CN2296415Y - Automatic water pumping and stopping device - Google Patents
Automatic water pumping and stopping device Download PDFInfo
- Publication number
- CN2296415Y CN2296415Y CN 96201817 CN96201817U CN2296415Y CN 2296415 Y CN2296415 Y CN 2296415Y CN 96201817 CN96201817 CN 96201817 CN 96201817 U CN96201817 U CN 96201817U CN 2296415 Y CN2296415 Y CN 2296415Y
- Authority
- CN
- China
- Prior art keywords
- feeler lever
- stopping device
- contact
- movable feeler
- fixed
- 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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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an automatic water pumping and stopping device which is used for controlling a motor which drives a water pump which pumps water for ponds. The automatic water pumping and stopping device is composed of a static contact and a movable contact which are respectively arranged on the front ends of a static contact rod and a movable contact rod, and the middle part of the movable contact rod is provided with a support point. The movable contact and the static contact are closed or opened by the utilization of lever principle, and the motor is rotated or stopped. Floatage and gravity which are generated by a fixed floating ball and a movable floating ball which are arranged on the back end of the movable contact rod control the movable contact rod to be rotated. The utility model has the advantages of simple structure, easy manufacture, low cost, accurate movement, reliable performance, convenient maintenance, etc.
Description
The utility model relates to a kind of electric switch, particularly a kind of switch that drives the motor of the suction engine that water feeder draws water.
Utilize motoring suction engine water feeder to draw water, generally control the rotation of motor by manpower by switch or stop: drawing back switch when water level in water pool is elevated to certain position and stop pumping, the water feeder that then need close a switch when water level in water pool drops to certain position draws water.Manpower direct control motor switch not only very bothers, and because difficult water level situation of observing in the pond makes switching manipulation not accurate enough.Therefore, the draw water automatic control of motor switch is imperative.The approach of control is a lot of automatically to realize motor switch that water feeder draws water, for example can take electronic control, but this electronic control circuit complex structure not only involves great expense, and maintenance difficult.
The purpose of this utility model provides and a kind ofly draws water automatically, stopping device, controls automatically to realize the motor switch better way that water feeder draws water.
The purpose of this utility model is achieved like this; Automatically draw water, stopping device is made up of fixed contact and moving contact, utilizes the gravity of object and the buoyancy of object in water to order about by lever that moving contact contacts with fixed contact or separately, the work of motor thereby control is drawn water.Its concrete scheme is: fixed contact and moving contact are installed in the front end (the insulator insulation is arranged between contact and the feeler lever) of stationary contact bar and movable feeler lever respectively, there is fulcrum (run-on point) at the movable feeler lever middle part, front end also is fixed with spring card, and the rear end then is fixed with decides ball float and connect moving ball float by spacing rope.The vertical component of Г shape stationary contact bar is equipped with the fulcrum (run-on point) of movable feeler lever, and by this fulcrum (run-on point) movable feeler lever and stationary contact bar is bound up.For convenience the movable feeler lever rear end decide ball float and moving ball float stretches in the pond, movable feeler lever is made into
Shape.The vertical component of stationary contact bar also is equipped with
The spacing card of shape is with the rotation angle of restriction movable feeler lever around fulcrum.Working principle of the present utility model is such: moving contact and fixed contact are inserted the work of controlling motor in the motor power circuit that drives suction engine work, decide ball float and moving ball float places the pond.When water level in water pool descended gradually, the moving ball float that floats on the surface was along with decline, an end be the moving ball float the other end be the spacing rope of movable feeler lever rear end also be tightened up gradually.When water level in water pool drops to the precalculated position, spacing rope is strained fully, and the moving contact that the self gravitation of moving ball float spurs its front end of movable feeler lever rear end downwards moves upward and contact circuit connection this moment with fixed contact, motor work drives the suction engine water feeder and draws water.Move upward and with when fixed contact contacts, the spring card of movable feeler lever front end blocks stationary contact bar front end immediately at moving contact.Water level in water pool constantly rises, and moving ball float fades away until complete obiteration to the action of gravity of movable feeler lever, at this moment because the effect of spring card makes fixed contact and moving contact still continue to keep in touch, draws water and proceeds.When water level rose to the precalculated position, ball float was decided in water surface contact, decides ball float generation buoyancy the movable feeler lever rear end is moved upward, and the moving contact of its front end promptly moves downward and separates with fixed contact, and spring card is also from the slippage of stationary contact bar front end.This moment, circuit disconnected, and drawing water stops.On stationary contact bar of the present utility model and the movable feeler lever 1 pair of fixed contact and moving contact can be installed, be used as the power switch of single phase motor, or control three phase motor as the power switch of electromagnetic coil in the three-phase ac contactor; 3 pairs of fixed contacts and moving contact also can be installed, directly make the power switch of three phase motor.The stationary contact rod rear end can be made fixed support, and the partly also available protection box of contact is protected.
The utility model draws water automatically, stopping device have simple in structure, easy to manufacture, with low cost, action accurately, reliable performance, advantage such as easy to maintenance.During use, the highest water level in pond (stop pumping water level) is by the mounting point decision of deciding ball float, and lowest water level (beginning draw water position) is then by the length decision of spacing rope.
Concrete structure of the present utility model is provided by the following drawings and embodiment.
Accompanying drawing is that the utility model draws water automatically, the stopping device structural drawing.
With reference to accompanying drawing (being in contact condition for fixed contact and moving contact shown in the figure): fixed contact (1) and moving contact (2) are installed in the front end of stationary contact bar (3) and movable feeler lever (4) respectively.Movable feeler lever (4) available metal material is made
Shape, middle part have fulcrum (5), and front end also is fixed with spring card (6), and the rear end is fixed with decides ball float (7) and connect moving ball float (9) by spacing rope (8).For movable feeler lever is rotated flexibly steadily, on the fulcrum (5) at its middle part bearing is installed.Spring card (6) makes S shape with spring steel plate.Spacing card (10) available metal material is made
Shape.Stationary contact bar (3) available metal material is made Г shape, and its vertical component is equipped with the fulcrum (5) and the spacing card (10) of movable feeler lever (4).Stationary contact bar (3) and movable feeler lever (4) are bound up by fulcrum (5).Stationary contact bar (3) rear end is fixed support (11), so that the utility model is fixed on the cover plate of pond.
Claims (4)
1, a kind ofly draw water automatically, stopping device, it is made up of fixed contact and moving contact, it is characterized in that fixed contact (1) and moving contact (2) are installed in the front end of stationary contact bar (3) and movable feeler lever (4) respectively, there is fulcrum (5) at movable feeler lever (4) middle part, front end also is fixed with spring card (6), and the rear end is fixed with decides ball float (7) and connect moving ball float (9) by spacing rope (8).
2, according to claim 1 describedly draw water automatically, stopping device, it is characterized in that being equipped with on stationary contact bar (3) and the movable feeler lever (4) 1 pair of fixed contact (1) and moving contact (2).
3, according to claim 1 describedly draw water automatically, stopping device, it is characterized in that being equipped with on stationary contact bar (3) and the movable feeler lever (4) 3 pairs of fixed contacts (1) and moving contact (2).
4, according to claim 1,2 or 3 describedly draw water automatically, stopping device, it is characterized in that stationary contact bar (3) makes Г shape, movable feeler lever (4) is made
Shape, the vertical component of stationary contact bar (3) be equipped with movable feeler lever (4) fulcrum (5) and
The spacing card of shape (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96201817 CN2296415Y (en) | 1996-01-06 | 1996-01-06 | Automatic water pumping and stopping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96201817 CN2296415Y (en) | 1996-01-06 | 1996-01-06 | Automatic water pumping and stopping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2296415Y true CN2296415Y (en) | 1998-11-04 |
Family
ID=33887991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96201817 Expired - Fee Related CN2296415Y (en) | 1996-01-06 | 1996-01-06 | Automatic water pumping and stopping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2296415Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110179296A (en) * | 2019-06-05 | 2019-08-30 | 广州鹏兴科技有限公司 | A kind of intelligent exhibition booth detected based on target identification and interest commodity |
-
1996
- 1996-01-06 CN CN 96201817 patent/CN2296415Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110179296A (en) * | 2019-06-05 | 2019-08-30 | 广州鹏兴科技有限公司 | A kind of intelligent exhibition booth detected based on target identification and interest commodity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |