JP2014115037A - Ceiling installation structure of air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ceiling installation structure of an air conditioner capable of preventing an air conditioner from colliding with a ceiling plate and a ceiling substrate upon the occurrence of earthquake.SOLUTION: An air conditioner indoor unit 1 is fastened to a hanging bolt 13 hung down from a frame 12. A main body 1a of the air conditioner indoor unit 1 is located on the upper side of the substrate of the hanging ceiling 11. A ceiling surface panel 1b of the air conditioner indoor unit 1 is located in an opening 11a formed on the ceiling plate 18. A surrounding part of the ceiling surface panel 1b is located on the lower side of the ceiling plate 18 such that a gap of the opening 11a is concealed. A ceiling surface vent hole 1c of the main body 1a and the ceiling surface panel 1b are connected by a bellows 2 as a deformable cylinder member.

Description

  The present invention relates to a ceiling installation structure of an air conditioner in which an air conditioner is located on the back side of the ceiling.

  FIG. 9 is an explanatory diagram showing a conventional installation structure in which the air conditioner 110 is installed on the back side (hosh) of the suspended ceiling 101. In the suspended ceiling 101, a hanger 104 is fixed to a lower end portion of a suspension bolt 103 suspended from a building housing 102, and a field edge receiver 105 is supported by the hanger 104. A field edge 107 is fixed to the field edge receiver 105 with a clip 106, and a ceiling plate 108 is supported on the field edge 107.

  The air conditioner 110 is fixed to a suspension bolt 103 suspended from the housing 102. In the air conditioner 110, the front surface portion where the air outlet and the air inlet are formed is positioned at the opening 101a formed in the ceiling plate 108. A ceiling panel 110a located on the lower side of the ceiling board 108 is attached to the front portion.

  Note that Patent Document 1 discloses an air-conditioning air outlet mounting structure in which the number of processes is small and the air outlet mounting operation can be efficiently performed. Patent Document 2 discloses that a duct disposed in a building such as a building for the purpose of air-conditioning or smoke emission is prevented from being damaged as much as possible when subjected to vibration such as an earthquake. An intervening flexible joint is disclosed.

Utility Model Registration No. 2519061 Japanese Patent No. 4820380

  However, in the ceiling installation structure of the conventional air conditioner, as shown in FIG. 10, a phase shift of shaking occurs between the ceiling 101 and the air conditioner 110 when an earthquake occurs, and thus the ceiling plate 108 and the air conditioner 110 may collide violently, and the ceiling 101 and the air conditioner 110 may be destroyed or dropped.

  In addition, the technique of the said patent document 1 aims at the improvement of the attachment property of a duct, and the technique of the patent document 2 aims at preventing that a duct is damaged by the shake at the time of an earthquake, It does not prevent the ceiling board 108 and the air conditioner 110 from colliding violently.

  This invention makes it a subject to provide the ceiling installation structure of the air conditioner which can prevent that an air conditioner and a ceiling board collide at the time of an earthquake occurrence in view of said situation.

  In order to solve the above problems, the ceiling installation structure of the air conditioner according to the present invention is the ceiling installation structure of an air conditioner in which the air conditioner is located on the back side of the ceiling. The ceiling surface panel of the machine is located, the main body of the air conditioner is located above the opening, and the ceiling surface vent of the main body is connected to the ceiling surface panel by a deformable cylindrical member It is characterized by that.

  With the above configuration, even when a phase shift of shaking occurs between the ceiling and the main body of the air conditioner when an earthquake occurs, the main body of the air conditioner is located above the opening. It can avoid that the main body of the said air conditioner collides with the said ceiling board. Moreover, since the ceiling surface vent of the main body is connected to the ceiling surface panel by a deformable cylindrical member, it can be appropriately air-conditioned and the ceiling surface panel shakes integrally with the ceiling plate during an earthquake. Is possible. Therefore, it is possible to prevent the air conditioner and the ceiling plate from colliding when an earthquake occurs.

  The main body of the air conditioner may be located above the base of the ceiling. According to this, not only the ceiling board but also a collision between the ceiling base and the main body of the air conditioner can be prevented.

