CN218414400U - Liquid level switch - Google Patents
Liquid level switch Download PDFInfo
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- CN218414400U CN218414400U CN202222655758.1U CN202222655758U CN218414400U CN 218414400 U CN218414400 U CN 218414400U CN 202222655758 U CN202222655758 U CN 202222655758U CN 218414400 U CN218414400 U CN 218414400U
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- liquid level
- adjusting
- inductor
- level switch
- control box
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Abstract
The application discloses a liquid level switch, relate to controller technical field, a liquid level switch, including the liquid level switch body, the liquid level switch body includes adjusting part, adjusting part's mid-mounting has the subassembly that floats, the top of subassembly that floats is provided with high liquid level inductor, the subassembly bottom that floats still is provided with low liquid level inductor, this scheme is through second slider and spacing spout structure, can be with high liquid level inductor and low liquid level inductor spacing connection respectively at the adjustment tank both ends of adjusting the seat, when rotating adjusting handle and driving adjusting screw rod when the inside of adjustment tank is rotatory, because of be screw-thread fit between adjusting screw rod and the adjusting screw, can drive high liquid level inductor and low liquid level inductor and do the displacement regulation of relative direction or opposite direction in the inside of adjustment tank, make corresponding adjustment to the liquid level height of high liquid level inductor and low liquid level inductor according to the in service behavior, promote the practicality of liquid level switch body in water level monitoring with this.
Description
Technical Field
The utility model belongs to the technical field of the controller technique and specifically relates to a liquid level switch is related to.
Background
The liquid level switch is a switch for controlling liquid level and mainly comprises a contact switch and a non-contact switch in form. The common contact switch is the most widely applied float-type liquid level switch. The float-type liquid level switch operates by using magnetic force, has no mechanical connecting piece and is simple and reliable to operate. The common floating ball type liquid level switch comprises a guide pipe, a floating ball, a dry spring (or approach) switch, magnetic steel and other components, wherein the guide pipe and the floating ball are inserted into the container from an opening at the top of the container, an instrument is fixed on a flange, the dry spring switch is fixed at an alarm position in the guide pipe, the magnetic steel is arranged in the floating ball, and the floating ball rises or falls along with the liquid level.
For example, publication numbers are: CN 217006002U's a blast furnace slag ditch water tank on-line monitoring device, including water tank main part and monitoring subassembly, water tank main part, it includes box, inlet valve and landing leg, the inlet valve is installed to the top of box, the bottom of box still is provided with the landing leg, the water level monitoring subassembly in this patent adopts traditional floater formula liquid level switch, when the floater in this floater formula liquid level switch reachd the liquid level control point when reacing the control point in the water of measurement, because the device can not make corresponding adjustment to the measuring range of liquid level inductor according to the in service behavior, lead to the floater of the device to continue to rise even in liquid, still keep the closure state between the liquid level contact point, when the floater mechanism was less than the control point, disconnection can not trigger the warning between the liquid level contact point, and then has the problem of certain limitation.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that liquid level switch can make the adjustment according to service condition liquid level sensor's measuring range, the utility model provides a liquid level switch.
The utility model provides a liquid level switch adopts following technical scheme: a liquid level switch comprises a liquid level switch body, wherein the liquid level switch body comprises an adjusting assembly, a floating assembly is installed in the middle of the adjusting assembly, a high liquid level sensor is arranged at the top of the floating assembly, and a low liquid level sensor is further arranged at the bottom of the floating assembly;
the adjusting assembly comprises an adjusting seat, four corners of one side of the adjusting seat are respectively provided with a connecting plate, and the middle part of one side of the adjusting seat, which is far away from the connecting plate, is also provided with an adjusting groove;
the subassembly that floats includes the gasbag body, the box of aerifing is installed to the bottom of the gasbag body, one side of the box of aerifing is connected with the support arm, the one end that the box of aerifing was kept away from to the support arm still installs the gliding piece.
