JP2007232369A - Range hood - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a range hood always allowing ventilation with a slide hood stored in a fixed hood. <P>SOLUTION: The range hood is provided with: a fixed hood 6 arranged by communicating with an inlet 1 of an exhaust unit 4 having an exhaust fan 3 arranged inside; and a slide hood 7 arranged slidably from the front surface of the fixed hood 6, and is structured such that the slide hood 7 and a stream lining part 9 provided for it, are arranged to be movable forward and backward from the fixed hood 6 and the inside of a stream lining part 9 provided for it, and that air to be exhausted is sucked into the exhaust unit 4 from the stream lining part 9 side provided for the fixed hood 6 in storing the slide hood 7 to always execute ventilation. The ventilation is thereby always executed with the range hood arranged neatly. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a range hood which is provided with a slide hood in a fixed hood so as to exhaust oil smoke rising from the range and which can be always ventilated.

  Conventionally, this type of range hood is known in which a movable frame is movably provided on a fixed frame (see, for example, Patent Document 1).

  Hereinafter, the range hood will be described with reference to FIG.

As shown in the figure, an airtight housing 103 containing a blower unit 102 is connected to and integrated with an upper surface of a flat type hood main body 101, and the hood main body 101 is expanded and contracted by a fixed frame 104 and a movable frame 105 having a hollow structure. When the movable frame 105 is pulled out, it is in communication with the fixed frame 104. When the movable frame 105 is stored in the fixed frame 104, the lower position of the communication hole 107 communicating with the suction side 106 of the blower unit 102 is covered. So that it is stored.
Japanese Utility Model Publication No. 64-5035 (Microfilm of Japanese Utility Model Application No. 62-97218 (pages 3-6, Fig. 1))

  In such a conventional range hood, when the movable frame 105 provided movably on the fixed frame 104 is stored, the lower position of the communication hole 107 communicating with the suction side 106 of the blower unit 102 is covered by the movable frame 105. When the movable frame 105 is housed, there is a problem that ventilation is not possible, and even when the movable frame 105 is housed in the fixed frame 104, it is required to ventilate and always allow ventilation based on the Building Standard Law. Has been.

  The present invention solves such a conventional problem, and an object of the present invention is to provide a range hood capable of continuous ventilation with a slide hood housed in a fixed hood.

  In order to achieve the above object, the range hood of the present invention includes an exhaust unit having an intake port and an exhaust port and provided with an exhaust blower inside, a fixed hood provided in communication with the intake port of the exhaust unit, A slide hood that communicates with the fixed hood and is slidable from the front surface of the fixed hood, and forms the collection promoting portion on the suction surface of the fixed hood and the slide hood, and the slide hood is fixed When stored in the hood, the air intake port of the exhaust unit is not closed and ventilation is possible at all times.

  By this means, it is possible to obtain a range hood that can collect oil smoke rising from the range over a wide range and can always ventilate.

  Another means is that the rectifying unit is arranged as a collection promoting unit so that a slit that increases the wind speed is formed in the inner periphery of the fixed hood and the slide hood.

  By this means, a range hood capable of efficiently collecting oil smoke rising and expanding from the range is obtained.

  Another means is that a gap is formed on the inner surface of the fixed hood so that the slide hood does not come in contact, and a blocking projection having a shape for blocking the air flow in the gap is provided near the rear end of the slide hood. It is what.

  By this means, a range hood that allows the slide hood to be slid lightly is obtained.

  Another means is that a filter having a large aperture ratio is provided as a collection promoting portion on the inner peripheral portion of the fixed hood and the slide hood, and a filter having a small aperture ratio is provided inside the filter having the large aperture ratio. is there.

  By this means, a range hood with a high collection efficiency of oil smoke on the filter side having a large aperture ratio can be obtained.

  Another means is that a filter is disposed on the suction side of the fixed hood and the slide hood.

  By this means, a range hood capable of collecting the oil contained in the oil smoke is obtained.

  ADVANTAGE OF THE INVENTION According to this invention, while being able to collect the oil smoke which rises from a range in a wide range, the range hood which can be always ventilated can be provided.

  Moreover, the range hood which can collect efficiently the oil smoke which rises from a range and spreads can be provided.

  In addition, it is possible to provide a range hood that can slide the slide hood lightly.

  Moreover, the range hood with high collection efficiency of the oil smoke in the filter side with a large aperture ratio can be provided.

