WO2021100164A1 - 空気調和機の室内機ユニット用の懸吊装置、空気調和機の室内機、及び空気調和機の室内機の据付方法 - Google Patents

空気調和機の室内機ユニット用の懸吊装置、空気調和機の室内機、及び空気調和機の室内機の据付方法 Download PDF

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Publication number
WO2021100164A1
WO2021100164A1 PCT/JP2019/045569 JP2019045569W WO2021100164A1 WO 2021100164 A1 WO2021100164 A1 WO 2021100164A1 JP 2019045569 W JP2019045569 W JP 2019045569W WO 2021100164 A1 WO2021100164 A1 WO 2021100164A1
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WO
WIPO (PCT)
Prior art keywords
plate portion
hanging
bolt
air
suspension
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Application number
PCT/JP2019/045569
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English (en)
French (fr)
Japanese (ja)
Inventor
圭介 大石
Original Assignee
三菱電機株式会社
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
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2021558111A priority Critical patent/JP7380707B2/ja
Priority to PCT/JP2019/045569 priority patent/WO2021100164A1/ja
Publication of WO2021100164A1 publication Critical patent/WO2021100164A1/ja

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling

Definitions

  • the present invention relates to a suspension device for the indoor unit of an air conditioner that suspends the indoor unit of the air conditioner on the ceiling, an indoor unit of the air conditioner, and a method of installing the indoor unit of the air conditioner.
  • a suspension bolt fixed to a ceiling slab and a pair of nuts are used to fasten and fix the upper surface, and a main body suspension bolt and a pair of nuts are fixed to the main body of the air conditioner.
  • It is provided with an adjusting device provided with a lower surface to be fastened and fixed.
  • a hole for the main body hanging bolt forming a long hole is formed on the lower surface of this adjusting device, and it was inserted into the main body hanging bolt hole when the installation work of suspending the main body of the air conditioner from the ceiling slab was performed.
  • the main body hanging bolt By moving the main body hanging bolt in the direction in which the elongated hole of the main body hanging bolt hole extends, the hanging position of the main body of the air conditioner is adjusted (see, for example, Patent Document 1).
  • the present invention has been made to solve the above-mentioned problems, and is an air conditioner suspension device for an indoor unit of an air conditioner capable of alleviating a weight load and stress concentration on a fixed portion.
  • An object of the present invention is to provide a method for installing an indoor unit and an indoor unit of an air conditioner.
  • the suspension fitting of the suspension device for the indoor unit of the air conditioner according to the present invention includes an upper plate portion and a lower plate portion, and is fixed to the housing of the indoor unit unit with respect to the upper plate portion.
  • the first suspension bolt is fixed
  • the second suspension bolt fixed to the ceiling is fixed
  • the first suspension bolt and the second suspension bolt are also fixed to the lower plate portion.
  • the indoor unit of the air conditioner according to the present invention is provided with hanging metal fittings for connecting the four first hanging bolts and the four second hanging bolts, respectively, and the hanging metal fittings are provided with an upper plate portion and a lower plate portion.
  • the first hanging bolt fixed to the housing of the indoor unit is fixed to the upper plate part
  • the second hanging bolt fixed to the ceiling is fixed to the lower plate part.
  • the first hanging bolt and the second hanging bolt are fixed.
  • the method of installing the indoor unit of the air conditioner according to the present invention is to fix the first hanging bolt and the second hanging bolt to the hanging metal fitting, and then fix the first hanging bolt to the housing.
  • the suspension device for the indoor unit of the air conditioner according to the present invention includes a portion where the upper plate portion and the lower plate portion of the suspension metal fitting are fixed to the first suspension bolt fixed to the housing, and a lower plate portion. It has two fixing points, one for fixing and the other for fixing, and for the second hanging bolt fixed to the ceiling, the upper plate and the lower plate of the hanging bracket are fixed. Since it has two fixing points, the weight load and stress are distributed and applied to these four fixing points, so that the weight load and stress concentration applied to one fixing point can be relaxed.
  • the first hanging bolt fixed to the housing is fixed to the upper plate portion of the hanging bracket and the lower plate portion of the hanging bracket.
  • the second hanging bolt which has two fixing points and is fixed to the ceiling, is also fixed to the upper plate part of the hanging metal fitting and the lower plate part of the hanging metal fitting. Since it has two fixing points, the weight load and stress are distributed and applied to these four fixing points, so that the weight load and stress concentration applied to one fixing point can be relaxed.
  • the method for installing the indoor unit of the air conditioner according to the present invention is to fix the first hanging bolt and the second hanging bolt to the hanging metal fitting, and then fix the first hanging bolt to the housing. Can be easily performed.
  • Embodiment 1 of this invention It is a side view of the indoor unit which shows Embodiment 1 of this invention. It is a perspective view of the indoor unit unit used in Embodiment 1 of this invention. It is sectional drawing of the indoor unit unit used in Embodiment 1 of this invention. It is a perspective view of the indoor unit which shows Embodiment 1 of this invention. It is a top view of the indoor unit which shows Embodiment 1 of this invention. It is a perspective view of the hanging metal fitting used in Embodiment 1 of this invention. It is a top view of the hanging metal fitting used in Embodiment 1 of this invention. It is a side view of the hanging metal fitting used in Embodiment 1 of this invention.
