KR100220812B1 - Fluid compressor - Google Patents

Abstract

The present invention has a problem in that the compression efficiency and the compression capacity of the fluid are limited because the fluid is compressed only through the space formed between the cylinder and one rotating body, and thus the first rotating body having the cylindrical cavity is formed. And a cylindrical third rotating body disposed concentrically within the first rotating body, and a spiral through groove eccentrically disposed between the first rotating body and the third rotating body and having a smaller pitch from the suction side to the discharge side. A second rotating body which is formed and rotates relatively to the first rotating body and the third rotating body in a state where a part of the outer circumferential surface is in contact with the inner circumferential surface of the first rotating body and a part of the inner circumferential surface is in contact with the outer circumferential surface of the third rotating body; A spiral blade inserted into the through groove so as to be able to move back and forth and in close contact with the inner circumferential surface of the first rotating body and the outer circumferential surface of the third rotating body to partition the space around the second rotating body into a plurality of compression chambers; It includes a first rotational power transmission mechanism for transmitting the rotational force from the first rotating body to the second rotating body to rotate the second rotating body, so that the compression chamber is composed of a double, if the rotating body is rotated by the drive means The present invention relates to a fluid compressor capable of increasing the capacity of a compressed fluid by transporting the fluid through a compression chamber of the compressor.

Description

Fluid compressor

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fluid compressor for compressing and discharging a fluid. In particular, a plurality of rotors are installed in a hollow cylinder, and a cylinder and a rotor are rotated along a compression chamber formed between the cylinder and the rotor and the rotor and the rotor. A fluid compressor is provided that allows fluid to be compressed as it moves.

The fluid compressor according to the prior art has a cylinder (1) rotatably installed in the casing (9), a rotating body (2) installed eccentrically in the cylinder (1), and the rotor as shown in Figs. A blade (5) installed to be able to move forward and backward in the radial direction in the whole (2), a rotor (3) fixedly fixed to the outer circumferential surface of the cylinder (1), and a stator (2) for rotating the rotor (3) by applying electric power ( 4) and an oulder coupling 6 for turning the rotor 2 when the cylinder 1 is rotated. The casing 9 includes a fluid supply pipe 7 and a fluid discharge pipe 8. It is connected.

In the conventional fluid compressor configured as described above, when the rotor 3 is rotated when electric power is supplied to the stator 4, the cylinder 1 is rotated, and when the cylinder 1 is rotated, a protruding pin inside the cylinder 1 ( The Ouldom Coupling 6 into which the 2a) is inserted is synchronized, and the rectangular part of the rotating body 2 inserted so as to be movable up and down in the inner rectangular groove of the Oledom Coupling 6 is synchronized to the rotating body 2. Pivots with the cylinder (1). When the cylinder 1 and the rotating body 2 are pivoted, the blade 5 inserted into the rotating body 2 retreats and comes into close contact with the inner circumferential surface of the cylinder 1 so that the fluid supplied from the fluid supply pipe 7 is supplied to the blade ( 5 is compressed along the compression chamber formed between the outer circumferential surface of the rotating body 2 and the inner circumferential surface of the cylinder 1, and then compressed through the fluid discharge port 8.

However, since the fluid is compressed only through the space formed between the cylinder and one rotating body, the conventional fluid compressor has a limitation in the compression efficiency and the compressing capacity of the fluid. There is a problem to increase the length of or to increase the diameter.

The present invention has been made in order to solve the above problems of the prior art, by forming a compression chamber on both the inside and the outside of the rotating body by penetrating the blade to the rotating rotating body to supply a large-capacity compressed fluid The purpose is to provide.

1 is a configuration diagram showing a cross section of a fluid compressor according to the prior art,

2 is a perspective view showing a rotating body that is a main configuration of a conventional fluid compressor,

3 is a cross-sectional view of the "A-A" cross section of Figure 1,

4 is a configuration diagram showing a cross section of the fluid compressor according to the present invention;

5 is a cross-sectional view showing a compression means that is the main configuration of the present invention,

FIG. 6 is a cross-sectional view of the “B-B” cross section of FIG. 5;

7 is a cross-sectional view showing another embodiment of the present invention,

FIG. 8 is a sectional view taken along the line “C-C” of FIG. 7.

* Explanation of symbols for main parts of the drawings

10: sealed case 20: first rotating body

30: second rotating body 31: spiral blade

35: compression chamber 40: third rotating body

50: drive means 51: first power transmission mechanism

The present invention for achieving the above object is a first rotary body installed in the sealed case and formed with a cylindrical cavity therein, and a cylindrical third rotary body disposed on the concentric axis along the axial direction in the first rotating body; A helical through-groove is formed between the first and third rotors along the axial direction and becomes smaller in pitch from the suction side to the discharge side, and a part of the outer circumferential surface is in contact with the inner circumferential surface of the first rotor. And a second rotating body relatively rotated with the first rotating body and the third rotating body in a state where a part of the inner circumferential surface is in contact with the outer circumferential surface of the third rotating body, and inserted into the through groove of the second rotating body so as to be able to move back and forth. The outer circumferential surface is in close contact with the inner circumferential surface of the first rotating body, and the inner circumferential surface is in close contact with the outer circumferential surface of the third rotating body, so that the space between the first rotating body and the second rotating body and the second rotating body and the third rotating body is plural compression chambers. Compartmental I A blade, drive means for transmitting rotational power to the first rotating body, a first rotating power transmission mechanism for rotating the second rotating body by transmitting a rotating force from the first rotating body to the second rotating body, and the first rotating body. Characterized in that the second rotational power transmission mechanism for transmitting the rotational force of the rotating body to the third rotating body.

Hereinafter, with reference to the accompanying drawings an embodiment of the present invention will be described.

As shown in FIGS. 4 to 6, the fluid compressor of the present invention includes a first rotating body 20 installed in the sealed case 10 and having a cylindrical cavity formed therein, and a shaft within the first rotating body 20. A cylindrical third rotary body 40 disposed on the concentric axis along the direction, and eccentrically disposed along the axial direction between the first rotary body 20 and the third rotary body 40 and a part of an outer circumferential surface thereof The first rotating body relatively to the first rotating body 20 and the third rotating body 40 in contact with the inner circumferential surface of the first rotating body 20 and a part of the inner circumferential surface in contact with the outer circumferential surface of the third rotating body 40. It consists of two rotating bodies 30.

The second rotating body 30 is formed with a spiral through groove having a smaller pitch from the suction side to the discharge side, is inserted into the through groove of the second rotating body 30 so as to be able to move back and forth, and the outer circumferential surface thereof is the first rotating body. In contact with the inner circumferential surface of the 20, the inner circumferential surface is in close contact with the outer circumferential surface of the third rotating body 40, the first rotating body 20, the second rotating body 30 and the second rotating body 30 and the third rotating body A spiral blade 31 for partitioning the space between the chambers into a plurality of compression chambers 35, a drive means 50 for transmitting rotational power to the first rotating body 20, and the first rotating body; The first rotational power transmission mechanism 51 for transmitting the rotational force from the 20 to the second rotational body 30 to rotate the second rotational body 30, and the rotational force of the first rotational body 20 a third time. The second rotational power transmission mechanism 52 which transmits to the whole 40 is provided.

The first rotating power transmission mechanism 51 has a key-groove type to transmit the rotational force of the first rotating body 20 to the second rotating body 30 so that the rotating speed of the second rotating body 30 is variable. Alternatively, the Ouldham coupling is used such that the rotational speed of the second rotating body 30 is a constant speed. In addition, the second rotating power transmission mechanism 52 directly connects the first rotating body 20 and the third rotating body 40 so that the first rotating body 20 and the third rotating body 40 rotate at constant speed. do.

Referring to the operation of the fluid compressor according to the present invention configured as described above are as follows.

When the driving means 10 is operated, the first rotating body 20 is rotated, and the third rotating body 40 is rotated at the same speed as the first rotating body 20 by the second rotating power transmission mechanism 52. . At the same time, the second rotating body 30 rotates in synchronization with the first rotating body 20 by the action of the first rotating power transmission mechanism 51.

Due to the rotational movement of the second rotating body 20 by the first rotating body 20, the spiral blade 31 rotates and moves forward and backward from the through groove of the second rotating body 30. Therefore, the fluid flowing into the suction side through the fluid inlet 61 is connected to the compression chamber 35 inside and outside the second rotating body 20 partitioned by the spiral blade 31 and the second rotating body 30. As it is compressed while moving from the suction side to the discharge side, it passes through the fluid discharge port 62 and is discharged to the outside.

That is, when the first rotating body 20 is driven, the fluid is simultaneously compressed through the inside and the outside of the second rotating body 30 due to the movement of the second rotating body 30 and the spiral blades 31 at the suction side. Since it moves to the discharge side, the capacity of the compressed fluid is increased.

As another embodiment of the present invention, as shown in Figs. 7 and 8, the compression means formed in a conical shape is used.

According to the second embodiment of the present invention, a first rotary cone body 120 is installed in a sealed case and has a conical cavity formed therein, and a conical shaft disposed concentrically along the axial direction in the first rotary cone body 120. An eccentricity is disposed in the axial direction between the third rotary cone body 140 and the first rotary cone body 120 and the third rotary cone body 140, and a part of an outer circumferential surface thereof contacts the inner circumferential surface of the first rotary cone body 120. And a portion of the inner circumferential surface of the second rotating cone body 130 having a predetermined thickness relatively rotating with the first rotating cone body 120 and the third rotating cone body 140 in a state in contact with the outer peripheral surface of the third rotating cone body 140. It is composed.

The second rotary cone body 130 is formed with a spiral through groove which becomes smaller in pitch from the suction side to the discharge side, is inserted into the through groove of the second rotary cone body 130 to be retracted and the outer peripheral surface is the first rotation In contact with the inner circumferential surface of the cone 120, the inner circumference is in close contact with the outer circumferential surface of the third rotary cone 140, the first rotary cone 120 and the second rotary cone 130 and the second rotary cone 130 and the third rotation A conical spiral blade 131 for partitioning the space between the cones 140 into a plurality of compression chambers 135, drive means 150 for transmitting rotational power to the first rotating cone 120, and the first A first rotating power transmission mechanism (not shown) which transmits rotational force from the first rotating cone body 120 to the second rotating cone body 130 to rotate the second rotating cone body 130, and the rotating force of the first rotating cone body 120. It is provided with a second power transmission mechanism (not shown) for transmitting to the third rotary cone (140).

In the second embodiment of the present invention configured as described above, when the driving means 150 is operated, the first rotary cone 120 and the third rotary cone 140 are rotated at the same speed, and the second rotary cone 130 Is rotated by the first rotary cone 120 or the third rotary cone (140). Therefore, the spiral blade 131 is rotated by the movement of the second rotary cone body 130 and moves forward from the through groove formed in the second rotary cone body 130, and when the spiral blade 131 is advanced, the suction side The fluid is compressed while being moved to the discharge side along the compression chamber 135 inside / outside the second rotary cone body 130.

As described above, the present invention has an effect of increasing the capacity of the compressed fluid because the compression chamber is configured to be double and the fluid is transferred while compressing the fluid through the double compression chamber when the rotating body is rotated by the driving means.

Claims (6)

A first rotating body provided in a sealed case and having a cylindrical cavity formed therein; a third rotating body having a cylindrical shape concentrically arranged in the first rotating body along an axial direction; and a third rotating body with the first rotating body. Spiral through grooves are formed between the whole in the axial direction and the pitch decreases from the suction side to the discharge side. A portion of the outer circumferential surface is in contact with the inner circumferential surface of the first rotating body, and a portion of the inner circumferential surface is formed of the third rotating body. A second rotating body relatively rotated with the first rotating body and the third rotating body in contact with the outer circumferential surface and inserted into the through groove of the second rotating body so that the outer circumferential surface is formed with the inner circumferential surface of the first rotating body; A spiral blade in close contact with an inner circumferential surface of the third rotating body to partition the space between the first rotating body and the second rotating body and the second rotating body and the third rotating body into a plurality of compression chambers; Rotating copper A driving means for transmitting a first rotation force, a first rotating power transmission mechanism for rotating the second rotating body by transmitting a rotating force from the first rotating body to the second rotating body, and transmitting the rotating force of the first rotating body to the third rotating body. A fluid compressor comprising a second rotational power transmission mechanism. The method of claim 1, The first rotating power transmission mechanism is formed in a key-groove manner, so that the rotational speed of the second rotating body is variable. The method of claim 1, The first rotational power transmission mechanism is formed by the Oulder coupling, the fluid compressor, characterized in that the second rotating body to rotate at a constant speed. The method of claim 1, The second rotating power transmission mechanism is a fluid compressor, characterized in that the first rotating body and the third rotating body directly connected to the first rotating body and the third rotating body to rotate at a constant speed. A first rotating cone installed in a sealed case and having a conical cavity formed therein; a third rotating cone of conical shape disposed concentrically along the axial direction within the first rotating cone; and the first rotating cone and a third rotating cone. A spiral through groove is formed between the cones along the axial direction and the pitch decreases from the suction side to the discharge side. A portion of the outer circumference contacts the inner circumferential surface of the first rotating cone and a portion of the inner circumferential surface of the third rotating cone is formed. A second rotating cone of a predetermined thickness relatively rotated with the first rotating cone and the third rotating cone in contact with the outer circumferential surface, and inserted into the through groove of the second rotating cone, and the outer circumferential surface is inserted into the first rotating cone. Close to the inner circumferential surface of the inner circumferential surface is in close contact with the outer circumferential surface of the third rotating cone and the first rotating cone, the second rotating cone and the second rotating cone and the third rotating cone Conical helix blades that divide the space between the plurality of compression chambers, drive means for transmitting rotational power to the first rotating cone, and a second rotating cone by transmitting rotational force from the first rotating cone to the second rotating cone. And a second rotational power transmission mechanism for rotating the first rotational power transmission mechanism and a second rotational power transmission mechanism for transmitting the rotational force of the first rotational cone to the third rotational cone. The method of claim 5, The first rotational power transmission mechanism is formed by the Oulder coupling, the fluid compressor, characterized in that the second rotating body to rotate at a constant speed.

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