CN201229901Y - Side-installed type magnetic inducted level switch - Google Patents
Side-installed type magnetic inducted level switch Download PDFInfo
- Publication number
- CN201229901Y CN201229901Y CNU2008200292989U CN200820029298U CN201229901Y CN 201229901 Y CN201229901 Y CN 201229901Y CN U2008200292989 U CNU2008200292989 U CN U2008200292989U CN 200820029298 U CN200820029298 U CN 200820029298U CN 201229901 Y CN201229901 Y CN 201229901Y
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- magnetic
- stainless steel
- float
- level switch
- liquid
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Abstract
The utility model relates to a side-mounted magnetic induction liquid level switch, comprising an output lead, a thread connection head, a transition piece, a non-magnetic stainless steel tube, a reed switch, a hollow magnetic float and a baffle plate. The transition piece is arranged at the side of a box body; the tread connection head is arranged on the transition piece; one end of the non-magnetic stainless steel tube is connected with the tread connection head and the other end thereof is provided with the baffle plate; the reed switch is arranged in the non-magnetic stainless steel tube; and the hollow magnetic float is sleeved at the outside of the non-magnetic stainless steel tube and the specific gravity of the hollow magnetic float is less than that of the liquid. The utility model solves the technical problems of large size of the liquid level switch, complex structure, difficult connection, easy leakage and poor detecting reliability, has the advantages of simple structure, small volume, low energy consumption, safety and sensitive and reliable detection and can be widely applied to the liquid level measurement of various corrosive liquid and flammable liquid.
Description
Technical field
The utility model relates to a kind of magnetic inducted level switch, can be widely used in the level gauging of various corrosive liquids such as oils and flammable liquid.
Background technology
The structure of liquid-level switch commonly used is that a steel wire middle and upper part is connected with a ring flange at present, steel wire serves as that axle swings up and down with itself and ring flange tie point, a float is installed in the steel wire bottom, a metal clips is installed on top, and float moves up and down, and the top shell fragment also moves thereupon, at suitable position a hard contact is installed, can contact with shell fragment, ring flange links to each other with the casing of fluid to be measured, rises and measures purpose.The volume of the liquid-level switch of this structure is big, structure is comparatively complicated, ring flange connects relatively more difficult and be easy to generate leakage, and detecting reliability is poor.
The utility model content
The purpose of this utility model provides a kind of side-installed type magnetic inducted 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-installed type magnetic inducted level switch comprises output lead, non-magnetic stainless steel tube, tongue tube, hollow magnetic float and catch, and its special character is that described liquid-level switch also comprises threaded connector and transition piece; The perforate of described transition piece and casing side is connected, and its center is provided with tapped through hole, and described threaded connector is fixed on the casing side after passing tapped through hole; Described non-magnetic stainless steel tube one end is connected with threaded connector, and described catch is installed in the other end of non-magnetic stainless steel tube; Described tongue tube is arranged in the non-magnetic stainless steel tube, and an end of described output lead is connected with tongue tube, and its other end links to each other with external device after passing the centre bore of non-magnetic stainless steel tube and threaded connector; Described hollow magnetic float is placed in outside the non-magnetic stainless steel tube, and it comprises float and is embedded in the interior magnet steel of float; The proportion of described hollow magnetic float is less than the proportion of liquid.
Above-mentioned liquid-level switch also comprises level instruction device; Described level instruction device comprises the liquid level chamber that is arranged on threaded connector inside, at least two liquid level interface channels that are arranged on the seal glass of the outdoor end of liquid level and are arranged on the indoor end of liquid level, and the other end of described liquid level interface channel is opened in the casing.
The endoporus of above-mentioned hollow magnetic float is a mounting hole; Described magnet steel is the semi-round ring shape magnet steel that is embedded in the mounting hole bottom.
Be provided with the anti-corrosive rubber circle between above-mentioned threaded connector and transition piece.
The excircle of above-mentioned float is circular.
Above-mentioned tongue tube is long closo tongue tube.
