KR20180090676A - Supporting Apparatus - Google Patents

Abstract

According to an embodiment of the present invention, a supporting apparatus to support an accumulator with respect to a compressor comprises: a bracket unit fixated to an external side of the compressor; a rubber unit absorbing vibration by surrounding a circumference of the accumulator or a connection pipe connected to the accumulator, wherein a portion of an inner circumferential portion adheres to the accumulator or the connection pipe, and another portion of the inner circumferential portion is spaced from the accumulator or the connection pipe; and a strap unit surrounding the rubber unit, and coupled to the bracket unit.

Description

[0001]

The present invention relates to a support device for supporting an accumulator with respect to a compressor.

Generally, a compressor is a mechanical device that receives power from an electric motor such as an electric motor or a turbine and compresses air, refrigerant or various other operating gases to increase the pressure. The compressor is used for a household appliance such as a refrigerator and an air conditioner, It is widely used throughout.

These compressors are broadly classified into reciprocating compressors, rotary compressors, and scroll compressors.

The reciprocating compressor may be a compressor that compresses the refrigerant while linearly reciprocating the piston in the cylinder so as to form a compression space in which a working gas is sucked and discharged between the piston and the cylinder.

In addition, the rotary compressor may be a compressor in which a compression space in which an operating gas is sucked and discharged between a roller and a cylinder, which is eccentrically rotated, is formed, and a roller is eccentrically rotated along the cylinder inner wall to compress the refrigerant.

In addition, the scroll type compressor has a compression space formed between an orbiting scroll and a fixed scroll in which a working gas is sucked and discharged, and the orbiting scroll rotates along the fixed scroll to compress the refrigerant. .

Meanwhile, the compressors described above are connected to an accumulator in which a refrigerant is stored to receive refrigerant from the outside. And the compressor is provided with a separate support device for supporting the accumulator.

The structure of a support device for supporting a conventional accumulator is disclosed in Korean Prior Publication No. 10-2004-0097843. The prior art discloses a support device which is fixed to the outer surface of the compressor and supports the periphery of the accumulator.

However, since the accumulator has a structure connected to the compressor by the support device, the vibration generated in the compressor can be transmitted to the accumulator through the support device, resulting in a large noise.

An object of the present invention is to provide a supporting device capable of minimizing the transmission of vibrations generated in the compressor to the accumulator while fixing the accumulator to the compressor.

Another object of the present invention is to provide a supporting device capable of restraining radial vibration of the compressor.

It is still another object of the present invention to provide a supporting device capable of eliminating the tangential vibration of the compressor.

It is still another object of the present invention to provide a support device in which the rubber portion of the support device can be prevented from being rotated by vibration.

It is still another object of the present invention to provide a support device in which the rubber portion of the support device can be prevented from moving in the downward direction by the vibration.

It is still another object of the present invention to provide a supporting device capable of improving a coupling force between a supporting device and an accumulator.

The support device according to the embodiment of the present invention absorbs vibration by surrounding the bracket portion fixed to the outside of the compressor and the connection pipe connected to the accumulator or the accumulator so that a part of the inner circumferential surface is in close contact with the accumulator or the connection pipe And a strap portion that surrounds the rubber portion and is coupled to the bracket portion. The strap portion may include a rubber portion that is spaced apart from the accumulator or the connection pipe. Accordingly, it is possible to minimize the transmission of vibration generated in the compressor to the accumulator while fixing the accumulator to the compressor.

According to the present invention, the rubber portion may include a contact portion protruding from the inner circumferential surface of the rubber portion and closely attached to the accumulator or the connection pipe. At this time, a connection line connecting the vertical center of the compressor and the vertical center of the accumulator passes through the tight contact portion, so that the vibration in the radial direction with respect to the compressor can be restrained.

According to the present invention, the rubber portion may form a part of the inner circumferential surface of the rubber portion and may include a spacing portion that is spaced apart from the accumulator or the connection pipe. At this time, a line perpendicular to the connecting line passing through the center of the accumulator passes through the separating portion, so that the restraint of vibration in the tangential direction with respect to the compressor can be eliminated.

According to the present invention, an outer circumferential surface of the connecting pipe is provided with a coupling protrusion for engaging with the rubber portion, and an inner circumferential surface of the rubber portion is provided with a coupling groove to be engaged with the coupling protrusion, Can be prevented.

According to the present invention, the upper end of the accumulator is formed to have a small inner diameter so that the connection pipe is engaged, and the rubber portion can be placed on the upper end of the accumulator. Therefore, the support device can be prevented from moving in the downward direction by the vibration.

According to the present invention, the rubber portion may further include a latch portion formed on the outer circumferential surface of the rubber portion to latch and fix one side of the bracket portion in a hook manner, so that the coupling force between the support device and the accumulator can be improved.

According to the present invention, since the accumulator is fixed to the compressor and the vibration generated in the compressor is transmitted to the accumulator, it is possible to minimize noise due to transmission of vibration from the compressor.

According to the present invention, vibration in the radial direction with respect to the compressor can be restrained, so that the vibration transmitted from the compressor to the accumulator can be effectively reduced.

According to the present invention, since the restraint of the tangential vibration to the compressor can be eliminated, the vibration transmitted from the compressor to the accumulator can be effectively reduced.

According to the present invention, since the rubber portion of the support device can be prevented from being rotated by the vibration, there is an effect that the support device can stably support the accumulator.

According to the present invention, since the rubber portion of the support device is prevented from moving in the downward direction by the vibration, there is an effect that the support device can stably support the accumulator.

According to the present invention, since the coupling force between the support device and the accumulator can be improved, there is an effect that the support device can be prevented from being detached from the accumulator.

1 is a view showing a configuration of a compressor according to a first embodiment of the present invention.
2 is a view showing a state where an accumulator is coupled to the compressor.
3 is a perspective view showing a state where the accumulator and the supporting device are coupled.
4 is an exploded perspective view of the support device.
Figure 5 is a top plan view of the support device of Figure 3;
6 is a view showing the shape of the rubber portion of the supporting device.
7 is a view showing another shape of the rubber portion.
8 is a view showing another shape of the rubber portion.
9 is a view showing another shape of the rubber portion.
10 is a view showing another shape of the rubber portion.
11 is a view showing another shape of the rubber portion.
12 is a longitudinal sectional view showing a state in which a rubber portion and a connection pipe of a supporting device according to a second embodiment of the present invention are engaged.
13 is a longitudinal sectional view showing a state in which the rubber portion and the connection pipe of the supporting device according to the third embodiment of the present invention are coupled.
14 is a perspective view showing a state in which a supporting device and an accumulator are combined according to a fourth embodiment of the present invention;
15 is an exploded perspective view of the support device of Fig.
16 is a sectional view taken along the line III-III 'in FIG.
17 is a graph showing the vibration or noise reduction effect of the accumulator to which the support device of the present invention is applied.

It is to be understood that the present invention is not limited to the disclosed embodiments, but may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, It is provided to inform.

The structure described below for a rotary compressor is described as an example of the compressor described below. However, the support device of the present invention is not limited to a rotary compressor, but can be applied to various compressors such as reciprocating compressors and scroll compressors.

1 is a view showing a configuration of a compressor according to a first embodiment of the present invention.

Referring to FIG. 1, the compressor 1 according to the first embodiment of the present invention may be a rotary compressor.

Specifically, the rotary compressor includes a case 1a forming an inner space, a top cover 1b coupled to the upper side of the case 1a, and a bottom cover 1c coupled to the lower side of the case 1a. can do.

A motor is provided inside the case 1a. The motor may include a stator 2 for generating a magnetic force by an applied power source and a compression mechanism 3 for compressing the refrigerant by induced electromotive force generated through interaction with the stator 2 .

The compression mechanism 3 may include a rotor 3a provided inside the stator 2 to rotate. The stator 2 and the rotor 3a can be understood as components of a compressor motor. The compression mechanism 3 may further include a rotation shaft 4 coupled to the rotor 3a and rotated according to rotation of the rotor 3a.

The compressor 1 may further include a roller 5 eccentrically coupled to the lower portion of the rotary shaft 4 and rotated with a constant eccentric locus according to the rotation of the rotary shaft 4.

The compressor (1) may further include a cylinder (6) in which the roller (5) is received.

The cylinder 6 may form a suction space for introducing the refrigerant and a compression space for compressing the refrigerant sucked in the suction space. The suction portion of the cylinder 6 is connected to a suction pipe 1e to be described later and can receive refrigerant from the outside.

The compressor 1 may further include a vane (not shown) for separating the suction chamber and the compression chamber while reciprocating in a slot formed in the cylinder 6 in accordance with the rotation of the roller 5 .

In addition, the compressor 1 may be provided with a suction port 1d for sucking refrigerant from an external accumulator (11 of FIG. 2) into the compression space of the cylinder 6. The suction port 1d may be formed by cutting a part of the outer circumferential surface of the case 1a.

A guide pipe 1e having a predetermined length may be formed around the suction port 1d. The guide pipe 1e may guide the suction pipe 12 connected to the accumulator 11 to pass through the suction port 1d. That is, the suction pipe 12 may be inserted through the guide pipe 1e.

The accumulator 11 may separate the gaseous refrigerant from the refrigerant and supply the gaseous refrigerant separated into the compression space of the cylinder 6. The accumulator 11 may be supported on the outer surface of the case 1a by a support device 20 (see FIG. 2), which will be described later.

The compressor (1) may further include a discharge pipe (1e) for discharging the compressed refrigerant to the outside in a compression space of the cylinder (6).

The discharge tube 1e may be formed on the top surface of the top cover 1b. For example, the discharge pipe 1e may be formed to have a predetermined length, and may penetrate a central point of the upper surface of the top cover 1b.

The compressor 1 is provided with a discharge portion (not shown) for discharging compressed refrigerant in the compression space of the cylinder 6 and a muffler 9 provided on the discharge portion for reducing the discharge noise of the refrigerant .

The discharge portion is a passage through which the refrigerant compressed in the compression chamber is discharged when the pressure in the compression chamber of the cylinder (6) becomes equal to or higher than the discharge pressure. To this end, a discharge valve for controlling discharge of the compressed refrigerant may be provided at one side of the discharge portion.

The discharge valve may be disposed on the main bearing 7 located on the upper side of the cylinder 6. Accordingly, the refrigerant discharged through the discharge portion can be introduced into the muffler 9 positioned above the main bearing 7. [

The compressor 1 may further include a main bearing 7 and a sub bearing 8 provided at upper and lower portions of the cylinder 6 to support the cylinder 6. The main bearing 7 and the sub bearing 8 are provided in a substantially disc shape so as to support the upper side and the lower side of the cylinder 6, respectively.

The main bearing 7 is provided on the upper side of the cylinder 6 so that the compression force of the refrigerant generated in the cylinder 6 or the force generated in the compressor motor 2, It can perform the function of dispersing.

The sub bearing 8 is provided on the lower side of the cylinder 6 so that the compressing force of the refrigerant generated in the cylinder 6 or the force generated in the compressor motor 2, ) Side of the light guide plate.

The operation according to the above configuration will be briefly described. When the rotary shaft 4 is rotated, the roller 5 rotates and revolves along the inner circumferential surface of the cylinder 6 while drawing a constant eccentric locus. The refrigerant stored in the accumulator 11 flows into the compression chamber of the cylinder 6 through the suction port 1d and the refrigerant is compressed in the compression chamber during the rotation of the roller 5.

