WO2019176627A1 - Dispositif de ventilation - Google Patents

Dispositif de ventilation Download PDF

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Publication number
WO2019176627A1
WO2019176627A1 PCT/JP2019/008499 JP2019008499W WO2019176627A1 WO 2019176627 A1 WO2019176627 A1 WO 2019176627A1 JP 2019008499 W JP2019008499 W JP 2019008499W WO 2019176627 A1 WO2019176627 A1 WO 2019176627A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide member
protrusion
box
adapter
protrusions
Prior art date
Application number
PCT/JP2019/008499
Other languages
English (en)
Japanese (ja)
Inventor
衆人 野々下
晃規 安藤
政史郎 鈴木
康晃 島
雅史 坪内
大輔 兼松
徳彦 長谷川
Original Assignee
パナソニックＩｐマネジメント株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2018176749A external-priority patent/JP2020046150A/ja
Priority claimed from JP2018235016A external-priority patent/JP2019158325A/ja
Application filed by パナソニックＩｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Publication of WO2019176627A1 publication Critical patent/WO2019176627A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/32—Supports for air-conditioning, air-humidification or ventilation units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/10—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with air supply, or exhaust, through perforated wall, floor or ceiling

Definitions

  • the present invention relates to a ventilation device installed on the ceiling of a building or the like.
  • Patent Document 1 a structure in which a housing and an adapter are separated so as to be easily installed on the back of the ceiling is known (see, for example, Patent Document 1).
  • a conventional ventilation device includes a blower 102 that is installed on a ceiling of a building, has an opening on a bottom surface, and has an air outlet on one side surface, and forms an air flow from the opening on the lower surface to the air outlet. It is incorporated.
  • the construction of ventilation equipment can be broadly classified into two methods: a method of attaching the top plate after the ventilation device is installed behind the ceiling, and a method of retrofitting the ventilation device to the existing ceiling (retrofit).
  • the adapter 103 is first attached to the ceiling. Subsequently, from the top surface to the bottom surface of the casing 101, the adapter 103 is inserted from the top surface side. Thereby, installation of a ventilator is possible by the small opening provided in the top plate. Retrofit can accommodate a variety of situations because it can introduce a ventilator in addition to the existing environment.
  • top plate is thin and weak. That is, a duct serving as a passage for air is connected to the adapter 103 attached to the back of the ceiling, so that a load of the duct is applied to the adapter 103.
  • the adapter 103 is inclined to the duct side. Since the casing 101 cannot be inserted in accordance with the inclination of the adapter 103 through the small opening of the top plate, the casing 101 may not be correctly engaged with the inclined adapter 103.
  • the adapter 103 and the casing 101 are independent in retrofit as described above. For this reason, a gap based on the load of the duct is generated between the adapter 103 and the casing 101, and the airtightness between the adapter 103 and the casing 101 is impaired.
  • an object of the present invention is to provide a ventilator having an improved airtightness while improving workability in a ventilator in which the adapter 103 and the casing 101 are independently configured.
  • a ventilator is connected between a top surface and a bottom surface, opposed first and second side surfaces connected between the top surface and the bottom surface, and a first surface and a bottom surface.
  • a box including a side surface and a front surface connected between the second side surface.
  • the bottom has a suction port.
  • the front has an outlet.
  • the first side surface has a first guide member.
  • the second side surface has a second guide member.
  • the ventilator further includes a blower that guides air from the suction port to the blowout port, and an adapter that is fixed to the box so as to face the front surface.
  • the adapter is guided by the first guide member and the second guide member by sliding from the top side to the bottom side of the box.
  • the adapter includes a first guide portion having a concave shape and guided by a first guide member, and a second guide portion having a concave shape and guided by a second guide member.
  • a 1st guide member and a 2nd guide member contact the inner peripheral wall of the dent in a concave shape, and guide an adapter.
  • a ventilator includes a top surface and a bottom surface, a first side surface connected between the top surface and the bottom surface, a connection between the top surface and the bottom surface, and a connection to the first side surface.
  • a box including a front surface. The bottom has a suction port. The front has an outlet. The first side surface has a through hole for passing the guide member.
  • the ventilator further includes a blower unit that has a fan built in the fan case and guides air from the suction port to the blowout port, and an adapter that is fixed to the box so as to face the front surface. The adapter is guided by the guide member by sliding from the top side to the bottom side of the box.
  • the fan case includes a protrusion that functions as a guide member by penetrating the through hole and protruding toward the outer peripheral side of the box.
  • the workability can be improved and the airtightness can be enhanced.
  • FIG. 1 is an exploded perspective view of a ventilation device according to Embodiment 1 of the present invention.
  • FIG. 2 is a bottom view of the ventilation device according to Embodiment 1 of the present invention.
