JP2009052837A - Outdoor unit antivibration device of air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an outdoor unit antivibration device of an air conditioner capable of preventing vibration transmission from an outdoor unit to the exterior more positively without complicating an internal structure of the outdoor unit. <P>SOLUTION: The outdoor unit antivibration device is composed of a case member 1 having an internal space, an outdoor unit body 2 of the air conditioner arranged in the internal space of the case member 1, four coil springs 3, ..., 3 supporting the outdoor unit body 2 by suspension with respect to the case member 1, and two antivibration rubbers 4, 4 respectively connected to both side plates 11b, 11b of the case member 1 and both side walls 11b, 11b of the outdoor unit 2, and arranged to elastically allow movements in main vibration directions (the Z direction and the X direction) of the outdoor unit body 2. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an outdoor unit vibration isolator for an air conditioner that performs indoor air conditioning, and is preferably used for an outdoor unit including an electric motor and a device that is operated by the electric motor and serves as a vibration generation source. The present invention relates to an outdoor unit vibration isolator.

  An air conditioner used in a general home or the like includes a refrigerant circuit including elements such as an indoor heat exchanger, a compressor, an outdoor heat exchanger, and an expansion valve, and the refrigerant circuit is installed in a room installed indoors. The refrigerant circulates between the machine and the outdoor unit installed outdoors. The indoor air conditioning by the air conditioner is realized by performing heat exchange in the indoor heat exchanger of the indoor unit and the outdoor heat exchanger of the outdoor unit while the refrigerant circulates in the refrigerant circuit.

  By the way, the outdoor unit of the air conditioner is usually installed on a veranda or the ground via a mount, a concrete block or the like, and this outdoor unit includes a compressor, a fan, and an electric motor and an engine for operating them. Since a plurality of devices that are sources of vibration such as are mounted, countermeasures against vibration and noise are required. Therefore, Patent Document 1 discloses a first vibration isolator that supports a gas engine installed on a base plate in a machine room, and a second vibration isolator that supports the base plate below the first vibration isolator. An outdoor unit and an air conditioner that include a vibrator and are capable of preventing vibration generated around a gas engine are disclosed.

  Patent Document 2 discloses a first vibration isolation device that supports an engine support frame to which an engine and a compressor are fixed on a device installation plate, and a second vibration isolation device that supports the device installation plate on a platform. An outdoor unit of an engine heat pump is disclosed that includes a device and that reduces vibration energy transmitted from the device installation plate to the platform.

  Further, Patent Document 3 discloses an air conditioner in which a vibration-proof rubber is mechanically locked and attached to a lower portion of a side wall of a resin mount body integrally formed with a top wall and a side wall depending from an outer end of the top wall. An outdoor unit mount is disclosed. The mount disclosed in Patent Document 3 is provided with anti-vibration rubber attached to the lower portion of the side wall of the mount body in advance, so that noise can be prevented without increasing the work for installing the outdoor unit. It is said that the vibration rubber is difficult to come off and the noise prevention effect is stably exhibited.

  By the way, in the outdoor unit disclosed in Patent Documents 1 and 2, in addition to a large number of devices such as a device constituting the refrigerant circuit, a driving device and an accessory device for operating the refrigerant circuit being housed, the engine The first and second anti-vibration devices (anti-vibration devices) that prevent vibration from being transmitted from the vibration source to the outside of the outdoor unit are housed in a limited space inside the outdoor unit. Because it is installed, the internal structure is complicated. Moreover, since the installation space of the 1st and 2nd vibration isolator (vibration isolator) is also restrict | limited, they may not be arrange | positioned in the suitable location which can prevent a vibration transmission effectively.

  On the other hand, in the case of the outdoor unit mount disclosed in Patent Document 3, the anti-vibration rubber previously attached to the lower portion of the side wall of the mount main body is the entire portion of the outdoor unit at the portion that contacts the lower end surface of the side wall of the mount main body. Since the load is supported, the support load per unit area increases and the rigidity becomes high. Therefore, the vibration transmission rate of the vibration isolating rubber is increased, and vibration transmission to the veranda where the outdoor unit is installed or the ground cannot be sufficiently prevented, resulting in insufficient noise prevention.

JP 11-264588 A JP 2006-71200 A JP 2002-228202 A

  The present invention has been made in view of the above circumstances, and the outdoor unit protection of an air conditioner that can more reliably prevent vibration transmission from the outdoor unit to the outside without complicating the internal structure of the outdoor unit. Providing a vibration device is a problem to be solved.

