Shell of water flowmeter and its manufacture method

Abstract

The present invention discloses a water meter case including a case body (1) and the flange positioned on the case body (1). The water meter case is characterized in that said case body (1) is a barrel-shaped body that is weld with steel board and weld lines (4) are formed on the surface of the case body. Said flange includes a meter head flange (3) that is fixed in the center of the surface of the weld case and a port flange (2) that is weld on the port of said case body (1); the present invention also discloses a manufacturing method of the water meter case. Comparing to the prior art, the production of the water meter case in the present invention has the merits of simple machining and low cost, and is especially suitable for the outsize water meter that has a diameter bigger than 400mm.

Description

technical field [0001] The invention relates to a water meter component, in particular to a water meter case. The invention also relates to a manufacturing method of the water meter case, which belongs to the technical field of flow counting equipment in the physics department. Background technique [0002] The water meter is a common flow counting device, which can be widely seen on the water pipeline. At present, the traditional domestic water meter case is generally processed into a rough case by gray cast iron, and then finished, and processed by a large cutting machine tool. For diameter 400mm When the above extra-large water watch case is used, the above traditional method is still followed, which has the following disadvantages: first, the process is cumbersome, the working environment is seriously polluted, and the labor intensity of the worker's processing is high; secondly, the one-time investment in equipment is huge, and the The economic benefit is not high; more...

AI Technical Summary

Problems solved by technology

[0002] The water meter is a common flow counting device, which can be widely seen on the water pipeline. At present, the traditional domestic water meter case is generally processed into a rough case by gray cast iron, and then finished, and processed by a large cutting machine tool. For diameter 400mm When the above extra-large water watch case is used, the above traditional method is still followed, which has the following disadvantages: first, the process is cumbersome, the working environment is seriously polluted, and the labor intensity of the worker's processing is high; secondly, the one-time investment in equipment is huge, and the The economic benefits are not high; moreover, the appearance of the traditional water meter case remains the same, which is relatively dull

The aforementioned invention has made great progress in the traditional water meter processing method, but the process is still relatively cumbersome, there are many parts, and the screw connection processing is difficult, resulting in high cost and low productivity. For extra large water meter cases, it is still not practical enough

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