KR20090052170A - Air conditioner indoor unit - Google Patents

Abstract

The present invention provides a rear exterior of the air conditioner indoor unit, and a chassis in which a receiving portion is formed; Tubing tubing received in the housing and connected to the heat exchanger; Including a tubing pipe stopper rotatably connected to the chassis by a hinge means on one side and detachable to the chassis by a detachable means on the other side to restrain the tubing pipe housed in the receiving portion, the piping work and service work of the tubing pipe This has an easy advantage.

Air Conditioner, Indoor Unit, Chassis, Receptacle, Tubing Tubing, Heat Exchanger, Tubing Tubing Stopper

Description

Air conditioner indoor unit

The present invention relates to an air conditioner, in particular, having a tubing pipe stopper for constraining the tubing pipe so that the tubing pipe does not leave the receiving portion formed in the chassis, and the tubing pipe stopper has a structure in which the tubing pipe is easily installed or serviced. It's about harmonics.

In general, an air conditioner is a device for cooling / heating a room by using a compressor, a condenser, an expansion device, and an evaporator. When an air purifying unit is installed, the air conditioner also functions to purify the room.

The air conditioner as described above is largely divided into an integrated type and a separate type, the integrated type is installed on the wall or window of the house by integrating the function of cooling heat dissipation, the separate type is installed indoor unit including a heat exchanger on the indoor side and outdoor on the outdoor side By installing an outdoor unit including a heat exchanger and a compressor, the two separate devices are connected by a refrigerant pipe.

The separate type air conditioner is formed so that the receiving part is accommodated while the refrigerant pipe connected to the heat exchanger is disposed in the left and right direction at the lower part of the main body of the indoor unit so that the rear side is opened. It is accommodated through the rear part and accommodated in the accommodating part, and the refrigerant pipe is disposed through one side of the left and right sides of the accommodating part according to the position of the outdoor unit.

Korean Laid-Open Patent Publication No. 10-2002-0023536 includes a chassis fixed to a wall and having a bent portion at a lower portion thereof; A bottom member disposed under the bent portion to cover the refrigerant pipe and the drain hose (hereinafter referred to as tubing pipe) and to form an exterior; A piping fixing structure of an air conditioner is disclosed in which an upper portion is fixed to a rear surface of the chassis and a lower portion includes a support member for supporting the bottom member.

The pipe fixing structure of the air conditioner as described above is formed between the bent portion and the bottom member and the support member receiving space for accommodating the tubing pipe, and the bottom member to cover the tubing pipe and prevent it from falling down. The support member is formed in the shape of a rod so that an upper portion thereof is vertically fixed to the rear of the chassis by a bolt and a hook hanging the bottom member at the lower portion thereof.

However, the pipe fixing structure of the air conditioner according to the prior art accommodates the tubing pipe in the space behind the bent portion when assembling the air conditioner, and then hooks the bottom member to the bottom of the chassis, and hooks of the support member to the bottom member. Since the upper part of the support member is bolted to the lower part of the chassis by insertion, the piping work of the refrigerant pipe is complicated and the assembly time is long due to the bolt fixing and the like.

In addition, if the piping direction of the tubing piping is changed left and right due to service of heat exchanger or tubing piping or moving, loosen the bolt to separate the upper part of the support member from the lower part of the chassis, the support member from the bottom member, and the bottom member. Since it is separated from the lower part of the chassis and must be reassembled in the reverse order, the service work is difficult and takes a long time.

The present invention has been made to solve the above problems of the prior art, an object of the present invention is to provide an air conditioner indoor unit that is easy to pipe work and service work of the tubing piping.

Another object of the present invention is to provide an indoor unit of an air conditioner in which a tubing pipe holder can support the chassis inclinedly.

The air conditioner indoor unit according to the present invention for solving the above problems forms a rear exterior of the air conditioner indoor unit and the chassis formed with a receiving portion at the bottom; Tubing tubing received in the housing and connected to the heat exchanger; And a tubing pipe stopper on which one side is rotatably connected to the chassis by a hinge means so as to restrain the tubing pipe housed in the accommodating part, and the other side of the tubing pipe is detachably attached to the chassis.

