CN209687047U - A kind of electromagnetic clutch that anti-technology is opened - Google Patents

Abstract

The electromagnetic clutch that a kind of anti-technology of the utility model is opened includes can slide up and down push plate, the two-way Self-retaining electromagnet containing slidable iron core, and the mandril as emergency opening effect in the accommodating cavity of electromagnetic clutch；When mandril is pushed upwardly by external force, it will first make push plate can not be movable by control, mandril only pushes the iron core of electromagnet to move upwards；And mandril then releases the limitation to push plate after restoring to original state；Iron core can push push plate upward sliding or iron core to restore under two-way Self-retaining electromagnet energization action to initial low-end trim, so that iron core will not make push plate upward sliding at this time.The function of the original automatic opening of clutch or closure is realized as a result, and prevents the purpose of illegal technological means unlatching clutch.With high promotional value.

Description

A kind of electromagnetic clutch that anti-technology is opened

Technical field

The utility model relates to electric locksets, and in particular to a kind of electromagnetic clutch that anti-technology is opened.

Background technique

In current electronic lock of anti-theft door technology, it is a kind of inside the lock body using clutch by the way of controlled System, and most opening and closing control is carried out to handle using installation electric clutch on plate in front or rear panel.

Chinese patent Authorization Notice No. CN104358472B " a kind of clutch of handle lock " and Chinese patent Granted publication In a kind of number CN204311857U " electromagnetism valve clutch on electronic lock ", all describes and a kind of controlled using electromagnet The clutch realized of mode of mandril movement more cleverly allows the iron core of electromagnet by support spring connection mandril, is made with this Iron core drives mandril to move after moving upwards.

Chinese patent Authorization Notice No. CN204002012U " a kind of electronic lock clutch " is described a kind of using two-way guarantor Hold the clutch that electromagnet controls pin；And after failing in view of electronics, passes through theory of mechanics using shifting component and drive The push rod for moving two-way holding electromagnet advances or backward movement, and Lai Jinhang emergency machine formula is unlocked.

However, all not considering under lockset normal operating conditions in the above patent, how to take precautions against makes clutch by technological means The measure that device is opened.

Summary of the invention

To overcome above-mentioned deficiency, the purpose of this utility model is that a kind of electromagnetic clutch that anti-technology is opened is provided to this field Device makes it solve unappeasable above-mentioned technical problem in the prior art.The purpose is to be realized by following scheme.

A kind of electromagnetic clutch that anti-technology is opened, comprising:

Shell with accommodating cavity；Push plate can slide up and down to and be set in the accommodating cavity；It is installed in accommodating cavity The two-way Self-retaining electromagnet collectively formed by electromagnetic coil, the iron core by solenoid controlled, iron core spring, permanent magnet；In Under electromagnetic coil off-position, when iron core is stretched out or retracted with respect to electromagnetic coil, the state can be kept；Wherein iron core with it is described Push plate elastic connection, when iron core moves upwards or after, upward active force is applied to push plate and to push push plate upward sliding； When iron core moves downward or after, push plate slide downward or push plate are still maintained in low level；Mandril is located in or beyond accommodating cavity；When When mandril is moved upwards or is swung up by external force, the push plate positioned at low level is by structure associated with the external force Part control can not move, and mandril pushes the iron core not limited additionally to move upwards；Mandril moves downward or when to lower swing, pushes away Plate is released from control.

Further, when mandril moves upwards or is swung up, mandril, which controls the push plate positioned at low level, makes it can not Movement；Moved downward in mandril or when to lower swing or after, mandril releases the buckle to push plate；

Or the electromagnetic clutch further includes the push plate fixture block or push plate circlip being installed in accommodating cavity；The push plate card The effect that block or push plate circlip are moved upwards or are swung up by the mandril, also or the push plate fixture block or push plate circlip by External force, push plate fixture block or the movement of push plate circlip twist and withhold push plate, to make push plate that can not move upwards；It is pushing up Bar move downward when to lower swing or after, push plate fixture block or push plate circlip release the buckle to push plate；

Also either when mandril moves upwards or is swung up, the external force acted on mandril is made by other structures part Push plate is controlled and can not be moved；Moved downward in mandril or when to lower swing or after, which releases the buckle to push plate.

