CN2073963U

CN2073963U - Electromagnetic brake

Info

Publication number: CN2073963U
Application number: CN 90207994
Authority: CN
Inventors: 邱增祥
Original assignee: ZHENJI ELECTROCHEMICAL PLANT C
Current assignee: ZHENJI ELECTROCHEMICAL PLANT C
Priority date: 1990-05-29
Filing date: 1990-05-29
Publication date: 1991-03-27

Abstract

An electromagnetic brake mainly comprises a shell, a magnetic induction device, an elastic element, a magnetic driving element, a water stop plug and other main components; the magnetic driving element is driven by the magnetic force sensing device and can be linked with the water stop plug to open the water channel, and a permanent magnetic element is arranged at a proper position in the shell, so that after the magnetic force sensing device drives the magnetic driving element, the position of the magnetic driving element can be temporarily controlled by the permanent magnetic element, and the aim of saving electricity is fulfilled.

Description

Electromagnetic brake

The utility model system knows clearly it relevant for a kind of new design of solenoid valve, is meant a kind of electromagnetic brake especially.

All shown in the cut-away view of Fig. 1, it mainly comprises members such as shell 10, loam cake 12, inductor coil 20, block protecting device 22, spring 30, iron staff 40 and water plug 42 to existing solenoid valve; Wherein, this shell 10 can be combined into a containing space jointly with loam cake 12, be placed in its inside for members such as inductor coil 20, block protecting device 22, spring 30, iron staff 40 and water plugs 42, and the bottom of this shell 10 also is provided with water intake 14 and water outlet 16.

And after shell 10 is embedded in block protecting device 22, more inductor coil 20 can be fixed in its inside, can send the effect of induction field (magnetic force) like this after the energising; These block protecting device 22 central authorities are provided with a spring 30 and iron staff 40, so that spring 30 can provide active force in good time, oppress iron staff 40 downward pushing tows, and will be positioned at water plug 42 these water outlets 16 of sealing of iron staff 40 lower ends, advance to the direction of B to stop current such as arrow A.

And for example shown in the action schematic representation of Fig. 2, this inductor coil 20 is after obtaining an additional power source 24, can produce induction field (magnetic force), so that iron staff 40 is subjected to the induced force of induction field and moves upward, and extrusion spring 30 becomes the state of contraction, this iron staff 40 will be opened the water route by interlock water plug 42 simultaneously, so that water intake 14 links up to become as the water-flowing path of arrow A to the B direction with water outlet 16.

Yet, when process is long-term used in the water route of devices such as intermittently time control operation, because this inductor coil 20 is to produce induction field by electric power, and retentive control iron staff 40 moves upward and the state of pressure spring 30, if loss of power, then iron staff 40 must be because of the restoring force of spring 30, make iron staff 40 interlock water plugs 42 seal water routes, like this, if in the time of will making solenoid valve can be held open the state in water route, certainly will to keep electric power and constantly supply with, but under long-term user mode, the shortcoming that expends electric power resource be arranged in fact.

Moreover, power supply is supplied with solenoid valve and is opened in the course of action in water route, and can't guarantee can not produce the situation (reason that burst current or voltage produce of burst current or voltage, should early be understood by the personage who is familiar with this type of skill, event is superfluous words not), also be the abnormal signal of this burst current or voltage, may cause solenoid valve to produce misoperation.

So the above-mentioned existing solenoid valve of foundation is all, can summarize 2 shortcomings is worth improving:

(1) existing solenoid valve has the shortcoming of waste electric power.

(2) the possible anomaly of existing solenoid valve because of current/voltage, and produce misoperation.

The inventor of this case, accumulation has the working experience of many decades, this time, because the various shortcoming of the above existing solenoid valve is the improvement of concentrating on studies, and through after repeatedly testing, the generation of the utility model is arranged finally.

The main purpose of the utility model is the new design that is to provide a kind of solenoid valve, and can reaches the effect of saving electric power.

Technical solution of the present utility model is:

A kind of electromagnetic brake, main system includes main members such as housing, magnetic force induction device, elastic element, Magnetic drive elements and water stopping plug; Wherein, after this Magnetic drive elements is subjected to the driving of magnetic force induction device, but the interlock water stopping plug is opened the water route, wherein:

Appropriate location is provided with the permanent magnetism element in this housing, so that after making this magnetic force induction device drive Magnetic drive elements, can temporarily be controlled the position of Magnetic drive elements by the permanent magnetism element, to reach the purpose of power saving.

Relevant the utility model is reached the means and the effect thereof of purpose, and conjunction with figs. illustrates as the back with embodiment now:

Below be the simple declaration of accompanying drawing:

Shown in Figure 1 is the sectional view of existing solenoid valve.

Shown in Figure 2 is the action schematic representation of existing solenoid valve.

Shown in Figure 3 is the utility model embodiment's sectional view.

Shown in Figure 4 is the utility model embodiment's action schematic representation.

At first, see also the sectional view that Fig. 3 is the utility model one preferred embodiment; As shown in FIG., the utility model includes main members such as housing 50, loam cake 51, lower cover 52, magnetic force induction device 60, device for limiting 62, permanent magnetism element 54, elastic element 64, Magnetic drive elements 66 and water stopping plug 68; Wherein, this housing is to see outside the hollow columnar, and it is respectively equipped with a loam cake 51 and lower cover 52 up and down, and above-mentioned three makes up its inside, back can form a ccontaining space; And after 52 combinations of this housing 50, loam cake 51, lower cover, its below engages a pedestal 70, and this

pedestal

70 and 52 of lower covers be to be located on seam crossing with a pad 71, to have the effect of leakproof.

In the above-mentioned containing space, be provided with one and present the device for limiting 62 of being scheduled to moulding, this device for limiting 62 is to be embedded by both sides for magnetic force induction device 60; Simultaneously, the centre is provided with a permanent magnetism element 54(and can be a permanent magnet among this device for limiting 62), and the appropriate location in this permanent magnetism element 54 is equipped with a waterproof washer 541, it is the situation that can prevent Lou (oozing) water, and being provided with a circle scrobicular ring 542 in the bottom surface of permanent magnetism element 54, its effect is detailed later.

Side system is provided with an elastic element 64 under the above-mentioned permanent magnetism element 54, the function that can in good time have elongation or contraction, one active force can be provided, can be materials such as silicon iron with the Magnetic drive elements 66(of pressuring elastic element 64 lower end sockets makes), the path of 73 of intake pipe 72 and outlet conduits in the interlock water stopping plug 68 sealing pedestals 70, make current to circulate, and have the effect in the water route of closing as the direction of arrow C among the figure to D.

Seeing also Fig. 4 is the utility model embodiment's action schematic representation; After this magnetic force induction device 60 obtains the electric power supply of a power supply 24 by the external world, can produce induced force with magnetic, can make this Magnetic drive elements 66 be subjected to the effect of Magnetic Induction power, and pushing tow elastic element 64 becomes the state of contraction upward, when this Magnetic drive elements 66 rises to the top simultaneously, can be adsorbed in the bottom surface of permanent magnetism element 54 by the effect of magnetic force, with the water route that interlock water stopping plug 68 is opened

intake pipes

72 and 73 of outlet conduits, make that arrow C is mobile to the direction of D among current such as the figure.

And, because this permanent magnetism element 54 has lasting magnetic force, even stop to supply with magnetic force induction device 60 electric power, above-mentioned Magnetic drive elements 66 still can be by the magnetic force of permanent magnetism element 54, after making magnetic force induction device 60 drive Magnetic drive elements 66 to be adsorbed in the bottom surface of permanent magnetism element 54, and can still be held open the effect in water route; In like manner,, only need send into a reverse electric power, can produce rightabout magnetic field induction power, and compressing Magnetic drive elements 66 falls, and water route and his like is logical to make that water stopping plug 68 is stopped by power supply 24 if will close the water route time; And the circle scrobicular ring 542 of being located at permanent magnetism element 54 bottom surfaces can provide the gap in good time, produces airtight phenomenon to avoid 66 of permanent magnetism element 54 and Magnetic drive elements, and can't break away from mutually.

Action by the above can be found, the utility model only need Magnetic drive elements 66 move up or down in, just provide a suitable Magnetic Induction power to drive this Magnetic drive elements 66 by magnetic force induction device 60, so can obviously find out, when Magnetic drive elements 66 is adsorbed in permanent magnetism element 54, be to provide electric power to import in the magnetic force induction device 60, discuss from the viewpoint of long-term use, meet very much economic benefit, and the advantage and the effect of saving electric power arranged.

In sum, the utility model is by the setting of permanent magnetism element, and makes magnetic force induction device supply capability constantly to have the effect and the advantage of saving electric power really.

The above only is the preferable possible embodiments of one of the utility model, so use the utility model specification and the equivalent structure variation for it of claims scope institute such as, ought to be included in claims institute restricted portion of the utility model.

Claims

1, a kind of electromagnetic brake includes housing, magnetic force induction device, elastic element, Magnetic drive elements and water stopping plug member; Wherein, after this Magnetic drive elements is subjected to the driving of magnetic force induction device, but the interlock water stopping plug is opened the water route, it is characterized in that:

Appropriate location is provided with the permanent magnetism element in this housing, so that after making this magnetic force induction device drive Magnetic drive elements, can temporarily be controlled the position of Magnetic drive elements by the permanent magnetism element.