CN2498359Y

CN2498359Y - Main throat of carburettor with air duct

Info

Publication number: CN2498359Y
Application number: CN 01279148
Authority: CN
Inventors: 邵本琦
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-05-31
Filing date: 2001-12-25
Publication date: 2002-07-03
Anticipated expiration: 2011-12-25

Abstract

The utility model discloses a carburetor main throat with an air duct, comprising a main throat, an air duct and an idle speed vent pipe, wherein the main throat is arranged on the carburetor; the air duct and the idle speed vent pipe are arranged on the main throat; the idle speed vent pipe is fixed on the main throat and faces the opening of an air damper and extends to the below of the air damper; the air damper is arranged at the underside of the main throat and is connected with an air damper shaft which is fixed on the carburetor. The air damper is provided with an opening which passes through the idle speed vent pipe. The opening of the air damper corresponds with the spout of the carburetor. The utility model has good effect which is shown in that the duct and the idle speed vent pipe can raise the air content until the concentration of the mixture gas reaches a proper degree, so the oil can be fully burned and the char accumulated in the cylinder can be as less as possible, therefore the utility model has remarkable effect of saving oil.

Description

The carburetor main trunnion of band air vent

Technical field

The utility model belongs to automobile carburetor, particularly a kind of carburetor main trunnion of tape channel.

Background technique

The present automobile carburetor that generally uses, the air in the general mixed gas does not have the idling breathing pipe through mixing with gasoline in the three trunnion chambeies, controlled by the opening degree of closure, be so limited, under the strong attitude of anoxic, burn mostly in the combustor inner cylinder chamber, the carbon monoxide discharge capacity is big, the mixture strength height, the abundant burning of influence oil is especially when high load, influence bigger, easily cause the carbon deposit of cylinder, oil consumption is big, and the thermal efficiency is low.

Summary of the invention

For overcoming the problem of above-mentioned existence, the utility model provides a kind of carburetor main trunnion, reaches abundant burning, reduces the purpose of incrustation of cylinder and fuel-economizing.

For achieving the above object, the utility model adopts following scheme to implement:

The utility model comprises primary venturi, air vent and idling breathing pipe, Carburetor is provided with primary venturi, primary venturi is provided with air vent and idling breathing pipe, the idling breathing pipe is fixed on the primary venturi, corresponding with the closure opening, stretch to closure opening below, closure is located at below the primary venturi, closure is connected with throttle plate pin, and throttle plate pin is fixed on the Carburetor.Closure is provided with the closure opening by the idling breathing pipe.

Effect of the present utility model is obvious, by air vent and idling air vent, increases air content, and mixture strength is reasonable, reaches the abundant burning of oil, reduces the carbon deposit of cylinder, and oil-saving effect is obvious.

Description of drawings

Fig. 1 is a carburetor main trunnion sectional view.

Fig. 2 is the A-A view of Fig. 1.

Fig. 3 is the primary venturi plan view.

Among the figure:

1 Carburetor, 2 primary venturis

3 air vents, 4 idling breathing pipes

5 closures, 6 closure openings

7 throttle plate pins

Embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

The utility model comprises primary venturi 2, air vent 3 and idling breathing pipe 4, Carburetor 1 is provided with primary venturi 2, primary venturi 2 is provided with air vent 3 and idling breathing pipe 4, idling breathing pipe 4 is fixed on the primary venturi 2, and is corresponding with closure opening 6, stretches to closure opening 6 belows, closure 5 is located at below the primary venturi 2, closure 5 is connected with throttle plate pin 7, and throttle plate pin 7 is fixed on the Carburetor 1, and closure 5 is provided with the closure opening 6 by the idling breathing pipe.

As shown in Figure 1: the air that enters the Carburetor atomizing cavity downwards and enter the Carburetor atomizing cavity through air vent 3 from primary venturi 2 inner chambers through the mixed gas of atomizing is mixed aerosol once more, air quantity increases in the mixed gas, enter cylinder by closure 5 through suction tude, during idling operation, closure 5 is closed, after the air mixing that mixed gas enters closure 5 belows from idle hole ejection and idling breathing pipe 4 atomizes, enter cylinder through suction tude.Mixed gas after flowing out primary venturi with newly-increased air mixed aerosol once more, air equivalent increases in the mixed gas, burns in cylinder combustion to speed up, the thermal efficiency obviously improves, the corresponding minimizing of carbon monoxide discharge capacity reaches the effect of environmental protection and fuel-economizing.

Claims

1. carburetor main trunnion with air vent, it is characterized in that comprising primary venturi (2), air vent (3) and idling breathing pipe (4), Carburetor (1) is provided with primary venturi (2), primary venturi (2) is provided with air vent (3) and idling breathing pipe (4), idling breathing pipe (4) is fixed on the primary venturi (2), corresponding with closure opening (6), stretch to closure opening (6) below, closure (5) is located at below the primary venturi (2), closure (5) is connected with throttle plate pin (7), and throttle plate pin (7) is fixed on the Carburetor (1).Closure (5) is provided with the closure opening (6) by the idling breathing pipe.