EP3587952B1 - Deckenplatte und klimaanlage - Google Patents

Deckenplatte und klimaanlage Download PDF

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Publication number
EP3587952B1
EP3587952B1 EP17897295.6A EP17897295A EP3587952B1 EP 3587952 B1 EP3587952 B1 EP 3587952B1 EP 17897295 A EP17897295 A EP 17897295A EP 3587952 B1 EP3587952 B1 EP 3587952B1
Authority
EP
European Patent Office
Prior art keywords
corner
cover
screw
parts
fixing
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP17897295.6A
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English (en)
French (fr)
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EP3587952A4 (de
EP3587952A1 (de
Inventor
Nobusato Yoshitake
Takashi Hiraoka
Kenji Gajina
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Carrier Corp
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Toshiba Carrier Corp
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Publication date
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Publication of EP3587952A1 publication Critical patent/EP3587952A1/de
Publication of EP3587952A4 publication Critical patent/EP3587952A4/de
Application granted granted Critical
Publication of EP3587952B1 publication Critical patent/EP3587952B1/de
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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
    • 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
    • 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

Definitions

  • the invention relates to a ceiling panel to be used for an air conditioner and to a ceiling-embedded air conditioner.
  • a ceiling-embedded air conditioner is provided with a ceiling panel configured to cover a lower end of an indoor unit installed in the ceiling space.
  • the ceiling panel includes a square frame body and each of four corner parts of the frame body is fixed to the lower end of the indoor unit through a panel-fixing screw and fixing bracket.
  • Each of the corner parts of the frame body is covered with a detachable corner cover. After the attitude of the corner cover is manually adjusted by the worker in order that the corner cover may be at an appropriate position with respect to the corner part, the corner cover is fixed to the corner part by using a screw.
  • a ceiling panel according to the preamble of claim 1 is known, for example, from EP 1 327 829 A1 .
  • Patent Literature 1 JP 4916552 B2
  • the invention described herein aims to obtain a ceiling panel corner covers of which can easily be fixed to the regular positions of the corner parts, and which is excellent in appearance and workability.
  • a ceiling panel is provided with a frame body including a plurality of corner parts, and a plurality of corner covers configured to detachably cover the corner parts of the frame body.
  • Each of the corner parts includes an outer circumferential part defining a contour of the frame body and including a plurality of engaging holes, a screw-receiving part positioned on the inner side of the outer circumferential part, and a cover-fixing screw screwed into the screw-receiving part.
  • Each of the corner covers includes a plurality of engaging claws detachably hooked to the engaging holes, and a screw-fixing part protruded toward the screw-receiving part.
  • the screw-fixing part includes a guide slot through which a stem of the cover-fixing screw passes in a penetrating manner and which is opened at a tip of the screw-fixing part, and guide walls protruded from the screw-fixing part so as to surround the guide slot.
  • the guide walls are configured to move the corner cover toward a regular position on the corner part by being brought into contact with an outer peripheral edge of a head of the cover-fixing screw when the cover-fixing screw is tightened.
  • FIG. 1 is a perspective view of a ceiling-embedded air conditioner
  • FIG. 2 is a perspective view showing the state where the indoor unit and ceiling panel are separated from each other
  • FIG. 3 is a perspective view showing the state where one corner cover is detached from the frame body of the ceiling panel.
  • an air conditioner 1 is provided with an indoor unit 2 installed in the ceiling space, and ceiling panel 3 attached to the lower end of the indoor unit 2 as essential elements.
  • the indoor unit 2 is provided with a casing 4 made of sheet metal.
  • the casing 4 is a downwardly opened box-shaped element, and is suspended from a beam in the ceiling space through, for example, four hanging bolts (not shown).
  • the casing 4 includes a side part 5 continuous in the circumferential direction.
  • the side part 5 includes four outer circumferential corner parts 5a, and a hanging hook 6 is fixed to each outer circumferential corner part 5a.
  • the hanging hooks 6 are horizontally protruded on all sides of the casing 4, and a lower end of the hanging bolt is coupled to the hanging hook 6.
  • brackets 7 are fixed to the casing 4.
  • the bracket 7 is positioned at a lower end part of each outer circumferential corner part 5a of the casing 4 in such a manner as to be positioned directly under the hanging hook 6.
  • the brackets 7 are horizontally protruded on all sides of the casing 4.
  • a panel-fixing screw 8 is attached to the protruding end part of each bracket 7.
