JP5611156B2 - Motor mounting / removal device and air conditioner using the same - Google Patents

Description

  The present invention relates to an apparatus for attaching / detaching a motor for driving a fan and an air conditioner using the same.

  In an air conditioner that has a motor for driving a fan, in order to place a motor that rotates the blower fan on one side in the left-right direction in the casing of the indoor unit, a component that holds the motor using another component and further holds the motor The claw can be fixed by engaging the claw receiving portion on the housing side, and a claw removing lever that protrudes outward from the part is provided at the upper end of the claw. There is one in which the operation of releasing the engagement between the claw and the housing can be facilitated by operating the lever (see, for example, Patent Document 1).

  In addition, a U-groove or round hole for removing the fixing screw is provided in the part that closes the front surface of the fixing screw mounting portion of the motor, and the motor is mounted using an elongated screwdriver without removing the part that closes the front surface of the fixing screw mounting portion. There is one that can be removed (see, for example, Patent Document 2).

  Further, in an air conditioner in which a fan and a motor are connected to each other by a connecting member such as a bolt, there is an air conditioner provided with an insertion port for inserting a tool for attaching and removing the connecting member on the front surface of the indoor unit (For example, refer to Patent Document 3).

Japanese Unexamined Patent Publication No. 09-112944 (FIGS. 3 and 4) JP-A-11-159788 (FIGS. 1 to 4) Japanese Utility Model Publication No. 63-087433 (FIGS. 1 and 2)

  However, a claw is provided on the part that holds the motor, and a claw removal lever that protrudes outward from the claw is provided at the top of the claw. By operating this lever, the engagement between the claw and the housing can be easily released. In the device that can be used (Patent Document 1), since the lever for removing the nail is exposed, the user carelessly removes the motor, which may cause a failure.

  In addition, the parts that block the front of the motor fixing screw mounting part are provided with U-grooves or round holes for removing the fixing screw (Patent Document 2), and the fan-motor connecting part in the front part of the indoor unit Inserting a U-groove or round hole for removing a fixing screw or a tool even if the insertion port for inserting a tool for attaching and detaching a connecting member is provided at a corresponding position (Patent Document 3) Since the insertion slot to be exposed is exposed, there is a risk that the user may inadvertently remove the motor. Therefore, conventionally, a lid member that covers a U-groove or a round hole or an insertion port for inserting a tool is manufactured conventionally, and the U-groove, the round hole, or the insertion port is concealed by the lid member. As a result, the user is informed that there is an operation unit there.

  The present invention has been made to solve the above-described problems. The motor can be easily removed, and maintenance and recycling for maintenance contractors and recycling contractors are improved. The purpose is to prevent the motor from being easily removed.

A motor mounting / removal device according to the present invention includes a housing, a blower fan housed in the housing, a motor that rotates the blower fan, and an inwardly engaging portion that can be engaged with the housing. A motor holder that holds the motor so as to be sandwiched from a direction orthogonal to the motor axis by a motor presser and a motor pedestal, and detachably fixes the motor to the housing via the locking portion, The motor holder is formed with a bridge extending outwardly on the surface of one side of the motor pedestal and extending in the horizontal direction. The bridge is provided with the locking portion so as to protrude downward. A first tool insertion portion is provided at a position corresponding to the stop portion, and the locking portion can be operated from the outside through the first tool insertion portion.

In the motor mounting / removal device according to the present invention, if a tool is used, the locking portion can be operated from the outside through the first tool insertion portion of the motor holder, so that the motor can be easily removed. . For this reason, the maintainability and recyclability for maintenance contractors and recycle contractors can be improved.
In addition, since the locking portion that can be engaged with the housing is facing inward and is not exposed outside the field of view of the first tool insertion portion, the user notices that the locking portion exists there. The user will not accidentally remove the motor.