  • Embodiment 1 of this invention It is a perspective view of the suspension device which shows Embodiment 1 of this invention. It is a side view of the suspension device which shows Embodiment 1 of this invention. It is a side view of the suspension device which shows the comparative example of Embodiment 1 of this invention. It is a side view of the suspension device which shows the comparative example of Embodiment 1 of this invention. It is a side view of the suspension device which shows Embodiment 2 of this invention. It is a perspective view of the hanging metal fitting used in Embodiment 2 of this invention. It is a side view of the suspension device which shows Embodiment 3 of this invention. It is a perspective view of the hanging metal fitting used in Embodiment 3 of this invention.
  • FIG. 1 is a side view showing the indoor unit 13 of the air conditioner.
  • FIG. 2 is a perspective view of the indoor unit unit 14 looking up from below.
  • FIG. 3 is a side sectional view of the indoor unit unit 14.
  • FIG. 4 is a perspective view showing the indoor unit 13 of the air conditioner suspended from the ceiling slab S.
  • FIG. 5 is a plan view of the indoor unit 13 of the air conditioner.
  • the indoor unit 13 is embedded in the ceiling C of the room which is the space to be air-conditioned.
  • the indoor unit 13 is suspended and fixed to the ceiling slab S so as to be arranged in the space between the ceiling slab S and the ceiling C.
  • the indoor unit 13 includes a suspension device 11 for the indoor unit of the four air conditioners and an indoor unit 14.
  • the indoor unit 13 is a four-way ceiling cassette type indoor unit.
  • the indoor unit unit 14 includes an indoor unit main body 20 and a decorative panel 22.
  • the indoor unit main body 20 includes a housing 12, a blower 15, a heat exchanger 16, and a mounting bracket 19.
  • the housing 12 includes an upper wall portion 12a and a side wall portion 12b.
  • One suction port 12c and four outlets 12d are formed below the housing 12.
  • the suction port 12c is formed in the center so as to form, for example, a quadrangular shape.
  • Each outlet 12d is open so as to surround the four sides of the suction port 12c.
  • the indoor unit main body 20 and the decorative panel 22 are detachably configured so that maintenance of internal equipment can be easily performed.
  • a blower 15 and a heat exchanger 16 are housed in the housing 12.
  • the blower 15 is a centrifugal fan such as a turbo fan.
  • the blower 15 is fixed to the center of the upper wall portion 12a.
  • the blower 15 includes a rotating shaft 15a, and the rotating shaft 15a is arranged along the vertical direction. By rotationally driving the blower 15, the air in the air-conditioned space is sucked in from below the decorative panel 22.
  • the heat exchanger 16 is, for example, a fin-and-tube type heat exchanger.
  • the heat exchanger 16 is arranged so as to cover the outer periphery of the blower 15, and is arranged so as to open a predetermined gap K from the side wall portion 12b of the housing 12.
  • the heat exchanger 16 exchanges heat between the refrigerant flowing inside and the air in the air-conditioned space sucked into the indoor unit unit 14 by the blower 15.
  • Installation brackets 19 are fixed to the four corners of the lower surface of the housing 12. As shown in FIGS. 3 and 4, the installation metal fitting 19 includes a fastening portion 19a that projects laterally from the side wall portion 12b of the housing 12. The fastening portion 19a has a bifurcated shape because a notch is formed at the tip end portion of the mounting bracket 19. The installation metal fitting 19 is used to suspend and install the indoor unit unit 14 on the ceiling slab S by fastening and fixing it to the suspension device 11 described later.
  • the decorative panel 22 is formed so as to form a square plate.
  • the outer shape of the decorative panel 22 is formed so as to be larger than the outer shape of the housing 12.
  • the decorative panel 22 is formed with one suction port 22a and four outlets 22b.
  • the suction port 22a is formed in the center of the decorative panel 22 so as to form, for example, a quadrangular shape.
  • Each outlet 22b is open so as to surround the four sides of the suction port 22a.
  • Each outlet 22b is formed on the decorative panel 22 so as to face the above-mentioned void K.
  • Each outlet 22b has, for example, a rectangular shape, and is formed on the decorative panel 22 so that its long side follows each side of the decorative panel 22.
  • the decorative panel 22 is provided with vertical wind direction adjusting mechanisms 17 (only two are shown in FIG. 3) at positions corresponding to the respective outlets 22b.
  • Each vertical wind direction adjusting mechanism 17 adjusts the vertical angle of the air sent into the room from each air outlet 22b.
  • the air flow of the indoor unit 13 having such a configuration will be described with reference to FIG.
  • the blower 15 is rotationally driven, the air in the air-conditioned space is sucked into the indoor unit unit 14 from the suction ports 22a and 12c.
  • the air in the air-conditioned space sucked into the indoor unit unit 14 exchanges heat with the refrigerant flowing through the heat exchanger 16 and then returns to the room from the outlets 12d and 22b.
  • one suspension device 11 includes a suspension bolt 25, a suspension bolt 26, a suspension bracket 27, and nuts 31, 32, 33, 34, 35 shown in FIGS. 1 and 9. It includes 36, 37, 38, 39, 40, 41, 42 and 43.
  • the suspension bolt 25 and the suspension bolt 26 are formed so that their axes form a straight line.
  • the hanging bolt 25 corresponds to the second hanging bolt of the present invention.
