WO2019239449A1 - Indoor unit for air conditioner - Google Patents

Indoor unit for air conditioner Download PDF

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Publication number
WO2019239449A1
WO2019239449A1 PCT/JP2018/022159 JP2018022159W WO2019239449A1 WO 2019239449 A1 WO2019239449 A1 WO 2019239449A1 JP 2018022159 W JP2018022159 W JP 2018022159W WO 2019239449 A1 WO2019239449 A1 WO 2019239449A1
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WO
WIPO (PCT)
Prior art keywords
indoor unit
main body
assembly
pair
unit
Prior art date
Application number
PCT/JP2018/022159
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French (fr)
Japanese (ja)
Inventor
啓史 石原
優作 関
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 PCT/JP2018/022159 priority Critical patent/WO2019239449A1/en
Priority to JP2020524950A priority patent/JP6932258B2/en
Publication of WO2019239449A1 publication Critical patent/WO2019239449A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/32—Supports for air-conditioning, air-humidification or ventilation units

Definitions

  • the present invention relates to an indoor unit of an air conditioner including a temporary hanging device for temporarily hanging an assembly unit on an indoor unit main body.
  • An indoor unit of an air conditioner an indoor unit of an embedded air conditioner embedded in a ceiling is known.
  • An indoor unit of a ceiling-embedded air conditioner generally has an assembly unit, a decorative panel, and the like attached to an installed indoor unit body.
  • the temporary fixing is temporarily performed before the main fixing with screws or the like.
  • a temporary hanging device for fixing is disclosed.
  • a hook bent in a U-shape is rotatably provided, and the hook is locked to a claw corresponding to the hook.
  • the present invention has been made in order to solve the above-described problems, and provides an indoor unit of an air conditioner that suppresses the release of temporary attachment of an assembly unit.
  • An indoor unit of an air conditioner includes an indoor unit body that is attached to a ceiling and has a main body claw portion that protrudes laterally, an assembly unit that is detachably assembled to the indoor unit body, and an assembly unit A temporary hanging device that temporarily hangs the assembly unit on the indoor unit body, the temporary hanging device being attached to the assembly unit, and being rotatably attached to the assembly tool, A hook portion hooked to the claw portion, the hook portion being a pair of horizontally extending rotation shaft portions rotatably provided on the assembly tool, and a pair of leg portions extending upward from the pair of rotation shaft portions. And a pair of restricting portions that are connected to the pair of leg portions and extend upward inside the pair of leg portions, and a frame-like temporary hook portion that is connected to the pair of restricting portions and is hooked on the main body claw portion.
  • the hook portion of the temporary hooking device since the hook portion of the temporary hooking device has a pair of restricting portions, even if a large upward force is applied to the temporary hooking portion and the pair of leg portions bend inward, A pair of restricting portions collide with each other. For this reason, it is suppressed that a pair of leg part tries to bend. Accordingly, since the deformation of the temporary hooking device is suppressed, the release of the temporary hook of the assembly unit in the indoor unit main body can be suppressed.
  • Compressor 71, flow path switching device 72, outdoor heat exchanger 73, expansion section 75, and heat exchanger 3 are connected by piping to constitute refrigerant circuit 70.
  • the compressor 71 sucks refrigerant in a low-temperature and low-pressure state, compresses the sucked refrigerant, and discharges it as a refrigerant in a high-temperature and high-pressure state.
  • the flow path switching device 72 switches the direction in which the refrigerant flows in the refrigerant circuit 70, and is, for example, a four-way valve.
  • the outdoor heat exchanger 73 exchanges heat between outdoor air and a refrigerant, for example.
  • the outdoor heat exchanger 73 acts as a condenser during the cooling operation, and acts as an evaporator during the heating operation.
  • the outdoor blower 74 is a device that sends outdoor air to the outdoor heat exchanger 73.
  • the expansion part 75 is a pressure reducing valve or an expansion valve that expands by depressurizing the refrigerant.
  • the expansion part 75 is an electronic expansion valve whose opening degree is adjusted, for example.
  • the heat exchanger 3 exchanges heat between indoor air and a refrigerant, for example.
  • the heat exchanger 3 acts as an evaporator during the cooling operation, and acts as a condenser during the heating operation.
  • the centrifugal blower 2 is a device that sends room air to the heat exchanger 3.
  • the operation mode of the air conditioner 1000 will be described.
  • the cooling operation In the cooling operation, the refrigerant sucked into the compressor 71 is compressed by the compressor 71 and discharged in a high-temperature and high-pressure gas state.
  • the high-temperature and high-pressure gaseous refrigerant discharged from the compressor 71 passes through the flow path switching device 72 and flows into the outdoor heat exchanger 73 that acts as a condenser.
  • the outdoor blower 74 In the outdoor heat exchanger 73, the outdoor blower 74. Heat exchanges with the outdoor air sent by the liquefaction and condensates.
  • the condensed liquid refrigerant flows into the expansion section 75 and is expanded and depressurized in the expansion section 75 to become a low-temperature low-pressure gas-liquid two-phase refrigerant.
  • the gas-liquid two-phase refrigerant flows into the heat exchanger 3 acting as an evaporator, and in the heat exchanger 3, heat is exchanged with room air sent by the centrifugal blower 2 to evaporate gas. At this time, the room air is cooled, and the room is cooled.
  • the evaporated low-temperature and low-pressure gaseous refrigerant passes through the flow path switching device 72 and is sucked into the compressor 71.
  • the heating operation will be described.
  • the refrigerant sucked into the compressor 71 is compressed by the compressor 71 and discharged in a high-temperature and high-pressure gas state.
  • the high-temperature and high-pressure gaseous refrigerant discharged from the compressor 71 passes through the flow path switching device 72 and flows into the heat exchanger 3 acting as a condenser, and is sent by the centrifugal blower 2 in the heat exchanger 3. Heat is exchanged with indoor air to be condensed and liquefied. At this time, indoor air is warmed and heating is performed indoors.
  • the condensed liquid refrigerant flows into the expansion section 75 and is expanded and depressurized in the expansion section 75 to become a low-temperature low-pressure gas-liquid two-phase refrigerant.
  • the gas-liquid two-phase refrigerant flows into the outdoor heat exchanger 73 acting as an evaporator, and in the outdoor heat exchanger 73, heat is exchanged with the outdoor air sent by the outdoor blower 74 to evaporate and gasify.
  • the evaporated low-temperature and low-pressure gaseous refrigerant passes through the flow path switching device 72 and is sucked into the compressor 71.
  • FIG. 2 is an assembled perspective view showing the indoor unit 50 of the air conditioner 1000 according to Embodiment 1 of the present invention.
  • the air conditioner 1000 is, for example, a ceiling-embedded air conditioner.
  • the indoor unit 50 of the air conditioner 1000 includes an indoor unit main body 100 that is attached to the ceiling, an assembly unit 200 that is detachably attached to the indoor unit main body 100, and a decorative panel 300 that is detachably attached to the assembly unit 200.
  • the indoor unit 50 includes a temporary hanging device 7 (see FIG. 4) for temporarily hanging the assembly unit 200 on the indoor unit main body 100 and a makeup panel hook 11 (see FIG. 4) for temporarily hanging the decorative panel 300 on the assembly unit 200. 4).
  • FIG. 3 is a cross-sectional view showing the indoor unit 50 of the air conditioner 1000 according to Embodiment 1 of the present invention.
  • the indoor unit main body 100 is, for example, a bottomed rectangular tube-shaped casing, and a suction port 1 through which indoor air is sucked is formed at the lower center of the indoor unit main body 100.
  • An air passage 4 through which air passes is formed on the inner wall side of the indoor unit main body 100.
  • a centrifugal blower 2 and a heat exchanger 3 are provided inside the indoor unit main body 100. The centrifugal blower 2 sucks room air from the suction port 1 and blows it out radially.
  • the heat exchanger 3 is arranged so as to surround the centrifugal blower 2 and exchanges heat between the refrigerant sent from the outdoor unit 60 and the room air.
  • the temperature of the room air sucked from the suction port 1 by the centrifugal blower 2 is adjusted by heat exchange with the refrigerant in the heat exchanger 3, and returns to the room through the air path 4 again.
  • FIG. 4 is an exploded perspective view showing the indoor unit 50 of the air conditioner 1000 according to Embodiment 1 of the present invention.
  • the indoor unit main body 100 includes a suspension fitting 6 into which a suspension bolt (not shown) suspended from the ceiling is inserted and screwed.
  • a suspension bolt (not shown) suspended from the ceiling is inserted and screwed.
  • four suspension fittings 6 are provided on the side surface of the indoor unit main body 100, and the indoor unit main body 100 is installed in the ceiling by screwing the suspension fitting 6 to the suspension bolt.
  • the main body claw part 10 which protruded to the side so that the temporary hooking device 7 may be hooked is provided in the inner wall of the indoor unit main body 100.
  • the assembly unit 200 is a frame-like member that controls the air blowing direction in the left-right direction, for example, and is fixed to the indoor unit main body 100 with screws 14.
  • the decorative panel 300 includes a panel body 19, a design panel 16, a vane 5, and a grill 17.
  • the panel body 19 is fixed to the assembly unit 200 with screws 15 in order to improve the design.
  • the design panel 16 covers the screws 15 and the like to improve design properties, and is attached to each of the four corners of the panel body 19.
  • the vanes 5 are provided on the four sides of the panel main body 19 so as to be swingable. When the vanes 5 swing, for example, the air blowing direction in the vertical direction is controlled.
  • the grill 17 covers the suction port 1 of the indoor unit main body 100 and performs filtering of the sucked indoor air.
  • FIG. 5 is a perspective view showing the temporary hooking device 7 according to Embodiment 1 of the present invention.
  • Two temporary hanging devices 7 are provided on the diagonal of the indoor unit 50, and are members for temporarily hanging the assembly unit 200 on the indoor unit main body 100 as described above.
  • the temporary hooking device 7 includes an assembly tool 8 that is attached to the assembly unit 200 and a hook portion 9 that is rotatably attached to the assembly tool 8.
  • the assembly tool 8 includes a main body portion 8e, a pair of shaft insertion portions 8c, a stopper 20, and an assembly claw portion 13.
  • the main body portion 8 e is a flat plate member that is attached to the assembly unit 200.
  • the pair of shaft insertion portions 8c is obtained by inserting the rotation shaft portion 9d (see FIG. 6) of the hook portion 9 and bending the lower portion of the main body portion 8e in a circular shape.
