CN102606478A - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
- Publication number
- CN102606478A CN102606478A CN2011100481652A CN201110048165A CN102606478A CN 102606478 A CN102606478 A CN 102606478A CN 2011100481652 A CN2011100481652 A CN 2011100481652A CN 201110048165 A CN201110048165 A CN 201110048165A CN 102606478 A CN102606478 A CN 102606478A
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- Prior art keywords
- bent axle
- fuel feeding
- road
- metal
- upper bearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/028—Means for improving or restricting lubricant flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-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
- F04C18/34—Rotary-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
- F04C18/356—Rotary-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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations 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
- F04C23/008—Hermetic pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/023—Lubricant distribution through a hollow driving shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2210/00—Fluid
- F04C2210/26—Refrigerants with particular properties, e.g. HFC-134a
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/40—Electric motor
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- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
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- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
- Y10S417/902—Hermetically sealed motor pump unit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The invention provides a rotary compressor. The efficiency of the rotary compressor is improved by restraining the reduction in strength caused by holes of an oil feed path and holes of a flow path of foamable refrigerant gas in the oil feed path arranged on a crankshaft. The characteristics are that the length of the hole of the oil feed path arranged along the axial direction of the crankshaft is under the bearing underling end of a blocking part, and the blocking part is provided with a gas flow path which is used for conducting the oil feed path and the closed container.
Description
Technical field
The present invention relates to the rotary compressor that the refrigerant gas to refrigerated air-conditioning system etc. compresses.
Background technique
In recent years, from reducing the viewpoint of environmental loads, need the more high efficiency of the suitable or compressor of nature series coolant.For example in the refrigerated air-conditioning system of the carbon dioxide coolant in having used natural series coolant, the differential pressure that sprays pressure and suction pressure with respect to the R410A refrigeration agent increases, and the load that therefore acts on each parts that constitutes compression mechanical part increases.Therefore, in the prior art, how reducing the distortion of the compression mechanical part of allowing and suppressing mechanical loss becomes big problem.
In the rotary compressor that the refrigerant gas to refrigerated air-conditioning system etc. compresses, possesses the bent axle that the rotating torques of the motor part of taking in the seal container with compressor transmits to compression mechanical part.Said bent axle need have the intensity with respect to two load.These two load are meant rotating torques that motor part produces and the radially gas compression torque in the load of effect and the compression mechanical part that acts on rotating torques that said motor part produces and mainly act on the load in the bearing portion that keeps said bent axle through magnetic attraction in the other direction.
For refrigerating machine oil that bottom in the seal container of said compressor is stored is supplied with and on the said bent axle of a side, axially is set to the hole on fuel feeding road from lower end edge to said compression mechanical part.And the fuel feeding obstacle that causes for the foamed phenomenon that prevents to be added to the refrigerant gas in the refrigerating machine oil, and for example shown in the patent documentation 1, the extending direction along the hole that becomes said fuel feeding road on said bent axle is provided with gas flow path.
Patent documentation 1: TOHKEMY 2008-208752 communique
The diameter of axle of said bent axle is necessary for and said fuel feeding road and gas flow path can be set and has the torque that produces with said motor part and compression mechanical part and the thickness of the intensity that load is relative.Yet if the diameter of axle of said bent axle is thick, the frictional force of said bearing portion increases, and mechanical loss takes place.At this, the hole that becomes said fuel feeding road must be along the axial setting of said bent axle in order to supply with refrigerating machine oil to each sliding position of said compression mechanical part.Thus, when considering said strength of crankshaft, it is necessary inferior limit that the hole that becomes said fuel feeding road need make axial length.On the other hand, said gas flow path need be with conducting in said fuel feeding road and the said seal container, but may not be along the axial setting of said bent axle.
In patent documentation 1, the said bent axle of said fuel feeding curb axially offer supreme side bearing central authorities from the lower end near.And said gas flow path has dwindled at the internal diameter with respect to said fuel feeding road on the basis of diameter to be offered near the lower end of said motor part with the mode that prolongs said fuel feeding road, then, and towards radially offering of said bent axle.Thus, the part that engages with said motor part in the said bent axle becomes solid shaft, so intensity is high.Yet because the part that acts on said last side bearing portion in the said bent axle is a quill shaft, so intensity is low.Thus in the quill shaft of said bent axle act on said in the part of side bearing portion, owing to said torque and load deform, therefore might cause increasing and the decrease in efficiency of compressor with the said frictional force that goes up side bearing portion.