  • the panel-fixing screw 8 is an element to be used when the ceiling panel 3 is to be fixed to the indoor unit 2, and is downwardly protruded from the bracket 7.
  • an air blower 10 is accommodated in the casing 4.
  • a so-called centrifugal fan configured to suck air from the axial direction and discharge the air in the circumferential direction is employed.
  • the upper end of the air blower 10 is covered with the top plate part of the casing 4, and hence the lower end of the air blower 10 serves as the suction side.
  • a drain pan 11 is fitted to the lower end of the casing 4.
  • the drain pan 11 is an element configured to receive drain water dropping from the heat exchanger arranged around the air blower 10, and is constituted of, for example, foamed polystyrene which is a kind of foamed plastics.
  • the drain pan 11 includes a circular opening part 12.
  • the opening part 12 is positioned at a central part of the drain pan 11.
  • a bell-mouth 13 is fitted to the opening part 12 of the drain pan 11.
  • the bell-mouth 13 defines a suction opening 14 continuous with the suction side of the air blower 10.
  • the suction opening 14 is positioned at the central part of the lower end of the casing 4.
  • the drain pan 11 includes a peripheral edge part surrounding the suction opening 14.
  • Four cutout parts 15 through which air passed through the heat exchanger is guided are formed in the peripheral edge part of the drain pan 11.
  • Each of the cutout parts 15 has a long and thin shape extending along the peripheral edge part of the drain pan 11. All the pairs of two of the cutout parts 15 adjacent to each other in the circumferential direction of the drain pan 11 are kept in a positional relationship in which the cutout parts 15 are perpendicular to each other.
  • the drain pan 11 is detachably supported on the lower end of the casing 4 through four pieces of drain-pan fixing metal fittings 17. Each of the pieces of the drain-pan fixing metal fittings 17 is screwed to the underside of the bracket 7.
  • the drain-pan fixing metal fittings 17 horizontally extend from the lower end of the outer circumferential corner part 5a of the casing 4 toward each of the four corner parts of the drain pan 11, and the underside of the corner part of the drain pan 11 is placed on the drain-pan fixing metal fittings 17. Thereby, the drain pan 11 is held on the lower end of the casing 4 so that the drain pan 11 may not fall off the casing 4.
  • the ceiling panel 3 is an element configured to cover the indoor unit 2 from the inside of the room, and is arranged in an attitude along the ceiling not shown. As shown in FIG. 4 , the ceiling panel 3 is provided with an inlet grille 20 and frame body 21. The inlet grille 20 is positioned at the central part of the ceiling panel 3.
  • the inlet grille 20 is constituted of an outer frame part 22 and grille part 23.
  • the outer frame part 22 is a square element including first to fourth side parts 24a, 24b, 24c, and 24d.
  • Each of the first to fourth side parts 24a, 24b, 24c, and 24d is formed of a long and thin flat plate having a predetermined width, and lengths of the inner peripheral edge and outer peripheral edge of each of all the first to fourth side parts 24a, 24b, 24c, and 24d are equal to each other.
  • first to fourth side parts 24a, 24b, 24c, and 24d are perpendicular to each other, whereby the outer peripheral edges define outer circumferential corner parts 22a pointed at right angles at the four corners of the outer frame part 22.
  • a first rib 25 and second rib 26 are formed on the back surface of the outer frame part 22.
  • the first rib 25 is raised from the inner peripheral edges of the first to fourth side parts 24a, 24b, 24c, and 24d, and is formed into a square frame-like shape continuous in the circumferential direction of the outer frame part 22.
  • the second rib 26 is raised from the back surface of outer frame part 22 in such a manner as to surround the first rib 25.
  • the second rib 26 is positioned on the inner side of the outer peripheral edge of the outer frame part 22, and is formed into a square frame-like shape continuous in the circumferential direction of the outer frame part 22.
  • the second rib 26 includes four corner parts 26a pointed at right angles.
  • the corner part 26a is positioned on the inner side of the outer frame part 22 at a position farther from the outer frame part 22 than the outer circumferential corner part 22a at a position corresponding to the outer circumferential corner part 22a of the outer frame part 22.
  • a reinforcing rib 28 is formed at each of four positions of the back surface of the outer frame part 22.
  • Each reinforcing rib 28 is raised from the back surface of the outer frame part 22 in such a manner as to connect the corner part 26a of the second rib 26 and outer circumferential corner part 22a of the outer frame part 22 to each other.
