JP2020003153A - Range hood, duct connection method and pipe component - Google Patents

Abstract

To provide a range hood capable of connecting an exhaust duct and an exhaust port tool eccentric to each other so as to lower the height of a connection part.SOLUTION: A range hood comprises: a body case having an upper surface with a first opening formed; a floor plate in which a second opening is formed, and which is arranged on the upper surface so that the second opening overlaps with the first opening; an exhaust port tool having a cylindrical part arranged so as to communicate with the first opening through the second opening, and a flange part that protrudes from the outer peripheral surface of the cylindrical part along a direction that intersects with the central axis of the cylindrical part at the end part of the cylindrical part, and that is disposed on a floor plate; and a pressing plate in which a third opening into which the cylindrical part is inserted is formed, and which is arranged on the floor plate via the flange part.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a range hood, a duct connection method, and a piping component.

  BACKGROUND ART Conventionally, a tubular universal joint described in Japanese Patent Application Laid-Open No. 2010-236666 (Patent Document 1) is known. The cylindrical universal joint described in Patent Literature 1 has a plurality of tubular members. In the tubular universal joint described in Patent Literature 1, each tubular member is rotatably connected. By rotating each tubular member relative to each other, it is possible to connect the exhaust port provided on the upper surface of the range hood, which is eccentric to each other, and the exhaust duct provided in the building.

JP 2010-236666 A

  However, when the exhaust port and the exhaust duct are connected using the cylindrical universal joint described in Patent Literature 1, the height of the portion (connection portion) to which the exhaust duct is connected increases. .

  The present invention has been made in view of the above-described problems of the related art. More specifically, the present invention provides a range hood capable of connecting to an eccentric exhaust duct and exhaust outlet while maintaining the height of the connection portion small.

  A range hood according to one embodiment of the present invention has a main body case having an upper surface in which a first opening is formed, and a second opening is formed on the upper surface such that the second opening overlaps the first opening. An exhaust port having a floor plate, a tubular portion arranged to communicate with the first opening via the second opening, and a flange portion projecting from the outer peripheral surface of the cylindrical portion and disposed on the floor plate. And a pressing plate formed with a third opening through which the cylindrical portion is inserted, and disposed on the floor plate via the flange portion.

  In the range hood according to one embodiment of the present invention, the position of the exhaust port connected to the exhaust duct can be adjusted by sliding the flange portion between the floor plate and the holding plate. In the range hood according to one embodiment of the present invention, since the connection with the exhaust duct is adjusted using a plate-shaped member (a floor plate and a holding plate), the height of the connection portion does not increase significantly. As described above, according to the range hood according to one embodiment of the present invention, the exhaust duct and the exhaust port which are eccentric to each other can be connected while suppressing an increase in the height of the connection portion.

  The range hood may further include a first positioning portion that regulates a relative movement of the pressing plate with respect to the floor plate.

  In this case, since the positioning of the holding plate with respect to the floor plate can be performed, the workability of attaching the holding plate can be improved.

  In the above range hood, the first positioning portion includes a first through hole formed in the floor plate, a second through hole formed in the holding plate, and a bolt inserted into the first through hole and the second through hole. May be configured.

  In this case, since the positioning of the holding plate with respect to the floor plate can be performed, the workability of attaching the holding plate can be improved.

  The range hood may further include a nut screwed to the bolt. The flange portion cannot slide between the bottom plate and the holding plate when the bottom plate and the holding plate are fastened with bolts and nuts, and the bottom plate and the bottom plate when the bottom plate and the holding plate are not fastened with bolts and nuts. It may be slidable between the holding plate.

  In this case, the connection between the exhaust port and the exhaust duct can be easily performed by fastening the holding plate and the floor plate with bolts and nuts after adjusting the position of the exhaust port.

  In the above range hood, the nut may be screwed on the bolt on the holding plate.

  In this case, since the nut is disposed on the holding plate at a location easily accessible to the operator, the holding plate and the floor plate can be easily fastened, and workability can be improved.

  In the above range hood, the main body case may further have a first side facing the wall surface of the building and a second side facing the first side. The first through-hole may be disposed closer to the second side surface than the first opening. The second through-hole may be located closer to the second side surface than the second opening.

  In this case, since the nut is disposed at a location easily accessible to the operator, such as the second side surface of the exhaust port (cylindrical portion), the holding plate and the floor plate can be easily fastened. Workability can be improved.

