CN208903920U - The liquid-level switch of anti-erroneous judgement safety - Google Patents
The liquid-level switch of anti-erroneous judgement safety Download PDFInfo
- Publication number
- CN208903920U CN208903920U CN201821750237.1U CN201821750237U CN208903920U CN 208903920 U CN208903920 U CN 208903920U CN 201821750237 U CN201821750237 U CN 201821750237U CN 208903920 U CN208903920 U CN 208903920U
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- CN
- China
- Prior art keywords
- connecting rod
- floating ball
- wall
- hollow pipeline
- sleeve
- 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.)
- Expired - Fee Related
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Abstract
A kind of liquid-level switch of anti-erroneous judgement safety, including hollow pipeline and covers the first floating ball outside hollow pipeline；Hollow pipeline is provided with magnetic reed switch, and the first floating ball is equipped with magnet corresponding with magnetic reed switch；It further include microswitch, the second floating ball and connecting rod；Microswitch is on the top of hollow pipeline outer wall；Connecting rod is rotationally connected with hollow pipeline outer wall；Second floating ball is connected to the head end of connecting rod, and the position of the tail end of connecting rod corresponds to the button of microswitch；The contact extraction wire of microswitch；It further include support side plate and shaft；There are two support side plates, they are connected to vertically on hollow pipeline outer wall, and shaft is connected between two support side plates, and connecting rod is fixedly connected in shaft；Include partially casing and extension rod between the rotation axis of connecting rod and the second floating ball, pressure-regulating device is connected between casing and extension rod；The head end outer wall of extension rod is equipped with external screw thread, and the second floating ball is equipped with band internal thread through-hole, and the second floating ball rotates the head end for being connected to extension rod.
Description
Technical field
The utility model belongs to liquid-level switch technical field, the liquid-level switch of specifically a kind of anti-erroneous judgement safety.
Background technique
In the prior art, float type level switch is more common, and industrial common structure is the hollow cylinder in sealing
Built-in magnetic reed switch, then in hollow cylinder housing floating ball, floating ball is equipped with magnet, with floating ball up and down, magnet influences magnetic red and opens
The movement of pass.After long-term use, impurity in liquid etc. can be adhered to outside hollow cylinder and floating ball, caused hollow cylinder and floated
Relative motion clamping stagnation between ball, is unable to learn in time liquid level, can not also know the case where device failure in some hollow cylinders
Liquid level causes liquid level excessively high.Currently, solving the problems, such as this, usually the output signal of liquid-level switch is monitored, to exception
State carries out automatic or manual identification, when necessary, site inspection, maintenance replacement.Which is more time-consuming, has identification careless omission can
It can property.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, the utility model proposes a kind of liquid levels of anti-erroneous judgement safety to open
It closes, including hollow pipeline and covers the first floating ball outside hollow pipeline；It is opened along the vertical direction equipped with multiple magnetic reds in hollow pipeline
It closes, first floating ball is equipped with magnet corresponding with each magnetic reed switch, it is characterized in that further including alarm device；Alarm device packet
Include microswitch, the second floating ball and connecting rod；The contact extraction wire of the microswitch (for issuing warning information)；
The microswitch is connected to the top of hollow pipeline outer wall；Connecting rod is rotationally connected with hollow pipeline outer wall, structure
At lever construction；Elastomer is connected between connecting rod and hollow pipeline outer wall；Second floating ball is connected to the head end of connecting rod, even
The position of the tail end of extension bar corresponds to the button of microswitch；
Rotation connection structure between the connecting rod and hollow pipeline outer wall includes: support side plate and shaft；Support-side
There are two plates, they are connected to vertically on hollow pipeline outer wall, and shaft is connected between two support side plates, and the connecting rod is fixed
It is connected in shaft；
It include partially casing and extension rod between the rotation axis of the connecting rod and the second floating ball, between casing and extension rod
It is connected with pressure-regulating device；Pressure-regulating device includes that bottom plate, sliding block, spring link block, spring, baffle are connected with extension rod
Plate；
Axis direction in sleeve and along sleeve: bottom plate is fixed in sleeve, and the bottom surface of sliding block is slidably connected to bottom plate
Surface, top surface connecting spring one end of spring link block, the other end of the extension rod connecting plate in spring；Baffle is fixed on sleeve
It is interior, through-hole is provided on baffle, the tail end of extension rod protrudes into sleeve from sleeve openings end, and the through-hole on baffle, which is connected to, to be prolonged
Long involvement fishplate bar；It is provided with screw hole on the wall of sleeve, is screwed with bolt on screw hole, the axis of screw hole and the axis of sleeve are vertical and wear
Cross slider side wall；
The bottom surface of sliding block and the top surface of spring link block are parallel to each other, and two faces are perpendicular to the axis of sleeve；Sliding block
Top surface and the bottom surface of spring link block are slidably connected, and the axis of sliding connecting surface and sleeve is at an acute angle；
The head end outer wall of extension rod is equipped with external screw thread, and the second floating ball is equipped with band internal thread through-hole, the rotation of the second floating ball
Turn the head end for being connected to extension rod；The axis of through-hole passes through the centre of sphere of the second floating ball.
