CN107882730A - A kind of rotor-type compressor and its assembly method - Google Patents
A kind of rotor-type compressor and its assembly method Download PDFInfo
- Publication number
- CN107882730A CN107882730A CN201711281086.XA CN201711281086A CN107882730A CN 107882730 A CN107882730 A CN 107882730A CN 201711281086 A CN201711281086 A CN 201711281086A CN 107882730 A CN107882730 A CN 107882730A
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- China
- Prior art keywords
- frame
- cylinder
- housing
- rotor
- type compressor
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims abstract description 28
- 238000009966 trimming Methods 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims description 15
- 230000006698 induction Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 3
- 229920000297 Rayon Polymers 0.000 claims description 3
- 238000005219 brazing Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 2
- 239000003921 oil Substances 0.000 description 11
- 239000003507 refrigerant Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- 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
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
-
- 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
-
- 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
-
- 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
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/045—Heating; Cooling; Heat insulation of the electric motor in hermetic pumps
-
- 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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- 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
- F04C2240/10—Stators
-
- 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
- F04C2240/30—Casings or housings
-
- 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
- F04C2240/80—Other components
- F04C2240/805—Fastening means, e.g. bolts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
A kind of rotor-type compressor and its assembly method are disclosed, rotor-type compressor includes upper clamshell lid, motor stator, housing unit, pump assembly and lower clamshell lid, the raised outer shroud outer circumference surface of frame is provided with least one axial trimming, interior concave station is provided with the middle part of the endoporus of frame, the interior concave station includes interior concave station plane, motor stator one end is directly installed in interior concave station plane and motor stator outer circumference surface is fastened on inner housing periphery face, the cylinder air entry of inlet channel one end is arranged on cylinder and the contact surface of frame and coaxial with the gas outlet in frame, the cylinder gas outlet of the inlet channel other end is arranged on cylinder inner peripheral surface, inlet channel mutually passes through generation to blind hole from cylinder axial blind hole with cylinder bore, radial blind holes center line is more than or equal to 30 ° with cylinder-bore axis angle.
Description
Technical field
The present invention relates to a kind of Compressor Technology field, particularly a kind of rotor-type compressor and its assembly method.
Background technology
Rotor-type compressor of the prior art be motor stator hot jacket on housing, pump assembly by cylinder or
Three or more plug weldings that upper cylinder covers are spot welded on housing.So it is difficult to ensure that motor stator, rotor coaxial, and easily draw
Pump assembly welding deformation is played, the pump housing caused by some rotor compressors installation inlet pipe connection determines core sideslip, brings one
Open frame difficulty of processing is big, low production efficiency, return air path cross-sectional area is small, oil return is difficult to and cylinder intake path is difficult to
The problems such as.
Disclosed above- mentioned information is used only for strengthening the understanding to background of the present invention in the background section, it is thus possible to
Include the information of prior art known to a person of ordinary skill in the art in not forming home.
The content of the invention
In view of the above problems, it is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind
New inlet channel without internal leakage, nothing determine core sideslip problem, rotor air gap is easy to ensure while has new high pressure refrigerant
Peripheral passage, while spare part rotor-type compressor easy to process and its assembly method.
The purpose of the present invention is to be achieved by the following technical programs.
One aspect of the present invention, a kind of rotor-type compressor include upper clamshell lid, motor stator, housing unit, the pump housing
Component and lower clamshell lid.
Housing unit includes housing, the frame being located in the housing and the connection housing and connected with the air inlet of frame
Pipe.
Upper clamshell lid and lower clamshell lid connect the both ends of the housing respectively, and the housing is provided with radial suction hole,
The raised outer shroud outer circumference surface of the frame is provided with least one axial trimming, the cross-sectional area of the trimming
The π R of sum S≤0.252, wherein, R is motor stator excircle radius, and the side of the frame sets the air entry of radial direction, described
Frame end face sets the gas outlet of axial direction, is provided with interior concave station in the middle part of the endoporus of the frame, the interior concave station is put down including interior concave station
Face, motor stator one end is directly installed in interior concave station plane and motor stator outer circumference surface is fastened on the inner peripheral surface of frame
So that motor stator is arranged on step-like platform, the frame outer circumference surface is fixed on housing inner peripheral surface.
Air entry of the inlet pipe connection through insertion frame side behind the radial suction hole on housing.
Being fixed on the pump assembly of the frame includes rotor, bent axle, upper cylinder cover, piston, lower cylinder cap and cylinder, bent
Rotor, bent axle bottom installation piston, the cylinder being fixed between upper cylinder cover and lower cylinder cap and the frame are fixed in axle top
It is in close contact, piston is arranged in cylinder, and bent axle passes through upper cylinder cover and lower cylinder cap；On cylinder set L-type inlet channel, it is described enter
The cylinder air entry of gas passage end is arranged on cylinder and the contact surface of frame and coaxial with the gas outlet in frame, enters
The cylinder gas outlet of the gas passage other end is arranged on cylinder inner peripheral surface, and the inlet channel is by cylinder axial blind hole and cylinder
Radial blind holes mutually pass through generation, wherein radial blind holes center line and cylinder-bore axis angle >=30 °.
In described rotor-type compressor, pump assembly is fixed on the frame via multiple screws, upper clamshell lid and
Lower clamshell lid connects the both ends of the housing via laser welding respectively.
In described rotor-type compressor, the raised outer shroud outer circumference surface of frame is provided with least one axial lead to
Hole, the π R of its cross-sectional area sum S≤0.252, wherein, R is motor stator excircle radius.
In described rotor-type compressor, the raised outer shroud outer circumference surface of the frame is provided with least one axial
The π R2 of the cross-sectional area sum S of trimming and at least one axial through hole, trimming and through hole≤0.25, wherein, R is motor stator
Sub- excircle radius.
In described rotor-type compressor, described frame outer circumference surface and housing inner peripheral surface, inlet pipe connection with
The suction hole in radial suction hole and frame side on housing is welded using furnace brazing.
In described rotor-type compressor, described frame outer circumference surface and housing inner peripheral surface, inlet pipe connection with
The suction hole in radial suction hole and frame side on housing is welded using high frequency induction welding.
In described rotor-type compressor, described frame material is mild steel.
In described rotor-type compressor, described cylinder material is powder metallurgy.
In described rotor-type compressor, upper clamshell lid connects the housing with lower clamshell lid viscose glue.
Another aspect of the present invention, include the step of a kind of assembly method of described rotor-type compressor：
First step, housing unit assembling, the raised outer shroud outer circumference surface of the frame is provided with least one axial
Trimming, the π R of the cross-sectional area sum S of the trimming≤0.252, wherein, R is motor stator excircle radius, the side of the frame
Face sets the air entry of radial direction, and the frame end face sets the gas outlet of axial direction, interior concave station is provided with the middle part of the endoporus of the frame,
The interior concave station includes interior concave station plane, and the frame outer circumference surface is fixed on housing inner peripheral surface, inlet pipe connection passes through
The air entry of frame side is inserted behind radial suction hole on housing and using weldering in stove or high frequency induction welding welding；
Second step, described motor stator one end is directly installed in frame in concave station plane and motor stator outer circumference surface
Being fastened on the inner peripheral surface of frame causes motor stator to be arranged on step-like platform；
Third step, pump assembly assembling, rotor are fixed on bent axle top, and piston is arranged on bent axle bottom and setting
In cylinder, the cylinder being fixed between upper cylinder cover and lower cylinder cap is in close contact with frame, and bent axle passes through upper cylinder cover and lower cylinder cap；
L-type inlet channel is set on cylinder, and the cylinder air entry of described inlet channel one end is arranged on cylinder and the contact surface of frame
And it is coaxial with the gas outlet in frame, the cylinder gas outlet of the inlet channel other end is arranged on cylinder inner peripheral surface, it is described enter
Gas passage mutually passes through generation to blind hole from cylinder axial blind hole and cylinder bore, wherein radial blind holes center line and cylinder-bore axis angle >=
30°；
Four steps, pump assembly is fixed in frame using screw；
5th step, upper clamshell lid and lower clamshell lid connect the both ends of the housing respectively.
The rotor-type compressor and its assembly method of the present invention, housing, frame are separately easy to process, and cylinder L-type air inlet is led to
Road is easy to process, difficulty of processing is low, production efficiency is high and oil return easily and cylinder intake passage be easy to processing and without internal leakage,
Nothing determines core sideslip problem and rotor air gap is easy to ensure, the high pressure refrigerant of the oil-containing of discharge is between rotor in compressor pump body
The oil on multiple axial cut-outs flow direction motor rotor tops that the inner peripheral surface of gap and stator trimming and frame projection outer shroud is formed
Disengagement chamber, trimming of the refrigerator oil on the outer circumference surface of frame projection outer shroud after separation combine shape with housing inner peripheral surface
Into passage flow to shoe cream room.In compressor pump body the high pressure refrigerant of the oil-containing of discharge can directly cooled machine winding, motor can
High by property and electric efficiency, drainback passage cross-sectional area is big, and oil spitting amount of compressor is small, system adaptation is good.
Described above is only the general introduction of technical solution of the present invention, in order to cause the technological means of the present invention clearer
Understand, reach the degree that those skilled in the art can be practiced according to the content of specification, and in order to allow the present invention
Above and other objects, features and advantages can become apparent, below with the present invention embodiment illustrated
Explanation.
Brief description of the drawings
By reading the detailed description hereafter in preferred embodiment, the advantages of present invention is various other and benefit
It will be clear understanding for those of ordinary skill in the art.Figure of description is only used for showing the purpose of preferred embodiment,
And it is not considered as limitation of the present invention.It should be evident that drawings discussed below is only some embodiments of the present invention,
For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Other accompanying drawings.And in whole accompanying drawing, identical part is presented with like reference characters.
In the accompanying drawings：
Fig. 1 is the structural representation of rotor-type compressor according to an embodiment of the invention；
Fig. 2 is the section signal of A-A on the frame projection outer shroud of rotor-type compressor according to an embodiment of the invention
Figure；
Fig. 3 is the section signal of A-A on the frame projection outer shroud of rotor-type compressor according to an embodiment of the invention
Figure；
Fig. 4 is the section signal of A-A on the frame projection outer shroud of rotor-type compressor according to an embodiment of the invention
Figure；
Fig. 5 is the step schematic diagram of the installation method of rotor-type compressor according to an embodiment of the invention；
Wherein, the upper clamshell lids of 1-, 2- motor stators, 3- rotors, 4- housing units, 40- housings, 400- radial suctions
Hole, 41 frames, concave station plane in 410-, 411- inner housing peripheries face, 412- air entries, 413- gas outlets, 42- air inlets connection
Manage, 5- bent axles, 6- upper cylinder covers, 7- screws, 8- pistons, cylinder cap under 9-, clamshell lid under 10-, 11- cylinders, 110- cylinder air entries,
111- cylinders gas outlet.
The present invention is further explained below in conjunction with drawings and examples.
Embodiment
The specific embodiment of the present invention is more fully described below with reference to accompanying drawings.Although show the present invention's in accompanying drawing
Specific embodiment, it being understood, however, that may be realized in various forms the present invention without should be limited by embodiments set forth here
System.Conversely, there is provided these embodiments are to be able to be best understood from the present invention, and can be complete by the scope of the present invention
Be communicated to those skilled in the art.
It should be noted that some vocabulary has been used to censure specific components among specification and claim.Ability
Field technique personnel it would be appreciated that, technical staff may call same component with different nouns.This specification and right
It is required that not in a manner of the difference of noun is used as and distinguishes component, but differentiation is used as with the difference of component functionally
Criterion."comprising" or " comprising " as mentioned in working as in specification in the whole text and claim are an open language, therefore should be solved
It is interpreted into " include but be not limited to ".Specification subsequent descriptions for implement the present invention better embodiment, so it is described description be with
For the purpose of the rule of specification, the scope of the present invention is not limited to.Protection scope of the present invention is when regarding appended right
It is required that institute's defender is defined.
For ease of the understanding to the embodiment of the present invention, solved below in conjunction with accompanying drawing is further by taking specific embodiment as an example
Explanation is released, and each accompanying drawing does not form the restriction to the embodiment of the present invention.
In order to more fully understand, Fig. 1 is the structural representation of rotor-type compressor according to an embodiment of the invention, such as
Shown in Fig. 1, the rotor-type compressor includes upper clamshell lid 1, motor stator 2, housing unit 4, pump assembly and lower clamshell lid
10。
Housing unit 4 includes housing 40, the frame 41 being located in the housing 40 and the connection housing 40 and frame
41 inlet pipe connection 42.
Upper clamshell lid 1 and lower clamshell lid 10 connect the both ends of the housing 40 respectively, and the housing 40 is provided with radial suction
Hole 400.
Fig. 2 is the section signal of A-A on the frame projection outer shroud of rotor-type compressor according to an embodiment of the invention
Figure, as shown in Fig. 2 the raised outer shroud outer circumference surface of the frame 41 is provided with least one axial trimming, the trimming
The π R of cross-sectional area sum S≤0.252, wherein, R is motor stator excircle radius, and the side of the frame 41 sets radial direction
Air entry 412, the end face of frame 41 set the gas outlet 413 of axial direction, interior concave station, institute are provided with the middle part of the endoporus of the frame 41
Stating interior concave station includes interior concave station plane 410, and the one end of motor stator 2 is directly installed in interior concave station plane 410 and outside motor stator 2
Periphery, which is fastened on inner housing periphery face 411, causes motor stator 2 to be arranged on step-like platform, the excircle of frame 41
Face is fixed on the inner peripheral surface of housing 40.The rotor-type compressor of the present invention can ensure between frame and motor stator well
The problem of axiality, avoid hot jacket high temperature from producing influence of thermal deformation to stator, be advantageous to the guarantee in gap between rotor.
Air entry of the inlet pipe connection 42 through insertion frame 41 side behind the radial suction hole 400 on housing 40
412。
Being fixed on the pump assembly of the frame 41 includes rotor 3, bent axle 5, upper cylinder cover 6, piston 8, the and of lower cylinder cap 9
Cylinder 11, the top of bent axle 5 are fixed rotor 3, the bottom of bent axle 5 installation piston 8, are fixed between upper cylinder cover 6 and lower cylinder cap 9
Cylinder 11 is in close contact with the frame 41, and piston 8 is arranged in cylinder 11, and bent axle 5 passes through upper cylinder cover 6 and lower cylinder cap 9；Cylinder
L-type inlet channel is set on 11, and the cylinder air entry 110 of described inlet channel one end is arranged on contact of the cylinder 11 with frame 41
On face and coaxial with the gas outlet 413 in frame 41, the cylinder gas outlet 111 of the inlet channel other end is arranged on cylinder 11
On inner peripheral surface, the inlet channel mutually passes through generation, wherein radial blind holes center to blind hole from cylinder axial blind hole with cylinder bore
Line and cylinder-bore axis angle >=30 °.Frame of the present invention is in close contact with cylinder, need not weld extra pipeline between the two.
Rotor-type compressor difficulty of processing of the invention is low, production efficiency is high and drainback passage cross-sectional area is big, oil return is held
Easily and cylinder intake passage be easy to processing and without internal leakage, nothing determines core sideslip problem and rotor air gap is easy to ensure.
In the preferred embodiment of the described rotor-type compressor of the present invention, pump assembly is fixed via multiple screws 7
In the frame 41, upper clamshell lid 1 and lower clamshell lid 10 connect the both ends of the housing 40 via laser welding respectively.
Fig. 3 is the section signal of A-A on the frame projection outer shroud of rotor-type compressor according to an embodiment of the invention
Figure, a kind of rotor-type compressor of the present invention, including upper clamshell lid 1, motor stator 2, rotor 3, housing unit 4, bent axle 5,
Upper cylinder cover 6, screw 7, piston 8, lower cylinder cap 9, lower clamshell lid 10 and cylinder 11.Housing unit 4 includes housing 40 and setting and shell
Frame 41 and connection housing 40 and the inlet pipe connection 42 of frame 41 in body 40.As shown in figure 3, the raised outer shroud of frame 41
Outer circumference surface is provided with least one axial through hole, the π R of its cross-sectional area sum S≤0.252, in formula, R is motor stator
Excircle radius, the endoporus middle part of frame 41 are provided with concave station in one, and interior concave station is provided with a concave station plane 410, motor stator 2 one
End is directly installed in interior concave station plane 410, and the outer circumference surface of motor stator 2 is fastened on the inner peripheral surface 411 of frame 41, motor
Stator 2 is arranged on this step-like platform, the problem of can ensureing axiality between frame 41 and motor stator 2 well,
Avoid hot jacket high temperature from producing influence of thermal deformation to stator, be advantageous to the guarantee in gap between rotor.Pass through three frame screws 7
Pump body structure is fixed in the frame 41 of housing unit 4, by laser welding by the top of housing unit 4 and upper clamshell lid 1
It is connected, bottom is connected with lower clamshell lid 10.Pump body structure includes：Rotor 3, bent axle 5, upper cylinder cover 6, piston 8,
Lower cylinder cap 9 and cylinder 11；The top of bent axle 5 is fixed with rotor 3, bottom is provided with piston 8；Cylinder 11 is fixed on upper cylinder cover 6
Between lower cylinder cap 9, it is arranged at piston 8 and is located in cylinder 11；Bent axle 5 passes through upper cylinder cover 6 and lower cylinder cap 9.Housing 40 is provided with
One housing air admission hole 400, the outer circumference surface of frame 41 is provided with a frame air admission hole 412, the end face of frame 41 is provided with a frame venthole
413, a L-type inlet channel is provided with cylinder 11, and one end cylinder air entry 110 of the inlet channel is arranged on cylinder 11 and machine
On the contact surface of frame 41 and coaxial with the frame gas outlet 413 in frame 41, other end cylinder gas outlet 111 is arranged on cylinder 11
On cylinder body inner peripheral surface, the inlet channel mutually passes through generation by a cylinder axial blind hole and a cylinder radial blind holes, wherein radially
Blind hole center line and cylinder-bore axis angle >=30 °；Frame 41 of the present invention is in close contact with cylinder 11, need not be welded between the two
Extra pipeline.The rotor-type compressor return gas channel cross-sectional area of the present invention is big and easy to process.
Fig. 4 is the section signal of A-A on the frame projection outer shroud of rotor-type compressor according to an embodiment of the invention
Figure, as shown in figure 4, the raised outer shroud outer circumference surface of the frame 41 is provided with least one axial trimming and at least one axle
To through hole, the π R of the cross-sectional area sum S of trimming and through hole≤0.252, wherein, R is motor stator excircle radius.
In the preferred embodiment of the described rotor-type compressor of the present invention, in described frame outer circumference surface and housing
The suction hole in radial suction hole and frame side on periphery, inlet pipe connection and housing is welded using furnace brazing.
In the preferred embodiment of the described rotor-type compressor of the present invention, in described frame outer circumference surface and housing
The suction hole in radial suction hole and frame side on periphery, inlet pipe connection and housing using high frequency induction welding weld and
Into.
In the preferred embodiment of the described rotor-type compressor of the present invention, the described material of frame 41 is mild steel.
In the preferred embodiment of the described rotor-type compressor of the present invention, the described material of cylinder 11 is powder smelting
Gold.
In the preferred embodiment of the described rotor-type compressor of the present invention, upper clamshell lid 1 and lower clamshell lid 10 are distinguished
The frame 41 is connected by laser welding or viscose glue.
Fig. 5 is the step schematic diagram of the installation method of rotor-type compressor according to an embodiment of the invention, Yi Zhongsuo
The assembly method step for the rotor-type compressor stated includes：
First step S1：Housing unit 4 assembles, and the raised outer shroud outer circumference surface of the frame 41 is provided with least one axle
To trimming, the π R of the cross-sectional area sum S of the trimming≤0.252, wherein, R is motor stator excircle radius, the frame
41 side sets the air entry 412 of radial direction, and the end face of frame 41 sets the gas outlet 413 of axial direction, the frame 41 it is interior
Interior concave station is provided with the middle part of hole, the interior concave station includes interior concave station plane, and the frame outer circumference surface is fixed on housing inner peripheral surface
Upper, inlet pipe connection 42 is through the air entry 412 of insertion frame 41 side behind the radial suction hole 400 on housing 40 and uses stove
Middle weldering or high frequency induction welding welding；
In second step S2：Described one end of motor stator 2 is directly installed in frame 41 in concave station plane 410 and motor is determined
Sub 2 outer circumference surfaces, which are fastened on the inner peripheral surface of frame, causes motor stator 2 to be arranged on step-like platform；
In third step S3：Pump assembly is assembled, and rotor 3 is fixed on the top of bent axle 5, and piston 8 is arranged under bent axle 5
Portion and it is arranged in cylinder 11, the cylinder 11 being fixed between upper cylinder cover 6 and lower cylinder cap 9 is in close contact with frame 41, and bent axle 5 is worn
Cross upper cylinder cover 6 and lower cylinder cap 9；L-type inlet channel is set on cylinder 11, and the cylinder air entry 110 of described inlet channel one end is set
Put on the contact surface of cylinder 11 and frame 41 and coaxial, the cylinder of the inlet channel other end with the gas outlet 413 in frame 41
Gas outlet 111 is arranged on cylinder inner peripheral surface, and the inlet channel mutually passes through life from cylinder axial blind hole with cylinder bore to blind hole
Into wherein radial blind holes center line and cylinder-bore axis angle >=30 °；
In four steps S4：Pump assembly is fixed in frame 41 using screw；
In 5th step S5：Upper clamshell lid 1 and lower clamshell lid 10 connect the both ends of the housing 40 respectively.
Compared with prior art, housing, frame are separately easy to process, and cylinder L-type inlet channel is easy to process by the present invention, pressure
The high pressure refrigerant of the oil-containing of discharge is from rotor gap and stator trimming and the inner peripheral surface of frame projection outer shroud in contracting pump body
The oily disengagement chamber on the multiple axial cut-outs flow direction motor rotor tops formed, the refrigerator oil after separation are raised outer along frame
Trimming on the outer circumference surface of ring combines the passage to be formed with housing inner peripheral surface and flows to shoe cream room.Discharge in compressor pump body
The high pressure refrigerant of oil-containing can directly cooled machine winding, motor reliability and electric efficiency are high, and drainback passage cross-sectional area is big, pressure
Contracting machine oil spitting amount is small, system adaptation is good.
Although embodiment of the present invention is described above in association with accompanying drawing, the invention is not limited in above-mentioned
Specific embodiments and applications field, above-mentioned specific embodiment are only schematical, directiveness, rather than restricted
's.One of ordinary skill in the art is under the enlightenment of this specification and in the scope for not departing from the claims in the present invention and being protected
In the case of, the form of many kinds can also be made, these belong to the row of protection of the invention.
Claims (10)
1. a kind of rotor-type compressor, the rotor-type compressor includes upper clamshell lid (1), motor stator (2), housing unit
(4), pump assembly and lower clamshell lid (10), it is characterised in that：
Housing unit (4) includes housing (40), the frame (41) being located in the housing (40) and the connection housing (40)
With the inlet pipe connection (42) of frame (41), wherein,
Upper clamshell lid (1) and lower clamshell lid (10) connect the both ends of the housing (40) respectively, and the housing (40) is provided with radially
Suction hole (400),
The raised outer shroud outer circumference surface of the frame (41) is provided with least one axial trimming, the cross-sectional area of the trimming
The π R of sum S≤0.252, wherein, R is motor stator excircle radius, and the side of the frame (41) sets the air entry of radial direction
(412), frame (41) end face sets the gas outlet (413) of axial direction, and interior concave station is provided with the middle part of the endoporus of the frame (41),
The interior concave station includes interior concave station plane (410), and motor stator (2) one end is directly installed on interior concave station plane (410) and electricity
Machine stator (2) outer circumference surface, which is fastened on inner housing periphery face (411), causes motor stator (2) to be arranged on step-like platform,
Frame (41) outer circumference surface is fixed on housing (40) inner peripheral surface,
The inlet pipe connection (42) inserts the air-breathing of frame (41) side through the radial suction hole (400) on housing (40) afterwards
Mouth (412),
Be fixed on the frame (41) pump assembly include rotor (3), bent axle (5), upper cylinder cover (6), piston (8), under
Cylinder cap (9) and cylinder (11), bent axle (5) top are fixed rotor (3), bent axle (5) bottom installation piston (8), are fixed on
Cylinder (11) between cylinder cap (6) and lower cylinder cap (9) is in close contact with the frame (41), and piston (8) is arranged on cylinder (11)
Interior, bent axle (5) passes through upper cylinder cover (6) and lower cylinder cap (9)；L-type inlet channel, described inlet channel one end are set on cylinder (11)
Cylinder air entry (110) be arranged on the contact surface of cylinder (11) and frame (41) and with the gas outlet in frame (41)
(413) coaxially, the cylinder gas outlet (111) of the inlet channel other end is arranged on cylinder (11) inner peripheral surface, and the air inlet is led to
Road mutually passes through generation, wherein radial blind holes center line and cylinder-bore axis angle >=30 ° to blind hole from cylinder axial blind hole with cylinder bore.
2. rotor-type compressor according to claim 1, it is characterised in that：Preferably, pump assembly is via multiple screws
(7) frame (41) is fixed on, upper clamshell lid (1) and lower clamshell lid (10) connect the housing via laser welding respectively
(40) both ends.
3. rotor-type compressor according to claim 1, it is characterised in that：On the raised outer shroud outer circumference surface of frame (41)
Provided with least one axial through hole, the π R of its cross-sectional area sum S≤0.252, wherein, R is motor stator excircle radius.
4. rotor-type compressor according to claim 1, it is characterised in that：The raised outer shroud excircle of the frame (41)
Face is provided with least one axial trimming and at least one axial through hole, and the cross-sectional area sum S of trimming and through hole≤
0.25πR2, wherein, R is motor stator excircle radius.
5. a kind of rotor-type compressor according to claim 1, it is characterised in that described frame outer circumference surface and housing
The suction hole in radial suction hole and frame side on inner peripheral surface, inlet pipe connection and housing using furnace brazing weld and
Into.
6. a kind of rotor-type compressor according to claim 1, it is characterised in that described frame outer circumference surface and housing
The suction hole in radial suction hole and frame side on inner peripheral surface, inlet pipe connection and housing using high frequency induction welding weld and
Into.
7. a kind of rotor-type compressor according to claim 1, it is characterised in that described frame (41) material is low-carbon
Steel.
8. a kind of rotor-type compressor according to claim 1, it is characterised in that described cylinder (11) material is powder
It is metallurgical.
9. a kind of rotor-type compressor according to claim 1, it is characterised in that upper clamshell lid (1) and lower clamshell lid
(10) viscose glue connects the housing (40).
10. a kind of assembly method of rotor-type compressor as claimed in any one of claims 1-9 wherein, its step include：
First step (S1)：Housing unit (4) assembles, and the raised outer shroud outer circumference surface of the frame (41) is provided with least one
The trimming of axial direction, the π R of the cross-sectional area sum S of the trimming≤0.252, wherein, R is motor stator excircle radius, the machine
The side of frame (41) sets the air entry (412) of radial direction, and frame (41) end face sets the gas outlet (413) of axial direction, described
Interior concave station is provided with the middle part of the endoporus of frame (41), the interior concave station includes interior concave station plane, and the frame outer circumference surface is fixed on
On housing inner peripheral surface, inlet pipe connection (42) insert frame (41) side afterwards through the radial suction hole (400) on housing (40)
The air entry (412) in face is simultaneously welded using weldering in stove or high frequency induction welding；
In second step (S2)：Described motor stator (2) one end is directly installed on the interior concave station plane (410) of frame (41) and electricity
Machine stator (2) outer circumference surface, which is fastened on the inner peripheral surface of frame, causes motor stator (2) to be arranged on step-like platform；
In third step (S3)：Pump assembly assembles, and rotor (3) is fixed on bent axle (5) top, and piston (8) is arranged on song
Axle (5) bottom and it is arranged in cylinder (11), cylinder (11) and the frame being fixed between upper cylinder cover (6) and lower cylinder cap (9)
(41) it is in close contact, bent axle (5) passes through upper cylinder cover (6) and lower cylinder cap (9)；On cylinder (11) set L-type inlet channel, it is described enter
The cylinder air entry (110) of gas passage end be arranged on the contact surface of cylinder (11) and frame (41) and with frame (41)
Coaxially, the cylinder gas outlet (111) of the inlet channel other end is arranged on cylinder inner peripheral surface, the air inlet for gas outlet (413)
Passage mutually passes through generation to blind hole from cylinder axial blind hole and cylinder bore, wherein radial blind holes center line and cylinder-bore axis angle >=
30°；
In four steps (S4)：Pump assembly is fixed in frame (41) using screw；
In 5th step (S5)：Upper clamshell lid (1) and lower clamshell lid (10) connect the both ends of the housing (40) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711281086.XA CN107882730A (en) | 2017-12-06 | 2017-12-06 | A kind of rotor-type compressor and its assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711281086.XA CN107882730A (en) | 2017-12-06 | 2017-12-06 | A kind of rotor-type compressor and its assembly method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107882730A true CN107882730A (en) | 2018-04-06 |
Family
ID=61773319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711281086.XA Pending CN107882730A (en) | 2017-12-06 | 2017-12-06 | A kind of rotor-type compressor and its assembly method |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581467A (en) * | 2018-04-26 | 2018-09-28 | 广东美芝制冷设备有限公司 | Compressor assembly method and the compressor obtained using this method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002242872A (en) * | 2001-02-15 | 2002-08-28 | Daikin Ind Ltd | Rotary compressor |
| JP2005337015A (en) * | 2004-05-24 | 2005-12-08 | Daikin Ind Ltd | Low pressure dome type compressor |
| CN203500009U (en) * | 2013-08-19 | 2014-03-26 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN104564681A (en) * | 2015-01-27 | 2015-04-29 | 西安庆安制冷设备股份有限公司 | Rotor compressor |
| CN205744439U (en) * | 2016-06-21 | 2016-11-30 | 上海日立电器有限公司 | A kind of compressor and frame thereof |
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2017
- 2017-12-06 CN CN201711281086.XA patent/CN107882730A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002242872A (en) * | 2001-02-15 | 2002-08-28 | Daikin Ind Ltd | Rotary compressor |
| JP2005337015A (en) * | 2004-05-24 | 2005-12-08 | Daikin Ind Ltd | Low pressure dome type compressor |
| CN203500009U (en) * | 2013-08-19 | 2014-03-26 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN104564681A (en) * | 2015-01-27 | 2015-04-29 | 西安庆安制冷设备股份有限公司 | Rotor compressor |
| CN205744439U (en) * | 2016-06-21 | 2016-11-30 | 上海日立电器有限公司 | A kind of compressor and frame thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581467A (en) * | 2018-04-26 | 2018-09-28 | 广东美芝制冷设备有限公司 | Compressor assembly method and the compressor obtained using this method |
| CN108581467B (en) * | 2018-04-26 | 2020-04-03 | 广东威灵汽车部件有限公司 | Compressor assembly method and compressor obtained by using same |
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