The detachable means is hooked to protrude from the lower plate portion of the receiving portion, and is caught between the lower plate portion and the hook portion of the receiving portion in the rotational direction of the tubing pipe stopper and restrained between the lower plate portion and the hook portion of the receiving portion. It includes a locking portion formed in the tubing pipe stopper to enter and exit in the left and right directions.

The hinge means includes a hinge shaft formed to be longitudinally disposed in the chassis, and a hinge shaft connection portion formed on the tubing pipe stopper to rotate about the hinge axis and move along the hinge axis in a longitudinal direction of the hinge axis.

The air conditioner indoor unit further includes elastic means for holding the hinge shaft connecting portion in a direction in which the locking portion is disposed opposite to the hook portion, and a fixing member for preventing the hinge shaft connecting portion from being separated from the hinge shaft.

The elastic means is a spring disposed between the hinge axis and the hinge axis connection.

The fixing member is a fastening member fastened to the hinge shaft such that the hinge shaft connecting portion is caught in the longitudinal direction.

The air conditioner indoor unit further includes an installation plate on which the chassis is mounted, and the tubing pipe stopper is provided with support means for supporting the chassis inclined with respect to the installation plate.

The air conditioner indoor unit according to the present invention configured as described above is rotatably connected to one side of the tubing pipe stopper by the hinge means to the chassis, and the other side of the tubing pipe stopper is attached to and detached from the chassis by the detachable means, thereby rotating the tubing pipe stopper. The tubing pipe work can be carried out in the raised state, and after the tubing pipe work, one side of the tubing pipe stopper is rotated and fixed after being connected to the chassis. There is an advantage.

The indoor unit of the air conditioner according to the present invention is to prevent the elastic means to restrict the arbitrary movement of the tubing pipe stopper, and the fixing member restricts the overtravel of the tubing pipe stopper, thereby preventing the tubing pipe stopper from being randomly separated by vibration or impact. Can be securely fixed because the tubing pipe stopper is firmly fixed.

 The air conditioner indoor unit according to the present invention is provided with a support means for supporting the chassis inclined with respect to the mounting plate on the tubing pipe stopper, and temporarily arrange the air conditioner indoor unit during installation or service work of the air conditioner indoor unit. Since it is possible to, the installation and service work of the air conditioner indoor unit is an easy advantage.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view before installation of an air conditioner indoor unit according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of an embodiment of an air conditioner indoor unit according to the present invention, and FIG. 3 is an air conditioner indoor unit according to the present invention. 4 is a longitudinal cross-sectional view of an example, and FIG. 4 is a rear side perspective view when the indoor unit shown in FIG. 1 is combined with an installation plate.

In the indoor unit I of the air conditioner according to the present embodiment, an air intake port 4 through which air in a chamber is sucked into a main body 2 forming an external appearance, and air conditioned inside the main body 2 are discharged to a room. An air discharge port 6 is formed.

The main body 2 may have an air inlet 4 formed on at least one surface of the front and upper surfaces, and an air inlet 4 may be formed from the front upper surface to the upper surface. In addition to being inclined or rounded, it will be described that the air inlet 4 is formed over the top surface from the inclined portion or the rounded portion.

The main body 2 may have an air discharge port 6 formed on at least one surface of the front surface and the bottom surface thereof, and an air discharge hole 6 may be formed on the lower portion of the front surface thereof, 6) may be formed, hereinafter, the corner portion between the front surface and the lower surface is formed to be inclined or rounded, and the air discharge port 6 is described as being formed in the inclined portion or the rounded portion.

That is, the main body 2 has an air inlet 4 formed at an upper portion thereof, and an air outlet 6 formed at a lower portion thereof, and a chassis 10, a front frame 24, a suction grill 26, and a front panel. And a discharge unit 30.

