CN203384053U - Rotary compressor - Google Patents

Rotary compressor Download PDF

Info

Publication number
CN203384053U
CN203384053U CN201320173166.4U CN201320173166U CN203384053U CN 203384053 U CN203384053 U CN 203384053U CN 201320173166 U CN201320173166 U CN 201320173166U CN 203384053 U CN203384053 U CN 203384053U
Authority
CN
China
Prior art keywords
rake
lubricant oil
spacer
gas refrigerant
rotary compressor
Prior art date
Application number
CN201320173166.4U
Other languages
Chinese (zh)
Inventor
辰己胜俊
白藤好范
长泽宏树
Original Assignee
三菱电机株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2012088480A priority Critical patent/JP5868247B2/en
Priority to JP2012-088480 priority
Application filed by 三菱电机株式会社 filed Critical 三菱电机株式会社
Application granted granted Critical
Publication of CN203384053U publication Critical patent/CN203384053U/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/06Silencing
    • F04C29/068Silencing the silencing means being arranged inside the pump housing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008Hermetic pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02Lubrication; Lubricant separation
    • F04C29/026Lubricant separation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02Lubrication; Lubricant separation
    • F04C29/028Means for improving or restricting lubricant flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2210/00Fluid
    • F04C2210/26Refrigerants with particular properties, e.g. HFC-134a
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00Components
    • F04C2240/40Electric motor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00Rotary kinetic fluid motors or pumps
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00Pumps
    • Y10S417/902Hermetically sealed motor pump unit

Abstract

The utility model provides a rotary compressor which is provided with an electromotor part (2), a compression mechanism part (3) and a separation body (50), wherein the electromotor part (2) is arranged in a closed container (1); the compression mechanism part (3) is arranged at the lower part in the closed container (1) with a space (A) from the electromotor part (2), compresses a gas refrigerant flowing into a cylinder body (31) from a suction port through the drive of the electromotor part (2), and discharges the compressed gas refrigerant to the space (A) through an upper silencer (36) and a lower silencer (37) from exhaust ports of an upper bearing (34) and a lower bearing (35) of a spindle (23); the separation body (50) is arranged in the space (A) in a manner of surrounding the periphery of the upper silencer (36) and provided with an inclination part which obliquely bears the gas refrigerant surrounding the space (A) through the cyclic flow generated by the rotation of a rotor (22) of the electromotor part (2); and the lubricating oil is separated from the gas refrigerant and falls down to the bottom through the inclination part.

Description

Rotary compressor
Technical field
The utility model relates to the rotary compressor that separates and reclaim lubricant oil the refrigerant gas in being discharged to seal container.
Background technique
In rotary compressor in the past, motor part and compression mechanical part have been taken in seal container, rotation along with the rotor of motor part, main shaft also rotates, by being arranged on the fuel supply line on the Rectifier plate that is embedded in lower bearing, attraction be stored in seal container bottom lubricant oil and supply with (for example,, with reference to patent documentation 1) to compression mechanical part.
[prior art document]
[patent documentation 1] Japanese kokai publication hei 3-33493 communique (the 2nd page, Fig. 1)
Yet in recent years, due to frequency conversion and the high capacity of rotary compressor, it is many that the flow of refrigeration agent becomes, and accompanies with it, from seal container 4, the drag-out of outside lubricant oil also increases, and has the reliability of compressor and the problems such as running efficiency reduction of air conditioner.In addition, have following problem: because of the increase of the volume of the cooling medium of the air conditioner of following high capacity to cause, the pasta that gas refrigerant is invaded in seal container while causing starting reduces, and compression mechanical part is easily burnt.
Therefore, in the past, stable for the pasta that makes the bottom in seal container, reduce lubricant oil taking out of from the bottom in seal container to top when starting, for example have the spacer body 60 shown in Figure 12 is arranged on to the structure on upper bearing 34.By this spacer body 60, the effect of taking out of with the oil while preventing from starting, but when steady running, become the fluid resistance of the lubricant oil fallen from the top in seal container, therefore, lubricant oil is trapped in the upper surface of spacer body 60, has the return problem that quantitative change few of lubricant oil to the bottom in seal container.
The model utility content
The utility model is researched and developed for solving described problem, and the first purpose is to obtain a kind of rotary compressor, and it can be efficiently from gas refrigerant separation lubrication oil, and can make the lubricant oil separated not return to the bottom in seal container with not being obstructed.
The second purpose is on the first purpose basis, obtains a kind of rotary compressor, and appropriate lubricant oil is supplied with in its pasta ground that can not upset the lubricant oil that is stored in the bottom in seal container in compression mechanical part.
The rotary compressor of first method of the present utility model has: seal container, and it stores lubricant oil in bottom; Motor part, it is arranged in seal container; Compression mechanical part, its with and motor part between there is space mode be arranged on the bottom in seal container, and the driving by motor part compressed the gas refrigerant flowed in cylinder body from suction port, and the gas refrigerant that will compress is discharged in space via the baffler be arranged on this upper bearing from the exhaust port of at least upper bearing of the upper bearing of main shaft and lower bearing; Spacer body, it is arranged in space in the mode on every side of surrounding baffler, there is rake, and by this rake, make lubricant oil separate and drop to above-mentioned bottom from gas refrigerant, above-mentioned rake bear obliquely swirling flow that the rotation by the rotor of motor part produces and in space around gas refrigerant.
The rotary compressor of second method of the present utility model is, in the rotary compressor of first method, described spacer body forms ring-type, the one sidepiece is smooth, and there is the rake bent obliquely upward from this sidepiece, by this rake, lubricant oil is separated from described gas refrigerant.
The rotary compressor of Third Way of the present utility model is that in the rotary compressor of first method, described spacer body forms frusto-conical, by its rake, lubricant oil is separated from described gas refrigerant.
The rotary compressor of cubic formula of the present utility model is that, in the rotary compressor of Third Way, on described rake, edge circumferentially is provided with a plurality of perk sheets of perk obliquely.
The rotary compressor of the 5th mode of the present utility model is, in the rotary compressor of first method, described spacer body forms ring-type, the one sidepiece is smooth, the other side at the opposition side of this sidepiece has the forniciform rake extended obliquely upward in inboard, by this rake, lubricant oil is separated from described gas refrigerant.
The rotary compressor of the 6th mode of the present utility model is, in the rotary compressor of first method, described spacer body forms ring-type, surface is upper along circumferentially being provided with a plurality of perk sheets of perk obliquely thereon, using described perk sheet as rake, lubricant oil is separated from described gas refrigerant.
The rotary compressor of the 7th mode of the present utility model is, in the rotary compressor of the 6th mode, on described spacer body, replaces the perk sheet tilted and be provided with a plurality of perk sheets of the ground perk that meets at right angles on described upper surface.
The rotary compressor of all directions of the present utility model formula is, in the rotary compressor of first method to the seven modes, using described baffler as the top baffler, there is bottom baffler and fuel supply line on the lower bearing that is arranged on described compression mechanical part, described fuel supply line has diameter than the little hole of oily inlet hole be arranged in described main shaft, and, at one end in section, there is planar surface portion, described planar surface portion separates with gap and is fixed with described main shaft between described lower bearing and described bottom baffler, described fuel supply line is supplied with in described compression mechanical part for the lubricant oil that will be stored in described bottom.