  The deformable cylinder member may have an easy-to-break portion that breaks when subjected to a certain tensile force. According to this, when the ceiling panel is strongly pulled by the deformable cylinder member due to the shaking of the earthquake, the deformable cylinder member can be broken, so that the ceiling panel is peeled off from the ceiling plate. Thus, the situation that the ceiling board is destroyed can be prevented.

  The deformable cylinder member may have a detachment part that detaches from the ceiling panel or the main body when receiving a tensile force of a certain level or more. According to this, when the ceiling panel is strongly pulled by the deformable cylinder member due to an earthquake, the deformable cylinder member can be detached from the ceiling panel or the main body. Can be prevented from being peeled off from the ceiling plate and destroyed. Furthermore, since the deformable cylinder member is not broken, the deformable cylinder member can be reused without being discarded.

  A lifting portion that pulls up the ceiling panel, a stopping portion that stops the lifting operation of the lifting portion, and a release operation portion that releases the stopping by the stopping portion when a certain level of vibration occurs. It may be. According to this, when the shaking occurs due to an earthquake, the ceiling panel can move above the ceiling panel, and this movement reduces the chance of collision between the ceiling panel and the ceiling panel. Moreover, if it is this structure, the said ceiling surface panel does not need to be fixed to the said ceiling board.

  You may provide the fall prevention tool which connects the said ceiling surface panel and the said main body, and prevents the fall of the said ceiling surface panel. According to this, the fall of the said ceiling surface panel can be prevented.

  The ceiling installation structure of the air conditioner according to the present invention is the ceiling installation structure of the air conditioner in which the air conditioner is located on the back side of the ceiling, wherein a ceiling panel is attached to the main body of the air conditioner, and is formed on the ceiling plate of the ceiling The ceiling panel is located above the opened opening. With such a configuration, even when a phase shift of shaking occurs between the ceiling and the air conditioner when an earthquake occurs, the main body of the air conditioner is located above the opening formed in the ceiling plate of the ceiling. Since the ceiling panel is located, it is possible to prevent the air conditioner from colliding with the ceiling board when an earthquake occurs.

  The ceiling installation structure for an air conditioner according to the present invention is the ceiling installation structure for an air conditioner in which the air conditioner is located on the back side of the ceiling. The air conditioner is provided such that a front peripheral side thereof is in contact with the surface portion. With such a configuration, even when a phase shift of shaking occurs between the ceiling and the air conditioner at the time of the occurrence of an earthquake, the air conditioner is in contact with the surface portion on the front side of the air conditioner. The air conditioner escapes upward by a force pushing the front peripheral side. Therefore, it is possible to prevent the air conditioner and the ceiling plate from colliding when an earthquake occurs.

  If it is this invention, there exists an effect that it can prevent that an air conditioner and a ceiling board collide at the time of the occurrence of an earthquake.

It is explanatory drawing which showed the ceiling installation structure of the air conditioner of embodiment of this invention. It is explanatory drawing which showed the state at the time of the occurrence of an earthquake in the installation structure of FIG. It is explanatory drawing which showed the ceiling installation structure of the air conditioner of other embodiment of this invention. It is explanatory drawing which showed the ceiling installation structure of the air conditioner of other embodiment of this invention. It is explanatory drawing which showed the ceiling installation structure of the air conditioner of other embodiment of this invention. It is explanatory drawing which showed the ceiling installation structure of the air conditioner of other embodiment of this invention. It is explanatory drawing which showed the ceiling installation structure of the air conditioner of other embodiment of this invention. FIGS. 8A and 8B are views showing the holding mechanism used in the installation structure of FIG. 7, in which FIG. 7A is a longitudinal sectional view of the holding mechanism, and FIG. is there. It is explanatory drawing which showed the ceiling installation structure of the conventional air conditioner. It is explanatory drawing which showed the state at the time of the occurrence of an earthquake in the installation structure of FIG.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
In the embodiment shown in FIG. 1, a ceiling cassette type air conditioner indoor unit 1 is installed as an air conditioner on the back side of the suspended ceiling 11. In the suspended ceiling 11, a hanger 14 is fixed to a lower end portion of a suspension bolt 13 suspended from a building frame 12, and a field edge receiver 15 is supported by the hanger 14. A field edge 17 is attached to the field edge receiver 15 with a clip 16, and a ceiling plate 18 is supported on the field edge 17.