  • the stopper 20 is provided in the main body portion 8e and regulates the rotation range of the hook portion 9 that rotates about the shaft insertion portion 8
  • the stopper 20 restricts the rotation range of the hook portion 9 so that the movement amount when the restricting portion 9b (see FIG. 6) of the hook portion 9 is rotated is shorter than the protruding length of the main body claw portion 10.
  • the stopper 20 has a main body side pressing portion 8b and an opposite side pressing portion 8a.
  • the main body side pressing part 8b presses the indoor unit main body 100 side of the restriction part 9b so as to restrict the restriction part 9b (see FIG. 6) of the hook part 9 from rotating to the indoor unit main body 100 side.
  • the main body side pressing portion 8b is a portion where the main body portion 8e is cut and raised. Even if the hook portion 9 tries to rotate toward the indoor unit main body 100, it hits the cut and raised portion. Therefore, the restricting portion 9b is restricted from rotating toward the indoor unit main body 100 side.
  • the opposite side pressing portion 8a presses the opposite side of the regulating portion 9b from the indoor unit main body 100 side so as to regulate the rotation of the regulating portion 9b of the hook portion 9 to the side opposite to the indoor unit main body 100 side.
  • the opposite side pressing portion 8a is a portion where the main body portion 8e is cut and raised higher than the main body side pressing portion 8b, and the hook portion 9 is inserted into the cut and raised portion. Thereby, even if the hook part 9 tries to rotate to the opposite side to the indoor unit main body 100 side, it hits the cut and raised part. Therefore, the restricting portion 9b is restricted from rotating to the side opposite to the indoor unit body 100.
  • the assembly claw portion 13 is provided between the pair of shaft insertion portions 8c at the lower portion of the main body portion 8e, and protrudes from the main body portion 8e.
  • the decorative panel hook portion 12 of the decorative panel hook 11 is hooked on the assembly claw portion 13.
  • the dimension of the assembly claw part 13 is the same as the dimension of the main body claw part 10.
  • FIG. 6 is a front view showing the hook portion 9 according to Embodiment 1 of the present invention.
  • the hook portion 9 is manufactured by bending a wire, and has a pair of rotating shaft portions 9d, a pair of leg portions 9c, a pair of restricting portions 9b, and a temporary hooking portion 9a.
  • the rotation shaft portion 9 d extends in the horizontal direction, is inserted into the shaft insertion portion 8 c of the assembly tool 8, and is rotatably provided on the assembly tool 8.
  • the leg portion 9c extends upward from the pair of rotating shaft portions 9d.
  • the pair of leg portions 9 c are separated from the assembly claw portion 13.
  • the restricting portion 9b is connected to the pair of leg portions 9c and extends upward on the inner side of the pair of leg portions 9c.
  • the pair of restricting portions 9b are brought close to just before contacting each other, for example.
  • the temporary hooking portion 9 a is connected to the pair of regulating portions 9 b and has a frame shape so as to
  • FIG. 7 is a cross-sectional view showing the hook portion 9 according to Embodiment 1 of the present invention.
  • the hook portion 9 is inserted between the opposite side pressing portion 8a of the assembly tool 8 and the main body side pressing portion 8b.
  • the hook part 9 tries to rotate to the indoor unit main body 100 side, it hits the main body side pressing part 8b, and even if the hook part 9 tries to rotate to the side opposite to the indoor unit main body 100, it hits the opposite side pressing part 8a. Therefore, rotation of the hook portion 9 is suppressed.
  • the temporary hooking device 7 it is possible to suppress the hook portion 9 from falling over to the side opposite to the indoor unit main body 100 side during the temporary hooking operation, and to be difficult to be hooked on the main body claw portion 10, thereby improving workability.
  • the noise generated by the hook portion 9 coming into contact with other parts is suppressed.
  • the assembly range of the hook unit 9 is shorter than the projecting length of the main body claw unit 10. Before the 200 falls, the indoor unit body 100 is reliably caught. Therefore, the assembly unit 200 can be prevented from dropping.
  • two decorative panel hooks 11 are provided on the diagonal of the indoor unit 50, provided on the decorative panel 300, and temporarily hangs the decorative panel 300 on the assembly unit 200.
  • the decorative panel hook 11 has a frame-shaped decorative panel hook portion 12, and the decorative panel hook portion 12 is hooked on the assembly claw portion 13 of the assembly tool 8, whereby the decorative panel 300 is attached to the assembly unit 200.
  • the suspension bolt suspended from the ceiling is screwed to the suspension fitting 6 of the indoor unit body 100, and the indoor unit body 100 is installed inside the ceiling.
  • the temporary hooking portion 9a of the hook portion 9 of the temporary hooking device 7 attached to the mounting unit 200 is hooked on the main body claw portion 10 of the indoor unit main body 100, and the mounting unit 200 is attached to the indoor unit main body 100.
  • the assembly unit 200 is permanently fixed to the indoor unit main body 100 using the screws 14.
  • the makeup panel hook portion 12 of the makeup panel hook 11 attached to the makeup panel 300 is hooked on the assembly claw portion 13 of the assembly tool 8 of the temporary hanging device 7, and the panel body 19 of the makeup panel 300 is moved. Temporarily hung on the assembly unit 200.
  • the panel body 19 is permanently fixed to the assembly unit 200 using the screws 15.
  • the design panel 16 and the grill 17 are attached to the panel main body 19, and the indoor unit 50 is installed on the ceiling.
  • two temporary hanging devices 7 and two decorative panel hooks 11 are provided on the diagonal of the indoor unit 50, and the case where the temporary hanging devices are temporarily hooked one by one is illustrated.
  • the number and installation positions of the temporary hanging device 7 and the decorative panel hook 11 can be changed as appropriate. There is no problem in workability and it is sufficient that the load can be received in a balanced manner.
  • FIG. 8 is a front view showing a temporary hanging device 90 according to a comparative example.
  • the temporary hooking device 90 according to the comparative example connects a pair of rotating shaft portions 9d, a pair of leg portions 9c extending upward from the pair of rotating shaft portions 9d, and a pair of leg portions 9c. And a temporary hanging portion 9a. That is, the temporary hooking device 90 is U-shaped. When a large tension is applied to the temporary hooking portion 9a, the pair of leg portions 9c bend inward. For this reason, the rotating shaft portion 9d is deformed in a direction in which it is removed from the shaft insertion portion 8c of the assembly tool 8.
  • the hook portion 9 of the temporary hooking device 7 since the hook portion 9 of the temporary hooking device 7 has a pair of restricting portions 9b, a large upward force is applied to the temporary hooking portion 9a and the pair of leg portions 9c. Even if it tries to bend inward, a pair of control part 9b collides before that. For this reason, it is suppressed that a pair of leg part 9c tries to bend. Therefore, since the deformation of the rotating shaft portion 9d is suppressed, it is difficult to come off from the shaft insertion portion 8c. Therefore, even if an excessive load is applied to the assembly unit 200, it is suppressed from falling. In this way, the assembly unit 200 is reliably temporarily attached to the indoor unit main body 100.
  • the temporary hanging device 7 is not only used between the indoor unit main body 100 and the decorative panel 300 as in the prior art, but also the assembly unit 200 is further sandwiched between the indoor unit main body 100 and the decorative panel 300, It can be used between the machine main body 100 and the assembly unit 200.
  • the temporary unit 7 and the decorative panel hook 11 cause the assembly unit 200 and the decorative panel 300 to be Prevent falling. That is, the temporary hooking device 7 and the decorative panel hook 11 have a function of preventing falling.
  • the position of the hook portion 9 is different from the position where the hook portion 9 is caught by the claw portion, and there is a doubt about the certainty of the fall prevention function.
  • the temporary hooking portion 9a of the hook portion 9 is in the same position as the main body claw portion 10 even after installation, the first embodiment can surely obtain the function of preventing the fall.
  • the decorative panel hook part 12 of the decorative panel hook 11 is in the same position as the assembly claw part 13 even after installation, the function of preventing the fall can be reliably obtained.
  • the decorative panel hook 11 it is sufficient for the decorative panel hook 11 to support only its own weight of the decorative panel 300, but the temporary hanging device 7 needs to support the own weight of the assembly unit 200 and the own weight of the decorative panel 300. For this reason, the temporary hooking device 7 is not a simple U-shape, and resists the force of being pulled more strongly by providing the restricting portion 9b.
  • the dimension of the assembly claw part 13 is the same as the dimension of the main body claw part 10. For this reason, when the assembly unit 200 is unnecessary, the decorative panel hook portion 12 of the decorative panel hook 11 can be hooked on the main body claw portion 10. Further, when a plurality of assembly units 200 are used in a stacked manner, they can be temporarily hung using each temporary hanger 7. In other words, provisional hanging can be performed regardless of whether the assembly unit 200 is used or not.
  • FIG. FIG. 9 is a perspective view showing a temporary hooking device 7a according to Embodiment 2 of the present invention.
  • the second embodiment is different from the first embodiment in that the stopper 20 has only the main body side pressing portion 8d.
  • the same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted. The description will focus on differences from the first embodiment.
  • the main body side pressing portion 8d is provided at the upper end of the main body portion 8e and presses the indoor unit main body 100 side of the regulating portion 9b.
  • FIG. 10 is a cross-sectional view showing a temporary hooking device 7a according to Embodiment 2 of the present invention.
  • the hook portion 9 even if the hook portion 9 tries to rotate to the indoor unit main body 100 side, it hits the main body side pressing portion 8d. Therefore, rotation of the hook portion 9 is suppressed.
  • the hook portion 9 of the temporary hooking device 7 has a pair of restricting portions 9b as in the first embodiment. ing. For this reason, even if a large upward force is applied to the temporary hooking portion 9a and the pair of leg portions 9c try to bend inward, the pair of regulating portions 9b collide with each other before that.
  • the indoor unit 50 of the ceiling-embedded air conditioner is illustrated, but the present invention is not limited to this.
  • the present invention can be applied to the indoor unit 50 of a refrigeration apparatus, a refrigeration apparatus, or another refrigeration cycle apparatus. Further, the present invention can be applied not only to the refrigeration cycle apparatus but also to a blower or a ventilator.