The principles of the present invention are, when liquid level rising reaches warning liquid level, and the sliding of the first floating ball is unsmooth, by the
Two floating balls float the button of pressing microswitch, and then alerted by the external circuit for microswitch contact of ining succession outside (such as
The switching value that microswitch is inputted as PLC).In order to be suitable for the liquid of different densities, using the advance and retreat by bolt
The mode of the relative position of sliding block and spring link block is limited, to finely tune between the bottom surface of sliding block and the top surface of spring link block
Distance, and then the compression travel of spring is influenced, have adjusted the initial potential energy of spring.In order to be suitable for the demand of a variety of liquid levels warning, lead to
The second floating ball of toning is applicable in the warning of different height liquid level to the distance between rotation axis and requires.
Further, the tail end of the connecting rod is connected with the pressing plate of outer convex.The structure ensures reliably to press fine motion
The button of switch.
Further, the elastomer is pressure spring；One end of position connection pressure spring between the tail end and shaft of connecting rod, pressure
The other end of spring is fixed on the outer wall of hollow pipeline.
The utility model is suitable for the warning of a variety of density fluids and a variety of liquid levels.
Detailed description of the invention
Fig. 1 is the structure principle chart of the utility model；
Fig. 2 is the principle schematic diagram of pressure-regulating device；
In figure: hollow pipeline 1, the first floating ball 2, magnetic reed switch 3, magnet 4, microswitch 5, the second floating ball 6, connecting rod 7,
Pressing plate 8, casing 9, extension rod 10, support side plate 11, shaft 12, bottom plate 13, sliding block 14, spring link block 15, spring 16, baffle
17, extension rod connecting plate 18, bolt 19, pressure spring 20.
Specific embodiment
This case is further illustrated with specific embodiment with reference to the accompanying drawing:
Such as Fig. 1, a kind of liquid-level switch of anti-erroneous judgement safety including hollow pipeline and covers first floating outside hollow pipeline
Ball；Multiple magnetic reed switch are housed along the vertical direction, first floating ball is equipped with corresponding with each magnetic reed switch in hollow pipeline
Magnet, it is characterized in that further including alarm device；Alarm device includes microswitch, the second floating ball and connecting rod；The fine motion is opened
The contact extraction wire of pass；
The microswitch is connected to the top of hollow pipeline outer wall；Connecting rod is rotationally connected with hollow pipeline outer wall, structure
At lever construction；Elastomer is connected between connecting rod and hollow pipeline outer wall；Second floating ball is connected to the head end of connecting rod, even
The position of the tail end of extension bar corresponds to the button of microswitch；
Rotation connection structure between the connecting rod and hollow pipeline outer wall includes: support side plate and shaft；Support-side
There are two plates, they are connected to vertically on hollow pipeline outer wall, and shaft is connected between two support side plates, and the connecting rod is fixed
It is connected in shaft；
It partially include casing and extension rod between the rotation axis of the connecting rod and the second floating ball such as Fig. 2, casing and extension
Pressure-regulating device is connected between bar；Pressure-regulating device includes bottom plate, sliding block, spring link block, spring, baffle and extension
Bar connecting plate；
Axis direction in sleeve and along sleeve: bottom plate is fixed in sleeve, and the bottom surface of sliding block is slidably connected to bottom plate
Surface, top surface connecting spring one end of spring link block, the other end of the extension rod connecting plate in spring；Baffle is fixed on sleeve
It is interior, through-hole is provided on baffle, the tail end of extension rod protrudes into sleeve from sleeve openings end, and the through-hole on baffle, which is connected to, to be prolonged
Long involvement fishplate bar；It is provided with screw hole on the wall of sleeve, is screwed with bolt on screw hole, the axis of screw hole and the axis of sleeve are vertical and wear
Cross slider side wall；
The bottom surface of sliding block and the top surface of spring link block are parallel to each other, and two faces are perpendicular to the axis of sleeve；Sliding block
Top surface and the bottom surface of spring link block are slidably connected, and the axis of sliding connecting surface and sleeve is at an acute angle；
The head end outer wall of extension rod is equipped with external screw thread, and the second floating ball is equipped with band internal thread through-hole, the rotation of the second floating ball
Turn the head end for being connected to extension rod；The axis of through-hole passes through the centre of sphere of the second floating ball.
