CN110706972B - Novel liquid level switch - Google Patents
Novel liquid level switch Download PDFInfo
- Publication number
- CN110706972B CN110706972B CN201910967344.2A CN201910967344A CN110706972B CN 110706972 B CN110706972 B CN 110706972B CN 201910967344 A CN201910967344 A CN 201910967344A CN 110706972 B CN110706972 B CN 110706972B
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- Prior art keywords
- liquid level
- buoyancy
- water tank
- sliding plug
- motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/18—Switches operated by change of liquid level or of liquid density, e.g. float switch
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- Level Indicators Using A Float (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention relates to a novel liquid level switch, which comprises a water tank and is characterized in that: the novel liquid level switch indirectly starts the motor through the buoyancy effect generated by the rising of the water level, so that the gear is driven to control the opening of the water valve, and the automatic control of the liquid level of the water tank is realized. The novel liquid level switch is arranged on the water tank in an integral structure, occupies a small space and saves space resources.
Description
Technical Field
The invention relates to the technical field of liquid level switches, in particular to a novel liquid level switch.
Background
The liquid level switch is used for detecting the liquid level height, is widely applied to the fields of household appliances, automobiles and the like, mainly comprises a contact type liquid level switch and a non-contact type liquid level switch in form, and is most widely applied to the contact type floating ball type liquid level switch.
Chinese publication is CN 205810686U's utility model patent discloses a novel liquid level switch, mentions among the technical scheme of this utility model patent that the buoyancy that utilizes the floater drives the mount and shifts up for the mount upper end upwards extrudes the button, thereby opens big gear switch indirectly through the buoyancy that the water level rises and brings, realizes the drainage. But mount and button among this utility model all install on fixed board through the spout, and the structure is more complicated, and occupation space is great relatively moreover.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel liquid level switch to solve the problems of complex structure and large occupied space of the liquid level switch in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a novel liquid level switch, including the water tank, its innovation point lies in: the water tank is characterized by further comprising a liquid level transmission mechanism and a drainage mechanism, wherein the liquid level transmission mechanism is arranged on the inner side wall of the water tank, the drainage mechanism is arranged on the outer side wall of the water tank corresponding to the liquid level transmission mechanism, the liquid level transmission mechanism and the drainage mechanism are connected through a connecting piece, the connecting piece and the water tank are integrally formed,
the liquid level transmission mechanism comprises a buoyancy ball, a buoyancy rod sleeve, a sliding plug and a key, the buoyancy rod is arranged above the buoyancy ball and fixed with the buoyancy ball, the sliding plug is arranged in the buoyancy rod sleeve, the outer surface of the sliding plug is tightly connected with the inner surface of the buoyancy rod sleeve, the sliding plug can slide in the buoyancy rod sleeve under external force, the upper end of the buoyancy rod extends upwards and is sleeved in the buoyancy rod sleeve, the upper end of the buoyancy rod penetrates through the center of the sliding plug, the upper end of the buoyancy rod is fixed with the sliding plug, the key is arranged at the top in the buoyancy rod sleeve, and the upper surface of the buoyancy rod sleeve and one end of a connecting piece are fixed;
drainage mechanism includes motor, final drive shaft, action wheel, follows driving shaft, water valve and drain pipe, the other end that water tank lateral surface and connecting piece are located to the motor, the motor is connected with the final drive shaft transmission, final drive shaft connection action wheel, follow driving wheel and action wheel intermeshing, follow driving shaft one end from driving wheel connection, follow transmission shaft other end fixed connection water valve, the drain pipe is installed in the water tank side, the water valve is installed on the drain pipe.
Furthermore, the outer surface of the buoyancy rod is provided with threads, a nut is fixed on the buoyancy rod, and the nut is arranged at the lower end of the sliding plug.
Furthermore, a touch iron sheet is fixed at the upper end of the sliding plug.
Further, the liquid level transmission mechanism further comprises a plurality of fixing rings, and the fixing rings are evenly fastened on the periphery of the sliding plug.
Furthermore, the sliding plug is made of rubber, and the fixing ring is made of metal.
Furthermore, the connecting piece is hollow, and a connecting wire for connecting the key and the motor is arranged in the connecting piece.
Further, the connection circuit structure of the key and the motor is as follows: including power V, button S, inductance L, resistance R and motor M, power V 'S positive pole is connected to inductance L' S one end, inductance L 'S other end connecting resistance R' S one end, the motor is connected to resistance R 'S the other end, button S' S one end is still connected to the motor, button S 'S the other end connection power V' S negative pole.
