CN201629264U - Side-mounted hanging magnetic-induction liquid level switch - Google Patents
Side-mounted hanging magnetic-induction liquid level switch Download PDFInfo
- Publication number
- CN201629264U CN201629264U CN2009202748685U CN200920274868U CN201629264U CN 201629264 U CN201629264 U CN 201629264U CN 2009202748685 U CN2009202748685 U CN 2009202748685U CN 200920274868 U CN200920274868 U CN 200920274868U CN 201629264 U CN201629264 U CN 201629264U
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- stainless steel
- level switch
- liquid level
- hole
- float
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Abstract
The utility model relates to a side-mounted hanging magnetic-induction liquid level switch. The liquid level switch is arranged at the through hole position on the side surface of a tank body; the liquid level switch comprises a transition piece, a thread connecting head, a stainless steel pipe, a reed pipe, an output lead wire, a horizontal shaft, a stainless steel rod, a floater and a heavy block. In the utility model, the liquid level switch solves the technical problems that the existing liquid level switch has large volume, complex structure and difficult connection, is easy to generate leakage and has poor detection reliability, and has the advantages of simple installation, convenient wiring process, high switch reliability, long service life, high sensitiveness and low energy consumption.
Description
Technical field
The utility model relates to a kind of magnetic inducted level switch, relates in particular to a kind of magnetic inducted level switch that can be applicable to the level gauging of various corrosive liquids and flammable liquid.
Background technology
The structure of liquid-level switch commonly used is that a float is installed in the bottom of a steel wire at present, the middle and upper part is connected with a ring flange, a metal clips is installed on top, steel wire serves as that axle swings up and down with itself and ring flange junction, the steel wire float moves up and down, and the shell fragment on top also moves thereupon, at suitable position the hard contact that can contact with shell fragment is installed, ring flange links to each other with the casing of fluid to be measured, plays the measurement purpose.The liquid-level switch volume of this structure is big, structure is comparatively complicated, the ring flange connection is relatively more difficult, be easy to generate leakage, detecting reliability is poor.
The utility model content
The utility model purpose provides a kind of side-mounted suspended magnetic induction liquid level switch, and it has solved, and existing liquid-level switch volume is big, complex structure, connection difficulty, be easy to generate the technical problem of leakage, detecting reliability difference.
Technical solution of the present utility model:
A kind of side-mounted suspended magnetic induction liquid level switch, described liquid-level switch is arranged on the through hole of casing side, and its special character is: described liquid-level switch comprises transition piece, threaded connector, stainless steel tube, tongue tube, output lead, trunnion axis, stainless steel, float and pouring weight;
Described transition piece is the cylindrical structure of band internal thread hole, and it is welded on the through hole outside of casing side;
Described threaded connector is the external screw thread cylindrical structure of band central through hole, and it is threaded with transition piece;
Described stainless steel tube is connected with the inner termination of threaded connector is coaxial;
Described tongue tube is arranged on the inner of stainless steel tube;
One termination tongue tube of described output lead, its other end link to each other with external equipment after passing the central through hole of stainless steel tube, threaded connector;
Described trunnion axis is connected with the inner termination of stainless steel tube is coaxial;
One end of described stainless steel and trunnion axis flexibly connect;
Described float is the cylindrical structure of band central through hole, and it is provided with permanent magnet; The diameter of described float is less than the internal thread hole diameter of described transition piece; Described stainless steel passes the central through hole of float;
Described pouring weight is fixed on the other end of stainless steel.
Above-mentioned trunnion axis and stainless steel are hinged.
Be with suspension ring 17 on the above-mentioned trunnion axis, the lower end and the stainless steel of described suspension ring are hinged.
Be provided with the anti-corrosive rubber packing ring between above-mentioned threaded connector and transition piece.
The proportion of above-mentioned float is less than 0.7g/cm
3
Above-mentioned permanent magnet is the annular permanent magnnet that is embedded in buoy upper.
The advantage that the utlity model has is:
1, the utility model liquid-level switch is installed simple, easy-to-connect.The utility model only need be opened a circular hole in the side of tested casing, transition piece is welded on the circular hole, again the internal thread hole level from transition piece such as pouring weight, float, stainless steel, trunnion axis, stainless steel tube is stretched in the casing, pouring weight, float and stainless steel promptly are hung in below the trunnion axis in that action of gravity is sagging, again threaded connector is screwed on the transition piece, again output lead is received external equipment, then liquid-level switch is in place.In addition, the position of rotation of the utility model liquid-level switch double thread connector in transition piece do not require, and can be in place as long as just tighten.
2, the utility model liquid-level switch reliability height, life-span are long.The parts that the utility model side-mounted suspended magnetic induction liquid level switch contacts with fluid to be measured are stainless steel material, and tongue tube and lead-in wire be placed in the stainless steel tube, directly contact with not having between the fluid to be measured.So the utility model liquid-level switch barrier propterty is good, pollution-free to fluid to be measured, reliability is high, long service life.
3, the utility model liquid-level switch is highly sensitive, energy consumption is low.The utility model adopts long closed form tongue tube as switching device, adopts magnetic induction control, do not have between parts and wear and tear, so the utility model liquid-level switch simple in structure, volume is little, energy consumption is low, can sensitive reliable Detection liquid level.
4, the utility model liquid-level switch is installed on the fuel tank sidewall, has avoided roof-mounted liquid-level switch to stretch out the generation that the plane trips incident easily on the fuel tank, has improved the safety of production scene.
5, can be installed in can be at fuel tank or the proportion side greater than other liquid storage tanks of 0.8, applied range for the utility model liquid-level switch.
Description of drawings
Fig. 1 is the structural representation of first kind of side-mounted suspended magnetic induction liquid level switch of the utility model;
Fig. 2 is the scheme of installation of first kind of side-mounted suspended magnetic induction liquid level switch of the utility model;
Fig. 3 is the work schematic diagram of first kind of side-mounted suspended magnetic induction liquid level switch of the utility model;
Fig. 4 is the structural representation of second kind of side-mounted suspended magnetic induction liquid level switch of the utility model;
Fig. 5 is the scheme of installation of second kind of side-mounted suspended magnetic induction liquid level switch of the utility model;
Fig. 6 is the work schematic diagram of second kind of side-mounted suspended magnetic induction liquid level switch of the utility model;
Wherein: 1-lead-out wire, 2-transition piece, 3-centre bore, 4-rubber washer, 5-threaded connector, 6-float, 7-liquid, 8-pouring weight, 9-casing, 10-tongue tube, 11-magnet steel, 12-horizon bar, 13-rotating shaft, 14-stainless steel, 15-through hole, 16-stainless steel tube.
Embodiment
First kind of structure of the utility model side-mounted suspended magnetic induction liquid level switch comprises transition piece, threaded connector, non-magnetic stainless steel tube, tongue tube, output lead, trunnion axis, non-magnetic rustproof steel pole, float and pouring weight referring to Fig. 1, Fig. 2 and Fig. 3; Transition piece is the cylindrical structure of band internal thread hole, and it is welded on the through hole outside of casing side; Threaded connector is the external screw thread cylindrical structure of band central through hole, and it is threaded with transition piece; The inner termination center coaxial welding of stainless steel tube and threaded connector; Tongue tube is arranged on the inner of stainless steel tube, is used to export make-and-break signal, is connected to the output lead-out wire on it; The other end of output lead links to each other with external equipment after passing the central through hole of stainless steel tube, threaded connector; Output lead and tongue tube install the back and adopt epoxy resin to fill curing in the stainless steel tube; For energy-conservation, tongue tube is preferably selected long closed form tongue tube; Trunnion axis is connected with the inner termination of stainless steel tube is coaxial; One end and the trunnion axis of stainless steel are hinged; Float is the cylindrical structure of band central through hole, and buoy upper is inlaid with annular permanent magnnet; The diameter of float is less than the internal thread hole diameter of transition piece; Stainless steel passes the central through hole of float, and then float can only move up and down along stainless steel; Pouring weight is fixed on the other end of stainless steel.For avoiding fluid seepage, screw thread is selected gas thread for use, and the anti-corrosive rubber circle is set between threaded connector and transition piece; The whole proportion of float should can adopt hollow float less than the proportion of liquid, and proportion is preferably less than 0.7g/cm
3
Second kind of structure of the utility model side-mounted suspended magnetic induction liquid level switch be referring to Fig. 4, Fig. 5 and Fig. 6, and the difference of itself and first kind of structure is: be with suspension ring on the trunnion axis, the lower end and the stainless steel of suspension ring are hinged.
The course of work of the present utility model: open a circular hole in the side of tested casing, transition piece is welded on the circular hole, again the internal thread hole level from transition piece such as pouring weight, float, stainless steel, trunnion axis, stainless steel tube is stretched in the casing, pouring weight, float and stainless steel promptly are hung in below the trunnion axis in that action of gravity is sagging, again threaded connector is screwed on the transition piece, again output lead is received external equipment, then liquid-level switch is in place.During work, float moves up and down along stainless steel with liquid level, and when the liquid level in the casing was higher than alarm point, the float upper end was near stainless steel tube, and permanent magnet makes tongue tube discharge output alarm signal.
Claims (6)
1. side-mounted suspended magnetic induction liquid level switch, described liquid-level switch is arranged on the through hole of casing side, it is characterized in that: described liquid-level switch comprises transition piece, threaded connector, stainless steel tube, tongue tube, output lead, trunnion axis, stainless steel, float and pouring weight;
Described transition piece is the cylindrical structure of band internal thread hole, and it is welded on the through hole outside of casing side;
Described threaded connector is the external screw thread cylindrical structure of band central through hole, and it is threaded with transition piece;
Described stainless steel tube is connected with the inner termination of threaded connector is coaxial;
Described tongue tube is arranged on the inner of stainless steel tube;
One termination tongue tube of described output lead, its other end link to each other with external equipment after passing the central through hole of stainless steel tube, threaded connector;
Described trunnion axis is connected with the inner termination of stainless steel tube is coaxial;
One end of described stainless steel and trunnion axis flexibly connect;
Described float is the cylindrical structure of band central through hole, and it is provided with permanent magnet; The diameter of described float is less than the internal thread hole diameter of described transition piece; Described stainless steel passes the central through hole of float;
Described pouring weight is fixed on the other end of stainless steel.
2. side-mounted suspended magnetic induction liquid level switch according to claim 1 is characterized in that: described trunnion axis and stainless steel are hinged.
3. side-mounted suspended magnetic induction liquid level switch according to claim 1 is characterized in that: be with suspension ring (17) on the described trunnion axis, the lower end and the stainless steel of described suspension ring are hinged.
4. according to claim 1 or 2 or 3 described side-mounted suspended magnetic induction liquid level switch, it is characterized in that: be provided with the anti-corrosive rubber packing ring between described threaded connector and transition piece.
5. side-mounted suspended magnetic induction liquid level switch according to claim 4 is characterized in that; The proportion of described float is less than 0.7g/cm
3
6. side-mounted suspended magnetic induction liquid level switch according to claim 5 is characterized in that; Described permanent magnet is the annular permanent magnnet that is embedded in buoy upper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202748685U CN201629264U (en) | 2009-12-20 | 2009-12-20 | Side-mounted hanging magnetic-induction liquid level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202748685U CN201629264U (en) | 2009-12-20 | 2009-12-20 | Side-mounted hanging magnetic-induction liquid level switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201629264U true CN201629264U (en) | 2010-11-10 |
Family
ID=43060662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202748685U Expired - Fee Related CN201629264U (en) | 2009-12-20 | 2009-12-20 | Side-mounted hanging magnetic-induction liquid level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201629264U (en) |
-
2009
- 2009-12-20 CN CN2009202748685U patent/CN201629264U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20121220 |