blower unit 2 includes an exhaust box 2a and an exhaust device 2b installed horizontally (horizontally) in the exhaust box 2a.

≪Exhaust box configuration≫
As shown in FIGS. 1 and 2, the exhaust box 2 a is formed in a substantially square shape in a cross-sectional view with the lower surface opened so that the exhaust device 2 b can be installed horizontally. The exhaust box 2a is attached to the top plate 1a by screws or the like.

≪Exhaust system configuration≫
As shown in FIGS. 1 and 2, the exhaust device 2 b includes a fan casing 20 and an exhaust fan (centrifugal fan or multiblade fan) that is axially supported by the fan motor 21 and accommodated coaxially in the fan casing 20. Etc.) 22.

≪Fan casing configuration≫
The fan casing 20 is formed in a volute shape. And this fan casing 20 is provided with the connection port 23 for connecting the opening upper end side of the connection port member 5, and it positions it on the opening axial core line of this connection port 23, and the fan motor 21 is attached by screwing etc. It is like that.
As shown in FIGS. 1 and 2, the fan casing 20 formed in this way is connected to the opening upper end side of the connection port member 5 so as to be sandwiched by the bell mouth 24 attached to the connection port 23 by screwing or the like. At the same time, it is installed in the exhaust box 2 a so as to be connected to the exhaust duct 3 via the connection cylinder 25.

  And the thin range hood A of this embodiment is between the top plate 1a of the food | hood part 1 in which the communication port 4 connected to the baffle plate 7 and the air blower unit 2 is opened as shown in FIG.1 and FIG.2. The airflow control unit 26 is provided.

≪Configuration of airflow control unit≫
Here, it demonstrates, referring FIGS. 1-4.
The airflow control unit 26 is provided integrally with the hood panel 6 when the hood panel 6 is formed by press working. As shown in FIGS. 1 to 3, the air flow control unit 26 is provided with a suction port 27 of the fan casing 20 via the connection port member 5 from the rear side of the hood unit 1 to the left and right sides except the front side of the hood unit 1. It is formed in a protruding shape that intersects the direction of the contaminated air G that flows in the direction of the connection port 8 of the hood panel 6 that is directly connected to the hood panel 6.
That is, as shown in FIGS. 3 and 4, the airflow control unit 26 is substantially in a bottom view along the connection port 8 in a protruding shape from the recessed bottom 6-2 a of the hood panel 6 toward the back surface of the rectifying plate 7. It is formed in a U shape.

As shown in FIGS. 1 and 2, the airflow control unit 26 has a slanted slope whose slope is located on the side of the rear suction gap S-2 and the both side suction gap S-3, and a hood panel. 6 is formed in a convex shape having a slope located on the side of the connection port 8 (suction port 27) as a steep slope, that is, a so-called cross-sectional right-angled triangular shape.
Further, as shown in FIGS. 1, 3, and 4, the airflow control unit 26 projects on the left and right sides of the hood portion 1 toward the front side of the hood portion 1 and on the left and right open end portions 26 a side. The (protruding shape) is formed so as to gradually decrease toward the front side of the hood portion 1, and the protruding width is formed in a tapered shape that gradually decreases toward the front side of the hood portion 1.
Accordingly, a part of the contaminated air G sucked and collected in the capture space M from the rear suction gap S-2 and the both side suction gaps S-3 is subjected to airflow resistance due to contact with the airflow control unit 26. It flows so as to wrap around to the open end portions 26a on both the left and right sides.

[Description of operation]
Next, the operation of the thin range hood A according to the present embodiment including the airflow control unit 26 configured as described above will be briefly described. Here, description will be made with reference to FIGS. 1 and 2 as appropriate.
As shown in FIG. 1 and FIG. 2, a gas port (not shown), a cooking pan C placed on the gas port, and a grill (roaster) (not shown) provided with a smoke outlet 28 on the rear side of the top plate b. Contaminated air G, G1 that soars (rises) is provided along the peripheral edges of the rectifying plate 7 by the suction force of the exhaust fan 22, and the suction gaps S-1 on both the front, rear, left, and right sides are provided. From S-3, it is sucked and collected in the capture space M by vigorously increasing the flow velocity.
Then, among the contaminated air G and G1 that have been sucked and collected vigorously between the rectifying plate 7 and the hood panel 6, the front suction gap S located on the front side of the hood portion 1 where the airflow control unit 26 is not provided. The contaminated air G and G1 sucked and collected from -1 is not subjected to airflow resistance (airflow friction), and passes through the connection port member 5 from the connection port 8 of the hood panel 6 to the suction port 27 of the blower unit 2. It flows in the direction.
The air flow control unit 26 is sucked and collected in the capture space M from the rear suction gap S-2 and the both suction gaps S-3 located on the rear side and the left and right sides of the hood part 1 provided in a protruding shape. As shown in FIGS. 1 and 2, the contaminated air G and G <b> 1 comes into contact with the airflow control unit 26 and is prevented from flowing in the direction of the suction port 27. That is, when the polluted air G, G1 comes into contact with the airflow control unit 26 that becomes an obstacle to the flow and the flow direction meanders toward the back surface of the rectifying plate 7, the contact resistance that reduces the suction flow velocity. It flows in the direction of the suction port 27 while receiving it.
As a result, the interval L2 of the rear suction gap S-2 provided on the rear side of the hood portion 1 is set to the front suction gap S-1 provided on the front side of the hood portion 1 and on the other three edges on the left and right sides, and It is wider than the intervals L1 and L3 of the suction suction gaps S-3 on both sides. The state is maintained at a depth L4 on the rear side of the capture space M located behind (above) the rear suction gap S-2, more specifically, the contaminated air G and G1 is the bottom surface of the capture space M (recessed bottom 6- In a state where the depth L4 is maintained at the rear side of the capture space M, the flow is disturbed so as to rebound when it comes into contact with 2a) vigorously and does not leak to the outside of the capture space M (outside of the hood portion 1). The amount of the contaminated air G and G1 sucked in from the rear suction gap S-2 toward the suction port 27 can be suppressed, and on the other hand, from the front suction gap S-1 that does not receive the contact resistance of the airflow. The amount of the contaminated air G and G1 sucked in the direction of the suction port 27 can be increased.
That is, from each suction clearance S-1 to S-3 provided between each peripheral edge of the current plate 7 and the downward opening edges 1-1 to 1-3 of the capture space M in the direction of the suction port 27. The air flow control unit is arranged between the rectifying plate 7 and the hood panel 6 arranged in the capture space M and before the connection port 8 opened in the hood panel 6 for the intake balance of the contaminated air G and G1 flowing toward It becomes possible to control by providing 6.

