CN205401136U - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
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- CN205401136U CN205401136U CN201620054796.3U CN201620054796U CN205401136U CN 205401136 U CN205401136 U CN 205401136U CN 201620054796 U CN201620054796 U CN 201620054796U CN 205401136 U CN205401136 U CN 205401136U
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Abstract
The utility model relates to a rotary compressor. The rotary compressor includes a casing, a compression mechanism, and an oil sump. The compression mechanism is disposed within the housing and is in a first pressure environment or a vacuum environment, and the sump is within the housing and is in a second pressure environment, wherein the pressure in the second pressure environment is greater than the pressure in the first pressure environment.
Description
Technical field
This utility model relates to a kind of rotary compressor.
Background technology
Existing rotary compressor mostly is high side compressors, i.e. be the aerofluxus of High Temperature High Pressure in the shell of compressor.Motor, compression mechanism and oil storage tank it is provided with in the shell of compressor.So, during compressor operating, motor, compression mechanism and oil storage tank are under high-pressure high-temperature environment.High temperature and high pressure gas around compression mechanism transfers heat to enter to the low temperature low pressure gas in compression mechanism by admission line, thus reduces the power of compressor and therefore reduces the efficiency of compressor.
Therefore, in this area desired be to provide a kind of can reduce to compression mechanism transmission heat to improve the compressor of efficiency.
Utility model content
One purpose of one or more embodiment of the present utility model is to provide a kind of heat that compression mechanism is transmitted that can reduce to improve efficiency and/or to be conducive to the compressor of lubricant management.
An aspect of the present utility model provides a kind of rotary compression mechanism, including shell, compression mechanism and oil storage tank.Described compression mechanism is arranged in described shell and is under the first pressure environment or vacuum environment, and described oil storage tank is in described shell and is under the second pressure environment, and wherein, the pressure in described second pressure environment is more than the pressure in the first pressure environment.Such as, the pressure in the first pressure environment can less than or equal to pressure of inspiration(Pi), and the pressure in described second pressure environment can be pressure at expulsion.
In above-mentioned rotary compression mechanism, due to, compression mechanism is under lower pressure environment or vacuum environment, therefore, it can reduce the Heat Transfer Influence to compressing in-house gas, thus can improve the efficiency of compression mechanism and compressor.Further, since oil storage tank is under environment under high pressure, this circulation being conducive to lubricating oil and management.
Oil storage tank may be located at the side of described compression mechanism.It addition, rotary compressor also includes motor, motor is positioned at the side contrary with oil storage tank of compression mechanism in the enclosure and is also under the second pressure environment.
Preferably, rotary compressor also includes laying respectively at compression mechanism both sides for supporting compression the first support portion of mechanism and the second support portion, the first support portion and the second support portion.First support portion and/or the second support portion and shell gas-tight seal it is connected, in order between the first support portion and the second support portion, form the first pressure environment or vacuum environment.
Preferably, the first support portion and/or the second support portion are soldered to shell.
Preferably, between the first support portion and shell, it is provided with sealing device；And/or it is provided with sealing device between the second support portion and shell.Such as, sealing device can be O.
Preferably, the first support portion is provided with the first cavity；And/or in the second support portion, it is provided with the second cavity.First cavity and/or the second cavity connect with the first pressure environment around compression mechanism or vacuum environment so that the first cavity and/or be the first pressure environment or vacuum environment in the second cavity.
First cavity and the second cavity can intercept high-temperature exhaust air and transfer heat to compress in-house low temperature air inlet, thus can reduce the power loss of compressor further.
Preferably, can being provided with communicating passage in the pump housing of compression mechanism, the first cavity and/or the second cavity connect with the first pressure environment around compression mechanism or vacuum environment via communicating passage.
Preferably, the outer peripheral face of the first support portion is provided with the first annular groove substantially radially extended；And/or on the outer peripheral face of the second support portion, it is provided with the second cannelure substantially radially extended.First annular groove and the second cannelure all can intercept high-temperature exhaust air and transfer heat to compress in-house low temperature air inlet, thus can reduce the power loss of compressor further.