  • FIG. 3 is a side view of the first guide member according to Embodiment 1 of the present invention.
  • FIG. 4 is a rear perspective view of the first guide member according to Embodiment 1 of the present invention.
  • FIG. 5 is a side view showing a state where the first guide member is removed from the ventilation apparatus according to Embodiment 1 of the present invention.
  • FIG. 6 is a side view showing a state where the first guide member is attached to the ventilation device according to Embodiment 1 of the present invention.
  • FIG. 7 is a rear perspective view of the first guide member according to Embodiment 2 of the present invention.
  • FIG. 8 is an exploded perspective view of the ventilation device according to Embodiment 3 of the present invention.
  • FIG. 9 is an exploded perspective view of a ventilation device according to Embodiment 3 of the present invention.
  • FIG. 10 is a front view of the first guide member according to Embodiment 3 of the present invention.
  • FIG. 11 is a perspective view of the first guide member according to the third embodiment.
  • FIG. 12 is a perspective view of a conventional ventilation device.
  • FIGS. 1 and 2 are exploded perspective views of the ventilator 30 according to the present embodiment
  • FIG. 2 is a bottom view of the ventilator 30.
  • the ventilation device 30 includes a box 1, a blower 2, and an adapter 3.
  • the box 1 has a box shape with at least one surface opened, and the material is metal or resin.
  • the box 1 includes a top surface 1a, a bottom surface 1b, a first side surface 1c, a second side surface 1d, a front surface 1e, and a rear surface 1f.
  • the top surface 1a faces the bottom surface 1b.
  • the first side surface 1c faces the second side surface 1d.
  • the front surface 1e faces the rear surface 1f.
  • the first side surface 1c and the second side surface 1d are connected between the top surface 1a and the bottom surface 1b.
  • the front surface 1e and the rear surface 1f are connected between the top surface 1a and the bottom surface 1b and are connected between the first side surface 1c and the second side surface 1d.
  • the bottom surface 1 b has a suction port 4.
  • the front surface 1 e has a blower outlet 5.
  • the first side surface 1c has a first guide member 12a.
  • the second side surface 1d has a second guide member
  • the ventilation device 30 is installed behind the ceiling so that the bottom surface 1b coincides with the surface of the ceiling board.
  • the bottom surface 1b faces vertically downward from the ceiling to the floor.
  • the suction port 4 is an opening formed in the bottom surface 1b.
  • the bottom surface 1b may be covered with a design panel having a double lattice structure. Intake into the box 1 is performed through a design panel having a double lattice structure (not shown).
  • the air outlet 5 is an opening formed in the front surface 1e.
  • the first guide member 12a is provided above the center of the first side surface 1c, that is, on the top surface 1a side.
  • the second guide member 12b is provided above the center of the second side surface 1d, that is, on the top surface 1a side.
  • the air outlet 5 communicates with the air inlet 4 through an exhaust air passage 6 formed in the box 1.
  • the blower unit 2 is disposed in the box 1 and guides air from the suction port 4 to the blower port 5.
  • the air blowing unit 2 includes a fan case (casing) 7, a motor 8, and a fan 9.
  • the fan case 7 forms the outline of the air blowing part 2 and is made of resin.
  • the fan case 7 has a substantially cylindrical shape including a top surface, a bottom surface, and an outer peripheral surface connected between the top surface and the bottom surface.
  • the bottom surface has an opening for sucking air.
  • the outer peripheral surface has an opening for discharging air.
  • the opening on the bottom surface of the fan case 7 is close to the suction port 4 of the box 1.
  • An opening on the outer peripheral surface of the fan case 7 communicates with the air outlet 5 of the box 1.
  • the fan case 7 has a circular scroll shape in a cross section parallel to the bottom surface.
  • the fan case 7 includes an orifice 10 on the bottom surface.
  • the orifice 10 is a resin member having an opening and having a cylindrical shape.
  • the opening of the orifice 10 is connected to the opening on the bottom surface of the fan case 7.
  • the orifice 10 is located upstream in the air flow direction of the blower unit 2 and is attached to the fan case 7 by a fixing means such as a screw.
  • the orifice 10 may be integrated with the fan case 7.
  • the motor 8 is disposed on the top surface side in the internal space of the fan case 7 and is attached by a fixing means such as a screw near the center of the circular scroll shape.
  • the motor 8 includes a rotating shaft that protrudes from the top surface of the fan case 7 toward the bottom surface. The motor 8 rotates the rotating shaft by supplying power. Electric power is supplied to the motor 8 through an electrical board (not shown).
  • the fan 9 is, for example, a sirocco fan fixed to the rotating shaft of the motor 8.
  • the fan 9 is activated by the rotation of the rotating shaft, and generates an air flow. That is, the air is guided from the suction port 4 to the blowout port 5 by driving the blower 2.