  The range hood may further include a second positioning portion that regulates a relative movement of the holding plate with respect to the floor plate.

  In this case, since the positioning of the holding plate with respect to the floor plate can be performed, the workability of attaching the holding plate can be improved.

  In the above range hood, the second positioning portion may be constituted by an engagement hole formed in the floor plate and an engagement claw formed in the holding plate and engaged with the engagement hole.

  In this case, since the positioning of the holding plate with respect to the floor plate can be performed, the workability of attaching the holding plate can be improved.

  In the above range hood, the main body case may further have a first side surface on a wall surface of the building. The engagement hole may be located closer to the first side surface than the first opening. The engagement claw may be disposed closer to the first side surface than the second opening.

  In this case, since the floor plate and the pressing plate can be engaged with each other at a position visible to the operator, the workability of mounting the pressing plate can be improved.

  In the above range hood, the main body case may further include a first side surface facing the wall surface of the building, a second side surface facing the first side surface, and a back surface connected to the first side surface and the second side surface. Good. The first side surface may face the wall surface. The edge of the second opening may include a first side parallel to the back surface, a second side parallel to the first side surface, and an arc. The first side may be continuous with an end on the back side of the second side at an end on the first side surface side. The arc may be continuous with an end of the first side opposite to the first side surface and an end of the second side opposite to the back surface.

  In this case, it is possible to reduce the exhaust resistance of oil smoke or the like from passing through the first opening to reach the cylindrical portion of the exhaust fitting.

  In the exhaust duct connection method according to one aspect of the present invention, a floor plate having a second opening is disposed on an upper surface of a main body case having a first opening so that the second opening and the first opening overlap. And an exhaust fitting having a tubular portion and a flange portion projecting from the outer peripheral surface of the tubular portion, wherein the flange portion is located on the bottom plate, and the tubular portion is in the first position through the second opening. A step of arranging the pressing plate having the third opening formed thereon so as to communicate with the opening, a step of arranging the pressing plate having the third opening on the floor board through the flange so that the cylindrical portion is inserted into the third opening, A step of adjusting the position of the exhaust port by sliding between the floor plate and the holding plate, and a step of connecting an exhaust duct to the tubular portion after the position of the exhaust port is adjusted, After the exhaust duct is connected to the flange, the flange does not slide between the floor plate and the holding plate. And a step to.

  According to the exhaust duct connection method of one embodiment of the present invention, it is possible to connect the exhaust duct and the exhaust port which are eccentric to each other while keeping the height of the connection portion small.

  In the above-described exhaust duct connection method, a first through-hole may be formed in the sole plate. A second through hole may be formed in the holding plate. A bolt may be inserted through the first through hole. The holding plate may be arranged by inserting a bolt into the second through hole. The flange portion may be made non-slidable between the floor plate and the holding plate by fastening the floor plate and the holding plate by screwing the nut to the bolt.

  In this case, since the positioning of the holding plate with respect to the floor plate can be easily performed by the first through hole, the second through hole, and the bolt, the workability of mounting the holding plate can be improved. In this case, the position of the exhaust port can be easily fixed by fastening the holding plate and the floor plate with bolts and nuts after adjusting the position of the exhaust port.

  In the above exhaust duct connection method, the main body case may further have a first side surface and a second side surface. The first side surface may face a wall surface of the building. The second side may be opposed to the first side. In the range hood, the first through-hole may be arranged on the second side surface side of the first opening. The second through-hole may be located closer to the second side surface than the second opening.

  In this case, since the nut is disposed at a location easily accessible to the operator, such as the second side surface of the exhaust port (cylindrical portion), the holding plate and the floor plate can be easily fastened. Workability can be improved.

  In the above exhaust duct connection method, the main body case may further have a first side surface. The first side surface may face a wall surface of the building. An engaging hole may be formed in the sole plate on the first side surface side of the first opening. The holding plate may have an engagement claw inserted into the engagement hole on the first side surface side of the second opening.

  In this case, the engagement of the engagement holes with the engagement claws enables the positioning of the holding plate with respect to the floor plate, so that the workability of attaching the holding plate can be improved. In addition, since the floor plate and the holding plate can be engaged with each other at a position where the worker can visually recognize the work, the workability of mounting the holding plate can be improved.