The effect of model utility
According to the utility model, owing to thering is spacer body, and this spacer body has swirling flow that the rotation of bearing obliquely by the rotor by motor part produces and the rake of the gas refrigerant of ambient, so, can by the rake of this spacer body, make efficiently lubricant oil separate from gas refrigerant, and, owing to thering is rake, so can make the lubricant oil separated not return to the bottom in seal container with not being obstructed.
The accompanying drawing explanation
Fig. 1 means the integrally-built longitudinal section of the rotary compressor of mode of execution 1.
Fig. 2 is the longitudinal section of the bottom of the seal container of presentation graphs 1 enlargedly.
Fig. 3 is the longitudinal section of the central part of the seal container of presentation graphs 1 enlargedly.
Fig. 4 is the longitudinal section of central part of seal container that means enlargedly the rotary compressor of mode of execution 2.
Fig. 5 is the stereogram of the spacer body of mode of execution 2.
Fig. 6 is the longitudinal section of central part of seal container that means enlargedly the rotary compressor of mode of execution 3.
Fig. 7 is the plan view of the spacer body of mode of execution 3.
Fig. 8 is the longitudinal section of central part of seal container that means enlargedly the rotary compressor of mode of execution 4.
Fig. 9 is the stereogram of the spacer body of mode of execution 4.
Figure 10 is the longitudinal section of central part of seal container that means enlargedly the rotary compressor of mode of execution 5.
Figure 11 is the plan view of the spacer body of mode of execution 5.
Figure 12 means the longitudinal section of central part of the seal container of rotary compressor in the past.
Embodiment
Mode of execution 1
Fig. 1 means the integrally-built longitudinal section of the rotary compressor of mode of execution 1, and Fig. 2 is the longitudinal section of the bottom of the seal container of presentation graphs 1 enlargedly, and Fig. 3 is the longitudinal section of the central part of the seal container of presentation graphs 1 enlargedly.
The rotary compressor of present embodiment for example, shown in Fig. 1, has been taken in motor part 2, compression mechanical part 3 and lubricant oil 4 in the inside of seal container 1.Seal container 1 for example consists of the central container 11 of drum, the upper container 12 and the lower container 13 that embed with air-tight state in each upper and lower opening of central container 11.Be connected and installed with the suction pipe 6 of absorbing silencer 5 on central container 11, be connected with discharge tube 7 on upper container 12.Suction pipe 6 is that the gas refrigerant (low-temp low-pressure) for flowing into via absorbing silencer 5 is sent into the connecting tube in compression mechanical part 3.Discharge tube 7 be for section of compressed mechanism 3 is compressed seal container 1 in gas refrigerant (High Temperature High Pressure) flow into the connecting tube of refrigerant piping.
Motor part 2 has: the stator 21 that is fixed in central container 11; Can be embedded in the rotor 22 of stator 21 with rotating freely.The main shaft 23 extended downwards is installed on rotor 22.Main shaft 23 can be supported by upper bearing 34 described later and lower bearing 35 with rotating freely, and rotation together with rotor 22.In addition, at the axis central part of main shaft 23, be provided with the oily inlet hole 23a at the bottom side opening of seal container 1, in this oil inlet hole 23a, be provided with spiral helicine centrifugal pump 23b.
As shown in Figure 2, the planar surface portion 40a that is arranged at an end of fuel supply line 40 separates with gap and is fixed with main shaft 23 between lower bearing 35 and bottom baffler 37.That is, fuel supply line 40 becomes and is arranged on oily inlet hole 23a on main shaft 23 and separates the state linked with gap, does not therefore rotate.When centrifugal pump 23b rotates together with main shaft 23, lubricant oil 4 attracted in fuel supply line 40 as shown in arrow Z, and is picked up upward from oily inlet hole 23a.The diameter of fuel supply line 40 is adjusted, in order to can carry out best fuel feeding when the High Rotation Speed of motor part 2.That is, the diameter of fuel supply line 40 is less than the diameter that is arranged on the oily inlet hole in main shaft.Thus, under the state of the lubricity that maintains compression mechanical part 3, can make lubricant oil 4 become bottom line to the space A in seal container 1 or the taking out of of top of motor part 2, accompany with it, the amount that can allow to be stored in the lubricant oil 4 of the bottom in seal container 1 increases.
Compression mechanical part 3 is for example revolving, has space A in the bottom of motor part 2 and is fixed in central container 11.Compression mechanical part 3 has cylinder body 31, piston 32, blade 33, upper bearing 34, the lower bearing 35 of general cylindrical shape shape, top baffler 36 and the bottom baffler 37 of expansion type.In the bottom of compression mechanical part 3, be provided with and run through the fuel supply line 40 that bottom baffler 37 extends downwards.
The central shaft of cylinder body 31 configures prejudicially with respect to the axle center of main shaft 23.In this cylinder body 31, there is the suction port 38 be connected with aforesaid suction pipe 6, in addition, also be provided with the groove (not shown) be communicated with in exhaust port (not shown) on upper bearing 34 and lower bearing 35 and cylinder body 31 being separately positioned on.
Piston 32 is positioned on same axis with the central shaft of main shaft 23, and is embedded in rotatably main shaft 23 together with main shaft 23.In addition, in piston 32, can take in blade 33 with being free to slide.The upper and lower both ends of the surface of above-mentioned upper bearing 34 and lower bearing 35 closed cylinders 31.Be provided with top baffler 36 on upper bearing 34, be provided with bottom baffler 37 on lower bearing 35.
