阅读说明：本技术 用于压缩机的压缩机构及压缩机 (Compression mechanism for compressor and compressor ) 是由 钟升 梁自强 于 2018-07-18 设计创作，主要内容包括：本发明公开了一种用于压缩机的压缩机构及压缩机,所述压缩机构包括用于依次套在压缩机的旋转轴上的上轴承(100)、具有第一压缩腔的上气缸(200)、中隔板、具有第二压缩腔的下气缸(400)以及下轴承(500),上轴承上设置有用于第一压缩腔内的气体排出的第一排气阀座(103),下轴承上设置有用于第二压缩腔内的气体排出的第二排气阀座(503)；中隔板上设置有排气腔室以及第三排气阀座(305)和第四排气阀座(605),第一压缩腔内的气体通过第三排气阀座进入排气腔室并从排气腔室排出,第二压缩腔内的气体通过第四排气阀座进入排气腔室并从排气腔室排出。本发明提供的压缩机构及压缩机,可以有效减少压缩机在排气时的过压缩损失,提高压缩机的性能。(The invention discloses compression mechanisms for compressors and compressors, wherein the compression mechanisms comprise an upper bearing (100), an upper cylinder (200) with a compression cavity, a middle partition plate, a lower cylinder (400) with a second compression cavity and a lower bearing (500), which are sequentially sleeved on a rotating shaft of the compressor, the upper bearing is provided with a exhaust valve seat (103) for exhausting gas in a compression cavity, the lower bearing is provided with a second exhaust valve seat (503) for exhausting gas in the second compression cavity, the middle partition plate is provided with an exhaust cavity, a third exhaust valve seat (305) and a fourth exhaust valve seat (605), the gas in the compression cavity enters the exhaust cavity through the third exhaust valve seat and is exhausted from the exhaust cavity, and the gas in the second compression cavity enters the exhaust cavity through the fourth exhaust valve seat and is exhausted from the exhaust cavity.)

The compression mechanism for the compressor is characterized by comprising an upper bearing (100), an upper cylinder (200) with a -th compression cavity (204), a middle partition plate, a lower cylinder (400) with a second compression cavity (404) and a lower bearing (500), wherein the upper bearing (100) is sequentially sleeved on a rotating shaft of the compressor, the upper cylinder (200) is provided with a -th exhaust valve seat (103) for exhausting gas in the -th compression cavity (204), and the lower bearing (500) is provided with a second exhaust valve seat (503) for exhausting gas in the second compression cavity (404);

the middle partition plate is provided with an exhaust chamber, a third exhaust valve seat (305) and a fourth exhaust valve seat (605), gas in the compression chamber (204) can enter the exhaust chamber through the third exhaust valve seat (305) and be exhausted from the exhaust chamber, and gas in the second compression chamber (404) can enter the exhaust chamber through the fourth exhaust valve seat (605) and be exhausted from the exhaust chamber.

2. The compression mechanism of claim 1, wherein the middle partition plate comprises a th partition plate (300) and a second partition plate (600) which are stacked in an abutting manner from , wherein a side of the th partition plate (300) facing the second partition plate (600) is provided with a th groove (304), a side of the second partition plate (600) facing the th partition plate (300) is provided with a second groove (604), and wherein the th groove (304) and the second groove (604) form the exhaust chamber when the th partition plate (300) and the second partition plate (600) are stacked in an abutting manner from ;

the third exhaust valve seat (305) is disposed on a surface of the th diaphragm (300) facing the upper cylinder (200), and a third exhaust hole (303) of the third exhaust valve seat (305) communicates with the th groove (304), the fourth exhaust valve seat (605) is disposed on a surface of the second diaphragm (600) facing the lower cylinder (400), and a fourth exhaust hole (603) of the fourth exhaust valve seat (605) communicates with the second groove (604).

3. The compression mechanism of claim 2, wherein the -th groove (304) is a -th annular groove disposed about a center of the -th partition (300), and the second groove (604) is a second annular groove disposed about a center of the second partition (600) and corresponding in position to the -th annular groove.

4. The compressing mechanism as claimed in claim 2, wherein the baffle plate (300) is provided with a third through hole (302) communicated with the groove (304), the upper cylinder (200) is provided with a second through hole (202) communicated with the third through hole (302), the upper bearing (100) is provided with a through hole (102) communicated with the second through hole (202), and the gas in the exhaust chamber is exhausted along the third through hole (302), the second through hole (202) and the through hole (102) in sequence.

5. The compression mechanism according to claim 4, wherein the second diaphragm (600) is provided with a fourth through hole (602) communicating with the second groove (604) and with the third through hole (302), the lower cylinder (400) is provided with a fifth through hole (402) communicating with the fourth through hole (602), and the lower bearing (500) is provided with a sixth through hole (502) communicating with the fifth through hole (402).

6. The compression mechanism as claimed in claim 5, wherein the through-holes (102) are provided in two or more, and the second through-hole (202), the third through-hole (302), the fourth through-hole (602), the fifth through-hole (402), and the sixth through-hole (502) are provided in two or more corresponding to the through-hole (102), respectively;

the th through hole (102), the second through hole (202), the third through hole (302), the fourth through hole (602), the fifth through hole (402), and the sixth through hole (502) that correspond to each other are axially aligned.

7. The compression mechanism according to claim 2, wherein the -th exhaust valve seat (103), the second exhaust valve seat (503), the third exhaust valve seat (305), and the fourth exhaust valve seat (605) have exhaust valve holes corresponding in position in an extending direction parallel to a rotation center of the rotation shaft.

8. The compression mechanism as claimed in any one of claims 2 to 7 , wherein the upper cylinder (200) is provided with an air inlet hole (201) and a gas distribution hole (206) communicated with the air inlet hole (201), the th partition plate (300) is provided with a th air inlet hole (301) communicated with the gas distribution hole (206), the second partition plate (600) is provided with a second air inlet hole (601) communicated with the th air inlet hole (301), and the upper end surface of the lower cylinder (400) is provided with a third air inlet hole (401) communicated with the second air inlet hole (601) and extending to the second compression chamber (404) of the lower cylinder (400).

9. The compression mechanism according to claim 8, wherein the third air intake hole (401) extends obliquely from an upper end surface of the lower cylinder (400) to the second compression chamber (404).

10, compressor, characterized in that, the compressor includes a compression mechanism according to any of claims 1-9.

Technical Field

The invention relates to the technical field of compressors, in particular to compression mechanisms for compressors and a compressor.

Background

Disclosure of Invention

The invention aims to solve the problem that the compressor in the prior art has the problem that the efficiency and the performance of the compressor are influenced by the over-compression loss caused by the driving of refrigerant gas in a cylinder.

In order to achieve the above object, the aspect of the present invention provides compression mechanisms for a compressor, including an upper bearing, an upper cylinder with a th compression cavity, a middle partition plate, a lower cylinder with a second compression cavity, and a lower bearing, which are sequentially sleeved on a rotating shaft of the compressor, wherein the upper bearing is provided with a th exhaust valve seat for exhausting gas in the th compression cavity, and the lower bearing is provided with a second exhaust valve seat for exhausting gas in the second compression cavity;

the middle partition plate is provided with an exhaust chamber, a third exhaust valve seat and a fourth exhaust valve seat, the gas in the th compression cavity can enter the exhaust chamber through the third exhaust valve seat and be exhausted from the exhaust chamber, and the gas in the second compression cavity can enter the exhaust chamber through the fourth exhaust valve seat and be exhausted from the exhaust chamber.

Preferably, the middle partition plate comprises a th partition plate and a second partition plate which are overlapped together at , wherein a side of the th partition plate facing the second partition plate is provided with a th groove, a side of the second partition plate facing the th partition plate is provided with a second groove, and the th groove and the second groove form the exhaust chamber when the th partition plate and the second partition plate are overlapped at ;

the third exhaust valve seat is arranged on the surface of the th partition plate facing the upper cylinder, the third exhaust hole of the third exhaust valve seat is communicated with the th groove, the fourth exhaust valve seat is arranged on the surface of the second partition plate facing the lower cylinder, and the fourth exhaust hole of the fourth exhaust valve seat is communicated with the second groove.

Preferably, the th groove is a th annular groove disposed around the center of the th partition plate, and the second groove is a second annular groove disposed around the center of the second partition plate and corresponding to the position of the th annular groove.

Preferably, a third through hole communicated with the groove is formed in the partition plate, a second through hole communicated with the third through hole is formed in the upper cylinder, a through hole communicated with the second through hole is formed in the upper bearing, and gas in the exhaust cavity is discharged sequentially through the third through hole, the second through hole and the through hole.

Preferably, a fourth through hole communicated with the second groove and communicated with the third through hole is formed in the second partition plate, a fifth through hole communicated with the fourth through hole is formed in the lower cylinder, and a sixth through hole communicated with the fifth through hole is formed in the lower bearing.

Preferably, the th through hole is provided with two or more, and the second through hole, the third through hole, the fourth through hole, the fifth through hole and the sixth through hole are respectively provided with two or more corresponding to the th through hole;

the th, second, third, fourth, fifth, and sixth through-holes that correspond to each other are axially aligned.

Preferably, the th, second, third and fourth exhaust valve seats have exhaust valve holes corresponding in position in an extending direction parallel to a rotation center of the rotation shaft.

Preferably, the upper cylinder is provided with an air inlet hole and a gas distribution hole communicated with the air inlet hole, the th partition plate is provided with a th air inlet hole communicated with the gas distribution hole, the second partition plate is provided with a second air inlet hole communicated with the th air inlet hole, and the upper end surface of the lower cylinder is provided with a third air inlet hole communicated with the second air inlet hole and extending to the second compression cavity of the lower cylinder.

Preferably, the third air intake hole extends obliquely from an upper end surface of the lower cylinder to the second compression chamber.

According to another aspect of the invention, there is also provided compressors including a compression mechanism as described above.

In the compression mechanism and the compressor provided by the invention, the compressed gas in the th compression cavity of the upper cylinder can be discharged through the two exhaust channels, and the compressed gas in the second compression cavity of the lower cylinder can also be discharged through the two exhaust channels.

Drawings

FIG. 1 is a sectional view of a double-cylinder rotary compressor in the prior art (showing a double suction structure);

FIG. 2 is another cut-away structural schematic diagram of a prior art two-cylinder rotary compressor (showing a double exhaust structure);

fig. 3 is a cross-sectional view schematically illustrating a rotary compressor in embodiments according to the present invention;

FIG. 4 is another cut-away structural schematic view of the rotary compressor shown in FIG. 3;

FIG. 5 is a schematic structural view of an upper bearing;

FIG. 6 is a schematic structural view of the upper cylinder;

FIG. 7 is a cross-sectional view taken along A-A of FIG. 6;

FIG. 8 is a schematic structural view of an th separator;

FIG. 9 is a cross-sectional view taken along line C-C of FIG. 8;

FIG. 10 is a cross-sectional view taken along line D-D of FIG. 8;

FIG. 11 is a schematic structural view of a second separator;

FIG. 12 is a cross-sectional view along E-E of FIG. 11;

FIG. 13 is a cross-sectional view taken along F-F of FIG. 11;

FIG. 14 is a schematic view of the construction of the lower cylinder;

FIG. 15 is a cross-sectional view taken along line B-B of FIG. 14;

fig. 16 is a schematic structural view of the lower bearing.

Description of the reference numerals

100 ' -upper bearing, 101 ' - th exhaust valve seat, 102 ' - th exhaust through hole, 200 ' -upper cylinder, 201 ' - th air suction hole, 202 ' -second exhaust through hole, 300 ' -middle partition plate, 302 ' -third exhaust through hole, 400 ' -lower cylinder, 401 ' -second air suction hole, 402 ' -fourth exhaust through hole, 500 ' -lower cylinder, 501 ' -second exhaust valve seat, 502 ' -fifth exhaust through hole, 700 ' -reservoir, 701 ' - suction elbow, 702 ' -second suction elbow, 900 ' -main shell and 901 ' -inner cavity;

100-upper bearing, 101-third exhaust hole, 102- through hole, 103- exhaust valve seat, 200-upper cylinder, 201-air inlet hole, 202-second through hole, 203-third exhaust notch, 204-third compression cavity, 205-second exhaust notch, 206-air distribution hole, 300-third clapboard, 301-third air inlet hole, 302-third through hole, 303-third exhaust hole, 304-third groove, 305-third exhaust valve seat, 400-lower cylinder, 401-third air inlet hole, 402-fifth through hole, 403-third exhaust notch, 404-second compression cavity, 405-fourth exhaust notch, 500-lower bearing, 501-second exhaust hole, 502-sixth through hole, 503-second exhaust valve seat, 600-second clapboard, 601-second air inlet hole, 602-fourth through hole, 604-fourth exhaust hole, 500-second groove, 700-fourth exhaust hole, 700-exhaust valve seat, 800-lower muffler seat, 801-lower muffler inner cavity, 801-second air inlet hole, 601-second air inlet hole, 602-fourth through hole, 604-fourth exhaust hole, housing, 700-fourth exhaust hole, 700-800-lower muffler seat, 801 inner cavity, and 900-inner cavity of the main.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. The term "inside" and "outside" refer to the inside and the outside of the contour of each member itself.

Thus, a feature defined as "", "second" may explicitly or implicitly include at least of that feature.

The invention provides compression mechanisms for compressors, as shown in fig. 3 and fig. 4, the compression mechanism comprises an upper bearing 100, an upper cylinder 200 with a compression chamber 204, a middle partition plate, a lower cylinder 400 with a second compression chamber 404 and a lower bearing 500 which are sequentially sleeved on a rotating shaft of the compressor, wherein the upper bearing 100 is provided with a exhaust valve seat 103 for exhausting gas in the compression chamber 204, and the lower bearing 500 is provided with a second exhaust valve seat 503 for exhausting gas in the second compression chamber 404, wherein the exhaust valve seat 103 and the second exhaust valve seat 503 are both provided with exhaust holes and are used for installing exhaust valves, when exhausting, compressed gas pushes the exhaust valves through pressure and then is exhausted from the exhaust holes (the third exhaust valve seat 305 and the fourth exhaust valve seat 605 are similar).

The middle partition plate is provided with an exhaust chamber, a third exhaust valve seat 305 and a fourth exhaust valve seat 605, the gas in the th compression chamber 204 can enter the exhaust chamber through the third exhaust valve seat 305 and be exhausted from the exhaust chamber, and the gas in the second compression chamber 404 can enter the exhaust chamber through the fourth exhaust valve seat 605 and be exhausted from the exhaust chamber.

That is, in the compression mechanism provided by the present invention, the compressed gas in the th compression cavity 204 of the upper cylinder 200 can be discharged through two discharge passages (i.e. the discharge passage discharged through the th discharge valve seat 103 of the upper bearing and the discharge passage discharged through the third discharge valve seat 305 of the middle partition plate), and the compressed gas in the second compression cavity 404 of the lower cylinder 400 can also be discharged through two discharge passages (i.e. the discharge passage discharged through the second discharge valve seat 503 of the lower bearing and the discharge passage discharged through the fourth discharge valve seat 605 of the middle partition plate).

In the embodiment of the present invention, as shown in fig. 3 and 4, the middle partition plate includes a first partition plate 300 and a second 600 partition plate stacked in an abutting manner from , the first 0 partition plate 300 is structured as shown in fig. 8 to 10, the second 600 partition plate is structured as shown in fig. 11 to 13, a side 2 of the first 1 partition plate 300 facing the second 600 partition plate is provided with a 3 groove 304, a side of the second 600 partition plate facing the th partition plate 300 is provided with a second groove 604, the first groove 304 and the second groove 604 are spliced to form the exhaust chamber when the first partition plate 300 and the second 600 are stacked at , the third exhaust valve seat 305 is disposed on a surface of the first partition plate 300 facing the upper cylinder 200, and a third exhaust hole 303 of the third exhaust valve seat 305 is communicated with the first groove 304, the fourth exhaust hole 605 of the fourth exhaust valve seat 305 is disposed on a surface of the second 600 facing the lower cylinder 400, and the fourth exhaust hole 605 of the fourth exhaust valve seat 305 is communicated with a fourth exhaust hole 603 of the fourth partition plate 603 of the compression chamber , thus the compression chamber of the fourth partition plate 603 is disposed in the compression chamber 59204.

Preferably, the th groove 304 is a th annular groove disposed around the center of the th partition plate 300, and the 604 second groove is a second annular groove disposed around the center of the second partition plate 600 and corresponding in position to the th annular groove, so that the exhaust chamber formed by the th groove 304 and the 604 second groove is an annular chamber when the th partition plate 300 and the second partition plate 600 are stacked on .

It will be understood by those skilled in the art that the arrangement of the middle partition plate in the present embodiment includes the th partition plate and the second partition plate stacked at in order to make the internal exhaust chamber and the third and fourth exhaust valve seats easier to machine, however, the arrangement of the middle partition plate is not limited to that in the present embodiment, and for example, the middle partition plate may be provided as a unitary structure, a groove may be provided in the middle partition plate, and the opening of the groove may be closed so that the groove forms the exhaust chamber.

In the present embodiment, the upper bearing 100 is configured as shown in fig. 5, the upper cylinder 200 is configured as shown in fig. 6 and 7, the lower cylinder 400 is configured as shown in fig. 14 and 15, and the lower bearing 500 is configured as shown in fig. 16.

The th partition plate 300 is provided with a third through hole 302 (as shown in fig. 8) communicating with the th groove 304, the upper cylinder 200 is provided with a second through hole 202 communicating with the third through hole 302, the upper bearing 100 is provided with a th through hole 102 (as shown in fig. 4) communicating with the second through hole 202, and the gas in the exhaust chamber of the middle partition plate can be exhausted to the inner chamber of the muffler above the upper bearing 100 along the third through hole 302, the second through hole 202 and the th through hole 102 in sequence and then exhausted from the muffler.

In this embodiment, the second partition plate 600 is provided with a fourth through hole 602 (see fig. 11) communicating with the second groove 604 and with the third through hole 302, the lower cylinder 400 is provided with a fifth through hole 402 communicating with the fourth through hole 602, and the lower bearing 500 is provided with a sixth through hole 502 communicating with the fifth through hole 402.

The compressed gas in the second compression chamber 404 of the lower cylinder 400 is discharged from the second discharge valve seat 503 of the lower bearing 500 and then enters the muffler chamber 801 of the muffler 800 below the lower bearing 500, as shown in fig. 4, and the gas in the muffler chamber 801 can enter the space above the upper bearing 100 along the sixth through hole 502, the fifth through hole 402, the fourth through hole 602, the third through hole 302, the second through hole 202, and the through hole 102 and then be discharged.

Specifically, as shown in fig. 5 in this embodiment, two or more through holes are disposed on the upper bearing 100, as shown in fig. 6, two second through holes 202 are disposed at positions on the upper cylinder 200 corresponding to the two th through holes 102, and similarly, two third through holes 302, four through holes 602, five through holes 402, and six through holes 502 are disposed at positions corresponding to the two th through holes 102.

It should also be understood by those skilled in the art that the exhaust passage from the exhaust chamber of the middle partition plate is not limited to the exhaust passage formed by the through holes provided in the middle partition plate, the upper cylinder and the upper bearing in the present embodiment, and other passages capable of discharging the gas in the exhaust chamber into the internal cavity of the main shell of the compressor may be used.

In the present embodiment, the positions of the exhaust valve holes of the th exhaust valve seat 103, the second exhaust valve seat 503, the third exhaust valve seat 305, and the fourth exhaust valve seat 605 correspond to each other in the extending direction parallel to the rotation center of the rotation shaft.

As shown in fig. 5, the th exhaust valve seat 103 of the upper bearing 100 is provided with a th exhaust hole 101 at the end, as shown in fig. 16, the second exhaust valve seat 503 of the lower bearing 500 is provided with a second exhaust hole 501 at the end, as shown in fig. 8, the third exhaust valve seat 305 of the th partition 300 is provided with a third exhaust hole 303 at the end, as shown in fig. 11, the fourth exhaust valve seat 605 of the second partition 600 is provided with a fourth exhaust hole 603 at the end, and preferably, the th exhaust hole 101, the second exhaust hole 501, the third exhaust hole 303 and the fourth exhaust hole 603 are arranged in axial correspondence with each other (as shown in fig. 4).

The inner wall of the upper cylinder 200 is provided with th exhaust notches 203 and 205 th exhaust notches 205, the th exhaust notches 203 correspond to the positions of th exhaust holes 101, so that the gas in the th compression chamber 204 can enter th exhaust holes 101 along the th exhaust notches 203, the second exhaust notches 205 correspond to the positions of the third exhaust holes 303, so that the gas in the th compression chamber 204 can enter the third exhaust holes 303 along the second exhaust notches 205 and then enter the exhaust chambers of the middle partition plate, similarly, the inner wall of the lower cylinder 400 is provided with a third exhaust notch corresponding to the fourth exhaust hole 603 and a fourth exhaust notch 405 corresponding to the second exhaust hole 501, in this embodiment, the positions of the th exhaust hole 101, the second exhaust hole 501, the third exhaust hole 303 and the fourth exhaust hole 603 correspond to each other in the axial direction, so that the positions of the th exhaust notches 203, the second exhaust notch 205, the third exhaust notch 403 and the fourth exhaust notch 405 may be provided corresponding to each other, and it is convenient for the manufacturing, it is understood that the present person skilled in the present embodiment may understand that the present invention may not be provided that the exhaust notches 203, and the exhaust notches are provided that the exhaust notches are provided corresponding to the exhaust holes 403 in the axial direction of the present invention, and the present embodiment, and the exhaust notches are not limited to the exhaust notches provided that the exhaust notches are provided that the exhaust.

In addition, the technical scheme provided by the invention also changes the technical scheme that the air is supplied to the upper cylinder and the lower cylinder through two air inlet pipes of the liquid storage device in the prior art into supplying air to the upper cylinder and the lower cylinder through air inlet pipes.

Specifically, the upper cylinder 200 is provided with an air inlet hole 201 and a branch air hole 206 (as shown in fig. 6 and 7) communicated with the air inlet hole 201, the th partition 300 is provided with a th air inlet hole 301 communicated with the branch air hole 206, the second partition 600 is provided with a second air inlet hole 601 communicated with the th air inlet hole 301, and the upper end surface of the lower cylinder 400 is provided with a third air inlet hole 401 (as shown in fig. 14 and 15) communicated with the second air inlet hole 601 and extending to the second compression cavity 404 of the lower cylinder 400, so that the air entering the air inlet hole 201 (shown in fig. 3) can enter the second compression cavity 404 of the lower cylinder 400 along the branch air hole 206, the th air inlet hole 301, the second air inlet hole 601 and the third air inlet hole 401, wherein preferably, the third air inlet hole 401 extends from the upper end surface of the lower cylinder 400 to the second compression cavity 404 in an inclined manner.

Like this, the reservoir 700 of compressor only sets up intake pipes and can realize to two cylinder air supplies for the quantity of the intake pipe of reservoir 700 of traditional compressor changes by two, is favorable to reducing the manufacturing degree of difficulty and the cost of compressor.

The following describes in detail the specific processes of discharge and suction of the compressor using the compression mechanism provided by the present invention.

When the compressor sucks air, as shown in fig. 3, the liquid accumulator 700 supplies air to the air inlet 201 of the upper cylinder 200 through the air inlet pipe 701, part of the air in the air inlet 201 enters the compression cavity 204 of the upper cylinder 200, and another part of the air enters the air dividing hole 206, and then enters the second compression cavity 404 of the lower cylinder 400 from the air dividing hole 206 along the th air inlet 301 of the th partition plate 300, the second air inlet 601 of the second partition plate 600, and the third air inlet 401 of the lower cylinder in sequence, so that air can be supplied to the upper cylinder 200 and the lower cylinder 400 simultaneously.

When the compressor discharges air, the refrigerant gas in the compression chamber 204 of the third cylinder of the upper cylinder 200 can be discharged into the shell inner cavity 901 of the main shell 900 of the compressor through the exhaust hole 101 of the third exhaust valve seat 103 of the upper bearing 100, or can enter the shell inner cavity 901 of the main shell 900 of the compressor through the third exhaust hole 303 of the third exhaust valve seat 305 of the partition plate 300, and then can be discharged from the exhaust hole of the shell, then the refrigerant gas in the compression chamber 404 of the lower cylinder 400 can enter the exhaust chamber including the second groove 604 through the third exhaust hole 302 of the fourth exhaust valve seat 605 of the second partition plate, and then can enter the shell inner cavity of the main shell 900 of the compressor through the fourth exhaust hole 603 of the fourth exhaust valve seat 605 of the second partition plate, and then enter the exhaust chamber including the third exhaust hole 302 of the second partition plate 300, then enter the exhaust chamber of the main shell 900 of the compressor through the second through hole 202 of the upper bearing 200, the third through hole of the upper bearing 100, and then can enter the shell inner cavity 901 of the main shell 900 of the compressor through the third exhaust hole 801 of the third exhaust valve seat partition plate 300, the exhaust hole 801 of the compressor, so that the exhaust hole 801 of the compressor can be changed into the form of the exhaust hole 801 of the compressor, the exhaust hole 801 of the rotary compressor, the exhaust hole 801 of the compressor, the rotary compressor, the muffler shell, and the exhaust hole 801 of the compressor, thus the muffler, the muffler inlet 801 of the muffler, the.

According to another aspect of the invention, there is also provided compressors including a compression mechanism as described above.

The compressor provided by the invention can reduce the over-compression loss of the traditional compressor during air exhaust by adopting the compression mechanism, and provides the performance of the compressor, and the air can be supplied to the two cylinders by only arranging air inlet pipes on the liquid storage device, thereby reducing the manufacturing difficulty and cost of the compressor.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, numerous simple modifications can be made to the technical solution of the invention, including combinations of the individual specific technical features in any suitable way. The invention is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.