CN105952620A - Oil scraping device for piston type compressor - Google Patents

Oil scraping device for piston type compressor Download PDF

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Publication number
CN105952620A
CN105952620A CN201610323794.4A CN201610323794A CN105952620A CN 105952620 A CN105952620 A CN 105952620A CN 201610323794 A CN201610323794 A CN 201610323794A CN 105952620 A CN105952620 A CN 105952620A
Authority
CN
China
Prior art keywords
oil
ring
scraping
mounting groove
annular mounting
Prior art date
Application number
CN201610323794.4A
Other languages
Chinese (zh)
Inventor
张振宇
Original Assignee
蚌埠市金鹏燃气设备制造有限公司
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 蚌埠市金鹏燃气设备制造有限公司 filed Critical 蚌埠市金鹏燃气设备制造有限公司
Priority to CN201610323794.4A priority Critical patent/CN105952620A/en
Publication of CN105952620A publication Critical patent/CN105952620A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/04Measures to avoid lubricant contaminating the pumped fluid
    • F04B39/041Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod

Abstract

The invention provides an oil scraping device for a piston type compressor. The oil scraping device for the piston type compressor comprises an oil blocking base, a first pressing plate, a second pressing plate, a first oil scraping ring, a second oil scraping ring, a third oil scraping ring and a sealing ring; the end, close to the first pressing plate, of the oil blocking base is provided with a first annular installing groove; the end, close to the second pressing plate, of the oil blocking base is provided with a second annular installing groove; in the oil blocking base, a third annular installing groove is formed between the first annular installing groove and the second annular installing groove; the first oil scraping ring is arranged in the first annular installing groove; the second oil scraping ring and the third oil scraping ring are both arranged in the third annular installing groove; the second oil scraping ring comprises a first body; a plurality of first oil scraping lips attached to the periphery of a piston rod of the compressor are arranged on the inner circumference of the first body; the third oil scraping ring comprises a second body; a plurality of second oil scraping lips attached to the periphery of the piston rod of the compressor are arranged on the inner circumference of the second body; and the sealing ring is arranged in the second annular installing groove. The oil scraping device for the piston type compressor guarantees the effectiveness for scraping away lubricating oil on the piston rod.

Description

A kind of piston compressor oil-scraping device
Technical field
The present invention relates to Compressor Technology field, particularly relate to a kind of piston compressor oil-scraping device.
Background technology
Leakage of oil at piston type air compressor oil-scraping ring, the greasy dirt of generation affects the attractive in appearance of equipment, adds behaviour The burden of workmanship's periodic cleaning.If leakage of oil is serious, air compressor lubricating oil consumption can be caused, cause waste. The gas requiring oil-free, if the lubricating oil that piston rod is brought up penetrates into cylinder, may result in gas dirty Dye, also results in the premature abrasion of piston ring, filler, and piston rod passes in and out cylinder oil and crankcase oils back and forth, On the one hand cause two kinds of lubricating oil cross-contaminations, on the other hand owing to steam cylinder oil is by gaseous contamination, scurry into bent axle Also crankcase lubricating oil is caused to be contaminated after case.
Summary of the invention
Based on technical problem present in background technology, the present invention proposes a kind of piston compressor frizing Device.
The present invention propose a kind of piston compressor oil-scraping device, including gear font, the first pressure strip, Second pressure strip, the first oil-scraping ring, the second oil-scraping ring, the 3rd oil-scraping ring, sealing ring, wherein:
Gear font is sleeved on the piston rod of compressor, fixing first pressure strip that connects in gear font one end, gear oil Fixing second pressure strip that connects of the seat other end, gear font is provided with first annular installation near first pressure strip one end Groove, gear font is provided with the second annular mounting groove, is positioned at first annular in gear font near second pressure strip one end The 3rd annular mounting groove it is provided with between mounting groove and the second annular mounting groove;
First oil-scraping ring is arranged in first annular mounting groove, and the first oil-scraping ring is away from gear font side and first Pressure strip is fitted, the piston rod periphery laminating of the first oil-scraping ring inner periphery and compressor;
Second oil-scraping ring, the 3rd oil-scraping ring are arranged in the 3rd annular mounting groove, and the second oil-scraping ring includes One body, the first noumenon inner periphery is provided with the first frizing lip of multiple piston rod periphery laminating with compressor; 3rd oil-scraping ring and the second oil-scraping ring lean, and the 3rd oil-scraping ring includes the second body, the second body inner periphery It is provided with the second frizing lip of multiple piston rod periphery laminating with compressor;
Sealing ring is arranged in the second annular mounting groove, and sealing ring is away from gear font side and the second pressure strip patch Close, the piston rod periphery laminating of sealing ring inner periphery and compressor.
Preferably, being provided with the first locating ring in the 3rd annular mounting groove, the second oil-scraping ring, the 3rd oil-scraping ring are equal It is arranged in the first locating ring.
Preferably, gear font is additionally provided with fourth annular between the 3rd annular mounting groove and the second annular mounting groove Mounting groove, is provided with wiper ring in fourth annular mounting groove.
Preferably, being provided with the second locating ring in fourth annular mounting groove, wiper ring is arranged in the second locating ring.
Preferably, being provided with oil exit pipe in gear font, the oil exit pipe port of export stretches out outside gear font, and oil exit pipe passes through First row oil inlet pipe communicates with first annular mounting groove, and oil exit pipe is by second row oil inlet pipe and the 3rd annular peace Tankage communicates.
Preferably, the first frizing lip extends near the first pressure strip lopsidedness from the first noumenon.
Preferably, the second frizing lip extends near the second pressure strip lopsidedness from the second body.
Preferably, the first pressure strip is provided with the first sealing ring with gear font junction.
Preferably, the second pressure strip is provided with the second sealing ring with gear font junction.
The piston compressor oil-scraping device that the present invention proposes, gear font one end is fixing connects the first pressure strip, Fixing second pressure strip that connects of the gear font other end, gear font is provided with first annular near first pressure strip one end Mounting groove, gear font is provided with the second annular mounting groove, is positioned at first in gear font near second pressure strip one end Being provided with the 3rd annular mounting groove between annular mounting groove and the second annular mounting groove, the first oil-scraping ring is arranged on In one annular mounting groove, the second oil-scraping ring, the 3rd oil-scraping ring are arranged in the 3rd annular mounting groove, seal Ring is arranged in the second annular mounting groove;First oil-scraping ring is fixed by the first pressure strip, the second pressure Sealing ring is fixed, by arranging the first oil-scraping ring, the second oil-scraping ring, the 3rd oil-scraping ring by tight plate The piston rod of compressor is carried out triple frizing, it is to avoid lubricating oil remains on the piston rod;By scraping second The inner periphery of oil ring is provided with multiple first frizing lip and arranges multiple on the inner periphery of the 3rd oil-scraping ring Two frizing lips, when piston rod moves reciprocatingly, the first frizing lip, the second frizing lip can be by piston rods Lubricating oil strikes off completely;And second oil-scraping ring and the 3rd oil-scraping ring lean, after the first frizing lip frizing, Second frizing lip carries out effective frizing further to piston rod, extends and effectively strikes off the time, improves what oil struck off Efficiency.Present configuration is simple, it is ensured that the effectiveness striking off lubricating oil on piston rod, effectively stops lubrication Oil is mixed into the possibility of compressed gas with the reciprocating motion of piston rod.