The lubricant oil 4 that is stored in the bottom in seal container 1 is inhaled in oily inlet hole 23a via fuel supply line 40 by the centrifugal pump 23b rotated together with main shaft 23.And the lubricant oil 4 be inhaled in oily inlet hole 23a flows between upper bearing 34 and main shaft 23 from top oil-feed port 23c, and flows between the upper surface of upper bearing 34 and piston 32.In addition, lubricant oil 4 flows between lower bearing 35 and main shaft 23 from bottom oil-feed port 23d, and flows between the lower surface of lower bearing 35 and piston 32.By the supply of lubricant oil 4, main shaft 23 and piston 32 rotate swimmingly.In addition, although not shown, for the slip of blade 33 is carried out swimmingly, also to blade 33 side supplying lubricating oils 4.
In the space A of motor part 2 and compression mechanical part 3, be provided with the lubricant oil 4 that is mixed in gas refrigerant is separated and makes it fall the spacer body 50 of the bottom in seal container 1 from gas refrigerant.As shown in Figure 3, this spacer body 50 forms the ring-type on every side of surrounding top baffler 36, and a sidepiece 50a is smooth, and has the rake 50b bent obliquely upward from a sidepiece 50a.This sidepiece 50a separates the upper end portion that is fixed on gap cylinder body 31 by bolt etc.
Below, the action of the rotary compressor of present embodiment is described.
When the driving by motor part 2 makes main shaft 23 rotation, the pistons 32 in cylinder body 31 rotate together with main shaft 23.By the rotation of this piston 32, be accommodated in when blade 33 in piston 32 is done the piston motion and rotate prejudicially.Now, gas refrigerant enters in the pressing chamber that inwall, piston 32 and blade 33 by cylinder body 31 surround from the suction port 38 of compression mechanical part 3 via suction pipe 6.And the gas refrigerant in pressing chamber is followed the rotation of piston 32, along with the volume in pressing chamber diminishes and compressed.Now, the lubricant oil 4 flowed in cylinder body 31 is also compressed together with gas refrigerant, becomes the state mixed with gas refrigerant.
The gas refrigerant (being designated hereinafter simply as " gas refrigerant ") that is mixed with lubricant oil 4 via with the interior groove be communicated with of cylinder body 31, the exhaust port (not shown) from being separately positioned on upper bearing 34 and lower bearing 35 flows into the inner space of top baffler 36 and bottom baffler 37.,Bing Yu top, the inner space baffler 36 interior gas refrigerants that the gas refrigerant of the inner space of inflow bottom baffler 37 is imported into top baffler 36 by the pore (not shown) that runs through lower bearing 35, cylinder body 31 and upper bearing 34 are discharged to the space A between motor part 2 and compression mechanical part 3 from pore 36a together.
The gas refrigerant be discharged in above-mentioned space A is guided by the swirling flow that rotation produced of the rotor 22 of motor part 2, to the sense of rotation of rotor 22, flow (arrow directions X), the upper surface of the rake 50b with spacer body 50 with when lower surface contacts around top baffler 36 around.Now, the lubricant oil 4 mixed with gas refrigerant is attached to respectively the upper and lower surface of the rake 50b of spacer body 50.
It is because lubricant oil 4 has viscosity that lubricant oil 4 is attached on rake 50b.Upper surface and the lower face side in lower surface of rake 50b are attached with a large amount of lubricant oil 4.This is because, when gas refrigerant rotates a circle on the internal face of seal container 1, a large amount of gas refrigerants contacts with the lower surface of rake 50b.Fall (direction of arrow Y) because of deadweight when this lubricant oil 4 is mobile along rake 50b, be recycled to the bottom in seal container 1.
On the other hand, arrive the top in seal container 1 by the air gap 2a be arranged between pore 22a, stator 21 and the rotor 22 on rotor 22 respectively around the gas refrigerant around top baffler 36, and be discharged to outside seal container 1 from discharge tube 7.
In above mode of execution 1, be provided with the spacer body 50 with rake 50b in the space A between motor part 2 and compression mechanical part 3, make together with gas refrigerant in the A of space around lubricant oil 4 be attached to rake 50b.By this rake 50b, can not hinder the recyclability ground of lubricant oil 4 to make efficiently lubricant oil 4 drop to the bottom in seal container 1, recyclability further improves.
In addition, as mentioned above, by the spacer body 50 of configuration ring-type in the A of space, the fluid resistance of taking out of of the lubricant oil 4 that the foaming while becoming the starting prevented by compressor causes, can prevent from being stored in the exhaustion of the lubricant oil 4 of the bottom in seal container 1.
And, owing between lower bearing 35 and bottom baffler 37, with main shaft 23, separating and being fixed with gap fuel supply line 40, thus to the installation of lower bearing 35, be easy, and, because fuel supply line 40 does not rotate, so the pasta while attracting can multilated.
In addition, because fuel supply line 40 extends, so do not need to arrange the length of unnecessary lower bearing 35, can cut down material cost and processing charges downwards.
In addition, by the caliber by fuel supply line 40, limit fuel delivery and it is rationalized, can make lubricant oil 4 become in right amount to the supply in compression mechanical part 3, can suppress the supply of lubricant oil 4.
In addition, while being stored in the pasta reduction of the lubricant oil 4 in bottom, because fuel supply line 40 extends, so lubricant oil 4 that also can viscosity is high, to the interior supply of compression mechanical part 3, also can carry out fuel feeding when pasta reduces, thereby realize the raising of reliability downwards.
