Adjustable cavity shrinkage rod of main nozzle
An adjustable, main nozzle technology, applied in the field of carburetor maintenance tools, can solve problems such as pollution, uneven manufacturing process precision, and high fuel consumption of fuel injection nozzles
Inactive Publication Date: 2011-01-05
庄景阳
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Problems solved by technology
[0002] Most motorcycles use carburetors to supply oil. The carburetors are simple in structure and easy to maintain, but there are obvious shortcomings: because the motorcycle must loosen the throttle when driving, when the high-speed to low-speed transition, Because the suction force generated by the engine is greater than the air intake of the carburetor, a large amount of fuel is sucked into the engine through the main nozzle; and due to the different precision of the manufacturing process, the fuel injection nozzle becomes an irregular circle. Large oil nozzle hole leads to high fuel consumption and serious pollution
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[0008] The accompanying drawing is a structural diagram of an adjustable main nozzle shrinkage rod of the present invention, which is composed of a knocking head 1, an adjusting rod 2, a main body 3, a limiting head 4, a spring 5, a rod sleeve 6, and a hand plate 7. In the accompanying drawings, the knocking head 1 and the main body 3 are screwed and fastened, the limit head 4 and the spring 5 are installed inside the main body 3, the adjusting rod 2 and the knocking head 1 are movable and adjustable threaded connections, and the rod sleeve 6 is riveted with hand plate 7.
[0009] The A end of the limit head 4 is 2mm, and the B end is 2.5mm.
[0010] The bevel angle below the main body 3 is 20°.
[0011] The shape of the bottom end of the rod sleeve 6 matches the shape of the top end of the adjusting rod 2 .
[0012] The present invention is assembled by the following steps: screw the adjusting rod 2 on the striking head 1, put the spring 5 on the limit head 4 and put them t...
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The invention relates to an adjustable cavity shrinkage rod of a main nozzle, comprising a knocking head, an adjusting rod, a main body, a limit head, a spring, a rod casing and a hand disc. The adjustable cavity shrinkage rod is characterized in that the knocking head is fixedly connected with the main body by threads, the limit head and the spring are arranged inside the main body, the adjusting rod and the knocking head are movably and adjustably connected by threads, and the rod casing is riveted with the hand disc. The main nozzle is taken down after a carburetor is disassemble, the upper end of the main nozzle is put into a 5mm through hole, a 4mm through hole or a 5.5mm through hole of a sizing block according to the type of the main nozzle, the hand disc is rotated by heads so as to adjust the adjusting rod, the adjusting rod is rotated clockwise to move downwards to drive the limit head to move downwards, the adjusting rod is rotated counterclockwise to move upwards, and the limit head shrinks inwards under the action of the spring, therefore, the change of the limit head at any points between an A end and a B end is realized so as to achieve the function of adjusting the size of the limit head.
Description
technical field [0001] The invention relates to a carburetor maintenance tool for a gasoline engine, in particular to an adjustable main nozzle shrinkage rod. Background technique [0002] Most motorcycles use carburetors to supply oil. The carburetors are simple in structure and easy to maintain, but there are obvious shortcomings: because the motorcycle must loosen the throttle when driving, when the high-speed to low-speed transition, Because the suction force generated by the engine is greater than the air intake of the carburetor, a large amount of fuel is sucked into the engine through the main nozzle; and due to the different precision of the manufacturing process, the fuel injection nozzle becomes an irregular circle. The large nozzle hole leads to high fuel consumption and serious pollution. The adjustable main nozzle shrinkage rod is mainly derived from the disadvantage that the size of the positioning pin cannot be adjusted in actual use in the inventor's applic...
Claims
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IPC IPC(8): B23P6/00
Inventor 庄景阳
Owner 庄景阳