Based on the technical characteristics: according to the scheme, the inflating box is additionally arranged at the bottom of the air bag body, the size of the air bag body can be reasonably controlled according to the density of liquid, the floating force of the floating assembly in lifting and sliding on one side of the adjusting assembly can be met, the sliding block can be in limited connection in the adjusting groove of the adjusting seat by matching with the limiting sliding chute, the first sliding block and the supporting arm structure, the air bag body and the inflating box can be fixedly connected on one side of the sliding block, and the sliding block can also perform lifting and sliding movement on the adjusting screw rod by virtue of the buoyancy of the air bag body in water due to the sliding fit between the first through hole and the adjusting screw rod;
when the liquid level is too high, the sliding block can do ascending motion in the adjusting groove, when the sliding block ascends to a certain height, the sliding block can be in top pressure collision with a metal induction sheet arranged at the bottom of the high liquid level sensor, the metal induction sheet extrudes a spring part to be in contact with a metal lug, and the liquid level early warning lamp of the high liquid level sensor can be triggered to send out early warning of the too high liquid level due to the fact that the metal lug is electrically connected with the liquid level early warning lamp; when the liquid level is too low, the sliding block can do descending motion in the adjusting groove, when the sliding block descends to a certain height, the sliding block can be in top pressure collision with a metal induction sheet arranged at the top of the low liquid level sensor, the metal induction sheet extrudes a spring part to be in contact with a metal bump, and a liquid level early warning lamp of the low liquid level sensor can be triggered to send out early warning of too low liquid level;
this scheme is through second slider and spacing spout structure, can be with high liquid level inductor and low liquid level inductor spacing connection respectively at the adjustment tank both ends of adjusting the seat, when rotating adjusting handle and driving adjusting screw when the inside of adjustment tank is rotatory, because of be screw-thread fit between adjusting screw and the regulation screw, can drive high liquid level inductor and low liquid level inductor and do the displacement regulation of relative direction or opposite direction in the inside of adjustment tank, make the liquid level switch body can make corresponding adjustment to the liquid level height of high liquid level inductor and low liquid level inductor according to the in service behavior, promote the practicality of liquid level switch body in water level monitoring with this.
As a liquid level switch, wherein: the inner wall both sides of adjustment tank all are provided with spacing spout, the middle part of adjustment tank is connected with adjusting screw, adjusting screw's one end still installs adjusting hand wheel, adjusting hand wheel displacement adjusts the top of seat.
Based on the technical characteristics: through the spacing spout of seting up in adjustment tank inner wall both sides, can be with the subassembly that floats, high liquid level inductor and the spacing inside of connecting in the adjustment tank of low liquid level inductor.
As a liquid level switch, wherein: a first through hole penetrates through the middle of the sliding block, and the first through hole is in sliding fit with the adjusting screw rod.
Based on the technical characteristics: because the first through hole is in sliding fit with the adjusting screw rod, the sliding block can do lifting sliding movement on the adjusting screw rod by means of the buoyancy of the air bag body in water.
As a liquid level switch, wherein: first sliders are installed on two outer sides of the sliding block and are matched with the limiting sliding groove structures.
Based on the technical characteristics: because of first slider and spacing spout structure phase-match, can be with sliding the spacing connection of piece in the adjustment tank of adjusting the seat.
As a liquid level switch, wherein: the high liquid level inductor is the same with low liquid level inductor structure, high liquid level inductor and low liquid level inductor axial symmetry about the central line of adjusting the seat, low liquid level inductor includes the liquid level control box, the one end of liquid level control box is provided with the metal response piece.
Based on the technical characteristics: through the metal response piece of installing additional in liquid level control box one end, the subassembly that floats can touch the induction type according to the liquid level height and report to the police to high liquid level inductor or low liquid level inductor.