  • the reinforcing rib 28 includes a first reinforcing wall 28a and second reinforcing wall 28b.
  • the first reinforcing wall 28a extends from an apex of the corner part 26a of the second rib 26 toward an apex of the outer circumferential corner part 22a of the outer frame part 22 in the direction of the diagonal line of the outer frame part 22.
  • the second reinforcing wall 28b is bifurcated from the tip of the first reinforcing wall 28a. The tips of the second reinforcing wall 28b reach the outer peripheral edges of the two adjacent side parts 24a, 24b, 24c, and 24d defining the outer circumferential corner parts 22a of the outer frame part 22.
  • the four outer circumferential corner parts 22a of the outer frame part 22 are reinforced from the back surface side, and the flatness of the outer circumferential corner parts 22a and, by extension the flatness of the first to fourth side parts 24a, 24b, 24c, and 24d are sufficiently secured.
  • a pair of hinges 30 is formed integral with the third side part 24c of the outer frame part 22.
  • One of the hinges 30 is positioned at the outer circumferential corner part 22a defined by the third side part 24c and fourth side part 24d.
  • the other of the hinges 30 is positioned at the outer circumferential corner part 22a defined by the third side part 24c and second side part 24b. Accordingly, the hinges 30 are separate from each other in the longitudinal direction of the third side part 24c.
  • Each of the hinges 30 includes an arm part 31.
  • the arm part 31 outwardly protrudes from the outer frame part 22 over the outer peripheral edge of the third side part 24c.
  • an axis part 32 in the longitudinal direction of the third side part 24c is formed.
  • the second reinforcing wall 28b of the reinforcing rib 28 doubles as part of the arm part 31. That is, the reinforcing rib 28 is continuous with the arm part 31 of the hinge 30, whereby the arm part 31 and reinforcing rib 28 constitute an integral structure and the strength of the arm part 31 is sufficiently secured.
  • the grille part 23 of the inlet grille 20 is surrounded by the first rib 25 of the outer frame part 22.
  • the grille part 23 includes a plurality of horizontal frames 34.
  • the horizontal frames 34 are arranged in parallel with each other with intervals held between them in such a manner as to connect the second side part 24b and fourth side part 24d of the outer frame part 22 to each other.
  • a square filter 35 is arranged behind the grille part 23.
  • the filter 35 is detachably supported on the first reinforcing rib 25.
  • the frame body 21 of the ceiling panel 3 surrounds the outer frame part 22 of the inlet grille 20.
  • the frame body 21 is provided with first to fourth panel segmental parts 38a, 38b, 38c, and 38d, and first to fourth corner parts 39a, 39b, 39c, and 39d.
  • the first to fourth panel segmental parts 38a, 38b, 38c, and 38d linearly extend along the first to fourth side parts 24a, 24b, 24c, and 24d of the outer frame part 22 of the inlet grille 20, and lengths of the inner peripheral edges and outer peripheral edges of all the first to fourth panel segmental parts 38a, 38b, 38c, and 38d are equal to each other. All the pairs of two of the first to fourth panel segmental parts 38a, 38b, 38c, and 38d adjacent to each other are kept in a positional relationship in which they are perpendicular to each other.
  • the first to fourth corner parts 39a, 39b, 39c, and 39d are positioned at the four corners of the ceiling panel 3, and respectively connect all the pairs of two of the first to fourth panel segmental parts 38a, 38b, 38c, and 38d adjacent to each other in the circumferential direction of the frame body 21 integrally to each other.
  • first corner part 39a connects the first panel segmental part 38a and fourth panel segmental part 38d to each other.
  • the second corner part 39b connects the first panel segmental part 38a and second panel segmental part 38b to each other.
  • the third corner part 39c connects the second panel segmental part 38b and third panel segmental part 38c to each other.
  • the fourth corner part 39d connects the third panel segmental part 38c and fourth panel segmental part 38d to each other.
  • first to fourth panel segmental parts 38a, 38b, 38c, and 38d are formed into a square framework respective through the first to fourth corner parts 39a, 39b, 39c, and 39d.
  • the square area surrounded by the inner peripheral edges of the first to fourth panel segmental parts 38a, 38b, 38c, and 38d defines a work opening 40.
  • a pair of locking holes 41 is formed in each of the inner peripheral edges of the first to fourth panel segmental parts 38a, 38b, 38c, and 38d, the inner peripheral edges facing the work opening 40.
  • the locking holes 41 are separate from each other respectively in the longitudinal directions of the first to fourth panel segmental parts 38a, 38b, 38c, and 38d in such a manner as to be respectively adjacent to the first to fourth corner parts 39a, 39b, 39c, and 39d of the frame body 21.
  • a pair of temporary latches 42 (only one of them is shown) is attached to the inner peripheral edges of the first panel segmental part 38a and third panel segmental part 38c, the inner peripheral edges facing the work opening 40.
  • Each of the temporary latches 42 is an element to be used when the ceiling panel 3 is to be temporarily fixed to the indoor unit 2, and is protruded from an intermediate part of each of the first panel segmental part 38a and third panel segmental part 38c in the longitudinal direction thereof toward a part above the frame body 21.
  • the air conditioner 1 is configured in such a manner that the ceiling panel 3 is temporarily fixed to the indoor unit 2 in the state where the ceiling panel 3 is suspended from the bell-mouth 13.
  • the hinges 30 of the outer frame part 22 are selectively hooked to one of the first to fourth panel segmental parts 38a, 38b, 38c, and 38d, whereby the inlet grille 20 of this embodiment is rotatably supported on the frame body 21.
  • a depressed part 43 and clearance groove 44 are formed in each of the first to fourth corner parts 39a, 39b, 39c, and 39d of the frame body 21, a depressed part 43 and clearance groove 44 are formed.
  • the depressed part 43 is an element in which the arm part 31 of the hinge 30 and second reinforcing wall 28b of the reinforcing rib 28 come, and has a downwardly opened square shape.
  • the clearance groove 44 is an element in which the first reinforcing wall 28a of the reinforcing rib 28 comes, and extends in the direction of the diagonal line of the frame body 21 in such a manner as to connect the depressed part 43 and work opening 40.
  • the clearance groove 44 is downwardly opened toward a part below the frame body 21 in such a manner as to be continuous with the depressed part 43.
  • each of the arm parts 31 of the hinges 30 is inserted in each of the depressed parts 43 positioned on both sides of the third panel segmental part 38c, and the axis part 32 at the tip of each of the arm parts 31 is rotatably hooked to the end of the depressed part 43.
  • the inlet grille 20 is supported on the frame body 21 in such a manner as to be rotatable around the axis parts 32 of the hinges 30 between a first position at which the work opening 40 is closed by the inlet grille 20 and second position at which the work opening 40 is opened.
  • FIG. 1 and FIG. 3 show the state where the inlet grille 20 is rotated to the first position.
  • the outer circumferential part of the outer frame part 22 of the inlet grille 20 continuously covers the inner circumferential part of the frame body 21 in the circumferential direction, and the second rib 26 is fitted into the inside of the work opening 40 defined by the first to fourth panel segmental parts 38a, 38b, 38c, and 38d.
  • the arm parts 31 of the hinges 30 and second reinforcing walls 28b of the reinforcing ribs 28 come into the depressed parts 43 of the third corner part 39c and fourth corner part 39d. Furthermore, the first reinforcing walls 28a of the reinforcing ribs 28 come into the clearance grooves 44 of the third corner part 39c and fourth corner part 39d.
  • the four outer circumferential corner parts 22a of the outer frame part 22 cover the inner circumferential parts of the first to fourth corner parts 39a, 39b, 39c, and 39d of the frame body 21 to thereby conceal the depressed parts 43 and clearance grooves 44. Accordingly, the apexes of the four outer circumferential corner parts 22a largely extend from the inner circumferential parts of the first to fourth corner parts 39a, 39b, 39c, and 39d toward the outer circumferential parts.
  • FIG. 4 shows the state where the inlet grille 20 is rotated to the second position.
  • the inlet grille 20 is downwardly rotated with respect to the frame body 21, and is held in the attitude of being suspended from the third panel segmental part 38c.
  • the daily maintenance work such as detaching the filter 35 from the first rib 25 of the inlet grille to clean the filter 35, replacing the filter 35 with new one, and the like.
  • a pair of hooks 46 configured to retain the inlet grille 20 at the first position is attached to the first side part 24a of the outer frame part 22.
  • the hooks 46 are separate from each other in the longitudinal direction of the first side part 24a in such a manner as to be respectively adjacent to the corner parts 26a of the second rib 26.