  • the electrical board is stored in an electrical board case 11 provided in the box 1 and is attached to the fan case 7 by fixing means such as screws (not shown).
  • the electrical board case 11 includes an electrical board base 11a made of flame retardant resin and an electrical board cover 11b made of flame retardant resin.
  • the electrical board is attached to the electrical board base 11a by fixing means such as screws.
  • the electrical board cover 11b is attached to the electrical board base 11a by fixing means such as screws.
  • the adapter 3 is arranged on the front surface 1e of the box 1.
  • the adapter 3 includes an adapter plate 19, a duct connection portion 20, a first guide portion 3a, and a second guide portion 3b.
  • the adapter plate 19 is a flat plate made of, for example, resin having substantially the same size as the front surface 1e of the box 1.
  • the adapter plate 19 is provided on the downstream side of the air outlet 5 of the box 1.
  • the adapter plate 19 may be made of metal.
  • the duct connecting portion 20 is erected from the adapter plate 19 toward the downstream side, and has a rectangular shape on the upstream side and a cylindrical shape on the downstream side.
  • the duct connection part 20 is connected to the outlet 5 and guides the exhaust gas blown out from the box 1 to the duct.
  • the duct connection unit 20 is connected to an indoor side end of a duct that communicates indoors and outdoors, so that the exhaust of the ventilation device 30 can be discharged to the outdoors.
  • the first guide portion 3a is configured by, for example, bending the side surface of the adapter plate 19 at two locations as shown in a simplified top view 40 in FIG. Specifically, the first guide portion 3a includes a first piece 3c extending from the adapter plate 19 in parallel to the first side surface 1c, and a second piece 3d extending from the first piece 3c perpendicularly to the first side surface 1c. Prepare.
  • the first guide portion 3a has a concave shape 41 when the adapter 3 is viewed from above (as viewed from above in FIG. 1).
  • the 1st guide part 3a makes the 1st guide member 12a provided in the 1st side surface 1c contact the inner peripheral wall 3f of the recess 3e in the concave shape 41, and guides it to an up-down direction.
  • the box 1 is guided by the adapter 3.
  • the box 1 guides the adapter 3 in the vertical direction by the sliding structure of the first guide portion 3a and the first guide member 12a.
  • the 2nd guide part 3b has the same structure as the 1st guide part 3a.
  • the first guide portion 3a is a first guide rail that slidably receives the first guide member 12a.
  • the second guide portion 3b is a second guide rail that slidably receives the second guide member 12b.
  • the 2nd guide part 3b is distribute
  • FIGS. 3 is a side view of the first guide member 12a
  • FIG. 4 is a rear perspective view of the first guide member 12a.
  • the second guide member 12b has the same structure as the first guide member 12a.
  • the first guide member 12a is integrally formed of a resin having elasticity.
  • the first guide member 12a has a prismatic shape in which a trapezoidal front surface 12c and a trapezoidal back surface 12d are overlapped. That is, the first guide member 12a has a trapezoidal shape when viewed from above and from below.
  • the back surface 12d includes a long side 12f and a short side 12g parallel to the long side 12f.
  • the trapezoidal shape is a quadrilateral having at least a pair of opposite sides parallel to each other. However, in the present embodiment, it is not necessary to be a strict quadrilateral, and the corner may have a certain roundness.
  • the first guide member 12a has a bulging shape 12e on the front surface 12c and an arch shape 15 on the back surface 12d.
  • the surface center portion 12j bulges by a height of 12k compared to the first surface end portion 12h and the second surface end portion 12i in a side view from the long side 12f side of the first guide member 12a.
  • the bulging shape 12e gradually increases in height from the first surface end portion 12h and the second surface end portion 12i to the surface center portion 12j, that is, has a smooth mountain shape.
  • the arch shape 15 has a back surface central portion 12n from the back surface 12d to the front surface 12c side as compared to the first back surface end portion 12l and the second back surface end portion 12m.
  • the shape is recessed by a height 15a.
  • the dent gradually increases from the first back surface end portion 12l and the second back surface end portion 12m to the back surface center portion 12n, that is, a smooth dent.
  • the first guide member 12a includes a first protrusion 13a, a second protrusion 13b, and a third protrusion 13c on the back surface 12d.
  • Three or more protrusions are provided in the longitudinal direction of the back surface 12d.
  • a protruding portion 13c is provided.
  • the first side surface 1c of the box 1 has a first engagement hole 32a, a second engagement hole 32b, and a third engagement hole 32c.
  • the first protrusion 13a, the second protrusion 13b, and the third protrusion 13c engage with the first engagement hole 32a, the second engagement hole 32b, and the third engagement hole 32c, respectively.
