CN2232490Y - Insertion packing ring - Google Patents

Abstract

The utility model relates to an insertion packing type piston ring, which is an important part of a piston type internal combustion engine. The utility model solves the problem that the working gap of a single piston ring which is used by internal combustion engines at home and abroad presently leaks gas. An L-shaped ring body is inserted in a ring body of a concave cut notch under an outer circle, the openings of the two rings are mutually staggered to form a combined ring, and thus the working gap of one ring body is always sealed by the other ring body. When the utility model is used, gas and lubricating oil from the leakage path of the working gap of the ring are blocked. The power of the internal-combustion engine can be enhanced, the oil consumption can be reduced, and the period for the internal combustion engine altering piston rings can be extended.

Description

Interpolation formula piston ring

The utility model relates to a kind of Reciprocting piston compressor device, especially stroke piston combustion engine piston ring.

There is the working clearance in the monolithic entity piston ring of internal-combustion piston engine use both at home and abroad at present, and along with the ring body wearing and tearing, the working clearance of ring constantly increases, and gas leakage is on the rise, finally cause the internal-combustion engine various performance parameters constantly to reduce, Huan working life is also shorter simultaneously.

The patent No. of nineteen ninety State Patent Office's announcement: the dicyclo complementary piston ring of 90211445.X, its piston of packing into after superimposed by two ring bodies, when piston ring back and forth moves up and down along with piston, two ring bodies have the detaching motion phenomenon, the sideshake that produces just constitutes gas and oil passageway, effect is not ideal enough, axial vibration and radial vibration in addition, and two ring openings are easily overlapping and lose the dicyclo complementation.

The purpose of this utility model is to overcome the shortcoming that existing piston ring exists, and a kind of interpolation formula piston ring is provided, and improves the power of internal-combustion engine, reduces oil consumption, and the prolongation internal-combustion engine is the cycle of rering more.

The utility model adopts the interpolation mode design, will

Type ring body (2) inserts the ring body (1) of the recessed splitted groove of cylindrical, and two ring openings stagger mutually, are combined into associative ring one, and the working clearance of arbitrary like this ring body is hidden by another ring body and seals, and has improved the sealability of ring.

The utility model will be because employing will

The horizontal component of type ring body (2) inserts in the groove of the recessed splitted groove ring body of cylindrical (1), therefore

Type ring body (2) is being with together along with piston back and forth moves up and down by the recessed splitted groove ring body of cylindrical (1). The vertical component of type ring body (2) is mended the recessed part of cutting of the recessed splitted groove ring body of cylindrical (1) flat, two ring bodies are just formed square type ring one, two ring openings preferably stagger 180 °, the opening of arbitrary like this ring body is hidden by another ring body all the time and seals, combustion gas and lubricant oil are blocked from the working clearance leakage way during use, remedied the deficiency of existing piston ring, with the increase to the ring body wearing and tearing back working clearance ring sealing being reduced is overcome, this just can improve power of IC engine, reduce oil consumption, the prolongation internal-combustion engine is the cycle of rering more.In addition, use this associative ring, only need friction just much of that, that this will reduce multiple-sealed ring production on the piston one, fuel economy is made moderate progress, the cancellation of intermediate seal ring, eliminate this wearing and tearing, prolonged the working life of cylinder body, also eliminated the fault of sticking card of intermediate seal ring and plucking, simultaneously can reduce depth pistion and entire internal combustion engine height, also just reduce the manufacture cost and the ring of internal-combustion engine and formed this.

Description of drawings

The plan view of Fig. 1 associative ring

The left view of Fig. 2 associative ring

A-A sectional view among Fig. 3 Fig. 1

1, the recessed splitted groove ring body in the outside;

2.

The shape ring body

Embodiment:

The recessed splitted groove piston of the cylindrical ring body of making by Fig. 1 (1) is to be processed into by tratitional technology with common alloy cast iron or ductile cast iron material that the cylindrical bottom is recessed behind the square type ring cuts, and fluting is made. Type ring body (2) is with common steel band or Stainless Steel Band compression moulding.Will during installation

In the groove of the ring body (1) of the recessed fluting of type ring body (2) insertion cylindrical, two ring openings preferably stagger 180 ° mutually.It is basic identical that combination rectangular ring integral body after installing is moulded the external dimension of size and common square type ring outward, and the virtually any size that need not change piston and cylinder just can directly be installed and used.Must will be equipped with during the associative ring installation

The type ring, recessed facing down of cutting.Moulding size outside the integral body of associative ring should be according to the requirement manufacturing of different model internal-combustion engine.

Claims (1)

1, a kind of interpolation formula piston ring is characterized in that: the fluting shape of the recessed splitted groove ring body of cylindrical (1) with

Type ring body (2) is corresponding,

Type ring body (2) inserts forms one associative ring in the recessed splitted groove ring body of cylindrical (1), and two-part opening staggers.

Images