Then, when the compression chamber pressure becomes equal to or higher than the discharge pressure, the discharge valve provided at one side of the discharge portion is opened, and the compressed refrigerant is discharged from the discharge portion through the opened discharge valve. Then, the discharged compressed refrigerant is discharged to the refrigeration cycle apparatus (not shown) through the discharge pipe 1e and then sucked into the compression chamber of the cylinder 6 through the suction port 1d do.

Meanwhile, during the operation of the compressor 1, the vibration generated in the compressor motor can be mostly transferred to the accumulator 11 through the support device 20. [ However, in the present invention, there is provided a supporting device 20 which can minimize the transmission of vibration generated in the compressor motor to the accumulator 11. [ Therefore, noise due to vibration generated in the compressor can be effectively reduced.

Hereinafter, a supporting apparatus according to a first embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 2 is a view showing a state where an accumulator is coupled to the compressor, FIG. 3 is a perspective view showing a state where the accumulator and a supporting device are combined, and FIG. 4 is an exploded perspective view of the supporting device.

2 to 4, the compressor 1 may be combined with an accumulator unit 10 including the accumulator 11. The accumulator unit 10 may be supported by a supporting device 20 installed on the outer surface of the compressor 1. [

The support device 20 may be installed so as to surround the periphery of the accumulator 11 or may surround the periphery of the connection pipe 13 connected to the accumulator 11.

Hereinafter, it is assumed that the support device 20 surrounds the periphery of the connection pipe 13 connected to the accumulator 11. However, the present invention is not limited thereto, and the support device 20 may be installed so as to directly surround the circumference of the accumulator 11.

Specifically, the accumulator unit 10 includes an accumulator 11 in which refrigerant is received, a suction pipe 12 extending from one side of the accumulator 11, and a connecting pipe (not shown) extending from the other side of the accumulator 11 13).

The accumulator (11) forms a space in which refrigerant is stored. The accumulator 11 may have a cylindrical shape elongated in the vertical direction. The accumulator 11 may be spaced from the case 1a of the compressor 1 by a predetermined distance and may be disposed in parallel with the case 1a.

In addition, the suction pipe 12 can connect the accumulator 11 and the compressor 1. For this purpose, the suction pipe 12 is bent at the lower end of the accumulator 11 and inserted into the suction pipe 1e of the compressor 1. At this time, the inner diameter of the suction pipe 12 may be smaller than the inner diameter of the accumulator 11. Therefore, the refrigerant stored in the accumulator 11 can be quickly supplied to the compressor 1 side.

Further, the connection pipe 13 forms a flow path through which the refrigerant flows from the refrigeration cycle device to the accumulator 11. To this end, the connection pipe 13 may extend vertically at the upper end of the accumulator 11. [ At this time, the inner diameter of the connection pipe 13 may be smaller than the inner diameter of the accumulator 11. Therefore, the refrigerant provided from the refrigerant cycle device can be quickly supplied to the accumulator 11 side.

The support device 20 of the present invention can be coupled to any point of the connection pipe 13.

Specifically, the support device 20 may include a rubber portion 21, a strap portion 22, and a bracket portion 23.

The rubber part (21) is a member fitted to the outer circumferential surface of the connection pipe (13). The rubber portion 21 may include a rubber body 211 having a hollow cylindrical shape. The rubber body 211 has a hollow 211a having a specific shape and may be formed of an elastically deformable material. The rubber body 21 is tightly coupled to the connection pipe 13 to minimize the transmission of vibration generated in the compressor motor to the accumulator unit 10 side.

The rubber portion 21 is implemented in various shapes. However, when the rubber part 21 is fitted into the connection pipe 13, the entire inner circumferential surface of the rubber part 21 is not in contact with the entire outer circumferential surface of the connection pipe 13. In other words, a part of the inner circumferential surface of the rubber part 21 is in close contact with the outer circumferential surface of the connecting pipe 13, and another part of the inner circumferential surface of the rubber part 21 is separated from the outer circumferential surface of the connecting pipe 13.

A part of the inner circumferential surface of the rubber portion 21 is in close contact with the outer circumferential surface of the accumulator 11 and the other portion of the inner circumferential surface of the rubber portion 21 is in contact with the outer circumferential surface of the accumulator 11, Is spaced apart from the outer peripheral surface of the accumulator (11).

A detailed description of the shape of the rubber portion will be described later.

The rubber part 21 can be fitted into the connection pipe 13 in such a manner that the rubber part 21 is pushed downward from the upper side of the connection pipe 13. Alternatively, the rubber part 21 may be inserted at one side of the rubber part body 211 and elastically inserted from the side of the connecting pipe 13. [ That is, the rubber part 21 can be easily fitted at the side of the connection pipe 13 by cutting a part of the rim.

The strap portion 22 is a member that surrounds the rubber portion 21 and is coupled to the bracket portion 23 to be described later. The strap portion 22 may be formed in a "U" shape so as to surround a part of the outer circumferential surface of the rubber portion 21. [ For example, the strap portion 22 may wrap the opposite side of the rubber portion 21 from the side facing the case 1a.

Specifically, the strap portion 22 includes a strap body 221 that surrounds a portion of the outer circumferential surface of the rubber portion 21, and a strap body 221 that extends from both ends of the strap body 221 in the direction of the case 1a And may include a pair of extensions 222.

The strap body 221 may be tightly coupled to a part of the outer circumferential surface of the rubber part 21. [ For this purpose, the strap body 221 may have a curvature corresponding to the outer diameter of the rubber portion 21. The strap body 221 may have a predetermined height or thickness to hold the rubber portion 21 firmly.

Although not shown, a guide groove (not shown) for allowing the strap body 221 to closely contact the outer circumferential surface of the rubber body 211 may be formed on the rubber body 211.

The guide groove may be recessed at a predetermined depth and a predetermined length from the outer circumferential surface of the rubber member body 211. The guide groove may be recessed in a size and shape corresponding to the strap body 221. The strap body 221 may be inserted into the rubber body 211 along the guide groove. Therefore, the strap portion 22 can be more closely attached to the rubber portion 21 and can be firmly coupled.