The proportion of above-mentioned hollow magnetic float is less than 0.7g/cm
3
The advantage that the utlity model has is:
1, the utility model side-installed type magnetic inducted level switch adopts long closo tongue tube as switching device, thus the utility model liquid-level switch simple in structure, volume is little, energy consumption is low, can sensitive reliable Detection liquid level.
2, the parts that contact with fluid to be measured of the utility model side-installed type magnetic inducted level switch are stainless steel part, and tongue tube and lead-in wire are placed in the stainless steel tube, directly contact with not having between the fluid to be measured.So the utility model liquid-level switch highly sensitive, barrier propterty good,, long service life pollution-free to fluid to be measured.
3, the utility model side-installed type magnetic inducted level switch only need be opened a circular hole in the side of tested casing, and transition piece is welded on the circular hole, threaded connector is screwed on the transition piece can be in place again, and simple, easy-to-connect are installed.
4, the utility model side-installed type magnetic inducted level switch employing magnetic induction control does not have wearing and tearing between parts, so the switch reliability improves, the life-span prolongation.
5, the utility model side-installed type magnetic inducted 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.
6, 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 side-installed type magnetic inducted level switch.
7, the position of rotation of the utility model side-installed type magnetic inducted level switch double thread connector in transition piece do not require, and can be in place as long as just tighten.
8, the utility model is provided with level instruction device on threaded connector, can intuitively observe the liquid level in the casing, and the emergency service that more can be used as under the power down mode uses, and is safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model dress formula magnetic inducted level switch;
Fig. 2 is an A-A cutaway view among Fig. 1;
Fig. 3 is the dress formula magnetic inducted level switch structural representation of the utility model band level instruction device;
Fig. 4 is an A-A cutaway view among Fig. 3;
Wherein: 1-output lead, 2-rubber ring, 3-centre bore, 4-threaded connector, 5-non-magnetic stainless steel tube, 6-float, 7-liquid, 8-catch, 9-casing, 10-tongue tube, 11-magnet steel, 12-liquid level chamber, 13 liquid level interface channels, 14-seal glass, 15-transition piece.
Embodiment
The utility model side-installed type magnetic inducted level switch comprises output lead, threaded connector, transition piece, non-magnetic stainless steel tube, tongue tube, hollow magnetic float, catch and level instruction device referring to Fig. 1 to Fig. 4; Earlier open a circular hole on casing, the circular hole with transition piece and casing side welds together then, requires the tapped through hole at transition piece center littler than the circular hole of casing, and is bigger than the external diameter of hollow magnetic float; Then threaded connector is screwed into the tapped through hole of transition piece, then liquid-level switch can be fixed on the casing side; 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 inner face center welding non-magnetic stainless steel tube of threaded connector, overlapping the hollow magnetic float on the non-magnetic stainless steel tube, the hollow magnetic float comprises float and is embedded in the interior magnet steel of float, the endoporus of hollow magnetic float is a mounting hole, magnet steel is the semi-round ring shape magnet steel that is embedded in the mounting hole bottom, and the excircle of hollow magnetic float is circular or the waist shape consistent with interior hole shape; The whole proportion of float should be less than the proportion of liquid, preferably less than 0.7g/cm
3Because of an end of float has the semi-round ring shape magnet steel, then in liquid an end of the semicircle magnet steel of float band because of proportion greater than the other end, make all the time down with an end of semicircle magnet steel; Catch is fixedly connected on the other end of non-magnetic stainless steel tube, and catch makes float to radially move along non-magnetic stainless steel tube, prevents float slippage from the non-magnetic stainless steel tube; Tongue tube is fixedly installed on and is used to export make-and-break signal in the non-magnetic stainless steel tube, be connected to the output output lead on it, its output lead links to each other with external device after passing the centre bore of non-magnetic stainless steel tube and threaded connector, and output lead and tongue tube are installed the back and adopted epoxy resin to fill curing in the non-magnetic stainless steel tube; For energy-conservation, tongue tube is preferably selected long closo tongue tube; Level instruction device comprises the liquid level chamber that is arranged on threaded connector inside, the seal glass that is arranged on the outdoor end of liquid level and the opening liquid level interface channel at four circumference uniform distributions of the indoor end of liquid level, and the other end of each liquid level interface channel all is opened in the casing.
The course of work of the present utility model: when the liquid in the casing exceeds non-magnetic stainless steel tube, the float lower end makes the tongue tube of non-magnetic stainless steel tube discharge (long closo tongue tube) near non-magnetic stainless steel tube because of the effect that semicircle magnet steel is arranged, when oil tank liquid is lower than non-magnetic stainless steel tube, the float lower end is away from non-magnetic stainless steel tube, make semicircle magnet steel away from tongue tube, make the tongue tube closure, output alarm signal.
Claims (7)
1, a kind of side-installed type magnetic inducted level switch comprises output lead (1), non-magnetic stainless steel tube (5), tongue tube (10), hollow magnetic float and catch (8), it is characterized in that: described liquid-level switch also comprises threaded connector (4) and transition piece (15); Described transition piece (15) is connected with the perforate of casing (9) side, and its center is provided with tapped through hole, and described threaded connector (4) is fixed on casing (9) side after passing tapped through hole; Described non-magnetic stainless steel tube (5) one ends are connected with threaded connector (4), and described catch (8) is installed in the other end of non-magnetic stainless steel tube (5); Described tongue tube (10) is arranged in the non-magnetic stainless steel tube (5), and an end of described output lead (1) is connected with tongue tube (10), and centre bore (3) back that its other end passes non-magnetic stainless steel tube (5) and threaded connector (4) links to each other with external device; Described hollow magnetic float is placed in outside the non-magnetic stainless steel tube (5), and it comprises float (6) and is embedded in the interior magnet steel (11) of float (6); The proportion of described hollow magnetic float is less than the proportion of liquid (7).
2, side-installed type magnetic inducted level switch according to claim 1 is characterized in that: described liquid-level switch also comprises level instruction device; Described level instruction device comprises at least two the liquid level interface channels (13) that are arranged on the inner liquid level chamber (12) of threaded connector (4), are arranged on the seal glass (14) of outer end, liquid level chamber (12) and are arranged on the inner, liquid level chamber (12), and the other end of described liquid level interface channel (13) is opened in the casing (9).
3, side-installed type magnetic inducted level switch according to claim 1 and 2 is characterized in that: the endoporus of described hollow magnetic float is a mounting hole; Described magnet steel (11) is for being embedded in the semi-round ring shape magnet steel of mounting hole bottom.
4, side-installed type magnetic inducted level switch according to claim 3 is characterized in that: be provided with anti-corrosive rubber circle (2) between described threaded connector (4) and transition piece (15).
5, side-installed type magnetic inducted level switch according to claim 4 is characterized in that: the excircle of described float (6) is for circular.
6, side-installed type magnetic inducted level switch according to claim 5 is characterized in that: described tongue tube (10) is long closo tongue tube.
7, side-installed type magnetic inducted level switch according to claim 1 is characterized in that: the proportion of described hollow magnetic float is less than 0.7g/cm
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200292989U CN201229901Y (en) | 2008-06-06 | 2008-06-06 | Side-installed type magnetic inducted level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200292989U CN201229901Y (en) | 2008-06-06 | 2008-06-06 | Side-installed type magnetic inducted level switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201229901Y true CN201229901Y (en) | 2009-04-29 |
Family
ID=40634843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200292989U Expired - Fee Related CN201229901Y (en) | 2008-06-06 | 2008-06-06 | Side-installed type magnetic inducted level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201229901Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495522A (en) * | 2013-09-23 | 2014-01-08 | 宁波工程学院 | Automatic painting device |
-
2008
- 2008-06-06 CN CNU2008200292989U patent/CN201229901Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103495522A (en) * | 2013-09-23 | 2014-01-08 | 宁波工程学院 | Automatic painting device |
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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: 20090429 |