Mode of execution 2
In mode of execution 2, the spacer body of frusto-conical is arranged in the space A between motor part 2 and compression mechanical part 3.
Fig. 4 is the longitudinal section of central part of seal container that means enlargedly the rotary compressor of mode of execution 2, and Fig. 5 is the stereogram of the spacer body of mode of execution 2.In addition, in mode of execution 2, for the part identical with mode of execution 1, mark identical reference character, different parts only is described.
As shown in Figures 4 and 5, the spacer body 51 in mode of execution 2 forms the frusto-conical with the rake 51a on every side that surrounds top baffler 36.The scope that the angle θ of rake 51a is for example 30 °~60 °.This angle θ makes the contained lubricant oil of gas refrigerant 4 be attached to the angle of the best on the inner peripheral surface of rake 51a.Although not shown, spacer body 51 is fixed on the upper end portion of cylinder body 31.In addition, in the rotary compressor of mode of execution 2, fuel supply line 40 also separates with gap and is fixed with main shaft 23 between lower bearing 35 and bottom baffler 37.
In mode of execution 2, the swirling flow that the gas refrigerant in the A of space produces by the rotation by rotor 22, around the outside and the inboard of the rake 51a of (arrow directions X) frusto-conical.Now, the contained lubricant oil 4 of gas refrigerant is attached on the inner peripheral surface of rake 51a.The lubricant oil 4 be attached on the inner peripheral surface of rake 51a falls (arrow Y-direction) downwards because of deadweight, and is recycled to the bottom in seal container 1.
In above mode of execution 2, the spacer body 51 of frusto-conical is set in the space A between motor part 2 and compression mechanical part 3, make together with gas refrigerant in the A of space around lubricant oil 4 be attached on the inner peripheral surface of this rake 51a.By this rake 51a, can not hinder the recyclability ground of lubricant oil 4 to make efficiently lubricant oil 4 drop to the bottom in seal container 1, recyclability further improves.
In addition, as mentioned above, by the spacer body 51 of configuration frusto-conical in the A of space, the fluid resistance of taking out of of the lubricant oil 4 that the foaming while becoming the starting prevented by compressor causes, can prevent from being stored in the exhaustion of the lubricant oil 4 of the bottom in seal container 1.
Mode of execution 3
In mode of execution 3, spacer body adopts frusto-conical, is provided with a plurality of perk sheets on the outer circumferential face of this rake.
Fig. 6 is the longitudinal section of central part of seal container that means enlargedly the rotary compressor of mode of execution 3, and Fig. 7 is the plan view of the spacer body in mode of execution 3.In addition, in mode of execution 3, the part identical with mode of execution 1 marked to identical reference character, different parts only is described.
As shown in Figure 6, the spacer body 52 in mode of execution 3 forms the frusto-conical with the rake 52b on every side that surrounds top baffler 36.Be provided with for example two perk sheet 52a on the outer circumferential face of this rake 52b.As shown in Figure 7, this perk sheet 52a is to the sense of rotation perk of the rotor 22 of motor part 2.In addition, the number of perk sheet 52a is only an example, does not limit.
Although not shown, spacer body 52 is fixed on the upper end portion of cylinder body 31.In addition, in the rotary compressor of mode of execution 3, fuel supply line 40 separates with gap and is fixed with main shaft 23 between lower bearing 35 and bottom baffler 37.
In mode of execution 3, the swirling flow that the gas refrigerant in the A of space produces by the rotation by rotor 22, around the outside and the inboard of the rake 52b of (arrow directions X) spacer body 52.Now, together with gas refrigerant, around the lubricant oil 4 in the outside of rake 52b, be attached on the face of perk side of perk sheet 52a, the lubricant oil 4 around the inboard of rake 52b together with gas refrigerant is attached on the inner peripheral surface of rake 52b.
The lubricant oil 4 be attached to respectively on the face of perk side of the inner peripheral surface of rake 52b and perk sheet 52a falls (arrow Y-direction) downwards because of deadweight, and is recycled to the bottom in seal container 1.
In above mode of execution 3, two perk sheet 52a on the outer circumferential face of the rake 52b by being arranged on spacer body 52 and the inner peripheral surface of rake 52b, make together with gas refrigerant in the A of space around lubricant oil 4 adhere to.Thus, can make more efficiently lubricant oil 4 drop to the bottom in seal container 1, recyclability further improves.
In addition, by perk sheet 52a is set on spacer body 52, even reduce the angle of the rake 52b of frusto-conical, also can maintain sufficient effect by the increase of area of contact, the seizure raising of swirling flow.Thus, with the insulation distance of motor part 15 guarantee also become easy.
In addition, as mentioned above, by the spacer body 52 of configuration frusto-conical in the A of space, the fluid resistance of taking out of of the lubricant oil 4 that the foaming while becoming the starting prevented by compressor causes, can prevent from being stored in the exhaustion of the lubricant oil 4 of the bottom in seal container 1.
Mode of execution 4
In mode of execution 4, there is following spacer body, this spacer body forms ring-type, and a sidepiece is smooth, in the other side of the opposition side of this sidepiece, has the forniciform rake extended obliquely upward in inboard.
Fig. 8 is the longitudinal section of central part of seal container that means enlargedly the rotary compressor of mode of execution 4, and Fig. 9 is the stereogram of the spacer body of mode of execution 4.In addition, in mode of execution 4, the part identical with mode of execution 1 marked to identical reference character, different parts only is described.
As shown in Fig. 8 and Fig. 9, the spacer body 53 of mode of execution 4 forms ring-type, and a sidepiece 53a is smooth, in the other side of the opposition side of this sidepiece, has the forniciform rake 53b extended obliquely upward in inboard.One sidepiece 53a separates the upper end portion of being fixed in gap cylinder body 31 by bolt etc.Due to this sidepiece, 53a is smooth, so fixedly becoming of being undertaken by bolt is easy.In addition, in the rotary compressor of mode of execution 4, fuel supply line 40 also separates with gap and is fixed with main shaft 23 between lower bearing 35 and bottom baffler 37.
In mode of execution 4, the swirling flow that the gas refrigerant in the A of space produces by the rotation by rotor 22, around the outside and the inboard of (arrow directions X) forniciform rake 53b.Now, the contained lubricant oil 4 of gas refrigerant is attached on the inner peripheral surface of forniciform rake 53b.The lubricant oil 4 be attached on the inner peripheral surface of rake 53b falls (arrow Y-direction) downwards because of deadweight, and is recycled to the bottom in seal container 1.
In above mode of execution 4, be provided with the spacer body 53 with forniciform rake 53b in space A between motor part 2 and compression mechanical part 3, make together with gas refrigerant in the A of space around lubricant oil 4 be attached to the inner peripheral surface of this rake 53b.By forniciform rake 53b, can not hinder the lubricant oil 4 that makes efficiently discretely of gas refrigerant and lubricant oil 4 to drop to the bottom in seal container 1, recyclability further improves.
In addition, as mentioned above, the fluid resistance of taking out of of the lubricant oil 4 that the foaming when the spacer body 53 with forniciform rake 53b being set in the A of space, becoming the starting prevented by compression mechanical part 3 causes, can prevent from being stored in the exhaustion of the lubricant oil 4 of the bottom in seal container 1.
Mode of execution 5
In mode of execution 5, there is following spacer body, this spacer body forms ring-type, on upper surface, as the rake edge, circumferentially is provided with a plurality of perk sheets.
Figure 10 is the longitudinal section of central part of seal container that means enlargedly the rotary compressor of mode of execution 5, and Figure 11 is the plan view of the spacer body of mode of execution 5.In addition, in mode of execution 5, the part identical with mode of execution 1 marked to identical reference character, different parts only is described.
As shown in Figures 10 and 11, the spacer body 54 of mode of execution 5 forms ring-type, upwards is being provided with for example two hole 54b its week.By by insertion this hole 54b such as bolt, and being screwed into to cylinder body 31, also fixes spacer body 54.In this situation, spacer body 54 is fixed in the mode that separates gap between the upper end portion of itself and cylinder body 31.
Spacer body 54 circumferentially is provided with for example 6 perk sheet 54a as the rake edge on the upper surface of ring-type.Perk sheet 54a is along the sense of rotation perk of the rotor 22 of motor part 2, and outstanding laterally from the periphery of ring-type.In addition, the number of perk sheet 54a is an example, does not limit.In addition, in the rotary compressor of mode of execution 5, fuel supply line 40 separates with gap and is fixed with main shaft 23 between lower bearing 35 and bottom baffler 37.
In mode of execution 5, the swirling flow that the gas refrigerant in the A of space produces by the rotation by rotor 22, around the top of (arrow directions X) spacer body 54.Now, together with gas refrigerant, the lubricant oil 4 around this top is attached on the face of the perk side that becomes the perk of rake sheet 54a.The lubricant oil 4 be attached to respectively on the face of perk side of perk sheet 54a falls (arrow Y-direction) downwards because of deadweight, and is recycled to the bottom in seal container 1.
In above mode of execution 5, by the upper surface of ring-type as rake along 6 perk sheet 54a that circumferentially arrange, make together with gas refrigerant in the A of space around lubricant oil 4 adhere to.Thus, can make efficiently lubricant oil 4 drop to the bottom in seal container 1, recyclability further improves.
In addition, as mentioned above, have the spacer body 54 of perk sheet 54a by configuration in the A of space, the fluid resistance of taking out of of the lubricant oil 4 that the foaming while becoming the starting prevented by compression mechanical part 3 causes, can prevent from being stored in the exhaustion of the lubricant oil 4 of the bottom in seal container 1.
In addition, because spacer body 54 is dull and stereotyped ring-types, so to cylinder body 31 fixedly become easier, can easily guarantee the insulation distance with motor part 2.
In addition, in mode of execution 1~5, be illustrated for the rotary compressor that also is provided with fuel supply line 40 in seal container 1 except spacer body 50~54, but also can adopt the rotary compressor that only there is spacer body 50~54 in seal container 1.In addition, also can replace, adopt and only there is the rotary compressor of fuel supply line 40 in seal container 1.
The explanation of reference character
1 seal container, 2 motor part, the 2a air gap, 3 compression mechanical parts, 4 lubricant oil, 5 absorbing silencers, 6 suction pipes, 7 discharge tubes, 11 central containers, 12 upper containers, 13 times containers, 21 stators, 22 rotors, the 22a pore, 23 main shafts, 23a oil inlet hole, the 23b centrifugal pump, 31 cylinder bodies, 32 pistons, 33 blades, 34 upper bearings, 35 lower bearings, 36 top bafflers, the 36a pore, 37 bottom bafflers, 38 suction ports, 40 fuel supply lines, the 40a planar surface portion, 50 spacer bodies, 50a mono-sidepiece, the 50b rake, 51 spacer bodies, the 51a rake, 52 spacer bodies, 52a perk sheet, the 52b rake, 53 spacer bodies, 53a mono-sidepiece, the forniciform rake of 53b, 54 spacer bodies, 54a perk sheet, the 54b hole, 60 oil reclaim plate, the A space.

Claims (8)

1. a rotary compressor is characterized in that having:
Seal container, described seal container is stored lubricant oil in bottom;
Motor part, described motor part is arranged in described seal container;
Compression mechanical part, described compression mechanical part is arranged on the bottom in described seal container in the mode having space between itself and described motor part, driving by described motor part compressed the gas refrigerant flowed in cylinder body from suction port, and the gas refrigerant that will compress is discharged to described space from the exhaust port of at least described upper bearing of the upper bearing of main shaft and lower bearing via the baffler be arranged on this upper bearing;
Spacer body, described spacer body is arranged in described space in the mode on every side of surrounding described baffler, there is rake and make lubricant oil separate and drop to described bottom from described gas refrigerant by this rake, described rake bear obliquely swirling flow that the rotation by the rotor of described motor part produces and in described space around gas refrigerant.
2. rotary compressor as claimed in claim 1, it is characterized in that, described spacer body forms ring-type, and the one sidepiece is smooth, and there is the rake bent obliquely upward from this sidepiece, by this rake, lubricant oil is separated from described gas refrigerant.
3. rotary compressor as claimed in claim 1, is characterized in that, described spacer body forms frusto-conical, by its rake, lubricant oil separated from described gas refrigerant.
4. rotary compressor as claimed in claim 3, is characterized in that, on described rake, edge circumferentially is provided with a plurality of perk sheets of perk obliquely.
5. rotary compressor as claimed in claim 1, it is characterized in that, described spacer body forms ring-type, the one sidepiece is smooth, the other side at the opposition side of this sidepiece has the forniciform rake extended obliquely upward in inboard, by this rake, lubricant oil is separated from described gas refrigerant.
6. rotary compressor as claimed in claim 1, it is characterized in that, described spacer body forms ring-type, and surface is upper along circumferentially being provided with a plurality of perk sheets of perk obliquely thereon, using described perk sheet as rake, lubricant oil is separated from described gas refrigerant.
7. rotary compressor as claimed in claim 6, is characterized in that, on described spacer body, and the perk sheet replaced and be provided with a plurality of perk sheets of the ground perk that meets at right angles on described upper surface.
8. rotary compressor as described as any one in claim 1~7, it is characterized in that, using described baffler as the top baffler, described rotary compressor has bottom baffler and the fuel supply line on the lower bearing that is arranged on described compression mechanical part, described fuel supply line has diameter than the little hole of oily inlet hole be arranged in described main shaft, and, at one end in section, there is planar surface portion, described planar surface portion separates with gap and is fixed with described main shaft between described lower bearing and described bottom baffler, described fuel supply line is supplied with in described compression mechanical part for the lubricant oil that will be stored in described bottom.
CN201320173166.4U 2012-04-09 2013-04-09 Rotary compressor CN203384053U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012088480A JP5868247B2 (en) 2012-04-09 2012-04-09 Rotary compressor
JP2012-088480 2012-04-09

Publications (1)

Publication Number Publication Date
CN203384053U true CN203384053U (en) 2014-01-08

Family

ID=49322078

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201310120066.XA CN103362818B (en) 2012-04-09 2013-04-09 Rotary compressor
CN201320173166.4U CN203384053U (en) 2012-04-09 2013-04-09 Rotary compressor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201310120066.XA CN103362818B (en) 2012-04-09 2013-04-09 Rotary compressor

Country Status (4)

Country Link
JP (1) JP5868247B2 (en)
KR (1) KR101465868B1 (en)
CN (2) CN103362818B (en)
CZ (1) CZ306347B6 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362818A (en) * 2012-04-09 2013-10-23 三菱电机株式会社 Rotary compressor
CN105673500A (en) * 2014-11-18 2016-06-15 上海日立电器有限公司 Air conditioning system, rotary compressor thereof and method for controlling oil outlet rate

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ307894B6 (en) * 2014-11-25 2019-07-31 Mitsubishi Electric Corporation Compressor
WO2017072867A1 (en) * 2015-10-27 2017-05-04 三菱電機株式会社 Rotary compressor
CN105402133B (en) * 2015-12-11 2017-12-12 安徽美芝精密制造有限公司 Rotary compressor
KR102041118B1 (en) * 2016-02-24 2019-11-06 미쓰비시덴키 가부시키가이샤 Rotary compressor
JP6735239B2 (en) * 2017-01-24 2020-08-05 東芝キヤリア株式会社 Hermetic compressor and refrigeration cycle device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941693U (en) * 1982-09-10 1984-03-17
JPS6133988U (en) * 1984-07-31 1986-03-01
JPS61178090U (en) * 1985-04-25 1986-11-06
JPH078873Y2 (en) * 1988-07-04 1995-03-06 ダイキン工業株式会社 Hermetic compressor
JPH0333493A (en) * 1989-06-30 1991-02-13 Mitsubishi Electric Corp Enclosed rotary compressor
JPH05149286A (en) * 1991-11-29 1993-06-15 Toshiba Corp Rotary compressor
JPH06147172A (en) * 1992-11-06 1994-05-27 Matsushita Refrig Co Ltd Horizontal closed compressor
KR20080000151A (en) * 2006-06-26 2008-01-02 엘지전자 주식회사 A dischange structure for hermetic compressor and a valve assembly using the same
KR101324865B1 (en) * 2007-07-31 2013-11-01 엘지전자 주식회사 Rotary compressor
JP2009228437A (en) * 2008-03-19 2009-10-08 Sanyo Electric Co Ltd Scroll compressor
CN101684814A (en) * 2008-09-27 2010-03-31 乐金电子(天津)电器有限公司 Rotary compressor
KR101573938B1 (en) * 2009-08-10 2015-12-03 엘지전자 주식회사 compressor
JP5686985B2 (en) * 2010-04-05 2015-03-18 三菱重工業株式会社 Oil separation plate and electric compressor provided with the same
JP5868247B2 (en) * 2012-04-09 2016-02-24 三菱電機株式会社 Rotary compressor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362818A (en) * 2012-04-09 2013-10-23 三菱电机株式会社 Rotary compressor
CN105673500A (en) * 2014-11-18 2016-06-15 上海日立电器有限公司 Air conditioning system, rotary compressor thereof and method for controlling oil outlet rate
CN105673500B (en) * 2014-11-18 2017-10-27 上海日立电器有限公司 The method of air-conditioning system and its rotary compressor and control oil yield

Also Published As

Publication number Publication date
CZ306347B6 (en) 2016-12-14
CN103362818A (en) 2013-10-23
KR20130114611A (en) 2013-10-17
JP5868247B2 (en) 2016-02-24
CN103362818B (en) 2016-05-11
JP2013217281A (en) 2013-10-24
KR101465868B1 (en) 2014-11-26
CZ2013251A3 (en) 2013-10-16

Similar Documents

Publication Publication Date Title
CN101037995B (en) Scroll compressor
EP2131040B1 (en) Motor-driven scroll type compressor
CN1079500C (en) Eddy air compressor
CN100529406C (en) Rotation-type compressor with housing low pressure, control mode of coolant and oil return and applications thereof
JP3335656B2 (en) Horizontal compressor
CN104454021B (en) Fluid dynamic with runner piston synchronous cyclotron mechanism is mechanical
JP5265705B2 (en) Rotary compressor
CN101688535B (en) Multicylinder rotary type compressor, and refrigerating cycle apparatus
US9617996B2 (en) Compressor
JP5107817B2 (en) Hermetic compressor and refrigeration cycle apparatus using the same
JP4365729B2 (en) Rotary compressor
CN101709701B (en) Single-cylinder multistage gas-compression rolling piston compressor
KR101340686B1 (en) Hybrid exhaust turbine supercharger
CN102678547B (en) Scroll compressor
CN1982714B (en) Oil pump for scroll compressor
EP2154330A1 (en) Refrigeration cycle device and fluid machine used therefor
EP2995817A1 (en) Compressor
CN102076970A (en) Compressor
KR20120109088A (en) Scroll compressor
CN2861559Y (en) Horizontal type rotary compressor
EP2050966B1 (en) Compressor
US6264446B1 (en) Horizontal scroll compressor
AU2010202892B2 (en) Rotary compressor
US20080175738A1 (en) Compressor and oil blocking device therefor
CN101463820B (en) Horizontal rotary compressor

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant