CN201650663U - Efficient oil-free piston compression device - Google Patents

Efficient oil-free piston compression device Download PDF

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Publication number
CN201650663U
CN201650663U CN2010201058539U CN201020105853U CN201650663U CN 201650663 U CN201650663 U CN 201650663U CN 2010201058539 U CN2010201058539 U CN 2010201058539U CN 201020105853 U CN201020105853 U CN 201020105853U CN 201650663 U CN201650663 U CN 201650663U
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CN
China
Prior art keywords
piston
bearing
cylinder
crankshaft
efficient
Prior art date
Application number
CN2010201058539U
Other languages
Chinese (zh)
Inventor
杨柳
Original Assignee
杨柳
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 杨柳 filed Critical 杨柳
Priority to CN2010201058539U priority Critical patent/CN201650663U/en
Application granted granted Critical
Publication of CN201650663U publication Critical patent/CN201650663U/en

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Abstract

The utility model relates to an efficient oil-free piston compression device, which comprises a crankshaft seat. The device is characterized in that: the lateral surface of the crankshaft seat is provided with two groups of piston devices which form a certain included angle; each piston device consists of a piston assembly, a cylinder, a valve plate and a cylinder cover which are in matched connection; a bearing is arranged in the crankshaft seat; the crankshaft seat is connected with a crankshaft through the bearing; the crankshaft is provided with a fan blade and an air guide cover in turn, and the fan blade is arranged in the air guide cover; and one end of the piston assembly is connected with an eccentric shaft of the crankshaft, while the other end is arranged in the cylinder. Compared with the same oil-free compressor, the efficient oil-free piston compression device has simple and reliable structure, reduces the cost and the leakage, improves the stability, can obtain higher output pressure, remarkably prolongs the service life of a machine and remarkably improves the work efficiency of the machine.