  • the hanging bolt 26 corresponds to the first hanging bolt of the present invention.
  • Nuts 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43 correspond to fixing means. As shown in FIG.
  • the ceiling slab S and the indoor unit unit 14 provided with the four installation fittings 19 are fastened and fixed via the four suspension devices 11. More specifically, a suspension bolt 25 constituting the suspension device 11 is fixed to the ceiling slab S.
  • the four hanging bolts 25 may be fixed directly to the ceiling instead of being fixed to the ceiling via the ceiling slab S.
  • the four suspension bolts 25 are arranged so that their axes are along the vertical direction.
  • nuts 31, 32, and 33 are fitted below the suspension bolts 26 that form the suspension device 11.
  • the nut 32 is arranged below the nut 31, and the nut 33 is arranged below the nut 32.
  • a hanging bolt 26 is inserted into the bifurcated portion of the fastening portion 19a of the mounting bracket 19, and the fastening portion 19a of the mounting bracket 19 is arranged between the pair of nuts 31 and 32.
  • the installation metal fittings 19 are fastened and fixed to the hanging bolts 26 by being tightened from above and below by the nuts 31 and 32.
  • the nut 33 is arranged below the nut 32, and the nut 32 and the nut 33 are fastened and fixed to each other to form a double nut.
  • the weight of the indoor unit unit 14 is added to the nut 32 as compared with the nut 31. Therefore, in order to suppress the deformation of the screw thread of the nut 32 due to the indoor unit unit 14 being suspended and installed for a long period of time, the nut 32 and the nut 33 form a double nut.
  • FIG. 6 is a perspective view of the hanging metal fitting 27.
  • FIG. 7 is a plan view of the hanging metal fitting 27.
  • FIG. 8 is a side view of the hanging metal fitting 27.
  • the hanging metal fitting 27 includes an upper plate portion 50, a lower plate portion 51, and a connecting portion 52 that connects the upper plate portion 50 and the lower plate portion 51.
  • the hanging metal fitting 27 is formed by bending two points of a rectangular metal plate at 90 degrees.
  • the upper plate portion 50, the lower plate portion 51, and the connecting portion 52 are each formed to form a rectangular plate.
  • the upper plate portion 50 and the connecting portion 52 are formed so as to form a 90 degree, and the connecting portion 52 and the lower plate portion 51 are formed so as to form a 90 degree.
  • the short side of the upper plate portion 50 and the short side of the connecting portion 52 are integrally connected, and the other short side of the connecting portion 52 and the short side of the upper plate portion 51 are integrally connected.
  • the short side to which the connecting portion 52 of the upper plate portion 50 is not connected is referred to as a short side 53.
  • the short side of the lower plate portion 51 to which the connecting portion 52 is not connected is referred to as a short side 54.
  • the plate-shaped upper plate portion 50 and the plate-shaped lower plate portion 51 are formed so as to be parallel to each other.
  • the upper plate portion 50 is arranged so as to be located above the lower plate portion 51.
  • a notch 55 is formed in the upper plate portion 50 from the short side 53 to the vicinity of the center in the longitudinal direction of the upper plate portion 50.
  • the length of the notch 55 is formed to be, for example, about four times the diameter of the hanging bolt 26.
  • the width of the notch 55 is formed to be larger than the diameter of the hanging bolt 26 and smaller than the width across flats of the nuts 34 and 35.
  • a circular hole 57 is formed at a position between the portion connected to the connecting portion 52 and the notch 55. The diameter of the circular hole 57 is formed to be larger than the diameter of the hanging bolt 25 and smaller than the width across flats of the nuts 39 and 40.
  • a notch 59 is formed in the lower plate portion 51 from the short side 54 to the vicinity of the center in the longitudinal direction of the lower plate portion 51.
  • the length of the notch 59 is formed to be, for example, about four times the diameter of the hanging bolt 26.
  • the width of the notch 59 is formed to be larger than the diameter of the hanging bolt 26 and smaller than the width across flats of the nuts 36 and 37.
  • the notch 59 and the notch 55 are formed so as to face each other.
  • a circular hole 61 is formed at a position between the portion connected to the connecting portion 52 and the notch 59.
  • the diameter of the circular hole 61 is formed to be larger than the diameter of the hanging bolt 25 and smaller than the width across flats of the nuts 42 and 43.
  • the circular hole 61 and the circular hole 57 are formed so as to face each other.
  • the lower plate portion 51 is formed with a bent portion 63 formed by bending upward at the tip portion on the short side 54 side.
  • FIG. 9 is a perspective view of the suspension device 11.
  • FIG. 10 is a side view of the suspension device 11.
  • hanging bolts 26 are arranged in a penetrating state in the notch 55 of the hanging metal fitting 27.
  • Nuts 34 and 35 are fitted to the hanging bolts 26.
  • a nut 35 is arranged below the nut 34.
  • the upper plate portion 50 is arranged between the pair of nuts 34 and 35, and is fastened from above and below by the nuts 34 and 35, so that the upper plate portion 50 is fastened and fixed to the suspension bolt 26.
  • a hanging bolt 26 is arranged in a penetrating state in the notch 59 of the hanging metal fitting 27.
  • Nuts 36, 37, and 38 are fitted to the hanging bolt 26.
  • the nut 37 is arranged below the nut 36, and the nut 38 is arranged above the nut 36.
  • the lower plate portion 51 is arranged between the pair of nuts 36 and 37, and is fastened from above and below by the nuts 36 and 37, so that the lower plate portion 51 is fastened and fixed to the suspension bolt 26.
  • the nut 38 is arranged above the nut 36, and the nut 36 and the nut 38 are fastened and fixed to each other to form a double nut.
  • the weight of the indoor unit unit 14 is added to the nut 36 as compared with the nut 37. Therefore, in order to suppress the deformation of the screw thread of the nut 36 due to the indoor unit unit 14 being suspended and installed for a long period of time, the nut 36 and the nut 38 form a double nut.
  • the nut 36 is caught by the bent portion 63 of the hanging metal fitting 27. It is possible to prevent the hanging bolt 26 from being displaced from the notch 59 of the hanging metal fitting 27.
  • the lengths of the notches 55 and 59 are formed to be, for example, about four times the diameter of the hanging bolt 26, the upper plate portion 50 and the lower plate portion 51 are formed in the longitudinal direction of the upper plate portion 50 and the lower plate portion 51. The positions of the lower plate portion 51 and the hanging bolts 26 can be adjusted with each other.
  • a hanging bolt 25 is arranged in a penetrating state in the circular hole 57 of the hanging metal fitting 27. Nuts 39, 40, and 41 are fitted to the hanging bolt 25.
  • the nut 40 is arranged below the nut 39, and the nut 41 is arranged below the nut 40.
  • the upper plate portion 50 is arranged between the pair of nuts 39 and 40, and is fastened from above and below by the nuts 39 and 40, so that the upper plate portion 50 is fastened and fixed to the hanging bolt 25.
  • the nut 41 is arranged below the nut 40, and the nut 40 and the nut 41 are fastened and fixed to each other to form a double nut.
  • the weight of the indoor unit unit 14 is added to the nut 40 as compared with the nut 39. Therefore, in order to suppress the deformation of the screw thread of the nut 40 due to the indoor unit unit 14 being suspended and installed for a long period of time, the nut 40 and the nut 41 form a double nut.
  • a hanging bolt 25 is arranged in a penetrating state in the circular hole 61 of the hanging metal fitting 27. Nuts 42 and 43 are fitted to the hanging bolt 25. A nut 43 is arranged below the nut 42. The lower plate portion 51 is arranged between the pair of nuts 42 and 43, and is fastened from above and below by the nuts 42 and 43, so that the lower plate portion 51 is fastened and fixed to the hanging bolt 25.
  • the hanging metal fitting 27 is arranged so as to be located above the upper surface of the indoor unit unit 14.
  • the four hanging metal fittings 27 used for suspending the indoor unit unit 14 are arranged so as to face each other on the left and right sides in FIGS. 1 and 5 so that the short sides 53 face each other. That is, even when the distance between the two hanging bolts 26 facing each other on the left and right is smaller than the distance between the two hanging bolts 25 facing each other on the left and right in FIGS. 1 and 5, the four hanging metal fittings 27 are used. As a result, the indoor unit 14 can be suspended from the four suspension bolts 25.
  • each hanging bolt 25, 26 is fixed to each hanging metal fitting 27 by using nuts 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, respectively (hereinafter, this fixing step is referred to as the first step. It is called one process).
  • each of the hanging bolts 26 is fixed to each of the installation fittings 19 of the indoor unit unit 14 by using the nuts 31, 32, and 33 (hereinafter, this fixing step is referred to as a second step).
  • the nuts 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, and 43 are finely adjusted. In this way, by performing the second step after the first step, the installation can be performed more efficiently than when the first step is performed after the second step.
  • the hanging bolts 25 and 26 are fixed to the hanging metal fittings 27 by using the nuts 34, 35, 36, 37, 38, 39, 40, 41, 42 and 43, respectively. Therefore, since the number of assembly points is large and the work is complicated, it is more efficient to perform the work in a state where each hanging bolt 26 and the indoor unit unit 14 are not fixed.
  • the second step is performed.
  • the hanging bolts 26 are fixed to the installation fittings 19 of the indoor unit unit 14 by using the nuts 31, 32, and 33, so that the number of assembly points is smaller than that in the first step.
  • the indoor unit unit 14 can be efficiently suspended and installed on the ceiling slab S by fixing the heavy indoor unit unit 14 to each hanging bolt 26 in this situation.
  • the suspension device 11 of the first embodiment configured as described above can exert the following effects. As shown in FIGS. 1 and 10, the suspension device 11 is installed because the four suspension bolts 25 fixed to the ceiling slab S and the four installation fittings 19 of the indoor unit unit 14 are misaligned. It is used as a connecting device when it cannot be done. For example, the four hanging bolts 25 fixed to the ceiling slab S and the installation bracket of the indoor unit unit were fastened and fixed, but when the indoor unit is replaced with a new indoor unit with different external dimensions due to deterioration of the indoor unit, etc. In addition, it is used when the positions of the four existing hanging bolts 25 and the four mounting brackets of the new indoor unit unit are different and cannot be fastened and fixed.
  • each suspension bolt 25 and the axis of each suspension bolt 26 do not match, a heavy load or stress is applied to each part of the suspension bolt 25 and the suspension device 11. Become. More specifically, as the axis of the suspension bolt 25 and the axis of each suspension bolt 26 are separated from each other, the moment load applied to each part of the suspension bolt 25 and the suspension device 11 becomes larger.
  • the suspension bolt 26 fixed to the indoor unit unit 14 has two parts, one where the upper plate portion 50 is fastened and fixed, and the other where the lower plate portion 51 is fastened and fixed. It has a fastening point. Further, when the suspension bolt 25 fixed to the ceiling slab S and the suspension device 11 are assembled, the suspension bolt 25 is fastened to the upper plate portion 50 and the lower plate portion 51. It will have two fastening points with the fixed points.
  • the heavy load and stress are dispersedly applied to these four fastening points (fixed points), the heavy load and stress concentration applied to one fastening point can be relaxed.
  • the stress applied to the threads of the hanging bolts 25 and 26 and nuts 34 to 43 can be relaxed, the deformation of the threads can be suppressed, and the hanging bolts can be maintained.
  • the nuts 34 to 43 can be easily removed from the 25 and 26.
  • the suspension device 11 when the indoor unit 13 sways with respect to the ceiling slab S due to the occurrence of an earthquake or the like, stress is applied to the fastening points, but the stress is distributed to the four fastening points. Therefore, the stress concentration applied to one fastening point can be relaxed.
  • the suspension device 11 is configured such that the interval D1> the interval D2, so that the suspension device 11 has four fastening points as compared with the case where the interval D1 ⁇ the interval D2 is formed. The applied moment load can be reduced.
  • the suspension device 11 is used to fasten and fix the hanging bolt 25 and the upper plate portion 50, fasten and fix the hanging bolt 25 and the lower plate portion 51, fasten and fix the hanging bolt 26 and the upper plate portion 50, and the hanging bolt.
  • the structure is such that the 26 and the lower plate portion 51 are fastened and fixed.
  • the indoor unit 13 can be suitably suspended and fixed to the ceiling slab S for a long period of time without causing the trouble as shown in FIG.
  • Embodiment 2 The suspension device 71 for the indoor unit of the air conditioner according to the second embodiment of the present invention will be described with reference to FIGS. 13 and 14.
  • FIG. 13 is a side view of the suspension device 71.
  • FIG. 14 is a perspective view of the suspension fitting 77 of the suspension device 71.
  • the configuration of the suspension bracket 77 is different from the configuration of the suspension bracket 27 of the suspension device 11 of the first embodiment, and the other configurations are the same.
  • the parts are designated by the same reference numerals, and detailed description thereof will be omitted.
  • the hanging metal fitting 77 includes an upper plate portion 50, a lower plate portion 51, a connecting portion 52, a short side 53, and a short side 54 of the hanging metal fitting 27.
  • An elongated hole 85 is formed in the upper plate portion 50 from the end on the short side 53 side to the vicinity of the center in the longitudinal direction of the upper plate portion 50.
  • the length of the elongated hole 85 is formed to be, for example, about three times the diameter of the hanging bolt 26.
  • the width of the elongated hole 85 is formed to be larger than the diameter of the hanging bolt 26 and smaller than the width across flats of the nuts 34 and 35.
  • a circular hole 87 is formed at a position between the portion connected to the connecting portion 52 and the elongated hole 85.
  • the diameter of the circular hole 87 is formed to be larger than the diameter of the hanging bolt 25 and smaller than the width across flats of the nuts 39 and 40.
  • An elongated hole 89 is formed in the lower plate portion 51 from the end on the short side 54 side to the vicinity of the center in the longitudinal direction of the lower plate portion 51.
  • the length of the elongated hole 89 is formed to be, for example, about three times the diameter of the hanging bolt 26.
  • the width of the elongated hole 89 is formed to be larger than the diameter of the hanging bolt 26 and smaller than the width across flats of the nuts 36 and 37.
  • the elongated hole 89 and the elongated hole 85 are formed so as to face each other.
  • a circular hole 91 is formed at a position between the portion connected to the connecting portion 52 and the elongated hole 89.
  • the diameter of the circular hole 91 is formed to be larger than the diameter of the hanging bolt 25 and smaller than the width across flats of the nuts 42 and 43.
  • the circular hole 91 and the circular hole 87 are formed so as to face each other.
  • the hanging bolts 26 and the nuts 34 and 35 are fastened and fixed to the positions of the elongated holes 85 of the upper plate portion 50, and the hanging bolts 25 and the nuts 39 to 39 are fixed to the positions of the circular holes 87 of the upper plate portion 50.
  • 41 is fastened and fixed
  • hanging bolts 26 and nuts 36 to 38 are fastened and fixed to the positions of the elongated holes 89 of the lower plate portion 51
  • hanging bolts 25 are fixed to the positions of the circular holes 91 of the lower plate portion 51.
  • nuts 42 and 43 are fastened and fixed.
  • the suspension device 71 of the second embodiment also has the same effect as the suspension device 11 of the first embodiment, and also has the following effects. Since the lengths of the elongated holes 85 and 89 are formed to be, for example, about three times the diameter of the hanging bolt 26, the upper plate portion 50 and the lower plate portion 50 and the lower plate portion are formed in the longitudinal direction of the upper plate portion 50 and the lower plate portion 51. The positions of the 51 and the hanging bolt 26 can be adjusted with each other. Further, after assembling the hanging bracket 77 and the nuts 34 to 43 to the hanging bolts 25 and 26, the hanging bolts 25 and 26 are suspended from the hanging bolts 25 and 26 unless the nuts 34 to 43 are removed from the hanging bolts 25 and 26. The metal fitting 77 can be reliably prevented from coming off.
  • the hanging bolt 26 is located on the shortest side 53 side in the elongated hole 85. Even if this is the case, the hanging metal fitting 77 is formed so that the distance D3 between the upper plate portion 50 and the lower plate portion 51 is larger than the distance D4 between the hanging bolt 25 and the hanging bolt 26 (D3> D4). ..
  • the suspension device 71 is configured such that the interval D3> the interval D4, so that the suspension device 71 has four fastening points as compared with the case where the interval D3 ⁇ the interval D4 is formed. The applied moment load can be reduced.
  • FIG. 15 is a side view of the suspension device 101.
  • FIG. 16 is a perspective view of the suspension fitting 107 of the suspension device 101.
  • the configuration of the suspension bracket 107 is different from the configuration of the suspension bracket 27 of the suspension device 11 of the first embodiment, and the other configurations are the same.
  • the parts are designated by the same reference numerals, and detailed description thereof will be omitted.
  • the hanging metal fitting 107 includes an upper plate portion 50, a lower plate portion 51, a connecting portion 52, a short side 53, a short side 54, and a bent portion 63 of the hanging metal fitting 27.
  • a notch 108 is formed in the upper plate portion 50 from the short side 53 to the vicinity of the connecting portion 52.
  • the length of the notch 108 is formed to be, for example, about 6 times the diameter of the hanging bolt 26.
  • the width of the notch 108 is formed to be larger than the diameter of the hanging bolts 26 and 27 and smaller than the width across flats of the nuts 34, 35, 39 and 40.
  • the notch 108 has a notch inlet side 108a and a notch back side 108b.
  • the notch inlet side 108a is on the short side 53 side
  • the notch back side 108b is on the connecting portion 52 side.
  • a notch 111 is formed in the lower plate portion 51 from the short side 54 to the vicinity of the connecting portion 52.
  • the length of the notch 111 is formed to be, for example, about 6 times the diameter of the hanging bolts 26 and 27.
  • the width of the notch 111 is formed to be larger than the diameter of the hanging bolts 26 and 27 and smaller than the width across flats of the nuts 36, 37, 42 and 43.
  • the notch 111 has a notch inlet side 111a and a notch back side 111b.
  • the notch inlet side 111a is on the short side 54 side
  • the notch back side 111b is on the connecting portion 52 side.
  • the notch 111 and the notch 108 are formed so as to face each other.
  • suspension bolts 26 and nuts 34 and 35 are fastened and fixed to the position portion of the notch inlet side 108a of the upper plate portion 50, and the suspension bolt 25 is fixed to the position portion of the notch back side 108b of the upper plate portion 50.
  • nuts 39 to 41 are fastened and fixed, and hanging bolts 26 and nuts 36 to 38 are fastened and fixed to the position of the notch inlet side 111a of the lower plate portion 51, and the notch back side 111b of the lower plate portion 51 is fastened and fixed.
  • Suspension bolts 25 and nuts 42 and 43 are fastened and fixed to the position portions.
  • the suspension device 101 of the third embodiment also has the same effect as the suspension device 11 of the first embodiment, and also has the following effects.
  • the suspension device 11 of the first embodiment when assembling the suspension bracket 27 to the suspension bolt 25, the nut 39, the upper plate portion 50, the nut 40, and the nut are attached to the suspension bolt 25. 41, the nut 42, the lower plate portion 51, and the nut 43 must be assembled in this order.
  • the suspension bolts 25 and 26 can be slidably moved in one notch 108 formed in the upper plate portion 50, and one cut formed in the lower plate portion 51.
  • the suspension bolts 25 and 26 can be slid and moved in the notch 111, and the degree of freedom of work can be increased during the assembling work of the suspension device 101.
  • the hanging bolt 26 is located on the shortest side 53 side in the notch 111. And even if the suspension bolt 25 is located closest to the connecting portion 52 in the notch 111, the distance D5 between the upper plate portion 50 and the lower plate portion 51 is the distance D6 between the suspension bolt 25 and the suspension bolt 26.
  • the hanging metal fitting 107 is formed so as to be larger than the above (D5> D6).
  • the suspension device 101 is configured such that the interval D5> the interval D6, so that the suspension device 101 has four fastening points as compared with the case where the interval D5 ⁇ the interval D6 is formed. The applied moment load can be reduced.
  • Embodiment 4 The suspension device 121 for the indoor unit of the air conditioner according to the fourth embodiment of the present invention will be described with reference to FIGS. 17 and 18.
  • FIG. 17 is a side view of the suspension device 121.
  • FIG. 18 is a perspective view of the suspension fitting 127 of the suspension device 121.
  • the configuration of the suspension bracket 127 is different from the configuration of the suspension bracket 27 of the suspension device 11 of the first embodiment, and the other configurations are the same.
  • the parts are designated by the same reference numerals, and detailed description thereof will be omitted.
  • the hanging metal fitting 127 includes an upper plate portion 50, a lower plate portion 51, a connecting portion 52, a short side 53, and a short side 54 of the hanging metal fitting 27.
  • a long hole 138 is formed in the upper plate portion 50 from the vicinity of the short side 53 to the vicinity of the connecting portion 52.
  • the length of the elongated hole 138 is formed to be, for example, about 5 times the diameter of the hanging bolt 26.
  • the width of the elongated hole 138 is formed to be larger than the diameter of the hanging bolt 26 and smaller than the width across flats of the nuts 34, 35, 39, 40.
  • the elongated hole 138 has one end side hole 138a and the other end side hole 138b.
  • the one end side hole 138a is on the short side 53 side of the long hole 138, and the other end side hole 138b is on the connecting portion 52 side of the long hole 138.
  • a long hole 141 is formed in the lower plate portion 51 from the vicinity of the short side 54 to the vicinity of the connecting portion 52.
  • the length of the elongated hole 141 is formed to be, for example, about 5 times the diameter of the hanging bolt 26.
  • the width of the elongated hole 141 is formed to be larger than the diameter of the hanging bolts 25 and 26 and smaller than the width across flats of the nuts 36, 37, 42 and 43.
  • the elongated hole 141 has one end side hole 141a and the other end side hole 141b.
  • the one end side hole 141a is on the short side 54 side of the long hole 141, and the other end side hole 141b is on the connecting portion 52 side of the long hole 141.
  • the elongated holes 141 and the elongated holes 138 are formed so as to face each other.
  • the suspension bolts 26 and nuts 34 and 35 are fastened and fixed to the position portion of the one end side hole 138a of the upper plate portion 50, and the suspension bolt 25 and the suspension bolt 25 and the position portion of the other end side hole 138b of the upper plate portion 50 are fastened and fixed.
  • the nuts 39 to 41 are fastened and fixed, and the hanging bolt 26 and the nuts 36 to 38 are fastened and fixed to the position portion of the one end side hole 141a of the lower plate portion 51, and the position portion of the other end side hole 141b of the lower plate portion 51.
  • the hanging bolt 25 and the nuts 42 and 43 are fastened and fixed to the.
  • the suspension device 121 of the fourth embodiment also has the same effect as the suspension device 11 of the first embodiment, and also has the following effects. After assembling the hanging bracket 127 and the nuts 34 to 43 to the hanging bolts 25 and 26, the hanging bracket 127 for the hanging bolts 25 and 26 unless the nuts 34 to 43 are removed from the hanging bolts 25 and 26. Can be reliably prevented from coming off.
  • the suspension bolts 25 and 26 can be slidably moved into one elongated hole 138 formed in the upper plate portion 50, and one length formed in the lower plate portion 51.
  • the suspension bolts 25 and 26 can be slidably moved into the hole 141, and the degree of freedom of work can be increased during the assembling work of the suspension device 121.
  • the hanging bolt 26 is located on the shortest side 53 side of the elongated hole 138. Even if the suspension bolt 25 is located closest to the connecting portion 52 in the elongated hole 138, the distance D7 between the upper plate portion 50 and the lower plate portion 51 is larger than the distance D8 between the suspension bolt 25 and the suspension bolt 26.
  • the hanging metal fitting 127 is formed so as to be large (D7> D8).
  • the suspension device 121 is configured such that the interval D7> the interval D8, so that the suspension device 121 has four fastening points as compared with the case where the interval D7 ⁇ the interval D8 is formed. The applied moment load can be reduced.
  • Embodiment 5 The suspension device 151 for the indoor unit of the air conditioner according to the fifth embodiment of the present invention will be described with reference to FIGS. 19 and 20.
  • FIG. 19 is a side view of the suspension device 151.
  • FIG. 20 is a perspective view of the suspension fitting 157 of the suspension device 151.
  • the hanging metal fitting 27 is configured so as to connect the connecting portion 52 to the short side of the upper plate portion 50 and the short side of the lower plate portion 51.
  • the connecting portion 152 is integrally connected to the long side of the upper plate portion 50 and the long side of the lower plate portion 51 as in the hanging metal fitting 157 constituting the suspension device 151 of the fifth embodiment. It may be configured. Even with this configuration, the suspension device 151 of the fifth embodiment has the same effect as the suspension device 11 of the first embodiment. Further, the configuration as in the fifth embodiment may be applied to the second to fourth embodiments.
  • FIG. 21 is a side view of the suspension device 161.
  • FIG. 22 is a perspective view of the suspension fitting 167 of the suspension device 161.
  • the hanging metal fitting 27 is configured so as to connect the connecting portion 52 to the short side of the upper plate portion 50 and the short side of the lower plate portion 51.
  • the suspension fitting 167 constituting the suspension device 161 of the sixth embodiment may be configured as follows.
  • the hanging metal fitting 167 connects a portion of the upper plate portion 50 between the notch 55 and the circular hole 57 and a portion of the lower plate portion 51 located between the notch 59 and the circular hole 61.
  • the connecting portion 162 is arranged in. That is, one short side of the connecting portion 162 and a portion located between the notch 55 of the upper plate portion 50 and the circular hole 57 are integrally connected. Further, the other short side of the connecting portion 162 and the portion located between the notch 59 of the lower plate portion 51 and the circular hole 61 are integrally connected. Even with this configuration, the suspension device 161 of the sixth embodiment has the same effect as the suspension device 11 of the first embodiment. Further, the configuration as in the sixth embodiment may be applied to the second embodiment.