Summary of the invention
The objective of the invention is to improve the efficient of compressor.
The object of the invention is through the realization that is described below,
A kind of rotary compressor; In seal container, take in motor part; And bent axle and compression mechanical part be set; This bent axle has the eccentric part of the rotation of transmitting said motor part, and this compression mechanical part carries out compression work through the rotating power of said bent axle, and said compression mechanical part comprises: clutch release slave cylinder; Roller, it is configured in the said clutch release slave cylinder and the eccentric part through bent axle is rotated driving; Blade, it extends along said roller periphery, comes in and goes out in the container that is arranged at said clutch release slave cylinder corresponding to the eccentric motion of said roller; Inaccessible parts, the both ends of the surface of its airtight said clutch release slave cylinder and have the bearing portion that keeps said bent axle, the refrigerating machine oil that said compression mechanical part is lubricated is stored in the bottom in said seal container,
Axially be set to the hole on the fuel feeding road of said refrigerating machine oil from the lower end edge of said bent axle, be provided with conducting in said fuel feeding road and the said seal container and become the hole of the stream of the refrigerant gas that in said fuel feeding road, foams, wherein,
Along the length in the hole that becomes the fuel feeding road of the axial setting of said bent axle is below the bearing subordinate of the inaccessible parts of said upside holds, and the said bent axle in the inaccessible parts upper edge of said upside roughly radially have said fuel feeding road and said seal container in the gas flow path of conducting.
In addition, the object of the invention is through the realization that is described below,
Through the supporting of upper bearing (metal) burden bent axle, this upper bearing (metal) has the upper bearing (metal) planar surface portion that is used for fixing in seal container,
Rotation through said bent axle makes the volume-variation that is provided in the pressing chamber in the clutch release slave cylinder, and compressed refrigerant,
Through being provided in the fuel feeding road in the said bent axle, draw the oil in the said seal container, and with oil to said pressing chamber and supply with on every side, said rotary compressor is characterised in that,
Said bent axle has the fuel feeding road; This fuel feeding road is to be used to fuel feeding road that oil is passed through; Connect the thickness of said clutch release slave cylinder and set to the position of the corresponding said bent axle of said upper bearing (metal) planar surface portion; And the position of no show and said upper bearing (metal) portion corresponding said bent axle and said bent axle that should be corresponding remains solid
On said upper bearing (metal) planar surface portion, be equipped with and be used for from the gas flow path of said pressing chamber to said seal container ejection refrigeration agent.
The invention effect
According to the present invention, can raise the efficiency.
Description of drawings
Fig. 1 is the longitudinal sectional view of rotary compressor of the present invention.
Fig. 2 is the longitudinal sectional view of the compressor of existing technology.
Fig. 3 is the sectional view that flows of expression refrigerating machine oil of the present invention and refrigerant gas.
Fig. 4 is the refrigerating machine oil of expression existing technology and the sectional view that flows of refrigerant gas.
Symbol description:
1 seal container
2 bent axles
The eccentric part of 2a bent axle
2b fuel feeding road
The 2c lower bearing is supplied with the road
The 2d eccentric part is supplied with the road
The 2e upper bearing (metal) is supplied with the road
The 2f gas flow path
3 clutch release slave cylinders
3a clutch release slave cylinder internal face
4 rollers
4a roller outer wall
6 upper bearing (metal)s
6a upper bearing (metal) internal face
6b upper bearing (metal) portion
6c upper bearing (metal) groove
6d gas flow path outlet top wall
6e upper bearing (metal) planar surface portion
7 lower bearings
7a lower bearing internal face
7b lower bearing portion
7c lower bearing groove
8 refrigerating machine oils
9 suction ports
10 pressing chambers
12 supply with way outlet side space
Embodiment
Below, use accompanying drawing, illustrative embodiment.