  The air conditioning indoor unit 1 is fixed to a suspension bolt 13 suspended from the housing 12. The main body 1a of the air conditioning indoor unit 1 is located above the ground (the field edge 17, the field edge receiver 15, or the hanger 14) of the suspended ceiling 11. A ceiling surface vent 1c is formed on the front surface (lower surface) of the main body 1a of the air conditioning indoor unit 1. The ceiling vent 1c is composed of an air outlet and an air inlet. In addition, a blower 1 d and the like are provided in the main body 1 a of the air conditioning indoor unit 1.

  The ceiling panel 1b of the air conditioning indoor unit 1 is located in the opening 11a formed in the ceiling plate 18. The ceiling panel 1b has a peripheral portion positioned below the ceiling plate 18 so that a gap between the openings 11a is hidden. In this embodiment, the peripheral portion of the ceiling panel 1 b is screwed to the ceiling plate 18. The ceiling panel 1b may be composed of a base part and a decorative part, the base part may be screwed as described above, and the screw may be hidden by the decorative part.

  The ceiling surface vent 1c is connected to the ceiling surface panel 1b by a bellows 2 as a deformable cylindrical member. The bellows 2 hangs down from the main body 1a, for example, in a state where the ceiling 11 is constructed and the main body 1a of the air conditioning indoor unit 1 is suspended. And the said bellows 2 is pulled out under the ceiling from the said opening 11a by the installer, and the lower end is connected to the said ceiling surface panel 1b. Thereafter, the bellows 2 is pushed into the back of the ceiling by lifting the ceiling panel 1b, and the ceiling panel 1b is screwed to the ceiling plate 18.

  Moreover, in this installation structure, the fall prevention tool 5 which connects the said ceiling surface panel 1b and the said main body 1a and prevents the fall of the said ceiling surface panel 1b is provided. For example, the fall prevention tool 5 includes a hook portion 51 protruding from the side surface of the main body 1a, a ring bolt 53 screwed to the back surface of the ceiling panel 1b, the protrusion portion 51, and the ring bolt 53. It consists of a connecting wire 52. The connection between the wire 52 and the ring bolt 53 in the fall prevention tool 5 can be performed when the bellows 2 is connected to the ceiling panel 1b.

  If the ceiling installation structure of the air conditioner, as shown in FIG. 2, even when a phase shift of shaking occurs between the ceiling 11 and the main body 1a of the air conditioning indoor unit 1 when an earthquake occurs, Since the main body 1a of the air conditioning indoor unit 1 is located above the opening 11a, it is possible to avoid the main body 1a of the air conditioning indoor unit 1 from colliding with the ceiling plate 18. Further, since the ceiling surface vent 1c is connected to the ceiling surface panel 1b by the bellows 2, the air conditioning can be appropriately performed, and the ceiling surface panel 1b can be shaken integrally with the ceiling plate 18 during an earthquake. Is possible. Therefore, it is possible to prevent the air conditioning indoor unit 1 and the ceiling plate 18 from colliding when an earthquake occurs. Even when the ceiling panel 1b and the ceiling panel 18 collide with each other when the ceiling panel 1b is not fixed to the ceiling panel 18, the ceiling panel 18 is lighter than the main body, so that the ceiling panel 18 Even if is destroyed.

  In the above example, since the main body 1a of the air conditioning indoor unit 1 is located above the base of the ceiling 11, not only the ceiling plate 18 but also the base of the ceiling 11 and the main body 1a. Collisions can also be prevented.

  In the above example, since the fall prevention device 5 that connects the ceiling panel 1b and the main body 1a to prevent the ceiling panel 1b from falling is provided, the ceiling panel 1b can be prevented from falling. . A plurality of the fall prevention tools 5 may be provided.

  In the above example, the air outlet and the air suction port of the ceiling surface vent 1c in the main body 1a are connected to the ceiling surface panel 1b by one bellows 2. It is desirable that the air outlet and the air inlet of the main body 1a are individually connected to the air outlet and the air inlet corresponding to the ceiling panel 1b. In this individually connected configuration, an electric flap mechanism is provided at the air outlet of the ceiling panel 1b, and a control line for controlling the electric flap mechanism is connected to the ceiling panel 1b from the main body 1a side. You may be made to do. The same applies to the following embodiments.

  Drawing 3 is an explanatory view showing the ceiling installation structure of the air conditioner of other embodiments. In this installation structure, the bellows 2 has an easily breakable portion 2a that breaks when subjected to a tensile force of a certain level or more. The easily breakable portion 2a is composed of a portion made thinner than other fabric portions or a material portion easily broken.

  In the configuration having such an easy breakable portion 2a, the bellows 2 can be easily broken when the ceiling surface panel 1b is strongly pulled by the bellows 2 due to a shake of an earthquake. It is possible to prevent a situation in which the ceiling plate 18 is broken by being peeled off from the ceiling plate 18.

  FIG. 4 is an explanatory view showing a ceiling installation structure of an air conditioner according to another embodiment. In this installation structure, the bellows 2 has a detaching portion 3 that detaches from the ceiling surface panel 1b when receiving a tensile force of a certain level or more. The detachment portion 3 is composed of a pair of frame members having a frame shape corresponding to the opening shape of the bellows 2. For example, the frame member attached to the bellows 2 side is made of a magnetic material such as iron, and the frame member attached to the ceiling surface panel 1b side is entirely a magnet or part of the frame member.

  With such a structure having the detaching portion 3, the ceiling surface panel 1 b can be detached from the ceiling surface panel 1 b when the ceiling surface panel 1 b is strongly pulled by the bellows 2 due to an earthquake. It is possible to prevent a situation in which the panel 1b is peeled off from the ceiling plate 18 and the ceiling plate 18 is destroyed. Further, since the bellows 2 is not broken, the bellows 2 can be reused without being discarded.

  The detachment part 3 is not limited to those joined by the magnetic force, but may be joined by a hook-and-loop fastener, a hook, a double-sided tape, an adhesive, or the like. Further, a sealing member may be disposed on the detachment portion 3 in order to improve the airtightness. Moreover, the said detachment | leave part 3 may be comprised so that it may detach | leave from the said main body 1a.

  FIG. 5 is an explanatory view showing a ceiling installation structure of an air conditioner according to another embodiment. In this installation structure, the pull-up portion 41 that pulls up the ceiling panel 1b, the stop portion 42 that stops the pull-up operation of the pull-up portion 41, and the stop portion 42 when a certain level of vibration occurs. And a release operation unit 43 that releases the restraint. These mechanisms are provided in the main body 1a of the air conditioning indoor unit 1.

  The pulling unit 41 is configured to wind the wire 41a by a mechanism using a winding drum for winding a power cord, for example. The tip of the wire 41a is connected to the ceiling panel 1b. The stopping portion 42 includes, for example, a ratchet mechanism used in the winding drum and a switch that releases a locked state by the ratchet mechanism. The release operation unit 43 includes a weight ball 43 a provided so as to fall with a certain level of shaking, and a string 43 b that connects the weight ball 43 a and the switch of the stop unit 42. When the weight ball 43a falls due to a certain level of vibration, the switch of the restraining portion 42 operates, the wire 41a is wound up by the winding drum, and the ceiling panel 1b is pulled up.

  According to this, since the ceiling panel 1b can move above the ceiling board 18 when shaking occurs due to an earthquake, this movement reduces the chance of collision between the ceiling panel 18 and the ceiling panel 1b. It will be. In the case of this configuration, the ceiling panel 1b does not have to be fixed to the ceiling plate 18. It should be noted that the peripheral portion of the ceiling panel 1b may be bent by a flexible member or configured to be bent by a hinge so that the peripheral portion of the ceiling panel 1b is not caught by the ceiling plate 18 during the pulling. It is done. Further, a configuration in which the peripheral portion is not positioned under the ceiling board 18 can be employed. Further, a plurality of mechanisms including the pulling portion 41, the restraining portion 42, and the releasing operation portion 43 may be provided. Further, an acceleration sensor or the like may be used as the earthquake sensor, and the switch may be operated by an electrical operation such as an electromagnetic solenoid in accordance with the output of the earthquake sensor that shows a certain level of vibration.

  In the above configuration, the bellows 2 is shown as a deformable cylindrical member. However, the bellows 2 is not limited to such a bellows, and the cylindrical cloth member, the cylindrical rubber, the hose-like member, or the cylindrical diameter is different. An expandable and contractible cylinder member made of a plurality of cylinders can be used.

  FIG. 6 is an explanatory view showing a ceiling installation structure of an air conditioner according to another embodiment. In this installation structure, the ceiling panel 1b is attached to the main body 1a of the air conditioning indoor unit 1, and the ceiling panel 1b is located above the opening 11a formed in the ceiling plate 18 of the ceiling 11. Yes. In this example, the ceiling panel 1b is positioned above the field edge 17, but may be positioned above the ceiling board 18 or above the field edge receiver 15. In this example, the decorative frame 6 is disposed around the opening 11a, and the ceiling panel 1b is positioned above the field edge 17 while the ceiling panel 1b is positioned above the opening 11a. It is difficult to make a gap in the surface.

  With such a configuration, even if a phase shift of shaking occurs between the ceiling 11 and the air conditioner indoor unit 1 when an earthquake occurs, the top of the opening 11a formed in the ceiling plate 18 of the ceiling 11 is above. Since the main body 1a and the ceiling panel 1b of the air conditioning indoor unit 1 are located at the same time, it is possible to prevent the air conditioning indoor unit 1 and the ceiling plate 18 from colliding when an earthquake occurs.

  FIG. 7 is an explanatory view showing a ceiling installation structure of an air conditioner according to another embodiment. In this installation structure, a taper member 7 also serving as a decorative frame is provided in an opening 11 a formed in the ceiling plate 18 of the ceiling 11. A tapered portion (surface portion) 7 a having a mortar shape (not limited to a circular shape) is formed on the inner side of the tapered member 7. The taper member 7 is fixed to a suspension bolt 13 constituting the ceiling 11. The taper portion (surface portion) 7a is not limited to a flat surface, but may be a curved surface with a rising slope on the peripheral side.

  The air conditioner indoor unit 1 is provided such that the peripheral portion of the ceiling panel 1b as the front peripheral side thereof is in contact with the tapered portion 7a. And in this example, the said ceiling surface panel 1b comes out below the lower surface of the said taper member 7, and has improved the ceiling appearance from the room | chamber interior.

  A suspension bolt 13A that supports the air conditioning indoor unit 1 is provided with a suspension bolt 13A via a holding mechanism 8, and the air conditioning indoor unit 1 is fixed to the suspension bolt 13A. FIGS. 8A and 8B are views showing the upper end portion of the suspension bolt 13 </ b> A and the holding mechanism 8. Circumferential concave portions and circumferential convex portions are alternately formed at regular intervals on the upper end portion of the suspension bolt 13A. The holding mechanism 8 includes a substantially cylindrical chuck frame portion 81, three divided biting members 82 that form a substantially cylindrical shape as a whole, and a spring that biases these three divided biting members 82 in the direction of the arrow in the figure. 83. Convex portions and concave portions corresponding to the circumferential concave portions and the circumferential convex portions of the suspension bolt 13 </ b> A are formed on the inner end of each divided biting member 82. A tapered portion is formed inside the tip of the chuck frame portion 81, and a tapered portion that contacts the tapered portion is also formed outside the tip of the three divided biting members 82. The gap is secured between the outer surface of the divided biting member 82 and the inner surface of the chuck frame portion 81 in a state where the three divided biting members 81 bit the suspension bolt 13A. When the three divided biting members 82 move against the bias of the spring 83, the divided biting members 82 are separated from each other by the action of the tapered portion, while the three divided biting members 82 are separated from each other. When the member 82 moves in the urging direction of the spring 83, the split biting member 82 approaches and is tightened by the action of the spring 83 and the tapered portion, and the suspension bolt 13A is firmly fixed.

  In the case of the above configuration, even when a phase shift of shaking occurs between the ceiling 11 and the air conditioning indoor unit 1 at the time of the occurrence of an earthquake, the air conditioning indoor unit 1 is in contact with the tapered portion 7a on the front peripheral side thereof. The air conditioner indoor unit 1 escapes upward by the force with which the ceiling plate 18 pushes the front peripheral side. Therefore, it is possible to prevent the air conditioning indoor unit 1 and the ceiling plate 18 from colliding when an earthquake occurs.

  Further, when the air conditioning indoor unit 1 escapes upward, the escape mechanism is absorbed at the same time as the escape is absorbed by the holding mechanism 8, and the air conditioning indoor unit 1 stays at the raised position. The holding mechanism 8 can also be configured by a ratchet mechanism or the like. For example, the air conditioning indoor unit 1 can be returned to the original position by expanding the chuck frame 81 with a dedicated jig. Further, the taper member 7 is not limited to being fixed to the suspension bolt 13 constituting the ceiling 11.

  In addition, the air conditioning indoor unit 1 is provided so as to be able to descend, for example, a distance equal to or higher than the height of the main body 1a, and a restraining portion that restrains the descending and a descending restraint by the restraining portion when a certain level of vibration occurs. If the structure which provided the cancellation | release part which cancels | releases, the main body 1a of the said air conditioning indoor unit 1 will descend | fall and will be located under a ceiling board at the time of an earthquake occurrence, It is possible to avoid collisions.

  As mentioned above, although embodiment of this invention was described with reference to drawings, this invention is not limited to the thing of embodiment shown in figure. Various modifications and variations can be made to the illustrated embodiment within the same range or equivalent range as the present invention.

1 Air conditioner indoor unit (air conditioner)
1a Body 1b Ceiling panel 2 Bellows (deformable tube member)
2a Easy breakage 3 Detachment part 41 Lifting part 42 Restraining part 43 Release action part 5 Fall prevention tool 6 Cosmetic frame 7 Taper member 7a Taper part (surface part)
8 Holding mechanism 11 Ceiling 11a Opening 12 Housing 13 Suspension bolt 17 Field edge 18 Ceiling board

Claims (8)

  In the ceiling installation structure of the air conditioner in which the air conditioner is located on the back side of the ceiling, the ceiling surface panel of the air conditioner is located in the opening formed in the ceiling plate of the ceiling, and the main body of the air conditioner has the opening of the opening. A ceiling installation structure for an air conditioner, which is located above and wherein the ceiling surface vent of the main body is connected to the ceiling surface panel by a deformable cylindrical member.   2. The ceiling installation structure for an air conditioner according to claim 1, wherein the main body of the air conditioner is located above the base of the ceiling.   The ceiling-mounted structure of the air conditioner according to claim 1 or 2, wherein the deformable cylindrical member has an easily breakable portion that is broken when subjected to a tensile force of a certain level or more. Ceiling installation structure.   3. The ceiling installation structure for an air conditioner according to claim 1 or 2, wherein the deformable tube member has a detaching portion that detaches from the ceiling panel or the main body when subjected to a tensile force of a certain level or more. A ceiling installation structure for air conditioners.   The ceiling installation structure for an air conditioner according to claim 1 or 2, wherein a pulling portion that pulls up the ceiling panel, a restraining portion that restrains the pulling operation of the lifting portion, and a certain level of vibration are generated. An air conditioner ceiling installation structure comprising: a release operation unit that releases the restraint by the restraining unit when the   In the ceiling installation structure of the air conditioner of any one of Claims 1-5, the fall prevention tool which connects the said ceiling surface panel and the said main body and prevents the fall of the said ceiling surface panel was provided. The ceiling installation structure of the air conditioner characterized by   In the ceiling installation structure of the air conditioner in which the air conditioner is located on the back side of the ceiling, the ceiling surface panel is attached to the main body of the air conditioner, and the ceiling surface panel is located above the opening formed in the ceiling plate of the ceiling. The ceiling installation structure of the air conditioner characterized by being located.   In the ceiling installation structure of the air conditioner where the air conditioner is located on the back side of the ceiling, a surface portion with a rising slope on the peripheral side is located in the opening formed in the ceiling plate of the ceiling, and the air conditioner has a front peripheral side on the front side. A ceiling installation structure for an air conditioner, wherein the ceiling installation structure is provided so as to be in contact with the surface portion.

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