CN206849763U - Vacuum bubbles unit - Google Patents

Abstract

The utility model discloses a kind of vacuum bubbles unit, including static side push rod, moved end push rod, vacuum tube, static side contact site and moved end contact site；Static side contact site and moved end contact site are respectively positioned in vacuum tube, static side contact site is in one end of the static side push rod, moved end contact site is oppositely arranged in one end of the moved end push rod, static side contact site and moved end contact site, and static side push rod and moved end push rod are that conductive material is made；The moved end push rod is fixed on a housing, and the static side push rod is driven by external force.The use of vacuum bubbles unit, all it is to allow static side push rod to remain stationary among traditional technical thinking, moved end push rod is driven, so as to realize the break-make of vacuum bubbles.But among the utility model, it is creative that the moved end push rod and the housing are fixedly installed, the bayonet socket of holding section of the static side push rod with that can rotate is connected.Namely moved end push rod is motionless, the motion of creative driving static side push rod, among the process of static side push rod motion, also simultaneously vacuum tube can be driven to move together, overall motional inertia is bigger, and athletic meeting is rapider.

Description

Vacuum bubbles unit

Technical field

The utility model is set and a kind of electric device, more particularly to a kind of vacuum bubbles unit of contactor arrangement.

Background technology

Traditional contactor arrangement, assembling it is complex, it is necessary to space it is larger, it is necessary to voltage it is also very big, consumption Can be larger.And traditional contactor arrangement contributes to control the break-make of single channel circuit, it is necessary to control the break-make of multiplex circuit When, its synchronism is not ideal enough.

For traditional contactor arrangement breaking speed generally more than 100 milliseconds, breaking speed is not rapid enough.It is and traditional Thought thinks always, is all that static side is fixed in the vacuum bubbles unit of contactor arrangement, the motion of driving moved end, is connect so as to realize The break-make of tentaculum device, but this mode, can cause breaking speed not lifted effectively.

Utility model content

The purpose of this utility model is the one or more to solve the above problems.

The utility model provides the vacuum bubbles unit of contactor arrangement, including static side push rod, moved end push rod, vacuum tube, Static side contact site and moved end contact site；Static side contact site and moved end contact site are respectively positioned in vacuum tube, and static side contact site is in institute One end of static side push rod is stated, moved end contact site is relative in one end of the moved end push rod, static side contact site and moved end contact site Set, static side push rod and moved end push rod are that conductive material is made；

The moved end push rod is fixed on a housing, and the static side push rod is driven by external force.

In some embodiments, fixing nut is provided with the one end of static side push rod away from the static side contact site, Gu The side inwardly for determining nut is provided with the first catch and the second catch.

In some embodiments, it is provided with spring assembly between first catch and the second catch.

In some embodiments, it is additionally provided with conducting strip on the static side push rod.

In some embodiments, the vacuum tube is sheathed on the static side push rod and moved end push rod, the vacuum tube One end be fixedly connected with the static side push rod, bellows, one end of the bellows and institute are arranged with the moved end push rod Moved end push rod connection is stated, the other end of the bellows is connected with the other end of the vacuum tube.

In some embodiments, the spring assembly includes the first spring and second spring, first spring it is straight Footpath is more than the diameter of the second spring, and first spring housing is located at the outside of the second spring, the second spring set On the static side push rod.

In some embodiments, the first limiting section, first limiting section and described first are provided with the first catch The external diameter of spring is adapted.

In some embodiments, the second limiting section, second limiting section and described second are provided with the first catch The internal diameter of spring is adapted.

In some embodiments, the static side top stem casing is provided with sleeve.

In some embodiments, the spring assembly is sheathed on sleeve again.

The use of vacuum bubbles unit, all it is to allow static side push rod to remain stationary among traditional technical thinking, driving Moved end push rod, so as to realize the break-make of vacuum bubbles.But among the utility model, it is creative by the moved end push rod and institute Housing fixed setting is stated, the bayonet socket of holding section of the static side push rod with that can rotate is connected.Namely moved end push rod is not Dynamic, creative driving static side push rod moves, and among the process of static side push rod motion, also vacuum tube one can be driven to start shipment simultaneously Dynamic, overall motional inertia is bigger, and athletic meeting is rapider.

Brief description of the drawings

Fig. 1 is the structure principle chart of the contactor arrangement of the embodiment of the utility model one；

Fig. 2 is the structural representation of the contactor arrangement of the embodiment of the utility model one；

Fig. 3 is an angle schematic diagram of the fixing groove unit of the contactor arrangement of the embodiment of the utility model one；

Fig. 4 is another angle schematic diagram of the fixing groove unit of the contactor arrangement of the embodiment of the utility model one；

Fig. 5 is another angle schematic diagram of the fixing groove unit of the contactor arrangement of the embodiment of the utility model one；

Fig. 6 is that the structure of the vacuum bubbles unit of the fixing groove unit of the contactor arrangement of the embodiment of the utility model one is shown It is intended to；

Fig. 7 is the structural representation of the first catch of the contactor arrangement of the embodiment of the utility model one.

Embodiment

Below in conjunction with the accompanying drawings 1 to 7 and embodiment contactor arrangement of the present utility model is described further.

As shown in figs. 1-7, contactor arrangement, including housing 1, the first binding post 2, the second binding post 3, trigger element 4th, fixing groove unit 5 and multiple vacuum bubbles units 6.The utility model primarily can be used for the break-make control of three-phase electricity, that is, need Three vacuum bubbles units 6, among the present embodiment, and it is explained using three-phase electricity.Certainly, this practicality is not being changed newly , can also be only with two vacuum bubbles on the premise of type is conceived, the break-make control for two-phase electricity.

Wherein, the first binding post 2, the quantity of the second binding post 3 are corresponding with the number of vacuum bubbles unit 6, i.e., Each vacuum bubbles unit 6, can all correspond to first binding post 2 and second binding post 3.First binding post 2 are used to be connected with outside the end of a thread, and second binding post 3 is used to be connected with outside the end of a thread.

The trigger element 4 includes driving power 41, switchs 42, coil 43 and electromagnetic core 44, the driving power 41, Switch 42 and coil 43, which link together, forms loop, and the startup of driving power 41 and closing are controlled by switch 42.It is described Electromagnetic core 44 is located at the inside of the coil 43, and the electromagnetic core 44 among this patent is not limited to the stem of irony, and The stem as electromagnet referred to, its material can use iron, cobalt, nickel or its alloy.

Fixing groove unit 5 of the present utility model includes rotation supporting portion 51, holding section 52 and adhesive portion 53, the holding section There are multiple bayonet sockets 521 on 52, illustrated exemplified by selecting three among the present embodiment, fixing groove unit 5 of the present utility model is Integral structure, the multiple bayonet socket 521 are set up in parallel, and are integrally plastic material.One end of three vacuum bubbles units 6 Engage one by one with three bayonet sockets 521 respectively corresponding, the other end of three vacuum bubbles units 6 is fixed on the housing 1 On.

The holding section 52 is connected with adhesive portion 53, forms the body construction of fixing groove unit 5, rotation supporting portion 51 is then Positioned at holding section 52 and the junction in adhesive portion 53, rotation supporting portion 51 is arranged at the both sides of the body construction of fixing groove unit 5, Here rotation supporting portion 51 can be only the cylinder of a protrusion, and the groove of a corresponding matching is then set on housing 1 Body or one run through the rotary shaft of the whole body construction of fixing groove unit 5, or can also be one to body construction The cell body of inner recess, then the cylinder of the protrusion of a corresponding matching is set on housing 1.It is specific real to above are only some Mode is applied, it is specific to set, it can be fixed on the fixing groove unit 5 by rotation supporting portion 51 on the housing 1, and Fixing groove unit 5 can carry out rotation for support by rotation supporting portion 51 and be defined.

The adhesive portion 53, which is provided with, attracts block 54, and the set-up mode among the present embodiment is provided with recessed for adhesive portion 53 Groove, the attraction block 54 are located in the groove, or can also set a limiting section, block 54 will be attracted to be arranged on spacing In portion, either can also directly will attract block 54 be sticked adhesive portion 53 towards the one side of electromagnetic core 44 or can also will Block 54 is attracted directly to be embedded in the inside in adhesive portion 53, can be defined attracting block 54 to fix.

