CN103375427A - Oil seal of compressor - Google Patents

Oil seal of compressor Download PDF

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Publication number
CN103375427A
CN103375427A CN2013101321062A CN201310132106A CN103375427A CN 103375427 A CN103375427 A CN 103375427A CN 2013101321062 A CN2013101321062 A CN 2013101321062A CN 201310132106 A CN201310132106 A CN 201310132106A CN 103375427 A CN103375427 A CN 103375427A
Authority
CN
China
Prior art keywords
oil
groove
compressor
main body
sealing
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.)
Pending
Application number
CN2013101321062A
Other languages
Chinese (zh)
Inventor
金镇亨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Han Hua compressor plant
Original Assignee
Samsung Techwin Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Techwin Co Ltd filed Critical Samsung Techwin Co Ltd
Priority to CN202011112362.1A priority Critical patent/CN112253534B/en
Publication of CN103375427A publication Critical patent/CN103375427A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/06—Lubrication
    • F04D29/063—Lubrication specially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/102—Shaft sealings especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/12—Shaft sealings using sealing-rings
    • F04D29/122—Shaft sealings using sealing-rings especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2210/00—Working fluids
    • F05D2210/10—Kind or type
    • F05D2210/12—Kind or type gaseous, i.e. compressible
    • 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
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/908—Seal for use in rotating and reciprocating arrangement
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)

Abstract

The invention provides an oil seal of compressor. The oil seal is installed on the rotating shaft of the compressor, and the oil seal comprises: a hollow cylindrical main body with hole and a rotating axis which crosses the hole; a protrusion which protrudes outwardly along the periphery of the main body from the main body in radial direction; a groove, which is formed on the upstream side of the movement direction of oil relative to the protrusion; wherein, oil moves toward the protrusion along the outer surface of the main body during the operation period of the compressor, and an oil extraction device which dischage the oil introduced into the groove.

Description

The oil sealing that is used for compressor
The application requires the rights and interests at the 10-2012-0039284 korean patent application of Korea S Department of Intellectual Property submission on April 16th, 2012, and open by reference its full content of this korean patent application is contained in this.
Technical field
The present invention relates to a kind of oil sealing for compressor, more particularly, relate to a kind of like this oil sealing for compressor, this oil sealing is designed to discharge the oil that flows along its surface during compressor operation.
Background technique
Usually, compressor receives fluid from the outside, compressed fluid and will compress after fluid be fed to another device.Running shaft can be installed in the compressor with the impeller that is attached to running shaft.Specifically, impeller is arranged on around diffuser and the trap, thereby flow is crossed impeller.
Bearing can also be set, with the rotation of supporting rotating shaft in compressor.Can supply oil to the rotating member such as bearing or running shaft, to be conducive to the rotation of rotating member.The oil of supply can flow along different directions when bearing rotates with running shaft.Specifically, oil can flow from bearing towards the impeller that is installed to running shaft.
When oil flowed as described above, oil can pollute near other device impeller or the impeller.Specifically, when oil leaked by trap, the leakage of oil meeting had a strong impact on use from the operation of the device of the fluid of trap supply.In order to suppress flowing of oil, the oil sealing that is used for compressor can be inserted into running shaft and install.
The 1996-135458 Japanese patent application announcement (claimant: described the oil sealing that is used for compressor in detail Toyota Motor Corporation) who relates to for the oil seal structure of pressurized machine.
The prior art reference:
The 1996-135458 Japanese patent application is announced
The 1998-115375 Japanese patent application is announced
Summary of the invention
The invention provides a kind of oil sealing for compressor, this oil sealing is designed to prevent that oil from flowing to sealing gland and leak by sealing gland.
According to an aspect of the present invention, provide a kind of oil sealing for compressor, described oil sealing is installed on the running shaft of compressor, and described oil sealing comprises: the hollow cylinder main body, have the hole, and running shaft passes described hole; Projection is radially outwards outstanding from main body along the periphery of main body; Groove is formed on respect to described projection on the upstream side of oily moving direction, and wherein, oil outer surface along main body during compressor operation moves towards described projection; The oil extraction device, the oil that is incorporated in the described groove is discharged by the oil extraction device.
How step-like described groove can be.
Described groove can comprise: oil groove, and oil flows in oil groove; Oil ring groove is arranged between described projection and the oil groove, and more more recessed than oil groove towards the central authorities of main body, and wherein, oil ring is inserted in the oil ring groove regularly.
Described groove can form continuously along the periphery of main body, to be connected with the oil extraction device.
The oil sealing that is used for compressor is designed to prevent that oil from entering sealing gland and by the sealing gland leakage, effectively maintaining thus the required oil of lubricating rotary axle.In addition, the oil of being tackled by groove can be discharged into safe position, prevents thus the pollution for oil sealing or its adjacent area of compressor, has therefore prolonged the life-span of compressor.
Description of drawings
Describe exemplary embodiment of the present invention in detail by the reference accompanying drawing, above and other characteristics of the present invention and advantage will become clearer, in the accompanying drawings:
Fig. 1 is the perspective view that is used for according to an embodiment of the invention the oil sealing of compressor;
Fig. 2 is the sectional view along the intercepting of the II-II line among Fig. 1;
Fig. 3 is the sectional view that the compressor of the oil sealing that is used for compressor among Fig. 1 has been installed;
Fig. 4 is A amplification sectional view partly shown in Figure 3.
Embodiment
Now, exemplary embodiment is described hereinafter with reference to the accompanying drawings more all sidedly.Yet exemplary embodiment can be implemented with many different forms, and should not be construed as limited to embodiment set forth herein.Provide these embodiments so that the disclosure will be thorough and complete, and will pass on fully exemplary embodiment to those of ordinary skills.The term that uses in this manual only is in order to describe specific embodiment, and is not intended to limit exemplary embodiment.As used herein, unless context points out clearly that in addition otherwise singulative also is intended to comprise plural form.Will be appreciated that, when using in this manual term " to comprise " and/or when " comprising ", illustrate to have described feature, integral body, step, operation, element and/or assembly, do not exist or additional one or more further features, integral body, step, operation, element, assembly and/or their group but do not get rid of.It will also be understood that although can use term " first ", " second " etc. to describe each element, assembly, zone, layer and/or part, these elements, assembly, zone, layer and/or part should not be subjected to the restriction of these terms here.
Fig. 1 is the perspective view that is used for according to an embodiment of the invention the oil sealing 100 of compressor.Fig. 2 is the sectional view along the intercepting of the II-II line among Fig. 1.
See figures.1.and.2, the oil sealing 100 that is used for compressor comprises the hollow cylinder main body 110 with hole, and the running shaft (not shown) passes this hole.In this case, main body 110 can have the shape of annular, to hold running shaft.
The oil sealing 100 that is used for compressor can comprise the projection 120 of radially outwards giving prominence to from main body 110 along the periphery of main body 110.Projection 120 stretches out and can be inserted into below the described gear box casing (not shown), to be fixed to gear box casing from main body 110.
The oil sealing 100 that is used for compressor can have groove 130, compares with the projection 120 on being positioned at main body 110, and groove 130 is formed on the upstream side of the oily direction that flows into.Groove 130 can form continuously along the periphery of main body 110.How step-like groove 130 can also be.
More particularly, compare with projection 120, the height of groove 130 can along with groove 130 from the upstream side of oily inflow direction before the downstream side and then reduce.For example, large to the distance of the bottom surface of groove 130 from the central authorities of main body 110 on the distance from the central authorities of main body 110 to the bottom surface of groove 130 on the upstream side of oily inflow direction can be than the downstream side at oily inflow direction.
Groove 130 comprises: oil groove 131, and oil flows in oil groove 131; Oil ring groove 133 is arranged between projection 120 and the oil groove 131.In this case, oil ring groove 133 can be more more recessed than oil groove 131 towards the central authorities of main body 110.Oil ring 150 can be inserted in the oil ring groove 133, prevents that thus oil from flowing towards projection 120.
The oil sealing 100 that is used for compressor can also comprise oil extraction device 140, and 140 dischargings of oil extraction device are introduced into and are collected in the oil in the groove 130.Oil extraction device 140 can be connected with groove 130, to discharge the oil that flows in groove 130.
Specifically, oil extraction device 140 has for the oil storage space 141 that is stored temporarily in the oil that groove 130 flows.Oil extraction device 140 can also be arranged on the outer surface of main body along gravitational direction, to discharge oil.Specifically, oil extraction device 140 can be arranged among Fig. 2 the lower end with the main body 110 shown in the sectional view.
Now, with reference to Fig. 3 and Fig. 4 installation and operation for the oil sealing 100 of compressor are described in further detail.
Fig. 3 is the sectional view that the compressor 1000 of the oil sealing 100 that is used for compressor among Fig. 1 has been installed, and Fig. 4 is A amplification sectional view partly shown in Figure 3.
With reference to Fig. 3 and Fig. 4, compressor 1000 comprises: shell 200, and air is incorporated into the shell 200 from the outside; Impeller 300 is rotatably installed in the shell 200; Diffuser 400 is arranged on the shell 200 and is positioned at the sidepiece of impeller 300; Scroll 500 is arranged on the sidepiece of shell 200.Compressor 1000 can also comprise with impeller 300 in conjunction with so that the running shaft 600 of impeller 300 rotations and engage at a predetermined angle the driven gear 700 that rotates with running shaft 600 with the part of running shaft 600.
Compressor 1000 also comprises: gear box casing 800 seals the part of driven gear 700 and the part of running shaft 600; The oil sealing 100 that is used for compressor is accommodated in the gear box casing 800 and close impeller 300; Sealing gland 900 is arranged between the oil sealing 100 and impeller 300 for compressor.Because except being used for the oil sealing 100 of compressor, compressor 1000 has the structure substantially the same with the structure of Normal squeezing machine, therefore in the detailed description of this omission for identical structure.Hereinafter, explain the main oil sealing 100 that is used for compressor of describing for convenient.
The oil sealing 100 that is used for compressor is arranged on the outer surface of running shaft 600, and running shaft 600 is inserted in the oil sealing 100.In this case, an oil sealing 100 that is used for compressor can be installed.
Alternatively, can adopt two oil sealings 100 that are used for compressor, with the periphery of sealing rotary rotating shaft 600.For example, the oil sealing 100 that is used for compressor can comprise the first oil sealing that is used for compressor on the front portion that is arranged on running shaft 600 and be arranged on the rear portion of running shaft 600 with the second oil sealing that is used for compressor in the face of the first oil sealing 100 of being used for compressor.Explain for convenient, suppose that hereinafter an oil sealing 100 that is used for compressor is inserted into running shaft 600.Comprise the first oil sealing and the second oil sealing if be used for the oil sealing 100 of compressor, then oil sealing 100 can also be installed or operate in the mode identical with the mode of oil sealing 100 installations that comprise single oil sealing or operation.
Installing in running shaft 600 for after the oil sealing 100 of compressor as described above, running shaft 600 can be installed in the compressor 1000.In this case, impeller 300 is arranged on the running shaft, and sealing gland 900 is between impeller 300 with between the oil sealing 100 of compressor.Projection 120 is bonded in the gear box casing 800.For this purpose, projection 120 can be inserted in the gear box casing 800.Specifically, bearing components (not shown) and running shaft 600 combinations are with supporting rotating shaft 600 rotatably.
When the compressor 1000 with above structure operated, running shaft 600 can rotate.When running shaft 600 rotation, running shaft 600 can contact a plurality of assemblies, causes the friction between running shaft 600 and described a plurality of assembly.For example, during rotation, can rub at the part place that contacts with bearing components of running shaft 600.For this friction that the rotation that reduces because of running shaft 600 causes, can supply oil to the zone around bearing components and the running shaft 600.The oil of supply can and be used at bearing components being collected between the oil sealing 100 of compressor.
When the oil sealing 100 that is used for compressor is installed as described above, at gear box casing 800 be used for to form the gap between the outer surface of oil sealing 100 of compressor.More particularly, the gap can be formed between the outer surface and gear box casing 800 of the outer surface of main body 110 or projection 120.
Specifically, between the joint aging time between gear box casing 800 and the projection 120, power is applied to gear box casing 800 and gear box casing 800 engages with projection 120, between gear box casing 800 and projection 120, produces the gap thus.The oil that is collected in bearing components and is used between the oil sealing 100 of compressor can flow to described gap by capillarity.
In addition, be installed in impeller 300 on the running shaft 600 and be arranged on the place ahead for the oil sealing 100 of compressor, with rotation.Along with the rotation of impeller 300, outside air is introduced into and moves through the gap between shell 200 and the sealing gland 900.Air can make the oil that flows through the gap splash sealing gland 900 and oil sealing 100 zone on every side.The oil that spills can pollute the inner space of compressor 1000.
When the oil process flowed for the oil sealing 100 of compressor and towards sealing gland 900, oil can leak in the impeller 300 or by the clearance leakage between sealing gland 900 and the shell 200 and arrive the outside.
Continuing to use the oil that flows in the outer surface of the oil sealing 100 of compressor can be collected in the groove 130.More particularly, continue to use in the outer surface of the oil sealing 100 of compressor when projection 120 flows and arrive oil groove 131 when oil, oil can move along oil groove 131.More particularly, owing to produce the space between a side of oil groove 131 and gear box casing 800, so oil can not carry out any further motion but by oil groove 131 motions because of capillarity.In addition, when being arranged on oil ring 150 in the oil ring groove 133, oil can further not move through oil groove 131 and towards projection 120.
Oil can move along a direction by oil groove 131.Specifically, oil can move along gravitational direction because of gravity.
In this case, when oil arrived oil extraction device 140, oil can not carry out any further motion but be temporarily stored in the oil storage space 141.When thereby the weight of gathering oil when oil in oil extraction device 140 surpassed predetermined weight, oil can be pumped out by oil extraction device 140.
The oil sealing 100 that is used for compressor is designed to prevent that oil from flowing to sealing gland 900 and leak by sealing gland 900, effectively maintains thus the required oil of lubricating rotary axle 600.In addition, the oil of being tackled by groove 130 can be discharged into safe place, prevents thus the pollution for oil sealing or its adjacent area of compressor, has therefore prolonged the life-span of compressor.
Although illustrate particularly and described the present invention with reference to exemplary embodiment of the present invention, but what those skilled in the art will appreciate that is, in the situation that does not break away from the spirit and scope of the present invention defined by the claims, can carry out in form and the various changes on the details at this.

Claims (4)

1. oil sealing that is used for compressor, described oil sealing is installed on the running shaft of compressor, and described oil sealing comprises:
The hollow cylinder main body has the hole, and running shaft passes described hole;
Projection is radially outwards outstanding from main body along the periphery of main body;
Groove is formed on respect to described projection on the upstream side of oily moving direction, and wherein, oil outer surface along main body during compressor operation moves towards described projection;
The oil extraction device, the oil that is incorporated in the described groove is discharged by the oil extraction device.
2. oil sealing as claimed in claim 1, wherein, how step-like described groove be.
3. oil sealing as claimed in claim 1, wherein, described groove comprises:
Oil groove, oil flows in oil groove;
Oil ring groove is arranged between described projection and the oil groove, and more more recessed than oil groove towards the central authorities of main body, and wherein, oil ring is inserted in the oil ring groove regularly.
4. oil sealing as claimed in claim 1, wherein, described groove forms continuously along the periphery of main body, to be connected with the oil extraction device.
CN2013101321062A 2012-04-16 2013-04-16 Oil seal of compressor Pending CN103375427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011112362.1A CN112253534B (en) 2012-04-16 2013-04-16 Oil seal for compressor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2012-0039284 2012-04-16
KR1020120039284A KR101912799B1 (en) 2012-04-16 2012-04-16 Oil seal for compressor

Related Child Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
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CN107725179A (en) * 2017-09-30 2018-02-23 嘉兴博瑞涡轮增压技术有限公司 A kind of turbocharger that can significantly lift energy-conserving and environment-protective performance

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KR101828544B1 (en) * 2013-12-13 2018-03-29 한화파워시스템 주식회사 A compressor assembly
KR102094735B1 (en) * 2019-11-06 2020-05-26 이태훈 Packing for waterproof and dustproof
KR102554119B1 (en) * 2021-11-01 2023-07-10 이호운 Circulation fan

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CN201269307Y (en) * 2008-09-24 2009-07-08 南京科赫科技有限公司 Non-stuffing micro-contact shaft gland
CN201326742Y (en) * 2008-12-12 2009-10-14 兖矿鲁南化肥厂 Novel oil seal
CN101694179A (en) * 2009-10-23 2010-04-14 天津机辆轨道交通装备有限责任公司 Oil seal structure at turbine end of supercharger
CN201568568U (en) * 2009-12-10 2010-09-01 湖南天雁机械有限责任公司 Sealing structure at pressure end of turbocharger
JP2012036855A (en) * 2010-08-09 2012-02-23 Ihi Corp Turbocharger using rolling bearing

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Publication number Priority date Publication date Assignee Title
CN107725179A (en) * 2017-09-30 2018-02-23 嘉兴博瑞涡轮增压技术有限公司 A kind of turbocharger that can significantly lift energy-conserving and environment-protective performance

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KR20130116676A (en) 2013-10-24
KR101912799B1 (en) 2018-10-29
CN112253534B (en) 2022-08-19
CN112253534A (en) 2021-01-22

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