In the seal container 1 of the housing that becomes compressor, bent axle 2 and compression mechanical part are set; This bent axle 2 has the eccentric part of the rotation of transmitting motor part; This compression mechanical part carries out compression work through the rotating power of said bent axle 2, and said compression mechanical part comprises: clutch release slave cylinder 3; Be configured in the roller 4 that is rotated driving in the said clutch release slave cylinder 3 and through the eccentric part 2a of said bent axle 2; The blade 5 that said roller 4 peripheries in edge are extended and come in and gone out in the container that is arranged at said clutch release slave cylinder 3 corresponding to the eccentric motion of said roller 4; Seal the upper-end surface of said clutch release slave cylinder 3 and have the upper bearing (metal) 6 of the bearing portion that keeps said bent axle 2; Seal the lower end surface of said clutch release slave cylinder 3 and have the lower bearing 7 of the bearing portion that keeps said bent axle 2.
Need to prove that upper bearing (metal) 6 is main component part with 6b of upper bearing (metal) portion and upper bearing (metal) planar surface portion 6e.Through upper bearing (metal) planar surface portion 6e and seal container 1 is fixing, and upper bearing (metal) 6 is fixed in seal container 1.Therefore, upper bearing (metal) planar surface portion 6e has axial length (thickness) to a certain degree.
Store the bottom in said seal container 1 has the lubricated refrigerating machine oil 8 that carries out said compression mechanical part.Compressor constitutes the part of refrigerating circulatory device.Said compression mechanical part, flow in the clutch release slave cylinder 3 to the refrigerant gas that compressor flows into from refrigeration cycle from the suction port 9 that is arranged at clutch release slave cylinder 3; In the pressing chamber 10 that is formed by clutch release slave cylinder internal face 3a, roller outer wall 4a, said blade side, upper bearing (metal) internal face 6a, lower bearing internal face 7a, boost, never illustrated ejiction opening is discharged in the said seal container 1.
The fuel feeding road 2b of said refrigerating machine oil 8 diameter d 1 of the axial setting of said bent axle 2 from the edge draws; And through become from said fuel feeding road 2b to the 2c on the supply road of the 7b of lower bearing portion, become from said fuel feeding road 2b to the 2d on the supply road of the eccentric part 2a of said bent axle and roller internal face 4b, from the said fuel feeding road 2b supply road 2e of the 6b of bearing portion that makes progress, and supply with to each slide part.
Said three outlet sides of supplying with road 2c, 2d, 2e are provided for improving the space 12 of the inflow property of said refrigerating machine oil.On said upper bearing (metal) 6b of portion and the 7b of lower bearing portion, be respectively equipped with groove 6c and 7c (among the figure tiltedly dotted line), rotatablely moving and utilized the viscosity pump mechanism of the viscosity of said refrigerating machine oil 8 to carry out fuel feeding through said bent axle 2.Solid arrow among Fig. 3 and Fig. 4 is represented flowing of said refrigerating machine oil 8.
At this, the refrigerant gas liquefaction of discharging from said ejiction opening and being added to the said refrigerating machine oil 8.The refrigeration agent that is added in the said refrigerating machine oil 8 gasifies through the rising or the decompression of environment temperature, and volume enlarges and the generation foamed phenomenon.Therefore, on said fuel feeding road 2b, be provided with the gas flow path of the fuel feeding obstacle that is used to prevent that said foamed phenomenon from causing.Dotted arrow among Fig. 3 and Fig. 4 representes to be added to flowing after the refrigeration agents gasification in the said refrigerating machine oil 8.
Below, use Fig. 2 that existing technology is described, carry out making clear of problem of the present invention.Said fuel feeding road 2b is with the substantial middle that axially from the lower end of said bent axle 2 be arranged to said upper bearing (metal) portion 6b of diameter d 1 with the said bent axle 2 in length edge.And; Hole 2f is the gas flow path through the fuel feeding obstacle that conducting in said fuel feeding road 2b and the said seal container 1 is used to prevent that the foamed phenomenon in the said fuel feeding road 2b from causing, this hole 2f is from upper-end surface axially the offering to the upper end of said bent axle 2 with diameter d 2 along said bent axle 2 of said fuel feeding road 2b.Therefore, said bent axle 2 becomes quill shaft through said fuel feeding road 2b and gas flow path 2f in the whole length from the lower end to the upper end.
At this, said bent axle 2 transmits the rotating force of said motor part and is kept by the said upper bearing (metal) 6b of portion, therefore need be with respect to torque and crooked intensity of force.Especially in the said upper bearing (metal) 6b of portion,
By the diameter D1 of said bent axle 2 and the peripheral speed of compressor rotary speed decision,
From the normal load of 2 couples of said upper bearing (metal) 6b of portion of said bent axle,
By the friction factor of the surface properties decision of said bent axle 2 and the said upper bearing (metal) 6b of portion, work by the frictional force of the product representation of above-mentioned three elements, mechanical loss takes place.
Determine the normal load in the three elements of said frictional force to increase and increase along with the distortion of said bent axle 2.And the peripheral speed that determines the said bent axle 2 in the three elements of said frictional force increases and increases along with the diameter D1 of said bent axle 2.
Therefore the mechanical loss that produces for the power of reducing friction, and need to suppress the distortion of said bent axle 2 or reduce the peripheral speed of the bearing portion of said bent axle 2.In the Environmental Conditions of in recent years compressor; Be the cylinder volume that purpose needs to increase rotating speed or expansion compressor to improve heating efficiency when for example being equipped on home-use indoor air conditioner, thereby become the distortion of said bent axle 2 or the situation that peripheral speed has to increase.
In addition, the refrigerant gas that produces through said foamed phenomenon and mobile in said gas flow path 2f through the part of the said refrigerating machine oil 8 behind the said fuel feeding road 2b.At this, said refrigerating machine oil 8 is in order to carry out to the stable supply of each slide part of compressor and preferred immobilization bottom in said seal container 1, but a part flows out to the outside refrigeration cycle of compressor with flowing of refrigerant gas.
Said refrigerating machine oil 8 is when the discharge of refrigeration cycle is excessive, and the increase of the flow path resistance in the refrigeration cycle and the decline of heat exchange efficiency can cause decrease in efficiency.Since the variation of aforesaid compressor Environmental Conditions in recent years, and the circulating load of refrigerant gas also increases, and therefore requires to reduce the discharge of said refrigerating machine oil 8 to refrigeration cycle.
In this kind background; As existing technology, becoming in the said bent axle 2 of quill shaft through fuel feeding road 2b and gas flow path 2f, especially suppressing is flowed and flow out the decrease in efficiency that causes to refrigeration cycle through gas flow path 2f and to said motor part top by the strength deficiency of said upper bearing (metal) portion and said refrigerating machine oil 8 becomes problem.
With respect to above-mentioned problem, below, use Fig. 1 that embodiments of the invention are described.
Said fuel feeding road 2b forms the axial lower end from said bent axle 2 of length along said bent axle 2 below the lower end of the said upper bearing (metal) 6b of portion with diameter d 1.Said gas flow path 2f is along the occlusive part that radially is arranged on said upper bearing (metal) 6 of said bent axle 2.Through above structure, can solve said two problems of the prior art is the mechanical loss and the oily decrease in efficiency that causes to the outflow of refrigeration cycle that frictional force causes.
At first narrate first problem and be the minimizing of mechanical loss of the bearing portion of said bent axle 2.Said fuel feeding road 2b in order to supply with said refrigerating machine oil 8 to each slide part need with said three supply with road 2c, 2d, 2e conducting.Therefore, the length on said fuel feeding road need be arranged to arrive said three said upper bearing (metal)s of supplying with among road 2c, 2d, the 2e that are in the top and supply with road 2e.Because said space 12 is set, therefore do not become gear mechanism near the outlet of said upper bearing (metal) fuel feeding road 2e.As stated, said bent axle 2 is that said upper bearing (metal) is supplied with more than the lower end of road 2e and for below the said upper bearing (metal) portion 6b lower end through the length that makes said fuel feeding road 2b, and can increase the distortion that solid part suppresses axle.
At this, the upper end preferred disposition of said fuel feeding road 2b is in said upper bearing (metal) is supplied with the diameter of road 2e.Thus, carry out air blast, discharge and can easily said fuel feeding road 2b be added the cutting powder or the foreign matters such as cleaning solution after 2 cleanings of said bent axle or residue in man-hour through lower end or said upper bearing (metal) supply road 2e from said fuel feeding road 2b.
In addition, through said gas flow path 2f is arranged on the occlusive part of said upper bearing (metal) 6, and can make the said upper bearing (metal) 6b of portion in the said bent axle 2 form solid shaft, can suppress distortion equally with the position that constitutes gear mechanism.Thus, can reduce to improve the efficient of compressor from the frictional force of the normal load generation of 2 couples of said upper bearing (metal) 6b of portion of said bent axle.Perhaps, form solid shaft through position with said upper bearing (metal) 6b of portion of the formation in the said bent axle 2 and gear mechanism, and can with the reduced of said bent axle 2 to the amount of deformation of said bent axle 2 identical till.Thus, the peripheral speed of the said frictional force of decision can be reduced, the efficient of compressor can be improved.
Next narrating second problem is that said refrigerating machine oil 8 suppresses to the outflow of refrigeration cycle.Through aforesaid said gas flow path 2f is arranged on the occlusive part of said upper bearing (metal) 6, and can make circulating below airtight of the said upper bearing (metal) 6 of said refrigerating machine oil 8 in said seal container 1.Thus, the influence that rotatablely moves of said motor part can be suppressed, outflow can be suppressed to refrigeration cycle.At this, the outlet that is arranged on the gas flow path 2f on the occlusive part of said upper bearing (metal) 6 preferably is provided with the wall 6d that flow of inhibition to the occlusive part top of said upper bearing (metal) 6.
More than; According to present embodiment; Through make the length that is arranged on the hole that becomes the fuel feeding road on the said bent axle be the bearing subordinate of said inaccessible parts hold following and with said gas flow path along on the inaccessible parts of the said upside of being arranged radially in of bent axle; And the bearing portion that can make said bent axle is a solid shaft, and passes through the effect of the distortion of the said bent axle of minimizing, can improve the efficient of compressor.
In addition, be solid shaft through the bearing portion that makes said bent axle, till can the diameter of axle of said bent axle being reduced to the amount of deformation that makes said bent axle and equating in the past, and the effect of the peripheral speed through reducing bearing portion and the efficient of compressor of can improving.And; Through being arranged on gas flow path on the said bent axle along on the inaccessible parts of the said upside of being arranged radially in of bent axle; And the refrigerating machine oil that store the bottom in the seal container of compressor is circulated, thereby can prevent the decrease in efficiency that the outflow to refrigeration cycle causes below the inaccessible parts of upside.
That is,, can raise the efficiency through suppressing to be arranged on the hole that becomes the fuel feeding road on the bent axle and becoming the reduction in strength that the hole of the stream of the refrigerant gas that foams in the fuel feeding road causes.
Claims (6)
1. rotary compressor; In seal container, take in motor part; And bent axle and compression mechanical part be set; This bent axle has the eccentric part of the rotation of transmitting said motor part, and this compression mechanical part carries out compression work through utilizing said crank-driven, and said compression mechanical part comprises: clutch release slave cylinder; Roller, it is configured in the said clutch release slave cylinder and the eccentric part through bent axle is rotated driving; Blade, it extends along said roller periphery, comes in and goes out in the container that is arranged at said clutch release slave cylinder corresponding to the eccentric motion of said roller; Spring, it is pushed said blade to roller; Inaccessible parts, it seals the both ends of the surface of said clutch release slave cylinder and has the bearing portion that keeps said bent axle,
With lubricated said compression mechanical part is that the refrigerating machine oil of purpose is stored in bottom in the seal container, on said bent axle, is provided with to be used for said refrigerating machine oil to the fuel feeding road that said compression mechanical part is supplied with, and said rotary compressor is characterised in that,
Below the bearing subordinate who axially is configured to the inaccessible parts of upside from the lower end of bent axle of the said bent axle of fuel feeding curb of said bent axle holds, and on the inaccessible parts of said upside, dispose gas flow path with said fuel feeding road and said seal container conducting.
2. rotary compressor according to claim 1 is characterized in that,
The upper end on the fuel feeding road of said bent axle is configured in to become and is used for said refrigerating machine oil in the diameter in the hole on the supply road of the bearing portion supply of the inaccessible parts of said upside.
3. rotary compressor according to claim 1 is characterized in that,
The gas flow path that said fuel feeding road and said seal container are communicated with comprise from the supply road of the eccentric part outer wall of the said bent axle of said fuel feeding road direction and in the lip part thickness of the inaccessible parts of said upside along the hole of radially offering of said bent axle.
4. rotary compressor according to claim 3 is characterized in that,
In the lip part thickness of the inaccessible parts of said upside, have the wall that flow of inhibition above in said seal container along the outlet in the hole of radially offering of said bent axle.
5. rotary compressor,
Through the supporting of upper bearing (metal) burden bent axle, this upper bearing (metal) has the upper bearing (metal) planar surface portion that is used for fixing in seal container,
Rotation through said bent axle makes the volume-variation that is provided in the pressing chamber in the clutch release slave cylinder, and compressed refrigerant,
Through being provided in the fuel feeding road in the said bent axle, draw the oil in the said seal container, and with oil to said pressing chamber and supply with on every side, said rotary compressor is characterised in that,
Said bent axle has the fuel feeding road; This fuel feeding road is to be used to fuel feeding road that oil is passed through; Connect the thickness of said clutch release slave cylinder and set to the position of the corresponding said bent axle of said upper bearing (metal) planar surface portion; And the position of no show and said upper bearing (metal) portion corresponding said bent axle and said bent axle that should be corresponding remains solid
On said upper bearing (metal) planar surface portion, be equipped with and be used for from the gas flow path of said pressing chamber to said seal container ejection refrigeration agent.
6. rotary compressor according to claim 5 is characterized in that,
Said fuel feeding road is oily in order around said pressing chamber, to supply with, and supplies with the road and be communicated with lower bearing supply road, eccentric part supply road, upper bearing (metal).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-011508 | 2011-01-24 | ||
| JP2011011508A JP5358591B2 (en) | 2011-01-24 | 2011-01-24 | Rotary compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102606478A true CN102606478A (en) | 2012-07-25 |
| CN102606478B CN102606478B (en) | 2015-09-30 |
Family
ID=46524151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110048165.2A Active CN102606478B (en) | 2011-01-24 | 2011-02-25 | Rotary compressor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5358591B2 (en) |
| KR (1) | KR101300961B1 (en) |
| CN (1) | CN102606478B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712530A (en) * | 2013-12-12 | 2015-06-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN112412799A (en) * | 2020-12-03 | 2021-02-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft, compressor, oil supply method of compressor and electric appliance |
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| JPS62188586U (en) * | 1986-05-20 | 1987-12-01 | ||
| JPS63223385A (en) * | 1987-03-13 | 1988-09-16 | Hitachi Ltd | Rotary compressor |
| JPS63230982A (en) * | 1987-03-20 | 1988-09-27 | Hitachi Ltd | Rotary compressor |
| JP3379114B2 (en) * | 1992-08-26 | 2003-02-17 | 株式会社日立製作所 | Rotary compressor |
| KR20040023069A (en) * | 2002-09-10 | 2004-03-18 | 엘지전자 주식회사 | Hermetic rotary compressor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4168506B2 (en) | 1999-01-25 | 2008-10-22 | ダイキン工業株式会社 | Rotary compressor |
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2011
- 2011-01-24 JP JP2011011508A patent/JP5358591B2/en active Active
- 2011-02-21 KR KR1020110014895A patent/KR101300961B1/en active IP Right Grant
- 2011-02-25 CN CN201110048165.2A patent/CN102606478B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62188586U (en) * | 1986-05-20 | 1987-12-01 | ||
| JPS63223385A (en) * | 1987-03-13 | 1988-09-16 | Hitachi Ltd | Rotary compressor |
| JPS63230982A (en) * | 1987-03-20 | 1988-09-27 | Hitachi Ltd | Rotary compressor |
| JP3379114B2 (en) * | 1992-08-26 | 2003-02-17 | 株式会社日立製作所 | Rotary compressor |
| KR20040023069A (en) * | 2002-09-10 | 2004-03-18 | 엘지전자 주식회사 | Hermetic rotary compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712530A (en) * | 2013-12-12 | 2015-06-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN112412799A (en) * | 2020-12-03 | 2021-02-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Crankshaft, compressor, oil supply method of compressor and electric appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5358591B2 (en) | 2013-12-04 |
| KR101300961B1 (en) | 2013-08-27 |
| CN102606478B (en) | 2015-09-30 |
| JP2012154185A (en) | 2012-08-16 |
| KR20120085628A (en) | 2012-08-01 |
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