Preferably, first annular groove and/or the second cannelure are positioned to be located closer to compression mechanism relative to gas-tight seal.
First support portion can include clutch shaft bearing seat and/or the first cover plate and/or support.Second support portion can include the second bearing block and/or the second cover plate.Any group (such as, arbitrarily both or three are whole) in clutch shaft bearing seat, the first cover plate and support forms as one, or is individually formed and links together.Second bearing block and the second cover plate can form as one, or are individually formed and link together.
Preferably, compression mechanism includes the pump housing, the piston of motion and abutting to the slide plate of piston in the pump housing, and the space between piston and the pump housing is divided into induction chamber and exhaust chamber by slide plate.The pump housing is provided with the slide plate holding part for housing slide plate.Slide plate holding part is connected with the second pressure environment of oil storage tank and motor.As such, it is possible to allow high pressure gas to fill to slide plate holding part, high pressure gas can provide bias force to slide plate, makes slide plate tightly against piston.
Preferably, in slide plate holding part, plug it is provided with by being environmentally isolated in the first pressure environment around compression mechanism or vacuum environment and slide plate holding part.
Preferably, one or more lubricant passageways that mechanism includes allowing lubricant to flow to oil storage tank are compressed.The design of lubricant passageway can change according to real needs.
Preferably, lubricant passageway is arranged close to the exhaust passage in compression mechanism.As such, it is possible to reduce the temperature difference and reduce Heat Transfer Influence.
Preferably, the first support portion and be provided with oil trap in the one of contiguous motor in the second support portion, oil trap connects with lubricant passageway.
Preferably, the admission line matched in clearance of rotary compressor is to compressing in mechanism so that compression mechanism is under the first pressure environment.Or, the admission line interference fit of rotary compressor is to compression mechanism so that compression mechanism is under vacuum environment.
Preferably, the first support portion and/or the second support portion are provided with for allowing or prevent gas from passing through to maintain the valve of the first pressure environment or vacuum environment.
It is such as single cylinder rotor-type compressor structure, twin rotor formula compression mechanism or multi-cylinder rotor-type compressor structure according to compression mechanism of the present utility model.
In another aspect of the present utility model, also providing for a kind of rotary compressor, it includes shell, compression mechanism, the first support portion and/or the second support portion.Compression mechanism is arranged in shell.First support portion and/or the second support portion are configured to compression mechanism is supported.First support portion and/or the second support portion are provided with for intercepting the cavity transmitting heat from high-temperature exhaust air to low temperature air inlet.
Preferably, the outer peripheral face of the first support portion and/or the second support portion at least some of on be provided with the cannelure radially extended.Cannelure can continuously or intermittently extend.
Preferably, it is connected to shell to the first support portion and/or the second support portion gas-tight seal.
Preferably, cannelure is positioned to be located closer to compression mechanism relative to gas-tight seal.
First support portion and/or the second support portion can be soldered to shell；Or sealing device can be provided with between the first support portion and/or the second support portion and shell.Such as, this sealing device can be O.
In another aspect of the present utility model, also providing for a kind of rotary compressor, it includes the pump housing, the piston of motion and abut the slide plate to piston in the pump housing.The pump housing is provided with the slide plate holding part for housing slide plate.Slide plate holding part communicates with the space containing high pressure gas.
Preferably, slide plate holding part is configured to also connect with lubricant passageway.
Accompanying drawing explanation
By the description referring to accompanying drawing, the feature and advantage of one or several embodiment of the present utility model will become better understood by, wherein:
Fig. 1 is the longitudinal sectional view of the rotary compressor according to this utility model embodiment；
Fig. 2 is the longitudinal sectional view of the rotary compressor according to another embodiment of this utility model；
Fig. 3 is the longitudinal sectional view of the rotary compressor according to the another embodiment of this utility model；
Fig. 4 is the decomposing schematic representation of a part for the rotary compressor according to this utility model embodiment；
Fig. 5 is another decomposing schematic representation of a part for the rotary compressor according to this utility model embodiment；
Fig. 6 is the schematic perspective view of the pump housing of the compression mechanism according to this utility model embodiment；
Fig. 7 is the schematic diagram of the upper bearing (metal) of the rotary compressor according to this utility model embodiment；
Fig. 8 is the schematic diagram of the lower bearing of the rotary compressor according to this utility model embodiment；
Fig. 9 is another schematic diagram of the lower bearing of the rotary compressor according to this utility model embodiment；
Figure 10 is the schematic diagram of the upper cover plate of the compression mechanism according to this utility model embodiment；
Figure 11 is the schematic top plan view of the lower cover of the compression mechanism according to this utility model embodiment；
Figure 12 is the elevational schematic view of the lower cover of the compression mechanism according to this utility model embodiment；
Figure 13 is the three-dimensional cutaway view of the line C-C cutting along Figure 12；
Figure 14 is the cross-sectional schematic of the line C-C cutting along Figure 12；And
Figure 15 is the biopsy cavity marker devices schematic diagram of the lower cover of the compression mechanism according to this utility model embodiment.
Detailed description of the invention
Description related to the preferred embodiment is only exemplary below, and is definitely not the restriction to this utility model and application or usage.For ease of describe, herein for include twin rotor formula compression mechanism rotary compressor be described.However, it should be understood that this utility model goes for the compressor of any suitable type, it may for example comprise single cylinder compressor structure or the compressor of multicylinder compressor structure, vertical compressor or horizontal compressor.
Referring to Fig. 1 to Fig. 3, the rotary compressor according to this utility model embodiment is described.Compressor shown in figure includes shell 30, arranges motor 50 in the enclosure and compression mechanism 10.In the vertical compressor of diagram, motor 50 is positioned at the top of compression mechanism 10, is compressing the lower section of mechanism 10 and is defining oil storage tank 20 in the bottom of compressor.Compression mechanism 10 is supported by top chock 210 and step 310.
Shell 30 can include cylindrical body 31, top cover 32 and bottom 33.Top cover 32 and bottom 33 are respectively connecting to the two ends of cylindrical body 31, to form the inner space closed.Motor 50 includes stator 51 and rotor 53.Stator 51 is fixedly connected to cylindrical body 31, and rotor 53 is at the radially inner side of stator 51 and can rotate relative to stator 51.Rotating shaft (is also referred to as bent axle) and 15 extends through the medium pore of rotor 53 and be fixedly connected to rotor 53 to rotate with rotor 53.During compressor operating, rotor 53 is rotated axle 15 and rotates together, and rotating shaft 15 and then driving compress mechanism so that the low temperature low pressure gas entered by inlet channel to be compressed.The compression gas discharged from compression mechanism passes through the gap between gap and rotor 53 and the stator 51 between motor 50 and shell 30, arrives the top of compressor, and is discharged via the discharge duct 35 being arranged in top cover 32.
In the example shown in the series of figures, compression mechanism 10 compresses mechanism for twin rotor formula.Referring to Fig. 4 and Fig. 5, compression mechanism 10 includes the first compression assembly, the second compression assembly and the dividing plate 150 being arranged between the first compression assembly and the second compression assembly.First compression assembly includes first pump housing 110, first piston (or rotor) 120 and the first slide plate 130.First pump housing 110 is such as bolted to top chock 210 and step 310.First pump housing 110 has center through hole, and first piston 120 is contained in this center through hole and can roll along the internal perisporium of first pump housing 110.The internal perisporium of first pump housing 110 is provided with otch 118, for accommodating first slide plate 130.The first slide plate 130 spring 119 can be set to be biased towards first piston 120 by the first slide plate 130 in one end of the first slide plate 130, so that can stand tightly against first piston 120.So, the space between first piston 120 and first pump housing 110 is divided into induction chamber and exhaust chamber by the first slide plate 130.Second compression assembly includes the second pump housing the 160, second piston 170 and the second slide plate 180.The all parts of the second compression assembly can have the structure similar to all parts of the first compression assembly, therefore repeats no more herein.
It is provided above upper bearing (metal) 210 at the first compression assembly, upper bearing (metal) 210 is provided with upper cover plate 220 and support 230.However, it should be understood that can save according to actual needs in upper bearing (metal) 210, upper cover plate 220 and support 230 any one or appoint both.Upper bearing (metal) 210, upper cover plate 220 and support 230 appoint both to form as one, or all can form as one.Upper bearing (metal) 210, upper cover plate 220 and support 230 constitute the first support portion 200 for the first compression assembly.It addition, be arranged below lower bearing 310 at the second compression assembly, it is arranged below lower cover 320 at lower bearing 310.However, it should be understood that lower bearing 310 and lower cover 320 can form as one.Lower bearing 310 and lower cover 320 constitute the second support portion 300 for the second compression assembly.
Referring to Fig. 6, the structure according to the pump housing compressing mechanism of the present utility model is described.Fig. 6 has illustrated first pump housing 110 of the first compression assembly.First pump housing 110 can be provided with exhaust passage 114.It addition, first pump housing 110 can be provided with lubricant passageway 112 and 113.It addition, one end of otch 118 can be set to lubricant passageway 111.It should be understood that the quantity of lubricant passageway and structure can change according to actual needs.Correspondingly, in dividing plate 150 with second pump housing 160 of the second compression assembly, it is provided with exhaust passage that the exhaust passage 114 with first pump housing 110 connects and also is provided with the lubricant passageway that the lubricant passageway 112 and 113 with first pump housing 110 connects.
Referring to Fig. 8 and Fig. 9, the structure according to the lower bearing 310 compressing mechanism of the present utility model is described.Lower bearing 310 is provided with the lubricant passageway 311,312 and 313 connected with the lubricant passageway 111,112 and 113 of the pump housing respectively, and also is provided with the exhaust passage 314 that the exhaust passage 114 with the pump housing connects.It addition, lower bearing 310 is additionally provided with the recess 315 connected with exhaust passage 314 and the steam vent 316 of exhaust chamber Yu recess 315 for connecting the second compression assembly.
Referring to Figure 11, it illustrates the lower cover 320 according to compressor of the present utility model.Lower cover 320 is such as arranged on the lower bearing 310 shown in Fig. 8 by bolt.Lower cover 320 is provided with lubricant passageway 321,322 and 323.Lubricant passageway 321,322 connects with the lubricant passageway 311,312 and 313 of lower bearing 310 respectively with 323, thus allowing lubricant can be back in oil storage tank 20.
Referring to Fig. 7, it illustrates the upper bearing (metal) 210 of compressor according to this utility model embodiment.It is provided with the lubricant passageway 211,212 and 213 connected with the lubricant passageway 111,112 and 113 of the pump housing respectively in upper 210, and also is provided with the exhaust passage 214 that the exhaust passage 114 with the pump housing connects.It addition, upper bearing (metal) 210 is additionally provided with recess 215 and the steam vent 216 of exhaust chamber Yu recess 215 for connecting the first compression assembly.Being provided with the oil trap 219 connected with lubricant passageway 211,212 and 213 in upper bearing (metal) 210, collecting in oil trap 219 has lubricant.
Referring to Figure 10, it illustrates the upper cover plate 220 according to compressor of the present utility model.Upper cover plate 220 is such as arranged on the upper bearing (metal) 210 shown in Fig. 7 by bolt.Upper cover plate 220 is provided with the exhaust passage 224 that the exhaust passage 214 with upper bearing (metal) 210 connects and the steam vent 227 connected with recess 215.In the example shown in the series of figures, compressor has two steam vents 227.However, it should be understood that the quantity of steam vent 227 and structure can change according to actual needs.
