KR200225529Y1 - Vibration Reduction Structure of Scroll Compressor - Google Patents

Abstract

The present invention relates to a vibration reduction structure of a scroll compressor, and in particular, by blocking the vibration of each part of the mainframe and the shell with an insulating material to achieve the effect of low vibration, low noise of the entire compressor.

Description

Vibration Reduction Structure of Scroll Compressor

The present invention relates to a vibration reduction structure of a scroll compressor, in particular to insert a vibration insulating material in a specific portion to reduce the vibration of the compressor.

The structure of the conventional compressor is divided into (a) and (b) of FIG. 1 according to the axial sealing structure. The rotating scroll 3 for compressing the refrigerant gas introduced into the suction pipe 2 and the discharge for discharging the compressed gas are shown. It consists of a tube (4) and a fixed scroll (7) coupled to the mainframe (6) by leaf springs.

In the drawing, reference numeral 1 denotes a tip seal, and 8 denotes a shell.

The gas introduced through the suction pipe (2) is rotated by the rotating scroll (3) is compressed to high temperature and high pressure is discharged to the discharge pipe (4). At this time, a small gap occurs at the tip of the scroll wrap, and leakage occurs. To prevent the leakage, the structure of (B) is coupled to the main frame 6 by a leaf spring and fixed by gas pressure. The scroll 7 is axially adapted to seal. (A) The structure prevents leakage by turning the tip chamber 1 into the lap and fixed scroll (3) and (7) wrap.

In the main frame 6, (b) the fixed scroll 7 is connected to the leaf spring, and in the (a) structure, the fixed scroll 7 is directly bolted to the main frame 6. In addition, the main frame 6 is connected by the shell 8 and the coupling pin 9 in the structure (a) (b) to be fastened by welding of the surface of the shell 8.

As the vibration and noise source of such a scroll compressor, in the case of radial sealing, the rotation, the contact of the lap of the fixed scroll (3) (7), the imbalance, the shaft misalignment, and the inertial force of the dam damping (10). 2 is a signal obtained by attaching an acceleration sensor on the circumference of the fixed scroll 2 and the main frame 6, and it can be seen that the vibration in the fixed scroll 7 is greater than that of the main frame (b).

That is, the contact of the lap, the unbalanced vibration source of the turning scroll (3) is transmitted in series to the main frame (6), the shell (8) through the fixed scroll and the inertia force of the dam dam ring 10, the misalignment of the shaft There is a problem that is delivered directly to the mainframe 6 to come out of the shell.

The present invention provides a vibration reduction structure of a scroll compressor that can reduce vibrations on the fixed scroll, the main frame and the shells with vibration-proof means to block the vibrations, thereby reducing vibration and noise of the entire compressor. There is a purpose.

(A) and (b) of FIG. 1 are sectional views of a conventional scroll compressor.

2 (a) is the vibration of the main frame.

(B) is the vibration of fixed scroll.

Figure 3 (a) (b) is a cross-sectional state diagram of the vibration isolation structure of the present invention.

4 is a cross-sectional state diagram of the vibration isolation structure of the present invention.

5 is another embodiment of the present invention,

Explanation of symbols on the main parts of the drawings

105; Leaf spring 106; Mainframe

107; Fixed scroll 108; Shell

109; Binding pin 113; Dustproof

114; Upper diaphragm 115; Dustproof plate

The present invention will be described with reference to FIGS. 3 to 5.

As shown, the scroll compressor according to the present invention, the leaf spring 105 is fixed to the upper end of the main frame 106, the fixed scroll 107 has a structure fixed to the upper diaphragm 114.

In the scroll compressor according to the present invention, the vibration of the fixed scroll 107 is prevented from being transmitted to the main frame 106 through the leaf spring 105 between the fixed scroll 107 and the leaf spring 105. To prevent the vibration plate 113 is inserted. Then, between the upper diaphragm 114 and the fixed scroll 107, a vibration damping plate 113 for preventing the vibration of the fixed scroll 107 is transmitted to the upper diaphragm 114 is inserted.

In addition, a thin plate-shaped prevention plate 115 is inserted between the mainframe 106 and the cell 108, and the mainframe 106 and the cell 108 are fixed by the coupling pin 109. Here, the dustproof agent 116 is inserted into the fastening portion of the main frame 106 to which the coupling pin 109 is fastened.

In addition, even when the main frame 106 is press-fitted to the shell 108, the dustproof plate 115 is inserted between the shell 108 and the main frame 106.

That is, by inserting the anti-vibration plate 113 between the fixed scroll 107 and the leaf spring 105, to prevent the vibration in the fixed scroll 107 is transmitted to the main frame 106 through the leaf spring 105. can do. Then, by inserting the dustproof plate 115 between the fixed scroll 107 and the upper diaphragm 114, it is possible to prevent the vibration of the fixed scroll 107 is transmitted to the shell 108 through the upper diaphragm 114. It is.

In addition, the anti-vibration plate 115 is inserted between the main frame 106 and the shell 108, and the anti-vibration agent 116 is inserted into the coupling pin 109 that fixes the shell 108 to the main frame 106. To prevent the vibration of the mainframe 106 from being transmitted to the shell 108.

And, in order to prevent the main frame 106 is moved by the flexibility of the anti-vibration plate 115 and the anti-vibration agent 116, the upper end of the coupling pin 109 in a single shape to fix the four places to move in the radial direction It is possible to prevent, by preventing the inclination of the main frame 106 by giving the coupling portion of the main frame 106 and the coupling pin 109 about half the radius of the shell 108.

As described above, in the present invention, the vibration of each part of the mainframe and the shell is blocked by using an insulating material, thereby devising an effect of low vibration and low noise of the entire compressor.

Claims (3)

In the scroll compressor is fixed to the upper end of the main frame, the fixed scroll is fixed to the upper diaphragm, the coupling pin to the shell on the main frame, A dustproof plate is inserted between the leaf spring and the fixed scroll, and a dustproof plate is inserted between the fixed scroll and the upper diaphragm to prevent vibration of the fixed scroll from being transmitted to the shell through the upper diaphragm. Vibration reduction structure of the compressor. The method of claim 1, Vibration dampening structure of the scroll compressor, characterized in that the dustproof plate is inserted between the mainframe and the shell, the dustproof agent is interposed in the fastening portion of the mainframe to which the coupling pin for fixing the shell to the mainframe. The method of claim 1, Vibration reduction structure of the scroll compressor, characterized in that the main frame is fixed to four places in the upper end of the coupling pin to prevent movement by the flexibility of the dustproof agent.