CN103835948B - Compressor pump and compressor - Google Patents

Abstract

The present invention provides a compressor pump body and the compressor, wherein the compressor pump body includes a cylinder, a rotating shaft, and a first flange and a second flange connected to both ends of the cylinder, and a moving disk arranged eccentrically relative to the cylinder is inside the cylinder , the first chamber is formed between the cylinder, the first flange, the second flange and the moving plate, and the neck of the second flange is arranged inside the moving plate, so that a second chamber is formed between the moving plate and the second flange. chambers, wherein the first chamber includes a first suction chamber and a first compression chamber that are isolated from each other, and a first suction port that communicates the first suction chamber with the outside world is provided on the cylinder; the second chamber includes The second suction chamber and the second compression chamber are separated from each other, and the second suction port connecting the first suction chamber and the second suction chamber is provided on the moving disk; the rotating shaft runs through the cylinder, the moving disk and the first flange And it is connected with the second flange, and the eccentric portion of the rotating shaft is sleeved on the moving disk. The pump body of the compressor of the present invention can effectively improve the space utilization rate of the air cylinder.

Description

Compressor pump body and compressor

technical field

The invention relates to the technical field of compression, in particular to a compressor pump body and a compressor.

Background technique

In the prior art, single-cylinder rolling-rotor compressors are widely used in household and commercial air conditioners and refrigeration devices. In order to broaden the scope of use of such compressors, a double-cylinder rolling-rotor compressor has been developed in recent years. Although the displacement of the above-mentioned double-cylinder rolling rotor compressor is increased, the height of the compressor is also correspondingly increased, and the assembly of the compressor is correspondingly complicated, and the space utilization ratio of the cylinder of the double-cylinder compressor is different from that of the single-cylinder The space utilization of the cylinders of the compressor is the same.

Contents of the invention

The invention aims to provide a compressor pump body and a compressor which improve the space utilization rate of the compressor.

In order to achieve the above object, the present invention provides a compressor pump body according to one of its aspects, which includes a cylinder, a rotating shaft, and a first flange and a second flange connected to both ends of the cylinder. The first chamber is formed between the cylinder, the first flange, the second flange and the moving disk, and the neck of the second flange is set inside the moving disk, so that the first chamber is formed between the moving disk and the second flange. Two chambers, wherein the first chamber includes a first suction chamber and a first compression chamber which are isolated from each other, and the cylinder is provided with a first suction port which communicates the first suction chamber with the outside world; the second chamber It includes a second suction chamber and a second compression chamber that are isolated from each other, and a second suction port that communicates with the first suction chamber and the second suction chamber is provided on the moving disk; the rotating shaft runs through the cylinder, the moving disk and the first method. The flange is connected with the second flange, and the eccentric part of the rotating shaft is sleeved on the moving disk.

Further, it also includes a first sliding piece, a first sliding piece installation groove is opened on the cylinder, a second sliding piece installation groove is opened on the neck of the second flange, and the two ends of the first sliding piece are respectively arranged on the first In the sliding piece installation groove and the second sliding piece installation groove, there is an avoidance gap on the moving plate to avoid the first sliding piece, and the first sliding piece and the neck of the second flange isolate the second chamber to form the second suction chamber and the second compression chamber.

Further, the two opposite surfaces of the escape notch are provided with inwardly concave arc-shaped walls, and a slider is arranged inside the arc-shaped wall, and the slider includes an arc-shaped surface adapted to the arc-shaped wall and connected to the A slider is respectively arranged on the bottom surface of the two edges of the arc surface, and on both sides of the first sliding piece.