The specific configuration of the embodiment of the present invention is not limited to the above-described embodiment, and there are design changes and the like without departing from the gist of the present invention described in claims 1 to 3. Are also included in the present invention.
For example, the airflow control unit 26 can be formed in a convex shape from the back surface of the rectifying plate 7 toward the concave bottom 6-2a of the hood panel 6. In this case, the airflow control unit 26 can be provided integrally with the rectifying plate 7 when forming the rectifying plate 7, but is formed separately from the rectifying plate 7 and rectified by spot welding, screwing, or the like. It is preferable to attach the plate 7 to the back surface.
Moreover, the convex shape of the airflow control unit 26 can be formed in a substantially isosceles triangle shape, a longitudinal section in a substantially block shape, a substantially U-shape or a substantially fan shape. Further, the airflow control unit 26 can be formed in a protruding piece shape along the connection port 8 of the hood panel 6 toward the back surface of the rectifying plate 7.

Further, the bell mouth 24 forming the suction port 27 can be provided integrally on the upper end side of the connection port member 5.
Thereby, improvement of assemblability such as connecting the connection port 8 of the hood panel 6 and the connection port 23 of the fan casing 22 can be expected.

  Moreover, as a form of the range hood A, for example, the hood portion 1 and the blower unit 2 are separated, and a connection port member 5 formed like an exhaust duct, that is, a so-called connection port duct is used. The connection port 8 can be connected to the exhaust box 2a of the blower unit 2 installed on the kitchen ceiling or the like, or the connection port 5 of the fan casing 20 can be connected.

It is a vertical side view which shows the thin range hood of this invention provided with the airflow control part which concerns on this embodiment. It is a vertical front view of the thin range hood. It is a bottom view of the same thin range hood shown with the current plate removed. It is a perspective view when a hood panel provided with an airflow control part is looked up from diagonally backward lower side. The engagement / disengagement member which supports the front side of a baffle plate so that engagement / disengagement is possible is shown, (a) is a perspective view, (b) is a front view which shows a latching body longitudinally.

Explanation of symbols

A Thin range hood 1 Hood 1a Top plate 1-1 to 1-3 Downward opening edge 2 Blower unit 2a Exhaust box 2b Exhaust device 3 Exhaust duct 4 Connection port 5 Connection port member 6 Hood panel 6-2 Recessed portion 6- 2a Concave bottom 7 Current plate 8, 23 Connection port 26 Air flow control unit 26a Open end 27 Suction port S-1 Front suction gap S-2 Rear suction gap S-3 Both sides suction gap M Capture space G, G1 Contaminated air

Claims (3)

A hood having a capture space opened downward;
A blower unit that generates a suction force for sucking and collecting contaminated air in the capture space, and
And the range hood which arrange | positions a baffle plate in the said capture space, and is equipped with the said air intake clearance gap between each surrounding edge part of this baffle plate and the downward opening edge part of the said capture space, ,
The interval between the suction gaps provided between the downward rear edge of the capture space located on the rear side of the hood portion and the rear edge of the rectifying plate is defined as the capture space located on the front side of the hood portion. Wider than the interval of each suction gap provided between the downward front edge and the front edge of the current plate, the depth of the capture space located on the rear side of the hood is increased,
An airflow control unit is provided between the rectifying plate and the top plate of the hood part in which a communication port communicating with the blower unit is opened.
The airflow control unit is formed in a protruding shape that intersects the direction of the contaminated air flowing toward the communication port on the left and right sides from the rear side of the hood unit, excluding the front side of the hood unit. A range hood characterized by The airflow control unit is formed in a convex shape toward the back surface direction of the rectifying plate,
And the protruding heights on the open end portions on both the left and right sides that open toward the front side of the hood portion on both the left and right sides of the hood portion are formed gradually lower toward the front side of the hood portion. The range hood according to claim 1.   The range hood according to claim 1 or 2, wherein the air flow control unit is provided in a hood panel provided inside the hood unit to form the capture space.

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