It is sectional drawing of the side view in the longitudinal center part of the air conditioner using the attachment / detachment apparatus of the motor which concerns on Embodiment 1 of this invention. It is a perspective view which shows arrangement | positioning / structure of the ventilation fan of an air conditioner using the motor attachment / detachment apparatus which concerns on Embodiment 1 of this invention, and the motor for a fan drive from upper direction. It is explanatory drawing of the procedure of the attachment / detachment to the motor holder of the motor for fan drive of the air conditioner using the motor attachment / detachment apparatus which concerns on Embodiment 1 of this invention. It is explanatory drawing of the procedure of the attachment / detachment to the housing | casing of the motor for motor drive of an air conditioner and the assembly of a motor holder using the motor attachment / detachment apparatus which concerns on Embodiment 1 of this invention. The front view in the engaging part which shows the state after the attachment to the housing | casing of the motor for motor drive of an air conditioner using the motor attachment / detachment apparatus which concerns on Embodiment 1 of this invention, and the motor holder assembly FIG. It is a perspective view which shows the state after the attachment to the housing | casing of the motor for a fan drive of the air conditioner using the motor attachment / detachment apparatus which concerns on Embodiment 2 of this invention, and the assembly of a motor holder. . It is a perspective view which shows the external appearance of the air conditioner using the attachment / detachment apparatus of the motor which concerns on Embodiment 2 of this invention from the downward direction. It is a perspective view which shows the components structure of the motor holder periphery of the air conditioner using the motor attachment / detachment apparatus which concerns on Embodiment 2 of this invention. It is a refrigerant circuit figure of the refrigerating cycle of the air conditioner using the attachment / detachment apparatus of the motor which concerns on Embodiment 3 of this invention.

Embodiment 1. FIG.
FIG. 1 is a cross-sectional view in a side view of a longitudinally central portion of an air conditioner using a motor mounting / removal device according to Embodiment 1 of the present invention, and FIG. 2 is a motor mounting / removal according to Embodiment 1 of the present invention. It is a perspective view which shows arrangement | positioning / structure of the ventilation fan of an air conditioner using an apparatus, and the motor for a fan drive from upper direction.
The air conditioner 100 using the motor mounting / removal device according to Embodiment 1 of the present invention includes a housing 3 having an inlet 1 and an outlet 2 as shown in FIGS. It is installed in the air path from the suction port 1 to the blower outlet 2 and is arranged on the upstream side of the blower fan 4 in the wind path and the blower fan 4 that generates an air flow from the suction port 1 to the blower outlet 2 and sucks it. A heat exchanger 5 that harmonizes the air, a filter 6 that covers the suction port 1 and captures dust contained in the sucked air, and a filter cleaning device 7 that cleans the filter 6. .

  More specifically, the housing 3 has a cylindrical shape in which both end faces (not shown) are closed, and a part of the top surface (upper side in FIG. 1) is opened. A suction port 1 for sucking air is formed. In addition, the housing 3 has a part of the bottom surface (lower side in FIG. 1) that is open, and the opening forms an air outlet 2 that blows out the air sucked from the air inlet 1. Furthermore, the front surface (left side in FIG. 1) of the housing 3 is opened, and a front panel 8 that opens and closes the opening is installed. In addition, the back surface (right side in FIG. 1) of the housing 3 is closed.

  The blower fan 4 is disposed at a substantially central portion in a side view of the housing 3. The blowing side air passage between the blower fan 4 and the blower outlet 2 is formed so as to be sandwiched between the nozzle 11 and the back guide plate 12. A motor 13 that rotates the blower fan 4 is disposed on one side of the main body in the left-right direction.

FIG. 3 is an explanatory diagram of a procedure for attaching / detaching a motor for driving a fan of an air conditioner to / from a motor holder using the motor attaching / detaching device according to Embodiment 1 of the present invention, and FIG. FIG. 5 is an explanatory view of a procedure for mounting / removing an assembly of a motor and a motor holder for an air conditioner fan using the motor mounting / removing device according to Embodiment 1 to / from the housing. FIG. Sectional drawing of the front view in the engaging part which shows the state after the attachment to the housing | casing of the motor for fan drive of the air conditioner using the motor attachment / detachment apparatus which concerns on Embodiment 1, and a motor holder assembly It is.
That is, the motor 13 is held so as to be sandwiched from the direction perpendicular to the motor shaft by the two-piece motor holder 14 composed of the motor presser 14a and the motor base 14b as shown in FIGS. The motor holder 14 is formed with a bridge 14e extending outwardly on the surface of one side of the motor base 14b and extending in the horizontal direction. The bridge 14e hangs downward in the middle of the longitudinal direction of the bridge 14e. A claw 14c, which is a latching portion that can be engaged with the claw receiving portion 3b, is provided with the hook portion facing inward, so that the motor 13 can be detachably temporarily fixed to the housing 3 via the claw 14c. It has become. The claw receiving portion 3b of the housing 3 has a shape that is convexly curved upward, and a concave shape portion 15 is formed on the lower surface side, and the tip side of the concave shape portion 15 is engaged with the claw 14c of the motor base 14b. It is configured to be compatible. The bridge 14e of the motor base 14b is provided with a first tool insertion portion 14d formed by a groove at a position corresponding to the claw 14c, and the claw is externally applied by a tool through the first tool insertion portion 14d. The disengagement operation of 14c and the nail | claw receiving part 3b is possible. That is, the claw 14c is formed below the groove bottom portion of the first tool insertion portion 14d formed by a groove, and engages with the claw receiving portion 3b of the housing 3 so as to wrap around from the outside, and the engagement portion is It is formed inward (so as to face the main body side of the motor base 14b) so as to be out of the field of view of the first tool insertion portion 14d. The first tool insertion portion 14d is not limited to the groove, and may be formed by a hole or a notch.

  In such a configuration, the motor 13 is assembled to the motor holder 14 and attached to the housing 3. Then, parts (plural) around the motor holder are attached, and the first tool insertion portion 14d of the motor holder 14 is attached by at least one of these parts (for example, a power supply base part 30 described later shown in FIG. 8). Is supposed to be covered.

  Further, the parts that cover the motor holder 14 and the first tool insertion portion 14d are disposed inward of the front panel 8, and the first tool insertion portion 14d can be operated even when the front panel 8 is opened. It is concealed by parts around the holder.

  Next, FIG. 2 thru | or about the procedure of the attachment / detachment to the housing | casing from the assembly of the motor and motor holder for a fan drive of the air conditioner using the motor attachment / detachment apparatus which concerns on Embodiment 1 of this invention. This will be described with reference to FIG. First, as shown in FIG. 3, the casing of the motor 13 is sandwiched between the motor presser 14a and the motor base 14b of the motor holder 14, and the assembly of the motor 13 and the motor holder 14 is manufactured. Next, the shaft 13a of the motor 13 of this assembly is inserted and passed through the motor shaft hole 3a of the housing 3 as shown in FIG. 4, and further inserted into the shaft hole 4a of the blower fan 4 as shown in FIG. The claw 14c serving as the locking portion of 14b is fitted into the claw receiving portion 3b of the housing 3 from the outside. As a result, the assembly of the motor 13 and the motor holder 14 is temporarily fixed at a regular position in the housing 3. Thereafter, the motor holder 14 and the housing 3 are fixed by a plurality of screws 16 (see FIG. 2), so that the assembly of the motor holder 14 is permanently fixed in the housing 3.

  When removing the motor 13, first, the part 16 covering the first tool insertion portion 14 d and the screw 16 (see FIG. 2) that permanently fixes the motor holder 14 to the housing 3 are removed. Next, the motor holder 14 is gripped to remove the hook between the claw 14c and the claw receiving portion 3b. At this time, the claw fixing portion (hook portion) cannot be seen from the outside because it is inside the casing. However, since the maintenance contractor and the recycle contractor can recognize the first tool insertion portion 14d exposed at this stage, the disengagement operation of the claw 14c can be easily performed from the outside using a tool. For this reason, it is possible to improve the maintainability and recyclability for maintenance contractors and recycle contractors.

  However, even if the user removes the part covering the first tool insertion portion 14d, the user sees the claw fixing portion (hook portion) existing in the back of the first tool insertion portion 14d facing inward. Therefore, even if the first tool insertion portion 14d is exposed, it cannot be recognized that the claw fixing portion (hook portion) exists. For this reason, the motor 13 is not accidentally removed.

  Further, the parts that cover the motor holder 14 and the first tool insertion portion 14d are arranged inside the front panel 8, and the first tool insertion portion 14d can be used even when the front panel 8 is opened. Since it is concealed by the peripheral parts, the user will not be aware that the claw fixing portion (hook portion) exists. Furthermore, since a lid member for concealing the first tool insertion portion 14d is not necessary, it is not necessary to increase the number of parts, which contributes to resource saving.

Embodiment 2. FIG.
FIG. 6 is a perspective view from the front showing a state after the assembly of the motor driving motor and motor holder assembly of the air conditioner using the motor attaching / detaching device according to Embodiment 2 of the present invention to the housing. 7 is a perspective view showing an external view of an air conditioner using a motor mounting / removal device according to Embodiment 2 of the present invention from below, and FIG. 8 is a motor mounting / removal according to Embodiment 2 of the present invention. It is a perspective view which shows the components structure of the motor holder periphery of the air conditioner using an apparatus, and attaches | subjects the same code | symbol to the part corresponded to the above-mentioned Embodiment 1 in the figure.
The air conditioner 100A using the motor mounting / removal device according to Embodiment 2 of the present invention is positioned at a position facing the claw 14c that is a locking portion on the front surface (here, the front surface) of the housing 3 as shown in FIG. The second tool insertion portion 20 formed by a through-hole is provided, and the disengagement operation between the claw 14c and the claw receiving portion 3b can be performed from the outside by a tool even through the second tool insertion portion 20. . The second tool insertion portion 14c is not limited to the through hole, and may be formed by a groove or a notch as long as it has a shape into which an elongated tool can be inserted.

  In such a configuration, the motor 13 is assembled to the motor holder 14 and attached to the housing 3. The power supply base part 30 (FIG. 8) and the corner design part 40 (FIGS. 7 and 8) are attached around the motor holder 14, and the first tool on the motor holder 14 side by the power supply base part 30. The insertion portion 14d is covered, and the second tool insertion portion 20 on the housing 3 side is covered with the corner design component 40.

  That is, the power supply base component 30 is attached to the back side inside the front panel 8, and the corner design part 40 is attached to the left and right lower parts of the indoor unit inside the front panel 8. The first tool insertion portion 14d and the second tool insertion portion 20 are covered by the corner design component 40, and the first tool insertion portion 14d and the second tool insertion portion 20 are opened even when the front panel 8 is opened. The tool insertion part 20 is concealed by the power supply base part 30 and the corner design part 40. The other configuration is the same as that of the first embodiment described above, and has all the functions of the first embodiment.

  In the air conditioner using the motor mounting / removal device according to Embodiment 2 of the present invention, the second tool insertion portion 20 is provided in addition to the first tool insertion portion 14d. It is also possible to remove the hook by inserting a long tool 21 such as a screwdriver from the second tool insertion portion 20, applying the tip of the tool 21 to the claw receiving portion 3 b and bending the claw 14 c or the claw receiving portion 3 b. At this time, if the concave portion 15 (see FIG. 5) is provided on the claw 14c or the claw receiving portion 3b as in the first embodiment, the tip of the tool 21 is provided. Since the position of the contact portion becomes clear, it is easy to apply force and workability is improved.

  As described above, in the air conditioner using the motor attachment / detachment device according to the present invention, the first tool insertion portion 14d or the housing 3 provided on the surface of the motor holder 14 is obtained by using the tool 21. Since the claw 14c, which is a locking portion, can be operated from the outside through the second tool insertion portion 20 provided on the surface, the motor 13 can be easily removed. For this reason, maintainability and recyclability for maintenance contractors and recycle contractors can be ensured.

  Further, since the claw 14c, which is a locking part that can be engaged with the claw receiving part 3b of the housing 3, is provided with the hook part facing inward and is not exposed, there is a locking part there. The user will not be aware of this, and the user will not accidentally remove the motor.

Embodiment 3. FIG.
FIG. 9 is a refrigerant circuit diagram of a refrigeration cycle of an air conditioner using a motor mounting / removal device according to Embodiment 3 of the present invention.
The air conditioner using the motor attaching / detaching device according to Embodiment 3 of the present invention includes a compressor 33, a condenser 34, a throttling device 35, an evaporator 36, a condenser blower fan 37a, and its compressor as shown in FIG. The first motor 38a for driving, the blower fan 37b for evaporator, and the second motor 38b for driving the motor, the compressor 33, the condenser 34, the expansion device 35, and the evaporator 36 are refrigerant pipes. Are connected in a ring shape. By using the motor mounting / removal device according to Embodiments 1 and 2 described above for the first motor 38a of the condenser blower fan 37a, the second motor 38b of the evaporator blower fan 37b, or both, the motor can be easily operated. Therefore, it is possible to improve the maintainability and recyclability for the maintenance contractor and the recycle contractor, and prevent the user from easily removing the motor.

  DESCRIPTION OF SYMBOLS 1 Suction inlet, 2 blower outlets, 3 housing | casing, 3a motor shaft hole, 3b claw receiving part, 4 ventilation fan, 4a shaft hole, 5 heat exchanger, 6 filter, 7 filter cleaning apparatus, 8 front panel, 11 nozzle, 12 Back guide plate, 13 Motor, 13a Motor shaft, 14 Motor holder, 14a Motor holder, 14b Motor base, 14c Claw (locking part), 14d First tool insertion part, 14e Bridge, 15 Concave part, 16 Screw, 20 Second tool insertion part, 21 Tool, 30 Power supply base part, 33 Compressor, 34 Condenser, 35 Concentrator, 36 Evaporator, 37a Condenser fan, 37b Evaporator fan, 38a 1st Motor, 38b second motor, 40 corner design parts, 100, 100A air conditioner.

Claims (6)

A housing,
A blower fan housed in the housing;
A motor for rotating the blower fan;
An inward locking portion that can be engaged with the housing; and the motor is held by a motor presser and a motor base so as to be sandwiched from a direction perpendicular to the motor shaft, and the motor is held by the locking portion. A motor holder that is detachably fixed to the housing via
In the motor holder, a bridge is formed on the surface of one side of the motor pedestal so as to protrude outward and extend in the horizontal direction, and the bridge is provided with the locking portion protruding downward. A motor mounting / removal characterized in that a first tool insertion portion is provided at a position corresponding to the locking portion, and the locking portion can be operated from the outside through the first tool insertion portion. apparatus.   2. The motor attaching / detaching device according to claim 1, wherein the first tool insertion portion is a hole, a notch, or a groove formed in the motor holder.   The motor mounting / removing device according to claim 1 or 2, wherein the first tool insertion portion is covered with at least one component that is detachably mounted around the motor holder.   A front panel is openably and closably provided on the front surface of the housing, and the first tool insertion portion is concealed by components around the motor holder even when the front panel is opened. The motor mounting / removing device according to claim 3.   The housing is provided with a second tool insertion portion at a position facing the locking portion, and the locking portion can be operated from the outside through the second tool insertion portion. The motor attaching / detaching device according to any one of claims 1 to 4. In an air conditioner in which a compressor, a condenser, a throttling device, and an evaporator are connected in an annular shape,
A condenser blower fan that generates a flow of wind that passes through the condenser and a first motor for driving the fan, a blower fan for evaporator that generates a flow of wind that passes through the evaporator, and a first fan for driving the fan. The motor mounting / removing device according to any one of claims 1 to 5 is used for both or any one of the first and second motors for driving the fan. An air conditioner characterized by

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