rotary multi-way commutator

Abstract

The invention relates to the technical field of flow detecting equipment, in particular to a rotary multipath reverser, which is characterized by being provided with a water segregator; the upper part of the water segregator is provided with a rotary distributor of which the outer wall is provided with a rotary positioning device; the rotary distributor is connected with the water segregator by the rotary positioning device; a transmission device is arranged at the outer part of the rotary distributor. The rotary multipath reverser adopting the structure has the advantages of novel structure, simple operation, convenience in mounting, fast water dividing, no energy loss, high sealing performance and the like.

Description

technical field [0001] The invention relates to the technical field of flow detection equipment, in particular to a multi-way commutator for flow measurement. Background technique [0002] At present, in mass method and volumetric method liquid flow standard devices, the commutator used is an important component, and its main function is to make the flow direction of the liquid medium in the weighing system and bypass part change as required. Commonly used commutators are two-way commutation (such as Figure 5 As shown), it is provided with a reversing body 31, and one end of the reversing body 31 is provided with a first water outlet 32 ​​and a second water outlet 33 side by side, and the other end is provided with a water inlet 34, and the reversing body 31 is provided with a guide box 35, one side of the guide box 35 is connected with the push-pull rod 36, the water inlet hole at the upper end of the guide box 35 corresponds to the water inlet 34, and the water outlet hol...

AI Technical Summary

Problems solved by technology

Commonly used commutators are two-way commutation (such as Figure 5 As shown), it is provided with a reversing body 31, and one end of the reversing body 31 is provided with a first water outlet 32 ​​and a second water outlet 33 side by side, and the other end is provided with a water inlet 34, and the reversing body 31 is provided with a guide box 35, one side of the guide box 35 is connected with the push-pull rod 36, the water inlet hole at the upper end of the guide box 35 corresponds to the water inlet 34, and the water outlet hole at the lower end corresponds to the first water outlet 32 ​​or the second water outlet 33, when the water inlet When the water outlet 34 needs to pass water to the first water outlet 32, the guide box 35 pushes it to the first water outlet 32 ​​by the push-pull rod 36, so that the water outlet hole at the lower end of the guide box 35 is opposite to the first water outlet 32, and the water flow passes through the first water outlet. The water outlet 32 ​​flows out, and when the water inlet 34 needs to pass water to the second water outlet 33, the guide box 35 pulls it back to the second water outlet 33 by the push-pull rod 36, so that the water outlet hole at the guide box 35 lower end is connected with the second water outlet. 33 On the other hand, the water flows out through the second water outlet. The disadvantage is that there are only two water diversion channels when water is divided. The box is aligned with one of the water outlets, the moving distance is long, the moving time is long, the water separation speed is slow, the water separation resistance is large during water separation, and the water separation accuracy is low

The shortcomings of traditional pneumatic and electric commutators are: only two flow directions can be switched, and the conversion time is long, and it is prone to jamming or excessive resistance during use, which affects the performance and life of the commutator. It will damage the commutator, and the piston rod is prone to deformation, which will affect the accuracy of the device

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