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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)

Abstract

The present invention provides an indoor unit for an air conditioner, the indoor unit suppressing the release of temporary suspension of an assembly unit. This indoor unit for an air conditioner comprises: an indoor unit body having a body claw part that projects sideways, the indoor unit body being attached to a ceiling; an assembly unit that is removably attached to the indoor unit body; and a temporary suspension device provided to the assembly unit, the temporary suspension device temporarily suspending the assembly unit on the indoor unit body. The temporary suspension device has: an assembly tool attached to the assembly unit; and a hook part that is rotatably attached to the assembly tool, the hook part being caught on the body claw part. The hook part has a pair of rotating shaft parts that are rotatably provided to the assembly tool and extend horizontally, a pair of leg parts that extend upward from the pair of rotating shaft parts, a pair of restriction parts that are connected to the pair of leg parts and extend upward farther inward from the pair of leg parts, and a frame-shaped temporary suspension part that is connected to the pair of restriction parts and is caught on the body claw part.

Description

空気調和機の室内機Air conditioner indoor unit
　本発明は、室内機本体に組付けユニットを仮掛けする仮掛け装置を備える空気調和機の室内機に関する。 The present invention relates to an indoor unit of an air conditioner including a temporary hanging device for temporarily hanging an assembly unit on an indoor unit main body.
　従来、空気調和機の室内機として、天井に埋め込められる天井埋め込み形空気調和機の室内機が知られている。天井埋め込み形空気調和機の室内機は、概して、据え付けられた室内機本体に組付けユニット及び化粧パネル等が取り付けられる。特許文献１～４には、室内機本体に組付けユニット及び化粧パネル等を取り付けることを容易にすることを目的として、ネジ等を用いて本固定を行う前に、一時的に仮掛けして固定する仮掛け装置が開示されている。特許文献１～４の仮掛け装置は、いずれもＵ字状に曲げられたフックが回転自在に設けられ、フックに対応するツメにフックが係止されるものである。 Conventionally, as an indoor unit of an air conditioner, an indoor unit of an embedded air conditioner embedded in a ceiling is known. An indoor unit of a ceiling-embedded air conditioner generally has an assembly unit, a decorative panel, and the like attached to an installed indoor unit body. In Patent Documents 1 to 4, for the purpose of facilitating the attachment of the assembly unit, the decorative panel, etc. to the indoor unit main body, the temporary fixing is temporarily performed before the main fixing with screws or the like. A temporary hanging device for fixing is disclosed. In each of the temporary hooking devices of Patent Documents 1 to 4, a hook bent in a U-shape is rotatably provided, and the hook is locked to a claw corresponding to the hook.
特開２００２－３４９８９２号公報JP 2002-349892 A 特開２０１４－２１５０２４号公報JP 2014-215042 A 特開２００３－２１４６４５号公報JP 2003-214645 A 特開２００９－３６３９４号公報JP 2009-36394 A
　しかしながら、特許文献１～４に開示された仮掛け装置は、Ｕ字状に曲げられたものであるため、大きな力で引っ張られた際にフックが容易に変形して仮掛けが解除されるおそれがある。室内機本体と化粧パネルとの間に取り付けられる組付けユニット等の重量が大きい機器の仮掛けの解除を抑制することが望まれている。 However, since the temporary hooking devices disclosed in Patent Documents 1 to 4 are bent in a U-shape, there is a risk that the hook is easily deformed and pulled temporarily when pulled with a large force. There is. It is desired to suppress the release of provisional hooks of heavy equipment such as an assembly unit attached between the indoor unit main body and the decorative panel.
　本発明は、上記のような課題を解決するためになされたもので、組付けユニットの仮掛けの解除を抑制する空気調和機の室内機を提供するものである。 The present invention has been made in order to solve the above-described problems, and provides an indoor unit of an air conditioner that suppresses the release of temporary attachment of an assembly unit.
　本発明に係る空気調和機の室内機は、天井に取り付けられ、側方に突出する本体ツメ部を有する室内機本体と、室内機本体に着脱自在に組付けられる組付けユニットと、組付けユニットに設けられ、室内機本体に組付けユニットを仮掛けする仮掛け装置と、を備え、仮掛け装置は、組付けユニットに取り付けられる組付け具と、組付け具に回転自在に取り付けられ、本体ツメ部に引っ掛けられるフック部と、を有し、フック部は、組付け具に回転自在に設けられた水平に延びる一対の回転軸部と、一対の回転軸部から上方に延びる一対の脚部と、一対の脚部に接続され、一対の脚部よりも内側において上方に延びる一対の規制部と、一対の規制部に接続され、本体ツメ部に引っ掛けられる枠状の仮掛け部と、を有する。 An indoor unit of an air conditioner according to the present invention includes an indoor unit body that is attached to a ceiling and has a main body claw portion that protrudes laterally, an assembly unit that is detachably assembled to the indoor unit body, and an assembly unit A temporary hanging device that temporarily hangs the assembly unit on the indoor unit body, the temporary hanging device being attached to the assembly unit, and being rotatably attached to the assembly tool, A hook portion hooked to the claw portion, the hook portion being a pair of horizontally extending rotation shaft portions rotatably provided on the assembly tool, and a pair of leg portions extending upward from the pair of rotation shaft portions. And a pair of restricting portions that are connected to the pair of leg portions and extend upward inside the pair of leg portions, and a frame-like temporary hook portion that is connected to the pair of restricting portions and is hooked on the main body claw portion. Have.
　本発明によれば、仮掛け装置のフック部が一対の規制部を有しているため、仮掛け部に上方向の大きな力が加わって一対の脚部が内側に撓もうとしても、その前に一対の規制部同士がぶつかる。このため、一対の脚部が撓もうとすることを抑制する。従って、仮掛け装置の変形が抑制されるため、室内機本体に組付けユニットの仮掛けの解除を抑制することができる。 According to the present invention, since the hook portion of the temporary hooking device has a pair of restricting portions, even if a large upward force is applied to the temporary hooking portion and the pair of leg portions bend inward, A pair of restricting portions collide with each other. For this reason, it is suppressed that a pair of leg part tries to bend. Accordingly, since the deformation of the temporary hooking device is suppressed, the release of the temporary hook of the assembly unit in the indoor unit main body can be suppressed.
本発明の実施の形態１に係る空気調和機１０００を示す回路図である。It is a circuit diagram which shows the air conditioner 1000 which concerns on Embodiment 1 of this invention. 本発明の実施の形態１に係る空気調和機１０００の室内機５０を示す組立斜視図である。It is an assembly perspective view which shows the indoor unit 50 of the air conditioner 1000 which concerns on Embodiment 1 of this invention. 本発明の実施の形態１に係る空気調和機１０００の室内機５０を示す断面図である。It is sectional drawing which shows the indoor unit 50 of the air conditioner 1000 which concerns on Embodiment 1 of this invention. 本発明の実施の形態１に係る空気調和機１０００の室内機５０を示す分解斜視図である。It is a disassembled perspective view which shows the indoor unit 50 of the air conditioner 1000 which concerns on Embodiment 1 of this invention. 本発明の実施の形態１に係る仮掛け装置７を示す斜視図である。It is a perspective view which shows the temporary hooking apparatus 7 which concerns on Embodiment 1 of this invention. 本発明の実施の形態１に係るフック部９を示す正面図である。It is a front view which shows the hook part 9 which concerns on Embodiment 1 of this invention. 本発明の実施の形態１に係るフック部９を示す断面図である。It is sectional drawing which shows the hook part 9 which concerns on Embodiment 1 of this invention. 比較例に係る仮掛け装置９０を示す正面図である。It is a front view which shows the temporary hooking apparatus 90 which concerns on a comparative example. 本発明の実施の形態２に係る仮掛け装置７ａを示す斜視図である。It is a perspective view which shows the temporary hanger 7a which concerns on Embodiment 2 of this invention. 本発明の実施の形態２に係る仮掛け装置７ａを示す断面図である。It is sectional drawing which shows the temporary hanger 7a which concerns on Embodiment 2 of this invention.
実施の形態１．
　以下、本発明に係る空気調和機の室内機の実施の形態について、図面を参照しながら説明する。図１は、本発明の実施の形態１に係る空気調和機１０００を示す回路図である。図１に示すように、空気調和機１０００は、室内空間の空気を調整する装置であり、室外機６０と、室内機５０とを備えている。室外機６０には、圧縮機７１、流路切替装置７２、室外熱交換器７３、室外送風機７４及び膨張部７５が設けられている。室内機５０には、熱交換器３及び遠心送風機２が設けられている。 Embodiment 1 FIG.
Hereinafter, embodiments of an indoor unit of an air conditioner according to the present invention will be described with reference to the drawings. FIG. 1 is a circuit diagram showing an air conditioner 1000 according to Embodiment 1 of the present invention. As shown in FIG. 1, the air conditioner 1000 is a device that adjusts air in an indoor space, and includes an outdoor unit 60 and an indoor unit 50. The outdoor unit 60 is provided with a compressor 71, a flow path switching device 72, an outdoor heat exchanger 73, an outdoor blower 74, and an expansion unit 75. The indoor unit 50 is provided with a heat exchanger 3 and a centrifugal blower 2.
　圧縮機７１、流路切替装置７２、室外熱交換器７３、膨張部７５及び熱交換器３が配管により接続されて冷媒回路７０が構成されている。圧縮機７１は、低温低圧の状態の冷媒を吸入し、吸入した冷媒を圧縮して高温高圧の状態の冷媒にして吐出するものである。流路切替装置７２は、冷媒回路７０において冷媒が流れる方向を切り替えるものであり、例えば四方弁である。室外熱交換器７３は、例えば室外空気と冷媒との間で熱交換するものである。室外熱交換器７３は、冷房運転時には凝縮器として作用し、暖房運転時には蒸発器として作用する。 Compressor 71, flow path switching device 72, outdoor heat exchanger 73, expansion section 75, and heat exchanger 3 are connected by piping to constitute refrigerant circuit 70. The compressor 71 sucks refrigerant in a low-temperature and low-pressure state, compresses the sucked refrigerant, and discharges it as a refrigerant in a high-temperature and high-pressure state. The flow path switching device 72 switches the direction in which the refrigerant flows in the refrigerant circuit 70, and is, for example, a four-way valve. The outdoor heat exchanger 73 exchanges heat between outdoor air and a refrigerant, for example. The outdoor heat exchanger 73 acts as a condenser during the cooling operation, and acts as an evaporator during the heating operation.
　室外送風機７４は、室外熱交換器７３に室外空気を送る機器である。膨張部７５は、冷媒を減圧して膨張する減圧弁又は膨張弁である。膨張部７５は、例えば開度が調整される電子式膨張弁である。熱交換器３は、例えば室内空気と冷媒との間で熱交換するものである。熱交換器３は、冷房運転時には蒸発器として作用し、暖房運転時には凝縮器として作用する。遠心送風機２は、熱交換器３に室内空気を送る機器である。 The outdoor blower 74 is a device that sends outdoor air to the outdoor heat exchanger 73. The expansion part 75 is a pressure reducing valve or an expansion valve that expands by depressurizing the refrigerant. The expansion part 75 is an electronic expansion valve whose opening degree is adjusted, for example. The heat exchanger 3 exchanges heat between indoor air and a refrigerant, for example. The heat exchanger 3 acts as an evaporator during the cooling operation, and acts as a condenser during the heating operation. The centrifugal blower 2 is a device that sends room air to the heat exchanger 3.