  • Each of the hooks 46 is supported on the outer frame part 22 in such a manner as to be slidable between an engagement-released position at which the hook 46 stays in the part between the first rib 25 and second rib 26, and engagement position at which the hook 46 protrudes from the second rib 26 toward a part around the outer frame part 22.
  • Each hook 46 includes a plate-like operating part 47.
  • the operating part 47 is an element configured to slide the hook 46, and has a size of such a degree that the worker can hook a fingertip of his or her hand thereto. As shown in FIG. 1 , FIG. 9, and FIG. 10 , the operating part 47 is arranged in parallel with the horizontal frame 34 of the grille part 23 at both ends of the first side part 24a in the longitudinal direction thereof.
  • the operating part 47 is exposed to the outside of the grille part 23 from a gap g between the inner peripheral edge of the first side part 24a and one horizontal frame 34 adjacent to the inner peripheral edge. Furthermore, when the hook 46 is slid to the engagement position, the operating part 47 comes into a depressed part 48 formed in the inner peripheral edge of the first side part 24a.
  • the operating part 47 of the hook 46 stays in the depressed part 48 on the outer side of the grille part 23 at each of both ends of the first side part 24a in the longitudinal direction thereof. Accordingly, a configuration in which the operating part 47 is embedded in the first side part 24a is created, whereby the operating part 47 becomes hardly conspicuous.
  • the ceiling panel 3 includes four air outlets 50 from which air passing through the heat exchanger is discharged into the room.
  • the air outlets 50 are formed in the first to fourth panel segmental parts 38a, 38b, 38c, and 38d of the frame body 21 in opposition to the four cutout parts 15 belonging to the drain pan 11.
  • louvers 51 are supported on the frame body 21 of the ceiling panel 3.
  • the louver 51 is an element configured to change the direction in which the air is discharged from the air outlet 50 into the room, and is formed into a flat, long and thin plate-like shape.
  • the louver 51 is rotatable between a closing position at which the lover 51 closes the air outlet 50 and opening position at which the louver 51 inclines to open the air outlet. In the state where the louvers 51 are rotated to the closing position, the louvers 51 are configured to become horizontal to thereby entirely cover the first to fourth panel segmental parts 38a, 38b, 38c, and 38d.
  • the ceiling panel 3 is detachably coupled to the lower end of the indoor unit 2 at parts of the first to fourth corner parts 39a, 39b, 39c, and 39d of the frame body 21.
  • the parts of the first to fourth cover parts 39a, 39b, 39c, and 39d of the frame body 21 at which the indoor unit 2 and frame body 21 are coupled to each other respectively have configurations similar to each other, and hence in this embodiment, the third corner part 39c will be described as a representative.
  • the third corner part 39c of the frame body 21 includes an accommodation part 52 positioned directly beneath the one outer circumferential corner part 5a of the indoor unit 2.
  • the accommodation part 52 is defined as a depression downwardly opened from the third corner part 39c.
  • the panel-fixing screw 8 downwardly protruded from the bracket 7 of the casing 4 is made to penetrate the top-plate part 53 of the accommodation part 52 and protrude into the accommodation part 52.
  • a fixing bracket 55 is rotatably supported on the top-plate part 53 of the accommodation part 52.
  • the fixing bracket 55 includes a slit-like cut 56.
  • the fixing bracket 55 is rotatable between an engagement position at which the cut 56 gets caught on the lower end of the panel-fixing screw 8 and engagement-released position at which the cut 56 separates from the lower end of the panel-fixing screw 8.
  • the fixing bracket 55 is held between a head of the panel-fixing screw 8 positioned at the lower end thereof and top-plate part 53 of the accommodation part 52.
  • the ceiling panel 3 is fixed to the lower end of the indoor unit 2 so as to cover the lower end of the indoor unit 2 from below.
  • the third corner part 39c of the frame body 21 includes a plurality of engaging holes 57 and screw-receiving part 58.
  • the engaging holes 57 are arranged at positions on the outer circumferential part of the third corner part 39c defining the contour of the frame body 21.
  • the engaging holes 57 are separate from each other in the circumferential direction of the frame body 21 so as to be positioned around the accommodation part 52.
  • the screw-receiving part 58 is downwardly protruded from the top-plate part 53 of the accommodation part 52 at a position adjacent to the depressed part 43 belonging to the third corner part 39c.
  • a cover-fixing screw 60 is attached to the protruding end of the screw-receiving part 58.
  • the cover-fixing screw 60 includes a stem 60a screwed into the screw-receiving part 58 and head 60b coaxially provided at an end of the stem 60a.
  • the head 60b includes a circular outer peripheral edge having an outer diameter greater than the stem 60a.
  • the cover-fixing screw 60 is positioned on the diagonal line connecting between the first corner part 39a of the frame body 21 and third corner part 39c thereof. Furthermore, the screw-receiving part 58 and head 60b of the cover-fixing screw 60 are provided at a position covered with one apex 22a of the inlet grille 20 retained at the first position.
  • the engaging holes 57, screw-receiving part 58, and cover-fixing screw 60 are provided not only in the third corner part 39c but also in the first corner part 39a, second corner part 39b, and fourth corner part 39d in the same manner.
  • each of the first to fourth corner parts 39a, 39b, 39c, and 39d of the frame body 21 is covered with a detachable corner cover 62.
  • the corner cover 62 is a flat plate-like element having such a size as to wholly cover each of the first to fourth corner parts 39a, 39b, 39c, and 39d from below.
  • the outer circumferential part of the corner cover 62 has a shape pointed at right angles including two sides perpendicular to each other.
  • a cut part 63 inwardly cut out at right angles so as to avoid the outer circumferential corner part 22a of the inlet grille 20 is formed.
  • the corner cover 62 includes a plurality of engaging claws 64 and screw-fixing part 65.
  • the engaging claws 64 are protruded from the back surface of the outer circumferential part of the corner cover 62 so as to correspond, in terms of positions, to the engaging holes 57 of the third corner part 39c.
  • a hook 64a bent at right angles toward the cut part 63 of the corner cover 62 is formed.
  • the screw-fixing part 65 is protruded from the center of the cut part 63 toward the screw-receiving part 58.
  • the screw-fixing part 65 includes a guide slot 66 through which the stem 60a of the cover-fixing screw 60 slidably passes.
  • the guide slot 66 extends in the direction along the diagonal line connecting between the first corner part 39a of the frame body 21 and third corner part 39c thereof, and is opened at the tip of the screw-fixing part 65.
  • guide walls 70 are formed at the protruded end of the screw-fixing part 65.
  • the guide walls 70 are raised from the outer circumferential part of the screw-fixing part 65 so as to surround the guide slot 66, and are curved in such a manner that the closer to the opening end of the guide slot 66, the closer the guide walls 70 become to each other.
  • the inner faces of the guide walls 70 constitute guide faces 71 inclined in such a manner that the outer peripheral edge of the head 60b of the cover-fixing screw 60 becomes closer to the opening edges of the guide slot 66.
  • the guide faces 71 lie between the head 60b of the cover-fixing screw 60 and screw-fixing part 65, and is inclined so as to be on the inner side of outer peripheral edge of the head 60b in the radial direction of the head 60b. Furthermore, the edges of the guide faces 71 reach the screw-fixing part 65.
  • the guide walls 70 include an opening part 72 cut out so as to enable the stem 60a of the cover-fixing screw 60 to pass through it.
  • the opening part 72 leads to the tips of the guide slot 66.
  • the cover-fixing screws 60 are loosened, and heads 60b of the cover-fixing screws 60 are kept away from the screw-receiving parts 58.
  • each of the corner covers 62 is slid in the direction of the diagonal line of the frame body 21 so that the engaging claws 64 of the corner covers 62 may be inserted into the engaging holes 57 of the first to fourth corner parts 39a, 39b, 39c, and 39d, and the guide slots 66 of the screw-fixing parts 65 may get closer to the stems 60a of the cover-fixing screws 60.
  • the hook 64a at the tip of each of the engaging claws 64 is hooked to the opening edge of the engaging hole 57, and stem 60a of the cover-fixing screw 60 is slidably fitted into the guide slot 66 of the screw-fixing part 65.
  • the stem 60a is fitted into the guide slot 66, whereby the guide walls 70 are positioned around the outer peripheral edge of the head 60b of the cover-fixing screw 60 as shown in FIG. 14 and FIG. 16 .
  • each of the corner covers 62 is positioned flush with the outer frame part 22 of the inlet grille 20 and louver 51 rotated to the closing position. Furthermore, gaps occurring at the juncture of the cut part 63 of the corner cover 62 and outer circumferential corner part 22a of the outer frame part 22, and juncture of the corner cover 62 and louver 51 become approximately equal to each other at all the corner parts 39a, 39b, 39c, and 39d of the frame body 21.
  • the outer circumferential part of the corner cover 62 is continuous with the outer peripheral edge of the louver 51 rotated to the closing position in a straight line, and a feeling of unity between the corner cover 62 and louver 51 is obtained.
  • the corner cover 62 in fixing the corner covers 62 to the first to fourth corner parts 39a, 39b, 39c, and 39d of the frame body 21, when the cover-fixing screw 60 is tightened, the outer peripheral edge of the head 60b of the cover-fixing screw 60 is brought into contact with the guide faces 71 of the guide walls 70. Thereby, the force of drawing the corner cover 62 toward the screw-receiving part 58 is applied to the corner cover 62. As a result, the corner cover 62 is moved along the diagonal line of the frame body 21, and is fixed to the regular position.
  • position adjustment of the corner covers 62 is carried out with respect to all the first to fourth corner parts 39a, 39b, 39c, and 39d with a high degree of accuracy, and thus the appearance of the ceiling panel 3 becomes fine.
  • the flatness of the louver 51 is secured by the reinforcing rib 28, and hence in the state where the louver 51 is rotated to the first position, it is possible to prevent large steps from occurring at the junctures of the both ends of the lover 51 and corner covers 62.
  • the gaps occurring at the junctures of the both ends of the lover 51 and corner covers 62 become hardly conspicuous, this being favorable to maintaining the appearance of the ceiling panel 3 and, by extension the air conditioner 1 in good condition.
  • corner cover 62 is fixed to the regular position by the simple work of only tightening the cover-fixing screw 60, and hence the troublesome and time-consuming work of tightening the cover-fixing screw while paying the closest attention to the corner cover 62 in order that the attitude thereof may not be changed is made unnecessary. Therefore, it is possible to easily fix the corner cover 62 to the frame body 21, whereby the workability is improved.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Claims (9)

  1. Deckenpaneel, aufweisend:
    einen Rahmenkörper (21) mit einer Vielzahl von Eckteilen (39a, 39b, 39c, 39d) und
    eine Vielzahl von Eckabdeckungen (62), die so konfiguriert sind, dass sie die Eckteile (39a, 39b, 39c, 39d) des Rahmenkörpers (21) abnehmbar abdecken,
    jedes der Eckteile (39a, 39b, 39c, 39d) umfasst ein äußeres Umfangsteil (22a), das eine Kontur des Rahmenkörpers (21) definiert und eine Vielzahl von Eingriffslöchern (57) enthält, ein Schraubenaufnahmeteil (58), das an der Innenseite des äußeren Umfangsteils (22a) positioniert ist, und eine Abdeckungsbefestigungsschraube (60), die in das Schraubenaufnahmeteil (58) geschraubt ist,
    jede der Eckabdeckungen (62) umfasst eine Vielzahl von Eingriffskrallen (64), die lösbar in den Eingriffslöchern (57) eingehakt sind, und ein Schraubenbefestigungsteil (65), das in Richtung des Schraubenaufnahmeteils (58) vorsteht,
    dadurch gekennzeichnet, dass
    das Schraubenbefestigungsteil (65) einen Führungsschlitz (66), durch den ein Schaft (60a) der Abdeckungsbefestigungsschraube (60) in einer durchdringenden Weise hindurchgeht und der an einer Spitze des Schraubenbefestigungsteils (65) geöffnet ist, und Führungswände (70) aufweist, die von dem Schraubenbefestigungsteil (65) so vorstehen, dass sie den Führungsschlitz (66) umgeben, und das konfiguriert ist, um die Eckabdeckung (62) in Richtung einer richtigen Position auf dem Eckteil zu bewegen, indem es in Kontakt mit einer äußeren Umfangskante eines Kopfes (60b) der Abdeckungsbefestigungsschraube (60) gebracht wird, wenn die Abdeckungsbefestigungsschraube (60) angezogen wird.
  2. Deckenpaneel nach Anspruch 1, wobei
    die Führungswände (70) Führungsflächen (71) aufweisen, die in Bezug auf die äußere Umfangskante des Kopfes (60b) geneigt sind, und die äußere Umfangskante des Kopfes (60b) in Kontakt mit den Führungsflächen (71) gebracht wird, wodurch eine solche Kraft auf die Eckabdeckung (62) ausgeübt wird, dass sie die Eckabdeckung (62) in Richtung des Schraubenaufnahmeteils (58) zieht.