As a liquid level switch, wherein: spring parts are connected between the four corners of the metal induction sheet and the four corners of the liquid level control box, a second through hole is formed in the middle of the metal induction sheet in a penetrating mode, and the second through hole is identical to the first through hole in structure.
Based on the technical characteristics: through the spring part of all installing additional between metal response piece and liquid level control box four corners, can be with metal response piece elastic connection in the one end of liquid level control box.
As a liquid level switch, wherein: the liquid level control box is close to the one end of metal response piece and all is connected with metal lug all around, liquid level warning light is installed to one side of liquid level control box, the middle part of liquid level control box runs through and has seted up the regulation screw, be thread fit between regulation screw and the adjusting screw.
Based on the technical characteristics: because of adjusting for screw thread fit between screw and the adjusting screw, when rotating adjusting hand wheel and drive adjusting screw when the inside of adjustment tank is rotatory, can drive high liquid level inductor and low liquid level inductor and do the displacement regulation of relative direction or opposite direction in the inside of adjustment tank for the liquid level switch body can be according to the in service behavior and make corresponding adjustment to the liquid level height of high liquid level inductor and low liquid level inductor.
As a liquid level switch, wherein: the liquid level control box all installs the second slider near the both sides of liquid level warning light, second slider and spacing spout structural phase-match, two sets of one side of second slider all is connected with the pulley, be rolling contact between the inner wall of pulley and spacing spout.
Based on the technical characteristics: the second sliding block is matched with the limiting sliding groove structure, so that the high liquid level sensor and the low liquid level sensor can be respectively connected to two ends of the adjusting groove of the adjusting seat in a limiting manner;
because of the rolling contact between the inner wall of pulley and spacing spout, can effectual promotion high liquid level inductor and the slip nature of low liquid level inductor in the inside lift regulation of adjustment tank, the condition that the card pause appears when the inside lift regulation of adjustment tank in high liquid level inductor and low liquid level inductor can effectually be avoided.
To sum up, the utility model discloses a following at least one beneficial effect:
1. according to the scheme, the inflating box is additionally arranged at the bottom of the air bag body, the size of the air bag body can be reasonably controlled according to the density of liquid, the floating force of the floating assembly in lifting and sliding on one side of the adjusting assembly can be met, the sliding block can be in limited connection in the adjusting groove of the adjusting seat by matching with the limiting sliding groove, the first sliding block and the supporting arm structure, the air bag body and the inflating box can be fixedly connected on one side of the sliding block, and the sliding block can also perform lifting and sliding movement on the adjusting screw rod by virtue of the buoyancy of the air bag body in water due to the sliding fit between the first through hole and the adjusting screw rod;
2. when the liquid level is too high, the sliding block can do ascending motion in the adjusting groove, when the sliding block ascends to a certain height, the sliding block can be in jacking collision with a metal sensing piece arranged at the bottom of the high liquid level sensor, the metal sensing piece extrudes a spring piece to be in contact with a metal lug, and the metal lug and the liquid level early warning lamp of the high liquid level sensor can be triggered to send out early warning of the too high liquid level due to the fact that the metal lug is electrically connected with the liquid level early warning lamp; when the liquid level is too low, the sliding block can do descending motion in the adjusting groove, when the sliding block descends to a certain height, the sliding block can be in top pressure collision with a metal induction sheet arranged at the top of the low liquid level sensor, the metal induction sheet extrudes a spring part to be in contact with a metal bump, and a liquid level early warning lamp of the low liquid level sensor can be triggered to send out early warning of too low liquid level;
3. this scheme is through second slider and spacing spout structure, can be with high liquid level inductor and low liquid level inductor spacing connection respectively at the adjustment tank both ends of adjusting the seat, when rotating adjusting handle and driving adjusting screw when the inside of adjustment tank is rotatory, because of be screw-thread fit between adjusting screw and the regulation screw, can drive high liquid level inductor and low liquid level inductor and do the displacement regulation of relative direction or opposite direction in the inside of adjustment tank, make the liquid level switch body can make corresponding adjustment to the liquid level height of high liquid level inductor and low liquid level inductor according to the in service behavior, promote the practicality of liquid level switch body in water level monitoring with this.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the adjusting seat of the present invention;
fig. 3 is a schematic structural view of the floating assembly of the present invention;
fig. 4 is a schematic structural view of the liquid level control box of the present invention.
Description of reference numerals:
1. a liquid level switch body; 2. an adjustment assembly; 3. a floating assembly; 4. a high liquid level sensor; 5. a low level sensor; 6. an adjusting seat; 7. a connecting plate; 8. an adjustment groove; 9. a limiting chute; 10. adjusting the screw rod; 11. adjusting a hand wheel; 12. a balloon body; 13. an inflation box; 14. a support arm; 15. a sliding block; 16. a first through hole; 17. a first slider; 18. a liquid level control box; 19. a metal induction sheet; 20. a spring member; 21. a second through hole; 22. a metal bump; 23. a liquid level early warning lamp; 24. adjusting the screw hole; 25. a second slider; 26. a pulley.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-4.
Please refer to fig. 1-2, the utility model provides a pair of liquid level switch, including liquid level switch body 1, liquid level switch body 1 includes adjusting part 2, and adjusting part 2's mid-mounting has floating assembly 3, and floating assembly 3's top is provided with high liquid level inductor 4, and floating assembly 3 bottom still is provided with low liquid level inductor 5, and adjusting part 2 is including adjusting seat 6, and connecting plate 7 is all installed in one side four corners of adjusting seat 6, and adjusting seat 6 keeps away from one side middle part of connecting plate 7 and has still seted up adjustment tank 8.
The inner wall both sides of adjustment tank 8 all are provided with spacing spout 9, and the middle part of adjustment tank 8 is connected with adjusting screw 10, and adjusting hand wheel 11 is still installed to adjusting screw 10's one end, and adjusting hand wheel 11 displacement adjusts the top of seat 6, through the spacing spout 9 of seting up in adjustment tank 8 inner wall both sides, can be with the subassembly 3 that floats, high liquid level inductor 4 and the spacing inside of connecting at adjustment tank 8 of low liquid level inductor 5.
Referring to fig. 3, the floating assembly 3 includes an air bag body 12, an inflating box 13 is installed at the bottom of the air bag body 12, the size of the air bag body 12 can be reasonably controlled according to the density of liquid through the inflating box 13 additionally installed at the bottom of the air bag body 12, so as to meet the floating force of the floating assembly 3 in the lifting and sliding of one side of the adjusting assembly 2, one side of the inflating box 13 is connected with a supporting arm 14, a sliding block 15 is further installed at one end of the supporting arm 14 away from the inflating box 13, a first through hole 16 is formed in the middle of the sliding block 15 in a penetrating manner, the first through hole 16 is in sliding fit with the adjusting screw 10, the sliding block 15 can perform lifting and sliding movement on the adjusting screw 10 by virtue of the buoyancy of the air bag body 12 in water, first sliding blocks 17 are installed on two outer sides of the sliding block 15, the first sliding blocks 17 are structurally matched with the limiting sliding grooves 9, and can limit the sliding block 15 in the adjusting groove 8 of the adjusting seat 6.
Referring to fig. 4, the high liquid level sensor 4 and the low liquid level sensor 5 have the same structure, the high liquid level sensor 4 is axisymmetric with the low liquid level sensor 5 about the center line of the adjusting seat 6, the low liquid level sensor 5 includes a liquid level control box 18, one end of the liquid level control box 18 is provided with a metal sensing sheet 19, and the floating assembly 3 can perform touch sensing alarm on the high liquid level sensor 4 or the low liquid level sensor 5 according to the liquid level by adding the metal sensing sheet 19 at one end of the liquid level control box 18.
All be connected with spring part 20 between the four corners of metal response piece 19 and liquid level control box 18, the middle part of metal response piece 19 is run through and has been seted up second through-hole 21, and second through-hole 21 is the same with first through-hole 16 structure, through spring part 20 that all installs additional between metal response piece 19 and 18 four corners of liquid level control box, can be with the one end of metal response piece 19 elastic connection at liquid level control box 18.
Please refer to fig. 4, one end of the liquid level control box 18 close to the metal sensing piece 19 is connected with a metal bump 22 all around, a liquid level warning lamp 23 is installed at one side of the liquid level control box 18, an adjusting screw hole 24 is formed in the middle of the liquid level control box 18 in a penetrating manner, the adjusting screw hole 24 is in threaded fit with the adjusting screw rod 10, when the adjusting hand wheel 11 is rotated to drive the adjusting screw rod 10 to rotate inside the adjusting groove 8, the high liquid level sensor 4 and the low liquid level sensor 5 can be driven to perform displacement adjustment in the opposite direction or the opposite direction inside the adjusting groove 8, so that the liquid level switch body 1 can perform corresponding adjustment on the liquid level heights of the high liquid level sensor 4 and the low liquid level sensor 5 according to the use condition.
The both sides that liquid level control box 18 is close to liquid level early warning lamp 23 all install second slider 25, second slider 25 and 9 structure phase-matchs of spacing spout, can be with high liquid level inductor 4 and low liquid level inductor 5 spacing connection respectively at the 8 both ends of adjustment tank of adjusting seat 6, one side of two sets of second sliders 25 all is connected with pulley 26, be rolling contact between pulley 26 and the inner wall of spacing spout 9, can effectually carry the slip nature of rising liquid level inductor 4 and low liquid level inductor 5 at the inside lift adjustment of adjustment tank 8, can effectually avoid high liquid level inductor 4 and low liquid level inductor 5 the condition that the card pauses appears when 8 inside lift adjustments of adjustment tank.
The working principle is as follows: according to the scheme, the inflating box 13 is additionally arranged at the bottom of the air bag body 12, the size of the air bag body 12 can be reasonably controlled according to the density of liquid, the floating force of the floating component 3 in lifting and sliding on one side of the adjusting component 2 can be met, the sliding block 15 can be in limited connection with the adjusting groove 8 of the adjusting seat 6 through the limiting sliding groove 9 and the first sliding block 17 structure, the supporting arm 14 structure is matched, the air bag body 12 and the inflating box 13 can be fixedly connected to one side of the sliding block 15, the sliding block 15 can also perform lifting and sliding movement on the adjusting screw 10 by virtue of the buoyancy of the air bag body 12 in water due to sliding fit between the first through hole 16 and the adjusting screw 10, when the liquid level is too high, the sliding block 15 can perform lifting movement in the adjusting groove 8, when the sliding block 15 rises to a certain height, the sliding block can generate jacking collision with the metal sensing sheet 19 arranged at the bottom of the high liquid level sensor 4, the metal sensing sheet 19 extrudes the spring piece 20 to be in contact with the metal bump 22, and the liquid level warning lamp 23 of the high liquid level sensor 4 can trigger an early warning effect that the electrical connection relationship is formed between the metal bump 22 and the liquid level early warning lamp 23; when the liquid level is too low, the sliding block 15 can do descending motion in the adjusting groove 8, when the sliding block 15 descends to a certain height, the sliding block can be in top pressure collision with a metal induction sheet 19 arranged at the top of the low liquid level sensor 5, the metal induction sheet 19 extrudes a spring part 20 to be in contact with a metal bump 22, and a liquid level early warning lamp 23 of the low liquid level sensor 5 can be triggered to give out early warning of too low liquid level;
this scheme passes through second slider 25 and 9 structures of spacing spout, can be with high liquid level sensor 4 and low liquid level sensor 5 spacing connection respectively at the 8 both ends of adjustment tank of adjusting seat 6, when rotating adjusting handle 11 and drive adjusting screw 10 when the inside of adjustment tank 8 is rotatory, because of for screw-thread fit between adjusting screw 10 and the regulation screw 24, can drive high liquid level sensor 4 and low liquid level sensor 5 and do the displacement regulation of relative direction or opposite direction in the inside of adjustment tank 8, make level switch body 1 can make corresponding adjustment to the liquid level height of high liquid level sensor 4 and low liquid level sensor 5 according to in service behavior, promote the practicality of level switch body 1 in water level monitoring with this.
Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A level switch, includes level switch body (1), its characterized in that: the liquid level switch body (1) comprises an adjusting component (2), a floating component (3) is installed in the middle of the adjusting component (2), a high liquid level sensor (4) is arranged at the top of the floating component (3), and a low liquid level sensor (5) is further arranged at the bottom of the floating component (3);
the adjusting assembly (2) comprises an adjusting seat (6), four corners of one side of the adjusting seat (6) are respectively provided with a connecting plate (7), and the middle part of one side of the adjusting seat (6) far away from the connecting plates (7) is also provided with an adjusting groove (8);
the subassembly (3) float includes the gasbag body (12), aerify box (13) are installed to the bottom of the gasbag body (12), one side of aerifing box (13) is connected with support arm (14), the one end that aerifys box (13) was kept away from in support arm (14) still installs slide block (15).
2. A level switch as claimed in claim 1, wherein: the inner wall both sides of adjustment tank (8) all are provided with spacing spout (9), the middle part of adjustment tank (8) is connected with adjusting screw (10), adjusting hand wheel (11) are still installed to the one end of adjusting screw (10), the top of adjusting hand wheel (11) displacement adjustment seat (6).
3. A level switch as claimed in claim 2, wherein: a first through hole (16) penetrates through the middle of the sliding block (15), and the first through hole (16) is in sliding fit with the adjusting screw rod (10).
4. A level switch as claimed in claim 2, wherein: first slider (17) are all installed to the outside both sides of gliding block (15), first slider (17) and spacing spout (9) structure phase-match.
5. A level switch as claimed in claim 1, wherein: high liquid level inductor (4) are the same with low liquid level inductor (5) structure, high liquid level inductor (4) are with low liquid level inductor (5) axisymmetric about the central line of adjusting seat (6), low liquid level inductor (5) are including liquid level control box (18), the one end of liquid level control box (18) is provided with metal response piece (19).
6. A level switch according to claim 5, wherein: spring parts (20) are connected between four corners of the metal sensing sheet (19) and the liquid level control box (18), a second through hole (21) is formed in the middle of the metal sensing sheet (19) in a penetrating mode, and the second through hole (21) is identical to the first through hole (16) in structure.
7. A level switch according to claim 5, wherein: the liquid level control box (18) are close to the one end of metal response piece (19) and all are connected with metal lug (22) all around, liquid level warning light (23) are installed to one side of liquid level control box (18), the middle part of liquid level control box (18) is run through and has been seted up regulation screw (24), be screw-thread fit between regulation screw (24) and adjusting screw (10).
8. A level switch according to claim 5, wherein: second slider (25) are all installed to the both sides that liquid level control box (18) are close to liquid level warning light (23), second slider (25) and spacing spout (9) structure phase-match, two sets of one side of second slider (25) all is connected with pulley (26), be rolling contact between the inner wall of pulley (26) and spacing spout (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222655758.1U CN218414400U (en) | 2022-10-10 | 2022-10-10 | Liquid level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222655758.1U CN218414400U (en) | 2022-10-10 | 2022-10-10 | Liquid level switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218414400U true CN218414400U (en) | 2023-01-31 |
Family
ID=85000661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222655758.1U Active CN218414400U (en) | 2022-10-10 | 2022-10-10 | Liquid level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218414400U (en) |
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2022
- 2022-10-10 CN CN202222655758.1U patent/CN218414400U/en active Active
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