Mechanism for adjusting advance angle of diesel pump and diesel pump
A technology for diesel pumps and advance angles, which is applied to components, pump components, and pump controls of elastic fluid pumping devices. It can solve problems such as repeated replacement, and achieve the effects of reducing workload, improving efficiency, and reducing damage.
Active Publication Date: 2021-05-11
CHONGQING CAMEL POWER MACHINERY
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the existing defects and deficiencies in the prior art, to solve the disadvantages of repeatedly replacing gaskets and disassembling the oil pump assembly in the adjustment of the advance angle of the original diesel pump, thereby improving the adjustment efficiency of the advance angle of the diesel pump problem, provide a mechanism for adjusting the advance angle of the diesel pump and the diesel pump
Method used
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Embodiment 1
[0025] Such as Figure 1-Figure 6 As shown, a mechanism for adjusting the advance angle of a diesel pump includes a plunger sleeve 2, a plunger sleeve seat 3 and a nut 10, the plunger sleeve 2 is slidably arranged in the plunger sleeve seat 3, and the plunger sleeve The wall of the plug sleeve seat 3 is provided with an axial gap 9, and the external thread of the plunger sleeve seat 3 is connected with a nut 10, and the nut 10 is provided with an annular groove 11. On the plunger sleeve 2 A pin 12 is fixed, and the pin 12 is set in the annular groove 11 through the gap 9, and the nut 10 moves up and down on the plunger sleeve 3 to drive the pin 12 and the pin The plunger sleeve 2 moves up and down.
[0026] Such as Figure 4 and Figure 5 As shown, the nut 10 is provided with two, the annular groove 11 is arranged on the side of the nut 10, and the annular grooves 11 of the two nuts 10 are arranged next to each other, so that the column pin 12 is conveniently installed on t...
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The invention relates to the technical field of diesel pumps, in particular to a mechanism for adjusting an advance angle of the diesel pump. The mechanism comprises a plunger sleeve, a plunger sleeve seat and a nut, wherein the plunger sleeve is arranged in the plunger sleeve seat in a sliding mode; an axial notch is arranged in the wall of the plunger sleeve seat; the nut is connected outside the plunger sleeve seat in a threaded mode; an annular groove is arranged in the nut; a pin is fixed to the plunger sleeve and penetrates through the notch to be arranged in the annular groove; the nut moves up and down on the plunger sleeve seat to drive the pin and the plunger sleeve to move up and down; and the advance angle is adjusted without replacing a gasket and disassembling and assembling an oil pump assembly, so that the damage to parts is reduced, the workload of workers is reduced, and the efficiency of adjusting the advance angle is improved.
Description
technical field [0001] The invention relates to the technical field of diesel pumps, in particular to a mechanism for adjusting the advance angle of the diesel pump and the diesel pump. Background technique [0002] With the development of diesel engine technology, diesel engines are widely used in general machinery. In the domestic market, diesel engines are quite mature in technology and products, and are very popular in various domestic and foreign markets, mainly because of the simple structure of this type of engine. It has the advantages of stable performance, convenient maintenance, and affordable price, but there are also some unsatisfactory places. For the adjustment of the fuel supply advance angle of the diesel pump, usually the installation height of the diesel pump assembly is adjusted, and gaskets are added or decreased at the installation plane of the diesel pump assembly to adjust the advance angle of the diesel pump. Many, it is necessary to repeatedly incr...
Claims
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IPC IPC(8): F02M37/04F04B49/16F04B53/16F04B53/10
CPCF02M37/04F04B49/16F04B53/162F04B53/16F04B53/10F04B53/1087
Inventor 何良宋兴辉
Owner CHONGQING CAMEL POWER MACHINERY