CN220324362U - Magnetic attraction type floating ball liquid level switch - Google Patents
Magnetic attraction type floating ball liquid level switch Download PDFInfo
- Publication number
- CN220324362U CN220324362U CN202321915010.9U CN202321915010U CN220324362U CN 220324362 U CN220324362 U CN 220324362U CN 202321915010 U CN202321915010 U CN 202321915010U CN 220324362 U CN220324362 U CN 220324362U
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- China
- Prior art keywords
- sleeve
- connecting part
- level switch
- water inlet
- magnetic element
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- 239000007788 liquid Substances 0.000 title claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000005484 gravity Effects 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a magnetic floating ball liquid level switch, which comprises a sleeve, a first connecting part arranged at the top end of the sleeve, a stationary contact arranged at the top end of the sleeve and electrically connected with a power line, a second connecting part movably arranged in the sleeve and positioned below the first connecting part, a movable contact arranged on the second connecting part, a connecting rope, a gravity ball positioned in the sleeve and a floating piece movably sleeved on the connecting rope and positioned in the sleeve, wherein the movable contact is arranged on the second connecting part; the lower end of the sleeve is provided with a water inlet and a water outlet; the upper end of the connecting rope is connected to the second connecting part, and the lower end of the connecting rope is connected to the gravity ball; the second connecting member is adapted to be detachably engaged with the first connecting member. The utility model can avoid the phenomenon of power line winding to avoid the damage of external equipment caused by power line winding, can expand the application range of the device and can greatly improve the precision of liquid level control.
Description
Technical Field
The utility model relates to a magnetic floating ball liquid level switch.
Background
At present, a traditional magnetic floating ball liquid level switch is generally connected with a floater by using a cable, the floater freely floats in a water pool, and the floater is provided with a built-in switch and is movably provided with a steel ball. When the liquid level of the pool is in a low position, the steel ball is separated from the built-in switch, and the built-in switch is in an open state so that the liquid level switch is in an off state; when the float rises to a preset height range value along with the liquid level of the pool, the internal switch of the float is pressed by the gravity of the internal steel ball to be powered on, so that the liquid level switch is in a powered-on state. Although the traditional float liquid level switch can realize the on-off function of the switch, the float floats in the water tank freely, the power line is wound very easily to damage equipment, and the traditional float liquid level meter cannot be installed in the tank with stirring mechanical devices such as a stirrer due to winding, so that the traditional float liquid level meter has larger limitation in use, and the application range of the traditional float liquid level meter is limited.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide the magnetic floating ball liquid level switch which can avoid the phenomenon of winding a power line and expand the application range.
The utility model adopts the following technical scheme:
a magnetic floating ball liquid level switch comprises a sleeve, a first connecting part arranged at the top end of the sleeve, a stationary contact arranged at the top end of the sleeve and electrically connected with a power line, a second connecting part movably arranged in the sleeve and positioned below the first connecting part, a movable contact arranged on the second connecting part, a connecting rope, a gravity ball positioned in the sleeve and a floating piece movably sleeved on the connecting rope and positioned in the sleeve; the lower end of the sleeve is provided with a water inlet and a water outlet; the upper end of the connecting rope is connected to the second connecting part, and the lower end of the connecting rope is connected to the gravity ball; the second connecting part is used for being detachably engaged with the first connecting part; the floating piece is used for pushing the second connecting component to the first connecting component so as to enable the second connecting component to be engaged with the first connecting component; when the second connecting part is connected with the first connecting part, the movable contact is electrically connected with the static contact.
The first connection part includes a first magnetic element, and the second connection part includes a second magnetic element for magnetically attracting the first magnetic element.
The first magnetic element is a first magnet, and the second magnetic element is a second magnet.
The second connecting part further comprises a movable seat, the second magnetic element is fixed on the movable seat, and the movable contact is arranged on the movable seat.
The first magnetic element is in a circular ring shape, and the stationary contact is positioned on the inner side of the first magnetic element.
A water inlet cavity and a mounting cavity which is positioned above the water inlet cavity and communicated with the water inlet cavity are formed in the sleeve; the water inlet and outlet are communicated with the water inlet cavity; the first connecting component and the stationary contact are both arranged at the top end of the mounting cavity, and the second connecting component is movably mounted in the mounting cavity; the gravity ball is positioned in the water inlet cavity; the water inlet cavity is used for accommodating the floating piece, and the mounting cavity is used for penetrating the floating piece.
