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Double-venturi tube

A double venturi and inner tube technology, applied in measuring devices, instruments, volume measurement, etc., can solve the problems of accumulation of scale and affect the accuracy of measurement, and achieve the effect of reducing the accumulation of dirt

Active Publication Date: 2019-03-19
SIYUAN ELECTRIC APPLIANCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The original Venturi tube has certain deficiencies. Because the water flows through the inner wall, the water contains alkaline impurities. After a long time of use, scale will accumulate on the inner wall of the Venturi tube, which will affect the accuracy of measurement.

Method used

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Examples

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Embodiment

[0024] see Figure 1-6 , the present invention provides a technical solution: a double venturi tube, including a double venturi tube body assembly 10 and a cleaning assembly 20, the double venturi tube body assembly 10 includes a cylindrical section 11, a contraction section 12, a throat 13, Diffusion section 14, connector 15 and circular pipe 16, one side of cylindrical section 11 is fixed with constriction section 12, one side of constriction section 12 is fixed with throat 13, and the other side of throat 13 is fixed with diffusion section 14, One side of the diffusion section 14 is fixed with a connecting piece 15, and the circular tube 16 is located at the bottom of the cylindrical section 11 close to the connecting piece 15, and is welded and fixed with the cylindrical section 11. The cleaning assembly 20 includes a blocking block 21, a cover plate 22, Upright bar 23, cross bar 24, hairbrush 25, first connecting shaft 26, driving wheel 27, driven wheel 28 and second conn...

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PUM

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Abstract

The invention belongs to the technical field of double-venturi tubes, and particularly relates to a double-venturi tube. The double-venturi tube comprises a double-venturi tube body assembly and a cleaning assembly, the double-venturi tube body assembly comprises a cylinder section, a contraction section, a throat channel, a diffusion section, a connecting piece and a round tube, the contraction section is fixed to one side of the cylinder section, one side of the contraction section is fixedly provided with the throat channel, the other side of the throat channel is fixedly provided with thediffusion section, one side of the diffusion section is fixedly provided with the connecting piece, and the round tube is located on the portion, close to the connecting piece, at the bottom of the cylindrical section and fixedly welded to the cylindrical section. The round tube is communicated with the bottom of the cylinder section, a plugging block is detachably connected with the interior of the round tube, and a cover plate is detachably connected to the bottom of the round tube so that on the one hand, the cover plate can be rotated, then the plugging block is disassembled, then the cover plate and the plugging block are rotated again to be detached, and therefore dirt in the double-venturi tube can be observed conveniently according to dirt on the surface of the plugging block.

Description

technical field [0001] The invention belongs to the technical field of double venturi tubes, and in particular relates to a double venturi tube. Background technique [0002] The Venturi tube is a device for measuring the differential pressure of a fluid, invented by the Italian physicist G.B. Venturi, hence the name. A Venturi tube is a tube that first contracts and then gradually expands. Measure the pressure difference between the inlet section and the minimum section, and use Bernoulli's theorem to calculate the flow rate. [0003] The original Venturi tube has certain shortcomings. Because the water flows through the inner wall, the water contains alkaline impurities. After a long period of use, scale will accumulate on the inner wall of the Venturi tube, which will affect the accuracy of measurement. Contents of the invention [0004] In order to solve the problems raised in the above-mentioned background technology. The invention provides a double Venturi tube, w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/44G01F15/12
CPCG01F1/44G01F15/12
Inventor 徐宁向熹
Owner SIYUAN ELECTRIC APPLIANCES