CN2937675Y

CN2937675Y - Double-sheet combined oi wiper, gas package piston ring

Info

Publication number: CN2937675Y
Application number: CN 200620025076
Authority: CN
Inventors: 魏永强
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-27
Filing date: 2006-07-27
Publication date: 2007-08-22
Anticipated expiration: 2016-07-27

Abstract

The utility model offers a double-piece combined scraping oil sealing piston ring, whose basic structure includes two pieces of combined piston rings, which is characterized in that: the upper and the lower piston rings are taper-face ring or bucket-face ring and or the upper is bucket-face ring and the lower is taper-face ring. During utilization, an oil seal belt is formed at the inter space of the joint of the upper and lower piston rings, then the oil seal belt further seals the air leak channel of the working face between the cylinder liner (5) and the outer circle of the piston ring, moreover strengthens the lubrication of the working face so as to reduce the abrasion, and therefore prolongs the service life of the engine and improves the sealing effect, and finally arrives at the purposes of saving fuel and lubricants, improving the power of the internal combustion engine and reducing the burning lubricant as well as reducing pollutant discharge.

Description

A kind of biplate combination frizing, envelope gas piston ring

Technical field

The utility model relates to a kind of biplate combination frizing, envelope gas piston ring, belongs to the piston-ring packing technical field on explosive motor, the air compressor.

Background technique

At present, tapered collar together is housed all between compression ring and oil ring on the piston of explosive motor, air compressor, is used for the auxiliary following oil ring frizing and the compression ring envelope gas of auxiliary top.Motor is when work, and piston ring is the high speed to-and-fro motion in cylinder, and piston ring is by the downward frizing of elastic mechanical contact casing wall.Because lubricant oil is that thick liquid has adsorptivity, be bonded at and be difficult for scraping clean on the cylinder wall, residual lubricant oil slips over compression ring and enters the firing chamber.The high temperature that produces during oil inflame makes the lubricant oil carbonization, forms the carbon distribution grit, easily causes scuffing of cylinder bore, reduces motor working life, and produces particle contamination; In like manner, piston ring is the high speed to-and-fro motion in cylinder, the dynamic heat distorsion of cylinder liner can cause that the sealed working face between cylinder liner working surface and the piston ring excircle face loses best fit, produce the slit between piston ring and the casing wall, gas molecule passes the slit under the high pressure, cause gas leakage, the power character of motor is reduced.The piston ring of disclosed biplate combination is to improve gap-clearance of piston rings place or dicyclo surface of contact shape mostly in patent publication us, and the problems referred to above are not still had concrete solution.

Summary of the invention

The purpose of this utility model is to provide a kind of piston-ring packing with twice auxiliary frizing, oiliness sealing strip envelope gas, with the sealing that increases working surface between piston ring and the cylinder liner and lubricated, reaches frizing, sealing and lubrication effect better.

The technical solution of the utility model is achieved in that this biplate combination frizing, envelope gas piston ring, and its basic structure comprises two piston rings of being provided with of combination up and down, it is characterized in that: piston ring is a taper-face ring up and down; Bucket face ring up and down; An or upward bucket face ring, taper-face ring combination setting down.

Described biplate combination frizing, envelope gas piston ring, described tapering α=0-3 ° of going up taper-face ring.

Described biplate combination frizing, envelope gas piston ring, described taper-face ring tapering β down=30 '-5 °.

Described biplate combination frizing, envelope gas piston ring, the bucket face degree δ=0.001-0.1 of described bucket face ring.

The technical solution adopted in the utility model technological progress effect shows that the frizing effect is remarkable, and sealability is strong, can reduce the consumption of fuel oil and lubricant oil, and the also discharging of contaminant reducing further improves the output power of explosive motor.

Description of drawings

Fig. 1 is a sectional view of going up piston ring with taper face

Fig. 2 is the sectional view of following piston ring with taper face

Fig. 3 is barrel sectional view of face piston ring

Fig. 4 is one of embodiment of biplate multiple-piece piston-ring

Fig. 5 be the biplate multiple-piece piston-ring embodiment two

Among the embodiment's of Fig. 6 biplate multiple-piece piston-ring three figure:

1, goes up taper-face ring 2, following taper-face ring 3, bucket face ring 4, piston 5, cylinder sleeve 6, oil sealing band α, taper angle 0-3 ° β, taper angle 30 '-5 ° δ, bucket face degree 0.001-0.1

Embodiment

The annular instantiation of the piston that the utility model provides shown in Fig. 1,2,3, the combination embodiment of the biplate multiple-piece piston-ring that the utility model provides shown in Fig. 4,5,6, two piston rings of configuration in one piston ring groove on piston 4, upper piston ring near piston head is taper-face ring 1 or bucket face ring 3, the design tapering α of taper-face ring=0～3 °, design bucket face degree δ=0.001～0.1 of bucket face ring; Near the lower piston ring of piston skirt also is taper-face ring 2 or bucket face ring 3, design tapering β=30 '～5 of following taper-face ring °, design bucket face degree δ=0.001～0.1 of following barrel of face ring.Its compound mode is that up and down taper-

face ring

1,2 is as shown in Figure 4; Or

bucket face ring

3,3 is as shown in Figure 6 up and down; Or go up bucket face ring 3, following taper-face ring 2, as shown in Figure 5.

In biplate multiple-piece piston-ring when work: following taper-face ring 2 or bucket face ring 3 are scraped residual lubricant oil behind the lubricant oil again by last taper-face ring 1 or bucket face ring 3 secondary frizings, lubricant oil scraped in the space, junction of piston ring up and down form a circumferential oil sealing band 6, this oil sealing band has further sealed the leakage path of working surface between piston ring excircle and the cylinder liner 5 and has strengthened the lubricated of this working surface.Reach the wearing and tearing that reduce its working surface, improve sealing effect the working life of prolongation motor, the purpose of saving fuel oil and lubricant oil and improving the power of explosive motor, the scaling loss that reduces lubricant oil, minimizing pollutant emission.

Foregoing description only proposes as several enforceable technological scheme of the utility model biplate combination frizing, envelope gas piston ring, not as the single restrictive condition to its structure itself.

Claims

1, a kind of biplate combination frizing, envelope gas piston ring, its basic structure comprises the piston ring (1,2) that two upper and lower combinations are provided with, it is characterized in that: piston ring is upper and lower taper-face ring; Upper and lower bucket face ring; An or upward bucket face ring, taper-face ring combination setting down.

2, biplate combination frizing according to claim 1, envelope gas piston ring is characterized in that: described tapering α=0-3 ° of going up taper-face ring (1).

3, biplate combination frizing according to claim 1, envelope gas piston ring is characterized in that: described taper-face ring (2) tapering β down=30 '-5 °.

4, biplate combination frizing according to claim 1, envelope gas piston ring is characterized in that: the bucket face degree δ=0.001-0.1 of described bucket face ring (3).