  A piping component according to one embodiment of the present invention includes a tubular portion disposed in a range hood including a main body case having an upper surface with a first opening formed therein so as to communicate with the first opening, and connected to an exhaust duct. And a flange part protruding from the outer peripheral surface of the tubular part. This piping component has a bottom plate in which a second opening is formed and which is disposed on the upper surface such that the second opening overlaps the first opening, a third opening in which the cylindrical portion is inserted, and a flange portion. And a pressing plate disposed on the floor plate via the base plate.

  ADVANTAGE OF THE INVENTION According to the piping component which concerns on one aspect of this invention, connection with the exhaust duct and exhaust port which are mutually eccentric can be performed, maintaining the height of a connection part small.

  According to the range hood, the exhaust duct connection method, and the piping component according to one embodiment of the present invention, it is possible to connect the exhaust duct and the exhaust port which are eccentric to each other while keeping the height of the connection portion small.

It is an exploded perspective view of the range hood concerning an embodiment. It is a top view of the range hood concerning an embodiment. FIG. 3 is a sectional view taken along line III-III in FIG. 2. FIG. 4 is an enlarged view of a region IV in FIG. 3. It is a perspective view of the bottom plate 5. FIG. 3 is a top view of the sole plate 3. FIG. 3 is a perspective view of an exhaust port 2. FIG. 4 is a top view of the holding plate 4. FIG. 4 is a side view of the holding plate 4. It is a flowchart showing the exhaust duct connection method concerning an embodiment.

  Embodiments of the present invention will be described in detail with reference to the drawings. In the drawings, the same or corresponding portions are denoted by the same reference characters, and overlapping description will not be repeated.

(Configuration of range hood according to embodiment)
Hereinafter, the configuration of the range hood according to the embodiment will be described.

  As shown in FIGS. 1 to 4, the range hood according to the embodiment has a hood portion 11, a current plate 12, a main body case 13, a motor 14, and a fan 15. The range hood according to the embodiment further includes an exhaust fitting 2, a floor plate 3, a holding plate 4, and a bottom plate 5. Although not shown, the range hood according to the embodiment is arranged above a heating cooker such as a gas stove.

  The hood portion 11 has an upper surface 11a and a lower surface 11b. The lower surface 11b is opposite to the upper surface 11a. The hood portion 11 is provided with a concave portion 11c. The lower surface 11b is recessed toward the upper surface 11a in the concave portion 11c. The hood section 11 is provided with an exhaust port (not shown). The exhaust port passes through the hood 11. The exhaust port connects the recess 11c and the upper surface 11a.

  The current plate 12 is attached to the lower surface 11b side of the hood portion 11 so as to cover the concave portion 11c. The current plate 12 is separated from the lower surface 11b. The periphery of the current plate 12 is separated from the periphery of the concave portion 11c. The flow path 11e is formed by the lower surface 11b and the rectifying plate 12. The flow path 11e is connected to the exhaust port.

  The main body case 13 has an upper surface 13a, a front surface 13b, a rear surface 13c, a first side surface 13d, and a second side surface 13e. The front surface 13b is a surface facing the user of the range hood according to the embodiment. The back surface 13c is the opposite surface of the front surface 13b. The front surface 13b faces the wall surface of the building. Note that a direction from the front surface 13b toward the back surface 13c is referred to as a first direction DR1.

  The first side surface 13d and the second side surface 13e face each other. The direction from the first side surface 13d to the second side surface 13e is referred to as a second direction DR2. The first direction DR1 and the second direction DR2 cross each other. The first direction DR1 and the second direction DR2 are preferably orthogonal to each other.

  The first side surface 13d and the second side surface 13e are continuous with the front surface 13b and the back surface 13c. The first side surface 13d faces, for example, a wall surface of the building. The front surface 13b, the back surface 13c, the first side surface 13d, and the second side surface 13e are connected to the upper surface 13a at the upper end, and are connected to the upper surface 11a of the hood 11 at the lower end.

  An opening 13aa is formed in the upper surface 13a. At the opening 13aa, the inside of the main body case 13 and the outside of the main body case 13 communicate with each other. A flow path 13f is formed inside the main body case 13. The flow path 13f has one end connected to the opening 13aa. Although not shown, the flow path 13f is connected to the exhaust port of the hood 11 at the other end.

  The opening 13aa is arranged such that the distance from the first side surface 13d is smaller than the distance from the second side surface 13e in the second direction DR2. The arrangement of the openings 13aa is referred to as a left exhaust arrangement. Hereinafter, a case where the arrangement of the openings 13aa is the left exhaust arrangement will be described as an example. Arranging the opening 13aa so that the distance from the first side surface 13d is greater than the distance from the second side surface 13e is referred to as right exhaust arrangement.

  The motor 14 has a rotating shaft. The rotation shaft of the motor 14 is connected to the fan 15. The fan 15 is, for example, a sirocco fan. The motor 14 and the fan 15 are housed inside the main body case 13. When the motor 14 rotates the rotating shaft, the fan 15 rotates. With the rotation of the fan 15, oil smoke or the like generated from the cooking utensil is sucked into the main body case 13 through the flow path 11e and the exhaust port of the hood portion 11. The oily smoke and the like are further discharged from the opening 13aa to the outside of the main body case 13 through the flow path 13f (see the arrow in FIG. 3).

  The bottom plate 5 has a first surface 5a and a second surface 5b. The second surface 5b is the opposite surface of the first surface 5a. The bottom plate 5 is attached to the upper surface 11a such that the second surface 5b and the upper surface 11a face each other. The bottom plate 5 is attached to the upper surface 11a with, for example, screws.

  As shown in FIG. 5, the bottom plate 5 is provided with an opening 5c and a through hole 5d. The opening 5c penetrates the bottom plate 5 in the thickness direction. The opening 5c is arranged so as to overlap the opening 13aa.

  The through hole 5d penetrates the bottom plate 5 in the thickness direction. The through-hole 5d is disposed closer to the second side surface 13e than the opening 5c. In addition, when the arrangement of the openings 13aa is the right exhaust arrangement, the through holes 5d are arranged closer to the first side surface 13d than the openings 5c. In this case, the bottom plate 5 may be used after being rotated by 180 ° around a rotation axis along the direction from the first surface 5a to the second surface 5b.

  The floor plate 3 is disposed on the upper surface 13 a of the main body case 13 via the bottom plate 5. The floor plate 3 has a first surface 3a and a second surface 3b. The second surface 3b is the opposite surface of the first surface 3a. The floor plate 3 is arranged such that the second surface 3b faces the first surface 5a.

  As shown in FIG. 6, the floor plate 3 is provided with an opening 3c. The opening 3c penetrates the floor plate 3 in the thickness direction. The opening 3c is arranged so as to overlap the opening 13aa and the opening 5c (see FIG. 1).

  The edge of the opening 3c has a first side 3ca and a second side 3cb. The first side 3ca is a side parallel to the first side surface 13d. The second side 3cb is a side parallel to the back surface 13c. One end of the first side 3ca is continuous with one end of the second side 3cb. The edge of the opening 3c has an arc 3cc. The arc 3cc is continuous with the other end of the first side 3ca and the other end of the second side 3cb.

  The base plate 3 is further formed with a through hole 3d. The through hole 3d penetrates the floor plate 3 in the thickness direction. The number of the through holes 3d may be plural. The through-hole 3d is disposed closer to the second side surface 13e than the opening 3c. The through hole 3d is arranged so as to overlap with the through hole 5d.

  The bottom plate 3 has an engagement hole 3e. The engagement hole 3e penetrates the floor plate 3 in the thickness direction. The number of the engagement holes 3e may be plural. The engagement hole 3e is disposed on the first side 13d side of the opening 3c. The engagement hole 3e has a rectangular shape in plan view, for example.

  In the case where the opening 13aa is arranged in the right exhaust arrangement, the through hole 3d is arranged on the first side 13d side of the opening 3c, and the engaging hole 3e is arranged on the second side 13e side of the opening 3c. In this case, the sole plate 3 may be used by inverting the first surface 3a and the second surface 3b.

  As shown in FIG. 7, the exhaust fitting 2 has a tubular portion 21 and a flange portion 22. The tubular portion 21 is connected at one end to the exhaust duct 9. At the other end, the cylindrical portion 21 communicates with the opening 13aa via the opening 5c and the opening 3c. Oil smoke or the like that has passed through the opening 13aa is discharged outside through the cylindrical portion 21 and the exhaust duct 9. The tubular portion 21 has, for example, a tubular shape. Preferably, the cylindrical portion 21 has a cylindrical shape. The cylindrical portion 21 has a diameter D. The diameter D is the maximum value of the diameter of the cylindrical portion 21. The flange portion 22 has a width W1. The width W1 is the width of the flange portion 22 in the second direction DR2.

  The flange portion 22 is formed at the other end of the tubular portion 21. The flange portion 22 is formed so as to protrude from the outer peripheral surface of the tubular portion 21 along a direction intersecting the central axis of the tubular portion 21. The flange portion 22 is arranged on the floor plate 3.

  The holding plate 4 is arranged on the floor plate 3 via the flange portion 22. In other words, the flange portion 22 is located between the floor plate 3 and the holding plate 4. The holding plate 4 has a first surface 4a and a second surface 4b. The second surface 4b is the opposite surface of the first surface 4a. The holding plate 4 is arranged such that the second surface 4 b faces the floor plate 3.

  As shown in FIG. 8, the holding plate 4 is provided with an opening 4c. The opening 4c penetrates the holding plate 4 in the thickness direction. The opening 4c is arranged so as to overlap the opening 3c. The tubular portion 21 is inserted into the opening 4c. The opening 4c has a width W2. The width W2 is the maximum value of the width of the opening 4c in the second direction DR2. The width W2 is larger than the diameter D. The width W2 is smaller than the width W1.

  As shown in FIG. 9, the holding plate 4 is formed with an engaging claw 4 d. The number of the engagement claws 4d is equal to the number of the engagement holes 3e. The engaging claw 4d is engaged with the engaging hole 3e. The engagement of the engagement claws 4d with the engagement holes 3e restricts the movement of the holding plate 4 with respect to the floor plate 3. That is, the engagement hole 3 e and the engagement claw 4 d constitute a positioning portion 8 a that restricts the movement of the holding plate 4 with respect to the floor plate 3.

  The engaging claw 4d is formed on the second surface 4b. More specifically, the engagement claw 4d has a first portion 4da and a second portion 4db. The first portion 4da is a portion that is bent downward from the holding plate 4. The second portion 4db is a portion that is bent horizontally from the first portion 4da. The engaging claw 4d is disposed closer to the first side surface 13d than the opening 4c.

  In the above, the example in which the engaging hole 3e is provided in the floor plate 3 and the engaging claw 4d is provided in the pressing plate 4 has been described, but the engaging hole 3e may be provided in the pressing plate 4, The engaging claw 4d may be provided on the floor plate 3.

  A guide portion 4 e is formed on the holding plate 4. The guide portion 4e is provided, for example, along the side on the front surface 13b side of the holding plate 4 and the side on the back surface 13c side of the holding plate 4. The guide portion 4e is formed by bending the holding plate 4 downward. When the guide portion 4e abuts on the floor plate 3, the pressing plate 4 is positioned in the first direction DR1.

  The holding plate 4 has a through hole 4f. The through hole 4f penetrates the holding plate 4 in the thickness direction. The number of the through holes 4f is equal to the number of the through holes 3d. The pressing plate 4 is arranged so that the through hole 4f overlaps the through hole 3d. The through hole 4f is disposed closer to the second side surface 13e than the opening 4c.

  In the case where the opening 13aa is arranged in the right exhaust arrangement, the through hole 4f is arranged on the first side 13d side of the opening 4c, and the engaging claw 4d is arranged on the second side 13e side of the opening 4c. In this case, the pressing plate 4 may be used after being rotated by 180 ° around a rotation axis along a direction from the first surface 4a to the second surface 4b.

  A bolt 6 is inserted into the through hole 3d, the through hole 4f, and the through hole 5d. More specifically, the bolt 6 is inserted through the through-hole 3d, the through-hole 4f, and the through-hole 5d such that the head is located on the second surface 5b side. The bolt 6 is inserted into the through hole 4f and the through hole 5d, so that the movement of the holding plate 4 with respect to the floor plate 3 is restricted. That is, the through hole 3d, the through hole 4f, and the bolt 6 constitute a positioning portion 8b that restricts the movement of the holding plate 4 with respect to the floor plate 3. The nut 7 is screwed onto the bolt 6 on the holding plate 4. The nut 7 is, for example, a wing nut. The bolt 6 and the nut 7 fasten the bottom plate 3 and the holding plate 4.

  When the bottom plate 3 and the holding plate 4 are not fastened with the bolts 6 and the nuts 7, the flange portion 22 slides between the bottom plate 3 and the holding plate 4 because the flange portion 22 is not strongly sandwiched between the bottom plate 3 and the holding plate 4. It is possible. On the other hand, when the base plate 3 and the holding plate 4 are fastened by the bolts 6 and the nuts 7, the flange portion 22 is strongly sandwiched between the base plate 3 and the holding plate 4, and thus slides between the base plate 3 and the holding plate 4. It is impossible.

(Exhaust duct connection method according to the embodiment)
Hereinafter, the exhaust duct connection method according to the embodiment will be described.

  As shown in FIG. 10, the exhaust duct connecting method according to the embodiment includes a bottom plate attaching step S2, a floor plate placing step S3, an exhaust port placing step S4, a holding plate placing step S5, and a position adjusting step S6. , An exhaust duct connecting step S7 and a position fixing step S8. Prior to the bottom plate attaching step S2, a range hood attaching step S1 for attaching a range hood to a wall surface of a building is performed.

  In the exhaust duct connection method according to the embodiment, first, a bottom plate attaching step S2 is performed. In the bottom plate attaching step S2, the bottom plate 5 is attached to the upper surface 13a of the main body case 13. In the bottom plate attaching step S2, the bolt 6 is inserted through the through hole 5d.

  After the bottom plate attaching step S2 is performed, the floor board arranging step S3 is performed. In the board placement step S <b> 3, the board 3 is placed on the upper surface 13 a of the main body case 13 via the bottom plate 5. The laying plate 3 is arranged by inserting the bolt 6 into the through hole 3d.

  After the floor plate arrangement step S3 is performed, an exhaust fitting arrangement step S4 is performed. In the exhaust fitting arrangement step S4, the exhaust fitting 2 is arranged on the floor plate 3. More specifically, in the exhaust fitting arrangement step S4, the exhaust fitting 2 is arranged so that the tubular portion 21 communicates with the opening 13aa and the flange portion 22 is located on the floor plate 3.

  After the exhaust fitting arrangement step S4 is performed, a holding plate arrangement step S5 is performed. In the holding plate arranging step S5, the holding plate 4 is arranged so as to sandwich the flange portion 22 with the floor plate 3. Further, in the pressing plate disposing step S5, the cylindrical portion 21 is inserted into the opening 4c, and the disposing of the pressing plate 4 is performed by inserting the bolt 6 into the through hole 4f. In the pressing plate disposing step S5, the engagement claws 4d are also engaged with the engagement holes 3e. In the holding plate arranging step S5, the nut 7 is attached to the bolt 6 after the holding plate 4 is arranged. However, at this time, the nut 7 does not strongly sandwich the floor plate 3 and the holding plate 4 between the nut 7 and the head of the bolt 6. That is, at this point, the fastening between the bolt 6 and the nut 7 has been released.

  After the pressing plate arranging step S5 is performed, a position adjusting step S6 is performed. In the position adjusting step S6, the position of the exhaust fitting 2 is adjusted. Thereby, the eccentricity between the cylindrical portion 21 and the exhaust duct 9 is corrected. The position of the exhaust port 2 is adjusted by sliding the flange portion 22 between the floor plate 3 and the holding plate 4.

  After the position adjustment step S6 is performed, an exhaust duct connection step S7 is performed. In the exhaust duct connection step S7, the connection between the tubular portion 21 and the exhaust duct 9 is performed. As described above, since the eccentricity between the tubular portion 21 and the exhaust duct 9 is corrected in the position adjustment step S6, the exhaust duct 9 can be easily connected to the tubular portion 21. An aluminum tape is wound around the connection between the tubular portion 21 and the exhaust duct 9.

  The position fixing step S8 is performed after the exhaust duct connecting step S7. In the position fixing step S8, the position of the exhaust fitting 2 is fixed. This fixing is performed by fastening the base plate 3 and the holding plate 4 with bolts 6 and nuts 7. Thus, the connection between the exhaust port 2 and the exhaust duct 9 is completed.

(Effect of Range Hood According to Embodiment)
Hereinafter, effects of the range hood according to the embodiment will be described.

  In the range hood and exhaust duct connection method according to the embodiment, the position of the exhaust port 2 connected to the exhaust duct 9 is adjusted by the flange portion 22 sliding between the floor plate 3 and the holding plate 4. You. Further, in the range hood according to one embodiment of the present invention, since the connection with the exhaust duct 9 is adjusted using the plate-shaped members (the floor plate 3 and the holding plate 4), the height of the connection portion is greatly increased. do not do. As described above, according to the range hood according to the embodiment, the exhaust duct 9 and the exhaust port 2 that are eccentric to each other can be connected while suppressing an increase in the height of the connection portion.

  The range hood according to the embodiment has the positioning portion 8b that regulates the relative movement of the pressing plate 4 with respect to the floor plate 3 (more specifically, the through-hole 3d, the through-hole 4f, and the bolt 6). Since the holding plate 4 can be positioned, the workability of mounting the holding plate 4 can be improved.

  In the range hood according to the embodiment, the position of the exhaust port 2 can be adjusted by not fastening the base plate 3 and the holding plate 4 with the bolt 6 and the nut 7, and the base plate 3 and the holding plate 4 are fastened with the bolt 6 and the nut 7. Thus, the position of the exhaust port 2 can be fixed. Therefore, according to the range hood according to the embodiment, the connection between the exhaust port and the exhaust duct can be easily performed.

  When the nut 7 is screwed onto the bolt 6 on the holding plate 4, the nut 7 is placed on the holding plate 4 in a location easily accessible to the operator. Therefore, in this case, fastening of the holding plate 4 and the floor plate 3 can be easily performed, and workability can be improved.

  When the through hole 3d is arranged on the second side surface 13e side with respect to the opening 3c and the through hole 4f is arranged on the second side surface 13e side with respect to the opening 4c, the nut 7 is attached to the exhaust port 2 (cylindrical shape). Since the second side 13e side of the portion 21) is located at a location easily accessible to the operator, the holding plate 4 and the floor plate 3 can be easily fastened, and workability can be improved. it can.

  The range hood according to the embodiment has the positioning portion 8a that regulates the relative movement of the holding plate 4 with respect to the floor plate 3 (more specifically, has the engaging hole 3e and the engaging claw 4d). Since the holding plate 4 can be positioned with respect to the floor plate 3, the workability of mounting the holding plate 4 can be improved.

  When the engaging hole 3e is disposed closer to the first side surface 13d than the opening 3c and the engaging claw 4d is disposed closer to the first side surface 13d than the opening 4c, the mating plate 3 and the pressing plate 4 Since the engagement can be performed at a position visible to the operator, the workability of attaching the holding plate 4 can be improved.

  When the edge of the opening 3c has the first side 3ca, the second side 3cb, and the arc 3cc, the oil smoke that passes through the opening 13aa and reaches the tubular portion 21 with the adjustment of the position of the exhaust fitting 2 It can be suppressed that the flow such as is obstructed by the floor plate 3, so that the exhaust resistance can be reduced.

  The embodiment disclosed this time is an example in all respects, and should be considered not to be restrictive. The scope of the present invention is defined by the terms of the claims, rather than the embodiments described above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

  The above embodiment is particularly advantageously applied to a range hood, an exhaust duct connection method, and a piping component.

  2 Exhaust port, 3 floor plate, 3a, 4a, 5a first surface, 3b, 4b, 5b second surface, 3c, 4c, 5c, 13aa opening, 3ca first side, 3cb second side, 3cc arc, 3d, 4f, 5d through hole, 3e engaging hole, 4 holding plate, 4d engaging claw, 4da first portion, 4db second portion, 4e guide portion, 5 bottom plate, 6 bolt, 7 nut, 8a, 8b positioning portion, 9 Exhaust duct, 11 hood portion, 11a, 13a upper surface, 11b lower surface, 11c concave portion, 11e, 13f flow path, 12 rectifier plate, 13 main body case, 13b front surface, 13c rear surface, 13d first side surface, 13e second side surface, 14 motor , 15 fan, 21 cylindrical portion, 22 flange portion, DR1 first direction, DR2 second direction, S1 bottom plate mounting process, S2 floor plate placement process, S3 exhaust port placement Degree, S4 pressing plate arranging step, S5 position adjusting step, S6 exhaust duct connection step, S7 position fixing step, D in diameter, W1, W2 width.