　（運転モード、冷房運転）
　次に、空気調和機１０００の運転モードについて説明する。先ず、冷房運転について説明する。冷房運転において、圧縮機７１に吸入された冷媒は、圧縮機７１によって圧縮されて高温高圧のガス状態で吐出する。圧縮機７１から吐出された高温高圧のガス状態の冷媒は、流路切替装置７２を通過して、凝縮器として作用する室外熱交換器７３に流入し、室外熱交換器７３において、室外送風機７４によって送られる室外空気と熱交換されて凝縮液化する。凝縮された液状態の冷媒は、膨張部７５に流入し、膨張部７５において膨張及び減圧されて低温低圧の気液二相状態の冷媒となる。そして、気液二相状態の冷媒は、蒸発器として作用する熱交換器３に流入し、熱交換器３において、遠心送風機２によって送られる室内空気と熱交換されて蒸発ガス化する。このとき、室内空気が冷やされ、室内において冷房が実施される。蒸発した低温低圧のガス状態の冷媒は、流路切替装置７２を通過して、圧縮機７１に吸入される。 (Operation mode, cooling operation)
Next, the operation mode of the air conditioner 1000 will be described. First, the cooling operation will be described. In the cooling operation, the refrigerant sucked into the compressor 71 is compressed by the compressor 71 and discharged in a high-temperature and high-pressure gas state. The high-temperature and high-pressure gaseous refrigerant discharged from the compressor 71 passes through the flow path switching device 72 and flows into the outdoor heat exchanger 73 that acts as a condenser. In the outdoor heat exchanger 73, the outdoor blower 74. Heat exchanges with the outdoor air sent by the liquefaction and condensates. The condensed liquid refrigerant flows into the expansion section 75 and is expanded and depressurized in the expansion section 75 to become a low-temperature low-pressure gas-liquid two-phase refrigerant. The gas-liquid two-phase refrigerant flows into the heat exchanger 3 acting as an evaporator, and in the heat exchanger 3, heat is exchanged with room air sent by the centrifugal blower 2 to evaporate gas. At this time, the room air is cooled, and the room is cooled. The evaporated low-temperature and low-pressure gaseous refrigerant passes through the flow path switching device 72 and is sucked into the compressor 71.
　（運転モード、暖房運転）
　次に、暖房運転について説明する。暖房運転において、圧縮機７１に吸入された冷媒は、圧縮機７１によって圧縮されて高温高圧のガス状態で吐出する。圧縮機７１から吐出された高温高圧のガス状態の冷媒は、流路切替装置７２を通過して、凝縮器として作用する熱交換器３に流入し、熱交換器３において、遠心送風機２によって送られる室内空気と熱交換されて凝縮液化する。このとき、室内空気が暖められ、室内において暖房が実施される。凝縮された液状態の冷媒は、膨張部７５に流入し、膨張部７５において膨張及び減圧されて低温低圧の気液二相状態の冷媒となる。そして、気液二相状態の冷媒は、蒸発器として作用する室外熱交換器７３に流入し、室外熱交換器７３において、室外送風機７４によって送られる室外空気と熱交換されて蒸発ガス化する。蒸発した低温低圧のガス状態の冷媒は、流路切替装置７２を通過して、圧縮機７１に吸入される。 (Operation mode, heating operation)
Next, the heating operation will be described. In the heating operation, the refrigerant sucked into the compressor 71 is compressed by the compressor 71 and discharged in a high-temperature and high-pressure gas state. The high-temperature and high-pressure gaseous refrigerant discharged from the compressor 71 passes through the flow path switching device 72 and flows into the heat exchanger 3 acting as a condenser, and is sent by the centrifugal blower 2 in the heat exchanger 3. Heat is exchanged with indoor air to be condensed and liquefied. At this time, indoor air is warmed and heating is performed indoors. The condensed liquid refrigerant flows into the expansion section 75 and is expanded and depressurized in the expansion section 75 to become a low-temperature low-pressure gas-liquid two-phase refrigerant. The gas-liquid two-phase refrigerant flows into the outdoor heat exchanger 73 acting as an evaporator, and in the outdoor heat exchanger 73, heat is exchanged with the outdoor air sent by the outdoor blower 74 to evaporate and gasify. The evaporated low-temperature and low-pressure gaseous refrigerant passes through the flow path switching device 72 and is sucked into the compressor 71.
　図２は、本発明の実施の形態１に係る空気調和機１０００の室内機５０を示す組立斜視図である。図２に示すように、空気調和機１０００は、例えば、天井埋め込み形空気調和機である。空気調和機１０００の室内機５０は、天井に取り付けられる室内機本体１００と、室内機本体１００に着脱自在に組付けられる組付けユニット２００と、組付けユニット２００に着脱自在に取り付けられる化粧パネル３００とを備える。また、室内機５０は、室内機本体１００に組付けユニット２００を仮掛けする仮掛け装置７（図４参照）と、組付けユニット２００に化粧パネル３００を仮掛けする化粧パネル用フック１１（図４参照）とを備えている。 FIG. 2 is an assembled perspective view showing the indoor unit 50 of the air conditioner 1000 according to Embodiment 1 of the present invention. As shown in FIG. 2, the air conditioner 1000 is, for example, a ceiling-embedded air conditioner. The indoor unit 50 of the air conditioner 1000 includes an indoor unit main body 100 that is attached to the ceiling, an assembly unit 200 that is detachably attached to the indoor unit main body 100, and a decorative panel 300 that is detachably attached to the assembly unit 200. With. The indoor unit 50 includes a temporary hanging device 7 (see FIG. 4) for temporarily hanging the assembly unit 200 on the indoor unit main body 100 and a makeup panel hook 11 (see FIG. 4) for temporarily hanging the decorative panel 300 on the assembly unit 200. 4).
　図３は、本発明の実施の形態１に係る空気調和機１０００の室内機５０を示す断面図である。図３に示すように、室内機本体１００は、例えば有底角筒状の筐体であり、室内機本体１００の中央下部には、室内空気が吸い込まれる吸込み口１が形成されている。また、室内機本体１００の内側壁側には、空気が通過する風路４が形成されている。室内機本体１００の内部には、遠心送風機２と、熱交換器３とが設けられている。遠心送風機２は、吸込み口１から室内空気を吸い込み、放射状に吹き出す。熱交換器３は、遠心送風機２を囲うように配置されており、室外機６０から送られる冷媒と室内空気との間で熱交換する。遠心送風機２によって吸込み口１から吸い込まれた室内空気は、熱交換器３において冷媒と熱交換されることによって温度が調節され、風路４を通って再び室内に戻る。 FIG. 3 is a cross-sectional view showing the indoor unit 50 of the air conditioner 1000 according to Embodiment 1 of the present invention. As shown in FIG. 3, the indoor unit main body 100 is, for example, a bottomed rectangular tube-shaped casing, and a suction port 1 through which indoor air is sucked is formed at the lower center of the indoor unit main body 100. An air passage 4 through which air passes is formed on the inner wall side of the indoor unit main body 100. A centrifugal blower 2 and a heat exchanger 3 are provided inside the indoor unit main body 100. The centrifugal blower 2 sucks room air from the suction port 1 and blows it out radially. The heat exchanger 3 is arranged so as to surround the centrifugal blower 2 and exchanges heat between the refrigerant sent from the outdoor unit 60 and the room air. The temperature of the room air sucked from the suction port 1 by the centrifugal blower 2 is adjusted by heat exchange with the refrigerant in the heat exchanger 3, and returns to the room through the air path 4 again.
　図４は、本発明の実施の形態１に係る空気調和機１０００の室内機５０を示す分解斜視図である。図４に示すように、室内機本体１００は、天井から吊り下げられた吊りボルト（図示せず）が挿入されてネジ止めされる吊り金具６を備えている。吊り金具６は、例えば室内機本体１００の側面に４個設けられており、吊り金具６が吊りボルトにネジ止めされることによって、室内機本体１００が天井内に据え付けられる。また、室内機本体１００の内側壁には、仮掛け装置７が引っ掛かるように側方に突出した本体ツメ部１０が設けられている。 FIG. 4 is an exploded perspective view showing the indoor unit 50 of the air conditioner 1000 according to Embodiment 1 of the present invention. As shown in FIG. 4, the indoor unit main body 100 includes a suspension fitting 6 into which a suspension bolt (not shown) suspended from the ceiling is inserted and screwed. For example, four suspension fittings 6 are provided on the side surface of the indoor unit main body 100, and the indoor unit main body 100 is installed in the ceiling by screwing the suspension fitting 6 to the suspension bolt. Moreover, the main body claw part 10 which protruded to the side so that the temporary hooking device 7 may be hooked is provided in the inner wall of the indoor unit main body 100.
　組付けユニット２００は、例えば左右方向の空気の吹き出し方向を制御する枠状の部材であり、ネジ１４によって室内機本体１００に固定される。化粧パネル３００は、パネル本体１９と、意匠パネル１６と、ベーン５と、グリル１７とを有している。パネル本体１９は、意匠性を改善するために、ネジ１５によって組付けユニット２００に固定される。意匠パネル１６は、ネジ１５等を覆って意匠性を改善するものであり、パネル本体１９の４隅にそれぞれ取り付けられている。ベーン５は、パネル本体１９の４辺において、揺動自在に設けられており、ベーン５が揺動することによって例えば上下方向の空気の吹き出し方向を制御する。グリル１７は、室内機本体１００の吸込み口１を覆って、吸い込まれる室内空気のフィルタリングを行う。 The assembly unit 200 is a frame-like member that controls the air blowing direction in the left-right direction, for example, and is fixed to the indoor unit main body 100 with screws 14. The decorative panel 300 includes a panel body 19, a design panel 16, a vane 5, and a grill 17. The panel body 19 is fixed to the assembly unit 200 with screws 15 in order to improve the design. The design panel 16 covers the screws 15 and the like to improve design properties, and is attached to each of the four corners of the panel body 19. The vanes 5 are provided on the four sides of the panel main body 19 so as to be swingable. When the vanes 5 swing, for example, the air blowing direction in the vertical direction is controlled. The grill 17 covers the suction port 1 of the indoor unit main body 100 and performs filtering of the sucked indoor air.
　図５は、本発明の実施の形態１に係る仮掛け装置７を示す斜視図である。仮掛け装置７は、室内機５０の対角上に２個設けられており、前述の如く、室内機本体１００に組付けユニット２００を仮掛けるための部材である。図５に示すように、仮掛け装置７は、組付けユニット２００に取り付けられる組付け具８と、組付け具８に回転自在に取り付けられるフック部９とを有している。組付け具８は、本体部８ｅと、一対の軸挿入部８ｃと、ストッパ２０と、組付けツメ部１３とを有している。本体部８ｅは、組付けユニット２００に取り付けられる平板状の部材である。一対の軸挿入部８ｃは、フック部９の回転軸部９ｄ（図６参照）が挿入され、本体部８ｅの下部が円状に曲げられたものである。ストッパ２０は、本体部８ｅに設けられ、軸挿入部８ｃを軸として回転するフック部９の回転範囲を規制する。 FIG. 5 is a perspective view showing the temporary hooking device 7 according to Embodiment 1 of the present invention. Two temporary hanging devices 7 are provided on the diagonal of the indoor unit 50, and are members for temporarily hanging the assembly unit 200 on the indoor unit main body 100 as described above. As shown in FIG. 5, the temporary hooking device 7 includes an assembly tool 8 that is attached to the assembly unit 200 and a hook portion 9 that is rotatably attached to the assembly tool 8. The assembly tool 8 includes a main body portion 8e, a pair of shaft insertion portions 8c, a stopper 20, and an assembly claw portion 13. The main body portion 8 e is a flat plate member that is attached to the assembly unit 200. The pair of shaft insertion portions 8c is obtained by inserting the rotation shaft portion 9d (see FIG. 6) of the hook portion 9 and bending the lower portion of the main body portion 8e in a circular shape. The stopper 20 is provided in the main body portion 8e and regulates the rotation range of the hook portion 9 that rotates about the shaft insertion portion 8c.
　ストッパ２０は、フック部９の規制部９ｂ（図６参照）が回転したときの移動量が、本体ツメ部１０の突出長さよりも短くなるように、フック部９の回転範囲を規制する。ストッパ２０は、本体側押さえ部８ｂと、反対側押さえ部８ａとを有している。本体側押さえ部８ｂは、フック部９の規制部９ｂ（図６参照）が室内機本体１００側に回転することを規制するように、規制部９ｂの室内機本体１００側を押さえる。具体的には、本体側押さえ部８ｂは、本体部８ｅが切り起こされた部分である。フック部９が室内機本体１００側に回転しようとしても、切り起こされた部分に当たる。従って、規制部９ｂが室内機本体１００側に回転することが規制される。 The stopper 20 restricts the rotation range of the hook portion 9 so that the movement amount when the restricting portion 9b (see FIG. 6) of the hook portion 9 is rotated is shorter than the protruding length of the main body claw portion 10. The stopper 20 has a main body side pressing portion 8b and an opposite side pressing portion 8a. The main body side pressing part 8b presses the indoor unit main body 100 side of the restriction part 9b so as to restrict the restriction part 9b (see FIG. 6) of the hook part 9 from rotating to the indoor unit main body 100 side. Specifically, the main body side pressing portion 8b is a portion where the main body portion 8e is cut and raised. Even if the hook portion 9 tries to rotate toward the indoor unit main body 100, it hits the cut and raised portion. Therefore, the restricting portion 9b is restricted from rotating toward the indoor unit main body 100 side.
　反対側押さえ部８ａは、フック部９の規制部９ｂが室内機本体１００側とは反対側に回転することを規制するように、規制部９ｂの室内機本体１００側とは反対側を押さえる。具体的には、反対側押さえ部８ａは、本体部８ｅが本体側押さえ部８ｂよりも高く切り起こされた部分であり、切り起こされた部分の内部にフック部９が挿入される。これにより、フック部９が室内機本体１００側とは反対側に回転しようとしても、切り起こされた部分に当たる。従って、規制部９ｂが室内機本体１００とは反対側に回転することが規制される。 The opposite side pressing portion 8a presses the opposite side of the regulating portion 9b from the indoor unit main body 100 side so as to regulate the rotation of the regulating portion 9b of the hook portion 9 to the side opposite to the indoor unit main body 100 side. Specifically, the opposite side pressing portion 8a is a portion where the main body portion 8e is cut and raised higher than the main body side pressing portion 8b, and the hook portion 9 is inserted into the cut and raised portion. Thereby, even if the hook part 9 tries to rotate to the opposite side to the indoor unit main body 100 side, it hits the cut and raised part. Therefore, the restricting portion 9b is restricted from rotating to the side opposite to the indoor unit body 100.
　組付けツメ部１３は、本体部８ｅの下部において一対の軸挿入部８ｃの間に設けられており、本体部８ｅから突出している。組付けツメ部１３には、化粧パネル用フック１１の化粧パネルフック部１２が引っ掛けられる。なお、組付けツメ部１３の寸法は、本体ツメ部１０の寸法と同一である。 The assembly claw portion 13 is provided between the pair of shaft insertion portions 8c at the lower portion of the main body portion 8e, and protrudes from the main body portion 8e. The decorative panel hook portion 12 of the decorative panel hook 11 is hooked on the assembly claw portion 13. In addition, the dimension of the assembly claw part 13 is the same as the dimension of the main body claw part 10.
　図６は、本発明の実施の形態１に係るフック部９を示す正面図である。フック部９は、ワイヤを曲げて製造されたものであり、一対の回転軸部９ｄと、一対の脚部９ｃと、一対の規制部９ｂと、仮掛け部９ａとを有している。回転軸部９ｄは、水平方向に延び、組付け具８の軸挿入部８ｃに挿入されて組付け具８に回転自在に設けられている。脚部９ｃは、一対の回転軸部９ｄから上方に延びる。一対の脚部９ｃは、組付けツメ部１３から離間している。規制部９ｂは、一対の脚部９ｃに接続され、一対の脚部９ｃよりも内側において上方に延びる。一対の規制部９ｂは、例えば互いに接触する寸前まで近づけられている。仮掛け部９ａは、一対の規制部９ｂに接続され、本体ツメ部１０に引っ掛けられるように枠状をなしている。 FIG. 6 is a front view showing the hook portion 9 according to Embodiment 1 of the present invention. The hook portion 9 is manufactured by bending a wire, and has a pair of rotating shaft portions 9d, a pair of leg portions 9c, a pair of restricting portions 9b, and a temporary hooking portion 9a. The rotation shaft portion 9 d extends in the horizontal direction, is inserted into the shaft insertion portion 8 c of the assembly tool 8, and is rotatably provided on the assembly tool 8. The leg portion 9c extends upward from the pair of rotating shaft portions 9d. The pair of leg portions 9 c are separated from the assembly claw portion 13. The restricting portion 9b is connected to the pair of leg portions 9c and extends upward on the inner side of the pair of leg portions 9c. The pair of restricting portions 9b are brought close to just before contacting each other, for example. The temporary hooking portion 9 a is connected to the pair of regulating portions 9 b and has a frame shape so as to be hooked on the main body claw portion 10.
　図７は、本発明の実施の形態１に係るフック部９を示す断面図である。図７に示すように、フック部９は、組付け具８の反対側押さえ部８ａと本体側押さえ部８ｂとの間に挿入されている。これにより、フック部９が室内機本体１００側に回転しようとしても、本体側押さえ部８ｂに当たり、フック部９が室内機本体１００とは反対側に回転しようとしても、反対側押さえ部８ａに当たる。従って、フック部９が回転することが抑制される。 FIG. 7 is a cross-sectional view showing the hook portion 9 according to Embodiment 1 of the present invention. As shown in FIG. 7, the hook portion 9 is inserted between the opposite side pressing portion 8a of the assembly tool 8 and the main body side pressing portion 8b. Thereby, even if the hook part 9 tries to rotate to the indoor unit main body 100 side, it hits the main body side pressing part 8b, and even if the hook part 9 tries to rotate to the side opposite to the indoor unit main body 100, it hits the opposite side pressing part 8a. Therefore, rotation of the hook portion 9 is suppressed.
　これにより、仮掛け装置７において、仮掛け作業時にフック部９が室内機本体１００側とは反対側に倒れこんで本体ツメ部１０に引っ掛けにくくなることを抑制し、作業性が向上する。また、仮掛け後にネジ１４で本固定された後、フック部９がほかの部品と接触することによって生じる異音を抑える。更に、例えば地震等の予期せぬ外力によって、本固定のための使用されているネジ１４が外れても、フック部９の回転範囲が本体ツメ部１０の突出長さよりも短いため、組付けユニット２００が落下する前に確実に室内機本体１００に引っ掛かる。従って、組付けユニット２００の落下を抑制することができる。 Thereby, in the temporary hooking device 7, it is possible to suppress the hook portion 9 from falling over to the side opposite to the indoor unit main body 100 side during the temporary hooking operation, and to be difficult to be hooked on the main body claw portion 10, thereby improving workability. In addition, after the main hook is fixed with the screw 14, the noise generated by the hook portion 9 coming into contact with other parts is suppressed. Further, even if the screw 14 used for the main fixing is removed due to an unexpected external force such as an earthquake, the assembly range of the hook unit 9 is shorter than the projecting length of the main body claw unit 10. Before the 200 falls, the indoor unit body 100 is reliably caught. Therefore, the assembly unit 200 can be prevented from dropping.
　図４に示すように、化粧パネル用フック１１は、室内機５０の対角上に２個設けられており、化粧パネル３００に設けられ、組付けユニット２００に化粧パネル３００を仮掛けする。化粧パネル用フック１１は、枠状の化粧パネルフック部１２を有しており、化粧パネルフック部１２が組付け具８の組付けツメ部１３に引っ掛かることによって、組付けユニット２００に化粧パネル３００を仮掛けする。なお、前述如く、一対の脚部９ｃは、組付けツメ部１３から離間しているため、化粧パネルフック部１２と互いに干渉しない寸法である。これにより、上下方向の同一投影面において、仮掛け装置７及び化粧パネル用フック１１が配置されることが可能である。 As shown in FIG. 4, two decorative panel hooks 11 are provided on the diagonal of the indoor unit 50, provided on the decorative panel 300, and temporarily hangs the decorative panel 300 on the assembly unit 200. The decorative panel hook 11 has a frame-shaped decorative panel hook portion 12, and the decorative panel hook portion 12 is hooked on the assembly claw portion 13 of the assembly tool 8, whereby the decorative panel 300 is attached to the assembly unit 200. Tentatively. As described above, since the pair of leg portions 9c are separated from the assembly claw portion 13, they have dimensions that do not interfere with the decorative panel hook portion 12. Thereby, the temporary hooking device 7 and the decorative panel hook 11 can be arranged on the same vertical projection surface.
　次に、室内機５０の据え付けについて説明する。先ず、天井から吊り下げられた吊りボルトが室内機本体１００の吊り金具６にネジ止めされて、室内機本体１００が天井の内部に据付けられる。次に、組付けユニット２００に取り付けられた仮掛け装置７のフック部９の仮掛け部９ａが、室内機本体１００の本体ツメ部１０に引っ掛けられて、組付けユニット２００が室内機本体１００に仮掛けられる。その後、ネジ１４を用いて、組付けユニット２００が室内機本体１００に本固定される。そして、化粧パネル３００に取り付けられた化粧パネル用フック１１の化粧パネルフック部１２が、仮掛け装置７の組付け具８の組付けツメ部１３に引っ掛けられて、化粧パネル３００のパネル本体１９が組付けユニット２００に仮掛けられる。その後、ネジ１５を用いて、パネル本体１９が組付けユニット２００に本固定される。 Next, installation of the indoor unit 50 will be described. First, the suspension bolt suspended from the ceiling is screwed to the suspension fitting 6 of the indoor unit body 100, and the indoor unit body 100 is installed inside the ceiling. Next, the temporary hooking portion 9a of the hook portion 9 of the temporary hooking device 7 attached to the mounting unit 200 is hooked on the main body claw portion 10 of the indoor unit main body 100, and the mounting unit 200 is attached to the indoor unit main body 100. Temporarily hung. Thereafter, the assembly unit 200 is permanently fixed to the indoor unit main body 100 using the screws 14. Then, the makeup panel hook portion 12 of the makeup panel hook 11 attached to the makeup panel 300 is hooked on the assembly claw portion 13 of the assembly tool 8 of the temporary hanging device 7, and the panel body 19 of the makeup panel 300 is moved. Temporarily hung on the assembly unit 200. Thereafter, the panel body 19 is permanently fixed to the assembly unit 200 using the screws 15.
　この状態で、意匠パネル１６及びグリル１７がパネル本体１９に取り付けられて、室内機５０が天井に据え付けられる。なお、本実施の形態１では、仮掛け装置７及び化粧パネル用フック１１は、室内機５０の対角上に２個ずつ設けられており、片側ずつ順に仮掛けられる場合について例示しているが、仮掛け装置７及び化粧パネル用フック１１の使用個数及び設置位置は適宜変更可能である。作業性に問題がなく、且つ荷重をバランス良く受けることができればよい。 In this state, the design panel 16 and the grill 17 are attached to the panel main body 19, and the indoor unit 50 is installed on the ceiling. In the first embodiment, two temporary hanging devices 7 and two decorative panel hooks 11 are provided on the diagonal of the indoor unit 50, and the case where the temporary hanging devices are temporarily hooked one by one is illustrated. The number and installation positions of the temporary hanging device 7 and the decorative panel hook 11 can be changed as appropriate. There is no problem in workability and it is sufficient that the load can be received in a balanced manner.
　図８は、比較例に係る仮掛け装置９０を示す正面図である。図８に示すように、比較例に係る仮掛け装置９０は、一対の回転軸部９ｄと、一対の回転軸部９ｄから上方に延びる一対の脚部９ｃと、一対の脚部９ｃ同士を接続する仮掛け部９ａとを有している。即ち、仮掛け装置９０は、Ｕ字状をなしている。仮掛け部９ａに対し上方に大きな張力が加わると、一対の脚部９ｃが内側に撓む。このため、回転軸部９ｄが組付け具８の軸挿入部８ｃから抜ける方向に変形する。 FIG. 8 is a front view showing a temporary hanging device 90 according to a comparative example. As shown in FIG. 8, the temporary hooking device 90 according to the comparative example connects a pair of rotating shaft portions 9d, a pair of leg portions 9c extending upward from the pair of rotating shaft portions 9d, and a pair of leg portions 9c. And a temporary hanging portion 9a. That is, the temporary hooking device 90 is U-shaped. When a large tension is applied to the temporary hooking portion 9a, the pair of leg portions 9c bend inward. For this reason, the rotating shaft portion 9d is deformed in a direction in which it is removed from the shaft insertion portion 8c of the assembly tool 8.
　これに対し、本実施の形態１は、仮掛け装置７のフック部９が一対の規制部９ｂを有しているため、仮掛け部９ａに上方向の大きな力が加わって一対の脚部９ｃが内側に撓もうとしても、その前に一対の規制部９ｂ同士がぶつかる。このため、一対の脚部９ｃが撓もうとすることを抑制する。従って、回転軸部９ｄの変形が抑制されるため、軸挿入部８ｃから抜け難い。よって、組付けユニット２００に過剰な荷重がかかっても、落下することが抑制される。このように、室内機本体１００に組付けユニット２００が確実に仮掛けられる。よって、従来のように仮掛け装置７が室内機本体１００と化粧パネル３００との間に使用するだけでなく、室内機本体１００と化粧パネル３００との間に更に組付けユニット２００を挟み、室内機本体１００と組付けユニット２００との間に使用することができる。 In contrast, in the first embodiment, since the hook portion 9 of the temporary hooking device 7 has a pair of restricting portions 9b, a large upward force is applied to the temporary hooking portion 9a and the pair of leg portions 9c. Even if it tries to bend inward, a pair of control part 9b collides before that. For this reason, it is suppressed that a pair of leg part 9c tries to bend. Therefore, since the deformation of the rotating shaft portion 9d is suppressed, it is difficult to come off from the shaft insertion portion 8c. Therefore, even if an excessive load is applied to the assembly unit 200, it is suppressed from falling. In this way, the assembly unit 200 is reliably temporarily attached to the indoor unit main body 100. Therefore, the temporary hanging device 7 is not only used between the indoor unit main body 100 and the decorative panel 300 as in the prior art, but also the assembly unit 200 is further sandwiched between the indoor unit main body 100 and the decorative panel 300, It can be used between the machine main body 100 and the assembly unit 200.
　また、室内機５０が据え付けられた後、地震等によって本固定を行っているネジ１４が機能しなくなった場合、仮掛け装置７及び化粧パネル用フック１１によって、組付けユニット２００及び化粧パネル３００が落下することを防止する。即ち、仮掛け装置７及び化粧パネル用フック１１は、落下防止の機能を有している。従来、フック部９の位置がツメ部に引っ掛かる位置と異なる場合があり、落下防止の機能の確実性に疑問がある。これに対し、本実施の形態１は、据付後も、フック部９の仮掛け部９ａが本体ツメ部１０と同じ位置にあるため、落下防止の機能を確実に得ることができる。また、据付後も、化粧パネル用フック１１の化粧パネルフック部１２が組付けツメ部１３と同じ位置にあるため、落下防止の機能を確実に得ることができる。ここで、化粧パネル用フック１１は、化粧パネル３００の自重のみ支持すれば足りるが、仮掛け装置７は、組付けユニット２００の自重及び化粧パネル３００の自重を支持する必要がある。このため、仮掛け装置７は、単純なＵ字状ではなく、規制部９ｂを設けることによって、より強く引っ張られる力に対抗している。 In addition, after the indoor unit 50 is installed, when the screws 14 that are permanently fixed due to an earthquake or the like do not function, the temporary unit 7 and the decorative panel hook 11 cause the assembly unit 200 and the decorative panel 300 to be Prevent falling. That is, the temporary hooking device 7 and the decorative panel hook 11 have a function of preventing falling. Conventionally, there is a case where the position of the hook portion 9 is different from the position where the hook portion 9 is caught by the claw portion, and there is a doubt about the certainty of the fall prevention function. On the other hand, since the temporary hooking portion 9a of the hook portion 9 is in the same position as the main body claw portion 10 even after installation, the first embodiment can surely obtain the function of preventing the fall. Moreover, since the decorative panel hook part 12 of the decorative panel hook 11 is in the same position as the assembly claw part 13 even after installation, the function of preventing the fall can be reliably obtained. Here, it is sufficient for the decorative panel hook 11 to support only its own weight of the decorative panel 300, but the temporary hanging device 7 needs to support the own weight of the assembly unit 200 and the own weight of the decorative panel 300. For this reason, the temporary hooking device 7 is not a simple U-shape, and resists the force of being pulled more strongly by providing the restricting portion 9b.
　なお、組付けツメ部１３の寸法は、本体ツメ部１０の寸法と同一である。このため、組付けユニット２００が不要な場合、本体ツメ部１０に化粧パネル用フック１１の化粧パネルフック部１２が引っ掛けられることが可能である。また、組付けユニット２００が複数重ねて使用される場合、それぞれの仮掛け装置７を用いて仮掛けることができる。即ち、組付けユニット２００の使用の有無及び使用個数に依らず、仮掛けを行うことができる。 In addition, the dimension of the assembly claw part 13 is the same as the dimension of the main body claw part 10. For this reason, when the assembly unit 200 is unnecessary, the decorative panel hook portion 12 of the decorative panel hook 11 can be hooked on the main body claw portion 10. Further, when a plurality of assembly units 200 are used in a stacked manner, they can be temporarily hung using each temporary hanger 7. In other words, provisional hanging can be performed regardless of whether the assembly unit 200 is used or not.
実施の形態２．
　図９は、本発明の実施の形態２に係る仮掛け装置７ａを示す斜視図である。本実施の形態２は、ストッパ２０が、本体側押さえ部８ｄのみを有する点で、実施の形態１と相違する。本実施の形態２では、実施の形態１と同一の部分は同一の符号を付して説明を省略し、実施の形態１との相違点を中心に説明する。 Embodiment 2. FIG.
FIG. 9 is a perspective view showing a temporary hooking device 7a according to Embodiment 2 of the present invention. The second embodiment is different from the first embodiment in that the stopper 20 has only the main body side pressing portion 8d. In the second embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted. The description will focus on differences from the first embodiment.
　図９に示すように、本体側押さえ部８ｄは、本体部８ｅの上端に設けられており、規制部９ｂの室内機本体１００側を押さえる。 As shown in FIG. 9, the main body side pressing portion 8d is provided at the upper end of the main body portion 8e and presses the indoor unit main body 100 side of the regulating portion 9b.
　図１０は、本発明の実施の形態２に係る仮掛け装置７ａを示す断面図である。図１０に示すように、フック部９が室内機本体１００側に回転しようとしても、本体側押さえ部８ｄに干渉して当たる。従って、フック部９が回転することが抑制される。本実施の形態２のように、ストッパ２０が本体側押さえ部８ｄのみで構成されていても、実施の形態１と同様に、仮掛け装置７のフック部９が一対の規制部９ｂを有している。このため、仮掛け部９ａに上方向の大きな力が加わって一対の脚部９ｃが内側に撓もうとしても、その前に一対の規制部９ｂ同士がぶつかる。このため、一対の脚部９ｃが撓もうとすることを抑制する。従って、回転軸部９ｄの変形が抑制されるため、軸挿入部８ｃから抜け難い。よって、組付けユニット２００に過剰な荷重がかかっても、落下することが抑制される。 FIG. 10 is a cross-sectional view showing a temporary hooking device 7a according to Embodiment 2 of the present invention. As shown in FIG. 10, even if the hook portion 9 tries to rotate to the indoor unit main body 100 side, it hits the main body side pressing portion 8d. Therefore, rotation of the hook portion 9 is suppressed. As in the second embodiment, even if the stopper 20 is configured only by the main body side pressing portion 8d, the hook portion 9 of the temporary hooking device 7 has a pair of restricting portions 9b as in the first embodiment. ing. For this reason, even if a large upward force is applied to the temporary hooking portion 9a and the pair of leg portions 9c try to bend inward, the pair of regulating portions 9b collide with each other before that. For this reason, it is suppressed that a pair of leg part 9c tries to bend. Therefore, since the deformation of the rotating shaft portion 9d is suppressed, it is difficult to come off from the shaft insertion portion 8c. Therefore, even if an excessive load is applied to the assembly unit 200, it is suppressed from falling.
　なお、本実施の形態１及び２では、天井埋め込み形空気調和機の室内機５０について例示したが、これに限定されない。例えば、冷蔵装置、冷凍装置又は他の冷凍サイクル装置の室内機５０に適用することもできる。また、冷凍サイクル装置に限らず、送風機又は換気装置等に適用することもできる。 In Embodiments 1 and 2, the indoor unit 50 of the ceiling-embedded air conditioner is illustrated, but the present invention is not limited to this. For example, the present invention can be applied to the indoor unit 50 of a refrigeration apparatus, a refrigeration apparatus, or another refrigeration cycle apparatus. Further, the present invention can be applied not only to the refrigeration cycle apparatus but also to a blower or a ventilator.
　１　吸込み口、２　遠心送風機、３　熱交換器、４　風路、５　ベーン、６　吊り金具、７　仮掛け装置、７ａ　仮掛け装置、８　組付け具、８ａ　反対側押さえ部、８ｂ　本体側押さえ部、８ｃ　軸挿入部、８ｄ　本体側押さえ部、８ｅ　本体部、９　フック部、９ａ　仮掛け部、９ｂ　規制部、９ｃ　脚部、９ｄ　回転軸部、１０　本体ツメ部、１１　化粧パネル用フック、１２　化粧パネルフック部、１３　組付けツメ部、１４　ネジ、１５　ネジ、１６　意匠パネル、１７　グリル、１９　パネル本体、２０　ストッパ、５０　室内機、６０　室外機、７０　冷媒回路、７１　圧縮機、７２　流路切替装置、７３　室外熱交換器、７４　室外送風機、７５　膨張部、９０　仮掛け装置、１００　室内機本体、２００　組付けユニット、３００　化粧パネル、１０００　空気調和機。 1 suction port, 2 centrifugal blower, 3 heat exchanger, 4 air path, 5 vane, 6 hanging bracket, 7 temporary hanging device, 7a temporary hanging device, 8 assembly tool, 8a opposite side pressing portion, 8b main body side pressing portion , 8c shaft insertion part, 8d main body side pressing part, 8e main body part, 9 hook part, 9a temporary hooking part, 9b regulating part, 9c leg part, 9d rotary shaft part, 10 main body claw part, 11 hook for decorative panel, 12 Makeup panel hook part, 13 assembly claw part, 14 screws, 15 screws, 16 design panel, 17 grille, 19 panel body, 20 stopper, 50 indoor unit, 60 outdoor unit, 70 refrigerant circuit, 71 compressor, 72 flow path Switching device, 73 outdoor heat exchanger, 74 outdoor blower, 75 expansion section, 90 temporary hanging device, 100 indoor unit body, 200 assembly unit , 300 decorative panel, 1000 air conditioner.

Claims (6)

  1. 　天井に取り付けられ、側方に突出する本体ツメ部を有する室内機本体と、
    　前記室内機本体に着脱自在に組付けられる組付けユニットと、
    　前記組付けユニットに設けられ、前記室内機本体に前記組付けユニットを仮掛けする仮掛け装置と、を備え、
    　前記仮掛け装置は、
    　前記組付けユニットに取り付けられる組付け具と、
    　前記組付け具に回転自在に取り付けられ、前記本体ツメ部に引っ掛けられるフック部と、を有し、
    　前記フック部は、
    　前記組付け具に回転自在に設けられた水平に延びる一対の回転軸部と、
    　一対の前記回転軸部から上方に延びる一対の脚部と、
    　一対の前記脚部に接続され、一対の前記脚部よりも内側において上方に延びる一対の規制部と、
    　一対の前記規制部に接続され、前記本体ツメ部に引っ掛けられる枠状の仮掛け部と、を有する
    　空気調和機の室内機。     An indoor unit main body attached to the ceiling and having a main body claw projecting to the side;
    An assembly unit detachably assembled to the indoor unit body;
    A temporary hanging device that is provided in the assembling unit and temporarily hangs the assembling unit on the indoor unit main body;
    The temporary hanging device is
    An assembly to be attached to the assembly unit;
    A hook part rotatably attached to the assembly tool and hooked on the main body claw part,
    The hook part is
    A pair of horizontally extending rotating shafts rotatably provided on the assembly;
    A pair of legs extending upward from the pair of rotating shafts;
    A pair of restricting portions connected to the pair of leg portions and extending upward inward of the pair of leg portions;
    An indoor unit of an air conditioner, comprising: a frame-like temporary hooking portion connected to a pair of the restriction portions and hooked on the main body claw portion.
  2. 　前記組付け具は、
    　前記組付けユニットに取り付けられる本体部と、
    　前記本体部に設けられ、前記回転軸部が挿入される軸挿入部と、
    　前記本体部に設けられ、前記軸挿入部を軸として回転する前記フック部の回転範囲を規制するストッパと、を有する
    　請求項１記載の空気調和機の室内機。     The assembly tool is
    A main body attached to the assembly unit;
    A shaft insertion portion provided in the main body portion and into which the rotating shaft portion is inserted;
    The indoor unit of the air conditioner according to claim 1, further comprising: a stopper that is provided in the main body portion and restricts a rotation range of the hook portion that rotates about the shaft insertion portion.
  3. 　前記ストッパは、
    　前記フック部が回転したときの移動量が、前記本体ツメ部の突出長さよりも短くなるように、前記フック部の回転範囲を規制する
    　請求項２記載の空気調和機の室内機。     The stopper is
    The indoor unit of the air conditioner according to claim 2, wherein a rotation range of the hook portion is regulated so that a movement amount when the hook portion rotates is shorter than a protruding length of the main body claw portion.
  4. 　前記ストッパは、
    　前記規制部が前記室内機本体側に回転することを規制するように、前記規制部の室内機本体側を押さえる本体側押さえ部を有する
    　請求項２又は３記載の空気調和機の室内機。     The stopper is
    The indoor unit of an air conditioner according to claim 2 or 3, further comprising a main body side pressing portion that presses the indoor unit main body side of the restricting portion so as to restrict the restricting portion from rotating toward the indoor unit main body side.
  5. 　前記ストッパは、
    　前記規制部が前記室内機本体とは反対側に回転することを規制するように、前記規制部の室内機本体側とは反対側を押さえる反対側押さえ部を有する
    　請求項２～４のいずれか１項に記載の空気調和機の室内機。     The stopper is
    5. The opposite side pressing portion that presses the opposite side of the restriction portion to the indoor unit main body side so as to restrict the restriction portion from rotating to the opposite side of the indoor unit main body. The indoor unit of the air conditioner described in item 1.
  6. 　前記組付けユニットに着脱自在に取り付けられる化粧パネルと、
    　前記化粧パネルに設けられ、前記組付けユニットに前記化粧パネルを仮掛けする化粧パネル用フックと、を更に備え、
    　前記組付け具は、
    　前記化粧パネル用フックが引掛けられる組付けツメ部を更に有し、
    　前記脚部は、
    　前記組付けツメ部から離間している
    　請求項１～５のいずれか１項に記載の空気調和機の室内機。     A decorative panel detachably attached to the assembly unit;
    A decorative panel hook provided on the decorative panel and temporarily hanging the decorative panel on the assembly unit;
    The assembly tool is
    An assembly claw portion to which the decorative panel hook is hooked;
    The legs are
    The indoor unit for an air conditioner according to any one of claims 1 to 5, wherein the indoor unit is spaced apart from the assembly claw portion.
PCT/JP2018/022159 2018-06-11 2018-06-11 Indoor unit for air conditioner WO2019239449A1 (en)

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PCT/JP2018/022159 WO2019239449A1 (en) 2018-06-11 2018-06-11 Indoor unit for air conditioner
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Citations (3)

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Publication number Priority date Publication date Assignee Title
JP2001235174A (en) * 2000-02-21 2001-08-31 Sanyo Electric Co Ltd Ceiling embedded air conditioner
JP2009079819A (en) * 2007-09-26 2009-04-16 Fujitsu General Ltd Ceiling embedded air conditioner
WO2017037862A1 (en) * 2015-09-01 2017-03-09 三菱電機株式会社 Indoor unit for air conditioners, and air conditioner

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3829168B2 (en) * 2001-05-22 2006-10-04 株式会社日立製作所 Embedded ceiling indoor unit for air conditioner
JP6136540B2 (en) * 2013-04-30 2017-05-31 ダイキン工業株式会社 Makeup panel temporary hanging structure of indoor unit of air conditioner
JP5972228B2 (en) * 2013-07-18 2016-08-17 三菱電機株式会社 Indoor unit and refrigeration cycle device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001235174A (en) * 2000-02-21 2001-08-31 Sanyo Electric Co Ltd Ceiling embedded air conditioner
JP2009079819A (en) * 2007-09-26 2009-04-16 Fujitsu General Ltd Ceiling embedded air conditioner
WO2017037862A1 (en) * 2015-09-01 2017-03-09 三菱電機株式会社 Indoor unit for air conditioners, and air conditioner

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