Novel mechanical anti-blocking type flow meter
A mechanical, flowmeter technology that is applied in the direction of volume/mass flow generated by mechanical effects, and by detecting the dynamic effects of fluid flow. It can solve the problems of large flow power dissipation, easy blockage of flowmeters, and poor measurement accuracy. Achieve the effect of small flow power dissipation, low cost and long life
Inactive Publication Date: 2014-07-02
睿能太宇(沈阳)能源技术有限公司
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Problems solved by technology
[0010] The present invention aims at the above problems, overcomes the deficiencies in the prior art, and provides a mechanical anti-blocking flowmeter; the mechanical anti-blocking flowmeter is effective It greatly improves the shortcomings of the existing technology, such as the flow meter is easy to block, the life is low, the measurement accuracy is poor, the cost is high, and the water flow power dissipation is large
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[0035] Such as figure 1 , figure 2 , image 3 , Figure 6-1 , Figure 8 , Figure 9-1 , Figure 9-2 As shown, the present invention includes a housing 2, an upper block 12, a lower block 4, an impeller 5, a shaft sleeve 8, an upper cover 10, a gland 11, a pressure plate 15, a shaft 13, a first seal groove 9 and a second seal Slot 14. The upper block 12 and the lower block 4 are respectively embedded in the upper cover 10 and the housing 2, the shaft sleeve 8 is embedded in the impeller 5, and the gland 11 is connected with the external thread 17 of the housing 2 through the internal thread 25, because The thread of the gland 11 is tightened, the lower surface of the gland 11 squeezes the pressure plate 15, so that the pressure plate 15 squeezes the upper cover 10, and the positioning pin 21 of the upper cover 10 cooperates with the positioning hole 19 of the housing 2, so that the upper cover 10 and the shell The body 2 cooperates to form the impeller chamber ...
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A mechanical anti-blocking flowmeter belongs to the technical field of volume, flow, mass flow or liquid level measurement, and more specifically relates to an improvement in the structure of a mechanical anti-blocking flowmeter. The mechanical anti-clogging flowmeter of the present invention has the characteristics of not easy to be blocked, long service life, high measurement accuracy, low cost and small flow power dissipation. The invention comprises a housing with end retaining rings on both sides. The water inlet channel and the water outlet channel in the housing communicate with the impeller chamber in the housing respectively. Above the impeller chamber are an upper cover with a probe hole and a pressure plate in turn. The pressure plate above the pressure plate The cover is matched with the upper part of the casing through threads, and the upper surface of the impeller in the impeller cavity is symmetrically embedded with induction plates. An upper block is arranged on the upper cover, and a shaft embedded in the shaft sleeve of the impeller is vertically arranged between the upper block and the lower block; a shielding cover is arranged outside the probe hole of the upper cover.
Description
technical field [0001] The invention belongs to the technical field of measuring volume, flow, mass flow or liquid level, and more specifically relates to an improvement of the structure of a mechanical anti-blocking flowmeter. Background technique [0002] It is an environmental protection measure that benefits the country and the people to realize household metering and billing for heating. For the heat measurement of the user, it is necessary to measure the flow of hot water entering the user and the temperature of the water entering and exiting; for the heat measurement of the heating user, the instrument used is a heat meter. The current heat meters can be divided into mechanical heat meters and ultrasonic heat meters. Although the non-contact measurement adopted by ultrasonic heat meters has the advantage of high measurement accuracy, it is still difficult to popularize ultrasonic heat meters due to their high cost. [0003] Most of the heat meters used in the current...
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IPC IPC(8): G01F1/28
Inventor 方宇昌王军董威唐鲁马振华平立志
Owner 睿能太宇(沈阳)能源技术有限公司