CN201796817U - Liquid level switch and float device for liquid level switch - Google Patents
Liquid level switch and float device for liquid level switch Download PDFInfo
- Publication number
- CN201796817U CN201796817U CN2010200014162U CN201020001416U CN201796817U CN 201796817 U CN201796817 U CN 201796817U CN 2010200014162 U CN2010200014162 U CN 2010200014162U CN 201020001416 U CN201020001416 U CN 201020001416U CN 201796817 U CN201796817 U CN 201796817U
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- ball float
- connecting rod
- level switch
- liquid
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Abstract
A float device for a liquid level switch comprises a float made of plastics and a connecting rod integrally formed, wherein the connecting rod extends backward from the float, a bump type pivot portion is formed on the connecting rod, and a magnet is embedded into the tail end of the connecting rod so as to trigger a magnetic induction switch device, thereby achieving the purpose of controlling on and off of a switch.
Description
Technical field
The utility model relates to a kind of utilization floats to the ball float controlling switch keying of different high and low positions with liquid level floating ball device.
Background technology
Such as the existing float-ball type liquid-level switch that Taiwan utility model application M319435 is disclosed, be to adopt an existing liquid-level switch to open and close with control switch with floating ball device detecting liquid level height.Aforementioned liquid-level switch floating ball device be include one with the hollow ball float of metal material manufacturing and with metal material manufacturing and the connecting rod that extends back from aforementioned ball float, wherein this connecting rod end is provided with a magnetite to trigger the sense magnetic switching device of existing float-ball type liquid-level switch, opens and closes and be able to control switch.Yet existing liquid-level switch is made with metal material with the ball float and the connecting rod of floating ball device, so its manufacturing cost is high.The float switch weight of metal manufacturing is heavier again, therefore ball float must use sheet metal or strengthen its volume, to meet its buoyancy requirement, the right sheet metal that uses influences its function because of withstand voltage deficiency and collision easily, and strengthen the ball float volume and thicken thin plate, it for flange or the bore of the age of a draught animal that the required installation of this existing ball float is set also must and then strengthen, does not therefore meet light, thin, the short and small and low-cost requirement of modern product except that increasing cost; Therefore existing as can be known liquid-level switch still has many shortcomings to demand urgently improving with floating ball device.
The utility model content
Because the aforementioned existing liquid-level switch shortcoming of floating ball device, the purpose of this utility model is to provide a kind of low cost and liquid-level switch floating ball device easy to use.
Because the aforementioned existing liquid-level switch shortcoming of floating ball device, the purpose that makes of the present utility model is to provide a kind of liquid-level switch.
The technological means that the utility model adopted is to make liquid-level switch include hollow ball float and a plastic material system and the integrated connecting rod of a plastic material system with floating ball device.This connecting rod is to be incorporated into the rear end of this ball float and the connecting rod that extends back of this ball float certainly.This connecting rod has a connecting rod front end that is incorporated into this ball float, magnetite and that a connecting rod end, is embedded in this connecting rod end is formed between this connecting rod front end and the connecting rod end and be the pivoting part of projection shape.
According to the described liquid-level switch floating ball device of the utility model preferred embodiment, its aforementioned connecting rod front end is the rear end that is incorporated into aforementioned ball float one-body moldedly.
According to the described liquid-level switch floating ball device of the utility model preferred embodiment, its aforementioned connecting rod front end is the rear end that removably is incorporated into aforementioned ball float.
According to the described liquid-level switch floating ball device of the utility model preferred embodiment, its aforementioned ball float rear end is formed with a screw part, on the periphery wall of aforementioned connecting rod in the other external screw thread that is matched with aforementioned screw part that is formed with of aforementioned connecting rod front end.
According to the described liquid-level switch floating ball device of the utility model preferred embodiment, its aforementioned screw part is from the rearwardly projecting cylindrical shell in aforementioned ball float rear end, and is formed with the aforementioned externally threaded internal thread of a coupling on the internal perisporium of aforementioned screw part.
According to the described liquid-level switch floating ball device of the utility model preferred embodiment, its aforementioned ball float is elongated capsule shape.
According to the described liquid-level switch floating ball device of the utility model preferred embodiment, its aforementioned ball float is spherical.
According to the described liquid-level switch floating ball device of the utility model preferred embodiment, its aforementioned ball float is rectangular shape.
According to the described liquid-level switch floating ball device of the utility model preferred embodiment, its aforementioned ball float includes the ball float lid that a ball float body and that is formed with an opening is covered on aforementioned opening.
The utility model also provides a kind of liquid-level switch, comprise an above-mentioned floating ball device and a sense magnetic switching device, the sense magnetic switching device further comprises terminal box, flange stator and ball float bracing frame, terminal box, flange stator and ball float bracing frame plastic cement penetrate one-body molded, and floating ball device is hubbed among the ball float bracing frame.
Because ball float and connecting rod have said structure, can reduce cost when therefore making, as long as plastic material utilizes simple hot melt promptly plastic with ejection formation again, and plastic cement proportion is light than metal, so it is too thin that the wall thickness of ball float can not need, therefore can reach withstand voltage and the purpose of not being afraid of collision, and between connecting rod front end and the connecting rod end and the pivoting part that is the projection shape also can bear the wearing and tearing that brought when pivoting because of the integrated design of connecting rod, in addition, the also therefore special structural design of the magnetite that connecting rod end is placed can be coated fully, therefore can not run into liquid during use, be suitable for the environment of soda acid and can fault most.Therefore the utility model can reduce manufacturing cost and easy to use really, and can improve the shortcoming of existing liquid-level switch with floating ball device.
Description of drawings
Fig. 1 is the stereogram of the utility model first embodiment;
Fig. 2 is the sectional side view of the utility model first embodiment;
Fig. 3 is the stereogram of the utility model second embodiment;
Fig. 4 is the sectional side view of the utility model second embodiment;
Fig. 5 is the three-dimensional exploded view of the utility model the 3rd embodiment;
Fig. 6 is the stereogram of the utility model the 4th embodiment;
Fig. 7 is the stereogram of the utility model the 5th embodiment.
Embodiment
See also Fig. 1 and Fig. 2, liquid-level switch of the present utility model includes the connecting rod (20) that a hollow ball float (10) made from plastic material and forms with the one-body molded manufacturing of plastic material with first embodiment of floating ball device.Aforementioned connecting rod (20) is incorporated into the rear end of aforementioned ball float (10) and extends back from aforementioned ball float (10), and it has a connecting rod front end (21) that is incorporated into aforementioned ball float (10), magnetite (23) and that a connecting rod end (22), is embedded in aforementioned connecting rod end (22) is formed between aforementioned connecting rod front end (21) and the connecting rod end (22) and the pivoting part (24) that is the projection shape.By making the integrated formed structure of not disjunction of aforementioned connecting rod (20), can allow this connecting rod (20) more can bear the wearing and tearing that brought when pivoting.
In first embodiment, aforementioned connecting rod front end (21) can be incorporated into the rear end of aforementioned ball float (10) one-body moldedly, with such as manufacture methods such as plastic rubber ejaculate moldings, utilize simple hot melt to make and make aforementioned ball float (10) and aforementioned connecting rod (20) constitute the integral body of a not disjunction.In the possible embodiments of first embodiment, aforementioned ball float (10) is elongated capsule shape.Make again on this ball float that is elongated capsule shape (10) periphery wall being formed with the ring-type rib, to improve structural strength.
Liquid-level switch floating ball device of the present utility model is to cooperate a sense magnetic switching device (as shown in Figure 7) to use, therefore, the utility model also provides a kind of liquid-level switch, comprise an above-mentioned floating ball device and a sense magnetic switching device, the sense magnetic switching device further comprises terminal box, flange stator and ball float bracing frame, in preferred embodiment of the present utility model, it is one-body molded that terminal box, flange stator and ball float bracing frame adopt plastic cement to penetrate, and floating ball device is hubbed among the ball float bracing frame.Because other structures of this sense magnetic switching device belong to known techniques, do not give unnecessary details now and omit.During use, the liquid-level switch of the present utility model that is pivoted is equipped with in the container (not shown) of a liquid (not shown) in one with floating ball device, and makes liquid-level switch of the present utility model be positioned at the place ahead of aforementioned flange (A) with floating ball device.Under the usual condition, liquid-level switch of the present utility model is hubbed among the ball float bracing frame (B) corresponding to aforementioned flange (A) with floating ball device.In the present embodiment, this ball float bracing frame (B) is tubular.But, need to prove that this ball float bracing frame also can be " n " type.Therefore, when aforementioned ball float (10) floats with the liquid level of aforementioned liquids, drivening rod (20) pivots and aforementioned magnetite (23) is relatively moved simultaneously, and then triggers aforementioned magnetic sensible switch device and reach the purpose that control switch opens and closes.
Therefore have desirable structural strength owing to aforementioned pivoting part (24) is the projection shape, can bear the wearing and tearing that pivot brings and guarantee liquid-level switch of the present utility model floating ball device normal operation.Because plastic cement proportion be gently than metal, the wall thickness of the ball float too weak shape that can not need be shaped.Make ball float have suitable wall thickness and form abundant external form because plastic cement buoyancy is better than metal, therefore can reach withstand voltage be not afraid of collision in, also reach the purpose that enough buoyancy is provided.When aforementioned ball float (10) and connecting rod (20) all adopt when being better than the made of metal such as buoyancy such as plastic cement, because of the cost of plastic material usually far below the cost of metal material, aforementioned ball float (10) and connecting rod (20) also help to save manufacturing cost of the present utility model outside desirable buoyancy is provided.Again because plastic material processing is easy; therefore can easily aforementioned magnetite (23) be embedded in aforementioned connecting rod end (22); magnetite (23) is coated in the plastic material and obtains the effect of protection magnetite (23), thereby be suitable for the environment of soda acid and can not cause causing the problem of fault under the environment of soda acid because of magnetite (23) is damaged by corrosion.
See also Fig. 3 and Fig. 4, liquid-level switch of the present utility model includes a ball float (10A) and a connecting rod (20A) equally with second embodiment of floating ball device.And aforementioned ball float (10A) also is the ducted body made from plastic material, and aforementioned connecting rod (20A) extends back with the one-body molded manufacturing of plastic material and from aforementioned ball float (10A) equally.In addition, aforementioned connecting rod (20A) also has the pivoting part (24A) that magnetite (23A) and that a connecting rod front end (21A) in conjunction with aforementioned ball float (10A), a connecting rod end (22A), be embedded in aforementioned connecting rod end (22A) is formed between aforementioned connecting rod front end (21A) and the connecting rod end (22A) and is the projection shape.
The utility model second embodiment differs from the aforementioned first embodiment part and is: aforementioned connecting rod front end (21A) is the rear end that removably is incorporated into aforementioned ball float (10A).In the possible embodiments of second embodiment, aforementioned ball float (10A) rear end is formed with a screw part (11A), is formed with the external screw thread (25A) of a coupling and aforementioned screw part (11A) on the periphery wall of aforementioned connecting rod (20A) in aforementioned connecting rod front end (21A) side.Aforementioned screw part (11A) can form from the rearwardly projecting cylindrical shell in aforementioned ball float (10A) rear end, and is formed with the internal thread (15A) of an aforementioned external screw thread of coupling (25A) on the internal perisporium of aforementioned screw part (11A).Aforementioned again ball float (10A) also can form spherical.
The using method of the utility model second embodiment is identical with the using method of first embodiment.But because aforementioned connecting rod front end (21A) is the rear end that removably is incorporated into aforementioned ball float (10A) in a second embodiment, therefore same connecting rod (20A) can cooperate difform ball float (10A) to use, same ball float (10A) also can cooperate the connecting rod (20A) of different length to use, and the user can cooperate actual demand to use flexibly by this.
See also Fig. 5, in the utility model the 3rd embodiment, its ball float (10C) includes the ball float lid (12C) that a ball float body (11C) and that is formed with an opening (13C) is covered on aforementioned opening (13C).In the present embodiment, ball float (10C) is elongated capsule shape.But, need to prove that ball float of the present utility model (10C) has more than and is limited to elongated capsule shape.For example, it also can be spherical, rectangular shape or other shapes.Therefore, adopting elongated capsule shape with upper floating ball (10C) is an example, and be used to limit the utility model.
By all ball floats of the 3rd embodiment as described above (10C) structure, can further allow the utility model can cooperate more diversified practice demand and used, and isolating construction by aforementioned ball float body (11C) and ball float lid (12C), can be respectively to make aforementioned ball float body (11C) and ball float lid (12C) more expediently such as modes such as injection moldings, again with it in conjunction with to constitute aforementioned ball float (10C).
See also Fig. 6, the utility model the 4th embodiment generally is same as aforementioned first embodiment, it also has a ball float (10) and a connecting rod (20), it is different from the aforementioned first embodiment part and is, the utility model the 4th embodiment is arranged at a ball float bracing frame (B ') with aforementioned connecting rod (20), and this ball float bracing frame (B ') constituted by two parallel plate bodys, and this ball float bracing frame (B ') be integrated with aforementioned flange (A).Aforementioned again flange (A) and aforementioned ball float bracing frame (B ') also can be by the plastic material manufacturing.Further, see also Fig. 7, in the 5th embodiment of the present utility model, aforementioned flange (A) and aforementioned ball float bracing frame (B ') and terminal box (C) three plastic cement penetrate one-body molded.
Structure of the present utility model from the above and using method thereof, it really can provide a kind of low cost and liquid-level switch floating ball device easy to use.
More than disclosed only be several specific embodiment of the present utility model, but the utility model is not limited thereto, any those skilled in the art can think variation, all should drop in the protection range of the present utility model.
Claims (11)
1. a liquid-level switch floating ball device is characterized in that, comprising:
The ball float of one plastic material system is a ducted body;
One connecting rod, the shape of the moulding that forms as one; It is incorporated into the rear end of aforementioned ball float and extends back from aforementioned ball float, and has a connecting rod front end that is incorporated into aforementioned ball float, magnetite and that a connecting rod end, is embedded in aforementioned connecting rod end is formed between aforementioned connecting rod front end and the connecting rod end and is the pivoting part of projection shape.
2. liquid-level switch floating ball device as claimed in claim 1 is characterized in that, aforementioned connecting rod front end is the rear end that is incorporated into aforementioned ball float one-body moldedly.
3. liquid-level switch floating ball device as claimed in claim 1 is characterized in that, aforementioned connecting rod front end is the rear end that removably is incorporated into aforementioned ball float.
4. liquid-level switch floating ball device as claimed in claim 3 is characterized in that, aforementioned ball float rear end is formed with a screw part, on the periphery wall of aforementioned connecting rod in the other external screw thread that is matched with aforementioned screw part that is formed with of aforementioned connecting rod front end.
5. liquid-level switch floating ball device as claimed in claim 4 is characterized in that, aforementioned screw part is from the rearwardly projecting cylindrical shell in aforementioned ball float rear end, and is formed with the aforementioned externally threaded internal thread of a coupling on the internal perisporium of aforementioned screw part.
6. as each described liquid-level switch floating ball device in the claim 1 to 5, it is characterized in that aforementioned ball float is elongated capsule shape.
7. as each described liquid-level switch floating ball device in the claim 1 to 5, it is characterized in that aforementioned ball float is spherical.
8. as each described liquid-level switch floating ball device in the claim 1 to 5, it is characterized in that aforementioned ball float is rectangular shape.
9. liquid-level switch floating ball device as claimed in claim 6 is characterized in that, aforementioned ball float includes the ball float lid that a ball float body and that is formed with an opening is covered on aforementioned opening.
10. liquid-level switch floating ball device as claimed in claim 8 is characterized in that, aforementioned ball float includes the ball float lid that a ball float body and that is formed with an opening is covered on aforementioned opening.
11. a liquid-level switch is characterized in that, comprises a floating ball device and a sense magnetic switching device, the liquid-level switch floating ball device comprises: the ball float of a plastic material system is a ducted body; One connecting rod, the shape of the moulding that forms as one; It is incorporated into the rear end of aforementioned ball float and extends back from aforementioned ball float, and have a connecting rod front end that is incorporated into aforementioned ball float, magnetite and that a connecting rod end, is embedded in aforementioned connecting rod end is formed between aforementioned connecting rod front end and the connecting rod end and is the pivoting part of projection shape, described sense magnetic switching device further comprises terminal box, flange stator and ball float bracing frame, described terminal box, flange stator and ball float bracing frame plastic cement penetrate one-body molded, and described floating ball device is hubbed among the described ball float bracing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200014162U CN201796817U (en) | 2010-01-06 | 2010-01-06 | Liquid level switch and float device for liquid level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200014162U CN201796817U (en) | 2010-01-06 | 2010-01-06 | Liquid level switch and float device for liquid level switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201796817U true CN201796817U (en) | 2011-04-13 |
Family
ID=43851718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200014162U Expired - Lifetime CN201796817U (en) | 2010-01-06 | 2010-01-06 | Liquid level switch and float device for liquid level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201796817U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815476A (en) * | 2012-09-14 | 2012-12-12 | 苏州盛天力离心机制造有限公司 | Tank body protecting device for flammable and combustible liquid transport vehicle |
| CN104035454A (en) * | 2014-06-26 | 2014-09-10 | 济钢集团有限公司 | Liquid level control device |
| CN107575213A (en) * | 2017-10-12 | 2018-01-12 | 延安大学 | A kind of underground full-automatic intelligent foam discharging agent delivery device |
| CN109959430A (en) * | 2017-12-24 | 2019-07-02 | 杨佳悦 | A kind of tongue tube water level switch |
-
2010
- 2010-01-06 CN CN2010200014162U patent/CN201796817U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815476A (en) * | 2012-09-14 | 2012-12-12 | 苏州盛天力离心机制造有限公司 | Tank body protecting device for flammable and combustible liquid transport vehicle |
| CN104035454A (en) * | 2014-06-26 | 2014-09-10 | 济钢集团有限公司 | Liquid level control device |
| CN107575213A (en) * | 2017-10-12 | 2018-01-12 | 延安大学 | A kind of underground full-automatic intelligent foam discharging agent delivery device |
| CN107575213B (en) * | 2017-10-12 | 2021-05-14 | 延安大学 | Full-automatic intelligent foam discharging agent feeding device for underground |
| CN109959430A (en) * | 2017-12-24 | 2019-07-02 | 杨佳悦 | A kind of tongue tube water level switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110413 |
|
| CX01 | Expiry of patent term |