Novel dust removal reversible fan device for water tank

Abstract

The invention discloses a novel dust removal reversible fan device for a water tank. The novel dust removal reversible fan device for the water tank comprises a shell, blades, a small shifting fork, acentral positioning gear, an elastic device, a guide bar, a transmission sleeve, a central shaft, a main bearing and a shell cover. By a combined matched mode of the shell as a fixed part and the central positioning gear movable part, the problem of heat dissipation and unstable dust removal performance caused by change of distance between the blades and a heat dissipator in normal and reverse rotating processes is solved effectively, so that heat dissipation at a fixed distance between the blades and the heat dissipator and dust removal are achieved; a spring is internally arranged, so thatthe problem that the spring is exposed for a long time is solved. The service life of a reset mechanism is guaranteed, the whole structure is more compact and miniature, and the safety of mechanical moving parts is enhanced. The product is simple in integral structure and convenient for processing production, the manufacturing cost is also lowered greatly, and the technical scheme provided by theinvention is popularized and applied favorably.

Description

technical field [0001] The invention relates to the technical field of dust removal devices, in particular to a dust removal device with a reverse fan. Background technique [0002] At present, in the solution of the dust accumulation on the cooling fins of the engine water tank, artificial air guns and water guns are generally used to remove dust from the cooling fins. This method can only remove a small amount of dust accumulation, and the effect is acceptable for the field where the dust accumulation is not obvious. , but there is also the problem that if the dust is not removed in time, it is easy to form dust, which makes it difficult to remove it during manual dust removal; especially in the fields of high pollution and heavy dust in agriculture and industry, the heat sink of the engine water tank is particularly easy to accumulate Dust, only manual dust removal is not only inefficient and not timely, but also seriously affects the heat dissipation efficiency of the en...

AI Technical Summary

Problems solved by technology

[0002] At present, in the solution of the dust accumulation on the cooling fins of the engine water tank, artificial air guns and water guns are generally used to remove dust from the cooling fins. This method can only remove a small amount of dust accumulation, and the effect is acceptable for the field where the dust accumulation is not obvious. , but there is also the problem that if the dust is not removed in time, it is easy to form dust, which makes it difficult to remove it during manual dust removal; especially in the fields of high pollution and heavy dust in agriculture and industry, the heat sink of the engine water tank is particularly easy to accumulate Dust, only manual dust removal is not only inefficient and not timely, but also seriously affects the heat dissipation efficiency of the engine, affects the working performance of the engine and even affects the service life of the engine

[0003] In the Chinese Patent Publication No. CN206530397U, the solution mentioned has a process of spring return drive. In the above disclosed patent documents, the spring return device is arranged outside the shell, which is prone to corrosion in the open environment for a long time. Reset performance; the most important thing is that in the existing technical solutions, when the fan blades are in the state of reverse dust removal, the return spring is often compressed strongly, and at this time the blades are also rotated at a certain angle for reverse blowing. In practical applications, it is found that At this time, the spring is in the state of maximum energy storage, coupled with the reaction force of reverse blowing, it is often easy to push the fan backwards away from the radiator of the water tank, resulting in poor dust removal effect of the radiator. The existing structure is in the state of heat dissipation and dust removal. The distance between the fan blade and the radiator changes greatly. Due to the drive of the reversing device and the drive of the reset device, if fatigue occurs after long-term use, the parts cannot be completely reversed and reset. The effect on heat dissipation and dust removal is The third is that the existing product structure is complex, which is not conducive to processing and production, and the shell also needs to move left and right during work, which also has great impact on mechanical safety. big potential risk

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