The attraction block 54 is corresponding with the electromagnetic core 44, attraction block 54 here generally select iron, cobalt, nickel or Magnetic metal block made of its alloy, after the trigger element 4 is powered, electromagnetic core 44 produces magnetic force and attracted, the now suction Draw together with block 54 attracts each other with the electromagnetic core 44, so as to drive the adhesive portion 53 to be rotated around rotation supporting portion 51, When the suction unit rotates, due to leverage, the holding section 52 can be also driven to rotate, due to one end of vacuum bubbles unit 6 Fastened with the bayonet socket 521 of holding section 52, the other end is fixed on housing 1, so when holding section 52 rotates, will be extruded Vacuum bubbles unit 6, so as to drive vacuum bubbles unit 6 to close, realize conducting.

Because rotation supporting portion 51, holding section 52 and adhesive portion 53 form approximate level type structure, and attract block 54 , so can be with so set in vertical state substantially between vacuum bubbles unit 6 and electromagnetic core 44 in the top of electromagnetic core 44 Space effectively is made full use of, so as to ensure that whole contactor arrangement is more compact.Trigger element 4 cleverly utilizes coil 43 It is powered, produces the physical principle of magnetic, so that by attracts attracting each other between block 54 and electromagnetic core 44 and separating, to drive It is dynamic to realize switching on and off for vacuum bubbles unit 6.

Among the utility model, using the corresponding three groups of binding posts of three groups of vacuum bubbles units 6, so as to be connected directly between Controlled on three-phase circuit.Three electric wires among three-phase circuit, directly it is controlled using same contactor arrangement, three The break-make of vacuum bubbles is also to be installed and be driven using same fixing groove unit 5, so as to control the connection of vacuum bubbles unit 6 And disconnection, it thereby may be ensured that the high consistency switched on and off of three vacuum bubbles units 6.Traditional contactor arrangement is all It is that single vacuum bubbles unit 6 individually controls, like this, the control synchronisms of three vacuum bubbles units 6 of three-phase circuit is just very Ensure, even if using best servo control mode, it is also difficult to ensure the absolute synchronization of three vacuum bubbles units 6.

Generally, it is described to attract the distance between block 54 and rotation supporting portion 51 to be more than the bayonet socket 521 and rotation supporting portion The distance between 51, the principle of lever force-saving can be so made full use of, i.e., using 4 less electromagnetic attraction of trigger element, just It can be very good to drive switching on and off for vacuum bubbles unit 6, so as to realize labour-saving effect.In the situation of same electromagnetic attraction Under, then it can realize and switch on and off faster, lifting control speed.

It is simultaneously a volume for further reducing whole contactor arrangement and lifting control speed, it is of the present utility model Coil 43 and electromagnetic core 44 can be respectively provided with two, and two coils 43 and electromagnetic core 44 can be set up in parallel, so as to The height of whole trigger element 4 is reduced, reduces the volume of whole contactor arrangement, but whole trigger element 4 can't be reduced Magnetism intensity.

Back-moving spring 7 can also be included among the utility model, back-moving spring 7 is provided with diversified forms, can revolved The position for turning support 51 is arranged with back-moving spring 7, and the back-moving spring 7 can use torsion spring to design, when trigger element 4 is powered, Electromagnetic core 44 is produced after suction attracts, and the body construction that holding section 52 and adhesive portion 53 are formed is fulcrum with rotation supporting portion 51 Rotated, the energy storage of back-moving spring 7 among the process of rotation.

After trigger element 4 powers off, back-moving spring 7 will release energy, so as to drive holding section 52 and the structure of adhesive portion 53 Into body construction reset and rotate so that vacuum bubbles unit 6 quickly disconnects, ensure the precision of control.

Back-moving spring 7 of the present utility model can also directly use compression spring simultaneously, be arranged on the lower section in adhesive portion 53, When the body construction that holding section 52 and adhesive portion 53 are formed is rotated with rotation supporting portion 51 for fulcrum, among the process of rotation Adhesive portion 53 will pressed home spring 7 so that the energy storage of back-moving spring 7.

After trigger element 4 powers off, back-moving spring 7 will release energy, so as to drive adhesive portion 53 to upper top, so that So that the body construction that holding section 52 and adhesive portion 53 are formed resets and rotated, so that vacuum bubbles unit 6 quickly disconnects, protect Demonstrate,prove the precision of control.

Simultaneously in order to further improve the precision of control, back-moving spring 7 can use even numbers to set, when using torsion spring When, it can be arranged with back-moving spring 7 in the rotation supporting portion 51 of both sides., can be in adhesive portion when using compression spring 53 lower section sets two back-moving springs 7, and two back-moving springs 7 are respectively in the both sides for attracting block 54, designed using dual spring, can To ensure when power-off, body construction that holding section 52 and adhesive portion 53 are formed can Rapid reset rotate so that Vacuum bubbles unit 6 quickly disconnects, and ensures the precision of control.

Meanwhile among the utility model, side connection wall 522, the side connection wall 522 are equipped with the both sides of bayonet socket 521 For connecting adhesive portion 53 and holding section 52, because the moment triggered in trigger element 4, between adhesive portion 53 and holding section 52 Torsion is very big, is provided for connecting the side connection wall 522 of adhesive portion 53 and holding section 52, it is ensured that whole fixing groove The problem of stability of the body construction of unit 5 is not in fracture.

Among the utility model, the vacuum bubbles unit 6 includes static side push rod 61, moved end push rod 62, vacuum tube 63, static side Contact site 64 and moved end contact site 65, first binding post 2 electrically connect with the static side contact site 64, second wiring Terminal 3 electrically connects with the moved end contact site 65, when the trigger element 4 disconnects, the static side contact site 64 and institute Moved end contact site 65 is stated to be separated from each other, it is described quiet after the fixing groove unit 5 is driven when the trigger element 4 is powered Termination contact portion 64 and moved end contact site 65, which contact, to be realized and is connected between the first binding post 2 and the second binding post 3.

Wherein, static side contact site 64 and moved end contact site 65 are respectively positioned in vacuum tube 63, and static side contact site 64 is positioned at described One end of static side push rod 61, moved end contact site 65 are located at one end of the moved end push rod 62, static side contact site 64 and moved end contact Portion 65 is oppositely arranged, and static side push rod 61 and moved end push rod 62 are that conductive material is made.

The other end of the static side push rod 61 is connected with the bayonet socket 521 of the holding section 52, on the static side push rod 61 It is additionally provided with conducting strip 66, the conducting strip 66 is used to be connected with first binding post 2, the bayonet socket 521 and described leads Spring assembly 67 is provided between electric piece 66, the vacuum tube 63 is sheathed on the static side push rod 61 and moved end push rod 62, described One end of vacuum tube 63 is fixedly connected with the static side push rod 61, and bellows 68, the ripple are arranged with the moved end push rod 62 One end of line pipe 68 is connected with the moved end push rod 62, the other end phase of the other end of the bellows 68 and the vacuum tube 63 Connection.

The use of vacuum bubbles unit 6, all it is to allow static side push rod 61 to remain stationary among traditional technical thinking, drives Dynamic moved end push rod 62, so as to realize the break-make of vacuum bubbles.But among the utility model, it is creative by the moved end push rod 62 are fixedly installed with the housing 1, and the static side push rod 61 is connected with the bayonet socket 521 for the holding section 52 that can be rotated. It is exactly that moved end push rod 62 is motionless, creative driving static side push rod 61 moves, also can be same among the process that static side push rod 61 moves When drive vacuum tube 63 move together, overall motional inertia is bigger, and athletic meeting is rapider.Simultaneously in the process of actual installation It is central, it is to be installed after the equipment dextrorotation among accompanying drawing 1 is turn 90 degrees mostly, i.e., static side push rod 61 upward, push up by moved end 62 mode directed downwardly of bar is installed.So it is motionless using moved end push rod 62, after the mode that static side push rod 61 moves, in driving , can also be effectively using the gravity of of vacuum tube 63 itself, so that static side contact site 64 and moved end contact site among process 65 closure can be more rapid.