The sleeve comprises a top seat and a cylinder body arranged at the lower end of the top seat; the installation cavity is formed on the top seat, and the water inlet cavity is formed on the cylinder body and extends towards the direction of the top seat.
The floating piece is provided with a penetrating hole for the connecting rope to penetrate, and the diameter of the gravity ball is larger than that of the penetrating hole.
The stationary contact is a power supply terminal unit.
The lower end of the sleeve is provided with a plurality of water inlets and water outlets.
Compared with the prior art, the utility model has the beneficial effects that:
the magnetic floating ball liquid level switch provided by the utility model has the advantages that the on-off function of the switch can be realized by adopting the combination of the sleeve, the first connecting part, the fixed contact, the second connecting part, the movable contact, the gravity ball and the floating piece, the phenomenon of winding of a power line can be avoided, the phenomenon of damage to external equipment caused by winding of the power line can be avoided, and the application range of the switch can be enlarged; moreover, the connecting rope sleeved by the floating piece can always keep a vertical state under the influence of the gravity ball and is not wound; meanwhile, the movable contact and the static contact are kept electrically connected by utilizing the joint of the first connecting part and the second connecting part so as to keep the liquid level switch in a connected state, and the liquid level switch is disconnected after the gravity ball descends along with the liquid level of the sleeve to separate the second connecting part from the first connecting part, so that the liquid level interval can be freely controlled according to the use requirement; in addition, the floating range of the floating piece can be limited by arranging the floating piece in the sleeve, so that faults and risks caused by contact between the floating piece and external equipment are avoided; the liquid level of the sleeve is controlled by the water inlet and outlet modes of the sleeve, so that the influence of fluctuation of the liquid level of the pool on the liquid level control of the sleeve is effectively reduced, and the precision of the liquid level control is greatly improved.
Drawings
FIG. 1 is a schematic diagram of a magnetic float level switch of the present utility model in an off state;
FIG. 2 is a schematic diagram showing the magnetic floating ball level switch in the on state;
FIG. 3 is a top view of the cannula tip;
10, a sleeve; 11. a water inlet and a water outlet; 12. a water inlet cavity; 13. a mounting cavity; 14. a top base; 15. a cylinder; 20. a first connecting member; 30. a stationary contact; 40. a second connecting member; 41. a movable contact; 42. a second magnetic element; 51. a connecting rope; 52. a gravity ball; 53. a floating member.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
As shown in fig. 1-3, a magnetic floating ball liquid level switch comprises a sleeve 10, a first connecting part 20 arranged at the top end of the sleeve 10, a stationary contact 30 arranged at the top end of the sleeve 10 and electrically connected with a power line, a second connecting part 40 movably arranged in the sleeve 10 and positioned below the first connecting part 20, a movable contact 41 arranged on the second connecting part 40, a connecting rope 51, a gravity ball 52 positioned in the sleeve 10, and a floating piece 53 movably sleeved on the connecting rope 51 and positioned in the sleeve 10; the lower end of the sleeve 10 is provided with a water inlet and outlet 11; the upper end of the connecting rope 51 is connected to the second connecting member 40, and the lower end of the connecting rope 51 is connected to the gravity ball 52; the second connecting member 40 is adapted to be detachably engaged with the first connecting member 20; the float 53 is used to push the second connecting member 40 toward the first connecting member 20 to engage the second connecting member 40 with the first connecting member 20; when the second connecting member 40 is engaged with the first connecting member 20, the movable contact 41 is electrically connected with the stationary contact 30.
