KR20030049536A - Vibration damping apparatus for compressor - Google Patents

Abstract

PURPOSE: A device for supporting the vibration reduction of a compressor is provided to reduce the transmission for the vibration of the compressor to an installing surface by elastically straining a region contacted with the compressor corresponding to the displacement of the compressor. CONSTITUTION: In a device for supporting the vibration reduction of a compressor having the compressor including a casing housing a compression unit and an electric motor unit and a mount bracket(24) integrally combined to the lower side of the casing and formed with a plurality of penetrating holes(26) by penetrating a planar surface at an outer region, and a plurality of fixing shafts(14) protruded upward from the upside of a base plate(12) with corresponding to the penetrating holes with being interposed between the base plate arranged at the lower of the compressor along the upper and lower direction of the compressor to reduce the vibration transmitted from the compressor to the base plate, the supporting device for the vibration reduction of the compressor comprises a body unit(42a) of which the lower side is contacted to the base plate and extended along the upper and lower directions; a head unit(42b) separated from the body unit upward and downward in a predetermined length and arranged at the upside of the mount bracket with elastically passing through the penetrating holes; a bracket housing unit(42c) formed between the head and body units to house the region for penetrating holes of the mount bracket; and a vibration-proof rubber member(41) having a gap(42d) penetrating the head unit, the bracket housing unit, and the body unit to be separated from the outer diameter of the fixing shaft in a predetermined flow gap.

Description

VIBRATION DAMPING APPARATUS FOR COMPRESSOR}

The present invention relates to a vibration reduction support device for a compressor, and more particularly, a compressor in which an area in contact with the compressor is elastically deformed to correspond to the displacement of the compressor to reduce transmission of vibration of the compressor to the installation surface. It relates to a vibration reduction support device of.

The compressor is a component of the refrigerating cycle that recompresses the refrigerant having been cooled, and is mainly adopted in refrigerators, air conditioners and the like which perform the cooling. As components of the refrigeration cycle, in addition to the compressor, a condenser for condensing the refrigerant compressed by the compressor through heat dissipation, an expansion device for condensing and expanding the refrigerant condensed by the condenser, and disposed in the cooling zone to absorb the latent heat of the surroundings There is an evaporator which performs cooling while evaporating.

1 is a view showing a machine room area of a conventional refrigerator, Figure 2 is an enlarged cross-sectional view of the main part of FIG. As shown in these figures, the machine chamber 11 opened rearward is formed in the rear lower region of the main body 10 of the refrigerator, and the base plate 12 is provided on the bottom surface of the machine chamber 11. A compressor 21 for compressing a refrigerant is provided on one side of the upper surface of the base plate 12, and one side of the compressor 21 is provided with a condenser 27 for condensing the compressed refrigerant through heat radiation. One side of the condenser 27 is provided with a blowing fan 29 for promoting the heat dissipation of the refrigerant by blowing toward the condenser 27.

The compressor 21 includes a casing 22 forming a receiving space such as a compression unit (not shown) for compressing a refrigerant therein and an electric motor unit (not shown) for providing a driving force to the compression unit, and the casing 22. It is integrally coupled to the lower side of the mounting bracket 24 for supporting the casing 22 is provided. The mount bracket 24 is formed of a plate-like member, and through-holes 26 are formed through the plate surface in each corner region, and the base plate 12 protrudes in the vertical direction corresponding to each through-hole 26. A plurality of fixed shafts 14 are formed.

In each through hole 26, the lower end is supported by the base plate 12 so that the compressor 21 is predetermined from the base plate 12 so that the vibration of the compressor 21 can be suppressed from being transmitted to the base plate 12. The anti-vibration rubber members 31 formed of the elastic rubber members to be spaced apart from each other are combined.

The anti-vibration rubber member 31 includes a body part 32a having a lower end supported by the base plate 12 and extending in a vertical direction, and spaced apart from the body part 32a in a vertical direction by a predetermined distance. Area of the through hole 26 of the mount bracket 24 between the head portion 32b and the head portion 32b and the body portion 32a formed to pass through the 26 and contact the upper side of the mount bracket 24. A shaft formed to accommodate the fixed shaft 14 by penetrating the bracket accommodation portion 32c and the head portion 32b, the bracket accommodation portion 32c, and the body portion 32a along the up-down direction, which are formed to be inserted therein. The accommodation hole 34 is provided.

A fixing pin 18 is disposed along the horizontal direction on the upper side of each of the anti-vibration rubber members 31 so as to prevent the anti-vibration rubber members 31 from being spaced apart from the base plate 12 in the vertical direction. In the upper region of 14, the pin hole 16 is formed through the horizontal direction to accommodate the fixing pin 18.

By the way, in the conventional vibration reduction support device of the compressor, the shaft receiving hole 34 penetrated inside the dustproof rubber member 31 along the vertical direction to accommodate the fixed shaft 14 is fixed shaft (14) It is formed to have a size that includes a tolerance for coupling to the outer diameter of the), when the displacement in the horizontal direction occurs when the compressor 21 is driven, the dustproof rubber member 31 and the fixed shaft 14 is There is a problem that the vibration of the compressor 21 is transmitted to the base plate 12 through the fixed shaft 14 in contact with each other.

Accordingly, it is an object of the present invention to provide a vibration reduction support device for a compressor in which an area in contact with the compressor is elastically deformed to correspond to the displacement of the compressor to reduce transmission of vibration of the compressor to the installation surface.

1 is a view showing a machine room area of a conventional refrigerator,

2 is an enlarged cross-sectional view of the main part of FIG. 1;

3 is a plan view of the coupled state of the vibration reducing support device of the compressor according to an embodiment of the present invention;

Figure 4 is an enlarged longitudinal sectional view of the dustproof rubber member of Figure 3,

5 is a view for explaining the operation of the vibration reducing support device of the compressor of FIG.

6 is a view corresponding to FIG. 4 of a vibration reducing support device of a compressor according to another embodiment of the present disclosure;

7 is a view corresponding to FIG. 4 of a vibration reducing support device of a compressor according to another embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

12: base plate 14: fixed shaft

16: pin ball 18: fixed pin

21 compressor 22 casing

24: mounting bracket 26: through hole

42a: body portion 42b: head portion

42c: Bracket accommodation part 42d: Spacing part

44: protrusion

The object of the present invention is a compressor having a casing accommodating a compression portion and an electric motor portion therein and a mounting bracket integrally coupled to a lower portion of the casing and having a plurality of through holes penetrating a plate surface in an outer region thereof. And a plurality of fixed shafts projecting upwardly from an upper surface of the base plate corresponding to the through hole, and interposed between the base plates disposed below the compressor along the up and down direction of the compressor to the base plate. An apparatus for supporting vibration reduction of a compressor to reduce transmitted vibrations, the apparatus comprising: a body portion having a lower surface contacting the base plate and extending in a vertical direction; A head part spaced apart from the body part in a vertical direction by a predetermined distance and elastically passing through the through hole and disposed above the mount bracket; A bracket accommodation portion formed between the head portion and the body portion to accommodate the through hole region of the mount bracket; Vibration reduction support of the compressor, characterized in that it comprises a dust-proof rubber member having a gap formed through the head portion, the bracket receiving portion and the body portion spaced apart from the outer diameter of the fixed shaft at a predetermined flow interval. Achieved by the device.

Here, it is preferable that the body portion further includes a flow inhibiting portion for suppressing the flow along the plate surface direction of the base plate.

The flow inhibiting portion is effective to include a protrusion protruding toward the fixed shaft from the inner diameter surface of the gap of the body portion.

Preferably, the flow inhibiting part includes a protrusion projecting downwardly from a lower end of the body portion, and a protrusion receiving hole penetrating through the base plate to accommodate the protrusion.

In addition, the flow inhibiting portion is effective to include a protrusion protruding to have a ring shape from the upper surface of the base plate.

The protrusion may protrude from the center of the body portion to a region having a radius smaller than the outer diameter of the body portion, and the bottom surface of the body portion may have a recessed portion recessed upward to accommodate the protrusion.

And, it is disposed on the upper side of the head portion further comprises a fixing pin to prevent the upward departure of the head portion, it is effective that the pin hole is formed in the fixing shaft so that the fixing pin can pass.

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

Figure 3 is a plan view of a combined state of the vibration reduction support device of the compressor according to an embodiment of the present invention, Figure 4 is an enlarged longitudinal sectional view of the anti-vibration rubber member of Figure 3, Figure 5 is a vibration reduction support of the compressor of Figure 3 It is a figure for demonstrating the operation | movement of an apparatus. The same reference numerals and the same components as the above-described and illustrated technical components will be given the same reference numerals for convenience of description, and detailed description thereof will be omitted. As shown in these figures, a base plate 12 is provided at the bottom of the machine room 11 of the refrigerator, and a compressor 21 is disposed on one side of the upper surface of the base plate 12 so as to compress the refrigerant. . One side of the compressor 21 is provided with a condenser 27 for condensing the compressed refrigerant through heat dissipation, and one side of the condenser 27 is provided with a blowing fan 29 to promote heat dissipation of the refrigerant.

The compressor 21 has a casing 22 forming a receiving space therein, and a mount bracket 24 integrally coupled to the lower portion of the casing 22, and has a plate surface at each corner region of the mount bracket 24. Through holes 26 are formed respectively.

The base plate 12 is formed with a fixed shaft 14 protruding upward corresponding to each through hole 26, each of the fixed shaft 14 is a vibration reducing support device of the compressor according to an embodiment of the present invention Each combined.

The vibration reducing support device of the present compressor includes a body part 42a having a lower end contacting the base plate 12 and extending in a vertical direction and spaced apart from the body part 42a by a predetermined distance, and having a through hole 26. Area of each of the through holes 26 of the mounting bracket 24 between the head portion 42b and the head portion 42b and the body portion 42a disposed elastically through the mount bracket 24. Bracket receiving portion (42c) is formed so as to accommodate the passage through the vertical direction with the flow interval of the head portion (42b), bracket receiving portion (42c) and the body portion (42a) from the outer diameter surface of the fixed shaft 14 It is comprised including the anti-vibration rubber member 41 provided with the space | interval part 42d formed.

The lower region of the spaced portion 42d formed inside the body portion 42a protrudes toward the fixed shaft 14 along the radial direction and contacts the outer diameter of the fixed shaft 14 so that the body portion 42a is the base plate ( A protrusion 44 is formed to prevent flow along the plate surface direction of 12).

On the other hand, the fixing pin 18 is disposed on the upper side of the head portion 42b to prevent upward departure of the head portion 42b, and the fixing pin 18 is accommodatingly coupled to the fixing shaft 14. The pin hole 16 penetrated horizontally in the longitudinal direction is formed.

By such a configuration, the anti-vibration rubber members 41 are coupled to the fixed shafts 14 protruding upward from the base plate 12, and each through hole of the mount bracket 24 is formed from above the anti-vibration rubber members 41. The pressure 26 is pressed downward against the head 42b. Then, each head portion 42b elastically passes through the through hole 26, and the mount bracket 24 is elastically coupled to the inside of the bracket receiving portion 42c of each of the dustproof rubber members 41. . The compressor 21, the anti-vibration rubber member 41, and the base plate 12 are inserted into each other by inserting the fixing pin 18 into the pin hole 16 of the fixed shaft 14 protruding upward of each of the anti-vibration rubber members 41. To be integrally coupled.

On the other hand, as shown in Figure 5, when the displacement occurs along the horizontal direction during the operation of the compressor 21, the lower region of the body portion (42a) is fixed by the protrusion 44 is in contact with the outer diameter of the fixed shaft 14 The upper area of the body portion 42a, the bracket accommodating portion 42c and the head portion 42b are mounted to the mounting bracket 24 by almost no contact with the fixed shaft 14 by the spaced portion 42d formed therein. The elastic deformation corresponding to the flow of the suppresses the transmission of the vibration of the compressor 21 to the fixed shaft 14.

6 is a view corresponding to FIG. 4 of a vibration reduction support apparatus of a compressor according to another embodiment of the present invention. Like reference numerals refer to like elements and like parts and the detailed descriptions thereof will be omitted. As shown, the anti-vibration rubber member 51 of the present embodiment is provided with a body portion 52a, a head portion 52b, a bracket accommodating portion 52c and a spaced portion 52d, respectively, and a body portion 52a. At the bottom of the bottom rib rib groove 54 is formed. The base plate 12 is formed with a circular ring-shaped fixing rib 53 which protrudes upward to prevent the anti-vibration rubber member 51 from flowing along the plate surface direction and is inserted into the rib receiving groove 54. .

7 is a view corresponding to FIG. 4 of a vibration reducing support device of a compressor according to another embodiment of the present invention. The same reference numerals are used to designate the same or equivalent parts as those described above, and detailed description thereof will be omitted. As shown, the anti-vibration rubber member 61 of the present embodiment has a body portion 62a, a head portion 62b, a bracket accommodating portion 62c and a spacer portion 62d, respectively, and a body portion ( The protrusion of the bottom surface of 62a) protrudes downward with the outer diameter reduced compared to the outer diameter of the body portion 62a to prevent flow along the plate surface direction of the base plate 12 and is inserted into the base plate 12. 64 is formed. The base plate 12 is provided with a protrusion accommodating groove 65 so that the protrusion 64 can be inserted into the base plate 12.

As described above, according to the present invention, the bottom portion is in contact with the base plate and is formed to extend upwardly from the base plate, and the through hole formed in the mount bracket of the compressor is formed to be spaced apart a predetermined distance above the body portion to elastically A head receiving portion, a bracket accommodating portion formed so that the mounting bracket is inserted in the thickness direction between the body portion and the head portion, and a fixing shaft protruding upward from the base plate corresponding to each through hole are accommodated. By providing a gap formed through the head portion, the bracket receiving portion and the body portion at a predetermined flow interval so that the head portion, the bracket receiving portion and the body portion elastically deform in response to the displacement of the mounting bracket when the compressor is driven, To prevent vibrations from being transmitted to the baseplate The vibration reduction apparatus of a compressor capable of supporting, is provided.

Claims (7)

A compressor having a casing accommodating a compression part and an electric motor part therein, and a mounting bracket integrally coupled to the lower part of the casing, and having a plurality of through holes formed through the plate surface in the outer region, and a base corresponding to the through holes. Compressor having a plurality of fixed shafts protruding upward from the upper surface of the plate interposed between the base plate disposed in the lower side of the compressor in the vertical direction of the compressor to support the vibration transmitted from the compressor to the base plate to be reduced In vibration reduction support device of A body part having a lower surface contacting the base plate and extending in the vertical direction; A head part spaced apart from the body part in a vertical direction by a predetermined distance and elastically passing through the through hole and disposed above the mount bracket; A bracket accommodation portion formed between the head portion and the body portion to accommodate the through hole region of the mount bracket; Vibration reduction support of the compressor, characterized in that it comprises a dust-proof rubber member having a gap formed through the head portion, the bracket receiving portion and the body portion spaced apart from the outer diameter of the fixed shaft at a predetermined flow interval. Device. The method of claim 1, Vibration reduction support device of the compressor further comprises a flow suppressing unit for suppressing the body portion flowing along the plate surface direction of the base plate. The method of claim 2, The flow suppression unit vibration reduction support device of the compressor, characterized in that it comprises a protrusion protruding toward the fixed shaft from the inner diameter surface of the gap of the body portion. The method of claim 2, The flow suppression unit vibration reduction support device of the compressor, characterized in that it comprises a projection projecting downward from the lower end of the body portion and a projection receiving hole penetrating the base plate to accommodate the projection. The method of claim 2, The flow suppressing unit vibration reduction support device of the compressor, characterized in that it comprises a protrusion protruding from the upper surface of the base plate to have an annular shape. The method of claim 5, The protrusion may protrude from the center of the body portion to a region having a radius smaller than the outer diameter of the body portion, and the bottom surface of the body portion may have a recessed portion recessed upward to accommodate the protrusion. Vibration reduction support device of the compressor. The method according to any one of claims 1 to 6, And a fixing pin disposed above the head to prevent upward deviation of the head, and the pin shaft is formed in the fixing shaft to allow the fixing pin to pass therethrough.