Further, the pump body of the compressor also includes a second sliding piece arranged between the first flange and the first sliding piece, and a hole communicating with the first sliding piece installation groove is opened on the surface of the cylinder and the first flange. The third sliding piece installation groove, the fourth sliding piece installation groove is opened on the surface of the moving plate and the first flange, the first end of the second sliding piece is slidably arranged in the third sliding piece installation groove, and the second sliding piece is installed in the groove. The second ends of the two slides are hinged in the installation groove of the fourth slide to form a motion matching part that enables the moving plate to move with the second slide, and the first slide, the second slide and the moving plate connect the first cavity The chamber isolation forms a first suction chamber and a first compression chamber.

Further, the end of the rotating disk close to the first flange has a rotation fitting portion extending radially inward and fitting with the eccentric portion of the rotating shaft.

Further, the first suction port and the second suction port are located on the same side of the first sliding piece and both are close to the first sliding piece.

Further, the first flange is provided with a first gas outlet communicating with the first compression chamber, the second flange is provided with a second gas outlet communicating with the second compression chamber, the first gas outlet and the second gas outlet They are all located on the side of the first slide away from the first suction port and are close to the first slide.

Further, the outer wall of the moving disk is always in contact with the inner wall of the cylinder, and the inner wall of the moving disk is always in contact with the neck of the second flange.

Further, a plurality of through holes are opened on the first flange corresponding to the positions of the moving disk.

According to another aspect of the present invention, a compressor is provided, including a compressor pump body and a motor, and the compressor pump body is the compressor pump body mentioned above.

In the technical solution of the present invention, while the first chamber is formed in the cylinder, a second chamber is also formed in the moving disk, and the moving disk compresses the gas in the first chamber while moving eccentrically relative to the cylinder The neck of the second flange moves eccentrically to compress the gas in the second chamber, and finally the moving plate completes two gas compressions in one movement, which is different from the single-cylinder compressor or double-cylinder compressor in the prior art. Compared with the cylinder of the compressor pump body of the present invention, the quantity of compressed gas is effectively increased under the same volume, and the space utilization rate and compression efficiency of the cylinder are improved.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 shows the explosion schematic diagram of Embodiment 1 of the compressor pump body according to the present invention;

Fig. 2 shows a schematic top view sectional view of the compressor pump body of Fig. 1;

Fig. 3 shows a schematic longitudinal sectional view of the compressor pump body of Fig. 1 at a first angle;

Fig. 4 shows a schematic longitudinal sectional view of a second angle of the pump body of the compressor of Fig. 1;

Fig. 5 shows the schematic diagram of the three-dimensional structure of the cylinder of the compressor pump body of Fig. 1;

Fig. 6 shows a schematic cross-sectional view of the cylinder of the compressor pump body of Fig. 5;

Fig. 7 shows a schematic diagram of the three-dimensional structure of the moving plate of the compressor pump body of Fig. 1;

Fig. 8 shows a schematic perspective view of the three-dimensional structure of the cooperation between the moving plate and the second sliding piece in Fig. 1;

Fig. 9 shows a schematic top view of the cooperation between the moving plate and the second sliding piece in Fig. 8;

Fig. 10 shows a schematic perspective view of the first flange of the compressor pump body of Fig. 1;

Fig. 11 shows a schematic perspective view of the second flange of the compressor pump body of Fig. 1; and

Fig. 12 shows a schematic longitudinal sectional view of Embodiment 2 of the compressor pump body according to the present invention.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

Referring to Figures 1 to 4, it can be seen from the figures that the compressor pump body of Embodiment 1 includes: a cylinder 10, a rotating shaft 20, a first flange 30, a second flange 40 and a moving plate 50, wherein the first A flange 30 and a second flange 40 are respectively connected to both ends of the cylinder 10, the first flange 30, the second flange 40, the cylinder 10 and the moving plate 50 arranged inside the cylinder 10 together form a compressor pump The first chamber 61 of the body, and the movable plate 50 is set eccentrically relative to the cylinder 10 . The neck portion 41 of the second flange is disposed inside the moving disk 50 , so that the second chamber 62 is enclosed between the moving disk 50 and the second flange 40 . The first chamber 61 includes a first suction chamber and a first compression chamber that are isolated from each other, and the second chamber 62 includes a second suction chamber and a second compression chamber that are isolated from each other. The air chamber communicates with the outside world with the first suction port 11, the moving plate 50 is provided with a second suction port 51 communicating with the first suction chamber and the second suction chamber, and the rotating shaft 20 runs through the cylinder 10 and the first flange 30 and the moving plate 50 , and the end of the rotating shaft 20 close to the second flange 40 abuts on the second flange 40 or passes through the second flange 40 or passes through the second flange 40 . The eccentric portion 21 of the rotating shaft 20 is sheathed on the moving disk 50 .

In the compressor pump body of this embodiment, the first chamber 61 is formed in the cylinder 10, and the second chamber 62 is also formed in the moving disk 50, and the moving disk 50 compresses the first chamber 61 when it moves eccentrically relative to the cylinder 10. At the same time, the gas inside the second flange 40 also performs an eccentric movement relative to the neck 41 of the second flange 40, compressing the gas in the second chamber 62, and finally the moving plate 50 completes two compressions of the gas during one movement, which is different from the existing one. Compared with single-cylinder compressors or double-cylinder compressors in the prior art, the cylinder 10 of the compressor pump body in this embodiment effectively increases the amount of compressed gas under the same volume, and improves the space utilization of the cylinder 10 rate and compression efficiency.

In order to discharge the compressed gas out of the pump body of the compressor, a first air outlet 31 is provided on the first flange 30 to communicate the first compression chamber with the outside world, and a first gas outlet 31 is provided on the second flange 40 to allow the second compression chamber to communicate with the outside world. The second gas outlet 42 that communicates with the outside world, in order to ensure the gas pressure in the first compression chamber and the second compression chamber, glands are respectively provided at the first gas outlet 31 and the second gas outlet 42, when the first compression During the compression process of the gas in the first compression chamber and the second compression chamber, the gas pressure gradually increases. When the gas pressure reaches the preset value, the compressed gas pushes back the gland to exhaust the first compression chamber and the second compression chamber. action.

As shown in Figures 5 to 9, in Embodiment 1, the moving plate 50 is in the shape of a barrel, and its opening surface is attached to the second flange 40. At the same time, the bottom surface of the moving plate 50 is provided with The eccentric part 21 on the rotating shaft 20 cooperates with the round hole so that the bottom surface forms a rotating fitting part 53. During the rotation of the rotating shaft 20, the eccentric part 21 drives the rotating fitting part 53 to move, and then drives the moving plate 50 to make the moving plate 50 move. The disc 50 moves eccentrically relative to the cylinder 10 . A first sliding piece 71 is also arranged between the cylinder 10 and the neck 41 of the second flange, the first end of the first sliding piece 71 is arranged in the first sliding piece installation groove 12, the first sliding piece 71 of the first sliding piece The two ends are arranged in the second sliding vane installation groove 411, and the first sliding vane installation groove 12 is opened on the inner wall of the cylinder 10, and the second sliding vane installation groove 411 is opened on the neck 41 of the second flange. 10 and the neck 41 of the second flange is provided with a moving plate 50, so the moving plate 50 is provided with an avoidance gap 521 for avoiding the first sliding piece 71 so that the two ends of the first sliding piece 71 are respectively connected to the cylinder. and on the neck of the second flange. The first sliding piece 71 is fixed, and its purpose is to isolate the second suction chamber and the second compression chamber in the second chamber 62 through the first sliding piece 71 and the neck portion 41 of the second flange.

The pump body of the compressor in this embodiment is provided with the first sliding vane 71, and the second sliding vane 73 is also provided between the first sliding vane 71 and the first flange 30. The first sliding vane 73 of the second sliding vane 73 One end is arranged in the third sliding piece installation groove 13, the second end of the second sliding piece 73 is a cylindrical end, and the cylindrical end is hinged in the fourth sliding piece installation groove 522, and the above-mentioned third sliding piece installation groove 13 is a through groove opened radially on the surface of the cylinder 10 adjoining the first flange 30 , so that the first end of the second sliding piece 73 is slidably disposed in the third sliding piece installation groove 13 . The fourth sliding piece installation groove 522 is arranged on the moving plate 50, is located between the escape notch and the first flange, and communicates with the avoiding channel opening. This arrangement makes the second sliding piece 73, the first sliding piece 71 and the moving plate 50 work together to isolate the first chamber 61 from the first suction chamber and the second compression chamber, while also avoiding setting an isolation layer between the fourth slide mounting groove 522 and the avoidance gap, the setting of the isolation layer will be incompatible with The first sliding vane and the second sliding vane will produce greater friction, which affects the movement of the sliding vanes and increases the friction loss of the sliding vanes, affecting the work of the pump body. Preferably, the third slide installation groove 13 communicates with the first slide installation groove 11 .

The arrangement of the first sliding piece 71 limits the moving plate 50 to only move linearly along the first sliding piece 71 through the avoidance gap 521 . In order to ensure that the outer wall of the moving plate 50 is always in contact with the inner wall of the cylinder 10 when it is in motion, and that its inner wall is always in contact with the neck 41 of the second flange, the two oppositely arranged flanges of the avoidance gap 521 The surface is provided with an inwardly concave arc wall, and a slider 72 is arranged in each arc wall, and each slider 72 includes an arc surface matched with the arc wall and connected to the The bottom surface between the two edges of the arc-shaped surface, and the first sliding piece 71 passes through the clamped space between the two bottom surfaces, so that the moving plate 50 drives the sliding plate through the arc-shaped wall during the process of moving along the first sliding piece 71. The block 72 moves together along the first sliding piece 71. Preferably, the arc-shaped surface of the arc-shaped wall arranged on the moving plate 50 should be smaller than the arc-shaped surface of the sliding block 72, so that the moving plate 50 can move linearly while moving It is also possible to swing at a certain angle around the arc surface of the slide block 72 through the arc wall, and at the same time, the second end of the second slide piece 73 is hingedly connected with the fourth slide piece groove, so that the second slide piece 73 The second end forms a kinematic matching portion, so that the moving plate 50 can also swing at a certain angle around the second end of the second sliding piece 73 through the fourth sliding piece installation groove 522 while doing linear motion, preventing the second sliding piece 73 from swinging at a certain angle. The rotation of the moving plate 50 is interfered, so that while the moving plate 50 maintains an inscribed state relative to the cylinder 10 , the moving plate 50 also maintains a circumscribed state relative to the neck portion 41 of the second flange. At the same time, when the moving plate 50 moves linearly, it will inevitably drive the second sliding piece 73 which is hinged with it to move together, so the first end of the second sliding piece 73 is movably arranged in the third sliding piece installation groove 13 . When the compressor is compressed, there will be an oil film between the first slide plate 71 and the second slide plate 73 and between the first slide plate 71 and the slide block 72, so that the oil film between the first slide plate 71 and the second slide plate 73 A sealing structure is formed, and a sealing structure is formed between the first sliding plate 71 and the sliding block 72 to prevent gas from entering the gap between the first sliding plate 71 and the second sliding plate 73 or between the first sliding plate 71 and the sliding block 72. There is a leak in the crevice.

In this embodiment, the constant contact state between the moving plate 50 and the cylinder 10 and the constant contact state between the moving plate 50 and the neck 41 of the second flange 40 refer to: the outer wall of the moving plate 50 and the cylinder 10 While the inner walls are always in line contact, the moving plate 50 is always in line contact with the neck 41 of the second flange 40, that is, in the radial section, the outer wall of the moving plate 50 is inscribed on the cylinder 10. At the same time, the inner wall of the rotor 50 is circumscribed to the neck 41 of the second flange 40 .

As described above, the movement of the rotating disk 50 is driven by the rotating shaft 20 using the eccentric portion 21 disposed thereon. Driven by the rotating shaft 20 , the moving disk 50 simultaneously moves linearly along the first sliding piece 71 and swings around the slider 72 . Under the joint action of the two movements, the outer wall of the moving disk 50 moves periodically along the inner wall of the cylinder 10 , the inner wall of the moving disk 50 moves periodically along the outer wall of the neck 41 of the second flange, realizing the periodic suction-compression-exhaust in the first chamber 61 and the second chamber 62 Compression process, and the compression process in the first chamber 61 and the second chamber 62 is carried out simultaneously. In order to achieve the purpose of synchronizing the compression process in the first chamber 61 and the second chamber 62, the first suction port 11 of the first chamber 61 and the second suction port 51 of the second chamber 62 are arranged at the second On the same side of a sliding piece 71 and the first suction port 11 and the second suction port 51 are close to the first sliding piece 71, the first air outlet 31 of the first compression chamber and the second air outlet 42 of the second compression chamber are arranged On the side of the first sliding piece 71 away from the first suction port 11, and the first air outlet 31 and the second air outlet 42 are close to the first sliding piece 71, so that the gas in the first compression chamber and the second compression chamber get full compression.

When the gas is compressed, it will form a high pressure, and the effect of the high pressure will make the first flange 30 and the moving plate 50 closely fit, thereby increasing the friction between the first flange 30 and the moving plate 50, in order to reduce the first flange 30 and the moving plate 50. Friction between the flange 30 and the moving disk 50, a plurality of through holes 32 are opened on the first flange 30 corresponding to the part of the moving disk 50, and the plurality of through holes 32 are all communicated with the high pressure side outside, providing high Back pressure, by balancing the high back pressure with the high pressure in the pump body of the compressor, the friction between the first flange 30 and the moving plate 50 is reduced. Preferably, the through hole 32 is a waist-shaped hole extending along the circumferential direction, and the waist-shaped holes are arranged on the same circumference, so that the force on the moving plate 50 is uniform.

As shown in FIG. 10 and FIG. 11 , the first flange 30 in this embodiment is an upper flange, and the second flange 40 is a lower flange.

Fig. 12 shows the longitudinal sectional view of embodiment two of the compressor pump body of the present invention, as can be seen from the figure, the difference between the compressor pump body of embodiment two and embodiment one is that embodiment two is formed by the structure of embodiment one It is formed by inversion setting, that is, the second flange is the upper flange, the first flange is the lower flange, the moving plate 50 cooperates with the upper flange to form the second chamber 62, and the neck of the upper flange forms the second flange The neck 41, and the second sliding piece 73 is arranged between the first sliding piece 71 and the lower flange. In the second embodiment, the first air outlet 31 and the second air outlet 42 can also be opened on the upper flange at the same time.

The present invention also provides a compressor, which includes a compressor pump body and a motor according to an embodiment of the compressor, wherein the compressor pump body is the above-mentioned compressor pump body, and the compressor of the present invention achieves the following technical effects: The pump body of the compressor in this embodiment has a simple structure and is easy to assemble. It can effectively increase the amount of gas compression under the same volume. Compared with the existing two-cylinder compressor with overturning torque, the compressor of this embodiment is more balanced. Good, it can reduce vibration, noise and wear, and improve the service life of the compressor.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. a compressor pump, it is characterized in that, including cylinder (10), rotating shaft (20) and be connected to the first flange (30) and second flange (40) at described cylinder (10) two ends, the internal Moving plate (50) with the most described cylinder (10) eccentric setting of described cylinder (10), described cylinder (10), first flange (30), the first chamber (61) is formed between second flange (40) and Moving plate (50), the cervical region (41) of described second flange is arranged on the inside of described Moving plate (50), make to be formed between described Moving plate (50) and described second flange (40) the second chamber (62), wherein,

Described first chamber (61) includes the first suction muffler and first compression chamber of mutually isolated setting, and described cylinder (10) is provided with the first air entry (11) making described first suction muffler be in communication with the outside；

Described second chamber (62) includes the second suction muffler and second compression chamber of mutually isolated setting, and described Moving plate (50) is communicated with second air entry (51) of described first suction muffler and the second suction muffler；

Described rotating shaft (20) runs through described cylinder (10), Moving plate (50) and described first flange (30) and is connected with described second flange (40), and the eccentric part (21) of described rotating shaft (20) is set on described Moving plate (50).

Compressor pump the most according to claim 1, it is characterized in that, also include the first slide plate (71), the first slide plate mounting groove (12) is offered on described cylinder (10), the second slide plate mounting groove (411) is offered on the cervical region (41) of described second flange, the two ends of described first slide plate (71) are separately positioned in described first slide plate mounting groove (12) and the second slide plate mounting groove (411), be provided with on described Moving plate (50) dodge described first slide plate (71) dodge breach (521), the isolation of described second chamber (62) is formed described second suction muffler and the second compression chamber with the cervical region (41) of described second flange by described first slide plate (71).

Compressor pump the most according to claim 2, it is characterized in that, all offer, on described be oppositely arranged two surfaces dodging breach (521), the arcwall inwardly concaved, slide block (72) it is provided with in described arcwall, described slide block (72) includes the arcwall face adaptive with described arcwall and is connected to the bottom surface of two edges of described arcwall face, and the both sides of described first slide plate (71) are respectively arranged with a described slide block (72).

nullCompressor pump the most according to claim 2，It is characterized in that，Described compressor pump also includes the second slide plate (73) being arranged between described first flange (30) and described first slide plate (71)，The 3rd slide plate mounting groove (13) connected with described first slide plate mounting groove (12) is offered with described first flange (30) on the surface that described cylinder (10) is fitted，Described Moving plate (50) offers the 4th slide plate mounting groove (522) on the surface of described first flange laminating，First end of described second slide plate (73) is slidably disposed in described 3rd slide plate mounting groove (13)，Second end of described second slide plate (73) is hinged in described 4th slide plate mounting groove (522)，Formation makes the motion auxiliary section that described Moving plate (50) can move with described second slide plate (73)，And described first slide plate (71)、The isolation of described first chamber (61) is formed described first suction muffler and the first compression chamber with described Moving plate (50) by the second slide plate (73).

Compressor pump the most according to claim 1, it is characterised in that described Moving plate (50) has, near one end of described first flange (30), the rotation cooperating portion (53) that radially inwardly extending and with described rotating shaft (20) eccentric part (21) coordinates.

Compressor pump the most according to claim 2, it is characterised in that described first air entry (11) and described second air entry (51) are positioned at the homonymy of described first slide plate (71) and are close to described first slide plate (71).

Compressor pump the most according to claim 6, it is characterized in that, the first gas outlet (31) connected with described first compression chamber is offered on described first flange (30), offering the second gas outlet (42) connected with described second compression chamber on described second flange (40), described first gas outlet (31) and the second gas outlet (42) are respectively positioned on described first slide plate (71) and deviate from the side of described first air entry (11) and be close to described first slide plate (71).

Compressor pump the most according to claim 1, it is characterised in that the outer wall of described Moving plate (50) contacts all the time with the inwall of described cylinder (10), contacts between the inwall of described Moving plate (50) and the cervical region of described second flange (40) all the time.

Compressor pump the most according to claim 1, it is characterised in that on described first flange (30), the position corresponding to described Moving plate (50) offers multiple through hole (32).

10. a compressor, it is characterised in that include that compressor pump and motor, described compressor pump are the compressor pump according to any one of claim 1 to 9.