In the working process, along with the gradual rise of the liquid level of the water tank, water in the water tank enters the sleeve 10 from the water inlet and outlet 11, at the moment, the floating piece 53 rises under the action of buoyancy, when the floating piece 53 rises to push the second connecting component 40 towards the first connecting component 20, the second connecting component 40 can be jointed with the first connecting component 20, and the movable contact 41 is electrically connected with the static contact 30, so that the connection function of a liquid level switch is realized; when the liquid level of the pool drops, water flows out of the sleeve 10 from the water inlet and outlet 11, the liquid level in the sleeve 10 gradually drops, the floating piece 53 drops along with the liquid level in the sleeve 10, when the floating piece 53 drops to the gravity ball 52, the gravity ball 52 moves downwards under the action of self gravity, at this time, the second connecting part 40 moves downwards along with the gravity ball 52 under the traction action of the connecting rope 51 and is separated from the first connecting part 20, the movable contact 41 breaks away from the fixed contact 30 along with the movement of the second connecting part 40, so as to realize the opening function of the liquid level switch, therefore, the magnetic attraction type floating ball liquid level switch provided by the utility model can realize the opening function of the switch along with the change of the liquid level by adopting the combination of the sleeve 10, the first connecting part 20, the fixed contact 30, the second connecting part 40, the movable contact 41, the gravity ball 52 and the floating piece 53, and can avoid the phenomenon that the power wire is wound along with the floating piece 53, so that the power wire is not moved along with the floating piece 53, and the external equipment damage caused by the winding phenomenon of the power wire can be avoided, and the application range of the magnetic attraction type floating ball level switch can be applied; moreover, the connecting rope 51 sleeved by the floating piece 53 can always keep a vertical state under the influence of the gravity ball 52 and is not wound; meanwhile, the movable contact 41 and the stationary contact 30 are kept electrically connected by utilizing the engagement of the first connecting part 20 and the second connecting part 40 so as to keep the liquid level switch in a connected state, and the liquid level switch is disconnected after the gravity ball 52 descends along with the liquid level of the sleeve 10 to separate the second connecting part 40 from the first connecting part 20, so that the liquid level interval can be freely controlled according to the use requirement; in addition, the floating range of the floating member 53 can be limited by arranging the floating member 53 in the sleeve 10, so that faults and risks caused by contact between the floating member 53 and external equipment can be avoided; the liquid level of the sleeve 10 is controlled by the water inlet and outlet 11 of the sleeve 10, so that the influence of the fluctuation of the liquid level of a pool on the liquid level control of the sleeve 10 is effectively reduced, and the precision of the liquid level control is greatly improved.
The first connection part 20 includes a first magnetic element, and the second connection part 40 includes a second magnetic element 42 for magnetically attracting the first magnetic element. By using the first magnetic element for the first connecting member 20 and the second magnetic element 42 for the second connecting member 40, the first connecting member 20 and the second connecting member 40 can be easily coupled together by magnetic attraction. The first magnetic element is a first magnet, and the second magnetic element 42 is a second magnet, so that the second connecting component 40 and the first connecting component 20 can be magnetically attracted, and the cost can be reduced.
Of course, in addition to the above, the first connecting member 20 may further use a clamping seat, and the second connecting member 40 may further use a buckle, so that the second connecting member 40 may be engaged with the first connecting member 20 by means of the buckle, but the first connecting member 20 uses a first magnetic element, and the second connecting member 40 uses a second magnetic element 42 for magnetically adsorbing the first magnetic element.
The second connecting part 40 further includes a moving seat, the second magnetic element 42 is fixed on the moving seat, and the movable contact 41 is disposed on the moving seat. Specifically, the movable contact 41 is a copper contact.
The first magnetic element is in a circular ring shape, and the stationary contact 30 is positioned on the inner side of the first magnetic element. By adopting the above arrangement, the first connecting member 20 can be conveniently matched with the second connecting member 40, and the movable contact 41 can be matched with the stationary contact 30, and the space can be saved.
A water inlet cavity 12 and a mounting cavity 13 which is positioned above the water inlet cavity 12 and is communicated with the water inlet cavity 12 are formed in the sleeve 10; the water inlet and outlet 11 is communicated with the water inlet cavity 12; the first connecting part 20 and the fixed contact 30 are arranged at the top end of the mounting cavity 13, and the second connecting part 40 is movably mounted in the mounting cavity 13; the gravity ball 52 is positioned in the water inlet cavity 12; the water inlet cavity 12 is used for accommodating the floating piece 53, and the mounting cavity 13 is used for penetrating the floating piece 53. And when the liquid level in the sleeve 10 gradually rises, the floating piece 53 gradually rises from the water inlet cavity 12 to penetrate into the mounting cavity 13 under the buoyancy effect, so that the second connecting part 40 is pushed towards the first connecting part 20 when the floating piece 53 rises to the top of the sleeve 10, and the second connecting part 40 is engaged with the first connecting part 20. When the liquid level of the pool is lowered, water flows out of the sleeve 10 from the water inlet and outlet 11, the liquid level in the sleeve 10 is gradually lowered, the floating piece 53 moves out of the mounting cavity 13 along with the lowering of the liquid level in the sleeve 10, and gradually descends along the water inlet cavity 12.
The sleeve 10 comprises a top seat 14 and a cylinder 15 arranged at the lower end of the top seat 14; the installation cavity 13 is formed on the top seat 14, and the water inlet cavity 12 is formed on the cylinder 15 and extends toward the top seat 14. By adopting the above structure for the sleeve 10, the manufacturing is facilitated. Specifically, the outer diameter of the top seat 14 is larger than the outer diameter of the cylinder 15.
Specifically, the floating member 53 is a floating ball. The stationary contact 30 is a power terminal unit. When the second connecting member 40 is engaged with the first connecting member 20, the movable contact 41 is electrically connected to the stationary contact 30 so as to be pressed between the power terminal units.
The floating piece 53 is provided with a penetrating hole for the connecting rope 51 to penetrate, and the diameter of the gravity ball 52 is larger than that of the penetrating hole, so that the gravity ball 52 plays a limiting role on the floating piece 53, and the floating piece 53 is prevented from sliding out of the gravity ball 52.
The lower end of the sleeve 10 is provided with a plurality of water inlets 11. Specifically, the bottom of the cylinder 15 has a bottom baffle, and the plurality of water inlets 11 are formed on the bottom baffle.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (10)
1. A magnetic attraction type floating ball liquid level switch is characterized in that: the power line comprises a sleeve, a first connecting part arranged at the top end of the sleeve, a stationary contact arranged at the top end of the sleeve and electrically connected with a power line, a second connecting part movably arranged in the sleeve and positioned below the first connecting part, a movable contact arranged on the second connecting part, a connecting rope, a gravity ball positioned in the sleeve and a floating piece movably sleeved on the connecting rope and positioned in the sleeve; the lower end of the sleeve is provided with a water inlet and a water outlet; the upper end of the connecting rope is connected to the second connecting part, and the lower end of the connecting rope is connected to the gravity ball; the second connecting part is used for being detachably engaged with the first connecting part; the floating piece is used for pushing the second connecting component to the first connecting component so as to enable the second connecting component to be engaged with the first connecting component; when the second connecting part is connected with the first connecting part, the movable contact is electrically connected with the static contact.
2. The magnetically attractable float level switch of claim 1, wherein: the first connection part includes a first magnetic element, and the second connection part includes a second magnetic element for magnetically attracting the first magnetic element.
3. The magnetically attractable float level switch of claim 2, wherein: the first magnetic element is a first magnet, and the second magnetic element is a second magnet.
4. The magnetically attractable float level switch of claim 2, wherein: the second connecting part further comprises a movable seat, the second magnetic element is fixed on the movable seat, and the movable contact is arranged on the movable seat.
5. The magnetically attractable float level switch of claim 2, wherein: the first magnetic element is in a circular ring shape, and the stationary contact is positioned on the inner side of the first magnetic element.
6. The magnetically attractable float level switch of claim 1, wherein: a water inlet cavity and a mounting cavity which is positioned above the water inlet cavity and communicated with the water inlet cavity are formed in the sleeve; the water inlet and outlet are communicated with the water inlet cavity; the first connecting component and the stationary contact are both arranged at the top end of the mounting cavity, and the second connecting component is movably mounted in the mounting cavity; the gravity ball is positioned in the water inlet cavity; the water inlet cavity is used for accommodating the floating piece, and the mounting cavity is used for penetrating the floating piece.
7. The magnetically attractable float level switch of claim 6, wherein: the sleeve comprises a top seat and a cylinder body arranged at the lower end of the top seat; the installation cavity is formed on the top seat, and the water inlet cavity is formed on the cylinder body and extends towards the direction of the top seat.
8. The magnetically attractable float level switch of claim 1, wherein: the floating piece is provided with a penetrating hole for the connecting rope to penetrate, and the diameter of the gravity ball is larger than that of the penetrating hole.
9. The magnetically attractable float level switch of claim 1, wherein: the stationary contact is a power supply terminal unit.
10. The magnetically attractable float level switch of claim 1, wherein: the lower end of the sleeve is provided with a plurality of water inlets and water outlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321915010.9U CN220324362U (en) | 2023-07-20 | 2023-07-20 | Magnetic attraction type floating ball liquid level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321915010.9U CN220324362U (en) | 2023-07-20 | 2023-07-20 | Magnetic attraction type floating ball liquid level switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220324362U true CN220324362U (en) | 2024-01-09 |
Family
ID=89418383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321915010.9U Active CN220324362U (en) | 2023-07-20 | 2023-07-20 | Magnetic attraction type floating ball liquid level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220324362U (en) |
-
2023
- 2023-07-20 CN CN202321915010.9U patent/CN220324362U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |