Double-clamping-groove magnetic core embedded cross blade flow meter

Abstract

In order to solve the technical problems that an impeller structure of an existing flowmeter is large in size, and miniaturization of the flowmeter is difficult to achieve, the functions of a magnetic core and a blade are combined and overlapped, so that the magnetic core part is dual-purpose, has the effect of multiple functions, not only plays a role of the magnetic core, but also plays a role of the blade. Therefore, the outer diameter of the impeller can be reduced, so that the volume of the flow meter is reduced, and miniaturization is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment equipment, beverage machine technology field, especially relates to domestic purifier field. BACKGROUND

[0002] The working principle of the flow meter is as follows: Figure 1 、 Figure 2 Water flows into the flow meter from the inlet rod 1 and arrow 7, drives the cross-blade 9 impeller to rotate when reaching arrow 11, and then flows out from arrow 10 through the outlet rod 4. The cross-blade 9 impeller rotation drives the magnetic core 8 to rotate, and when the magnetic core 8 approaches the electromagnetic inductor 3 on the flow meter, the electromagnetic inductor 3 generates a pulse signal, thereby realizing flow measurement.

[0003] The existing flow meter is shown in Figure 6 、 Figure 7 The existing magnetic core 19 is embedded in the impeller 18, and the function of the existing magnetic core 19 is only electromagnetic induction. For a micro flow meter, the impeller structure will result in an excessively large impeller diameter due to the single function of the magnetic core, which makes it difficult to miniaturize the flow meter. SUMMARY

[0004] The technical scheme of the utility model flow meter is mainly as follows: in order to solve the technical problem that the impeller structure of the existing flow meter is large in size and difficult to realize miniaturization of the flow meter, the functions of the magnetic core and the blade are compounded and superimposed, the magnetic core part is used for two purposes, has a multifunctional effect, plays the role of the magnetic core and the blade, which can reduce the outer diameter size of the impeller, thereby reducing the size of the flow meter and realizing miniaturization. The specific technical scheme is as follows: a double-slot embedded magnetic core cross-blade flow meter is composed of a shell, a support cover, an electromagnetic inductor, and an impeller. Water flows into the inlet of the flow meter, drives the impeller to rotate, and then flows out through the outlet. The impeller rotation drives the magnetic core on the impeller to rotate, and when the magnetic core approaches the electromagnetic inductor, the electromagnetic inductor generates a pulse signal. The feature is that the magnetic core is embedded in the impeller of the cross-blade, and the impeller of the cross-blade is integrated, which is a magnetic core structure and an impeller structure with blade function.

[0005] The impeller of the cross-blade is composed of a cross-blade, a magnetic core, and a cone head. The impeller of the cross-blade is provided with a clamping groove, and the magnetic core is embedded in the clamping groove, which is a magnetic core structure and an impeller structure with blade function.

[0006] The clamping groove is a double clamping groove, and the magnetic core is a double magnetic core.

[0007] The support cover is provided with a concave inner hexagonal groove and a sealing ring, a hexagonal wrench is used to connect the shell and the support cover by screw thread engagement, the impeller and the taper head of the cross blade are integrated, and the taper head is matched with the taper hole on the shell and the taper hole on the support cover.

[0008] The rear side of the shell is provided with a groove, the electromagnetic inductor is arranged in the groove, and the left and right sides of the shell are respectively provided with water inlet rods and water outlet rods.

[0009] The utility model discloses beneficial effect:

[0010] 1) the compact function composite structure of magnetic core and impeller, the volume reduces.

[0011] 2) the magnetic induction intensity is good, and the signal is stable.

[0012] 3) the rotation impact of water flow to the magnetic core and impeller is big, and the sensitivity is high.

[0013] It has the beneficial effect of realizing the miniaturization of the flowmeter. DRAWINGS

[0014] Figure 1 The utility model discloses flowmeter water flow direction structure schematic view;

[0015] Figure 2 The utility model discloses flowmeter Figure 1 The sectional view of;

[0016] Figure 3 The utility model discloses flowmeter water flow vertical sectional view;

[0017] Figure 4 The utility model discloses flowmeter impeller schematic view;

[0018] Figure 5 The utility model discloses flowmeter impeller explosion schematic view;

[0019] Figure 6 The existing flowmeter schematic view;

[0020] Figure 7 The existing flowmeter impeller schematic view

[0021] In the utility model, the description is attached Figure 1 to the attached Figure 7 Each reference number represents:

[0022] 1 water inlet rod, 2 shell, 3 electromagnetic inductor, 4 water outlet rod, 5 support cover, 6 inner hexagonal groove,

[0023] 7 water inlet arrow, 8 magnetic core, 9 cross blade, 10 water outlet arrow, 11 rotation arrow, 12 screw engagement, 13 sealing ring, 14 cone head, 15 cone hole on the shell, 16 cone hole on the support cover, 17 clamping groove, 18 blade, 19 existing magnetic core. DETAILED DESCRIPTION

[0024] The embodiment of the utility model is described in detail in the following Figures 1 to 5 :

[0025] A double clamping groove embedded magnetic core cross blade flowmeter is composed of a shell 2, a support cover 5, an electromagnetic inductor 3 and an impeller, water flows into the flowmeter from an inlet 1, drives the impeller to rotate and then flows out from a water outlet 4; the rotation of the impeller drives the magnetic core 8 on the impeller to rotate, when the magnetic core 8 approaches the electromagnetic inductor 3, the electromagnetic inductor 3 generates a pulse signal, characterized in that: the magnetic core 8 is embedded on the impeller of the cross blade 9 and is integrated with the impeller of the cross blade 9, which is both a magnetic core 8 structure and an impeller structure with blade function.

[0026] The impeller of the cross blade 9 is composed of the cross blade 9, the magnetic core 8 and the cone head 14, the impeller of the cross blade 9 is provided with a clamping groove 17, the magnetic core 8 is embedded in the clamping groove 17, which is both a magnetic core 8 structure and an impeller structure with blade function, the clamping groove 17 is a double clamping groove, and the magnetic core 8 is a double magnetic core.

[0027] The support cover 5 is provided with a lower concave internal hexagonal groove 6 and a sealing ring 13, a hexagonal wrench is used to connect the shell 2 and the support cover 5 through screw engagement, the impeller of the cross blade 9 is integrated with the cone head 14, the cone head 14 is matched with the cone hole 15 on the shell and matched with the cone hole 16 on the support cover.

[0028] The rear side of the shell is provided with a groove, the electromagnetic inductor 3 is arranged in the groove, and the left and right sides of the shell are respectively provided with a water inlet rod 1 and a water outlet rod 4.

[0029] Although the embodiments of the utility model have been shown and described, those skilled in the art should understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and their equivalent replacements, and improvements and the like without creative labor should be included in the protection scope of the utility model.

Claims

1. A double-slot embedded magnetic core cross-shaped vane flow meter, comprising a housing, a support cover, an electromagnetic sensor, and an impeller, wherein water flows in from the inlet of the flow meter, driving the impeller to rotate, and then flows out through the outlet; the rotation of the impeller drives the magnetic core on the impeller to rotate, and when the magnetic core approaches the electromagnetic sensor, the electromagnetic sensor generates a pulse signal, characterized in that: The magnetic core is embedded in the cross-blade impeller and is integrated with the cross-blade impeller, which is a magnetic core structure and also a blade function impeller structure.

2. The dual-cartridge insert-magnetic core cross vane flowmeter of claim 1, wherein: The cross-blade impeller is composed of a cross-blade, a magnetic core and a cone head, the cross-blade impeller is provided with a clamping groove, and the magnetic core is embedded in the clamping groove, which is a magnetic core structure and also a blade function impeller structure.

3. The dual-cartridge insert-magnet core cross vane flowmeter of claim 2, wherein: The clamping groove is a double clamping groove, and the magnetic core is a double magnetic core.

4. The dual-cartridge insert-magnet core cross vane flowmeter of claim 1, wherein: The supporting cover is provided with a lower concave internal hexagonal groove and a sealing ring, the shell and the supporting cover are connected by screw thread engagement, the cross-blade impeller and the cone head are integrated, and the cone head cooperates with the cone hole on the shell and the cone hole on the supporting cover.

5. The dual-cartridge embedded-magnetic-core cross-vane flowmeter according to any one of claims 1, 2, 3, 4, characterized in that: The rear side of the shell is provided with a groove, and the electromagnetic inductor is arranged in the groove, and the left and right sides of the shell are respectively provided with a water inlet rod and a water outlet rod.

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