The chassis 10 is a case in which air flow passages through which air flows is formed, and various components are installed and form a rear exterior of the indoor unit I, and the air sucked into the air inlet 4 is guided to the air outlet 6. The flow path guide 12 is formed as shown in FIG. 2, and the electric field part 13 to which various electric components such as a control box 70 to be described later are installed next to one side of the left and right sides of the flow path guide 12. It is formed, it will be described below that the electric portion 13 is formed on the right side of the flow path guide (12).

The flow path guide 12 formed in the chassis 10 forms a flow path of the fan 54 to be described later, and the left and right guides 15 and 16 protruding forward from the chassis 10 and the left and right guides. And a central guide 17 between (15) and (16).

The chassis 10 is provided with a heat exchanger supporter 18 supporting the heat exchanger 60 described later and forming an air flow path.

The chassis 10 functions as a guide / supporter for supporting the heat exchanger 60 while one of the left and right guides 15 and 16 forms an air flow path, and the heat exchanger supporter 18 is left. It is coupled to the other 15 of the right guides 15 and 16 and functions as a guide together with the other 15 of the left and right guides 15 and 16.

The chassis 10 is formed such that a tubing cover 69 of the heat exchanger 60 and a drain hose 33 to be described later are inserted into the chassis 10 and the rear side of the housing 10 is open to the left and right.

The chassis 10 may be directly mounted on the wall of the room by fastening members such as screws, or may be mounted on a separate mounting plate 20 mounted on the wall of the room by fastening members such as screws. It will be described as being mounted on the plate 20.

The chassis 10 is formed with a catching portion 14a that is caught by the hook portion 21 formed at the upper end of the mounting plate 20 on the rear surface.

The chassis 10 is formed such that the motor mounting portion 14b on which the fan motor 52, which will be described later, is mounted on the electric component portion 13 is projected forward, and the motor mounting portion 14b and the flow path guide 12 are special. The shaft protector 14c for protecting the shaft 53 of the fan motor 52 protrudes forward between the right guides 16.

The chassis 10 has an opening 14d through which the tubing cover 69, which will be described later, of the heat exchanger 60 penetrates up and down at a rear side between the electric component part 13 and the flow path guide 12, in particular, the right guide 16. Is formed.

The opening 14d of the chassis 10 is formed long up and down from the upper end of the chassis 10 to the accommodating portion 19 along the rear of the shaft protection portion 14c.

After the heat exchanger 60 is installed, the chassis 10 is coupled with a pipe cover 23 that blocks the opening 14d of the chassis 10.

The front frame 24 is disposed in front of the chassis 10, as shown in Figs. 1 and 2 so as to form a space between the chassis 10, and together with the chassis 10 to form a blowing flow path, Protects the electrical component 13 formed in the chassis 10.

The front frame 24 is formed so that the air inlet 4 is opened in the vertical direction on the upper surface.

The suction grille 26 is formed in the air intake 4 of the front frame 24.

The front panel 28 opens and closes the front front of the front frame 20, and is formed in a plate shape as a whole, and an upper portion thereof is hinged to an upper portion of the front frame 20.

The discharge unit 30 discharges and guides the air conditioned inside the main body 2, and is coupled to at least one of the chassis 10 and the front frame 24 by a fastening means such as a fastening member or a hook means such as a hook. Are assembled.

As shown in FIG. 2, the discharge unit 30 has a drain portion 32 that receives condensed water dropped from the heat exchanger 60, which will be described later, on the upper surface thereof, and the condensed water is formed in the drain portion 32. The drain hose 33 is guided to the outside of the connection, and the air discharge port 6 is formed in the lower portion of the drain 32.

The discharge unit 30 is provided with a wind direction control member 34 for adjusting the wind direction of the air passing through the air discharge port 6, and a wind direction control motor 35 for rotating the wind direction control member 34.