  A range hood according to claim 1 of the present invention includes an exhaust unit having an intake port and an exhaust port and provided with an exhaust blower therein, a fixed hood provided in communication with the intake port of the exhaust unit, and the fixed hood And a slide hood that is slidably provided from the front surface of the fixed hood, and a flat rectifying portion that increases the wind speed at the inner peripheral portion is provided on each suction surface of the fixed hood and the slide hood. The slide hood and its rectification unit are provided so as to be freely inserted and removed from the inside of the fixed hood and its rectification unit, and the rectification unit is provided with air to be exhausted when the slide hood is stored in the fixed hood. It is constructed so as to be continuously ventilated by being sucked into the exhaust unit from the side. Pull out the slide hood from the hood and increase the suction range on the lower surface of the range hood to efficiently collect and exhaust oil smoke, and when the slide hood is stored in the fixed hood, the air to be exhausted It becomes possible to perform continuous ventilation by sucking into the exhaust unit from the rectifying unit side provided on the fixed hood, eliminating the need to install a ventilation fan for constant ventilation separately from the range hood, and the slide hood and its rectification Since the section is housed inside the fixed hood and its rectifying section, it has the effect that continuous ventilation that is continued for a long time can be operated while the range hood is clean.

  The range hood according to claim 2 of the present invention is the one according to claim 1, in which the fixed hood and the slide hood are formed in a thin rectangular parallelepiped shape, and the fixed hood and the slide hood are usually arranged in parallel. It has the same shape as the rectangular parallelepiped shape of the hanging cupboard, and has the effect that the kitchen is harmonized and the interior property is excellent both when the slide hood is pulled out and stored.

  The range hood according to claim 3 of the present invention is the one according to claim 2, wherein a gap is formed so that the slide hood does not contact the inner surface of the fixed hood, and the air flow in the gap is blocked. The blocking projection is erected in the vicinity of the rear end of the slide hood. When the slide hood is slid, the blocking projection provided near the rear end of the slide hood is in contact with the inner surface of the fixed hood. Because it slides, the fixed hood is in a line contact state and can be slid lightly and cut off compared to the surface contact state where the entire slide hood is in contact with the inner surface of the fixed hood. The air flowing into the fixed hood through the gap is blocked by the protrusion, and the fixed hood and slide hood are thin rectangular parallelepiped shapes. Therefore, the gap can be formed small and uniformly, and the blocking effect of the blocking projection becomes stable, and the ventilation volume of the exhaust fan becomes the total volume of air sucked from the lower surface side of the fixed hood and slide hood, and the ventilation efficiency is improved. It has the effect | action that it can prevent that it falls.

  The range hood of the first aspect of the invention has an exhaust unit having an intake port and an exhaust port and provided with an exhaust fan inside, a fixed hood provided in communication with the intake port of the exhaust unit, and communicated with the fixed hood. And a slide hood that is slidable from the front surface of the fixed hood, and forming a collection promoting portion on the suction surface of the fixed hood and the slide hood, while the slide hood is stored in the fixed hood. The exhaust unit's intake port is not closed and ventilation is always possible. When exhausting the smoke rising from the range, pull out the slide hood from the fixed hood to reduce the suction range on the lower surface of the range hood. It can be enlarged to efficiently collect and exhaust oil smoke, and when the slide hood is stored in the fixed hood Since the intake port of the exhaust unit is open, it is possible to perform continuous ventilation by operating the exhaust blower in the exhaust unit, and there is no need to install a ventilation fan for continuous ventilation separately from the range hood. Have

  The range hood of the second aspect of the invention is the one according to the first aspect of the invention, in which a rectifying portion is arranged so that a slit that increases the wind speed is formed in the inner peripheral portion of the fixed hood and the slide hood. Even if the rising oil smoke collides with the flow straightening section and spreads to the surroundings due to the high wind speed of the slit formed in the inner periphery of the fixed hood and slide hood, the oil smoke is collected in the slit with high wind speed. Thus, there is no oil smoke leaking out of the fixed hood and slide hood, and the effect of increasing the collection efficiency of oil smoke is obtained.

  The range hood of the third invention is the cut-off projection formed in the first invention, wherein a gap is formed so that the slide hood does not contact the inner surface of the fixed hood, and the air flow in the gap is blocked. When the slide hood is slid, the blocking projection provided near the rear end of the slide hood slides while contacting the inner surface of the fixed hood. Therefore, the fixed hood is in a line contact state, and the slide hood can be slid lightly compared to the surface contact state where the entire slide hood is in contact with the inner surface of the fixed hood. The air flowing into the fixed hood is blocked, and the air flow of the exhaust blower is entirely taken from the lower side of the fixed hood and slide hood. Becomes amount, such an action can be prevented from being deteriorated in ventilation efficiency.