Furthermore, the buoyancy ball type water tank further comprises a limiting plate, wherein the limiting plate is fixed on the inner side surface of the water tank, and the limiting plate is arranged below the buoyancy ball.
Furthermore, two connecting columns symmetrically extend out of the end face, close to the water valve, of the transmission shaft, penetrate through the water valve and are fixed with the water valve through bolts.
Compared with the prior art, the invention has the following beneficial effects:
(1) the novel liquid level switch indirectly starts the motor through the buoyancy effect generated by rising of the water level, so that the gear is driven to control the opening of the water valve, the liquid level of the water tank is automatically controlled, the structure is relatively simple, the use is convenient and fast, and manual drainage control is not needed.
(2) The novel liquid level switch is arranged on the water tank in an integral structure, occupies a small space and saves space resources.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front cross-sectional view of a novel level switch of the present invention.
FIG. 2 is a side view of a novel level switch of the present invention.
Fig. 3 is a schematic structural diagram of a liquid level transmission mechanism of the novel liquid level switch.
Fig. 4 is a schematic view of the connection between the driven shaft and the water valve of the novel liquid level switch.
Fig. 5 is a circuit diagram of the connection between the key and the motor according to the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described by the following detailed description.
The invention provides a novel liquid level switch, which comprises a water tank 1, a liquid level transmission mechanism and a drainage mechanism, wherein the specific structure of the novel liquid level switch is shown in figures 1 and 2, the liquid level transmission mechanism is arranged on the inner side wall of the water tank 1, the drainage mechanism is arranged on the outer side wall of the water tank 1 corresponding to the liquid level transmission mechanism, the liquid level transmission mechanism and the drainage mechanism are connected through a connecting piece 2, and the connecting piece 2 and the water tank 1 are integrally formed so as to ensure that no water exists at the connecting part of the liquid level transmission mechanism and the drainage mechanism. The invention also comprises a limiting plate 3, wherein the limiting plate 3 is fixed on the inner side surface of the water tank 1, the limiting plate 3 is arranged below the buoyancy ball 4, the water tank 1 is made of iron, and the limiting plate 3 is arranged to limit the lowest position of the buoyancy ball 4 and prevent the buoyancy ball 4 from being in contact with the bottom surface of the water tank 1 when the water level is too low to cause over-quick damage to the buoyancy ball 4.
The liquid level transmission mechanism of the novel liquid level switch comprises a buoyancy ball 4, a buoyancy rod 5, a buoyancy rod sleeve 6, a sliding plug 7 and a button 8, wherein the buoyancy rod 5 is arranged above the buoyancy ball 4 and is fixed with the buoyancy ball 4, the buoyancy ball 4 and the buoyancy rod 5 can generate large buoyancy, the sliding plug 7 is arranged in the buoyancy rod sleeve 6, the outer surface of the sliding plug 7 is tightly connected with the inner surface of the buoyancy rod sleeve 6, the sliding plug 7 can slide in the buoyancy rod sleeve 6 under the action of external force, and the sliding plug 7 is made of rubber and is used for generating certain friction force in the process of receiving the external force and preventing water from entering the buoyancy rod sleeve 6 to damage an electronic circuit. A touch iron sheet 9 is fixed on the upper end of the sliding plug 7 and is used for effectively contacting with the key 8. The 5 upper ends of buoyancy pole upwards extend and cup joint in buoyancy pole cover 6, and 5 upper ends of buoyancy pole run through slip embolism 7 center, and 5 surfaces of buoyancy pole are equipped with the screw thread, are fixed with a nut 10 on the buoyancy pole 5, and 7 lower extremes of slip embolism are located to nut 10 for 5 upper ends of buoyancy pole are fixed with slip embolism 7, and when being convenient for receive buoyancy, buoyancy pole 5 drives slip embolism 7 and removes. The key 8 is arranged at the top in the buoyancy rod sleeve 6, and the upper surface of the buoyancy rod sleeve 6 is fixed with one end of the connecting piece 2. The liquid level transmission mechanism also comprises a plurality of fixing rings 11, the fixing rings 11 are uniformly fastened on the periphery of the sliding plug 7 to prevent the sliding plug 7 from deforming too much, and the fixing rings 11 are made of metal.
The invention discloses a novel drainage mechanism of a liquid level switch, which comprises a motor 12, a main transmission shaft 13, a driving wheel 14, a driven wheel 15, a driven transmission shaft 16, a water valve 17 and a drainage pipe 18, wherein the motor 12 is arranged on the outer side surface of a water tank 1 and connected with the other end of a connecting piece 2, the motor 12 is in transmission connection with the main transmission shaft 13, the driving wheel 14 is connected with a main rotating shaft 13, the driven wheel 15 is meshed with the driving wheel 14, the driven wheel 15 is connected with one end of the driven transmission shaft 16, the water valve 17 is fixedly connected with the other end of the transmission shaft 16, the mode of connecting the water valve 17 is shown in figure 4, two connecting columns 19 symmetrically extend out of the end surface of the transmission shaft 16 close to the water valve 17, the two connecting columns 19 penetrate through the water valve 17 and are fixed with the water valve 17 through bolts 20, so that the motor 12 indirectly drives the rotation of the water valve 17 to control drainage. A drain pipe 18 is installed at a side of the water tank 1, and a water valve 17 is installed on the drain pipe 18.
The connecting piece 2 is hollow, and a connecting wire for connecting the key 8 and the motor 12 is arranged in the connecting piece 2. The connection circuit structure of the key and the motor is shown in fig. 5 and comprises a power supply V, a key S, an inductor L, a resistor R and a motor M, wherein one end of the inductor L is connected with the positive pole of the power supply V, the other end of the inductor L is connected with one end of the resistor R, the other end of the resistor R is connected with the motor, the motor is further connected with one end of the key S, and the other end of the key S is connected with the negative pole of the power supply V. The connection of the circuit can be controlled by pressing the button 8 to start the motor 12, thereby indirectly controlling the water valve 17.
The use principle of the novel liquid level switch is as follows: in water 1, along with the rising of the water level, the gradually increased buoyancy drives the buoyancy ball 4 and the buoyancy rod 5 to rise, the rising of the buoyancy rod 5 drives the sliding plug 7 inside the buoyancy rod sleeve 6 to gradually slide upwards, when the water level rises to enable the touch iron sheet 9 to contact the button 8 at the top inside the buoyancy rod sleeve 6, the button 8 is connected with a circuit of the motor 12, the motor 12 on the outer side surface of the water tank 1 is started, the motor 12 rotates and drives the driving wheel 14 to rotate through the main transmission shaft 13, the driving wheel 14 rotates and drives the driven wheel 15 to rotate due to the meshing of the driving wheel 14 and the driven wheel 15, the driven wheel 15 rotates and rotates to rotate through the driven transmission shaft 16 to rotate the water valve 17, and the water valve 17 rotates to open the drain pipe 18, so that water drainage is realized.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art should fall into the protection scope of the present invention without departing from the design concept of the present invention, and the technical contents of the present invention as claimed are all described in the technical claims.
Claims (7)
1. The utility model provides a novel liquid level switch, includes the water tank, its characterized in that: the water tank is characterized by further comprising a liquid level transmission mechanism and a drainage mechanism, wherein the liquid level transmission mechanism is arranged on the inner side wall of the water tank, the drainage mechanism is arranged on the outer side wall of the water tank corresponding to the liquid level transmission mechanism, the liquid level transmission mechanism and the drainage mechanism are connected through a connecting piece, the connecting piece and the water tank are integrally formed,
the liquid level transmission mechanism comprises a buoyancy ball, a buoyancy rod sleeve, a sliding plug and a key, the buoyancy rod is arranged above the buoyancy ball and fixed with the buoyancy ball, the sliding plug is arranged in the buoyancy rod sleeve, the outer surface of the sliding plug is tightly connected with the inner surface of the buoyancy rod sleeve, the sliding plug can slide in the buoyancy rod sleeve under external force, the upper end of the buoyancy rod extends upwards and is sleeved in the buoyancy rod sleeve, the upper end of the buoyancy rod penetrates through the center of the sliding plug, the upper end of the buoyancy rod is fixed with the sliding plug, the key is arranged at the top in the buoyancy rod sleeve, and the upper surface of the buoyancy rod sleeve and one end of a connecting piece are fixed;
the liquid level transmission mechanism also comprises a plurality of fixing rings which are uniformly fastened on the periphery of the sliding plug; the sliding plug is made of rubber, and the fixing ring is made of metal;
drainage mechanism includes motor, final drive shaft, action wheel, follows driving shaft, water valve and drain pipe, the other end that water tank lateral surface and connecting piece are located to the motor, the motor is connected with the final drive shaft transmission, final drive shaft hub connection action wheel, follow driving wheel and action wheel intermeshing, follow driving shaft one end from driving wheel connection, follow transmission shaft other end fixed connection water valve, the drain pipe is installed in the water tank side, the water valve is installed on the drain pipe.
2. The novel liquid level switch of claim 1, wherein: the outer surface of the buoyancy rod is provided with threads, a nut is fixed on the buoyancy rod, and the nut is arranged at the lower end of the sliding plug.
3. The novel liquid level switch of claim 1, wherein: the upper end of the sliding plug is fixed with a touch iron sheet.
4. The novel liquid level switch of claim 1, wherein: the connecting piece is hollow, and a connecting wire for connecting the key and the motor is arranged in the connecting piece.
5. The novel liquid level switch of claim 4, wherein: the connection circuit structure of button and motor does: including power V, button S, inductance L, resistance R and motor M, power V 'S positive pole is connected to inductance L' S one end, inductance L 'S other end connecting resistance R' S one end, the motor is connected to resistance R 'S the other end, button S' S one end is still connected to the motor, button S 'S the other end connection power V' S negative pole.
6. The novel liquid level switch of claim 1, wherein: the water tank is characterized by further comprising a limiting plate, wherein the limiting plate is fixed on the inner side face of the water tank, and the limiting plate is arranged below the buoyancy ball.
7. The novel liquid level switch of claim 1, wherein: two connecting columns symmetrically extend from the end face, close to the water valve, of the transmission shaft, penetrate through the water valve and are fixed with the water valve through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910967344.2A CN110706972B (en) | 2019-10-12 | 2019-10-12 | Novel liquid level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910967344.2A CN110706972B (en) | 2019-10-12 | 2019-10-12 | Novel liquid level switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110706972A CN110706972A (en) | 2020-01-17 |
| CN110706972B true CN110706972B (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910967344.2A Active CN110706972B (en) | 2019-10-12 | 2019-10-12 | Novel liquid level switch |
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| CN (1) | CN110706972B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19603568A1 (en) * | 1996-02-01 | 1997-10-09 | Daimler Benz Ag | Steering for motor vehicles |
| CN104210023A (en) * | 2014-08-27 | 2014-12-17 | 郑旭 | Efficient concrete mixer |
| CN205810686U (en) * | 2016-06-21 | 2016-12-14 | 新昌县富士精工科技有限公司 | A kind of Novel liquid level switch |
| CN206236607U (en) * | 2016-12-20 | 2017-06-09 | 中节能（石家庄）环保能源有限公司 | Display type float-type adjustable water pit level controlling switch on the spot |
| CN207074383U (en) * | 2017-09-05 | 2018-03-06 | 赵美丽 | Liquid-level auto-control device |
| CN208356528U (en) * | 2018-05-14 | 2019-01-11 | 合肥创想能源环境科技有限公司 | A kind of fruit juice filter based on super infiltration film |
| CN209015979U (en) * | 2018-12-04 | 2019-06-21 | 佛山市斯凯韦尔电子有限公司 | A kind of liquid-level switch having protective device |
-
2019
- 2019-10-12 CN CN201910967344.2A patent/CN110706972B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19603568A1 (en) * | 1996-02-01 | 1997-10-09 | Daimler Benz Ag | Steering for motor vehicles |
| CN104210023A (en) * | 2014-08-27 | 2014-12-17 | 郑旭 | Efficient concrete mixer |
| CN205810686U (en) * | 2016-06-21 | 2016-12-14 | 新昌县富士精工科技有限公司 | A kind of Novel liquid level switch |
| CN206236607U (en) * | 2016-12-20 | 2017-06-09 | 中节能（石家庄）环保能源有限公司 | Display type float-type adjustable water pit level controlling switch on the spot |
| CN207074383U (en) * | 2017-09-05 | 2018-03-06 | 赵美丽 | Liquid-level auto-control device |
| CN208356528U (en) * | 2018-05-14 | 2019-01-11 | 合肥创想能源环境科技有限公司 | A kind of fruit juice filter based on super infiltration film |
| CN209015979U (en) * | 2018-12-04 | 2019-06-21 | 佛山市斯凯韦尔电子有限公司 | A kind of liquid-level switch having protective device |
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| CN110706972A (en) | 2020-01-17 |
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