Water meter capable of avoiding freezing cracking
A technology for water meter and water meter case, which is applied in measurement devices, instruments, liquid/fluid solid measurement, etc., can solve the problems of increased water meter structure complexity, high manufacturing and use costs, and increased water meter failures, so as to prevent water pipes from being damaged. Uneven force, low cost of manufacture and use, effect of preventing freeze fracture
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[0025] The preferred embodiments of the present invention will be described in detail below.
[0026] The embodiment of the water meter that avoids freezing and cracking of the present invention, its schematic diagram is as figure 1 As shown, it is characterized by:
[0027] The water meter case contains an inwardly curved portion that extends outward when squeezed by ice.
[0028] In a preferred embodiment, the position of the inwardly curved part in the water meter is one or more of the central area of the bottom of the case and / or the bottom edge of the case and / or the area between the bottom edge of the case and the center of the bottom of the case. Location.
[0029] In a preferred embodiment, the position of the inwardly curved part in the water meter is symmetrical.
[0030] In a preferred embodiment, the curved shape of the inwardly curved portion is any one or more of a concave arc, a concave square, a concave fold, and a concave irregular shape. Such as figur...
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