Below in conjunction with Fig. 4 and Fig. 5, the lubricant return course according to compressor of the present utility model is described.The lubricant collected in the oil trap 219 of upper bearing (metal) 210 can be back in oil storage tank 20 via the lubricant passageway 111 of lubricant passageway 211, first pump housing 110 of upper bearing (metal) 210, the lubricant passageway 161 of lubricant passageway 151, second pump housing 160 of dividing plate 150, the lubricant passageway 311 of lower bearing 310 and the lubricant passageway 321 of lower cover 320 successively.It addition, the lubricant in oil trap 219 can be back in oil storage tank 20 via the lubricant passageway 112 of lubricant passageway 212, first pump housing 110 of upper bearing (metal) 210, the lubricant passageway 162 of lubricant passageway 152, second pump housing 160 of dividing plate 150, the lubricant passageway 312 of lower bearing 310 and the lubricant passageway 322 of lower cover 320 successively；And can be back in oil storage tank 20 via the lubricant passageway 113 of lubricant passageway 213, first pump housing 110 of upper bearing (metal) 210, the lubricant passageway 163 of lubricant passageway 153, second pump housing 160 of dividing plate 150, the lubricant passageway 313 of lower bearing 310 and the lubricant passageway 323 of lower cover 320 successively.
Referring to Fig. 4 and Fig. 5, the exhaust process according to compressor of the present utility model is described.Compression gas in the exhaust chamber of the first compression assembly enters in recess 215 via the steam vent 216 in upper bearing (metal) 210, then passes through the steam vent 227 in upper cover plate 220, flows to discharge duct 35 via the gap between the gap in motor and motor and shell.Additionally, compression gas in the exhaust chamber of the second compression assembly enters in recess 315 via the steam vent 316 in lower bearing 310, flows through the exhaust passage 224 of the exhaust passage 164 of exhaust passage 314, second pump housing 160 of lower bearing 310, the exhaust passage 114 of exhaust passage 154, first pump housing 110 of dividing plate 150, the exhaust passage 214 of upper bearing (metal) 210 and upper cover plate 220 successively.So, the discharge gas of High Temperature High Pressure flows through motor and is discharged via discharge duct 35.Therefore, motor is under high temperature and high pressure environment.
In existing high side compressors, compression mechanism is under high temperature and high pressure environment as motor, then the low temperature low pressure gas of the inlet plenum entering to compression mechanism by admission line can be heated.So, the cold of compressor and the loss of power can be caused, thus reducing the efficiency of compressor.
But, the problems referred to above can be overcome under lower pressure environment (can be described as the first pressure environment) or vacuum environment by making compression mechanism be according to compressor of the present utility model.In one example, gas-tight seal shell can be connected to according to the support portion for supporting compression mechanism of the present utility model, in order to compression mechanism is under low pressure or vacuum environment.Lower pressure environment or the first pressure environment can equal to or less than the suction pressure (pressure of inspiration(Pi)) of the gas entering compression mechanism.
As depicted in figs. 1 and 2, it is possible to O (referring also to Fig. 4) is set between the cylindrical body 31 of upper bearing (metal) 210 and shell 30, and O can be set between lower cover 320 and cylindrical body 31.In the example shown in the series of figures, the outer peripheral face of upper bearing (metal) 210 is provided with the groove for housing O 102, and on the outer peripheral face of lower cover 320, is arranged to the groove of accommodating O 102.However, it should be understood that this utility model is not limited to the concrete example of diagram, but can there is various modification.It is, for example possible to use any other the suitable sealing device except O.Gas-tight seal can be realized between support 230 or lower bearing 310 with shell 30 to be connected.Groove for housing sealing device can be arranged on the inwall of shell.In the example presented in the figure, upper cover plate 220 and support 230 are individually formed.It is understood, however, that upper cover plate 220 and support 230 can form as one.
As it is shown on figure 3, support 230 and lower cover 320 are soldered to the cylindrical body 31 of shell 30, to realize gas-tight seal connection at weld seam 101 place.In alternative embodiment, it is possible to upper bearing (metal) and/or lower bearing are soldered to shell, to set up gas-tight seal connection.
In one example, it is possible to be evacuated in the space between upper bearing (metal) and lower bearing by vacuum pump, compression mechanism is thus made to be under vacuum environment, as shown in Figure 1.In this example, it is possible to by admission line 41 and 43 and compression mechanism 10 interference fit, in order to keep vacuum environment well.Referring to Figure 11, it is possible to arrange through hole 328 in lower cover 320, in order to by this through hole 328 aspiration vacuum.As shown in Fig. 1, Fig. 4, Figure 12 to Figure 14, it is also possible to arrange valve 327 on lower cover 320, to allow or to prevent gas from passing through through hole 328.
In another example, it is possible to by admission line 41 and 43 and compression mechanism 10 matched in clearance, thus allowing the low temperature low pressure gas from admission line to enter in the surrounding of compression mechanism, in order to make compression mechanism be in lower pressure environment.
It addition, as mentioned above and as it can be seen, the lubricant passageway of each parts of compressor can allow high temperature and high pressure gas to pass through, oil storage tank 20 thus can be made to be under environment under high pressure (can be described as the second pressure environment).The above-mentioned lower pressure environment of pressure ratio in environment under high pressure or the second pressure environment or the pressure in the first pressure environment are big.Preferably, the pressure in environment under high pressure or the second pressure environment can substantially pressure at expulsion (that is, discharging the pressure of gas).So, circulation and the management of lubricant are conducive to.In one example, the lubricant passageway of all parts of compression mechanism can be arranged close to exhaust passage, thus can be conducive to reducing the amount of heat transfer between high-temperature exhaust air and low temperature air inlet.
Especially, the lubricant passageway 111 of first pump housing 110 and the lubricant passageway 161 of second pump housing 160 can allow gases at high pressure to pass through, thus the first slide plate 130 and the second slide plate 180 can be applied extra power, thus being conducive to making the inlet plenum of compression mechanism and exhaust chamber isolation.
Spring 119 provide bias force so that slide plate abuts piston tightly as it has been described above, can be arranged to the slide plate for compressing mechanism.In the example presented in the figure, it is possible to be arranged to the hole 115 of putting spring 119.Hole 115 can extend through the lateral wall of the pump housing 110,160, in order to manufactures and assembles.In such a case, it is possible to arrange plug in hole 115 the inside in hole 115 and external isolation to be opened, in case the gases at high pressure in hole 115 enter the low pressure around compression mechanism or in vacuum environment.In the example shown in the series of figures, otch 118, lubricant passageway 111 and hole 115 can form slide plate holding part.It should be understood that slide plate holding part can only include any group in otch 118, lubricant passageway 111 and hole 115.Such as, slide plate holding part can only include otch 118, or can include otch 118 and lubricant passageway 111.
Referring to Fig. 6, upper bearing (metal) 210 can be provided with cavity 218, to intercept the heat transmission between the low temperature air inlet in high-temperature exhaust air and the first compression assembly.Cavity 218 can be hidden by upper cover plate 220.Additionally or alternatively, lower bearing 310 can be provided with cavity 318, to intercept the heat transmission between the low temperature air inlet in high-temperature exhaust air and the second compression assembly.Cavity 318 can be hidden by lower cover 320.In some embodiments, it is also possible to communicating passage (shown in the arrow in Figure 13) is set in all parts of compression mechanism so that cavity 218,318 connects with the low pressure around compression mechanism or vacuum environment.The parameter (such as, quantity, size, shape etc.) of communicating passage can design according to specific needs.
In another example, as shown in figure 15, it is possible to the cannelure 329 substantially radially extended is set on the outer peripheral face of lower cover 320.In other example, cannelure 329 can extend along a part of circumference of lower cover 320.Cannelure 329 can be extend continuously, or extends discontinuously.Preferably, cannelure 329 can be arranged close to compression mechanism.It should be understood that cannelure 329 can be arranged on the miscellaneous part of compressor and/or other suitable positions, as long as cannelure 329 is conducive to the heat transmission intercepting between aerofluxus and air inlet.
In the example depicted in fig. 15, the outer peripheral face of lower cover 320 is additionally provided with the groove 326 for housing sealing device (such as, O).In this case, cannelure 329 can relative to groove 326 closer to compressing mechanism 10.
Although of the present utility model various embodiment being described in detail at this, however, it should be understood that this utility model is not limited to the detailed description of the invention being described in detail here and illustrating, may be effected by one skilled in the art other modification and variant when not necessarily departing from spirit and scope of the present utility model.All these modification and variant both fall within scope of the present utility model.And, all components described here can be replaced by component equivalent in other technologies.
Claims (30)
1. a rotary compressor, it is characterised in that described rotary compressor includes:
Shell (30)；
Compression mechanism (10), described compression mechanism (10) is arranged in described shell (30) and is under the first pressure environment or vacuum environment；And
Oil storage tank (20), described oil storage tank (20) is in described shell (30) and is under the second pressure environment, and wherein, the pressure in described second pressure environment is more than the pressure in described first pressure environment.
2. rotary compressor as claimed in claim 1, it is characterised in that described oil storage tank (20) is positioned at the side of described compression mechanism (10).
3. rotary compressor as claimed in claim 2, it is characterized in that, described rotary compressor also includes motor (50), and described motor (50) is positioned at the side contrary with described oil storage tank (20) of described compression mechanism (10) in described shell (30) and is under described second pressure environment.
4. rotary compressor as claimed in claim 3, it is characterized in that, described rotary compressor also includes the first support portion (200) for supporting described compression mechanism (10) and the second support portion (300), described first support portion (200) and described second support portion (300) lay respectively at described compression mechanism (10) both sides
Described first support portion (200) and/or described second support portion (300) are connected with described shell (30) gas-tight seal ground, in order to form described first pressure environment or vacuum environment between described first support portion (200) and described second support portion (300).
5. rotary compressor as claimed in claim 4, wherein, described first support portion (200) and/or described second support portion (300) are soldered to described shell (30).
6. rotary compressor as claimed in claim 4, wherein, is provided with sealing device between described first support portion (200) and described shell (30)；And/or
It is provided with sealing device between described second support portion (300) and described shell (30).
7. rotary compressor as claimed in claim 6, wherein, described sealing device is the form of O.
8. rotary compressor as claimed in claim 4, wherein, is provided with the first cavity (218) in described first support portion (200)；And/or
Described second support portion (300) is provided with the second cavity (318).
9. rotary compressor as claimed in claim 8, wherein, described first cavity (218) and/or described second cavity (318) connect with described first pressure environment around described compression mechanism (10) or vacuum environment so that be described first pressure environment or vacuum environment in described first cavity (218) and/or described second cavity (318).
10. rotary compressor as claimed in claim 9, wherein, the pump housing of described compression mechanism is provided with communicating passage, described first cavity (218) and/or described second cavity (318) connect with described first pressure environment around described compression mechanism (10) or vacuum environment via described communicating passage.
11. rotary compressor as claimed in claim 4, wherein, the outer peripheral face of described first support portion (200) is provided with the first annular groove substantially radially extended；And/or
The outer peripheral face of described second support portion (300) is provided with the second cannelure (329) substantially radially extended.
12. rotary compressor as claimed in claim 11, wherein, described first annular groove and/or described second cannelure (329) are positioned to be located closer to described compression mechanism (10) relative to gas-tight seal.
13. rotary compressor as claimed in claim 4, wherein, described first support portion (200) includes clutch shaft bearing seat (210) and/or the first cover plate (220) and/or support (230)；And
Described second support portion (300) includes the second bearing block (310) and/or the second cover plate (320),
Wherein, any group in described clutch shaft bearing seat (210), described first cover plate (220) and described support (230) forms as one, or is individually formed and links together；
Described second bearing block (310) and described second cover plate (320) form as one, or are individually formed and link together.
14. the rotary compressor as according to any one of claim 3 to 13, wherein, described compression mechanism (10) includes the pump housing, the piston of motion and abutting to the slide plate of described piston in the described pump housing, and the space between described piston and the described pump housing is divided into induction chamber and exhaust chamber by described slide plate；
The described pump housing is provided with slide plate holding part for housing described slide plate (111,118,115)；
Described slide plate holding part is connected with described second pressure environment of described oil storage tank (20) and described motor (50).
15. rotary compressor as claimed in claim 14, described slide plate holding part is provided with plug with by being environmentally isolated in described first pressure environment around described compression mechanism (10) or vacuum environment and described slide plate holding part.
16. the rotary compressor as according to any one of claim 4 to 13, wherein, described compression mechanism (10) includes the one or more lubricant passageways (111,151,161 allowing lubricant to flow to described oil storage tank (20)；112、152、162；113、153、163).
17. rotary compressor as claimed in claim 16, wherein, described lubricant passageway is arranged close to the exhaust passage (114,154,164) in described compression mechanism (10).
18. rotary compressor as claimed in claim 16, wherein, being provided with oil trap (219) in the one of contiguous described motor in described first support portion (200) and the second support portion (300), described oil trap connects with described lubricant passageway.
19. the rotary compressor as according to any one of claim 1 to 13, wherein, admission line (41, the 43) matched in clearance of described rotary compressor is compressed in mechanism (10) so that described compression mechanism (10) is under described first pressure environment to described；Or
Admission line (41, the 43) interference fit of described rotary compressor is to described compression mechanism (10) so that described compression mechanism (10) is under described vacuum environment.
20. the rotary compressor as according to any one of claim 4 to 13, wherein, described first support portion (200) and/or described second support portion (300) are provided with for allowing or prevent gas from passing through to maintain the valve (327) of described first pressure environment or vacuum environment.
21. the rotary compressor as according to any one of claim 1 to 13, wherein, described compression mechanism (10) is single cylinder rotor-type compressor structure, twin rotor formula compresses mechanism or multi-cylinder rotor-type compressor structure.
22. the rotary compressor as according to any one of claim 1 to 13, wherein, the pressure in described first pressure environment is less than or equal to pressure of inspiration(Pi), the pressure essentially pressure at expulsion in described second pressure environment.
23. a rotary compressor, including:
Shell (30)；
Compression mechanism (10), described compression mechanism (10) is arranged in described shell (30)；And
First support portion (200) and/or the second support portion (300), described first support portion (200) and/or described second support portion (300) are configured to described compression mechanism (10) is supported,
It is characterized in that, be provided with in described first support portion (200) and/or described second support portion (300) for intercepting the cavity (218,318) transmitting heat from high-temperature exhaust air to low temperature air inlet.
24. rotary compressor as claimed in claim 23, wherein, the outer peripheral face of described first support portion (200) and/or described second support portion (300) at least some of on be provided with the cannelure (329) radially extended.
25. rotary compressor as claimed in claim 24, wherein, described cannelure (329) continuously or intermittently extends.
26. rotary compressor as claimed in claim 24, wherein, it is connected to described shell to described first support portion (200) and/or described second support portion (300) gas-tight seal.
27. rotary compressor as claimed in claim 26, wherein, described cannelure (329) is positioned to be located closer to described compression mechanism (10) relative to gas-tight seal.
28. rotary compressor as claimed in claim 27, wherein, described first support portion (200) and/or described second support portion (300) are soldered to described shell；Or
It is provided with sealing device between described first support portion (200) and/or described second support portion (300) and described shell.
29. a rotary compressor, including the pump housing, the piston moved in the described pump housing and the slide plate abutting extremely described piston,
The described pump housing is provided with the slide plate holding part for housing described slide plate；
It is characterized in that, described slide plate holding part communicates with the space containing high pressure gas.
30. rotary compressor as claimed in claim 29, wherein, described slide plate holding part is configured to also connect with lubricant passageway.
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| CN201620054796.3U CN205401136U (en) | 2016-01-20 | 2016-01-20 | Rotary compressor |
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| CN201620054796.3U CN205401136U (en) | 2016-01-20 | 2016-01-20 | Rotary compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989026A (en) * | 2016-01-20 | 2017-07-28 | 艾默生环境优化技术(苏州)有限公司 | Rotary compressor |
| WO2022041857A1 (en) * | 2020-08-27 | 2022-03-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Air suction device, compression assembly, and air conditioner |
-
2016
- 2016-01-20 CN CN201620054796.3U patent/CN205401136U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989026A (en) * | 2016-01-20 | 2017-07-28 | 艾默生环境优化技术(苏州)有限公司 | Rotary compressor |
| CN106989026B (en) * | 2016-01-20 | 2020-05-12 | 艾默生环境优化技术(苏州)有限公司 | Rotary compressor |
| WO2022041857A1 (en) * | 2020-08-27 | 2022-03-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Air suction device, compression assembly, and air conditioner |
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