Claims (15)

A main body case having an upper surface in which the first opening is formed;
A bottom plate formed with a second opening, and disposed on the upper surface such that the second opening overlaps the first opening;
An exhaust fitting having a tubular portion disposed to communicate with the first opening through the second opening, and a flange portion projecting from an outer peripheral surface of the tubular portion and disposed on the floor plate; When,
A range hood, comprising: a third opening through which the cylindrical portion is inserted, and a pressing plate disposed on the floor plate via the flange portion.   The range hood according to claim 1, further comprising a first positioning portion that regulates a relative movement of the holding plate with respect to the floor plate.   The first positioning portion includes a first through hole formed in the floor plate, a second through hole formed in the holding plate, and a bolt inserted into the first through hole and the second through hole. The range hood according to claim 2, wherein the range hood is configured. Further comprising a nut screwed to the bolt,
The flange portion is not slidable between the base plate and the holding plate in a state where the base plate and the holding plate are fastened by the bolt and the nut, and the base plate and the holding member are held by the bolt and the nut. The range hood according to claim 3, wherein the range hood is slidable between the floor plate and the holding plate when the plate is not fastened.   The range hood according to claim 4, wherein the nut is screwed on the bolt on the holding plate. The main body case further includes a first side facing the wall of the building, and a second side facing the first side,
The first through hole is disposed closer to the second side surface than the first opening,
The range hood according to claim 5, wherein the second through-hole is disposed closer to the second side surface than the second opening.   2. The range hood according to claim 1, further comprising a second positioning portion that regulates a relative movement of the holding plate with respect to the floor plate. 3.   8. The second positioning portion according to claim 7, wherein the second positioning portion includes an engagement hole formed in the floor plate and an engagement claw formed in the holding plate and engaged with the engagement hole. 9. Range hood. The main body case further has a first side surface on a wall surface of the building,
The engagement hole is disposed closer to the first side surface than the first opening,
The range hood according to claim 8, wherein the engagement claw is disposed closer to the first side surface than the second opening. The main body case further includes a first side facing the wall of the building, a second side facing the first side, and a back side continuing to the first side and the second side,
An edge of the second opening includes a first side parallel to the back surface, a second side parallel to the first side surface, and an arc.
The first side is connected to the rear side end of the second side at the first side end,
The range hood according to claim 1, wherein the arc is continuous with an end of the first side opposite to the first side surface and an end of the second side opposite to the back surface. Arranging, on an upper surface of the main body case in which the first opening is formed, a floor plate in which the second opening is formed so that the second opening and the first opening overlap;
An exhaust port having a tubular portion and a flange portion projecting from the outer peripheral surface of the tubular portion, wherein the flange portion is located on the floor plate, and the tubular portion is formed through the second opening through the second opening. Arranging to communicate with the first opening;
A step of disposing a holding plate having a third opening formed on the floor board via the flange portion so that the cylindrical portion is inserted into the third opening;
A step of adjusting the position of the exhaust port by sliding the flange portion between the floor plate and the holding plate;
After the position adjustment of the exhaust port is performed, a step of connecting an exhaust duct to the tubular portion,
After the exhaust duct is connected to the cylindrical portion, the flange portion is prevented from sliding between the floor plate and the pressing plate. A first through hole is formed in the sole plate,
A second through hole is formed in the holding plate,
A bolt is inserted into the first through hole,
The pressing plate is arranged by inserting the bolt into the second through-hole,
The exhaust according to claim 11, wherein the flange portion is made not to be slidable between the floor plate and the pressing plate by fastening a nut to the bolt to fasten the floor plate and the pressing plate. Duct connection method. The main body case further includes a first side facing the wall of the building, and a second side facing the first side,
The first through hole is disposed closer to the second side surface than the first opening,
The exhaust duct connection method according to claim 12, wherein the second through-hole is disposed closer to the second side surface than the second opening. The main body case further has a first side surface facing a wall surface of the building,
An engaging hole is formed in the floor plate on the first side surface side of the first opening,
The exhaust duct connection method according to claim 11, wherein an engagement claw inserted into the engagement hole is formed on the first side surface of the holding plate relative to the second opening. A range hood including a main body case having an upper surface with a first opening, a cylindrical portion disposed to communicate with the first opening and connected to an exhaust duct, and an outer peripheral surface of the cylindrical portion. A piping part for mounting an exhaust port having a flange portion that projects,
The piping component is
A bottom plate formed with a second opening and disposed on the upper surface such that the second opening overlaps the first opening;
A piping component, comprising: a third opening through which the cylindrical portion is inserted; and a pressing plate disposed on the floor plate via the flange portion.

Images