Accompanying drawing explanation
Fig. 1 is a kind of piston compressor oil-scraping device structural representation that the present invention proposes.
Detailed description of the invention
With reference to Fig. 1, the present invention proposes a kind of piston compressor oil-scraping device, including gear font 1, first Pressure strip the 2, second pressure strip the 3, first oil-scraping ring the 4, second oil-scraping ring the 5, the 3rd oil-scraping ring 6, sealing ring 7, first locating ring the 12, second locating ring 15, wiper ring 14, wherein:
Gear font 1 is sleeved on the piston rod 8 of compressor, and gear font 1 one end is fixing connects the first pressure strip 2, Fixing second pressure strip 3 that connects of gear font 1 other end, the first pressure strip 2 and gear font 1 junction are provided with the One sealing ring, the second pressure strip 3 is provided with the second sealing ring with gear font 1 junction.Gear font 1 is near the One pressure strip 2 one end is provided with first annular mounting groove 9, and gear font 1 is provided with the near second pressure strip 3 one end Second ring mounting groove 10, in gear font 1 between first annular mounting groove 9 and the second annular mounting groove 10 Being provided with the 3rd annular mounting groove 11, gear font 1 is in the 3rd annular mounting groove 11 and the second annular mounting groove 10 Between be additionally provided with fourth annular mounting groove 13.
First oil-scraping ring 4 is arranged in first annular mounting groove 9, and the first oil-scraping ring 4 is away from gear font 1 one Fit with the first pressure strip 2 in side, the piston rod 8 periphery laminating of the first oil-scraping ring 4 inner periphery and compressor. Sealing ring 7 is arranged in the second annular mounting groove 10, and sealing ring 7 compresses with second away from gear font 1 side Plate 3 is fitted, the piston rod 8 periphery laminating of sealing ring 7 inner periphery and compressor.3rd annular mounting groove 11 Inside being provided with the first locating ring 12, the second oil-scraping ring the 5, the 3rd oil-scraping ring 6 is installed in the first locating ring 12, Second oil-scraping ring 5 includes that the first noumenon 501, the first noumenon 501 inner periphery are provided with multiple and compressor work First frizing lip 502 of stopper rod 8 periphery laminating, the first frizing lip 502 from the first noumenon 501 near first Pressure strip 2 lopsidedness ground extends;3rd oil-scraping ring 6 leans with the second oil-scraping ring 5, the 3rd oil-scraping ring 6 Including the second body 601, the second body 601 inner periphery is provided with multiple piston rod 8 periphery patch with compressor The the second frizing lip 602 closed, the second frizing lip 602 from the second body 601 near the second pressure strip 3 side Extend obliquely.Being provided with the second locating ring 15 in fourth annular mounting groove 13, wiper ring 14 is arranged on second In locating ring 15.
In the present embodiment, being provided with oil exit pipe 16 in gear font 1, oil exit pipe 16 port of export stretches out outside gear font 1, Oil exit pipe 16 is communicated with first annular mounting groove 9 by first row oil inlet pipe 17, and oil exit pipe 16 is by second Oil extraction arm 18 communicates with the 3rd annular mounting groove 11.First oil-scraping ring the 4, second oil-scraping ring the 5, the 3rd is scraped The lubricating oil that oil ring 6 scrapes is discharged by oil exit pipe 16, carries out recycling.
A kind of piston compressor oil-scraping device that the present invention proposes, the first pressure strip 2 is by the first oil-scraping ring 4 Being fixed, sealing ring 7 is fixed by the second pressure strip 3, by arrange the first oil-scraping ring 4, Second oil-scraping ring the 5, the 3rd oil-scraping ring 6 carries out triple frizing to the piston rod 8 of compressor, it is to avoid lubricating oil is residual Stay on piston rod 8;By be provided with on the inner periphery of the second oil-scraping ring 5 multiple first frizing lip 502 with And multiple second frizing lip 602 is set on the inner periphery of the 3rd oil-scraping ring 6, when piston rod 8 moves reciprocatingly, Lubricating oil on piston rod 8 can be struck off by first frizing lip the 502, second frizing lip 602 completely, and second Oil-scraping ring 5 leans with the 3rd oil-scraping ring 6, after the first frizing lip 502 frizing, and the second frizing lip 602 Further piston rod 8 is carried out effective frizing, extends and effectively strike off the time, improve the efficiency that oil strikes off.Enter One step, the first frizing lip 502 extends near the first pressure strip 2 lopsidedness from the first noumenon 501, Second frizing lip 602 extends near the second pressure strip 3 lopsidedness from the second body 601, and i.e. first Frizing lip 502 incline direction and the second frizing lip 602 incline direction are contrary, and piston rod 8 is carried out not Tongfang To frizing, further increase the effect struck off.Improve and wiper ring 14 is set, to the piston after frizing Bar 8 is cleaned, it is ensured that the effectiveness striking off lubricating oil on piston rod 8, effectively stops lubricating oil with work The reciprocating motion of stopper rod 8 is mixed into the possibility of compressed gas.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention Within the scope of.

Claims (9)

1. a piston compressor oil-scraping device, it is characterised in that include keeping off font (1), the first pressure Tight plate (2), the second pressure strip (3), the first oil-scraping ring (4), the second oil-scraping ring (5), the 3rd oil-scraping ring (6), sealing ring (7), wherein:
Gear font (1) is sleeved on the piston rod (8) of compressor, and connection the is fixed in gear font (1) one end One pressure strip (2), fixing the second pressure strip (3) that connects of gear font (1) other end, gear font (1) leans on Nearly first pressure strip (2) one end is provided with first annular mounting groove (9), and gear font (1) compresses near second Plate (3) one end is provided with the second annular mounting groove (10), is positioned at first annular mounting groove (9) in gear font (1) And it is provided with the 3rd annular mounting groove (11) between the second annular mounting groove (10);
First oil-scraping ring (4) is arranged in first annular mounting groove (9), and the first oil-scraping ring (4) is away from gear Fit with the first pressure strip (2) in font (1) side, the first oil-scraping ring (4) inner periphery and the work of compressor Fit in stopper rod (8) periphery;
Second oil-scraping ring (5), the 3rd oil-scraping ring (6) are arranged in the 3rd annular mounting groove (11), the Two oil-scraping rings (5) include that the first noumenon (501), the first noumenon (501) inner periphery are provided with multiple and pressure First frizing lip (502) of piston rod (8) the periphery laminating of contracting machine;3rd oil-scraping ring (6) is scraped with second Oil ring (5) leans, and the 3rd oil-scraping ring (6) includes the second body (601), in the second body (601) Circumference is provided with the second frizing lip (602) of multiple piston rod (8) periphery laminating with compressor;
Sealing ring (7) is arranged in the second annular mounting groove (10), and sealing ring (7) is away from gear font (1) Fit with the second pressure strip (3) in side, sealing ring (7) inner periphery and piston rod (8) periphery of compressor Laminating.
Piston compressor oil-scraping device the most according to claim 1, it is characterised in that the 3rd ring The first locating ring (12), the second oil-scraping ring (5), the 3rd oil-scraping ring (6) it is provided with in shape mounting groove (11) It is installed in the first locating ring (12).
Piston compressor oil-scraping device the most according to claim 1, it is characterised in that gear font (1) between the 3rd annular mounting groove (11) and the second annular mounting groove (10), it is additionally provided with fourth annular peace Tankage (13), is provided with wiper ring (14) in fourth annular mounting groove (13).
Piston compressor oil-scraping device the most according to claim 3, it is characterised in that Fourth Ring Being provided with the second locating ring (15) in shape mounting groove (13), wiper ring (14) is arranged on the second locating ring (15) In.
Piston compressor oil-scraping device the most according to claim 1, it is characterised in that gear font (1) being provided with oil exit pipe (16) in, oil exit pipe (16) port of export stretches out gear font (1) outward, oil exit pipe (16) Being communicated with first annular mounting groove (9) by first row oil inlet pipe (17), oil exit pipe (16) passes through second Oil extraction arm (18) communicates with the 3rd annular mounting groove (11).
Piston compressor oil-scraping device the most according to claim 1, it is characterised in that first scrapes Oil lip (502) extends near the first pressure strip (2) lopsidedness ground from the first noumenon (501).
Piston compressor oil-scraping device the most according to claim 1, it is characterised in that second scrapes Oil lip (602) extends near the second pressure strip (3) lopsidedness ground from the second body (601).
Piston compressor oil-scraping device the most according to claim 1, it is characterised in that the first pressure Tight plate (2) is provided with the first sealing ring with gear font (1) junction.
Piston compressor oil-scraping device the most according to claim 1, it is characterised in that the second pressure Tight plate (3) is provided with the second sealing ring with gear font (1) junction.
CN201610323794.4A 2016-05-13 2016-05-13 Oil scraping device for piston type compressor CN105952620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610323794.4A CN105952620A (en) 2016-05-13 2016-05-13 Oil scraping device for piston type compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610323794.4A CN105952620A (en) 2016-05-13 2016-05-13 Oil scraping device for piston type compressor

Publications (1)

Publication Number Publication Date
CN105952620A true CN105952620A (en) 2016-09-21

Family

ID=56911831

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610323794.4A CN105952620A (en) 2016-05-13 2016-05-13 Oil scraping device for piston type compressor

Country Status (1)

Country Link
CN (1) CN105952620A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01195199A (en) * 1987-12-11 1989-08-07 Blohm+Voss Ag Water tight structure for screw shaft of ship
CN2577003Y (en) * 2002-09-29 2003-10-01 山东华鲁恒升化工股份有限公司 Scraper ring assembly
CN101529140A (en) * 2006-11-23 2009-09-09 爱尔铃克铃尔股份公司 Sealing arrangement
CN204419505U (en) * 2015-01-01 2015-06-24 安徽昊源化工集团有限公司 A kind of reciprocal compressor oil wiper
CN204783553U (en) * 2015-06-30 2015-11-18 安徽寅时压缩机制造有限公司 Compressor with fuel tap is scraped in rotating
CN204984789U (en) * 2015-07-24 2016-01-20 蚌埠艾普压缩机制造有限公司 BOG retrieves compressor scraper ring box

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01195199A (en) * 1987-12-11 1989-08-07 Blohm+Voss Ag Water tight structure for screw shaft of ship
CN2577003Y (en) * 2002-09-29 2003-10-01 山东华鲁恒升化工股份有限公司 Scraper ring assembly
CN101529140A (en) * 2006-11-23 2009-09-09 爱尔铃克铃尔股份公司 Sealing arrangement
CN204419505U (en) * 2015-01-01 2015-06-24 安徽昊源化工集团有限公司 A kind of reciprocal compressor oil wiper
CN204783553U (en) * 2015-06-30 2015-11-18 安徽寅时压缩机制造有限公司 Compressor with fuel tap is scraped in rotating
CN204984789U (en) * 2015-07-24 2016-01-20 蚌埠艾普压缩机制造有限公司 BOG retrieves compressor scraper ring box

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Application publication date: 20160921

RJ01 Rejection of invention patent application after publication