The extension 222 is a member for fastening the strap body 221 to the bracket 23. The extension part 222 may extend a predetermined length from both ends of the strap body 221 toward the case 1a. At this time, the pair of extensions 222 may be formed parallel to each other. However, in order to improve the fastening force with the bracket part 23, one extension part 222 of the pair of extension parts 222 may be formed to have different lengths from the other extension part 222 .

The pair of extension portions 222 may be formed with a fastening portion 223 for fastening the strap portion 22 to the bracket portion 23.

The fastening portion 223 may be extended at an end of the extension portion 222. The fastening portion 223 may be bent and extended in an inward direction or an outward direction of the strap portion 22. The fastening part 223 may be fastened to the bracket part 23 in a hook manner.

The bracket portion 23 is a member provided on the outer surface of the case 1a to support the accumulator unit 10. [ One side of the bracket part 23 is fixed to the outer side of the case 1a and the other side of the bracket part 23 can support the connection pipe 13 of the accumulator unit 10.

Specifically, the bracket portion 23 includes a bracket body 231 surrounding a portion of the outer circumferential surface of the rubber portion 21, and a bracket 231 extending from both ends of the bracket portion body 231 in the direction of the case 1a And may include an extension 232 of the pair.

The bracket body 231 may be in close contact with a part of the outer circumferential surface of the rubber part 21. For this purpose, the bracket body 231 may have a curvature corresponding to the outer diameter of the rubber portion 21. The bracket body 231 may wrap a portion of the strap portion 22 not covering the rubber portion 21, that is, a surface of the rubber portion 21 facing the case 1a. That is, the periphery of the rubber portion 21 can be mostly wrapped by the strap body 221 and the bracket body 231.

In addition, the extension portion 232 can separate the accumulator unit 10 from the case 1a by a predetermined distance. Preferably, the accumulator 11 is spaced apart from the compressor 1 by a predetermined distance in order to smoothly supply the refrigerant to the compressor 1. To this end, the extension 232 may extend a predetermined length from both ends of the bracket body 231 toward the case 1a. That is, the distance between the accumulator unit 10 and the case 1a may be determined according to the extended length of the extended portion 232. [

Meanwhile, the pair of extensions 232 may not be formed to be parallel to each other. That is, the distance between the portions of the pair of extension portions 232 close to the case 1a side may be larger than the distance between the portions near the rubber portion 21 side. In other words, the distance between the pair of extensions 232 can be increased as they approach the case 1a.

Generally, the outer diameter of the case 1a is formed to be relatively larger than the outer diameter of the rubber portion 21. [ Therefore, the accumulator unit 10 can be more stably supported by forming the pair of extending portions 232 so as to be spaced apart from each other as they approach the case 1a.

Also, the extension part 232 may be formed with a coupling groove 232a through which the strap part 22 is coupled.

The fastening groove 232a is a portion through which the fastening portion 223 of the strap portion 22 is inserted. For this, the fastening groove 232a may be formed by cutting a part of the extended portion 232. For example, the coupling groove 232a may have a rectangular shape, but is not limited thereto. The shape of the fastening groove 223 can be variously shaped so that the fastening portion 223 can be fastened in a hook manner.

The coupling groove 232a may be formed in the pair of extension portions 232, respectively. The coupling grooves 232a may be formed to face each other at the pair of extending portions 232. [ Alternatively, the coupling grooves 232a may be formed at different positions in the pair of extension portions 232. [ For example, when the pair of extension portions 222 of the strap portion 22 have different lengths, the engagement groove 232a may be formed in a shape corresponding to the length of the extension portion 222 of the strap portion 22 Respectively. According to this structure, since the both end portions of the strap portion 22 are fastened to different positions of the bracket portion 23, the fastening force can be further improved.

The extension part 232 of the bracket part 23 may be formed with a fixing part 233 for fixing the bracket part 23 to the case 1a.

The fixing portion 233 may be bent at an end of the extension portion 232 and fixed to the outer surface of the case 1a. The fixing portion 233 may extend in the outer direction of the bracket portion 23. The fixing portion 233 may be fixed to the outer surface of the case 1a by a welding method. Alternatively, the fixing portion 233 may be fixed to the outer surface of the case 1a by fastening a screw. In addition, there are various ways in which the fixing portion 233 is fixed to the case 1a.

Hereinafter, the shape of the rubber portion 21 will be described in detail with reference to the drawings.

FIG. 5 is a plan view of the supporting device of FIG. 3 viewed from above, and FIG. 6 is a view showing the shape of the rubber portion.

5 and 6, the rubber portion 21 is disposed so as to surround the circumference of the connection pipe 13, and absorbs the vibration generated in the compressor 1. At this time, a part of the inner circumferential surface of the rubber part 21 may be in close contact with the connection pipe 13, and another part of the inner circumferential surface may be separated from the connection pipe 13.

Specifically, the rubber portion 21 may include a cylindrical body 211 having a hollow interior. The rubber part 21 may further include a tight fitting part 212 protruding from the inner circumferential surface of the rubber part body 211 and closely contacting the connection pipe 13. [

The tight contact portion 212 is a portion which is brought into close contact with the connection pipe 13 when the rubber portion 21 is coupled to the connection pipe 13. The contact portion 212 may protrude in the center direction from the inner peripheral surface of the rubber body 211. The outer surface of the protruding portion may have a rounded shape. That is, the tight fitting portion 212 according to the present embodiment can be formed to protrude in a convex shape from the inner peripheral surface of the rubber body 211.

In addition, the tight contact portions 212 may be formed as a pair. The pair of tight contact portions 212 may be formed on the left and right sides of the rubber body 211, respectively, with reference to FIG. The pair of tight fitting portions 212 may be arranged to face each other.

The rubber part 21 may further include a spacing part 213 forming a part of the inner circumferential surface of the rubber part body 211 and spaced apart from the connection pipe 13.

The spacing part 213 is a part spaced from the connection pipe 13 when the rubber part 21 is coupled to the connection pipe 13. That is, when the rubber part 21 is coupled to the connection pipe 13, the spacing part 213 can form a spacing space 213a between the separation part 213 and the connection pipe 13 have.

In addition, the spacers 213 may be formed as a pair. The pair of spacers 213 may be formed on the upper side and the lower side of the rubber body 211, respectively, with reference to FIG. The pair of spacers 213 may be disposed to face each other.

Meanwhile, when the compressor 1 is driven, vibrations generated in the compressor motor are transmitted to the accumulator unit 10 through the support device 20. At this time, the rubber portion 21 may generate internal stress and tangential stress due to vibration. The internal stress may refer to a radial direction force for the compressor, and the tangential stress may refer to a tangential direction force to the compressor. Here, the force in the tangential direction is larger than the force in the radial direction. Therefore, in the present invention, the vibration transmitted to the accumulator unit 10 from the compressor 1 side is minimized by restraining the radial force (vibration) and removing the tangential force (vibration) can do.

The connection line A connecting the vertical center O of the compressor 1 and the vertical center O 'of the accumulator 11 may pass through the tight fitting part 212. [ Here, the extending direction of the connecting line A means a direction in which a radial force is transmitted to the compressor 1, and hence it can be called "radial direction". Therefore, since the tight contact portion 212 restrains the radial force with respect to the compressor 1, the vibration transmitted from the compressor 1 to the accumulator unit 10 can be minimized, Can be reduced.

A line B perpendicular to the connecting line A passing through the center of the accumulator 11 can pass through the spacing portion 213. [ Here, the extending direction of the line B means a direction in which a force in the tangential direction with respect to the compressor 1 is transmitted, so that it can be called " tangential direction ". Therefore, since the spacing portion 213 removes the restraint of the force in the tangential direction with respect to the compressor 1, the vibration transmitted from the compressor 1 side to the accumulator unit 10 can be minimized, Noise can be reduced.

Hereinafter, various shapes of the rubber portion will be described in detail with reference to the drawings.

7 is a view showing another shape of the rubber portion.

The present embodiment is the same as the rubber portion shown in Fig. 6 in the other portions, but is characterized in that the shape of the close contact portion is different. Therefore, only the characteristic parts of the present embodiment will be described below, and the same parts as those of the rubber part of Fig. 6 will be used herein.

Referring to FIG. 7, the rubber part 21 is disposed so as to surround the circumference of the connection pipe 13, and absorbs vibration generated in the compressor 1. At this time, a part of the inner circumferential surface of the rubber part 21 may be in close contact with the connection pipe 13, and another part of the inner circumferential surface may be separated from the connection pipe 13.

Specifically, the rubber portion 21 may include a cylindrical body 211 having a hollow interior. The rubber part 21 may further include a tight fitting part 212 protruding from the inner circumferential surface of the rubber part body 211 and closely contacting the connection pipe 13. [

The tight contact portion 212 is a portion which is brought into close contact with the connection pipe 13 when the rubber portion 21 is coupled to the connection pipe 13. The contact portion 212 may protrude in the center direction from the inner peripheral surface of the rubber body 211. At this time, the outer side of the protruding portion may have a concave shape. That is, the tight fitting part 212 according to the present embodiment may protrude outwardly from the inner peripheral surface of the rubber part body 211 in a concave shape.

The outer surface of the tight fitting part 212 may have a curvature corresponding to the outer circumferential surface of the connection pipe 13. Therefore, when the rubber part 21 is coupled to the connection pipe 13, a part of the outer side of the close contact part 212 can be brought into close contact with the outer circumferential surface of the connection pipe 13.

In addition, the tight contact portions 212 may be formed as a pair. The pair of tight contact portions 212 may be formed on the left and right sides of the rubber body 211, respectively, with reference to FIG. The pair of tight fitting portions 212 may be arranged to face each other.

With this structure, the tight fitting portion 212 restrains a radial force with respect to the compressor 1, and the spacing portion 213 removes the restraint of a tangential force with respect to the compressor 1 . Therefore, the vibration transmitted from the compressor 1 side to the accumulator unit 10 can be minimized, so that vibration or noise can be reduced.

8 is a view showing another shape of the rubber portion.

The present embodiment is the same as the rubber portion shown in Fig. 6 in the other portions, but is characterized in that the shape of the close contact portion is different. Therefore, only the characteristic parts of the present embodiment will be described below, and the same parts as those of the rubber part of Fig. 6 will be used herein.

Referring to FIG. 8, the rubber portion 21 is disposed so as to surround the circumference of the connection pipe 13, and absorbs the vibration generated in the compressor 1. At this time, a part of the inner circumferential surface of the rubber part 21 may be in close contact with the connection pipe 13, and another part of the inner circumferential surface may be separated from the connection pipe 13.

Specifically, the rubber portion 21 may include a cylindrical body 211 having a hollow interior. The rubber part 21 may further include a tight fitting part 212 protruding from the inner circumferential surface of the rubber part body 211 and closely contacting the connection pipe 13. [

The tight contact portion 212 is a portion which is brought into close contact with the connection pipe 13 when the rubber portion 21 is coupled to the connection pipe 13. The contact portion 212 may protrude in the center direction from the inner peripheral surface of the rubber body 211. At this time, the outer side of the protruding portion may have a straight shape. That is, the tight fitting part 212 according to the present embodiment may be formed such that the outer side thereof is linearly protruded from the inner peripheral surface of the rubber body 211.

In addition, the tight contact portions 212 may be formed as a pair. The pair of tight contact portions 212 may be formed on the left and right sides of the rubber body 211, respectively, with reference to FIG. The pair of tight fitting portions 212 may be arranged to face each other.

With this structure, the tight fitting portion 212 restrains a radial force with respect to the compressor 1, and the spacing portion 213 removes the restraint of a tangential force with respect to the compressor 1 . Therefore, the vibration transmitted from the compressor 1 side to the accumulator unit 10 can be minimized, so that vibration or noise can be reduced.

9 is a view showing another shape of the rubber portion.

The present embodiment is the same as the rubber portion shown in Fig. 6 in the other portions, except that the positions and the shapes of the contact portion and the spacing portion are different from each other. Therefore, only the characteristic parts of the present embodiment will be described below, and the same parts as those of the rubber part of Fig. 6 will be used herein.

Referring to FIG. 9, the rubber part 21 is disposed so as to surround the circumference of the connection pipe 13, and absorbs vibration generated in the compressor 1. At this time, a part of the inner circumferential surface of the rubber part 21 may be in close contact with the connection pipe 13, and another part of the inner circumferential surface may be separated from the connection pipe 13.

Specifically, the rubber portion 21 may include a cylindrical body 211 having a hollow interior. The rubber part 21 may further include a separation part 213 which forms part of the inner circumferential surface of the rubber part body 211 and is spaced apart from the connection pipe 13.

The spacing part 213 is a part spaced from the connection pipe 13 when the rubber part 21 is coupled to the connection pipe 13. That is, when the rubber part 21 is coupled to the connection pipe 13, the spacing part 213 can form a spacing space 213a between the separation part 213 and the connection pipe 13 have.

The spacers 213 may include a plurality of spacers. For example, a total of four spacers 21 may be formed on the inner peripheral surface of the rubber body 211. The plurality of spacers 213 may be formed on the left, right, upper, and lower sides of the rubber body 211, respectively, with reference to FIG.

That is, the connection line A connecting the vertical center O of the compressor 1 and the vertical center O 'of the accumulator 11 passes through a part of the plurality of spacers 213, A line B perpendicular to the connecting line A may pass through another part of the plurality of spacing parts 213 while passing through the center of the connecting part 11.

The rubber part 21 may further include a tight fitting part 212 protruding from the inner circumferential surface of the rubber part body 211 and closely attached to the connection pipe 13. [

The tight contact portion 212 is a portion which is brought into close contact with the connection pipe 13 when the rubber portion 21 is coupled to the connection pipe 13. The contact portion 212 may protrude in the center direction from the inner peripheral surface of the rubber body 211. At this time, the outer side of the protruding portion may have a rounded shape. That is, the tight fitting portion 212 according to the present embodiment can be formed to protrude in a convex shape from the inner peripheral surface of the rubber body 211.

Further, the tight fitting portion 212 may include a plurality of tight fitting portions. For example, the tight fitting portion 212 may be formed of four, and may be disposed between the plurality of spacing portions 21. That is, the plurality of tight contact portions 212 may be positioned between neighboring spacing portions 21, respectively.

With the above-described structure, the plurality of spacers 213 can eliminate the tangential force restraint on the compressor 1, so that the plurality of spacers 213 can be transmitted from the compressor 1 side to the accumulator unit 10 Vibration can be minimized and vibration or noise can be reduced.

10 is a view showing another shape of the rubber portion.

Referring to FIG. 10, the rubber portion 21 is disposed to surround the circumference of the connection pipe 13, and absorbs vibration generated in the compressor 1. As shown in FIG. At this time, the entire inner circumferential surface of the rubber portion 21 is brought into close contact with the connection pipe 13. A portion of the outer circumferential surface of the rubber portion 21 may be in close contact with the strap portion 22, and another portion of the outer circumferential surface may be spaced apart from the strap portion 22.

Specifically, the rubber portion 21 may include a cylindrical body 211 having a hollow interior. The rubber part 21 may further include a contact part 214 protruding from the outer circumferential surface of the rubber part body 211 and closely attached to the strap part 22. [

The tight contact portion 214 is a portion that is in close contact with the strap portion 22 when the rubber portion 21 is engaged with the connection pipe 13. [ The contact portion 214 may protrude outward from the outer peripheral surface of the rubber body 211. The outer side of the protruding portion may have a rounded shape. That is, the tight fitting part 214 according to the present embodiment may be formed as a fan shape on the outer circumferential surface of the rubber body 211.

Also, the tight contact portions 214 may be formed as a pair. The pair of tight contact portions 214 may be formed on the left and right sides of the rubber body 211, respectively, with reference to FIG. That is, the connecting line A connecting the vertical center O of the compressor 1 and the vertical center O 'of the accumulator 11 can pass through the plurality of tight fitting portions 214.

Therefore, since the plurality of tight fitting portions 214 can restrain the radial force with respect to the compressor 1, the vibration transmitted from the compressor 1 to the accumulator unit 10 can be minimized Vibration or noise may be reduced.

The rubber part 21 may further include a spacing part 215 forming a part of the outer circumferential surface of the rubber part body 211 and spaced apart from the strap part 22.

The spacing portion 215 is a portion spaced apart from the strap portion 22 when the rubber portion 21 is coupled to the connection pipe 13. That is, the spacing part 215 may form a spacing space between the spacing part 213 and the strap part 22 when the rubber part 21 is coupled to the connection pipe 13.

Further, the spacers 215 may be formed as a pair. The pair of spacing portions 215 may be formed on the upper side and the lower side of the rubber body 211, respectively, with reference to FIG. That is, a line B perpendicular to the connecting line A passing through the center of the accumulator 11 can pass through the plurality of spacers 215.

Therefore, since the plurality of spacers 215 can eliminate the restraint of the tangential force on the compressor 1, the vibration transmitted from the compressor 1 to the accumulator unit 10 can be minimized So that vibration or noise can be reduced.

11 is a view showing another shape of the rubber portion.

Referring to FIG. 11, the rubber part 21 is disposed so as to surround the circumference of the connection pipe 13, and absorbs vibration generated in the compressor 1. At this time, the entire inner circumferential surface of the rubber portion 21 is in close contact with the connection pipe 13, and the entire outer circumferential surface of the rubber portion 21 can be in close contact with the strap portion 22. A space 216 for absorbing vibration may be formed in the rubber part 21.

Specifically, the rubber portion 21 may include a cylindrical body 211 having a hollow interior. A space 216 for absorbing vibration may be formed in the rubber body 211.

The space 216 may absorb the vibration transmitted from the compressor 1 when the rubber part 21 is coupled to the connection pipe 13. Or the space 216 may serve to remove the constraint of the tangential force on the compressor 1.

Also, the space 216 may include a plurality of spaces. For example, a total of two spaces 216 may be formed in the rubber body 211. The plurality of spaces 216 may be formed on the upper side and the lower side of the rubber body 211, respectively, with reference to FIG. That is, a line passing through the center of the accumulator 11 is perpendicular to a connecting line A connecting the vertical center O of the compressor 1 and the vertical center O 'of the accumulator 11, May pass through the space 216.

Therefore, since the plurality of spaces 216 can eliminate the tangential force constraint on the compressor 1, the vibration transmitted from the compressor 1 to the accumulator unit 10 can be minimized So that vibration or noise can be reduced.

12 is a longitudinal sectional view showing a state in which the rubber portion and the connection pipe are coupled according to the second embodiment of the present invention.

The present embodiment is the same as the first embodiment in other portions, but is different in the shape of the rubber portion and the connecting pipe. Therefore, only the characteristic parts of the present embodiment will be described below, and the same parts as those of the first embodiment will be used herein.

Referring to FIG. 12, the rubber part 21 according to the second embodiment includes a rubber part body 211 having an inner space. A coupling groove 217 may be formed in the lower portion of the rubber body 211.

Specifically, the coupling groove 217 is formed at the lower portion of the inner circumferential surface of the rubber body 211, and is coupled to the connection pipe 13. For this, a coupling protrusion 131 for coupling with the coupling groove 217 of the rubber body 211 may be formed at a certain position on the outer circumferential surface of the connection pipe 13. That is, the rubber part 21 is elastically fitted to the connection pipe 13, and the engaging groove 217 can be fitted to the engaging projection 131. Therefore, even if vibration occurs in the compressor 1, there is an effect that the rubber pipe 21 can be firmly supported by the connection pipe 13 without being lowered or rotated downward.

Although the coupling groove 217 and the coupling protrusion 131 are shown as one in the figure, the coupling groove 217 and the coupling protrusion 131 are not limited thereto but may be formed in plural. That is, the plurality of coupling grooves 217 may be spaced apart from the inner surface of the rubber body 211 in the circumferential direction. The plurality of coupling protrusions 131 may be spaced circumferentially from the outer circumferential surface of the connection pipe 13. [

The engaging groove 217 is formed below the inner circumferential surface of the rubber member body 211. However, the engaging groove 217 may be formed at any position on the inner circumferential surface of the rubber member body 211. That is, the engaging groove 217 may be formed on the upper or middle portion of the inner surface of the rubber body 211.

FIG. 13 is a longitudinal sectional view showing a state in which the rubber portion and the connection pipe according to the third embodiment of the present invention are combined.

The present embodiment is the same as the first embodiment in other parts, but is characterized in that there is a difference in the position where the rubber part is coupled to the connection pipe. Therefore, only the characteristic parts of the present embodiment will be described below, and the same parts as those of the first embodiment will be used herein.

Referring to FIG. 13, the rubber portion 21 according to the third embodiment includes a rubber member body 11 having an inner space. The rubber body 211 may be positioned at the upper end 11a of the accumulator 11. [

Specifically, the upper end 11a of the accumulator 11 may be formed to have a small inner diameter so that the connection pipe 13 is engaged. That is, the upper end 11a may be formed to have a smaller diameter than the diameter of the accumulator 11. [ The connection pipe 13 may be formed to have an outer diameter smaller than the diameter of the upper end 11a of the accumulator 11.

Therefore, the connection pipe 13 may be inserted into the upper end 11a of the accumulator 11. [ At this time, the outer circumferential surface of the connection pipe 13 may be in contact with the inner circumferential surface of the upper end 11a of the accumulator 11. The rubber body 211 may be placed on the upper end 11a of the accumulator 11 in a state where the connection pipe 13 is inserted into the upper end 11a of the accumulator 11. That is, the rubber portion 21 is elastically fitted to the connection pipe 13 and the upper end 11a of the accumulator 11 can be lifted. Therefore, even if vibration occurs in the compressor 1, there is an effect that the rubber pipe 21 can be firmly supported by the connection pipe 13 without being lowered or rotated downward.

14 is an exploded perspective view of the supporting device of Fig. 14, and Fig. 16 is a sectional view taken along the line III-III 'of Fig. 14 to be.

The present embodiment is similar to the first embodiment in other portions, but is different in the shape of the rubber portion. Therefore, only the characteristic parts of the present embodiment will be described below, and the same parts as those of the first embodiment will be used herein.

Referring to FIGS. 14 to 16, the rubber part 21 according to the fourth embodiment of the present invention is further provided with a latching part 218 for engaging with the bracket part 23.

Specifically, the supporting device 20 according to the fourth embodiment may include a rubber portion 21, a strap portion 22, and a bracket portion 23. Since the strap portion 22 and the bracket portion 23 have the same configuration as the first embodiment, a detailed description thereof will be omitted.

The rubber part (21) is a member fitted to the outer circumferential surface of the connection pipe (13). The rubber part 21 includes a rubber part body 211 having an inner space. The rubber body 211 may have a cylindrical shape and may be formed of an elastically deformable material.

In addition, a latching part 218 for engaging with the bracket part 23 may be formed on one side of the rubber part 21.

In detail, the latching portion 218 is a member which is hooked on one side of the bracket portion 23 in a hook manner. The latching part 218 may extend in the horizontal direction at the upper end of the outer peripheral surface of the rubber body 211 and then be bent downwardly. That is, the latching portion 218 includes a horizontal extending portion 218a extending in the horizontal direction at the upper end portion of the outer peripheral surface of the rubber body 211 and a vertical extending portion 218b extending from the end portion of the horizontal extending portion 218a Section 218b.

More specifically, the horizontally extending portion 218a may extend horizontally from the upper end of the rubber body 211 and may be positioned on the upper surface of the bracket body 231. [ The vertical extension part 218b may be bent downward from the end of the horizontal extension part 218a to form a space into which a part of the bracket part 23 is inserted. That is, the horizontal extension part 218a and the vertical extension part 218b are made of elastically deformable material, so that the bracket part body 218a and the vertical extension part 218b are formed in the space formed by the horizontal extension part 218a and the vertical extension part 218b. 231 may be elastically inserted.

According to the above-described structure, the rubber part 21 is elastically fitted to the connection pipe 13, and the engaging part 218 can be firmly coupled to the bracket part 23. [ Therefore, even if vibration occurs in the compressor 1, there is an effect that the rubber pipe 21 can be firmly supported by the connection pipe 13 without being lowered or rotated downward.

17 is a graph showing the vibration or noise reduction effect of the accumulator to which the support device of the present invention is applied.

The graph of FIG. 17 shows the noise generated from the compressor 1 as the operation speed of the compressor motor increases, for example, the magnitude of the noise detected at the rear of the case 1a.

Referring to FIG. 17, it can be seen that the noise generated in the compressor according to the present invention is reduced by 1 to 3 dBA from the noise generated in the conventional compressor.

For example, in the case of conventional compressors, when the rotational speed of the compressor motor is operated at 120 RPS (Revolutions Per Second), the magnitude of the noise detected at the rear of the case is measured to be about 65 dBA.

On the other hand, in the case of the compressor of the present invention, when the rotational speed of the compressor motor is operated at 120 RPS, the magnitude of the noise sensed at the rear of the case is measured to be about 62 dBA. Therefore, it can be seen that the noise generated by the compressor of the present invention is about 3 dBA lower than the noise generated by the conventional compressor.

It can be seen from the graph that vibration or noise generated in the compressor is greatly reduced by applying the structure of the present invention, that is, the support device to the accumulator.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents. .

Claims (18)

A supporting device for supporting an accumulator with respect to a compressor,
The support device comprises:
A bracket fixed to the outside of the compressor;
A rubber part which surrounds a periphery of a connection pipe connected to the accumulator or the accumulator and absorbs vibration, a part of an inner circumferential surface of which is in close contact with the accumulator or the connection pipe and another part of the inner circumferential surface is separated from the accumulator or the connection pipe; And
And a strap portion surrounding the rubber portion and coupled to the bracket portion. The method according to claim 1,
Wherein the rubber part comprises a part of the inner circumferential surface of the rubber part, the part being spaced apart from the accumulator or the connection pipe. 3. The method of claim 2,
Wherein the rubber portion further comprises a tightly protruding portion formed on the inner circumferential surface of the rubber portion and closely attached to the accumulator or the connecting pipe. The method of claim 3,
Wherein a connection line connecting the vertical center of the compressor and the vertical center of the accumulator passes through the tight contact portion. 5. The method of claim 4,
And a line perpendicular to the connecting line passing through the center of the accumulator passes through the separating portion. The method of claim 3,
Wherein the rubber portion includes a plurality of spacers,
A connecting line connecting the vertical center of the compressor and the vertical center of the accumulator passes through a part of the plurality of spacers,
And a line perpendicular to the connecting line passing through the center of the accumulator passes through another portion of the plurality of spacers. The method according to claim 6,
Wherein the tight contact portion is located between adjacent spacing portions. The method according to claim 1,
A coupling protrusion for coupling with the rubber portion is formed on an outer circumferential surface of the connection pipe,
And an engaging groove for engaging with the engaging projection is formed on an inner circumferential surface of the rubber portion. The method according to claim 1,
Wherein an upper end of the accumulator is formed to have an inner diameter smaller than that of the connection pipe,
Wherein the rubber portion is placed on the upper end of the accumulator. The method according to claim 1,
Wherein the rubber portion includes a latch portion formed on an outer circumferential surface of the rubber portion to latch and fix one side of the bracket portion in a hook manner. The method according to claim 1,
Wherein a portion of the rim is incised. A supporting device for supporting an accumulator with respect to a compressor,
The support device comprises:
A bracket fixed to the outside of the compressor;
A rubber portion surrounding the accumulator or the connection pipe to absorb vibration; And
And a strap portion surrounding the rubber portion and coupled to the bracket portion,
Wherein a portion of the outer circumferential surface of the rubber portion is in close contact with the strap portion, and another portion of the outer circumferential surface of the rubber portion is spaced apart from the strap portion. 13. The method of claim 12,
Wherein the rubber portion comprises a part of the outer circumferential surface of the rubber portion and spaced apart from the strap portion. 14. The method of claim 13,
Wherein the rubber portion further comprises a tightly protruding portion formed on an outer circumferential surface of the rubber portion and closely contacted with the strap portion. 15. The method of claim 14,
Wherein a connection line connecting the vertical center of the compressor and the vertical center of the accumulator passes through the tight contact portion. 16. The method of claim 15,
And a line perpendicular to the connecting line passing through the center of the accumulator passes through the separating portion. A supporting device for supporting an accumulator with respect to a compressor,
The support device comprises:
A bracket fixed to the outside of the compressor;
A rubber portion enclosing the periphery of the accumulator or the connection pipe and having a space for absorbing vibration therein; And
And a strap portion surrounding the rubber portion and coupled to the bracket portion. 18. The method of claim 17,
Wherein a line passing through the center of the accumulator passes through the space while being perpendicular to a connection line connecting the vertical center of the compressor and the vertical center of the accumulator.

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