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Motorcycle carburetor

A carburetor and motorcycle technology, applied in the field of machinery, can solve problems such as difficult maintenance, waste of resources, poor acceleration, etc., and achieve the effects of easy setting of the gas supply curve, improvement of engine power, and ingenious structural design

Inactive Publication Date: 2020-07-14
福鼎市鑫金龙机车部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The common motorcycle carburetor of the prior art has the deficiency that the air-fuel ratio of air and gasoline cannot reach the ideal state, and the gasoline is discharged from the exhaust pipe if it cannot be fully burned, resulting in high fuel consumption and waste of resources, and the gaseous pollution discharged from the exhaust pipe Excessive substances such as carbon monoxide, hydrocarbons and carbon oxides will cause great pollution to the environment. In addition, when gasoline is not burned cleanly, carbon deposits will be generated in the engine such as spark plugs, valves and other related parts, shortening their service life.
[0003] Moreover, the existing motorcycle carburetors are rarely provided with an air supply device. Even if there is an air supply device, the electronic control air supply method is often used to work. The air supply device is mainly composed of electronic components and electrical components, so there are the following Disadvantages: relatively high cost; high failure rate, short service life, not easy to maintain, professional repairs are required for problems
[0004] In order to avoid these defects, some manufacturers have developed a mechanical air supply carburetor, which is relatively low in cost, and the transmission path and component linkage relationship are relatively clear, easy to check, and easy to maintain. However, the air supply cable of this mechanical air supply carburetor The location of the plunger throttle cable is arranged in front of one another. When it is installed on a motorcycle and bent, one of them is easy to be lifted inadvertently or cause jamming
In addition, the air intake channel of the existing mechanical air supply carburetor is directly connected with the air supply valve seat and the air filter connection port of the shell by a rubber tube, so the rubber tube is easy to age and damage
The engine is not easy to start when the temperature is low, and it will stall when idling, and the acceleration is not smooth, and it is easy to stall

Method used

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Examples

Experimental program
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Embodiment 1

[0040] A motorcycle carburetor, comprising a carburetor body 1 with an air inlet 15, the carburetor body 1 is provided with an air supply device 2, and the carburetor body 1 is also provided with an air supply device 2 matching auxiliary air supply device 3;

[0041] The carburetor body is provided with a carburetor plunger 11, an oil needle 12, a main oil system nozzle 13 and a main oil supply system air passage 14, and the nozzle of the main oil system nozzle 13 in the carburetor body 1 The outlet end has an inclined slope structure 131, the main oil supply system air channel 14 penetrates the middle part of the main oil system nozzle 13 and communicates with the main oil system nozzle 13, and the inclined slope structure 131 is higher than the direction close to the air inlet 15 A slope away from the direction of the air inlet 15, the carburetor plunger 11 is pulled and controlled by the throttle cable 16;

[0042] The auxiliary air supply device 3 includes an air supply p...

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PUM

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Abstract

The invention relates to the technical field of machinery, in particular to a motorcycle carburetor which includes a carburetor body with an air inlet. An air supplement device is arranged on the carburetor body, and an auxiliary air supplement device matched with the air supplement device is further arranged on the carburetor body. According to the motorcycle carburetor, sufficient air supplementair input can be ensured, a slender valve needle is adopted to fit an air valve mouth, and the fit length between the valve needle and the air valve mouth is longer, so that an air supplement curve is easier and more accurate to set; a valve needle flat gasket is arranged between the air valve mouth and the valve needle, so that the air valve mouth is not in direct contact with the valve needle,and the jamming phenomenon can be effectively eliminated; because an inclined plane is the inclined plane which is inclined in the mode of the position in the direction close to the air inlet higher than the position in the direction away from the air inlet, the influence of the intake air flow on the diffusion of mixed air sprayed by a main injection nozzle is minimized, the atomization efficiency is improved, and the engine combustion is more fully; and fuel and air can be stably supplied when a motorcycle accelerates rapidly, so that the working efficiency of an engine is improved.

Description

technical field [0001] The invention relates to the technical field of machinery, in particular to a motorcycle carburetor. Background technique [0002] The carburetor is a mechanical device that mixes a certain proportion of gasoline with air under the vacuum generated by the engine. The common motorcycle carburetor of the prior art has the deficiency that the air-fuel ratio of air and gasoline cannot reach the ideal state, and the gasoline is discharged from the exhaust pipe if it cannot be fully burned, resulting in high fuel consumption and waste of resources, and the gaseous pollution discharged from the exhaust pipe Excessive substances such as carbon monoxide, hydrocarbons and carbon oxides will cause great pollution to the environment. In addition, when gasoline is not burned cleanly, carbon deposits will be generated in the engine such as spark plugs, valves and other related parts, shortening their service life. [0003] Moreover, the existing motorcycle carburet...

Claims

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Application Information

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IPC IPC(8): F02M7/24
CPCF02M7/24F02M7/245
Inventor 潘晓芳夏增平
Owner 福鼎市鑫金龙机车部件有限公司
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