In this example, the tail end of the connecting rod is connected with the pressing plate of outer convex.The structure ensures reliably to press fine motion
The button of switch.The elastomer is pressure spring；One end of position connection pressure spring between the tail end and shaft of connecting rod, pressure spring
The other end is fixed on the outer wall of hollow pipeline.
Claims (3)
1. a kind of liquid-level switch of anti-erroneous judgement safety, including hollow pipeline and covers the first floating ball outside hollow pipeline；Hollow tube
Multiple magnetic reed switch are housed along the vertical direction, first floating ball is equipped with magnet corresponding with each magnetic reed switch, special in road
Sign be further include alarm device；Alarm device includes microswitch, the second floating ball and connecting rod；Draw the contact of the microswitch
Conducting wire out；
The microswitch is connected to the top of hollow pipeline outer wall；Connecting rod is rotationally connected with hollow pipeline outer wall, constitutes thick stick
Rod structure；Elastomer is connected between connecting rod and hollow pipeline outer wall；Second floating ball is connected to the head end of connecting rod, connecting rod
The position of tail end correspond to the button of microswitch；
Rotation connection structure between the connecting rod and hollow pipeline outer wall includes: support side plate and shaft；Support side plate has
Two, they are connected to vertically on hollow pipeline outer wall, and shaft is connected between two support side plates, and the connecting rod is fixedly connected
In shaft；
Include partially casing and extension rod between the rotation axis of the connecting rod and the second floating ball, is connected between casing and extension rod
There is pressure-regulating device；Pressure-regulating device includes bottom plate, sliding block, spring link block, spring, baffle and extension rod connecting plate；
Axis direction in sleeve and along sleeve: bottom plate is fixed in sleeve, and the bottom surface of sliding block is slidably connected to backplate surface,
Top surface connecting spring one end of spring link block, the other end of the extension rod connecting plate in spring；Baffle is fixed in sleeve, baffle
On be provided with through-hole, the tail end of extension rod protrudes into sleeve from sleeve openings end, and the through-hole on baffle is connected to extension involvement
Fishplate bar；It is provided with screw hole on the wall of sleeve, is screwed with bolt on screw hole, the axis of screw hole and the axis of sleeve are vertical and pass through sliding block
Side wall；
The bottom surface of sliding block and the top surface of spring link block are parallel to each other, and two faces are perpendicular to the axis of sleeve；The top surface of sliding block
It is slidably connected with the bottom surface of spring link block, and the axis of sliding connecting surface and sleeve is at an acute angle；
The head end outer wall of extension rod is equipped with external screw thread, and the second floating ball is equipped with band internal thread through-hole, and the rotation of the second floating ball connects
Connect the head end in extension rod；The axis of through-hole passes through the centre of sphere of the second floating ball.
2. liquid-level switch according to claim 1, it is characterized in that the tail end of the connecting rod is connected with the pressure of outer convex
Plate.
3. liquid-level switch according to claim 1, it is characterized in that the elastomer is pressure spring；The tail end and shaft of connecting rod
Between position connection pressure spring one end, the other end of pressure spring is fixed on the outer wall of hollow pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821750237.1U CN208903920U (en) | 2018-10-27 | 2018-10-27 | The liquid-level switch of anti-erroneous judgement safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821750237.1U CN208903920U (en) | 2018-10-27 | 2018-10-27 | The liquid-level switch of anti-erroneous judgement safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208903920U true CN208903920U (en) | 2019-05-24 |
Family
ID=66576871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821750237.1U Expired - Fee Related CN208903920U (en) | 2018-10-27 | 2018-10-27 | The liquid-level switch of anti-erroneous judgement safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208903920U (en) |
-
2018
- 2018-10-27 CN CN201821750237.1U patent/CN208903920U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20201027 |