JP2007212042A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner capable of improving working efficiency in mounting and demounting a motor in mounting, maintenance and the like. <P>SOLUTION: This air conditioner comprises an indoor unit exchanging heat with the indoor air, the indoor unit comprises a transverse flow fan 55 distributing the air indoors, a fan motor 57 driving the transverse flow fan 55, a motor installation space M receiving the fan motor 57, and a ventilation space F receiving the transverse flow fan 55, and the fan motor 57 comprises a shaft (rotating shaft) 57a extending from the motor main body to the ventilation space F and connected with the transverse fan 55 received in the ventilation space F, and a vibration control rubber (vibration control means) 57b disposed around the rotating shaft. A vibration control rubber fixing wall (fixing plate) 65 is further disposed to control the movement of the vibration control rubber 57b. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an air conditioner, and more particularly to a fan motor mounting structure in an indoor unit.

In general, an air conditioner is an apparatus that performs air conditioning by heating or cooling indoor air using a refrigerant, and includes an indoor unit that exchanges heat with indoor air and an outdoor unit that exchanges heat with outdoor air. Prepare.
7 and 8 show the internal structure of the indoor unit. FIG. 7 is an internal exploded perspective view showing the front side of the indoor unit facing upward, and FIG. 8 is an enlarged perspective view showing the motor portion. In the figure, reference numeral 6 denotes an indoor heat exchanger, 15 denotes a cross flow fan, 16 denotes a motor, 20 denotes a base, 22 denotes a motor fixing seat, and 23 denotes a motor cover.

  As shown in FIG. 7, the indoor heat exchanger 6 is positioned so as to cover the cross-flow fan 15, and is configured by combining a plurality of indoor heat exchanger units 6a. A side plate 6b is provided at the end of the indoor heat exchanger 6, and the indoor heat exchanger 6 is attached to the base 20 at both ends in the longitudinal direction.

  The base 20 is integrally formed of a material such as resin, and an arcuate wall surface or an inclined wall surface is formed on the inner wall surface (illustrated side). The cross flow fan 15, the indoor heat exchanger 6, etc. It functions as a ventilation path by being installed in the base 20.

  The base 20 is formed with a partition wall W2 that is divided into a ventilation space F and a motor installation space M to which the fan motor 16 and the like are attached. Further, a wall portion W1 positioned on the end side of the base 20 with the ventilation space F interposed therebetween is formed so as to face the partition wall W2.

  In the ventilation space F located between the wall portion W1 and the partition wall W2, the cross flow fan 15 described above is provided, and one end of the cross flow fan 15 is connected to the wall portion by the bearing 17 and the restraining plate 18. It is attached to the fan fixing seat 21 formed in W1.

  The other end of the cross flow fan 15 located on the partition wall W2 side is supported by the fan motor 16 installed in the motor installation space M across the partition wall W2. The fan motor 16 is fitted into a motor fixing seat 22 formed integrally with the base 20, and the shaft 16 a of the fan motor 16 is inserted into the cross flow fan 15 so that the cross flow fan 15 is rotatably supported. The Anti-vibration rubber 16b is provided on both side surfaces of the columnar fan motor 16, and a shaft 16a for transmitting power is provided on the cross flow fan 15 side.

  The motor fixing seat 22 is integrally formed with the base 20 and includes a semicircular arc-shaped recess H1 formed at that time. A wall portion W22a is formed between the ventilation space F provided with the cross flow fan 15 and the recess H1. The wall portion W22a is formed to have a height that is half that of the fan motor 16 in accordance with the shape of the recess H1, and the upper portion of the wall portion W22a is removed in accordance with the shape of the vibration isolating rubber 16b provided in the fan motor 16. A cutout 22a is formed.

  The motor cover 23 is a cover formed in a substantially semi-cylindrical shape so as to cover the half surface of the fan motor 16, and is fixed to the motor fixing seat 22 with the motor 16 sandwiched between the motor fixing seat 22. The

FIG. 8 shows an enlarged view of the vicinity of the motor fixing seat 22. The anti-vibration rubber 16b is located on the inner side (cross flow fan 15 side) of the notch 22a of the motor fixing seat 22, and the wall portion 19 that forms the ventilation space F is further provided on the inner side. The wall portion 19 is formed with a notch 19a for allowing the shaft 16a to pass therethrough.
JP 2005-188832 A

The outer end of the fan motor 16 is supported by a wall W22b that faces the wall W22a. The wall W <b> 22 b includes a semicircular cutout 25 smaller than the diameter of the motor 22, and a wall 26 whose height dimension is located on the left and right sides of the cutout 25 to the approximate radial center of the fan motor 16. Prepare.
Due to such a shape, when the fan motor 16 is removed during maintenance or the like, there is a problem that the wall 26 becomes an obstacle and it is difficult to pull it out to the right in the figure.
Further, when the motor is attached and detached during assembly, maintenance, etc., the vibration isolating rubber 16b on the cross flow fan 15 side is easily separated from the motor. In order to prevent this, the operator has to be careful not to displace the anti-vibration rubber 16b at the time of attachment, and there is a problem that the working efficiency is lowered.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an air conditioner that can increase work efficiency when a motor is attached or detached during attachment, maintenance, or the like.

  The invention according to claim 1 includes an indoor unit that exchanges heat with indoor air, and the indoor unit includes a fan that sends air into the room, a motor that drives the fan, and a motor in which the motor is housed. An installation space and a ventilation space in which the fan is accommodated, the motor extending from the motor body to the ventilation space and connected to the fan accommodated in the ventilation space; An air conditioner provided with vibration isolating means provided around the apparatus is characterized in that a fixing plate for restricting movement of the vibration isolating means is provided.

  According to the present invention, since the fixing plate is provided adjacent to the vibration isolating means, the fixing plate restricts the movement of the vibration isolating means, and the vibration isolating means is prevented from separating (floating) from the motor. . In addition, since the air flow path is blocked by the fixing plate, the outside air is suppressed from flowing into the fan side.

  The invention according to claim 2 includes an indoor unit that exchanges heat with indoor air, and the indoor unit includes a fan and a motor that drives the fan, wherein the motor is a motor. The motor fixing seat is provided between a cover and a motor fixing seat, and the motor fixing seat includes a recess into which the motor fits and a wall portion supporting the back side of the motor, and the wall portion is a substantially central axis of the motor. It has a notch that extends to a height and enables the motor to be pulled out substantially in the axial direction.

  According to the present invention, since the notch is provided in the wall portion, it is easy to pull out substantially in the axial direction when removing the motor.

In the present invention, the following effects can be obtained.
By providing the fixing plate and fixing the vibration isolating means, it is possible to prevent the vibration isolating means from being displaced, and to improve the working efficiency when attaching and detaching the motor. Further, when the motor is taken out, the motor can be taken out through a notch provided in the wall portion, and the working efficiency is improved.

Next, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is an enlarged perspective view of a fan motor portion of an air conditioner according to an embodiment of the present invention. In FIG. 1, the motor and the motor cover are omitted, and FIG. 2 is a perspective view showing a state where the motor and the motor cover are attached. FIG. 3 is a perspective view of the base.

  In the figure, reference numeral 50 denotes a base, 51 denotes a motor fixing seat, and 52 denotes a motor cover. The indoor heat exchanger 6 is positioned so as to cover a cross flow fan (fan) 55, and is configured by combining a plurality of indoor heat exchanger units. A side plate 56 shown in FIG. 4 is provided at the end of the indoor heat exchanger. The indoor heat exchanger is attached to the base 50 at both ends in the longitudinal direction.

  The base 50 provided in the indoor unit is integrally molded with a material such as resin, and on the inner wall surface (the side shown in the figure), an arc-shaped wall surface or an inclined wall surface is formed. By installing the indoor heat exchanger 6 or the like on the base 50, it functions as a ventilation path.

  The base 50 is formed with a partition wall 58 that is divided into a ventilation space F and a motor installation space M to which a fan motor (motor) 57 and the like are attached.

  The cross flow fan 55 described above is provided in the ventilation space F with the partition wall 58 interposed therebetween, and one end of the cross flow fan 55 is rotatably supported with respect to the base 50, and the other end is a motor installation space M. Is connected to a fan motor 57 installed in the motor.

  The fan motor 57 is fitted into a motor fixing seat 51 integrally formed with the base 50, and a shaft (rotary shaft) 57 a of the fan motor 57 passes through a notch 58 a provided in the partition wall 58 and the transverse flow fan 55. As a result, the cross flow fan 55 is rotatably supported.

  The structure of the fan motor 57 will be described. Vibration-proof rubbers (vibration-proof means) 57b and 57c are provided on both side surfaces of the cylindrical fan motor 57, and a shaft 57a for transmitting power is provided on the inner side. ing. That is, the shaft 57 a is connected to the cross flow fan 55 to support the cross flow fan 55. The anti-vibration rubbers 57b and 57c suppress vibration of the fan motor 57 and suppress vibration and noise.

The motor fixing seat 51 is integrally formed with the base 50 and includes a semicircular arc-shaped recess 60 formed at that time.
Further, a wall portion 61 that is substantially parallel to the partition wall 58 is formed between the ventilation space F provided with the cross flow fan 55 and the recess 60. The wall portion 61 is formed so as to have a height that is approximately half the radial direction of the fan motor 57, and a notch 62 that is removed in accordance with the shape of the vibration-proof rubber 57 b provided in the fan motor 57 at the upper portion thereof. Is formed.

  An anti-vibration rubber fixing wall (fixing plate) 65 is provided between the wall portion 61 and the partition wall 58, and a semi-cylindrical shape formed between the anti-vibration rubber fixing wall 65 and the partition wall 58. The anti-vibration rubber 57 b is accommodated in a space formed by the wall portion 66.

  The anti-vibration rubber fixing wall 65 extends to a substantially central axis height position of the shaft 57a, and a semicircular cutout 65a for allowing the shaft 57a to pass therethrough is formed. The distance between the vibration isolating rubber fixing wall 65 and the wall portion 61 is formed to be substantially equal to the thickness of the vibration isolating rubber 57b. The inner diameter of the semi-cylindrical wall portion 66 is formed to be substantially equal to the diameter of the anti-vibration rubber 57b.

The motor fixing seat 51 is provided with a wall portion 70 that faces the wall portion 61. The wall portion 70 is a wall that supports one end of the fan motor 57 and restricts the outward movement of the motor 57, and includes a recess 70 a that accommodates the vibration-proof rubber 57 c of the motor 57.
Furthermore, a notch 71 is provided so that the motor 57 can be taken out substantially in the axial direction. The bottom surface of the notch 71 is substantially parallel to the base 50, and the other side extends to the edge of the wall portion 70. In a portion other than the notch 71, the height direction of the wall portion 70 is located up to the substantially radial center of the motor 57, but the height dimension of the notch 71 is small.
The notch 71 is provided with a hole 75 a for screwing the motor cover 52 with a screw 75.

Next, the configuration of the motor cover 52 will be described.
As shown in FIG. 5, the motor cover 52 is a cover formed in a substantially semi-cylindrical shape so as to cover the half surface of the fan motor 57, and the fan motor 57 is sandwiched between the motor fixing seat 51 and the motor cover 52. It is fixed to the motor fixing seat 51. A flange 75 is provided at the inner end. The flange 75 is positioned on the inner side of the side plate 56 of the indoor heat exchanger, and is fixed to the base 50 in a state where a substantially semi-cylindrical motor cover main body 52 a protrudes to the outside of the side plate 56. FIG. 4 shows the side plate 56 of the indoor heat exchanger. The side plate 56 is provided with a concave curved surface 73 along the cylindrical shape of the motor cover 52. A peripheral wall 52 b provided adjacent to the flange 75 fits with the concave curved surface 73. Bolt holes 81a and 81b are provided on the motor cover 52 side, and bolt holes 82a and 82b are provided on the side plate 56 side corresponding to the bolt holes 81a and 81b. The heat exchanger 6 is fixed to the motor cover 52 by being bolted with these bolt holes being aligned.

  Further, the peripheral wall 52b is provided with a protrusion 77 protruding outward in the radial direction, and the recess 73 of the side plate 56 is provided with a notch 78 corresponding to the protrusion 77. The protrusions 77 and the notches 78 are formed so as to mesh with each other when the heat exchanger 6 is assembled to the motor cover 52.

  As shown in FIG. 6, the flange 75 of the motor cover 52 is provided with a notch 80 on the peripheral wall so as not to interfere with the indoor heat exchanger 6 when rotated. The two-dot chain line in the figure is the flange shape of the conventional motor cover 23. The notch 80 is cut radially inward from the conventional outer shape, so that the diameter of the flange 75 is partially reduced.

According to the air conditioner of the present embodiment configured as described above, the motor 57 is first attached to the base 50 at the time of assembly. At this time, the vibration isolating rubber 57b is brought into contact with the fixed wall 65. Next, the motor cover 52 and the indoor heat exchanger 6 are attached.
According to the present embodiment, by providing the anti-vibration rubber fixing wall 65, the anti-vibration rubber 57 b is restricted from moving toward the cross-flow fan 55, and the anti-vibration rubber 57 b is separated from the fan motor 57. It is prevented that the anti-vibration effect falls. In particular, since the anti-vibration rubber 57b is easily separated when the fan motor 57 is attached, the work efficiency during the attachment work can be improved.

  Further, in the case of a conventional indoor unit that does not include the anti-vibration rubber fixing wall 65, outside air enters from the outside toward the inside of the cross-flow fan 15 along the periphery of the anti-vibration rubber 16b as shown by arrows in FIG. However, the efficiency of air conditioning may be reduced. According to the present embodiment, since the anti-vibration rubber fixing wall 65 is in contact with the anti-vibration rubber 57b, it is possible to suppress the outside air from entering the inside and prevent the air conditioning efficiency from being lowered.

  Further, since the notch 71 is formed in the wall portion 70 that supports the back surface of the motor 57, when removing the fan motor 57, it is first shifted to the position indicated by the two-dot chain line in FIG. It can be pulled out through the notch 71. Since the cutout 71 is provided, it is not necessary to largely shift the motor 57, and the motor can be easily taken out during maintenance or the like.

Further, since the projection 77 is provided on the motor cover 52 and the notch 78 is provided on the side plate 56 of the heat exchanger, when the projection 77 and the notch 78 are engaged during assembly, the bolt hole 81a, 81b, 82a, 82b can be easily positioned. Therefore, assembly work efficiency can be improved.
A notch may be provided on the motor cover 52 side, and a protrusion that meshes with the notch may be provided on the side plate 56 side.

  Further, as shown in FIG. 6, a notch 80 is provided in the flange 75 of the motor cover 52, and the flange 75 does not interfere with the heat exchanger 6 when being removed. Therefore, the motor cover 52 can be easily attached and detached as shown by the arrows in the figure for maintenance and the like, and the working efficiency can be improved.

It is the perspective view which expanded and showed the fan motor part of the air conditioning apparatus which concerns on one Embodiment of this invention. It is a perspective view in the state where the motor and motor cover of the air harmony device were attached. It is the perspective view which showed the base of the same air conditioning apparatus. It is the top view which showed the side plate of the indoor heat exchanger. It is a perspective view of a motor cover. It is the side view which showed the state which attached the indoor heat exchanger to the motor cover. It is the perspective view which decomposed | disassembled and showed the indoor unit with which the conventional air conditioning apparatus is provided. It is the perspective view which expanded and showed the motor part of the indoor unit.

Explanation of symbols

55 Cross-flow fan (fan)
57 Fan motor (motor)
57a Shaft (Rotating shaft)
57b Anti-vibration rubber (anti-vibration means)
65 Anti-vibration rubber fixed wall (fixed wall)
71 Notch F Ventilation space M Motor installation space

Claims (2)

The indoor unit includes an indoor unit that exchanges heat with indoor air. The indoor unit includes a fan that sends air into the room, a motor that drives the fan, a motor installation space in which the motor is accommodated, and the fan. With ventilation space,
In the air conditioner, the motor includes a rotation shaft that extends from the motor body to the ventilation space and is connected to the fan accommodated in the ventilation space, and vibration isolation means provided around the rotation shaft. ,
An air conditioner comprising a fixed plate for restricting movement of the vibration isolating means. An indoor unit that exchanges heat with indoor air, and the indoor unit is an air conditioner that includes a fan and a motor that drives the fan.
The motor is installed between a motor cover and a motor fixing seat, and the motor fixing seat includes a recess into which the motor fits, and a wall portion that supports the back side of the motor.
The wall portion extends to substantially the height of the central axis of the motor and is provided with a notch that allows the motor to be pulled out in a substantially axial direction.

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