  Further, the range hood of the fourth aspect of the present invention is the first aspect of the invention, wherein a filter having a large aperture ratio is provided as a collection promoting portion on the inner peripheral portion of the fixed hood and the slide hood, A filter with a small aperture ratio is provided on the inside. A filter with a large aperture ratio facilitates ventilation and a large amount of air flows.A filter with a small aperture ratio reduces the ventilation rate. Most of the rising smoke will be sucked in through a filter with a large opening ratio where a large amount of air is sucked in, and it is possible to prevent leaking of the smoke that tries to flow outside the fixed hood and slide hood, which is efficient. It has an effect that oily smoke can be collected and exhausted.

  In addition, the range hood of the fifth aspect of the present invention is the one according to the first aspect of the present invention, in which a filter is disposed on the suction side of the fixed hood and the slide hood, and oil droplets contained in the oil smoke rising from the range are applied to the filter. It has the effect of adhering and collecting oil.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIGS. 1 to 3, a fixed hood 6 is provided via a communication opening 5 that has an intake port 1 and an exhaust port 2 and communicates with an intake port 1 of an exhaust unit 4 having an exhaust blower 3 therein. The slide hood 7 communicated with the fixed hood 6 and slidably provided from the front surface of the fixed hood 6 is provided. When the slide hood 7 is stored in the fixed hood 6, the intake port 1 of the exhaust unit 4 is not closed. Flat plate rectification is provided so that ventilation is possible at all times, and a slit 8 that increases the wind speed is formed in the inner periphery of the fixed hood 6 and the slide hood 7 as a collection promoting portion that improves the collection performance of oil smoke. A portion 9 is provided.

  Further, a gap 10 is formed so that the slide hood 7 does not come into contact with the inside of the fixed hood 6, and a blocking projection 11 having a shape that blocks air from flowing through the gap 10 is provided near the rear end of the slide hood 7. Stand up and configure.

  In the above configuration, when oil smoke rising from the range (not shown) is discharged, the inside of the exhaust unit 4 with the slide hood 7 slidably provided on the fixed hood 6 of the range hood installed above the range being pulled forward. When the exhaust blower 3 provided in the operation is operated, the smoke rising from the range is sucked by being guided by the rectifying unit 9 into the fixed hood and the slit 8 formed so that the wind speed is increased in the inner peripheral portion of the slide 7, and the slide The oil smoke sucked from the slit 8 of the hood 7 is sent into the communicating fixed hood 6, and together with the oil smoke sucked from the slit 8 of the fixed hood 6, through the communication opening 5 of the fixed hood 6 through the intake port 1. Then, the operation by the range hood which enters the exhaust unit 4 and is exhausted to the outside by the exhaust blower 3 through the exhaust port 2 is performed.

  Next, when the slide hood 7 is housed in the fixed hood 6, the intake port 1 provided in the exhaust unit 4 is not closed by the slide hood 7, so that it is sucked from the slit 8 provided in the inner peripheral portion of the fixed hood 6. Only air is sucked into the exhaust unit 4 from the intake port 1 through the communication opening 5, and exhaust operation is performed by the exhaust blower 3 to exhaust through the exhaust port 2, so that continuous ventilation is possible.

  As described above, according to the first embodiment of the present invention, the exhaust unit 4 having the intake port 1 and the exhaust port 2 and provided with the exhaust blower 3 is provided in communication with the intake port 1 of the exhaust unit 4. A fixed hood 6 and a slide hood 7 that communicates with the fixed hood 6 and is slidable from the front of the fixed hood are provided. When the slide hood 7 is stored in the fixed hood 6, the intake port 1 of the exhaust unit 4 is closed. Because it is possible to always ventilate, when exhausting the smoke rising from the range, the slide hood 7 is pulled out from the fixed hood 6 and the suction area on the lower surface of the range hood is enlarged to efficiently collect the oil smoke. When the slide hood 7 is housed in the fixed hood 6, the exhaust port 4 is in an open state even when the slide hood 7 is housed in the fixed hood 6. By the exhaust air blower 3 in 4 it is possible to perform constant ventilation, the range hood is intended to eliminate the need to install a ventilation fan for separately constantly ventilated.

  In addition, since the rectifying unit 9 is disposed inside the slit 8 so that the slit 8 that increases the wind speed is formed in the inner peripheral portions of the fixed hood 6 and the slide hood 7, Even if the rising oil smoke collides with the rectifying unit and spreads to the periphery due to the high wind speed of the slit 8 formed in the peripheral part, the oil smoke is collected in the slit 8 with high wind speed, and the fixed hood 6 and Oil smoke leaking out of the slide hood 7 is eliminated, and the efficiency of collecting oil smoke is increased.

  Further, a gap 10 is formed so that the slide hood 7 does not come into contact with the inner surface of the fixed hood 6, and a blocking projection 11 having a shape for blocking the air flow in the gap 10 is erected in the vicinity of the rear end of the slide hood 7. Therefore, when the slide hood 7 is slid, the blocking projection 11 provided in the vicinity of the rear end of the slide hood 7 slides while contacting the inner surface of the fixed hood 6. Compared with the surface contact state in which the slide hood 7 is brought into contact and the entire slide hood 7 is in contact with the inner surface of the fixed hood 6, the slide can be performed lightly, and the fixed hood passes through the gap 10 by the blocking projection 11. 6 is shut off, and the exhaust air volume of the exhaust blower 3 is the total air volume sucked from the lower surfaces of the fixed hood 6 and the slide hood 7, Exhaust efficiency is can be prevented from being lowered.

  In the first embodiment, the exhaust fan 3 has been described with a constant rotational speed in both the range hood and the normal ventilation operation. However, during the normal ventilation, the ventilation amount determined by the Building Standard Law Needless to say, the rotational speed of the exhaust blower 3 may be slowed down to the range where the above is satisfied.

(Embodiment 2)
In contrast to the first embodiment, as shown in FIG. 4, a filter 12 having a large aperture ratio is provided on the inner periphery of the fixed hood 6 </ b> A and the slide hood 7 as a collection promoting portion. A filter 13 having a small aperture ratio is provided on the inner side.

  In the above configuration, most of the smoke rising from the range (not shown) is sucked through the filter 12 having a large aperture ratio, and one part of the smoke is sucked through the filter 13 having a small aperture ratio and is ventilated. .

  As described above, according to the second embodiment, the filter 12 having a large aperture ratio is provided on the inner peripheral portions of the fixed hood 6A and the slide hood 7A, and the aperture ratio is small inside the filter 12 having a large aperture ratio. Since the filter 13 is provided, the filter 12 having a large aperture ratio facilitates ventilation, and a large amount of air flows. The filter 12 serves as the slit described in the first embodiment, and the inner periphery of the fixed hood 6A and the slide hood 7A is provided. The amount of air passing through increases, and most of the smoke rising from the range is sucked through the filter 12 with a large opening ratio from which a large amount of air is sucked, and tends to flow outside the fixed hood 6A and the slide hood 7A. Oil smoke is collected and oil smoke can be prevented from leaking and exhausted efficiently.

(Embodiment 3)
As shown in FIG. 5, the filter 14 is arranged on the suction side of the fixed hood 6B and the slide hood 7B.

  In the above configuration, the oil smoke rising from the range (not shown) is collected by the oil droplets contained in the oil smoke adhering to the filter 14 while passing through the filter 14 provided on the suction side of the fixed hood 6B and the slide hood 7B. And oil droplets are no longer discharged outdoors.

  As described above, according to the third embodiment, the filter 14 is disposed on the suction side of the fixed hood 6B and the slide hood 7B, so that the oil smoke rising from the range is transferred to the suction side of the fixed hood 6B and the slide hood 7B. Oil droplets are collected by the filter 14 while passing through the provided filter 14, and air that does not contain oil droplets can be exhausted outdoors.

  It can be applied to dust collectors that use a collection structure with a fixed hood and slide hood to collect and collect contaminated air from a wide area.

Sectional drawing of the range hood of Embodiment 1 of this invention Bottom view of the same range hood Sectional drawing which shows the structure of the slide part of the slide hood of the same range hood The bottom view of the range hood of Embodiment 2 of the present invention Range hood bottom view of Embodiment 3 of the present invention Cross section of conventional range hood

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Intake port 2 Exhaust port 3 Exhaust blower 4 Exhaust unit 6 Fixed hood 6A Fixed hood 6B Fixed hood 7 Slide hood 7A Slide hood 7B Slide hood 8 Slit 9 Rectification part 10 Clearance 11 Blocking convex part 12 Filter with large opening ratio 13 Opening ratio Small filter 14 filter

Claims (3)

An exhaust unit having an intake port and an exhaust port and provided with an exhaust blower inside, a fixed hood that communicates with the intake port of the exhaust unit, communicates with the fixed hood, and is slidable from the front surface of the fixed hood A flat plate-like rectifying portion for increasing the wind speed at the inner peripheral portion on each suction surface of the fixed hood and the slide hood, the slide hood and the rectifying portion being the fixed hood. When the slide hood is housed in the fixed hood, the air to be exhausted is sucked into the exhaust unit from the rectifier side provided in the fixed hood. Range hood with ventilation. The range hood according to claim 1, wherein the fixed hood and the slide hood have a thin rectangular parallelepiped shape. The clearance convex part of the shape which formed the clearance gap so that a slide hood might not contact the inner surface of a fixed hood, and interrupted | blocks the distribution | circulation of the air of the said clearance gap stood near the rear-end part of the said slide hood. Range food.

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