CN104505304A - Top-loaded sequence self-detecting liquid level switch - Google Patents
Top-loaded sequence self-detecting liquid level switch Download PDFInfo
- Publication number
- CN104505304A CN104505304A CN201410801801.8A CN201410801801A CN104505304A CN 104505304 A CN104505304 A CN 104505304A CN 201410801801 A CN201410801801 A CN 201410801801A CN 104505304 A CN104505304 A CN 104505304A
- Authority
- CN
- China
- Prior art keywords
- spacing collar
- ball float
- magnet ring
- guide rod
- ring ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
Landscapes
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a top-loaded sequence self-detecting liquid level switch. The top-loaded sequence self-detecting liquid level switch comprises a switch shell, a mounting flange, a guide rod and a floating pulling rod, wherein the guide rod and the floating pulling rod are vertically arranged in parallel; a limit ring II, a magnetic ring float ball A, a limit ring V and a magnetic ring float ball B are sequentially arranged on the guide rod on the lower part of the mounting flange from top to bottom; a reed pipe switch is respectively arranged in each of the magnetic ring float ball A and the magnetic ring float ball B; the magnetic ring float ball A and the magnetic ring float ball B are arranged on the guide rod in clearance fit in a sleeving way; a pulling rod upper reset spring, a limit ring I, a magnetic ring float ball A toggle component, a limit ring IV, a magnetic ring float ball B toggling component, a pulling rod lower reset spring and a limit ring IX are sequentially arranged on the floating pulling rod on the lower part of the mounting flange from top to bottom; the upward moving distance of the magnetic ring float ball B is smaller than the upward moving distance of the limit ring IV. The two float balls at different liquid levels are controlled by the floating pulling rod to act sequentially, and an alarm signal is output. The top-loaded sequence self-detecting liquid level switch is simple in structure, easy to assemble and low in cost.
Description
Technical field
The present invention relates to a kind of liquid level detection device, be specifically related to a kind of self-inspection liquid-level switch of cargo tank.
Background technology
Self-inspection liquid-level switch is usually used in a cargo tank high position, the on-off control of high-order liquid level or output alarm signal, the self-inspection liquid-level switch of prior art has two kinds of structures, structure is by the on-off control of high-order, the high-order liquid level of reality simultaneously of floating drawbar or an output alarm signal, and this structure does not realize a high position, the on-off control of high-order liquid level or output alarm signal respectively by a floating drawbar; Another kind of structure is on-off control or the output alarm signal of, high-order liquid level high-order by two floating drawbar separate detection reality, and this structure is comparatively complicated, and matching requirements are high, added cost.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose one and can load liquid goods by real empty-cabin state Imitating by a floating drawbar, two ball floats controlling different liquid level produce successively action, the roof-mounted order self-inspection liquid-level switch of output alarm signal, this roof-mounted order self-inspection liquid-level switch, structure is simple, and assembling is easy, low cost of manufacture.
The present invention is achieved through the following technical solutions technical goal.
Roof-mounted order self-inspection liquid-level switch, its improvements are: comprise switch case, mounting flange, guide rod and floating drawbar; Described guide rod, floating drawbar be perpendicular to be put, opposing parallel setting; Described guide rod top is run through and is fixedly connected on mounting flange, and its upper end is connected with switch case; Described floating drawbar upwards runs through the installing hole on mounting flange, can slide up and down relative to mounting flange, and its upper end connects stop nut; The guide rod of mounting flange bottom is provided with spacing collar II, magnet ring ball float A, spacing collar V, magnet ring ball float B from top to bottom successively; Dry-reed tube switch is respectively equipped with in described magnet ring ball float A, magnet ring ball float B; Described magnet ring ball float A, magnet ring ball float B matched in clearance are sleeved on guide rod; Described spacing collar II, spacing collar V are fixedly connected on guide rod; The floating drawbar of mounting flange bottom is provided with back-moving spring, spacing collar Ⅸ from top to bottom successively under pull bar upper reset spring, spacing collar I, magnet ring ball float A shifting component, spacing collar IV, magnet ring ball float B shifting component, pull bar; Described spacing collar I, spacing collar IV, spacing collar Ⅸ are fixedly connected on floating drawbar; Described magnet ring ball float A shifting component comprises ball float plectrum I, spacer I, described spacer I matched in clearance is sleeved on floating drawbar, described ball float plectrum I one end is fixedly connected on spacer I upper end, and other end matched in clearance is sleeved on the guide rod between magnet ring ball float A, spacing collar V; Described magnet ring ball float B shifting component comprises ball float plectrum II, spacer II, and described spacer II matched in clearance is sleeved on floating drawbar, and described ball float plectrum II one end is fixedly connected on spacer II upper end, on the guide rod of other end matched in clearance suit magnet ring ball float B bottom; The described magnet ring ball float B distance (magnet ring ball float B on, summit is to the distance of spacing collar II lower surface) that moves up is less than spacing collar IV and moves up apart from (spacing collar IV upper surface is to the distance of magnet ring ball float A shifting component lower surface).
In said structure, described magnet ring ball float A shifting component also comprises reset plectrum I, spacing collar III, back-moving spring I, spacing collar VI; On the guide rod that described spacing collar III, spacing collar VI are fixedly connected sequentially from top to bottom between ball float plectrum I, spacing collar V; Described reset plectrum I one end is fixedly connected on spacer I lower end, and other end matched in clearance is sleeved on the guide rod between spacing collar III, spacing collar VI; Described back-moving spring I is sleeved on the guide rod between spacing collar III, reset plectrum I, forms magnet ring ball float A shifting component flexible restoring organ; Described magnet ring ball float B shifting component also comprises reset plectrum II, spacing collar VII, back-moving spring II, spacing collar VIII; On the guide rod that described spacing collar VII, spacing collar VIII are fixedly connected sequentially from top to bottom below ball float plectrum II; Described reset plectrum II one end is fixedly connected on spacer II lower end, and other end matched in clearance is sleeved on the guide rod between spacing collar VII, spacing collar VIII; Described back-moving spring II is sleeved on the guide rod between spacing collar VII, reset plectrum II, forms magnet ring ball float B shifting component flexible restoring organ.
In said structure, described spacing collar I, spacing collar IV, spacing collar Ⅸ are sleeved on floating drawbar, and are fixedly connected on floating drawbar by screw; Described spacing collar II, spacing collar V are sleeved on guide rod, and are fixedly connected on guide rod by screw.
In said structure, described spacing collar III, spacing collar VI, spacing collar VII, spacing collar VIII are sleeved on guide rod, and are fixedly connected on guide rod by screw.
The present invention compared with prior art, has following good effect:
1, can load liquid goods by real empty-cabin state Imitating by a floating drawbar, two ball floats controlling different liquid level produce successively action, output alarm signal, and structure is simple, assemble easily, low cost of manufacture.
2, be provided with magnet ring ball float A shifting component flexible restoring organ, magnet ring ball float A shifting component can be automatically reset after removing external force, without the need to manual reset, significantly improve operating efficiency; Be provided with magnet ring ball float B shifting component flexible restoring organ, magnet ring ball float B shifting component can be automatically reset after removing external force, without the need to manual reset, significantly improve operating efficiency.
3, floating drawbar is provided with successively back-moving spring under pull bar upper reset spring, pull bar from top to bottom, significantly increases the reliability that floating drawbar resets.
4, spacing collar I, spacing collar IV, spacing collar Ⅸ are sleeved on floating drawbar, and are fixedly connected on floating drawbar by screw; Spacing collar II, spacing collar V are sleeved on guide rod, and are fixedly connected on guide rod by screw; The position of spacing collar I, spacing collar IV, spacing collar Ⅸ, spacing collar II, spacing collar V can be adjusted so as required in time, improve adjustability of the present invention.
5, spacing collar III, spacing collar VI, spacing collar VII, spacing collar VIII are sleeved on guide rod, and be fixedly connected on guide rod by screw, the position of spacing collar III, spacing collar VI, spacing collar VII, spacing collar VIII can be adjusted so as required in time, further increase adjustability of the present invention.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 be magnet ring ball float B ball move up put in place, structural representation when magnet ring ball float A ball does not move.
Fig. 3 is after magnet ring ball float B ball moves up and puts in place, the structural representation that magnet ring ball float A ball moves up when putting in place.
Embodiment
Below with reference to the accompanying drawings and the invention will be further described in conjunction with the embodiments.
Roof-mounted order self-inspection liquid-level switch shown in the drawings, comprises switch case 1, mounting flange 3, guide rod 4 and floating drawbar 2; Guide rod 4, floating drawbar 2 be perpendicular to be put, opposing parallel setting; Guide rod 4 top is run through and is fixedly connected on mounting flange 3, and its upper end is connected with switch case 1; Floating drawbar 2 upwards runs through the installing hole on mounting flange 3, can slide up and down relative to mounting flange 3, and its upper end connects stop nut 18; The guide rod 4 of mounting flange 3 bottom is provided with spacing collar II 7, magnet ring ball float A8, spacing collar V 12, magnet ring ball float B13 from top to bottom successively; Dry-reed tube switch 9 is respectively equipped with in magnet ring ball float A8, magnet ring ball float B13; Magnet ring ball float A8, magnet ring ball float B13 matched in clearance are sleeved on guide rod 4; Spacing collar II 7, spacing collar V 12 are fixedly connected on guide rod 4; The floating drawbar 2 of mounting flange 3 bottom is provided with back-moving spring 16, spacing collar Ⅸ 17 from top to bottom successively under pull bar upper reset spring 5, spacing collar I 6, magnet ring ball float A shifting component 10, spacing collar IV 11, magnet ring ball float B shifting component 15, pull bar; Spacing collar I 6, spacing collar IV 11, spacing collar Ⅸ 17 are fixedly connected on floating drawbar 2.
Magnet ring ball float A shifting component 10 comprises ball float plectrum I 10.1, spacer I 10.2, reset plectrum I 10.3, spacing collar III 10.4, back-moving spring I 10.5, spacing collar VI 10.6, spacer I 10.2 matched in clearance is sleeved on floating drawbar 2, ball float plectrum I 10.1 one end is fixedly connected on spacer I 10.2 upper end, and other end matched in clearance is sleeved on the guide rod 4 between magnet ring ball float A8, spacing collar V 12; On the guide rod 4 that spacing collar III 10.4, spacing collar VI 10.6 are fixedly connected sequentially from top to bottom between ball float plectrum I 10.1, spacing collar V 12; Reset plectrum I 10.3 one end is fixedly connected on spacer I 10.2 lower end, and other end matched in clearance is sleeved on the guide rod 4 between spacing collar III 10.4, spacing collar VI 10.6; Back-moving spring I 10.5 is sleeved on the guide rod 4 between spacing collar III 10.4, reset plectrum I 10.3, forms magnet ring ball float A shifting component flexible restoring organ;
Magnet ring ball float B shifting component 15 comprises ball float plectrum II 15.1, spacer II 15.2, reset plectrum II 15.3, spacing collar VII 15.4, back-moving spring II 15.5, spacing collar VIII 15.6, spacer II 15.2 matched in clearance is sleeved on floating drawbar 2, ball float plectrum II 15.1 one end is fixedly connected on spacer II 15.2 upper end, on the guide rod 4 of other end matched in clearance suit magnet ring ball float B13 bottom; On the guide rod 4 that spacing collar VII 15.4, spacing collar VIII 15.6 are fixedly connected sequentially from top to bottom below ball float plectrum II 15.1; Reset plectrum II 15.3 one end is fixedly connected on spacer II 15.2 lower end, and other end matched in clearance is sleeved on the guide rod 4 between spacing collar VII 15.4, spacing collar VIII 15.6; Back-moving spring II 15.5 is sleeved on the guide rod 4 between spacing collar VII 15.4, reset plectrum II 15.3, forms magnet ring ball float B shifting component flexible restoring organ.
The magnet ring ball float B13 upper summit of distance magnet ring ball float B13 that moves up is less than spacing collar IV 11 to the distance of spacing collar II 7 lower surface and moves up apart from the distance of spacing collar IV 11 upper surface to magnet ring ball float A shifting component 10 lower surface.
In the present embodiment, spacing collar I 6, spacing collar IV 11, spacing collar Ⅸ 17 are sleeved on floating drawbar 2, and are fixedly connected on floating drawbar 2 by screw; Spacing collar II 7, spacing collar V 12, spacing collar III 10.4, spacing collar VI 10.6, spacing collar VII 15.4, spacing collar VIII 15.6 are sleeved on guide rod 4, and are fixedly connected on guide rod 4 by screw.
The present invention in use, firmly upwards lift floating drawbar 2, spacing collar Ⅸ 17 is back-moving spring 16 under pull bar upwardly, under pull bar back-moving spring 16 upwardly magnet ring ball float B shifting component 15 move up, the ball float plectrum II 15.1 of magnet ring ball float B shifting component 15 is stirred magnet ring ball float B13 and is moved up, dry-reed tube switch 9 adhesive output alarm signal in magnet ring ball float B13, magnet ring ball float B13 is moved upwards up to apexes contact to be stopped to during spacing collar II 7 lower surface; Floating drawbar 2 moves up, spacing collar IV 11 moves up and drives magnet ring ball float A shifting component 10 to move up, the ball float plectrum I 10.1 of magnet ring ball float A shifting component 10 is stirred magnet ring ball float A8 and is moved up, dry-reed tube switch 9 adhesive output alarm signal in magnet ring ball float A8, now magnet ring ball float B13, magnet ring ball float A8 make dry-reed tube switch 9 be in attracting state, output alarm signal.Achieve the sequentially-operating of magnet ring ball float B13, magnet ring ball float A8.
Subsequently, slowly unclamp floating drawbar 2, under pull bar upper reset spring 5, pull bar back-moving spring 16 effect under, floating drawbar 2 moves down; Under back-moving spring I 10.5 acts on, magnet ring ball float A shifting component 10 moves down, and progressively resets, and magnet ring ball float A8 falls under Gravitative Loads, and the dry-reed tube switch 9 in magnet ring ball float A8 discharges, and alarm signal stops; Floating drawbar 2 continues to move down, and under back-moving spring II 15.5 acts on, magnet ring ball float B shifting component 15 moves down, progressively reset, magnet ring ball float B13 falls under Gravitative Loads, and the dry-reed tube switch 9 in magnet ring ball float B13 discharges, alarm signal stops, and the present invention sets back.
Claims (4)
1. a roof-mounted order self-inspection liquid-level switch, is characterized in that: comprise switch case (1), mounting flange (3), guide rod (4) and floating drawbar (2); Described guide rod (4), floating drawbar (2) be perpendicular to be put, opposing parallel setting; Described guide rod (4) top is run through and is fixedly connected on mounting flange (3), and its upper end is connected with switch case (1); Described floating drawbar (2) upwards runs through the installing hole on mounting flange (3), can slide up and down relative to mounting flange (3), and its upper end connects stop nut (18); The guide rod (4) of mounting flange (3) bottom is provided with spacing collar II (7), magnet ring ball float A(8 from top to bottom successively), spacing collar V (12), magnet ring ball float B(13); Described magnet ring ball float A(8), magnet ring ball float B(13) in be respectively equipped with dry-reed tube switch (9); Described magnet ring ball float A(8), magnet ring ball float B(13) matched in clearance is sleeved on guide rod (4); Described spacing collar II (7), spacing collar V (12) are fixedly connected on guide rod (4); The floating drawbar (2) of mounting flange (3) bottom is provided with back-moving spring (16), spacing collar Ⅸ (17) from top to bottom successively under pull bar upper reset spring (5), spacing collar I (6), magnet ring ball float A shifting component (10), spacing collar IV (11), magnet ring ball float B shifting component (15), pull bar; Described spacing collar I (6), spacing collar IV (11), spacing collar Ⅸ (17) are fixedly connected on floating drawbar (2); Described magnet ring ball float A shifting component (10) comprises ball float plectrum I (10.1), spacer I (10.2), described spacer I (10.2) matched in clearance is sleeved on floating drawbar (2), described ball float plectrum I (10.1) one end is fixedly connected on spacer I (10.2) upper end, and other end matched in clearance is sleeved on magnet ring ball float A(8), on guide rod (4) between spacing collar V (12); Described magnet ring ball float B shifting component (15) comprises ball float plectrum II (15.1), spacer II (15.2), described spacer II (15.2) matched in clearance is sleeved on floating drawbar (2), described ball float plectrum II (15.1) one end is fixedly connected on spacer II (15.2) upper end, other end matched in clearance suit magnet ring ball float B(13) on the guide rod (4) of bottom; Described magnet ring ball float B(13) the upper summit of the distance (magnet ring ball float B(13) that moves up is to the distance of spacing collar II (7) lower surface) be less than spacing collar IV (11) and move up apart from (spacing collar IV (11) upper surface is to the distance of magnet ring ball float A shifting component (10) lower surface).
2. roof-mounted order self-inspection liquid-level switch according to claim 1, is characterized in that: described magnet ring ball float A shifting component (10) also comprises reset plectrum I (10.3), spacing collar III (10.4), back-moving spring I (10.5), spacing collar VI (10.6); On the guide rod (4) that described spacing collar III (10.4), spacing collar VI (10.6) are fixedly connected sequentially from top to bottom between ball float plectrum I (10.1), spacing collar V (12); Described reset plectrum I (10.3) one end is fixedly connected on spacer I (10.2) lower end, and other end matched in clearance is sleeved on the guide rod (4) between spacing collar III (10.4), spacing collar VI (10.6); Described back-moving spring I (10.5) is sleeved on the guide rod (4) between spacing collar III (10.4), reset plectrum I (10.3), forms magnet ring ball float A shifting component flexible restoring organ; Described magnet ring ball float B shifting component (15) also comprises reset plectrum II (15.3), spacing collar VII (15.4), back-moving spring II (15.5), spacing collar VIII (15.6); On the guide rod (4) that described spacing collar VII (15.4), spacing collar VIII (15.6) are fixedly connected sequentially from top to bottom below ball float plectrum II (15.1); Described reset plectrum II (15.3) one end is fixedly connected on spacer II (15.2) lower end, and other end matched in clearance is sleeved on the guide rod (4) between spacing collar VII (15.4), spacing collar VIII (15.6); Described back-moving spring II (15.5) is sleeved on the guide rod (4) between spacing collar VII (15.4), reset plectrum II (15.3), forms magnet ring ball float B shifting component flexible restoring organ.
3. roof-mounted order self-inspection liquid-level switch according to claim 1 and 2, it is characterized in that: described spacing collar I (6), spacing collar IV (11), spacing collar Ⅸ (17) are sleeved on floating drawbar (2), and be fixedly connected on floating drawbar (2) by screw; Described spacing collar II (7), spacing collar V (12) are sleeved on guide rod (4), and are fixedly connected on guide rod (4) by screw.
4. roof-mounted order self-inspection liquid-level switch according to claim 2, it is characterized in that: described spacing collar III (10.4), spacing collar VI (10.6), spacing collar VII (15.4), spacing collar VIII (15.6) are sleeved on guide rod (4), and are fixedly connected on guide rod (4) by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801801.8A CN104505304A (en) | 2014-12-23 | 2014-12-23 | Top-loaded sequence self-detecting liquid level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801801.8A CN104505304A (en) | 2014-12-23 | 2014-12-23 | Top-loaded sequence self-detecting liquid level switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104505304A true CN104505304A (en) | 2015-04-08 |
Family
ID=52947043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410801801.8A Pending CN104505304A (en) | 2014-12-23 | 2014-12-23 | Top-loaded sequence self-detecting liquid level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104505304A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108393684A (en) * | 2018-05-03 | 2018-08-14 | 华中科技大学无锡研究院 | A kind of adjustable float device |
| CN111933485A (en) * | 2020-07-09 | 2020-11-13 | 李明秀 | Floating ball liquid level switch |
-
2014
- 2014-12-23 CN CN201410801801.8A patent/CN104505304A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108393684A (en) * | 2018-05-03 | 2018-08-14 | 华中科技大学无锡研究院 | A kind of adjustable float device |
| CN108393684B (en) * | 2018-05-03 | 2023-07-21 | 华中科技大学无锡研究院 | Adjustable floating device |
| CN111933485A (en) * | 2020-07-09 | 2020-11-13 | 李明秀 | Floating ball liquid level switch |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150408 |
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| WD01 | Invention patent application deemed withdrawn after publication |