The main body 2 has a blower 50 that sucks air through the air inlet 4 and passes through the inside of the main body 2, and then discharges the air to the air outlet 6, and the air sucked into the main body 2; A heat exchanger 60 is installed to exchange heat with the refrigerant.

The blower 50 is installed on the fan motor 52 and the rotating shaft of the fan motor 52, which are mounted and installed on the motor installation unit 14a formed in the chassis 10, in particular, the electric unit 13. The fan 54 and the motor cover 56 is installed in the chassis 10 to cover the fan motor 52.

The fan 54 consists of a cross flow fan formed long left and right between the flow path guides 15 and 16 and especially the left and right flow path guides 15 and 16.

The heat exchanger 60 is disposed so as to be located between the air inlet 4 and the fan 54, in the space of the main body 2, in particular, behind the front of the intake frame 20, and the lower end of the heat exchanger 32. ) It is installed to be located on the upper side.

The heat exchanger 60 includes a vertical portion 62 positioned vertically above the drain portion 32, a front inclined portion 64 formed to be inclined toward the rear upper side from the upper portion of the vertical portion 62, and a front inclined portion. And a rear inclined portion 66 formed to be inclined toward the rear lower side from the upper portion of the 64.

The heat exchanger 60 is connected to or integrally formed with a refrigerant pipe for connecting with an outdoor unit (not shown) of the air conditioner.

The heat exchanger 60 has a refrigerant pipe including a liquid pipe and an engine, the liquid pipe and the engine are surrounded by a heat insulating material, and are integrally formed with a heat insulating material. Hereinafter, a part of the liquid pipe, the engine and the heat insulating material is integrally referred to as tubing piping 69. Explain.

In the heat exchanger 60, a portion of the tubing pipe 69 disposed in the vertical direction is disposed in the vertical direction behind the shaft protection part 14c, and a portion of the heat exchanger 60 that is bent in the left and right directions is disposed in the receiving portion ( 19 is inserted into and received, and one side of the tubing pipe 69 is disposed to protrude to the side of the chassis 10 through one side of the left and right sides of the accommodating portion 19.

On the other hand, when the tubing pipe 69 is inserted and accommodated in the accommodating part 19, a part of the tubing pipe 69 may be outside the rear opening of the accommodating part 19 to apply external force to the mounting plate 20 or the wall. In this case, the lower part of the chassis 10 is pushed forward in response to the external force so that the lower part of the chassis 10 is separated from the mounting plate 20 or the wall, and a gap is generated between the mounting plate 20 or the wall. As shown in FIGS. 3 and 4, the tubing cover 69 is constrained in the chassis 10 to prevent the tubing pipe 69 from escaping the rear opening of the receiving portion 19 as described above. A tubing cover stopper 70 is installed.

The tubing pipe stopper 70 may be formed to extend in the left and right direction and may be disposed to cross the rear opening surface of the accommodating portion 19 in the horizontal direction. It can also be arrange | positioned transversely to an up-down direction, Hereinafter, it demonstrates as arrange | positioning to transversely the rear opening surface of the accommodating part 19 in an up-down direction.

The tubing tubing stopper 70 can be rotated to a position other than the rear opening of the accommodating portion 19 so as not to interfere with the insertion when the tubing tubing 69 is inserted into the accommodating portion 19 and accommodated therein. After inserting the 69 into the receiving portion 19, the rear opening surface of the receiving portion 19 is fixed in the vertical direction so as to restrain the tubing pipe 69 accommodated in the receiving portion 19. As shown in FIGS. 3 and 4, one side is rotatably connected to the chassis 10 by the hinge means 80 and the other side is detached from the chassis 10 by the detachable means 90.

5 is an enlarged exploded perspective view of the tubing pipe stopper of the air conditioner indoor unit according to the embodiment of the present invention separated from the chassis, and FIG. 6 is a rear view when the tubing pipe stopper shown in FIG. 5 is fixed to the chassis. 7 is a rear view when the tubing pipe stopper shown in FIG. 6 is moved from a position of FIG. 6 to a rotatable position, and FIG. 8 is a view when the tubing pipe stopper shown in FIG. 7 is rotated upwardly about a hinge axis. 9 is a schematic side view when the tubing pipe stopper shown in FIG. 7 supports the chassis so that the chassis is inclined.

 Hinge means (80) is a hinge axis (82) formed long in the left and right in the chassis 10, rotated about the hinge axis (82) and along the hinge axis (82) longitudinal direction of the hinge axis (82) Hinge shaft connecting portion 84 formed in the tubing pipe stopper 70 to be moved to.

The hinge shaft 82 protrudes in the horizontal direction from the vertical portion 83 protruding downwardly from the upper portion of the receiving portion 19 of the chassis 10.

Here, the hinge shaft 82 guides the rotation and linear movement of the hinge shaft connecting portion 84, and the position L at which the locking portion 94 described later is caught by the hook portion 92 and restrained, and the locking portion ( The hook portion at the vertical portion 83 allows 94 to exit to the side of the hook portion 92 and to move left and right at a position U where the tubing pipe stopper 70 can be rotated about the hinge axis 82. It is formed to be longer to the upper position of the 92 and is formed to have a length that is approximately two times or more than the left and right lengths of the hinge shaft connecting portion 84.

The hinge shaft connecting portion 84 is formed at one end side of the tubing pipe stopper 70 and has a hinge hole 85 in which the hinge shaft 82 is disposed to penetrate in the horizontal direction.

 The detachable means 90 is tubing between the hook portion 92 protruding from the lower plate portion 19 'of the accommodating portion 19 and between the lower plate portion 19' and the hook portion 92 of the accommodating portion 19. The tubing piping stopper 70 is caught and restrained in the rotational direction of the piping stopper 70 and moves between the lower plate portion 19 'and the hook portion 92 of the accommodating portion 19 and the side in the left and right direction, that is, the entrance and exit. It includes a locking portion 94 formed in).

The hook portion 92 protrudes upward from the lower plate portion 19 'of the accommodating portion 19 and then bends backward to form a hook portion protrusion 92a and a rear end of the hook portion protrusion 92a that are formed in a' 'shape as a whole. It includes a hook portion engaging jaw 92b that protrudes downward from the lower portion (19 ') of the accommodating portion 19 and has a gap through which the locking portion protrusion 94a described later of the locking portion 94 can enter and exit. do.

The catching portion 94 protrudes upward from one end of the tubing pipe stopper 70, especially from the bottom, and is formed to have a '-' shape, and protrudes upward from the tip of the catching protrusion 94a. It includes a locking portion locking jaw 94b formed to be caught to the locking jaw 92b of the hook portion 92 when inserted below the hook portion projecting portion (92a) of the 92.

 On the other hand, the tubing pipe stopper 70 is formed with support means for supporting the chassis 10 inclined with respect to the mounting plate 20.

The supporting means may be formed separately from the hooking protrusion 94a, and the hooking protrusion 94a may also serve as the supporting means, and the hooking protrusion 94a may be defined as the tubing pipe stopper 70. It consists of a plate body portion formed orthogonal to the lower end of the hook portion 94a will be described as serving as a support means while the surface contact with the mounting plate 20 or the wall surface.

On the other hand, the indoor unit of the air conditioner according to the present embodiment, the elastic means 110 for holding the hinge shaft connecting portion 94 and the hinge shaft connecting portion 94 so that the locking portion 94 is positioned to face the hook portion 92. It further comprises a fixing member 120 to prevent any deviation from the hinge axis (92).

 The elastic means 110 prevents the tubing pipe stopper 70 from being suddenly moved when the tubing pipe stopper 70 moves, and prevents the tubing pipe stopper 70 from being randomly moved to the release position U by vibration or shock. Pressing the tubing piping stopper 70 to a restraining position L, which is a position at which the tubing piping stopper 70 is restrained by the chassis 10, is disposed between the hinge shaft 82 and the hinge shaft connecting portion 84 and hinged. Compressed and pressed by the shaft connecting portion 84 and is made of a spring that is tensioned by its own elastic force to push the hinge shaft connecting portion 84 when no external force acts on the hinge shaft connecting portion 84.

  The fixing member 120 prevents the hinge shaft connecting portion 84 from being separated from the hinge shaft 82 and prevents the tubing pipe stopper 70 from being pushed beyond the restraint position L, which is a position where the tubing pipe stopper 70 is fixed to the chassis 10. The position of the stopper 70 is limited, and is formed of a fastening member such as a screw fastened to the hinge shaft 82 so that the hinge shaft connecting portion 84 is engaged.

Referring to the operation of the present invention configured as described above are as follows.

First, as illustrated in FIGS. 3 and 6, the tubing tubing stopper 70 is disposed when the locking portion 94 is positioned to face the hook portion 92 (hereinafter referred to as L: a restraint position). The locking jaw of the 94 is caught and restrained by the locking jaw of the hook portion 92, and the tubing pipe stopper 70 does not rotate about the hinge shaft 82, and the tubing pipe stopper 70 is accommodated in the receiving portion 19. It is fixed to the chassis 10 in a state that is arranged to cross in the vertical direction.

As described above, the tubing pipe spotter 70 is transported together with the chassis 10 in a fixed state to the chassis 10, and supports the tubing pipe 69 accommodated in the receiving unit 19 as described below. In addition, the separation of the tubing pipe 69 is prevented.

On the other hand, in a state where the tubing piping stopper 70 is caught on the chassis 10 side as shown in FIGS. 3 and 6, an operator or the like moves the tubing piping stopper 70 to the elastic means 110 or the vertical shaft 83. Direction, that is, in the left direction of FIGS. 6 and 7, the tubing tubing stopper 70 has a hinge shaft as shown in FIGS. 6 and 7 while the hinge shaft connecting portion 84 compresses the elastic means 110. And moved along 82, wherein the locking portion 94 is laterally exited from the hook portion 92, and the tubing pipe stopper 70 is not constrained to the hook portion (U: hereinafter, release position). Is called).

When an operator or the like lifts up the tubing piping stopper 70 positioned at the release position U, the tubing piping stopper 70 is rotated upwardly about the hinge axis 82 as shown in FIG. The rear opening surface of the accommodating portion 19 is open to all of the accommodation portions 19 without crossing the vertical direction 19.

At this time, when an operator or the like continues to hold the tubing piping stopper 70, the tubing piping stopper 70 continues to compress the elastic means 110, and if the hand held by the tubing piping stopper 70 is released, the tubing piping The stopper 70 is moved toward the fixing member 120 by the elastic means 110.

On the other hand, the worker or the like inserts the tubing pipe 69 into the receiving unit 19 in a state in which the rear open surface of the receiving unit 19 is opened as described above, and one side of the tubing piping 69 is contained in the receiving unit 19. The left and right side of the penetrates to one side, the tubing pipe 69 is disposed a part of the outside of the chassis 10.

Thereafter, the worker or the like secures the tubing pipe stopper 70 to the chassis 10 in the reverse order.

That is, when an operator or the like rotates the tubing piping stopper 70 as shown in FIG. 7 at the position shown in FIG. 8, the tubing piping stopper 70 crosses the rear open surface of the receiving portion 19 in the vertical direction. It is arranged while squeezing, and then works so that the locking portion 94 is positioned to face the hook portion 92.

When the worker releases the hand holding the tubing pipe stopper 70 while the tubing pipe stopper 70 is located in FIG. 7 or moves the tubing pipe stopper 70 to the right direction of FIGS. 6 and 7, The pipe stopper 70 is moved along the hinge shaft 82, as shown in FIGS. 6 and 7 while the hinge shaft connecting portion 84 is pushed by the elastic means 110, where the locking portion 94 is moved. It is inserted between the hook part 92 and the lower plate part 19 'of the accommodating part 19, and is caught by the hook part 92 in the rotation direction of the tubing piping stopper 70, and the tubing piping stopper 70 is hooked ( 92 is located at the restraint position L, which is the position restrained at 92).

 As described above, when the tubing pipe stopper 70 is located at the restraint position L, the pushing force of the tubing pipe 69 accommodated in the accommodating part 19 may be applied to the tubing pipe stopper 70, but the tubing pipe stopper 70 may be applied. In the 70, the locking portion 94 is caught in the hook portion 92 in the rotational direction, so that the locking portion 94 is not pushed or rotated by the tubing piping 69, and the tubing piping 69 is not separated from the receiving portion 19. Do not.

On the other hand, the indoor unit of the air conditioner of the present embodiment is fastened by fastening the mounting plate 20 to the wall of the room with a fastening member such as a screw, and the upper part of the chassis 10 is fastened to the upper part of the mounting plate 20 chassis ( 10) is installed on the mounting plate 20, the chassis 10 for the convenience of work or the surrounding environment during the installation work during the installation of the chassis 10 to the mounting plate 20 or detached from the mounting plate 20 ) Should be disposed to be inclined with respect to the mounting plate 20, the tubing pipe with the locking portion 14a formed in the upper portion of the chassis 10 to the hook portion 21 formed at the upper end of the mounting plate 20. If the locking portion 94 of the stopper 70 is temporarily removed from the hooking portion 92 of the chassis 10, then the locking portion protrusion 94a is rotated in surface contact with the mounting plate 20 or the wall. The pipe stopper 70 is disposed orthogonally to the mounting plate 20 or the wall with the hinge connecting portion 84 connected to the hinge shaft 82, and the chassis 10 is The inclined maintain the arrangement by the ice pipe stopper 70.

10 is an enlarged cross-sectional view of an essential part of another embodiment of an indoor unit of an air conditioner according to the present invention.

The indoor unit of the air conditioner according to the present embodiment includes a detachable protrusion 90a formed on the tubing pipe stopper 70, and the detachable means 90 is not formed, and a separate catching jaw is not formed. It is made of only the hook portion projecting portion (92a) formed, no separate hook portion locking jaw is formed, other configuration and action other than the detachable means 90 is the same as the embodiment of the present invention, the same reference numerals are used and the details thereof Description is omitted.

That is, when the tubing piping stopper 70 is inserted between the hooking projection 94a between the hooking projection 92a and the lower plate portion 19 'of the receiving portion 19, the tubing piping stopper 70 rotates clockwise. The catching protrusion 94a is caught and restrained by the catching protrusion 92a, and the catching protrusion 94a is attached to the lower plate portion 19 'of the receiving portion 19 when the tubing pipe stopper 70 rotates counterclockwise. Since the rotation of the tubing piping stopper 70 is limited by being caught, the tubing piping stopper 70 may be restrained without a separate locking step as in the exemplary embodiment of the present invention.

On the other hand, in the case of restraining the tubing piping stopper 70 without a separate locking step as described above, if the front and rear length of the hook portion projecting portion (92a) is short, the lower plate portion 19 of the hook portion projection (92a) or the receiving portion 19 ′ Is partially bent, so that the hook portion projecting portion 92a can slide out in the direction of rotation of the tubing pipe stopper 70 between the hook portion projecting portion 92a and the lower plate portion 19 ′ of the receiving portion 19. The front-rear length of the hook portion projecting portion 92a is preferably formed at least 1/4 of the length of the front-rear length of the lower plate portion 19 'of the accommodation portion 19.

11 is an enlarged cross-sectional view of an essential part of still another embodiment of the air conditioner indoor unit according to the present invention.

As shown in FIG. 11, the air conditioner indoor unit according to the present embodiment is positioned above the hook part protrusion 92a when the tubing pipe stopper 90 is fixed, and is caught in the rotation direction by the hook part protrusion 92a. Further comprising a plate portion 94c which is an additional locking portion, and other configurations and actions other than the plate portion 94c are the same or similar to one embodiment and the other embodiment of the present invention using the same reference numerals and detailed description thereof Omit.

