CN201555611U

CN201555611U - Fluid flowmeter

Info

Publication number: CN201555611U
Application number: CN2009202633643U
Authority: CN
Inventors: 梁军武
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-25
Filing date: 2009-11-25
Publication date: 2010-08-18
Anticipated expiration: 2019-11-25

Abstract

The utility model discloses a fluid flowmeter which is a device used for preventing a heating body from drying caused by water shortage. A liquid inlet and a liquid outlet are formed on the flowmeter, a flowmeter casing is formed by an upper cover and a lower cover, a liquid guiding chamber is formed between the upper and the lower covers; and the flowmeter is characterized in that a movable impeller mounted in the liquid guiding chamber, and a magnet is fixed on the movable impeller; when the flowmeter operates, liquid flows into the liquid guiding chamber from the liquid inlet of the flowmeter to drive the movable impeller to be rotated, and the liquid is led out from the liquid outlet under the guiding action of the movable impeller. The rotation of the movable impeller can drive the magnet to rotate to enable a relevant controller to measure the passing liquid flow. The flowmeter has the advantages of simple and reasonable entire structure, simple and convenient installation, and high measurement precision of liquid flow.

Description

A kind of liquid flowmeter

Technical field

The utility model relates to the flowmeter technology field, especially a kind of liquid flowmeter.

Background technology

On the existing electricity drinking-water firing equipment, be used for protecting the device of heater, generally can use liquid flowmeter, yet traditional liquid flowmeter have the following disadvantages still because of the lack of water dry combustion method: (1) complex structure, and also mounting process is loaded down with trivial details; (2) influenced by the flowmeter traditional structure, its degree of accuracy has much room for improvement.

The utility model content

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and provides a kind of simple and reasonable for structure, install simple and easy, and the high liquid flowmeter of degree of accuracy.

The purpose of this utility model is achieved in that

A kind of liquid flowmeter has liquid inlet and liquid outlet on the flowmeter, it constitutes flowmeter shell by loam cake and lower cover thereof, form the guiding fluid chamber between the described upper and lower cover, it is characterized in that described guiding fluid is equipped with active impeller in the chamber, is fixed with magnetic patch on the active impeller; During work, liquid is entered in the directed cavity by the liquid inlet of flowmeter, the rotation of promotion active impeller, and under the guide effect of active impeller, derive from liquid outlet, because the active impeller rotation can drive the magnetic patch rotation, thereby the fluid flow that the correlation control unit metering is passed through, total is simple, rationally, install simple and easy, flowmeter degree of accuracy height.

The utility model can also adopt following technical measures to solve:

Described liquid inlet and liquid outlet are arranged on loam cake, and active impeller is installed between the upper and lower cover by impeller shaft and places in the guiding fluid chamber, so that active impeller can rotate freely.

Also be provided with O-ring seal between the described upper and lower cover.

Being provided with rotation fastening mechanism between the described upper and lower cover connects, fixes, to make things convenient for the mounting or dismounting between the upper and lower cover.

Described rotation fastening mechanism comprises the fixture block of loam cake periphery, and the draw-in groove of lower cover correspondence position, and loam cake is by rotation so that its fixture block is by rotation, but holding go in the corresponding lower cover periphery draw-in groove, realize that the holding between the upper and lower cover is fixed.

Institute's lower cover periphery extends a plurality of draw-in groove seats, is provided with corresponding draw-in groove on each draw-in groove seat.

The beneficial effects of the utility model are:

(1) liquid flowmeter of the present utility model, during work, liquid is entered in the directed cavity by the liquid inlet of flowmeter, promotes the active impeller rotation, and under the guide effect of active impeller, derive from liquid outlet, because active impeller rotation meeting drives the magnetic patch rotation, thus the fluid flow that the correlation control unit metering is passed through, and total is simple, reasonable, install simple and easy, flowmeter degree of accuracy height.

Description of drawings

Fig. 1 is the synoptic diagram of the utility model liquid flowmeter;

Fig. 2 is the explosive view of the utility model liquid flowmeter;

Fig. 3 is the other direction synoptic diagram of Fig. 2.

Embodiment

As shown in Figure 1 to Figure 3, a kind of liquid flowmeter, have liquid inlet 1 and liquid outlet 2 on the flowmeter, it constitutes flowmeter shell by loam cake 3 and lower cover 4 thereof, form guiding fluid chamber 5 between the described upper and

lower cover

3,4, it is characterized in that, in the described guiding fluid chamber 5 active impeller 6 is installed, be fixed with magnetic patch 7 on the active impeller 6.

Described liquid inlet 1 and liquid outlet 2 are arranged on loam cake 3, active impeller 6 is installed between the upper and

lower cover

3,4 by impeller shaft and places in the guiding fluid chamber 5, for improving the sealing between the upper and lower cover, can between upper and

lower cover

3,4, O-ring seal 8 be set, be provided with rotation fastening mechanism 9 between the described upper and

lower cover

3,4 and connect, fix.

Described rotation fastening mechanism 9 comprises the fixture block 91 of loam cake periphery, and the draw-in groove 92 of lower cover correspondence position, loam cake 3 is by rotation, so that its fixture block 91 holdings are gone in the corresponding lower cover periphery draw-in groove 92, wherein, extend a plurality of draw-in groove seats 10 at lower cover 4 peripheries, be provided with corresponding described draw-in groove 92 on each draw-in groove seat 10.

Principle of work: during work, liquid is entered in the directed cavity 5 by the liquid inlet 1 of flowmeter, promote active impeller 6 rotations, and under the guide effect of active impeller 6, derive from liquid outlet 2, because active impeller 6 rotations can drive magnetic patch 7 rotations, thereby the fluid flow that the correlation control unit metering is passed through, total is simple, rationally, install simple and easy, flowmeter degree of accuracy height.

Claims

1. liquid flowmeter, have liquid inlet (1) and liquid outlet (2) on the flowmeter, it constitutes flowmeter shell by loam cake (3) and lower cover (4) thereof, form guiding fluid chamber (5) between the described upper and lower cover (3,4), it is characterized in that, active impeller (6) is installed in the described guiding fluid chamber (5), is fixed with magnetic patch (7) on the active impeller (6).

2. according to the described liquid flowmeter of claim 1, it is characterized in that described liquid inlet (1) and liquid outlet (2) are arranged on loam cake (3), active impeller (6) is installed between the upper and lower cover (3,4) by impeller shaft and places in the guiding fluid chamber (5).

3. according to the described liquid flowmeter of claim 1, it is characterized in that described upper and lower cover also is provided with O-ring seal (8) between (3,4).

4. according to the described liquid flowmeter of claim 1, it is characterized in that, be provided with rotation fastening mechanism (9) between the described upper and lower cover (3,4) and connect, fix.

5. according to the described liquid flowmeter of claim 4, it is characterized in that described rotation fastening mechanism (9) comprises the fixture block (91) of loam cake periphery, and the draw-in groove of lower cover correspondence position (92), loam cake (3) is by rotation, so that its fixture block (91) holding is gone in the corresponding lower cover periphery draw-in groove (92).

6. according to the described liquid flowmeter of claim 5, it is characterized in that institute's lower cover (4) periphery extends a plurality of draw-in groove seats (10), be provided with corresponding draw-in groove (92) on each draw-in groove seat (10).