  3. Deckenpaneel nach Anspruch 2, wobei
    wenn die Kraft auf die Eckabdeckung (62) ausgeübt wird, der Führungsschlitz (66) die Eckabdeckung (62) in der Bewegungsrichtung führt.
  4. Deckenpaneel nach einem der Ansprüche 1 bis 3, wobei
    die Führungswände (70) einen Öffnungsabschnitt (72) aufweisen, der so ausgeschnitten ist, dass der Schaft (60a) der Abdeckungsbefestigungsschraube (60) durch ihn hindurchgeführt werden kann.
  5. Deckenpaneel nach Anspruch 1, wobei
    die Abdeckungsbefestigungsschraube (60) in einem Zustand gehalten wird, in dem ihr Schaft (60a) in das Schraubenaufnahmeteil (58) geschraubt ist, sowohl wenn die Eckabdeckung (62) an dem Eckteil befestigt werden soll als auch wenn die Eckabdeckung (62) von dem Eckteil gelöst werden soll.
  6. Deckenpaneel nach Anspruch 1, wobei
    der Rahmenkörper (21) Paneelsegmentteile (38a, 38b, 38c, 38d), von denen jedes so konfiguriert ist, dass es zwischen den in Umfangsrichtung benachbarten Eckteilen eine Verbindung herstellt, Luftauslässe (50), die an den Paneelsegmentteilen (39a, 39b, 39c, 39d) geöffnet sind, und Jalousien (51) aufweist, die an dem Rahmenkörper (21) gehalten werden und so konfiguriert sind, dass sie die Richtung ändern, in der Luft aus den Luftauslässen ausgestoßen wird, und
    in einem Zustand, in dem die Jalousien (51) die Luftauslässe verschließen, Verbindungsstellen an den Grenzen zwischen den Eckabdeckungen (62) und den Jalousien (51) ausgebildet sind.
  7. Deckenpaneel nach Anspruch 6, wobei
    in dem Zustand, in dem die Jalousie den Luftauslass (50) verschließt, die Eckabdeckung (62) und die Jalousie (51) bündig zueinander angeordnet sind.
  8. Deckenpaneel nach Anspruch 1, das ferner ein Einlassgitter (20) aufweist, das von dem Rahmenkörper (21) umgeben ist, wobei
    das Einlassgitter (20) eine Vielzahl von äußeren Umfangseckteilen (22a) an Stellen aufweist, die den Eckabdeckungen (62) entsprechen, und das Schraubenbefestigungsteil (65) und der Kopf (60b) der Abdeckungsbefestigungsschraube (60) durch einen Scheitelpunkt jedes der äußeren Umfangseckteile (22a) verdeckt sind.
  9. Klimagerät, aufweisend:
    eine Inneneinheit (2), die in einem Deckenraum installierbar ist;
    und
    ein Deckenpaneel (1) nach einem der Ansprüche 1 bis 6, das so gestaltet ist, dass es ein unteres Ende der Inneneinheit (2) abdeckt.
EP17897295.6A 2017-02-27 2017-02-27 Deckenplatte und klimaanlage Active EP3587952B1 (de)

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Publication number Priority date Publication date Assignee Title
JPS4916552B1 (de) 1970-01-20 1974-04-23
JPS5241770Y2 (de) * 1973-06-11 1977-09-21
JPS5963205U (ja) * 1982-10-22 1984-04-25 シャープ株式会社 部品取付装置
JP3899459B2 (ja) * 2002-01-10 2007-03-28 三菱電機株式会社 天井埋込形空気調和機
JP4194811B2 (ja) * 2002-08-23 2008-12-10 三洋電機株式会社 空気調和機の室内機
JP2006234316A (ja) * 2005-02-25 2006-09-07 Mitsubishi Heavy Ind Ltd 空気調和装置用化粧パネル及びこれを用いた空気調和装置
WO2007126019A1 (ja) * 2006-04-28 2007-11-08 Toshiba Carrier Corporation 空気調和装置の室内ユニット
KR100972273B1 (ko) * 2007-07-25 2010-07-23 산요덴키가부시키가이샤 천장 매립형 공기 조화 장치의 실내기
BRPI0816485B1 (pt) * 2007-09-07 2019-08-13 Toshiba Carrier Corp condicionador de ar embutido no teto

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JP6772361B2 (ja) 2020-10-21

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