  • ⁇ Three or more protrusions are configured with non-uniform spacing between adjacent protrusions.
  • non-uniform means that the interval (distance) is different.
  • the distance X between the first protrusion 13a and the second protrusion 13b is shorter than the distance Y between the second protrusion 13b and the third protrusion 13c.
  • the 2nd protrusion part 13b has an aperture shape, and is arrange
  • the throttle shape refers to a shape in which the tip of the shaft in the rod shape is configured to be larger than the shaft, and is narrowed in the axial direction from the tip of the shaft.
  • the tip portion is large and refers to a shape that is narrowed from the tip portion in the axial direction.
  • the 1st protrusion part 13a and the 3rd protrusion part 13c are not provided with an aperture shape.
  • the 2nd protrusion part 13b is provided with the 2nd support
  • the second support column 14a has a base end 14g connected to the back surface 12d and a tip 14h opposite to the base end 14g.
  • pillar part 14a is a cylinder which stands up in the direction away from the back surface 12d.
  • pillar part 14a has a 1st outer diameter.
  • the second engagement hole 32b has a second inner diameter.
  • the first outer diameter of the second support column 14a is substantially the same as the second inner diameter of the second engagement hole 32b.
  • the front end portion 14b is connected to the front end 14h of the second support column portion 14a.
  • the distal end portion 14b has a second outer diameter that is larger than the first outer diameter.
  • the distal end portion 14b has a truncated cone shape including a bottom surface connected to the distal end 14h of the second support column portion 14a and an upper surface parallel to the bottom surface.
  • the bottom surface of the distal end portion 14b has a second outer diameter.
  • the upper surface of the tip portion 14b has a third outer diameter.
  • the second outer diameter of the tip portion 14b is larger than the second inner diameter of the second engagement hole 32b.
  • the third outer diameter of the distal end portion 14b is smaller than the second inner diameter of the second engagement hole 32b.
  • the notch portion 14c is provided from the tip end of the tip end portion 14b toward the second support column portion 14a.
  • the 2nd protrusion part 13b is resin-molded.
  • the notch portion 14c divides the second projecting portion 13b into a portion on the short side 12g side and a portion on the long side 12f side, thereby forming a pair of upright pieces 14d and 14f.
  • the pair of upright pieces 14d and 14f can be temporarily inclined so as to approach each other. By inclining in this way, it is possible to temporarily make the second outer diameter of the bottom surface of the truncated cone substantially equal to or shorter than the second inner diameter of the second engagement hole 32b. Become.
  • the first protrusion 13a includes a first support column 16a and a first small protrusion 16b.
  • the 3rd projection part 13c is provided with the 3rd support
  • the first support column 16a is a cylinder that is connected to the back surface 12d and stands up in a direction away from the back surface 12d.
  • the first support column 16a has a first outer diameter that is substantially the same as the first inner diameter of the first engagement hole 32a.
  • the first small protrusion 16b is a protrusion extending from the vicinity of the tip of the first support column 16a along the direction from the long side 12f to the short side 12g.
  • the first support column 16a is inserted into the first engagement hole 32a.
  • the 1st small projection part 16b is located in the box 1, and is located outside the inner peripheral surface of the 1st engagement hole 32a. Thereby, the 1st small projection part 16b functions as a retaining.
  • the third support column 16c has the same structure as the first support column 16a.
  • the third small protrusion 16d of the third support column 16c protrudes in the same direction as the first small protrusion 16b of the first support column 16a.
  • FIGS. 5 is a side view of the box body 1 showing a state where the first guide member 12a is removed
  • FIG. 6 is a side view of the box body 1 showing a state where the first guide member 12a is attached.
  • the box 1 has a lower portion 1h closer to the bottom surface 1b than the central portion 1g between the top surface 1a and the bottom surface 1b, and an upper portion 1i closer to the top surface 1a than the central portion 1g. .
  • the first side surface 1c includes three or more engagement holes in the upper portion 1i.
  • the second side surface 1d has the same structure as the first side surface 1c.
  • the first side surface 1c includes a first engagement hole 32a, a second engagement hole 32b, and a third engagement hole 32c.
  • the three or more engagement holes are configured to be non-uniform so that the intervals between the adjacent engagement holes correspond to the intervals of the three or more protrusions, similarly to the three or more protrusions. That is, the distance X between the first engagement hole 32a and the second engagement hole 32b is the same as the distance X between the first protrusion 13a and the second protrusion. The distance Y between the second engaging part 32b and the third engaging part 32c is the same as the distance Y between the second protruding part 13b and the third protruding part 13c.
  • the first protrusion 13a is fitted into the first engagement hole 32a.
  • the second protrusion 13b is fitted into the second engagement hole 32b.
  • the 3rd protrusion part 13c fits in the 3rd engagement hole 32c.
