CN209280053U - A kind of Hall flow meter reducing magnet ring adsorbing contaminant - Google Patents
A kind of Hall flow meter reducing magnet ring adsorbing contaminant Download PDFInfo
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- CN209280053U CN209280053U CN201822145678.5U CN201822145678U CN209280053U CN 209280053 U CN209280053 U CN 209280053U CN 201822145678 U CN201822145678 U CN 201822145678U CN 209280053 U CN209280053 U CN 209280053U
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- magnet
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- lower cover
- flow meter
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Abstract
The utility model discloses the Hall flow meters that one kind can reduce magnet ring adsorbing contaminant, including lower cover, the one end in the outside of the lower cover offers water inlet, the one end in the outside of the lower cover offers water outlet, the top of the rotation axis is rotatably connected to impeller, magnet is provided on the inside of the impeller, and the top insertion of impeller is provided with sealing cover.The utility model is mounted on the inside of impeller by the way that magnet is embedded in, fluid is avoided directly to contact with magnet, to efficiently avoid the metal impurities in magnet fluid-absorbent, magnet is caused to lose magnetism, by the way that magnet is mounted in magnet locating slot, the top of magnet locating slot is embedded in by the convex column of sealing cover again, make magnet and fluid isolation, simultaneously, arc convex block is just embedded in arc groove, and impeller is made to be fixed together with sealing cover, consequently facilitating the quick assembling of factory lines produces, production efficiency is improved, production cost is reduced.
Description
Technical field
The utility model relates to field of flow meters, specifically a kind of Hall flow meter for reducing magnet ring adsorbing contaminant.
Background technique
Hall flow meter, is a kind of Hall flow meter based on displacement sensing, is rotated under fluid forces by impeller, band
Dynamic screw rod rotation makes Hall chip generate pulse signal and is then converted to flow parameter, to measure the flow of fluid, has
There is the features such as accuracy height, high reliablity, structure are simple, intelligent.
Traditional Hall flow meter is directly the exposed lower section for being fixed on impeller of magnet, when fluid enters Hall flow meter
Behind inside, directly and magnet contact, the metal impurities in fluid-absorbent are easy so as to cause magnet, magnet will lose over time
Magnetism is gone, causes to fail.Therefore, those skilled in the art provide a kind of Hall flow meter that can reduce magnet ring adsorbing contaminant,
To solve the problems mentioned in the above background technology.
Summary of the invention
It is above-mentioned to solve the purpose of this utility model is to provide the Hall flow meter that one kind can reduce magnet ring adsorbing contaminant
The magnet proposed in background technique is easy the metal impurities in fluid-absorbent, and magnet will lose magnetism over time, cause to lose
The problem of effect.
To achieve the above object, the utility model provides the following technical solutions:
A kind of Hall flow meter reducing magnet ring adsorbing contaminant, including lower cover, the bottom end of the inside of the lower cover
It is fixedly connected with rotation axis, and the upper end insertion of the inside of lower cover is provided with sealing ring, the one end in the outside of the lower cover
Water inlet is offered, and the top of lower cover is fixedly connected with upper shell cover, the top camber insertion of the lower cover is provided with
Four screws, and the one end in the outside of lower cover offers water outlet, the top of the rotation axis is rotatably connected to impeller, described
Magnet is provided on the inside of impeller, and the top insertion of impeller is provided with sealing cover.
As a further solution of the present invention: the upper shell cover is fixedly connected with lower cover by screw.
The inside of the junction of the lower cover and upper shell cover offers as a further solution of the present invention,
Semi-circular recesses, the sealing ring are embedded in the semi-circular recesses of lower cover and upper shell cover simultaneously.
The sealing cover includes cover board as a further solution of the present invention, and one of the top of the cover board
There are two convex columns for setting on diagonal line, and there are two arc convex blocks for setting on another diagonal line on the top of cover board.
The impeller includes impeller body as a further solution of the present invention, the top of the impeller body
Three groups of arc grooves are uniformly provided with, and are provided with magnet locating slot on the inside of one group of arc groove.
The magnet is embedded in the inside of magnet locating slot, the protrusion as a further solution of the present invention,
Column is embedded in the top of magnet locating slot, and convex column is located at the upper end of magnet, and the arc convex block is embedded in far from magnet
In one group of arc groove of locating slot.
Compared with prior art, the utility model has the beneficial effects that
1, it by magnet insertion being mounted on the inside of impeller, avoids fluid and is directly contacted with magnet, thus effectively
The metal impurities in magnet fluid-absorbent are avoided, magnet is caused to lose magnetism, so as to cause flowmeter failure, are unable to measure stream
The flow of body improves the service life of Hall flow meter.
2, by the way that magnet is mounted in magnet locating slot, then magnet locating slot is embedded in by the convex column of sealing cover
Top makes magnet and fluid isolation, meanwhile, arc convex block is just embedded in arc groove, and impeller and sealing cover is made to be fixed on one
It rises, consequently facilitating the quick assembling of factory lines produces, improves production efficiency, reduce production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the Hall flow meter that one kind can reduce magnet ring adsorbing contaminant；
Fig. 2 is the explosive view that one kind can reduce impeller and sealing cover in the Hall flow meter of magnet ring adsorbing contaminant；
Fig. 3 is the bottom view that one kind can reduce sealing cover in the Hall flow meter of magnet ring adsorbing contaminant；
Fig. 4 is the structural schematic diagram that one kind can reduce impeller in the Hall flow meter of magnet ring adsorbing contaminant.
In figure: 1, screw；2, upper shell cover；3, water outlet；4, impeller；41, impeller body；42, magnet locating slot；43, arc
Connected in star；5, rotation axis；6, sealing ring；7, lower cover；8, water inlet；9, magnet；10, sealing cover；101, cover board；102, raised
Column；103, arc convex block.
Specific embodiment
Please refer to Fig. 1~4, in the utility model embodiment, a kind of Hall flow meter reducing magnet ring adsorbing contaminant, packet
Lower cover 7 is included, the bottom end of the inside of lower cover 7 is fixedly connected with rotation axis 5, and the upper end insertion of the inside of lower cover 7 is provided with
Sealing ring 6, the one end in the outside of lower cover 7 offer water inlet 8, and the top of lower cover 7 is fixedly connected with upper shell cover 2, lower casing
The top camber insertion setting of lid 7 is there are four screw 1, and the one end in the outside of lower cover 7 offers water outlet 3, rotation axis 5
Top is rotatably connected to impeller 4, and the inside of impeller 4 is provided with magnet 9, and the top insertion of impeller 4 is provided with sealing cover 10.
Upper shell cover 2 and lower cover 7 in order to facilitate the installation of, upper shell cover 2 are fixedly connected with lower cover 7 by screw 1.
In order to improve the sealing effect between upper shell cover 2 and lower cover 7, the inside of lower cover 7 and the junction of upper shell cover 2
Semi-circular recesses are offered, sealing ring 6 is embedded in simultaneously in the semi-circular recesses of lower cover 7 and upper shell cover 2.
In order to facilitate assembling sealing cover 10 and impeller 4, sealing cover 10 includes cover board 101, and one of the top of cover board 101 is right
Setting is there are two convex column 102 on linea angulata, and there are two arc convex blocks for setting on another diagonal line on the top of cover board 101
103。
In order to make magnet 9 and fluid isolation, impeller 4 includes impeller body 41, and the top of impeller body 41 is uniformly provided with
Three groups of arc grooves 43, the inside of one group of arc groove 43 are provided with magnet locating slot 42.
Magnet 9 is installed in order to facilitate assembly line, magnet 9 is embedded in the inside of magnet locating slot 42, and convex column 102 is embedded in
The top of magnet locating slot 42, convex column 102 are located at the upper end of magnet 9, and arc convex block 103 is embedded in far from magnet locating slot
In 42 one group of arc groove 43.
Working principle of the utility model is: then, covering close firstly, magnet 9 is mounted on the inside of magnet locating slot 42
Capping 10, wherein convex column 102 is embedded in the top of magnet locating slot 42, and arc convex block 103 is embedded in arc groove 43
Inside thus can be so that magnet 9 and external circulation completely cut off, while being suitble to the assembly line assembling of factory, when fluid is from water inlet
After mouth 8 enters, impeller 4 is pushed to rotate, magnet is simultaneously as impeller rotates, therefore the pole N replaces with the pole S close to Hall on magnet 9
Chip generates pulse signal and is then converted to flow parameter, can measure the flow of fluid, finally, fluid is from water outlet 3
Outflow.
It is above-described, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is simultaneously
It is not limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, according to this reality
It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model
Within the scope of.
Claims (6)
1. one kind can reduce the Hall flow meter of magnet ring adsorbing contaminant, including lower cover (7), which is characterized in that the lower cover
(7) bottom end of inside is fixedly connected with rotation axis (5), and the upper end insertion of the inside of lower cover (7) is provided with sealing ring
(6), the one end in the outside of the lower cover (7) offers water inlet (8), and the top of lower cover (7) is fixedly connected with upper casing
It covers (2), there are four the top camber insertion settings of the lower cover (7) screw (1), and the one end in the outside of lower cover (7)
It offers water outlet (3), the top of the rotation axis (5) is rotatably connected to impeller (4), is provided on the inside of the impeller (4)
Magnet (9), and the top insertion of impeller (4) is provided with sealing cover (10).
2. the Hall flow meter that one kind according to claim 1 can reduce magnet ring adsorbing contaminant, which is characterized in that on described
Cap (2) is fixedly connected with lower cover (7) by screw (1).
3. the Hall flow meter that one kind according to claim 1 can reduce magnet ring adsorbing contaminant, which is characterized in that under described
The inside of the junction of cap (7) and upper shell cover (2) offers semi-circular recesses, and the sealing ring (6) is embedded in down simultaneously
In cap (7) and the semi-circular recesses of upper shell cover (2).
4. the Hall flow meter that one kind according to claim 1 can reduce magnet ring adsorbing contaminant, which is characterized in that described close
Covering (10) includes cover board (101), on a diagonal line on the top of the cover board (101) there are two settings convex column (102),
And there are two arc convex block (103) for setting on another diagonal line on the top of cover board (101).
5. the Hall flow meter that one kind according to claim 1 can reduce magnet ring adsorbing contaminant, which is characterized in that the leaf
Taking turns (4) includes impeller body (41), and the top of the impeller body (41) is uniformly provided with three groups of arc grooves (43), and one group
Magnet locating slot (42) are provided on the inside of arc groove (43).
6. the Hall flow meter that one kind according to claim 4 can reduce magnet ring adsorbing contaminant, which is characterized in that the magnetic
Body (9) is embedded in the inside of magnet locating slot (42), and the convex column (102) is embedded in the top of magnet locating slot (42), and
Convex column (102) is located at the upper end of magnet (9), and the arc convex block (103) is embedded in one far from magnet locating slot (42)
In group arc groove (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822145678.5U CN209280053U (en) | 2018-12-20 | 2018-12-20 | A kind of Hall flow meter reducing magnet ring adsorbing contaminant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822145678.5U CN209280053U (en) | 2018-12-20 | 2018-12-20 | A kind of Hall flow meter reducing magnet ring adsorbing contaminant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209280053U true CN209280053U (en) | 2019-08-20 |
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ID=67612050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822145678.5U Active CN209280053U (en) | 2018-12-20 | 2018-12-20 | A kind of Hall flow meter reducing magnet ring adsorbing contaminant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209280053U (en) |
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2018
- 2018-12-20 CN CN201822145678.5U patent/CN209280053U/en active Active
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