After the utility model is by above-mentioned a variety of unique designs combination, the breaking speed of contactor arrangement can reach 40-80 milliseconds, but traditional contactor arrangement breaking speed is at least more than 100 milliseconds.Breaking speed is faster, then static side connects The possibility of generation electric arc is smaller between contact portion 64 and moved end contact site 65, and the situation of corresponding generation arc erosion is smaller, from And it can greatly extend the service life of vacuum bubbles unit 6.

Among the utility model, spring assembly 67 can use the design method of a spring, can also use two bullets The design method of spring, among the present embodiment, illustrated by the way of dual spring design, spring assembly 67 includes the first spring 671 and second spring 672, the diameter of first spring 671 is more than the diameter of the second spring 672, first spring 671 are sheathed on the outside of the second spring 672, and the second spring 672 is sheathed on the static side push rod 61.Using double bullets Spring designs, and on the one hand can realize bigger elastic force under equal space, on the other hand, can form a dual fail-safe mechanism, Even if during a spring breakage therein, a spring can also work as usual in addition, have no effect on.

Fixing nut 611 is provided with the one end of static side push rod 61 away from the static side contact site 64, fixing nut 611 Side is provided with the first catch 69 and the second catch 610 inwardly, and the bayonet socket 521 of holding section 52 is located at fixing nut 611 and first gear Between piece 69, spring assembly 67 is between the first catch 69 and the second catch 610.Usual first catch 69 is provided with two limits Position portion, i.e. the first limiting section 691 and the second limiting section 692, wherein, the external diameter of the first limiting section 691 and first spring 671 It is adapted, second limiting section 692 and the internal diameter of the second spring 672 are adapted.First limiting section 691 and second is spacing Portion 692 generally can be the groove or the rib that raises up to lower recess, and groove and rib here are usually ring-type or position Multiple parts on an annulus, multiple local lines may be constructed a circle or approximate circle, as long as that is, can be with Carry out corresponding position-limiting action.Generally there is spacing, the certainly more excellent mode in one end, be on the second catch 610 Corresponding position limiting structure is set.Second catch 610 is more used to hold out against conducting strip 66 so that conducting strip 66 and the phase of static side push rod 61 It is in close contact, ensures the effect of conduction.

Simultaneously because fixing nut 611 is employed, so generally there is screw thread on the bar wall of static side push rod 61, so can To be arranged with sleeve 612 in static side push rod 61, then sheathed spring component 67 again, so as to prevent spring assembly 67 in static side Rubbed above the screw thread of push rod 61, ensure that spring assembly 67 smoothly can compress and stretch.Second spring 672 is sheathed on described On sleeve 612.

Because contactor arrangement of the present utility model is among the process of work, static side push rod 61 can move, so Conducting strip 66 above static side push rod 61 can also move therewith, in order to ensure between conducting strip 66 and first binding post 2 Electrical connection will not be because moving surface fracture or loosening, using flexibility between conducting strip 66 and first binding post 2 Connection, central flexible circuitry of the present utility model are multi-disc copper foil stacked together, and copper foil stacked together was both There is preferable pliability, there can be extraordinary electric conductivity again, can pass through for high current, high voltage.

It is relatively motionless, so the wiring of moved end push rod 62 and second because moved end push rod 62 is integrally fixed on housing 1 Connection between terminal 3 then requires relatively low, can also use flexible connection directly using being fixedly connected.

The operation principle of contactor of the present utility model is：

Under normal condition, the moved end contact site 65 and static side contact site 64 of contactor arrangement are separated from each other, and are now connect Tentaculum device is to be not turned between off-state, i.e. the first binding post 2 and the second binding post 3.

When needing to be turned on, then the switch 42 of trigger element 4 can be started so that driving power 41 and coil 43 be connected state, that is, allows driving power 41 formally to be powered to coil 43.After the power supply of coil 43, because electromagnetic core 44 is located at In coil 43, so whole trigger element 4 just forms an electromagnet, in the moment of power supply, powerful magnetive attraction can be produced.