  • the long side 12 f of the first guide member 12 a is positioned in parallel to the first end side 1 j of the box 1.
  • the first end side 1j is located between the front surface 1e and the first side surface 1c and extends from the top surface 1a to the bottom surface 1b.
  • the three or more engagement holes can be arranged such that the long side 12f of the back surface 12d coincides with the first end side 1j of the adapter 3, but the short side of the back surface 12d is the first end side of the adapter 3. It becomes impossible to arrange in accordance with 1j. With this special shape, there is no fear that the mounting direction of the first guide member 12a that exhibits the effects described later is mistaken.
  • the first back surface end portion 12l and the second back surface end portion 12m of the first guide member 12a are in close contact with the first side surface 1c due to the arch shape 15 described above.
  • the distal end portion 14b of the second projecting portion 13b is temporarily deformed to penetrate the second engagement hole 32b.
  • the deformation of the distal end portion 14b is eliminated inside the box 1.
  • the bottom surface in the truncated cone shape of the tip end portion 14b is engaged with the first side surface 1c from the inside of the box 1, and the second projecting portion 13b is fixed to the second engagement hole 32b.
  • the first protrusion 13a and the third protrusion 13c also penetrate the first engagement hole 32a and the third engagement hole 32c, respectively.
  • the first small protrusion 16b and the third small protrusion 16d are engaged with the first side surface 1c from the inside of the box 1.
  • the 1st guide member 12a is fixed to the 1st side 1c so that rotation is impossible.
  • the first back surface end portion 12l and the second back surface end portion 12m of the first guide member 12a are always urged toward the first side surface 1c and closely contact each other.
  • the concave shape 41 the first guide member 12a is not caught by the first guide portion 3a and is smooth. It can be inserted into the hood and workability can be improved.
  • the first guide member 12 a has a trapezoidal shape, and the long side 12 f is positioned in parallel with the first end side 1 j of the box 1. That is, the first guide member 12a has a tapered shape 31 toward the upper side. Thereby, the 1st guide member 12a can be smoothly inserted in the 1st guide part 3a, and can improve workability.
  • the first guide member 12a has a trapezoidal shape
  • the adapter 3 is pulled toward the box 1 by the tapered shape 31. That is, since the degree of adhesion between the adapter 3 and the box 1 is increased, airtightness can be ensured even when a duct load is applied.
  • the first guide member 12a has a bulging shape 12e.
  • the second guide member 12b has a bulging shape. That is, when the first guide member 12a and the second guide member 12b are inserted into the first guide portion 3a and the second guide portion 3b, respectively, the adapter 3 is pulled in the left-right direction as viewed from the front of the air outlet 5. become. Thereby, the wobbling of the adapter 3 and the box 1 in the left-right direction does not occur, the degree of adhesion between the adapter 3 and the box 1 is increased, and the airtightness can be improved.
  • FIG. 7 is a rear perspective view of the first guide member 28 according to the second embodiment.
  • the first guide member 28 is a modification of the first guide member 12a shown in the first embodiment.
  • the difference between the first guide member 28 and the first guide member 12a is the shape of the protruding portion, and the other portions are common.
  • the first guide member 28 includes a first protrusion 29a, a second protrusion 29b, and a third protrusion 29c on the back surface 12d.
  • Three or more protrusions are provided in the longitudinal direction of the back surface 12d.
  • Three or more protrusions are configured so that the distance between adjacent protrusions is not uniform.
  • the first protrusion 29a includes a first support column 21a and a first small protrusion 22a.
  • the second protrusion 29 b includes a second support column 21 b and a second small protrusion 24.
  • the 3rd projection part 29c is provided with the 3rd support
  • the first support column 21a is a cylinder that is connected to the back surface 12d and stands up in a direction away from the back surface 12d.
  • the first support column 21a has a first outer diameter that is substantially the same as the first inner diameter of the first engagement hole 32a.
  • the first small protrusion 22a is a protrusion extending from the vicinity of the tip of the first support column 21a along the direction from the long side 25 toward the short side 23.
  • the third support column 21c has the same structure as the first support column 21a.
  • the third small protrusion 22c has the same structure as the first small protrusion 22a.
  • first small protrusion 22a protrudes in the same direction as the third small protrusion 22c.
  • first small protrusion 22 a and the third small protrusion 22 c protrude in the outer peripheral direction from the short side 23.
  • the second protrusion 29b is sandwiched between the first protrusion 29a and the third protrusion 29c.
  • pillar part 21b stands up from the back surface 12d.
  • the second small protrusion 24 is a protrusion extending in the opposite direction to the first small protrusion 22a. Specifically, it extends toward the long side 25 in the trapezoidal shape (downward direction in FIG. 7).
  • the second protruding portion 29b includes an inclined surface 26 in which the short side 23 side of the second support column portion 21b is inclined in the long side 25 side, that is, in the direction opposite to the short side 23, from the proximal end portion 26a toward the distal end portion 26b. .
  • the above is the detailed structure of the first guide member 28.
  • the second guide member has a similar shape.
  • the tips of the first small protrusion 22a and the third small protrusion 22c are first engagement holes 32a and third engagement holes. 32c.
  • the back surface 12d of the first guide member 28 forms an acute angle rather than parallel to the first side surface 1c. From this state, when the back surface 12d is brought closer to be parallel to the first side surface 1c, the first support column 21a and the third support column 21c of the first protrusion 29a and the third protrusion 29c are respectively The first engagement hole 32a and the third engagement hole 32c are inserted.
  • the tip end portion 26b on the short side 23 side of the second projecting portion 29b does not contact the first side surface 1c. That is, the tip 26b of the second protrusion 29b is inserted into the second engagement hole 32b without bending the second support column 21b of the second protrusion 29b.
  • the second small protrusion 24 of the second protrusion 29b collides with the inner peripheral surface of the second engagement hole 32b, and the second In a state where the column portion 21b is bent toward the short side 23, the second small protrusion portion 24 passes through the second engagement hole 32b.
  • the second support column 21b recovers from the bent state, and in this state, the second protrusion 29b is completely inserted into the second engagement hole 32b.
  • the first protrusion 29a, the second protrusion 29b, and the third protrusion 29c are inserted into the first engagement hole 32a, the second engagement hole 32b, and the third engagement hole 32c, respectively.
  • the first small protrusion 22 a, the second small protrusion 24, and the third small protrusion 22 c are located in the box 1.
  • the second small protrusion 24 stands upright in the opposite direction to the first small protrusion 22a and the third small protrusion 22c.
  • the first small protrusion 22a, the second small protrusion 24, and the third small protrusion 22c function as a detent and prevent the first guide member 28 from coming off from the engagement hole and firmly fix it. be able to.
  • the fan case 7 includes a main body portion 7a and a first guide member 34 connected to the main body portion 7a.
  • the first guide member 34 is formed integrally with the main body portion 7a.
  • the first guide member 34 includes a connecting portion 34a connected to the main body portion 7a and a protruding portion 34b connected to the connecting portion 34a.
  • the first side surface 1c of the box 1 is provided with a through hole 35 through which the protrusion 34b passes. As shown in FIG. 8, the protrusion 34 b protrudes outside through the through hole 35.
  • FIG. 10 is a front view of the protrusion 34b.
  • FIG. 11 is a perspective view of the protrusion 34b.
  • the fan case 7 is classified into a main body portion 7a, a connecting portion 34a, and a protruding portion 34b.
  • the connecting portion 34a is a portion that connects the main body portion 7a and the protruding portion 34b.
  • the connection part 34a is extended from the blower outlet 5 edge part so that it may become parallel to the 1st side surface 1c, for example. That is, the connection part 34a is extended perpendicularly
  • the protrusion 34b is an elastic resin and is integrally formed with the main body 7a.
  • the protrusion 34b functions as a first guide member by penetrating the through hole 35 of the box 1 and protruding outside the box 1.
  • a space 38 is provided between the protruding portion 34b and the main body portion 7a. Specifically, it has a shape obtained by removing the side of the protruding portion 34b from the sides formed by the main body portion 7a, the connecting portion 34a, and the protruding portion 34b. That is, the protrusion 34 b is separated from the main body 7 a via the space 38.
  • the protrusion 34 b includes a straight portion 37 and a curved portion 36.
  • the straight portion 37 extends from the connecting portion 34a toward the top surface 1a and has elasticity in a direction toward the first side surface 1c.
  • the bending portion 36 projects from the vicinity of the tip of the linear portion 37 toward the first side surface 1 c and guides the adapter 3 while penetrating the through hole 35. That is, the straight portion 37 extends perpendicularly to the adapter plate 19 in the bottom view in the vicinity of the air outlet 5.
  • the curved portion 36 extends parallel to the adapter plate 19.
  • the bending portion 36 includes a base end portion 36c coupled to the connection portion 34a and a tip end portion 36d closer to the top surface 1a than the base end portion 36c.
  • the curved portion 36 includes an upper curved surface 36b and a lower curved surface 36a connected to the upper curved surface 36b.
  • the bulging amount 36e gradually increases from the distal end portion 36d toward the proximal end portion 36c toward the first side surface 1c. That is, in the upper curved surface 36b, the bulging amount 36e gradually increases toward the first side surface from the top end portion 36d on the top surface side toward the connection portion 21a side.
  • the lower curved surface 36a is connected to the upper curved surface 36b at the top where the bulging amount 36e is maximum.
  • the bulging amount 36e gradually toward the first side surface 1c from the distal end portion 36d toward the proximal end portion 36c decreases. That is, in the lower curved surface 36a, the bulging amount 36e gradually moving toward the first side surface from the distal end portion 36d toward the connecting portion 21a becomes smaller. That is, the bending portion 36 increases in height so as to be away from the blowout port 5 toward the base end portion 36c from the distal end portion 36d, has a maximum height at the top portion, and blows out from the top portion toward the base end portion 36c. The height becomes smaller so as to approach 5.
  • the first guide member 34 has an integral structure with the fan case 7 and does not require any additional guide member or additional processing to the box even when a guide is required as in the present embodiment.
  • the material itself is a resin
  • the shape after molding has a high degree of freedom, and the shape can be freely changed at the design stage according to the application.
  • the protrusion 34b protrudes from the through hole 35 provided in the box 1. Therefore, the protrusion 34b does not fit inside the box 1 when the blower 2 is inserted into the box 1 in the vertical direction from the lower surface when assembled.
  • the first side surface 1c biases the protrusion 34b (particularly the linear portion 37 having elasticity).
  • a space 38 is formed between the protrusion 34b and the main body 7a. Thereby, the protrusion 34b can be elastically deformed inside the first side surface 1c of the box 1. In other words, the protrusion 34b bends in the direction of the main body 7a.
  • the box 1 and the blower 2 can be assembled by pushing the protrusion 34b into the box 1 in a state where the protrusion 34b is pressed against the first side face 1c.
  • the protrusion 34 b is inserted into the through hole 35. That is, the protrusion 34b protrudes from the through hole 35.
  • the protrusion part 34b has expanded the allowable movable range of the elastic deformation to the 1st side surface 1c direction by the space 38 formed between the main-body part 7a and the protrusion part 34b.
  • attachment to the box 1 of the ventilation part 2 is accept
  • the curved portion 36 includes an upper curved surface 36b, and when the air blowing portion 2 is inserted into the box body 1, the upper curved surface 36b reduces the catch at the entrance of the box body 1 and enables smoother insertion. .
  • the protrusion 34 b When the fan case 7 is attached inside the box 1, the protrusion 34 b is inserted into the through hole 35 provided in the first side face 1 c, so that it is possible to prevent an attachment position error. Since the adapter 3 is attached to the predetermined position of the box 1 along the projection part 34b, the adhesiveness of the adapter 3 and the blower outlet 5 vicinity can be improved.
  • the protrusion 34b can guide the adapter 3 to a predetermined position by contacting the inner peripheral wall 3f of the first guide portion 3a of the adapter 3.
  • the adapter 3 is attached to the box 1 while being pulled in the opposite direction of the first guide member 34 by the upper curved surface 36b of the first guide member 34 during assembly.
  • the opposite direction here refers to the outer peripheral direction of the adapter 3.
  • the first guide portion 3a has a shape as shown in the simplified top view 40 of FIG.
  • the 1st guide part 3a functions as a stopper when the adapter 3 is attached by said flow.
  • the box 1 includes a through hole 35 in the upper part 1i on the first side surface 1c. Accordingly, as shown in FIG. 8, the protrusion 34 b is also positioned on the upper portion 1 i of the box 1.
  • the ceiling material may become a shield for the installer.
  • the installer can visually check whether the projecting portion 34 b can be inserted into the first guide portion 3 a of the adapter 3.
  • the protrusion 34b penetrates the through hole 35.
  • the protruding portion 34b contacts and guides the inner peripheral wall 3f of the first guide portion 3a provided on the adapter 3. With the protrusion 34b inserted into the inner peripheral wall 3f of the first guide part 3a, the box 1 is lifted so that the protrusion 34b slides on the inner peripheral wall 3f of the first guide part 3a, and the first guide part 3a. Can be attached to the box 1 at a predetermined position. As a result, smooth attachment is possible, and workability can be improved.
  • the deformation of the protrusion 34b is an elastic deformation, and since it tries to return to the state before being pushed in after being inserted into the box body 1, it comes into contact with the inner wall of the first side surface 1c of the box body 1. In a state where the first side surface 1c is in contact with the inner wall and a force is applied from the inner wall side to the outer wall side, the first side surface 1c is moved and assembled in the vertical direction. Since the protruding portion 34 b is provided with the curved portion 36, the inner wall of the first side surface 1 c is not easily damaged when the air blowing portion 2 is attached to and detached from the box body 1.
  • the upper curved surface 36b can reduce the possibility of being caught by burrs.
  • the protrusion 34b includes a lower curved surface 36a as described above.
  • the vibration generated from the blower is mainly generated in the blower unit 2.
  • the fan case 7 of the blower unit 2 and the integrally formed protrusion 34b pass through the through hole 35 of the box 1 and contact the inner peripheral wall 3f of the first guide 3a of the adapter 3.
  • the adapter 3, the box 1 and the fan case 7 are fixed by screws or the like (not shown). Therefore, by transmitting the vibration generated from the blower unit 2 to the adapter 3, the vibration in the box 1 can be reduced.
  • the fan case 7 is fixed to the lower part 1h of the box 1.
  • the through hole 35 is provided in the upper part 1 i of the box 1.
  • the fan case 7 and the box 1 are fixed at the lower part of the box 1, and are also fixed at the upper part by the through hole 35 and the protrusion 34b, so that the connection is more stable.
  • the ventilator according to the present invention is useful as a ventilator in which an adapter and a box are independently configured to improve workability and improve airtightness.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)

Abstract

La présente invention concerne un dispositif de ventilation qui est pourvu de : un corps de boîte (1) comportant un premier élément de guidage (12a) et un deuxième élément (12b) ; et un adaptateur (3) fixé au corps de boîte (1) de façon à faire face à la surface avant (1e). L'adaptateur (3) est guidé vers le premier élément de guidage (12a) et le deuxième élément de guidage (12b) par coulissement depuis le côté de surface supérieure vers le côté de surface inférieure du corps de boîte (1). L'adaptateur (3) est pourvu de : une première section de guidage (3a) ayant une forme évidée et guidée par le premier élément de guidage (12a) ; et une deuxième section de guidage (3b) ayant une forme évidée et guidée par le deuxième élément de guidage (12b). Le premier élément de guidage (12a) et le deuxième élément de guidage (12b) guident l'adaptateur tout en venant en contact avec les parois périphériques internes concaves des formes évidées.
PCT/JP2019/008499 2018-03-13 2019-03-05 Dispositif de ventilation WO2019176627A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2018044866 2018-03-13
JP2018-044866 2018-03-13
JP2018176749A JP2020046150A (ja) 2018-09-21 2018-09-21 換気装置
JP2018-176749 2018-09-21
JP2018-235016 2018-12-17
JP2018235016A JP2019158325A (ja) 2018-03-13 2018-12-17 換気装置

Publications (1)

Publication Number Publication Date
WO2019176627A1 true WO2019176627A1 (fr) 2019-09-19

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Application Number Title Priority Date Filing Date
PCT/JP2019/008499 WO2019176627A1 (fr) 2018-03-13 2019-03-05 Dispositif de ventilation

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WO (1) WO2019176627A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05164374A (ja) * 1991-12-19 1993-06-29 Sanyo Electric Co Ltd ダクト用換気扇
JPH08338652A (ja) * 1995-06-15 1996-12-24 Toshiba Corp ダクト用換気扇
JP2003065582A (ja) * 2001-08-22 2003-03-05 Matsushita Seiko Co Ltd 換気装置
JP2004340556A (ja) * 2003-05-19 2004-12-02 Sanyo Electric Co Ltd 換気扇
JP2005291315A (ja) * 2004-03-31 2005-10-20 Strawberry Corporation スライド構造並びにスライド構造を用いた電子機器
JP2009186060A (ja) * 2008-02-05 2009-08-20 Panasonic Corp 換気装置
JP2011085354A (ja) * 2009-10-16 2011-04-28 Max Co Ltd 送風装置の施工方法及び送風装置
JP2013185807A (ja) * 2012-03-12 2013-09-19 Mitsubishi Electric Corp 換気装置
CN104742704A (zh) * 2015-03-30 2015-07-01 安徽江淮汽车股份有限公司 一种汽车天窗总成

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05164374A (ja) * 1991-12-19 1993-06-29 Sanyo Electric Co Ltd ダクト用換気扇
JPH08338652A (ja) * 1995-06-15 1996-12-24 Toshiba Corp ダクト用換気扇
JP2003065582A (ja) * 2001-08-22 2003-03-05 Matsushita Seiko Co Ltd 換気装置
JP2004340556A (ja) * 2003-05-19 2004-12-02 Sanyo Electric Co Ltd 換気扇
JP2005291315A (ja) * 2004-03-31 2005-10-20 Strawberry Corporation スライド構造並びにスライド構造を用いた電子機器
JP2009186060A (ja) * 2008-02-05 2009-08-20 Panasonic Corp 換気装置
JP2011085354A (ja) * 2009-10-16 2011-04-28 Max Co Ltd 送風装置の施工方法及び送風装置
JP2013185807A (ja) * 2012-03-12 2013-09-19 Mitsubishi Electric Corp 換気装置
CN104742704A (zh) * 2015-03-30 2015-07-01 安徽江淮汽车股份有限公司 一种汽车天窗总成

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