In addition, it is also possible that the air conditioner indoor unit according to the present embodiment may further include a plate portion engaging jaw 94d that is caught on the tip of the hook portion projecting portion 92a at the tip of the plate portion 94c.

1 is a perspective view before installation of an air conditioner indoor unit according to an embodiment of the present invention;

2 is an exploded perspective view of an embodiment of an indoor unit of an air conditioner according to the present invention;

3 is a longitudinal sectional view of an embodiment of an indoor unit of an air conditioner according to the present invention;

4 is a rear perspective view when the indoor unit shown in FIG. 1 is combined with an installation plate;

5 is an enlarged exploded perspective view of the tubing pipe stopper of the air conditioner indoor unit according to the present invention separated from the chassis;

FIG. 6 is a rear view when the tubing tubing stopper shown in FIG. 5 is fixed to the chassis; FIG.

FIG. 7 is a rear view when the tubing pipe stopper shown in FIG. 6 is moved from a position of FIG. 6 to a rotatable position;

8 is a rear view when the tubing pipe stopper shown in FIG. 7 is rotated upwardly about a hinge axis;

9 is a schematic side view when the tubing tubing stopper shown in FIG. 7 supports the chassis and the chassis is inclined;

 10 is an enlarged cross-sectional view of an essential part of another embodiment of an indoor unit of an air conditioner according to the present invention;

11 is an enlarged cross-sectional view of an essential part of still another embodiment of the air conditioner indoor unit according to the present invention.

<Explanation of symbols on main parts of the drawings>

10: chassis 19: receiver

19 ′: Lower plate 20: Mounting plate

24: front frame 60: heat exchanger

69: tubing piping 70: tubing piping stopper

80: hinge means 82: hinge axis

84: hinge shaft connection 90: detachable means

92: hook portion 92a: hook portion protrusion

92b: hook portion locking jaw 94: hook portion

94a: locking projection 94b: locking projection

Claims (7)

A chassis forming a rear appearance of the indoor unit of the air conditioner and having a receiving portion at a lower portion thereof; Tubing tubing received in the housing and connected to the heat exchanger; An air conditioner indoor unit including a tubing pipe stopper on which one side is rotatably connected to the chassis by a hinge means so as to restrain the tubing pipe housed in the accommodating part, and the other side is detachable by a detachable means to the chassis. The method of claim 1, The detachable means is hooked to protrude from the lower plate portion of the receiving portion, and is caught between the lower plate portion and the hook portion of the receiving portion in the rotational direction of the tubing pipe stopper and is connected between the lower plate portion and the hook portion of the receiving portion. An air conditioner indoor unit including a locking portion formed on the tubing pipe stopper to allow access in the left and right directions. The method of claim 2, The hinge means comprises a hinge axis formed to be arranged long in the left and right directions on the chassis, And a hinge shaft connection portion formed on the tubing pipe stopper so as to rotate about the hinge axis and move along the hinge axis in a longitudinal direction of the hinge axis. The method of claim 3, wherein The air conditioner indoor unit may further include an elastic means for holding the hinge shaft connecting portion in a direction in which the locking portion is disposed opposite to the hook portion, and a fixing member for preventing the hinge shaft connecting portion from being separated from the hinge shaft. Harmonic indoor unit. The method of claim 4, wherein And the elastic means is a spring disposed between the hinge shaft and the hinge shaft connection. The method of claim 4, wherein The fixing member is an air conditioner indoor unit is a fastening member which is fastened to the hinge shaft so that the hinge shaft connecting portion is caught in the longitudinal direction. The method of claim 1, The air conditioner indoor unit further includes a mounting plate on which the chassis is mounted. The tubing stopper is an air conditioner indoor unit formed with a support means for supporting the chassis inclined with respect to the mounting plate.

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