CN203067654U - Vibration isolation device and air conditioner - Google Patents

Abstract

The utility model discloses a vibration isolation device, which comprises an integral rubber pad main body, the rubber pad main body has an upper part, a middle part and a lower part connected with the upper part through the middle part, and the cross-sectional area of the middle part is respectively less than The cross-sectional area of the upper portion and the lower portion. In the vibration isolation device, the cross-sectional area of the middle part is small, that is, the radius of gyration is small, and the gyration stiffness is small. According to the single degree of freedom theory, the vibration isolation effect along the circumference parallel to the support surface of the vibration source is good. It can effectively reduce vibration and noise. The utility model also discloses an air conditioner, which uses the vibration isolation device and has low noise.

Description

Vibration isolation and air conditioning

technical field

The utility model relates to the technical field of vibration isolation equipment, in particular to a vibration isolation device and an air conditioner.

Background technique

Vibration isolation devices are used to isolate engineering structures from vibration sources to reduce vibration effects. There are various types of vibration sources, such as compressors in air conditioners. The compressor is the power-providing component in the refrigeration cycle system of the air conditioner. It first sucks the low-temperature and low-pressure refrigerant gas in the evaporator, then compresses it into a high-temperature and high-pressure refrigerant gas, and finally sends it to the condenser to achieve " Compression, condensation, expansion, evaporation" refrigeration cycle.

At present, most of the vibration isolation devices used for vibration sources such as the above-mentioned compressors are regular-shaped rubber feet. The circumferential vibration resistance is poor, and the vibration noise is relatively large.

In addition, the above-mentioned rubber feet have poor vibration resistance, which may easily cause the vibration source to fall off from the engineering structure or the engineering structure is loose, affecting normal operation.

To sum up, how to provide a vibration isolation device with good circumferential vibration isolation effect to reduce vibration noise is an urgent problem to be solved by those skilled in the art.

Utility model content

In view of this, the utility model provides a vibration isolation device, which has a good vibration isolation effect along the circumference of the support surface parallel to the vibration source, and can reduce vibration noise. The utility model also provides an air conditioner using the vibration isolation device, which has low noise.

In order to achieve the above object, the utility model provides the following technical solutions:

A vibration isolation device, comprising:

The one-piece rubber pad main body has an upper part, a middle part and a lower part connected to the upper part through the middle part, the cross-sectional area of the middle part is smaller than the cross-sectional area of the upper part and the lower part respectively.

Preferably, in the above vibration isolation device, the main body of the rubber pad is provided with an installation hole passing through the upper part, the middle part and the lower part.

Preferably, in the above-mentioned vibration isolation device, the upper part, the middle part and the lower part are cylindrical structures respectively, and the axes of the three coincide.

Preferably, in the above vibration isolation device, the outer diameter of the upper part is smaller than the outer diameter of the lower part; it also includes a disc spring sleeved on the middle part, the inner diameter of which is smaller than the outer diameters of the lower part and the upper part .

Preferably, the above-mentioned vibration isolation device also includes two spacers set on the middle part and located on both sides of the disc spring; the inner diameters of the two spacers are the same; the outer diameter of the disc spring is smaller than the outer diameter of the gasket whose outer edge is adjacent.

Preferably, in the above vibration isolation device, the outer edge of the disk spring is close to the lower part.

Preferably, in the above-mentioned vibration isolation device, a first groove is provided on the end surface of the lower part facing the upper part, and the gasket close to the lower part among the two gaskets is located in the first groove.

Preferably, the above-mentioned vibration isolation device further includes a rubber block sleeved on the middle part and located between the disc spring and the upper part; There is a second groove; the gasket near the upper part of the two gaskets is located in the second groove.

An air conditioner, comprising a compressor mounted on a support plate through bolts, and a vibration isolation device, the vibration isolation device being the vibration isolation device described in any one of the above technical solutions.

Preferably, in the above-mentioned vibration isolation device, the main body of the rubber pad is arranged on the bolt through the installation hole thereon.

The vibration isolation device provided by the utility model includes a rubber pad main body with an integral structure, which has an upper part, a middle part and a lower part connected to the upper part through the middle part, wherein the cross-sectional area of the middle part is smaller than that of the upper part and the cross-sectional area of the lower part respectively area. When assembling, the upper part can be close to the vibration source, and the lower part can be close to the support surface of the vibration source, or the upper part can be close to the support surface of the vibration source, and the lower part can be close to the vibration source.

In this vibration isolation device, the cross-sectional area of the middle part is small, that is, its radius of gyration is small, and the gyration stiffness of the middle part is small. According to the theory of single-degree-of-freedom system, the vibration isolation of the middle part along the circumferential direction parallel to the support surface of the vibration source The effect is good, that is, the vibration isolation effect of the main body of the rubber pad along the circumferential direction parallel to the support surface of the vibration source is good, and the vibration noise can be effectively reduced.

In addition, the vibration isolation device provided by the utility model has a good vibration isolation effect along the circumferential direction parallel to the support surface of the vibration source, which can reduce the probability of the vibration source falling off the engineering structure and prevent the engineering structure in contact with the vibration source from being loose or loose. damage, which is conducive to normal operation.

The utility model also provides an air conditioner, which uses the vibration isolation device provided by the utility model, the vibration isolation effect of the compressor is good, and the noise of the air conditioner is small.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of the vibration isolation device that the utility model embodiment provides;

Fig. 2 is the structural representation of the main body of the rubber pad provided by the embodiment of the present invention;

Fig. 3 is the schematic structural view of the disc spring provided by the embodiment of the present invention;

Among them, in Figure 1-Figure 3:

Rubber pad main body 100; upper part 101; middle part 102; lower part 103; rubber block 200; gasket 300; disc spring 400.

Detailed ways

The embodiment of the utility model discloses a vibration isolation device, which has a good vibration isolation effect along the circumferential direction of the support surface parallel to the vibration source, and can reduce vibration noise. The embodiment of the utility model also discloses an air conditioner using the vibration isolation device, which has low noise.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to Fig. 1-Fig. 3, the vibration isolation device provided by the embodiment of the present utility model includes a rubber pad main body 100 of integral structure, which has an upper part 101, a middle part 102 and a lower part 103 connected with the upper part 101 through the middle part 102, wherein the middle part The cross-sectional area of 102 is smaller than the cross-sectional area of the upper part 101 and the cross-sectional area of the lower part 103 respectively. When assembling, the upper part 101 can be close to the vibration source, and the lower part 103 can be close to the support surface of the vibration source, or the upper part 101 can be close to the support surface of the vibration source, and the lower part 103 can be close to the vibration source.

In this vibration isolation device, the cross-sectional area of the middle part 102 is small, that is, its radius of gyration is small, and the gyration stiffness of the middle part is small. According to the theory of single-degree-of-freedom system, the middle part 102 is parallel to the circumferential direction of the support surface of the vibration source. The vibration isolation effect is good, that is, the rubber pad main body 100 has a good vibration isolation effect along the circumferential direction parallel to the support surface of the vibration source, and can effectively reduce vibration noise.

In addition, the vibration isolation device provided by the utility model has a good vibration isolation effect along the circumferential direction parallel to the support surface of the vibration source, which can reduce the probability of the vibration source falling off the engineering structure and prevent the engineering structure in contact with the vibration source from being loose or loose. damage, which is conducive to normal operation.

In specific applications, the main body of the rubber pad with less rigidity can be used as much as possible to achieve better vibration isolation effect.

Preferably, in the vibration isolation device provided by the above embodiment, the rubber sole body is provided with installation holes passing through the upper part 101, the middle part 102 and the lower part 103, so that bolts and other components can be used to install between the vibration source and the support surface of the vibration source. Of course, the vibration source and the support surface of the vibration source can also be provided with draw-in grooves respectively. When assembling, the two ends of the rubber pad main body 100 can be pushed against the draw-in grooves of the vibration source and the support surface respectively, so as to avoid the A mounting hole is provided on the main body of the rubber bottom, which is convenient for processing; preferably, the part of the above-mentioned card slot used for clamping and positioning the upper part 101 or the lower part 103 can be set to a larger size to prevent the upper part 101 or the lower part 103 from coming out of the card slot.

Specifically, in the above-mentioned vibration isolation device, the upper part 101 , the middle part 102 and the lower part 103 are cylindrical structures respectively, and the axes of the three coincide.

Since the cross-sectional area of the middle part 102 is smaller than that of the upper part 101 and the lower part 103 respectively, that is, the outer diameter of the middle part 102 is smaller than that of the upper part 101 and the lower part 103, its anti-extrusion ability along the direction perpendicular to the support surface is small , the amount of deformation is large, resulting in poor vibration isolation effect of the rubber pad main body 100 along the direction perpendicular to the support surface of the vibration source, and even causing the vibration source to hit the support surface. Therefore, in order to further optimize the above technical solution, the vibration isolation device provided in this embodiment , also includes a disc spring 400 sleeved on the middle part 102, wherein the outer diameter of the upper part 101 is smaller than the outer diameter of the lower part 103, and the inner diameter of the disc spring 400 is smaller than the outer diameters of the upper part 101 and the lower part 103 respectively. Specifically, the outer diameter of the disc spring 400 is smaller than the outer diameter of the lower part 103 . In application, it is preferable to make the lower part 103 abut against the supporting surface of the vibration source.

Further, since the disc spring 400 directly abuts on the upper part 101 and the lower part 103 during operation, the upper part 101 and the lower part 103 will be greatly deformed, and the vibration isolation effect cannot be fully exerted, so the vibration isolation device provided in this embodiment also includes a set On the above-mentioned middle part 102, there are two gaskets 300 located on both sides of the disk spring 400, wherein the inner diameters of the two gaskets 300 are the same; the outer diameter of the disk spring 400 is smaller than the outer diameter of the gasket 300 whose outer edge is close . During assembly, it is preferable to make the outer edge of the disc spring 400 close to the lower part 103 and its middle part close to the upper part 101 . The Belleville spring 400 has the characteristics of small deformation and can withstand large load, and its size is small, occupying a small installation space.

Furthermore, the above-mentioned vibration isolation device also includes a rubber block 200 set on the middle part 102, which is located between the disc spring 400 and the upper part 101, wherein, among the two gaskets 300, the gasket 300 close to the upper part 101 is located Between the disc spring 400 and the above-mentioned rubber block 200 .

Preferably, in the vibration isolation device provided by the above embodiment, a first groove is provided on the end surface of the lower part 103 facing the disk spring 400, and the gasket 300 close to the lower part 103 is located in the first groove. A second groove is provided on the end surface of the rubber block 200 facing the disk spring 400 , and the gasket 300 close to the upper part 101 is located in the second groove.

Specifically, the shape of the above-mentioned first groove is the same as the shape of the gasket 300 matched with it, and its size is slightly smaller than the size of the gasket 300, and the gasket 300 is inserted into the above-mentioned first groove by means of interference fit. Inside; the shape of the above-mentioned second groove is the same as the shape of the mating gasket 300, and its size is slightly smaller than the size of the gasket 300, and the gasket 300 is embedded in the above-mentioned second groove by means of interference fit .

The vibration isolation device provided in this embodiment uses the disc spring 400 and the rubber pad main body 100 in combination. Compared with the common rubber pad used for vibration isolation in the prior art, its The vibration isolation effect is good, and the vibration isolation frequency is wide. In addition, the vibration isolation device provided by this embodiment has a good vibration isolation effect along the direction of the support surface of the vibration source, and can reduce the requirement for the softness of the rubber pad main body 100, and the rigidity of the rubber pad main body 100 can be set to be relatively small. The transverse shearing stiffness is reduced, thereby reducing its rotational stiffness. According to the single degree of freedom system theory, the vibration isolation effect of the rubber pad main body 100 along the circumferential direction parallel to the support surface of the vibration source is further improved. Furthermore, in the vibration isolation device provided in this embodiment, frictional damping occurs between the disc spring 400 and the washer 300, which can dissipate energy and further enhance the effect of vibration isolation. In addition, the rubber pad main body 100 can also pass itself The frictional damping realizes energy dissipation, which in turn enhances the effect of vibration isolation. To sum up, the above-mentioned vibration isolation device has the characteristics of good vibration isolation effect, wide vibration isolation frequency and small installation space.

The embodiment of the utility model also provides an air conditioner, which includes bolts and a compressor set on the support plate through the bolts, and a vibration isolation device for the compressor, wherein the vibration isolation device is the vibration isolation device provided in the above embodiment .

Specifically, in the above-mentioned air conditioner, the rubber pad main body 100 is arranged on the bolt through the installation hole thereon.

The air conditioner provided in this embodiment applies the vibration isolation device provided in the above embodiment, which can effectively block the vibration of the compressor, and the noise of the air conditioner is small.

Specifically, in the above-mentioned air conditioner, the lower part 103 abuts against the support plate of the air conditioner, and the upper part 101 abuts against the compressor.

The air conditioner provided in this embodiment applies the vibration isolation device provided in the above embodiment, and also has other effects provided by the above embodiment, which will not be repeated here.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. an isolation mounting is characterized in that, comprising:

The rubber pad main body of integral type, it has top, middle part and the bottom that links to each other with described top by described middle part, and the cross sectional area at described middle part is respectively less than the cross sectional area on described top and the cross sectional area of described bottom.

2. isolation mounting according to claim 1 is characterized in that, described rubber pad main body is provided with the mounting hole that connects described top, described middle part and described bottom.

3. isolation mounting according to claim 2 is characterized in that, described top, described middle part and described bottom are respectively cylindrical-shaped structure, and three's dead in line.

4. isolation mounting according to claim 3 is characterized in that, the external diameter on described top is less than the external diameter of described bottom; Also comprise being set in described supermedial belleville spring, its internal diameter is less than the external diameter on described bottom and described top.

5. isolation mounting according to claim 4 is characterized in that, also comprises being sleeved on the described middle part, is positioned at 2 pads of described belleville spring both sides; The internal diameter of 2 described pads is identical; The external diameter of described belleville spring is less than the external diameter of the close described pad of its outer edge.

6. isolation mounting according to claim 5 is characterized in that, the outer edge of described belleville spring is near described bottom.

7. isolation mounting according to claim 6 is characterized in that, the end face towards described top on the described bottom is provided with first groove, and the pad near described bottom in 2 described pads is positioned at described first groove.

8. isolation mounting according to claim 7 is characterized in that, also comprise being sleeved on the described middle part, and the block rubber between described belleville spring and described top; End face towards described belleville spring on the described block rubber is provided with second groove; Pad near described top in 2 described pads is positioned at described second groove.

9. air-conditioning comprises by bolt being arranged on compressor on the dunnage, and isolation mounting, it is characterized in that described isolation mounting is any described isolation mounting of claim 1-8.

10. air-conditioning according to claim 9 is characterized in that, described rubber pad main body is arranged on the described bolt by the mounting hole on it.

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