  An outdoor unit vibration isolator for an air conditioner according to the present invention that solves the above problems includes a case member having an internal space, an electric motor, and a device that is operated by the electric motor and serves as a vibration generation source. An outdoor unit body of an air conditioner housed in an internal space, a coil spring that suspends and supports the outdoor unit body with respect to the case member, and the case member and the outdoor unit body connected and fixed to the outdoor unit It is characterized by comprising an anti-vibration rubber disposed elastically to allow movement of the main body in the main vibration direction.

  In the outdoor unit vibration isolator for an air conditioner according to the present invention, an outdoor unit body having devices serving as vibration generation sources is supported by being suspended by a coil spring, and is configured by the outdoor unit body and the coil spring. The natural period of the vibration system to be adjusted is adjusted by the anti-vibration rubber. Further, by setting the natural period of the vibration system to be low, the vibration of the outdoor unit main body is set in the vibration isolation region.

  As a result, when the operation of the cooling / heating operation is started by the operation of the devices that are the vibration generation sources such as the electric motor, the compressor, the fan and the like disposed inside the outdoor unit main body, the vibration is generated in the outdoor unit main body itself. Since it is effectively absorbed by the anti-vibration rubber disposed so as to elastically allow the movement of the outdoor unit main body in the main vibration direction and the vertical elastic force of the coil spring, Transmission of vibration in a wide frequency range to the case member) is reliably prevented. In this case, since a coil spring and vibration-proof rubber are used together as a spring system, the occurrence of a surging phenomenon that normally occurs in the vibration transmission characteristic of the coil spring is avoided, and the peak of vibration transmission is lowered to a low level. It is done. Further, by adjusting the natural period of the anti-vibration rubber to be small, it is possible to significantly reduce the vibration transmissibility.

  In addition, the outdoor vibration isolator of the present invention can suppress the resonance magnification by vibration isolating rubber when vibration near the resonance frequency is input to the outdoor unit main body due to human contact or an earthquake. Therefore, it becomes possible to suppress the displacement and impact of the outdoor unit main body. Furthermore, in the outdoor unit vibration isolator of the present invention, since the coil spring and the vibration isolating rubber are provided outside the outdoor unit main body, it is possible to avoid complication of the internal structure of the outdoor unit main body. Therefore, according to the outdoor unit vibration isolator of the present invention, vibration transmission from the outdoor unit to the outside can be more reliably prevented without complicating the internal structure.

  The case member used in the present invention has an internal space in which the outdoor unit main body is housed and arranged, and air exhausted by a fan provided inside the outdoor unit main body on one or more sides of the case member. What has a window is employ | adopted suitably. The outdoor unit body housed and arranged in the internal space of the case member includes an electric motor and a device that is operated by the electric motor and serves as a vibration generation source. That is, the outdoor unit body includes a motor equipped with a motor that uses electricity as a power source and a compressor or a fan that is operated by the motor. In the outdoor unit main body, the main vibration direction changes depending on the arrangement location of the electric motor and devices that are the sources of vibration, or the arrangement direction of the rotating shafts installed in these devices.

  In addition, the coil spring used in the present invention suspends and supports the outdoor unit main body from the case member. As a preferred aspect of the present invention, the coil spring is installed so as to support almost the entire load of the outdoor unit main body. In this way, it is possible to easily adjust the natural period with the vibration-proof rubber and more reliably prevent vibration transmission to the outside of the outdoor unit main body. A conventionally known metal spring can be used as the coil spring, and one or two or more appropriate springs can be used in consideration of the weight, balance, etc. of the outdoor unit body supported by suspension. Used.

  Further, the anti-vibration rubber used in the present invention is connected and fixed to the case member and the outdoor unit body so as to elastically allow the movement of the outdoor unit body in the main vibration direction. The main vibration direction of the outdoor unit main body varies depending on the installation location of the equipment that is housed and arranged in the outdoor unit main body and becomes the source of vibration, the direction of the rotating shaft, etc., so it matches the main vibration direction of each outdoor unit main body. The installation location and direction of the anti-vibration rubber are determined. As a preferred aspect of the present invention, the vibration isolating rubber is disposed so as to have a soft spring in a direction along the main vibration direction of the outdoor unit main body. In this way, the outdoor unit main body can be easily moved in the main vibration direction, so that vibration transmission to the outside of the outdoor unit main body can be more reliably prevented.

