CN201582119U - Horizontal rotary compressor - Google Patents
Horizontal rotary compressor Download PDFInfo
- Publication number
- CN201582119U CN201582119U CN2009202459261U CN200920245926U CN201582119U CN 201582119 U CN201582119 U CN 201582119U CN 2009202459261 U CN2009202459261 U CN 2009202459261U CN 200920245926 U CN200920245926 U CN 200920245926U CN 201582119 U CN201582119 U CN 201582119U
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- Prior art keywords
- main bearing
- ring
- compressor
- closed shell
- rotary compressor
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Abstract
The utility model discloses a horizontal rotary compressor which comprises a closed housing connected with an air suction pipe and an exhaust pipe, wherein an electric component and a compression component are arranged in the closed housing, the compression component consists of a main bearing, a cylinder, a rotary piston, a secondary bearing, a crankshaft and a silencing hood, and the horizontal rotary compressor is characterized in that a retaining ring is arranged between the main bearing and the electric component, the lower part of the retaining ring is fixed on the main bearing, the upper part of the retaining ring extends from the main bearing to a stator of the electric component, when the main bearing is linked with the closed housing, a clearance is formed between the upper part of the retaining ring and the adjacent inner side surface of the main bearing; and when the cylinder is connected with the closed housing, the upper part of the retaining ring and the inner surface of the retaining ring which is opposite to the closed housing form the clearance.
Description
Technical field
The utility model relates to a kind of horizontal rotary compressor, and particularly a kind of gas mixture is used for cooling motor rotor and staor winding, reduces the horizontal rotary compressor of compressor band oil mass simultaneously.
Background technique
General sealed mode rotary compressor can be divided into rotary compressor, reciprocal compressor and scroll compressor according to the fluid compress mode.Rotary compressor is divided into horizontal and vertical two types according to the type difference of installing.
The structure of a kind of horizontal rotary compressor in the past as shown in Figure 1.In Fig. 1, closed shell is connected with sucking pipe, outlet pipe, and its inside is installed with electric assembly and compression assembly, and encloses lubricant oil.Electric assembly is made up of stator and rotor; Compression assembly mainly forms for the bent axle of compression assembly, the silencer cover that is fixed on the main bearing by main bearing, cylinder, rotary-piston, supplementary bearing and with the transmission of power of electric assembly.The glide path of the refrigeration agent working medium of this compressor is: refrigeration agent enters in the compression assembly cylinder by sucking pipe, in cylinder the compression after refrigeration agent by cylinder block to silencer cover, and discharge by the exhaust port on the silencer cover, pass through the gap between rotor and the stator then, the outlet pipe of flowing through is discharged compressor, enters system.
In the hermetic type compressor of this existing structure, be stored in the pressure of the lubricant oil of closed shell bottom by means of the refrigeration agent that enters by compressor suction duct, by the oil circuit of bent axle inside, be transported to each slide member of compressor respectively, thereby finished lubricated work.Lubricant oil after a part is lubricated can be dropped in the bottom of closed shell, and another part lubricant oil is then with flow through together annular space between rotor and the stator of refrigeration agent, and by outlet pipe, is discharged from compressor.Therefore after stage,, can cause the wearing and tearing meeting of each slide member of compressor inevitably to increase thus in compressor operating, thereby the life-span of compressor can shorten and the reliability of reduction compressor because the lubricant oil of compressor is taken out of too much.
Summary of the invention
In order to address the above problem, the utility model provides a kind of amount of the lubricant oil that is discharged to the compressor outside that can make to reduce, simultaneously can cooling motor, prolong the working life of compressor, and improve the horizontal rotary compressor of the reliability of compressor.
For reaching above purpose, the utility model takes following technological scheme to be achieved:
A kind of horizontal rotary compressor, comprise the closed shell that links to each other with outlet pipe with sucking pipe, electric assembly and compression assembly are equipped with in closed shell inside, compression assembly is by main bearing, cylinder, rotary-piston, supplementary bearing, and bent axle and silencer cover formation, one back-up ring is installed between main bearing and the electric assembly, the back-up ring bottom is fixed on the main bearing, extend from the stator of main bearing to electric assembly on back-up ring top, when main bearing connected with closed shell, the adjacent inner side surface of described back-up ring top and main bearing formed a gap.
Another kind of horizontal rotary compressor, comprise the closed shell that links to each other with outlet pipe with sucking pipe, electric assembly and compression assembly are equipped with in closed shell inside, compression assembly is by main bearing, cylinder, rotary-piston, supplementary bearing, and bent axle and silencer cover formation, one back-up ring is installed between main bearing and the electric assembly, the back-up ring bottom is fixed on the main bearing, extend from the stator of main bearing to electric assembly on back-up ring top, when cylinder was connected with closed shell, described back-up ring top formed a gap with the internal surface of the relative back-up ring of closed shell.
In the such scheme, hollow toroid is nested in described back-up ring bottom and the main bearing, is fixed on by disk spring in the interior hollow toroid of main bearing.Described back-up ring top is tubaeform.
The utility model is the restriction of pump body and housing Placement by compression not, adopt horizontal compressor of the present utility model to guide the device in air-flow (gas mixture) path of from silencer cover, coming out, it is back-up ring, all can reach the cold media air flow path in the guiding compressor, cold media air both can cooling motor, reduce the lubricants capacity of taking compressor housing out of simultaneously, improved the performance of compressor.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the longitudinal section of existing a kind of horizontal rotary compressor.
Fig. 2 is the partial view of the utility model main bearing part.
Fig. 3 is first embodiment's of the utility model a longitudinal section.
Fig. 4 is second embodiment's of the utility model a longitudinal section.
Among Fig. 1 to Fig. 4: 1, closed shell, 1-1, the relative back-up ring internal surface of closed shell, 2, electric assembly, 2-1, stator, 2-2, rotor, 3, compression assembly, 3-1, main bearing, 3-1-1, the adjacent inner side surface of main bearing and back-up ring, 3-2, cylinder, 3-3, rotary-piston, 3-4, supplementary bearing, 3-5, bent axle, 3-6, silencer cover, 3-7, exhaust port on the silencer cover, 3-8, butterfly spring, 4, lubricant oil, 5, back-up ring, 5-1, back-up ring top, 5-2, the back-up ring bottom, 5-3, the gap, 6, rotor and stator ring space, 7, passage between stator and the housing top, 8, sucking pipe, 9, outlet pipe.
Embodiment
First embodiment: main bearing and housing weld together.
As Fig. 2, shown in Figure 3, a kind of horizontal rotary compressor, closed shell 1 is connected with outlet pipe 9 with sucking pipe 8, and closed shell 1 inside is installed with electric assembly 2 and compression assembly 3, and encloses lubricant oil 4.Electric assembly 2 is made up of stator 2-1 and rotor 2-2.Compression assembly 3 mainly forms for bent axle 3-5, the silencer cover 3-6 that is fixed on the main bearing 3-1 by butterfly spring 3-8 of compression assembly 3 by main bearing 3-1, cylinder 3-2, rotary-piston 3-3, supplementary bearing 3-4 and with the transmission of power of electric assembly 2.Compression assembly 3 welds together by main bearing 3-1 and housing 1 realizes being connected between compression assembly 3 and the housing 1 that outlet pipe 9 is positioned at compressor closed shell 1 top.
Back-up ring 5 of design between main bearing of compressor 3-1 and electric assembly 2, back-up ring 5 is fixed on main bearing 3-1 top (Fig. 2), and extend to motor stator 2-1 from main bearing 3-1, back-up ring top 5-1 has at least a part and the adjacent inner side surface 3-1-1 of main bearing 3-1 to form a gap 5-3.The correspondingly-shaped that back-up ring bottom 5-2 is nested according to the indoor design of main bearing 3-1, back-up ring top 5-1 flare, back-up ring bottom 5-2 is fixed in the interior hollow toroid of main bearing 3-1 by disk spring 3-8, and belleville spring 3-8 passes through screw in compression by silencer cover 3-6.
Because therefore back-up ring 5 of design between main bearing 3-1 and electric assembly 2, and gap 5-3 of the adjacent inner side surface formation with back-up ring of main bearing can guide the cold media air flow path in the compressor.Compressor at the flow path that compressor refrigerant after the back-up ring 5 is installed is: be compressed and form the fuel-air mixture body with lubricant oil after assembly 3 refrigerant compressed enter compressor, the exhaust port 3-7 of gas on silencer cover 3-6 discharges compression assembly 3, flow through then rotor and stator ring space 6.Through behind the motor, cold media air turns to, and a part enters refrigeration system by venting gas appliance 9 then through the passage 7 between stator and the housing top; Another part is through position lower in the housing and above-mentioned stator, during lubricant oil arrives and can return in the closed shell 1 behind the cavity between motor stator 2-1 and the compression assembly 3 in this way.
Second embodiment: cylinder and housing weld together.
As Fig. 2,, shown in Figure 4, another kind of horizontal rotary compressor, closed shell 1 is connected with outlet pipe 9 with sucking pipe 8, its inside is installed with electric assembly 2 and compression assembly 3, and encloses lubricant oil 4.Electric assembly 2 is made up of stator 2-1 and rotor 2-2; Compression assembly 3 mainly forms for bent axle 3-5, the silencer cover 3-6 that is fixed on the main bearing 3-1 by butterfly spring 3-8 of compression assembly 3 by main bearing 3-1, cylinder 3-2, rotary-piston 3-3, supplementary bearing 3-4 and with the transmission of power of electric assembly 2; Back-up ring 5 of design between main bearing 3-1 and electric motor assembly 2, back-up ring 5 is fixed on main bearing 3-1 top (Fig. 2), and extend to motor stator 2-1 from main bearing 3-1, when compressor assembly cylinder 3-2 and closed shell 1 welding, back-up ring top 5-1 has at least a part to form a gap 5-3 with closed shell 1 relative back-up ring internal surface 1-1.The correspondingly-shaped that back-up ring bottom 5-2 is nested according to the indoor design of main bearing 3-1, back-up ring top 5-1 flare, back-up ring bottom 5-2 is fixed in the interior hollow toroid of main bearing 3-1 by disk spring 3-8.Belleville spring 5-3 passes through screw in compression by silencer cover 3-6.Outlet pipe 9 is positioned at compressor closed shell 1 top.
Because back-up ring 5 of design between main bearing 3-1 and electric assembly 2, back-up ring top 5-1 have at least a part to form a gap 5-3 with closed shell 1 relative back-up ring internal surface, therefore can guide the cold media air flow path in the compressor.The flow path of compressor refrigerant is: weld together by cylinder 3-2 and housing 1 and realize being connected between compression assembly 3 and the housing 1.The exhaust port 3-7 of cold media air on silencer cover 3-6 that is compressed assembly 3 compressions discharges compression assembly, flow through then rotor and stator ring space 6.Through behind the motor, cold media air turns to, and a part enters refrigeration system by venting gas appliance then through the passage 7 between stator and the housing top; Another part can return in the closed shell 1 behind the cavity between lubricant oil arrival motor stator 2-1 and the compression assembly 3 in this way through position lower in the housing and above-mentioned stator.
By above two kinds of mode of executions, refrigeration agent flows like this and makes the refrigeration agent can cooling motor, has reduced the lubricants capacity of taking compressor housing 1 out of simultaneously, has improved the Performance And Reliability of compressor.
Claims (6)
1. horizontal rotary compressor, comprise the closed shell that links to each other with outlet pipe with sucking pipe, electric assembly and compression assembly are equipped with in closed shell inside, compression assembly is by main bearing, cylinder, rotary-piston, supplementary bearing, and bent axle and silencer cover formation, it is characterized in that, one back-up ring is installed between main bearing and the electric assembly, the back-up ring bottom is fixed on the main bearing, extend from the stator of main bearing to electric assembly on back-up ring top, when main bearing connected with closed shell, the adjacent inner side surface of described back-up ring top and main bearing formed a gap.
2. horizontal rotary compressor as claimed in claim 1 is characterized in that, hollow toroid is nested in described back-up ring bottom and the main bearing, is fixed on by disk spring in the interior hollow toroid of main bearing.
3. horizontal rotary compressor as claimed in claim 1 is characterized in that, described back-up ring top is tubaeform.
4. horizontal rotary compressor, comprise the closed shell that links to each other with outlet pipe with sucking pipe, electric assembly and compression assembly are equipped with in closed shell inside, compression assembly is by main bearing, cylinder, rotary-piston, supplementary bearing, and bent axle and silencer cover formation, it is characterized in that, one back-up ring is installed between main bearing and the electric assembly, the back-up ring bottom is fixed on the main bearing, extend from the stator of main bearing to electric assembly on back-up ring top, when cylinder was connected with closed shell, described back-up ring top formed a gap with the internal surface of the relative back-up ring of closed shell.
5. horizontal rotary compressor as claimed in claim 4 is characterized in that, hollow toroid is nested in described back-up ring bottom and the main bearing, is fixed on by disk spring in the interior hollow toroid of main bearing.
6. horizontal rotary compressor as claimed in claim 4 is characterized in that, described back-up ring top is tubaeform.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202459261U CN201582119U (en) | 2009-12-22 | 2009-12-22 | Horizontal rotary compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202459261U CN201582119U (en) | 2009-12-22 | 2009-12-22 | Horizontal rotary compressor |
Publications (1)
Publication Number | Publication Date |
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CN201582119U true CN201582119U (en) | 2010-09-15 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2009202459261U Expired - Lifetime CN201582119U (en) | 2009-12-22 | 2009-12-22 | Horizontal rotary compressor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110748485A (en) * | 2019-11-04 | 2020-02-04 | 广东美芝制冷设备有限公司 | Horizontal compressor and heat exchange work system |
-
2009
- 2009-12-22 CN CN2009202459261U patent/CN201582119U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110748485A (en) * | 2019-11-04 | 2020-02-04 | 广东美芝制冷设备有限公司 | Horizontal compressor and heat exchange work system |
CN110748485B (en) * | 2019-11-04 | 2021-05-25 | 广东美芝制冷设备有限公司 | Horizontal compressor and heat exchange work system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20100915 |
|
CX01 | Expiry of patent term |