CN201103456Y

CN201103456Y - Crankcase one-way valve structure capable of balancing barometric pressure

Info

Publication number: CN201103456Y
Application number: CNU200720075657XU
Authority: CN
Inventors: 张书杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-10-22
Filing date: 2007-10-22
Publication date: 2008-08-20
Anticipated expiration: 2017-10-22

Abstract

The utility model discloses a check valve structure of a crankcase for balancing pressure, which is characterized in that the crankcase is communicated with a filter through an air outlet pipe and the filter is communicated with the crankcase through an air inlet pipe and a heat insulation pedestal; the check valve is arranged in the air outlet pipe; a novel structure is adopted and a pipe-work with the check valve is added between the crankcase and the filter; when the pressure of the mixture of crankcase fuel and gas is strong, the check valve is pushed to open and part of the gas mixture is exhausted in the filter, thus avoiding environmental pollution and waste fuel brought by the scavenging of the high-pressure gas mixture; the gas mixture exhausted in the filter can be recycled and reused, thus having favorable practicality, decreasing the exhaust of the waste gas and economizing the energy.

Description

But a kind of crankcase one-way cock structure of equilibrium air pressure

Technical field:

The utility model relates to the technical field that reduces engine emissions and energy-saving consumption-reducing, utilize one-way valve system newly developed to the engine crankcase pressure balance specifically, reaching the toxic emission that reduces engine, and the oil consumption that reduces engine, particularly its mechanical connecting structure.

Background technique:

Two stroke engines in the market, igniting blast promotion piston retreats and form pressure in crankcase, the fuel oil and the Air mixing gas that have pressure are cleared away by force to the waste gas in the cylinder, having more also unburned mixed gas just to be discharged to air has like this suffered, both caused waste, again befouling environment.The present invention is exactly in order to reduce pressure, and burns once more with unnecessary mixed gas, has avoided waste and befouling environment like this.

So still need prior art is further improved, reduce the discharge amount of engine, realize energy-saving consumption-reducing.

Summary of the invention:

But the purpose of this utility model is to provide a kind of crankcase one-way cock structure of equilibrium air pressure, and it is big that it can overcome the existing product discharge amount, the shortcoming and defect of befouling environment.

To achieve these goals, technological scheme of the present invention is: but a kind of crankcase one-way cock structure of equilibrium air pressure, it mainly comprises crankcase, be provided with piston in the crankcase, it is characterized in that: described crankcase is by steam outlet pipe and filter cleaner UNICOM, filter cleaner again by suction tude through heat-insulating base and crankcase UNICOM, be provided with one-way valve in the steam outlet pipe.

But the utility model discloses a kind of crankcase one-way cock structure of equilibrium air pressure, product adopts new structure, increases the pipeline of a band one-way valve between crankcase and filter cleaner, when crankcase fuel oil and Air mixing atmospheric pressure are big.Can push one-way valve discharge section mixed gas open in filter cleaner, minimizing is carried out befouling environment and the waste fuel oil problem that scavenging brought because of high pressure mixing gas, be discharged to the interior mixed gas of filter cleaner and can return utilization again, have good practicability, not only reduced the exhaust gas discharging amount but also saved energy consumption.

Description of drawings:

Fig. 1 is the utility model structural representation

Embodiment:

With reference to the accompanying drawings, the utility model further is described

But the utility model is a kind of crankcase one-way cock structure of equilibrium air pressure, it mainly comprises crankcase 1, be provided with piston 2 in the crankcase 1, it is characterized in that: described crankcase 1 is by steam outlet pipe 3 and filter cleaner 4 UNICOMs, filter cleaner 4 passes through suction tude 9 again through heat-insulating base 5 and crankcase 1 UNICOM, be provided with one-way valve 6 in the steam outlet pipe, described one-way valve 6 is made of steel ball 7 and spring 8, and steel ball 7 props up spring 8.

In the specific implementation, descent of piston compresses the gas in crankcase and the scavenging air belt, when air pressure reaches certain Cheng Du puts on steel ball by steam outlet pipe pressure greater than spring force, steel ball is backed down, partially mixed gas can enter filter cleaner and air mixing, and mixed gas enters crankcase through heat-insulating base, when piston stroking upward, produce negative pressure in the crankcase, steel ball can seal outlet pipe under negative pressure and spring action, prevents that air from entering crankcase, impels mixed gas to enter crankcase.

Claims

But 1, a kind of crankcase one-way cock structure of equilibrium air pressure, it mainly comprises crankcase (1), be provided with piston (2) in the crankcase (1), it is characterized in that: described crankcase (1) is by steam outlet pipe (3) and filter cleaner (4) UNICOM, filter cleaner (4) passes through suction tude (9) again through heat-insulating base (5) and crankcase (1) UNICOM, is provided with one-way valve (6) in the steam outlet pipe.
But 2, the crankcase one-way cock structure of a kind of equilibrium air pressure according to claim 1 is characterized in that: described one-way valve (6) is made of steel ball (7) and spring (8), and steel ball (7) props up spring (8).