  For example, when a block-like rubber elastic body is used as the vibration isolating rubber, the shear deformation direction of the rubber elastic body is a direction having a soft spring, so that the shear deformation direction is along the main vibration direction of the outdoor unit main body. It is arranged as follows. On the other hand, since the compression deformation direction of the block-shaped rubber elastic body is a direction having a hard spring, the compression deformation direction is arranged so as not to follow the main vibration direction of the outdoor unit main body. Therefore, when the main vibration direction of the outdoor unit main body is the vertical direction, the rubber elastic body is disposed on the side surface of the outdoor unit main body, and when the main vibration direction of the outdoor unit main body is the horizontal direction, the rubber elastic body is What is necessary is just to make it arrange | position to the upper surface or lower surface of an outdoor unit main body.

  When vibration of the outdoor unit main body occurs in the three-dimensional direction, a liquid-filled vibration-proof rubber set so as to have a soft spring in the three-dimensional direction can be suitably used as the vibration-proof rubber. . This liquid-filled vibration-proof rubber, for example, employs a container-like member having a thin flexible part that can be elastically deformed at least in part, and a liquid hermetically sealed inside the container-like member. can do. As the liquid sealed inside, for example, a liquid having a low viscosity to a high viscosity such as water, alkylene glycol, polyalkylene glycol, or silicone oil can be used. Among these, silicone oil is preferably used.

  The outdoor unit vibration isolator of the present invention includes an outdoor unit in which a spring system exhibiting a vibration isolation function is connected and fixed to a coil spring that suspends and supports the outdoor unit body from the case member, and the case member and the outdoor unit body. Since it is composed of a combination with vibration-proof rubber that is elastically allowed to move in the main vibration direction of the main unit, it does not make the internal structure of the outdoor unit main unit Vibration transmission to the outside of the machine body can be prevented more reliably. Further, the present invention can be easily applied to an existing outdoor unit by adding a case member, a coil spring, and a vibration isolating rubber.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
Embodiment 1
FIG. 1 is a front view of an outdoor unit vibration isolator of an air conditioner according to Embodiment 1, and FIG. 2 is a cross-sectional view of the outdoor unit vibration isolator, taken along a line II-II in FIG. is there.

  As shown in FIGS. 1 and 2, the outdoor unit vibration isolator of Embodiment 1 includes a case member 1 having an internal space, and an outdoor unit body 2 of an air conditioner that is housed and disposed in the internal space of the case member 1. , 4 coil springs 3,... 3 for supporting the outdoor unit body 2 in a suspended manner with respect to the case member 1, and both side plates 11 b and 11 b of the case member 1 and both side walls 11 b and 11 b of the outdoor unit 2. It is composed of two anti-vibration rubbers 4 and 4 which are fixed so as to elastically allow the outdoor unit body 2 to move in the main vibration direction.

  The case member 1 includes a top plate 11a and a pair of side plates 11b and 11b depending from both ends of the top plate 11a. The case main body 11 is formed of a metal plate in a gate shape, and the pair of side plates 11b and 11b. It is comprised with the baseplate 12 which consists of a metal plate connected with both the lower end parts. The case member 1 is open on both sides in the front-rear direction (Y direction in FIG. 1) and has an internal space defined by the case main body 11 and the bottom plate 12.

  The outdoor unit main body 2 has a housing formed in a rectangular body having a predetermined size, and none of them is shown in the housing, but a refrigerant circuit such as a compressor, an outdoor heat exchanger, an expansion valve, or the like. It contains a lot of equipment that is a source of vibration such as equipment installed above, auxiliary equipment such as outdoor unit fans that assist the function of the outdoor heat exchanger, and motors that operate the compressor and outdoor unit fans. Yes. The outdoor unit body 2 is housed and disposed in the internal space of the case member 1 and is connected to an indoor unit (not shown) via a refrigerant circuit. In the case of the outdoor unit 2, the main vibration direction of the overall vibration generated in the outdoor unit 2 during operation of the devices that generate vibrations is the vertical direction (the Z direction in FIG. 1) and the front and rear. Direction (Y direction in FIG. 1).