  • a bent portion 63 formed by bending upward is formed at the tip portion on the short side 54 side.
  • a bent portion 173 formed by bending upward with respect to the tip portion on the short side 53 side may be formed.
  • both the bent portion 63 and the bent portion 173 may be provided on the hanging metal fitting 27, or the hanging metal fitting 27 may be formed so that only one of the bent portion 63 is provided. Further, the bent portion 173 may also be applied to the third, fifth and sixth embodiments.
  • the position of the notch 55 of the upper plate portion 50 and the notch 59 of the lower plate portion 51 and the suspension bolt 26 are fastened and fixed, and the position of the circular hole 57 of the upper plate portion 50 is fixed.
  • the circular hole 61 of the lower plate portion 51 and the suspension bolt 25 are fastened and fixed.
  • the suspension device 181 as shown in FIG. 24 may be used.
  • the position of the notch 55 of the upper plate portion 50 and the notch 59 of the lower plate portion 51 and the suspension bolt 25 are fastened and fixed, and the position of the circular hole 57 of the upper plate portion 50 and the lower plate portion are fixed.
  • the circular hole 61 of 51 and the suspension bolt 26 are configured to be fastened and fixed. Even with such a configuration, the suspension device 181 has the same effect as the suspension device 11 of the first embodiment. In addition, such changes may be applied to embodiments 2 to 6 and other embodiments.
  • the suspension fittings 27 are arranged so that the short sides 53 face each other.
  • the hanging metal fittings 27 may be arranged so that the connecting portions 52 face each other in the hanging metal fittings 27 facing each other on the left and right sides.
  • Suspension device 12 Housing 12a Upper wall part 12b Side wall part 12c Suction port 12d Air outlet 13 Indoor unit 14 Indoor unit 15 Blower 15a Rotating shaft 16 Heat exchanger 17 Vertical wind direction adjustment mechanism 19 Installation bracket 19a Fastening part 20 Indoor unit Body 22 Decorative panel 22a Suction port 22b Outlet 25, 26 Suspension bolts 27, 77, 107, 127, 157, 167 Suspension brackets 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43 Nut 50 Upper plate 51 Lower plate 52, 152, 162 Connection 53, 54 Short sides 55, 59, 108, 111 Notches 57, 61, 87, 91 Circular holes 63, 173 Bent 71, 101 , 121, 151, 161, 181 Suspension device 85, 89, 138, 141 Long hole 108a Notch entrance 108b Notch back 111a Notch entrance 111b Notch back 138a One end side hole 138b Other end side hole

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Clamps And Clips (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
PCT/JP2019/045569 2019-11-21 2019-11-21 空気調和機の室内機ユニット用の懸吊装置、空気調和機の室内機、及び空気調和機の室内機の据付方法 WO2021100164A1 (ja)

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JP2021558111A JP7380707B2 (ja) 2019-11-21 2019-11-21 空気調和機の室内機ユニット用の懸吊装置及び空気調和機の室内機
PCT/JP2019/045569 WO2021100164A1 (ja) 2019-11-21 2019-11-21 空気調和機の室内機ユニット用の懸吊装置、空気調和機の室内機、及び空気調和機の室内機の据付方法

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01158016U (US07923587-20110412-C00022.png) * 1988-04-20 1989-10-31
JPH02114831U (US07923587-20110412-C00022.png) * 1989-02-27 1990-09-13
KR20170143312A (ko) * 2016-06-21 2017-12-29 엘지전자 주식회사 천장형 공기조화기

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS531246Y2 (US07923587-20110412-C00022.png) * 1975-05-06 1978-01-14
JPH08152191A (ja) * 1994-11-30 1996-06-11 Sanyo Electric Co Ltd 空気調和機の取付装置
JP2004279012A (ja) 2003-03-19 2004-10-07 Fujitsu General Ltd 天井埋込型空気調和機の据付装置
JP4767074B2 (ja) 2006-04-12 2011-09-07 三機工業株式会社 吊りボルトの長さ調整機構
JP2013096650A (ja) 2011-11-01 2013-05-20 Tokkyokiki Corp 空調機器の脱落防止金具
JP2013224771A (ja) 2012-04-20 2013-10-31 Mitsubishi Electric Corp 天井吊り下げ型空気調和機の取付装置
JP6178608B2 (ja) 2013-04-26 2017-08-09 特許機器株式会社 吊支装置の落下防止具
JP6654485B2 (ja) 2016-03-25 2020-02-26 株式会社Tozen 吊下げ式防振具
JP2017161073A (ja) 2017-04-14 2017-09-14 株式会社Tozen 吊下げ式防振具
JP7134456B2 (ja) 2017-06-08 2022-09-12 エヌパット株式会社 空気調和機の施工方法および支持装置
KR101885048B1 (ko) * 2018-02-02 2018-08-29 이영호 높낮이 조절이 가능한 시설물 고정 장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01158016U (US07923587-20110412-C00022.png) * 1988-04-20 1989-10-31
JPH02114831U (US07923587-20110412-C00022.png) * 1989-02-27 1990-09-13
KR20170143312A (ko) * 2016-06-21 2017-12-29 엘지전자 주식회사 천장형 공기조화기

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