In the case where the magnetic of electromagnetic core 44 attracts, attract block 54 because adhesive portion 53 is provided with, so adhesive portion 53 can be by To the power towards the direction of electromagnetic core 44, it can be close together rapidly therebetween, in electromagnetic core 44 with attracting block 54 to inhale Draw among close process, the body construction for the fixing groove unit 5 that holding section 52 and adhesive portion 53 form, actual is an approximation The structure of level type, the body construction of fixing groove unit 5 is rotated with rotation supporting portion 51 for fulcrum, so holding section 52 It can accordingly rotate and produce a power, at the same time, back-moving spring 7 can also deform accumulation of energy.

Among the process that holding section 52 rotates, the first catch 69 can be exerted a force, so as to drive spring assembly 67 to compress, spring Component 67 then exerts a force to the second catch 610, and drives static side push rod 61 to be moved to the direction of moved end push rod 62, at the same time, spring Component 67 is also at deformation energy storage state.

Among the process of motion, static side contact site 64 will will contact with moved end contact site 65, so as to connect Tentaculum device realizes conducting, and at the same time bellows 68 is also at deformation energy storage state.

Among the process of disconnection, the switch 42 of trigger element 4 is first shut off so that driving power 41 and coil 43 are disconnected Open state, that is, driving power 41 is allowed formally to be powered off to coil 43, once power-off, then electromagnetic core 44 no longer has magnetic force, resets The energy that spring 7, spring assembly 67 and bellows 68 store all can be in abrupt release.Back-moving spring 7 can drive adhesive portion 53 to Opposite direction is moved, and spring assembly 67 can drive the first catch 69 and static side push rod 61 to be transported to the direction away from moved end contact site 65 Dynamic, bellows 68 can drive static side push rod 61 and vacuum tube 63 to be moved to the direction away from moved end push rod 62.Three energy are released Put, caused common results are that whole fixing groove unit 5 rotates backward reset, drive static side push rod 61 to reset so that static side connects Contact portion 64 and moved end contact site 65 separate rapidly, so as to realize opening operation.

The above is only some embodiments of the present utility model.For the person of ordinary skill of the art, not On the premise of departing from the utility model creation design, various modifications and improvements can be made, these belong to the utility model Protection domain.

Claims (10)

1. vacuum bubbles unit, it is characterised in that contacted including static side push rod, moved end push rod, vacuum tube, static side contact site and moved end Portion；Static side contact site and moved end contact site are respectively positioned in vacuum tube, and static side contact site is in one end of the static side push rod, moved end Contact site is oppositely arranged in one end of the moved end push rod, static side contact site and moved end contact site, static side push rod and moved end top Bar is that conductive material is made；

The moved end push rod is fixed on a housing, and the static side push rod is driven by external force.

2. vacuum bubbles unit according to claim 1, it is characterised in that in static side push rod away from the static side contact site One end is provided with fixing nut, and the side inwardly of fixing nut is provided with the first catch and the second catch.

3. vacuum bubbles unit according to claim 2, it is characterised in that be provided between first catch and the second catch Spring assembly.

4. vacuum bubbles unit according to claim 1, it is characterised in that be additionally provided with conducting strip on the static side push rod.

5. vacuum bubbles unit according to claim 1, it is characterised in that the vacuum tube be sheathed on the static side push rod and On the push rod of moved end, one end of the vacuum tube is fixedly connected with the static side push rod, and bellows is arranged with the moved end push rod, One end of the bellows is connected with the moved end push rod, and the other end of the bellows is connected with the other end of the vacuum tube Connect.

6. vacuum bubbles unit according to claim 3, it is characterised in that the spring assembly includes the first spring and second Spring, the diameter of first spring are more than the diameter of the second spring, and first spring housing is located at the second spring Outside, the second spring is sheathed on the static side push rod.

7. vacuum bubbles unit according to claim 6, it is characterised in that the first limiting section, institute are provided with the first catch The external diameter for stating the first limiting section and first spring is adapted.

8. vacuum bubbles unit according to claim 7, it is characterised in that the second limiting section, institute are provided with the first catch State the second limiting section and the internal diameter of the second spring is adapted.

9. vacuum bubbles unit according to claim 3, it is characterised in that the static side top stem casing is provided with sleeve.

10. vacuum bubbles unit according to claim 9, it is characterised in that the spring assembly is sheathed on sleeve again.