  The coil springs 3, ..., 3 are made of metal. Each coil spring 3,... 3 is engaged with brackets 21,... 21 whose upper ends are locked to the top plate 11 a of the case member 1 and whose lower ends are fixed to four locations on the upper surface of the outdoor unit body 2. It has been stopped. Thereby, the outdoor unit main body 2 is suspended and supported with respect to the case member 1 in a state where the total load of the outdoor unit main body 2 is supported by the four coil springs 3. The natural period of the vibration system constituted by the coil springs 3,..., 3 and the outdoor unit body 2 is set to a low value because the weight (usually about 5 to 70 kg) of the outdoor unit body 2 is heavy. .

  Each of the anti-vibration rubbers 4 and 4 includes a rubber elastic body 41 formed in a columnar shape and circular plate-like substrates 42 and 42 fixed to both end surfaces in the axial direction of the rubber elastic body 41. Each of the anti-vibration rubbers 4, 4 is connected and fixed to the lower part of the inner surface of the side plate 11 b of the case member 1 so that the axial direction of the rubber elastic body 41 faces the left-right direction (X direction in FIG. 1). At the same time, the other substrate 42 is connected and fixed to the lower part of the side surface of the outdoor unit body 2, and one board 42 is disposed on each side of the outdoor unit body 2 in the X direction.

  Thereby, each anti-vibration rubber | gum 4 and 4 is arrange | positioned so that it may have a soft spring by shear deformation in the direction along the main vibration direction (Z direction and Y direction of FIG. 1) of the outdoor unit main body 2. The main body 2 is elastically allowed to move in the main vibration direction. By arranging the anti-vibration rubbers 4 and 4 in this way, the vibration of the outdoor unit main body 2 becomes the anti-vibration region. Further, the movement of the outdoor unit main body 2 in the left-right direction (X direction in FIG. 1) is elastically restricted by a hard spring due to the compression deformation of the anti-vibration rubbers 4, 4.

  The outdoor unit vibration isolator of the present embodiment configured as described above is installed by fixing the case member 1 directly to the veranda of the apartment house, on the ground, or via a mount, a concrete block, or the like. And, when the outdoor unit body 2 itself vibrates by starting the operation of the cooling and heating by the operation of the equipment that becomes the vibration generating source such as the electric motor, the compressor, the fan, etc. disposed inside the outdoor unit body 2, The vibration is effectively absorbed by the anti-vibration rubbers 4 and 4 which elastically allow the movement of the outdoor unit body 2 in the main vibration direction and the longitudinal elastic force of the coil springs 3. It is not transmitted from the outdoor unit main body 2 to the outside (case member 1).

  In addition, the outdoor unit vibration isolator of the first embodiment, when a person or an object touches the outdoor unit main body 2 or an earthquake occurs, and vibration near the resonance frequency is input to the outdoor unit main body 2, Since the resonance magnification is suppressed by the anti-vibration rubbers 4 and 4, the displacement (particularly in the X direction in FIG. 1) and impact of the outdoor unit body 2 can be suppressed to a low level. In the outdoor unit vibration isolator of the first embodiment, since the coil springs 3,... 3 and the vibration isolation rubbers 4, 4 are provided outside the outdoor unit main body 2, avoid the complication of the internal structure. Is possible.

  As described above, in the outdoor unit vibration isolator of the first embodiment, the spring system that exhibits the vibration isolation function is supported by the coil springs 3,... 3 that suspends and supports the outdoor unit body 2 from the case member 1. Since the case member 1 and the outdoor unit main body 2 are connected and fixed to each other, the outdoor unit main body 2 is composed of a combination of anti-vibration rubbers 4 and 4 that are elastically allowed to move in the main vibration direction. The vibration transmission from the outdoor unit main body 2 to the outside (case member 1) can be more reliably prevented without complicating the internal structure of the outdoor unit main body 2.

  Further, since the coil springs 3,..., 3 in the first embodiment are installed so as to support almost the entire load of the outdoor unit main body 2, the natural period can be easily adjusted by the anti-vibration rubbers 4, 4. In addition, vibration transmission from the outdoor unit main body 2 to the outside can be more reliably prevented. Furthermore, since the anti-vibration rubbers 4 and 4 are disposed so as to have a soft spring in the direction along the main vibration direction of the outdoor unit body 2, the outdoor unit body 2 can easily move in the main vibration direction. Therefore, vibration transmission to the outside of the outdoor unit body 2 can be more reliably prevented.

[Modification 1]
FIG. 3 is a front view of an outdoor unit vibration isolator of an air conditioner according to Modification 1, and FIG. 4 is a cross-sectional view of the outdoor unit vibration isolator, taken along the line IV-IV in FIG. It is.

  As shown in FIGS. 3 and 4, the outdoor unit vibration isolator according to the first modification includes vibration isolating rubbers 4 a and 4 a corresponding to the outdoor unit main body 2 whose main vibration directions are the Z direction and the X direction in FIG. 3. The anti-vibration rubbers 4a and 4a used are different from those of the first embodiment in that they are different from those of the first embodiment. That is, each of the anti-vibration rubbers 4a and 4a according to the first modification includes a rubber elastic body 41a formed in a columnar shape, and an L-shaped substrate 42a having an L-shaped cross section fixed to both end surfaces in the axial direction of the rubber elastic body 41a. 42a.

  Each of the anti-vibration rubbers 4a and 4a is arranged so that one of the L-shaped substrates 42a is located below the inner surface of the side plate 11b of the case member 1 so that the axial direction of the rubber elastic body 41a faces the front-rear direction (the Y direction in FIG. The other L-shaped substrate 42a is connected and fixed to the lower portion of the side surface of the outdoor unit body 2 by screwing, and both sides of the outdoor unit body 2 in the left-right direction (X direction in FIG. 3). One by one.

  Thereby, each anti-vibration rubber 4a, 4a is arrange | positioned so that it may have a soft spring by shear deformation in the direction along the main vibration direction (Z direction and X direction of FIG. 3) of the outdoor unit main body 2. The main body 2 is elastically allowed to move in the main vibration direction. By arranging the anti-vibration rubbers 4a and 4a in this way, the vibration of the outdoor unit main body 2 becomes the anti-vibration region. Further, the movement of the outdoor unit main body 2 in the front-rear direction (Y direction in FIG. 3) is elastically restricted by a hard spring due to compression deformation of each of the anti-vibration rubbers 4a and 4a.

  The outdoor unit vibration isolator of Modification 1 configured as described above is from the outdoor unit main body 2 to the outside (case member 1) in the Z direction and X direction of FIG. 3 which are the main vibration directions of the outdoor unit main body 2. In addition, the same operation and effect as those of the first embodiment can be obtained.

[Embodiment 2]
FIG. 5 is a front view of an outdoor unit vibration isolator for an air conditioner according to Embodiment 2, and FIG. 6 is a cross-sectional view of the outdoor unit vibration isolator, taken along the line VI-VI in FIG. is there.

  As shown in FIGS. 5 and 6, the outdoor unit vibration isolator according to the first embodiment has anti-vibration rubbers 4, 4 corresponding to the outdoor unit main body 2 whose main vibration directions are the X direction and the Y direction in FIG. 5. It differs from that of the first embodiment in that it is arranged. Further, the vibration isolating rubbers 4 and 4 used are the same as those in the first embodiment, but the locations of the vibration isolating rubbers 4 and 4 are different from those in the first embodiment.

  That is, the anti-vibration rubbers 4 and 4 of the second embodiment are such that one substrate 42 is on the upper surface of the bottom plate 12 of the case member 1 so that the axial direction of the rubber elastic body 41 faces the vertical direction (Z direction in FIG. 5). The other substrate 42 is connected and fixed to a predetermined position on the bottom surface of the outdoor unit main body 2 and is disposed at two positions on the bottom (lower end) side of the outdoor unit main body 2 at a distance from each other. ing.

  Thereby, each anti-vibration rubber | gum 4 and 4 is arrange | positioned so that it may have a soft spring by a shear deformation in the direction along the main vibration direction (X direction and Y direction of FIG. 5) of the outdoor unit main body 2. The main body 2 is elastically allowed to move in the main vibration direction. By arranging the anti-vibration rubbers 4 and 4 in this way, the vibration of the outdoor unit main body 2 becomes the anti-vibration region. Further, the movement of the outdoor unit main body 2 in the vertical direction (Z direction in FIG. 5) is elastically restricted by a hard spring due to compression deformation of each of the anti-vibration rubbers 4 and 4.

  The outdoor unit vibration isolator of Embodiment 2 configured as described above is from the outdoor unit main body 2 to the outside (case member 1) in the X direction and the Y direction of FIG. 5 which are the main vibration directions of the outdoor unit main body 2. In addition, the same operation and effect as those of the first embodiment can be obtained.

[Modification 2]
FIG. 7 is a front view of an outdoor unit vibration isolator of an air conditioner according to Modification 2, and FIG. 8 is a cross-sectional view of the outdoor unit vibration isolator, and is a cross-sectional side view taken along line VIII-VIII in FIG. It is.

  As shown in FIGS. 7 and 8, the outdoor unit vibration isolator according to the second modification includes vibration isolating rubbers 4 and 4 corresponding to the outdoor unit main body 2 whose main vibration directions are the X direction and the Y direction in FIG. Although it is the same as that of the second embodiment in that it is arranged, the arrangement location of the anti-vibration rubbers 4 and 4 is different from that of the second embodiment. That is, the anti-vibration rubbers 4 and 4 of the modified example 2 are such that one substrate 42 is the bottom surface of the top plate 11a of the case member 1 so that the axial direction of the rubber elastic body 41 faces the vertical direction (Z direction in FIG. 7). The other substrate 42 is connected and fixed to a bracket 22 fixed to a predetermined position on the ceiling surface of the outdoor unit body 2, and is connected to the ceiling (upper end) side of the outdoor unit body 2. Two anti-vibration rubbers 4 and 4 are disposed at a distance.

  Thereby, each anti-vibration rubber | gum 4 and 4 has a soft spring by shear deformation in the direction along the main vibration direction (X direction and Y direction of FIG. 7) of the outdoor unit main body 2 similarly to the case of Embodiment 2. The outdoor unit body 2 is elastically allowed to move in the main vibration direction. Further, the movement of the outdoor unit main body 2 in the vertical direction (Z direction in FIG. 7) is elastically restricted by a hard spring due to the compression deformation of each of the anti-vibration rubbers 4 and 4.

  The outdoor unit vibration isolator of Modification 2 configured as described above is from the outdoor unit main body 2 to the outside (case member 1) in the X direction and the Y direction in FIG. 7 which are the main vibration directions of the outdoor unit main body 2. Vibration transmission can be more reliably prevented, and operations and effects similar to those of the second embodiment can be achieved.

[Embodiment 3]
FIG. 9 is a front view of an outdoor unit vibration isolator for an air conditioner according to a third embodiment, and FIG. 10 is a cross-sectional view of the outdoor unit vibration isolator of FIG. FIG. 11 is a cross-sectional view showing an attached state of the liquid-filled vibration-proof rubber used in the outdoor unit vibration-proof device.

  As shown in FIGS. 9 to 11, the outdoor unit vibration isolator of Embodiment 3 corresponds to the outdoor unit body 2 in which the main vibration direction is the three-dimensional direction of the X direction, the Y direction, and the Z direction in FIG. 9. However, it differs from that of the first embodiment in that liquid-filled vibration-proof rubbers 5 and 5 set so as to have soft springs in the three-dimensional direction are used as vibration-proof rubbers.

  That is, as shown in FIG. 11, each liquid-filled vibration-proof rubber 5, 5 includes a container member 51 formed in a bottomed cylindrical shape by a thin rubber that can be elastically deformed, and an opening in a peripheral wall portion of the container member 51. A cylindrical holder portion 52 that is externally fitted and held on the side end portion, a lid member 53 that is fitted to the outer periphery of the holder portion 52 and covers the opening of the container member 51, and a liquid sealed inside the container member 51 (Silicon oil in this embodiment) 54.

  The bottom part of the container member 51 is formed so that its central part has a small diameter and slightly protrudes outward, and a cylindrical stirring part that protrudes inward is formed in the central part of the inner surface of the protruding part. 55 is provided. As a result, a flexible portion 51a that can be easily elastically deformed is formed at a portion between the peripheral wall portion of the container member 51 fitted and held in the holder portion 52 and the stirring portion 55 provided on the bottom portion. . In addition, the stirring portion 55 is fitted and held with the head of the connecting bolt 56 embedded from the outside.

  In each of the liquid-filled vibration-proof rubbers 5 and 5, the lid member 53 is fixed to the lower portion of the inner surface of the side plate 11 b of the case member 1, and the screw portion at the tip of the connecting bolt 56 is below the housing side wall 20 of the outdoor unit body 2. In this section, a pair of flat washers 57, 57, a pair of spring washers 58, 58 and a pair of nuts 59, 59 are connected and fixed in a state of being tightened from both the inside and outside of the side wall of the housing 20. In this way, one liquid-filled vibration isolating rubber 5 and 5 is disposed on each side of the outdoor unit body 2 in the left-right direction (X direction in FIG. 9). 5 and 5 are arranged so as to have soft springs based on the flow action of the liquid 54 in the three-dimensional directions of the X, Y, and Z directions in FIG.

  Since the outdoor unit vibration isolator of Embodiment 3 configured as described above uses the liquid-filled vibration isolation rubbers 5 and 5 set so as to have a soft spring in the three-dimensional direction, the outdoor unit body 9, the transmission of vibration from the outdoor unit main body 2 to the outside (case member 1) can be more reliably prevented in the three-dimensional directions of X, Y, and Z in FIG. The same operations and effects as those of the first embodiment are obtained.

It is a front view of the outdoor unit vibration isolator of the air conditioner which concerns on Embodiment 1 of this invention. It is sectional drawing of the outdoor unit vibration isolator of the air conditioner which concerns on Embodiment 1 of this invention, Comprising: It is the II-II arrow sectional drawing of FIG. It is a front view of the outdoor unit vibration isolator of the air conditioner which concerns on the modification 1 of this invention. It is sectional drawing of the outdoor unit vibration isolator of the air conditioner which concerns on the modification 1 of this invention, Comprising: It is the IV-IV arrow directional cross-sectional view of FIG. It is a front view of the outdoor unit vibration isolator of the air conditioner which concerns on Embodiment 2 of this invention. It is sectional drawing of the outdoor unit vibration isolator of the air conditioner concerning Embodiment 2 of this invention, Comprising: It is the VI-VI line arrow directional cross-sectional view of FIG. It is a front view of the outdoor unit vibration isolator of the air conditioner which concerns on the modification 2 of this invention. It is sectional drawing of the outdoor unit vibration isolator of the air conditioner which concerns on the modification 2 of this invention, Comprising: It is a VIII-VIII arrow directional cross-sectional view of FIG. It is a front view of the outdoor unit vibration isolator of the air conditioner which concerns on Embodiment 3 of this invention. It is sectional drawing of the outdoor unit vibration isolator of the air conditioner which concerns on Embodiment 3 of this invention, Comprising: It is XX arrow sectional drawing of FIG. It is sectional drawing which shows the attachment state of the liquid enclosure type anti-vibration rubber used in the outdoor unit vibration isolator of the air conditioner concerning Embodiment 3 of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Case member 11 ... Case main-body part 11a ... Top plate 11b ... Side plate 12 ... Bottom plate 2 ... Outdoor unit main body 20 ... Housing 21, 22 ... Bracket 3 ... Coil spring 4, 4a ... Anti-vibration rubber 41, 41a ... Rubber elastic body DESCRIPTION OF SYMBOLS 42 ... Board | substrate 42a ... L-shaped board | substrate 5 ... Liquid enclosure type vibration-proof rubber 51 ... Container member 51a ... Flexible part 52 ... Holder part 53 ... Lid member 54 ... Liquid 55 ... Stirring part 56 ... Connection bolt 57 ... Flat washer 58 ... Spring washer 59 ... Nut

Claims (4)

A case member having an internal space;
An outdoor unit body of an air conditioner that includes an electric motor and a device that is operated by the electric motor and serves as a vibration generation source, and is housed in the internal space of the case member;
A coil spring that suspends and supports the outdoor unit body with respect to the case member;
An anti-vibration rubber which is connected and fixed to the case member and the outdoor unit main body and is elastically allowed to move in the main vibration direction of the outdoor unit main body;
An outdoor unit vibration isolator for an air conditioner characterized by comprising:   The outdoor unit vibration isolator for an air conditioner according to claim 1, wherein the coil spring is installed so as to support almost all the load of the outdoor unit main body.   The outdoor vibration isolator for an air conditioner according to claim 1 or 2, wherein the anti-vibration rubber is disposed so as to have a soft spring in a direction along a main vibration direction of the outdoor unit main body. apparatus.   The outdoor vibration isolator for an air conditioner according to claim 3, wherein the vibration isolator is a liquid-filled anti-vibration rubber set so as to have a soft spring in a three-dimensional direction.