Description

A kind of efficient no oily Piston Compression device
Technical field
The utility model relates to a kind of efficient no oily Piston Compression device.
Background technique
Oilless compressor requires high request industry that very widely market arranged at medical treatment, food, chemical industry etc. to air quality as the air source that clean air can be provided.At present, do not have oily piston compressor adopts composite as piston ring more.This structure with have oily piston structure similar, just the material of piston ring is not had instead oil condition under can selflubricating material, motive position increase self oiling bearing between connecting rod and the wrist pin; Though this structure can realize that no oil pressure contracts, sealing effect is poor, efficient is low, and after working long hours, because wear of piston-rings, efficient reduces obviously.The fork oilless compressor of another structure is made of one connecting rod and piston, adopts cup packing, has cancelled bearing simultaneously, and the tension force by leather cup during work seals.Though this structure has been improved sealing effect, because leather cup is in the oscillating traverse motion state for a long time, very easily weares and teares and break, the life-span is very short.Because the existence of these problems has restricted applying of oilless compressor.
The model utility content
At problems of the prior art, the purpose of this utility model is in the technological scheme that a kind of efficient no oily Piston Compression device is provided.
Described a kind of efficient no oily Piston Compression device, comprise crankshaft base, it is characterized in that described crankshaft base side is in a certain angle is provided with two groups of piston apparatus, piston apparatus is made up of the piston assembly that is connected, cylinder, valve plate and cylinder cap, and bearing is set in the crankshaft base, and crankshaft base is provided with bent axle by the bearing connection, set gradually fan blade and wind scooper on the bent axle, fan blade is arranged in the wind scooper, and an end of piston assembly links to each other with the eccentric shaft of bent axle, and the other end is installed in the cylinder.
Described a kind of efficient no oily Piston Compression device, it is characterized in that described piston assembly comprises connecting rod, piston, wrist pin, piston cup, leather cup gland and guide ring, piston head is provided with piston cup, piston cup is fixedlyed connected with piston by the leather cup gland, the piston middle part is provided with guide ring, install in the piston wrist pin is set, the outer socket of wrist pin is provided with needle bearing, piston bottom end is passed through wrist pin, needle bearing is connected with connecting rod, connnecting rod big end is equipped with self oiling bearing, connecting rod links to each other with the eccentric shaft of bent axle by self oiling bearing, and piston tip and cylinder are connected.
Described a kind of efficient no oily Piston Compression device is characterized in that described piston cup made by self lubricating material.
Described a kind of efficient no oily Piston Compression device is characterized in that described guide ring made by self lubricating material.
Described a kind of efficient no oily Piston Compression device is characterized in that described needle bearing both sides are provided with oil sealing respectively.
Above-mentioned a kind of efficient no oily Piston Compression device, leather cup because gas pressure opens, is close to cylinder when work, effectively reduce and leak, and raises the efficiency; Guide ring in the middle part of the piston has effectively been alleviated the friction of leather cup, improves the working life of leather cup, has improved the sealing effect of piston simultaneously; Be sealed with lubricating grease in the needle bearing, efficiently solve the lubrication problem of bearing, make connecting rod that free remaining is arranged in the axial direction simultaneously, can eliminate bearing eccentric wear and damage that installation deviation causes automatically, improved bearing life, adopt two cover piston apparatus in addition, reduce volume, raise the efficiency, adopt built-in fan blade simultaneously, force cooling cylinder and piston assembly, improve compression efficiency.This compression set is compared with oilless compressor of the same type, and is simple in structure, reliable, and cost reduces, and leaks and reduces, and stability improves, and can obtain higher delivery pressure, and service life of a machine and working efficiency also significantly improve.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model piston assembly;
Fig. 3 is an A-A sectional structure schematic representation among Fig. 2.
Embodiment
Below in conjunction with Figure of description the utility model is described further:
As shown in the figure, a kind of efficient no oily Piston Compression device, comprise crankshaft base 5, the crankshaft base 5 sides two cover piston apparatus that are provided with in a certain angle, piston apparatus is by the piston assembly 6 that is connected, cylinder 7, valve plate 8 and cylinder cap 9 are formed, bearing 4 is set in crankshaft base 5, crankshaft base 5 is provided with bent axle 3 by bearing 4 connections, set gradually fan blade 2 and wind scooper 1 on the bent axle 3, fan blade 2 can rotate around bent axle 3, and fan blade 2 is arranged in the wind scooper 1, by blade cover 1 with cooling air guide piston assembly 6 and cylinder 7, force cooling piston assembly 6 and cylinder 7, an end of piston assembly 6 links to each other with the eccentric shaft of bent axle 3, and the other end is installed in the cylinder 7; Piston assembly 6 comprises connecting rod 6-5, piston 6-3, wrist pin 6-8, piston cup 6-2, leather cup gland 6-1 and guide ring 6-4, piston 6-3 top is provided with piston cup 6-2, piston cup 6-2 is made by self lubricating material, piston cup 6-2 is fixedlyed connected with piston 6-3 by leather cup gland 6-1, improved the sealing effect of machine, improved compression efficiency, piston 6-3 middle part is provided with guide ring 6-4, guide ring 6-4 is made by self lubricating material, guide ring 6-4 can stable plunger 6-3 to-and-fro motion, reduce wear, improve the stability and the life-span of machine, install in the piston 6-3 wrist pin 6-8 is set, the outer socket of wrist pin 6-8 is provided with needle bearing 6-7, needle bearing 6-7 both sides are provided with oil sealing 6-6 respectively, with grease sealing in needle bearing 6-7, lubrication quill bearing 6-7 and wrist pin 6-8, improved service life of a machine, piston 6-3 bottom is by wrist pin 6-8, needle bearing 6-7 is connected with connecting rod 6-5, connecting rod 6-5 can axially and on the circumference move freely at wrist pin 6-8, connecting rod 6-5 major part is equipped with self oiling bearing 6-9, and connecting rod 6-5 links to each other with the eccentric shaft of bent axle 3 by self oiling bearing 6-9, and piston 6-3 top and cylinder 7 are connected.
When bent axle 3 rotatablely moves, connecting rod 6-5 driven plunger 6-3 motion, guide ring 6-4 plays effect of contraction, bent axle 3 is finished by self oiling bearing 6-9 with the relative movement of connecting rod 6-5, rolling pendulum motion between connecting rod 6-5 and the wrist pin 6-8 is finished by needle bearing 6-7, to-and-fro motion between piston 6-3 and the cylinder 7 is finished by the piston cup 6-2 and the guide ring 6-4 of selflubricating, and two groups of piston 6-3 do the to-and-fro motion that does not need lubricant oil in cylinder 7, has realized compressing required air-breathing and exhaust process; The air-flow that fan blade 2 rotations form is forced cooling cylinder 7 and piston assembly 6 by two cylinders 7 of wind scooper 1 guiding, has effectively reduced the operating temperature of cylinder 7 and piston assembly 6, has improved compression efficiency.
The utility model is compared with oilless (oil free) compressor of the same type, and it is simple in structure, reliable, and cost is low, leaks lowly, and stability is high, and can obtain higher output pressure, and service life of a machine and operating efficiency also significantly improve.

Claims (5)

1. efficient no oily Piston Compression device, comprise crankshaft base (5), it is characterized in that described crankshaft base (5) side is in a certain angle is provided with two groups of piston apparatus, piston apparatus is by the piston assembly that is connected (6), cylinder (7), valve plate (8) and cylinder cap (9) are formed, bearing (4) is set in the crankshaft base (5), crankshaft base (5) is provided with bent axle (3) by bearing (4) connection, set gradually fan blade (2) and wind scooper (1) on the bent axle (3), fan blade (2) is arranged in the wind scooper (1), one end of piston assembly (6) links to each other with the eccentric shaft of bent axle (3), and the other end is installed in the cylinder (7).
2. a kind of efficient no oily Piston Compression device according to claim 1, it is characterized in that described piston assembly (6) comprises connecting rod (6-5), piston (6-3), wrist pin (6-8), piston cup (6-2), leather cup gland (6-1) and guide ring (6-4), piston (6-3) top is provided with piston cup (6-2), piston cup (6-2) is fixedlyed connected with piston (6-3) by leather cup gland (6-1), piston (6-3) middle part is provided with guide ring (6-4), install in the piston (6-3) wrist pin (6-8) is set, the outer socket of wrist pin (6-8) is provided with needle bearing (6-7), piston (6-3) bottom is by wrist pin (6-8), needle bearing (6-7) is connected with connecting rod (6-5), connecting rod (6-5) major part is equipped with self oiling bearing (6-9), connecting rod (6-5) links to each other with the eccentric shaft of bent axle (3) by self oiling bearing (6-9), and piston (6-3) top and cylinder (7) are connected.
3. a kind of efficient no oily Piston Compression device according to claim 2 is characterized in that described piston cup (6-2) made by self lubricating material.
4. a kind of efficient no oily Piston Compression device according to claim 2 is characterized in that described guide ring (6-4) made by self lubricating material.
5. a kind of efficient no oily Piston Compression device according to claim 2 is characterized in that described needle bearing (6-7) both sides are provided with oil sealing (6-6) respectively.
CN2010201058539U 2010-01-28 2010-01-28 Efficient oil-free piston compression device CN201650663U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201058539U CN201650663U (en) 2010-01-28 2010-01-28 Efficient oil-free piston compression device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201058539U CN201650663U (en) 2010-01-28 2010-01-28 Efficient oil-free piston compression device

Publications (1)

Publication Number Publication Date
CN201650663U true CN201650663U (en) 2010-11-24

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105508194A (en) * 2016-01-14 2016-04-20 宁波百瑞天然气高压压缩机有限公司 Gas compression device of multistage gas compressor
CN105508193A (en) * 2016-01-14 2016-04-20 宁波百瑞天然气高压压缩机有限公司 Driving device of multistage gas compressor
CN105840457A (en) * 2016-01-14 2016-08-10 宁波百瑞天然气高压压缩机有限公司 Crankshaft mechanism of multistage gas compressor
CN105909492A (en) * 2016-01-14 2016-08-31 宁波百瑞天然气高压压缩机有限公司 Multistage gas compressor
CN106194643A (en) * 2016-08-31 2016-12-07 瑞立集团瑞安汽车零部件有限公司 A kind of electronic oil-free main air compressor machine air compression plant
US9856866B2 (en) 2011-01-28 2018-01-02 Wabtec Holding Corp. Oil-free air compressor for rail vehicles

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9856866B2 (en) 2011-01-28 2018-01-02 Wabtec Holding Corp. Oil-free air compressor for rail vehicles
CN105508194A (en) * 2016-01-14 2016-04-20 宁波百瑞天然气高压压缩机有限公司 Gas compression device of multistage gas compressor
CN105508193A (en) * 2016-01-14 2016-04-20 宁波百瑞天然气高压压缩机有限公司 Driving device of multistage gas compressor
CN105840457A (en) * 2016-01-14 2016-08-10 宁波百瑞天然气高压压缩机有限公司 Crankshaft mechanism of multistage gas compressor
CN105909492A (en) * 2016-01-14 2016-08-31 宁波百瑞天然气高压压缩机有限公司 Multistage gas compressor
CN106194643A (en) * 2016-08-31 2016-12-07 瑞立集团瑞安汽车零部件有限公司 A kind of electronic oil-free main air compressor machine air compression plant
CN106194643B (en) * 2016-08-31 2019-07-05 瑞立集团瑞安汽车零部件有限公司 A kind of electronic oil-free main air compressor machine air compression plant

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Granted publication date: 20101124

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