Further, the iron core passes through the elastomer connecting with itself or the other structures part being fixedly connected with iron core Elastomer, connect or contact with the push plate, when the iron core moves upwards or after, push plate is applied by elastomer upward Active force；If push plate is controlled and can not be moved at this time, push plate can not upward sliding, distortional elastomer and generate make push plate The active force of upward sliding；And if push plate is not controlled or has been released from control, elastomer drive push plate move upwards；Iron core When moving downward or after, elastomer drive push plate slide downward perhaps push plate by gravity slide downward also or push plate protect It is held in low level；

Or be movably installed on the iron core can opposite iron core telescopic movable the extension stem being made of no permeable material and Extension stem spring, iron core are contacted by extension stem with push plate；When the iron core moves upwards or after, if push plate is controlled and can not Movement, then push plate can not upward sliding, extension stem retracts with respect to iron core or stretches out and make extension stem spring deformation, and generation makes to push away The active force of plate upward sliding；And if push plate is not controlled or has been released from control, extension stem promotion push plate upward sliding；Iron When core moves downward or after, extension stem downward associated movement or is still held in low level therewith, and push plate is by gravity slide downward Or it is held in low level.

Further, described when mandril is moved upwards or is swung up by external force, mandril is withheld positioned at low Buckle slot in the push plate of position, move upwards push plate can not；

Or when mandril is moved upwards or is swung up by external force, the push plate fixture block or push plate circlip buckle The firmly buckle slot in the push plate of low level, move upwards push plate can not；

Also or when mandril moves upwards or is swung up, the external force acted on mandril is buckled by other structures part The firmly buckle slot in the push plate of low level, move upwards push plate can not.

Further, the electromagnetic clutch further includes inductive switch mould group, for incude mandril or push plate fixture block or The motion state of push plate circlip or iron core, also either for incuding the movement for applying the object of external force to mandril, the induction Switching molding group is made of the identical or different inductive switch of one or more properties, which is touch-switch or micro- Dynamic switch or magnet-sensitive switch, also or photosensitive switch etc. for sense object movement and can output phase answer the electronic component of electric variable； The inductive switch mould group is located in shell or outside shell.

Further, the push rod spring for further including that deformation occurs when mandril moves upwards and mandril capable of being made to reset.

Further, further include fixture block spring for resetting push plate fixture block.

Further, the shell with accommodating cavity, including housing base and case lid.

Further, the mandril also includes that mandril elastic structure or mandril are made of elastic structure；It is described Electromagnetic clutch also include for using strong magnetic force to iron core act on when can limit iron core can not move upwards it is antimagnetic Mould group；

It is described when mandril is moved upwards or is swung up by external force, when iron core is not limited by antimagnetic mould group, Mandril elastic structure or the mandril being made of elastic structure push iron core to move upwards；And it is limited in iron core by antimagnetic mould group When, mandril elastic structure or the mandril being made of elastic structure can not push iron core to move upwards, so that elastic shape occur Become and applies the active force moved upwards to iron core.

The electromagnetic clutch that a kind of anti-technology of the utility model is opened, by increasing inductive switch in electromagnetic clutch And corresponding mechanical structure move upwards push plate can not by control when being mechanically pushed upwardly mandril； To after iron core is pushed upwardly, make control system control electromagnet that iron core be made to cannot keep the state, to avoid Illegal unlatching in the case where unauthorized；The it is proposed of the automatically controlled theory of the completely new electromagnetic clutch, that is, it is necessary to realize clutch What is had opens or closes function automatically, and prevents the illegal mechanical purpose for opening electromagnetic clutch, has high promotional value.

Detailed description of the invention

Fig. 1 is the configuration schematic diagram for the electromagnetic clutch that a kind of anti-technology of the utility model is opened；

Fig. 2 is the overall structure diagram of electromagnetic clutch shown in FIG. 1；

Fig. 3 is the schematic diagram of internal structure of electromagnetic clutch shown in FIG. 1；

Fig. 4 is schematic diagram of internal structure when electromagnetic clutch shown in FIG. 1 automatically turns on；

Fig. 5 is schematic diagram of internal structure when the mandril of electromagnetic clutch shown in FIG. 1 is pushed up by external force；

Fig. 6 is that electromagnetic clutch iron core shown in FIG. 1 is pushed schematic diagram of internal structure when retracting by mandril；

Fig. 7 is schematic diagram of internal structure when electromagnetic clutch mandril shown in FIG. 1 starts to reset downwards；

Fig. 8 is a kind of schematic diagram of internal structure of electromagnetic clutch that the anti-technology with double inductive switches is opened；

Fig. 9 is electromagnetic clutch shown in FIG. 1 and structural schematic diagram when cooperating containing handle control structure part；

Figure 10 is the overall structure diagram of another electromagnetic clutch.

The title of serial number in figure are as follows: 101, iron frame, 102, electromagnetic coil, 103, permanent magnet, 104, iron core, 105, iron Core spring, 106, extension stem, 107, extension stem spring, 108, push rod, 109, push rod spring, 2, push plate, 201, buckle slot, 3, top Bar, 301, push rod spring, 4, push plate fixture block, 401, raised fixture block, 402, fixture block spring, 5, microswitch, 501, touching spring, 6, shell Body, 601, housing base, 602, case lid, 701, Handleset housing base, 702, Handleset case lid, 703, preceding group Block, 704, clutch pin, 705, pin spring, 706, shifting block reset spring, 707, rear shifting block, 708, rear shifting block card slot, 8, anti- Flat thin magnet, 801, antimagnetic flat spring.

Specific embodiment

The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.Attached drawing gives the preferred embodiment of the utility model.But the utility model can come in many different forms in fact It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model The understanding for opening content is more thorough and comprehensive.

In being described below, " upward " is phase with " downward ", " retraction " and " stretching ", " forward direction is powered " and " reversed to be powered " For it will be appreciated that, it is basic in the electromagnetic clutch control method and the electromagnetic clutch for not changing anti-technology unlatching On the basis of principle, " upward " can be changed to " downward ", and " inside " also can be changed to " outside ", for " forward direction is powered " of electromagnetic coil It can also become " reversed to be powered ", the state and mode are all the in contrast electromagnetic clutch opened to this kind of anti-technology Actual change does not occur for control method and the essence of the electromagnetic clutch.

In being described below, using a kind of common by iron frame, the electromagnetic coil being installed in iron frame, installation In the via hole of electromagnetic coil center and the iron core, the iron core spring between electromagnetism iron frame and iron core and the position that extend downwardly In the two-way Self-retaining electromagnet that the permanent magnet in iron frame collectively forms；When the electromagnetic coil forward direction is powered, electromagnetic coil Driving iron core compression iron core spring moves upwards and opposite electromagnetic coil retracts, and hereafter electromagnetic coil powers off, and permanent magnet can lead to Crossing makes it keep retracting the magnetic attraction effect of iron core；If electromagnetic coil, which is reversely powered, at this time releases permanent magnet to the magnetic field of iron core Effect, then move downward iron core under the action of iron core spring, iron core is extended downwardly with respect to electromagnetic coil, hereafter electromagnetic coil Power-off, iron core still maintain stretching.If being appreciated that, the electromagnet is reversely installed, i.e., iron core is upward, then electromagnetic coil forward direction is logical Electricity and reversed energization, the up and down motion direction of caused iron core are just opposite with foregoing description；Namely the peace of such electromagnet Dress mode is but also being powered forward or backwards for electromagnetic coil can make the up and down motion direction of iron core change.This field is common Technical staff it is to be appreciated that with this class feature electromagnet it is more, constitute iron core for example, by using by permanent magnet, pass through electromagnetism The effect of iron frame, iron core spring is equally also able to achieve above-mentioned function.In this regard, should be regarded as having such can power off in electromagnet In the state of be still able to maintain plunger position characteristic electromagnet and constitute the electromagnet assemblies of similar functions, and thus type knot Such electromagnetic clutch that structure is constituted, is regarded as the protection scope of the utility model.

A kind of embodiment one: electromagnetic clutch that anti-technology is opened.

As shown in Fig. 1 ~ 7, for the schematic diagram of the electromagnetic clutch；Including with accommodating cavity by housing base and case lid The shell of composition, the push plate for the frame type structure that can slide up and down in accommodating cavity, push plate side extends downwardly and has buckle Slot；Self-retaining electromagnet is installed in the housing base on the inside of push plate；It leads at the electromagnetic coil center of Self-retaining electromagnet Can slide up and down iron core in through-hole, and iron core is the penetrating pore structure that has of interior sky, be sequentially installed in through-hole by copper rod The extension stem and extension stem spring and plug of composition, extension stem stretch out the through-hole upper end of iron core upwards, and can be by making to stretch Elastic deformation occurs for stick spring and opposite iron core retracts.There are also the tops to move up and down being located at below iron core in housing base Bar can push iron core to move upwards when mandril moves upwards；It is equipped with and is used in the conduit of the housing base at the mandril back side The push rod spring that elastic deformation occurs when mandril moves upwards and resets mandril；It is also installed in the conduit of housing base There are push plate fixture block and fixture block spring, wherein the raised fixture block on push plate fixture block matches with the buckle slot in push plate, and mandril is upward Push plate fixture block is pushed to move to buckle slot direction and raised fixture block is made to block buckle slot when movement, so that controlling push plate can not transport Dynamic, fixture block spring occurs elastic deformation and push plate fixture block can be made to reset during this.It is also equipped on housing base with touching spring Microswitch can touch front contact spring to make microswitch be triggered when mandril moves upwards.

The following are the control methods of the electromagnetic clutch.

Under original state, iron core is extended downwardly with respect to electromagnetic coil, and extension stem does not extend out electromagnetic coil central through hole upper end, Push plate falls within downwards iron frame upper end；Mandril is limited by push rod spring and is located at low level, and microswitch is not triggered, push plate Raised fixture block on fixture block is not contacted with buckle slot, as shown in Figure 3.

When iron core moves upwards, extension stem upper end be pierced by from electromagnetic coil central through hole upper end and be located at iron frame On push plate upper edge contact；When iron core is fully retracted when electromagnetic coil, if the buckle slot in push plate is not by push plate card at this time The raised fixture block of block buckles, then extension stem can boost upwards push plate, and push plate is relative to shell upward sliding until push plate lower end Face is limited below iron frame, as shown in Figure 4.It is appreciated that the energization of electromagnetic coil forward direction makes iron core move upwards and push away When playing push plate, i.e. state thus；And after iron core is retracted with respect to electromagnetic coil, electromagnetic coil is reversely powered, then drives iron core downward It stretches out, extension stem downward associated movement therewith, push plate loses support and by gravity slide downward and falls within electromagnetism iron frame Top, electromagnetic clutch return to original state, as shown in Figure 3.

When being illustrated in figure 5 mandril and being pushed up by external force, protrusion is made by the movement of top rod driving push plate fixture block first Fixture block withholds the buckle slot of push plate, and push plate will be unable to move；Visible mandril does not also push iron core to start to move upwards at this time, or Iron core is not pushed into electromagnetic coil also and retracts by person, and inductive switch is not triggered by mandril yet.It is of course also possible to think mandril It moves upwards and is triggered even if inductive switch at the beginning.

It is appreciated that the mandril moves upwards the movement of driving push plate fixture block and makes to boost the buckle that fixture block withholds push plate Slot, and move push plate can not；Push plate can also be made to be controlled when snap-gauge moves using by other means；For example, top Bar directly blocks push plate to the buckle of push plate, or the external force of driving mandril movement；And reality can also be by directly to push plate Upper end or other positions, which carry out control, move push plate can not, and final purpose only move push plate can not.In this regard, all answering It is considered as the protection scope of the utility model.

When being illustrated in figure 6 mandril and continuing up, iron core will be made to move upwards and retract relative to electromagnetic coil, iron Core spring is by compressive deformation；Inductive switch is triggered by mandril at this time.And because push plate is snapped, the extension stem in iron core will It can not move upwards, to make extension stem spring by compressive deformation.

And hereafter, mandril will start to move downward under the action of push rod spring or external force, following step will be continued:

If A, electromagnetic coil is in positive and is powered or powers off, when iron core can be kept in original position, induction is opened in releasing The triggering of pass, and the effect to push plate fixture block is released, so that push plate fixture block be made to release the limitation to push plate, push plate will be by extension stem It jacks up, as shown in Figure 4.

If B, electromagnetic coil is reversely powered and keeps, iron core is set to cannot keep the retracted mode, iron core is in iron core spring Under the action of moved downward together with mandril；Mandril is moved downward and is finally set back and sets, then clutch is restored to initial shape State.

If C, electromagnetic coil is in positive and is powered or powers off, iron core can be kept in retracted mode, and iron core and mandril are de- From contact, push plate fixture block still controls push plate, and inductive switch is still triggered, as shown in Figure 7；Mandril continues to move downward, Be first released from the triggering to inductive switch, electromagnetic coil is reversely powered at this time, then make iron core cannot keep in retracted mode and It moves downward, before mandril is released to the limitation of push plate fixture block, iron core is restored to low level, as shown in Figure 5；Hereafter, mandril continues It moves downward and finally sets back and set, clutch returns to original state.

It is appreciated that for step A, situations such as control system breaks down or circuit breaks down, and control It when system has learned that the operation is legal, all will not be reversely powered or power supply control, namely be ensured to electromagnetic coil When the control system breaks down, electromagnetic clutch can be normally-open.

It is appreciated that for step B, it is believed that be to know mandril setting in motion by inductive switch in control system When, that is, that makes carries out power control to electromagnetic coil, should need to carry out continued power to electromagnetic coil in the process.

The step B it is appreciated that step C compares, the control system for controlling electromagnetic clutch need more precisely to determine Mandril, which starts downward motion state and location information, to control electromagnetic coil, can be to electromagnetic coil during being somebody's turn to do It carries out moment energization or the function can be realized in brief energization, whole kwh loss can be greatly reduced.It is used in the present embodiment Moving upwards in mandril makes inductive switch be triggered, and the movement for making inductive switch release triggering is moved downward in mandril, I.e. the electric signal of inductive switch by " " to " conducting ", then arrive "off" process.It is understood that by " conducting " to "off" At this point, control system can judge to control the power on/off of electromagnetic coil by the electric signal.It can also be used and provide for simple replacement of The mounting means of inductive switch can also make mandril just inductive switch be made to be triggered when moving downward, and be acted using this as judgement.

It is appreciated that in the present embodiment, using a kind of microswitch with touching spring as inductive switch, such sense It is on-off mode that inductive switch, which usually exports electric signal, can also using touch-switch or magnet-sensitive switch, also or photosensitive switch etc. For sense object movement and energy output phase answers the electronic component of electric variable as inductive switch；Such inductive switch is mainly used In the movement in induction mandril, and practical can also use incudes object associated with the movement of mandril, such as push plate fixture block, push away Board spring, iron core, the motion state even to the object of mandril application external force；The inductive switch can be located in clutch or only It stands on outside clutch.In this regard, being regarded as belonging to the protection scope of the utility model.

In another scheme, the inductive switch group that multiple inductive switches are constituted can also be used to realize, Fig. 8 is then a kind of tool There is the structural schematic diagram of the electromagnetic clutch of double inductive switches；By successively different to two inductive switches in mandril motion process The triggering of sequence releases triggering, thus to realize the accurate judgement to the mandril direction of motion and position.Even, by two or The combination of serial or parallel connection between multiple inductive switches, and the circuit that this group of inductive switch is formed and electromagnetic coil, power supply System is connected, to can make electromagnetic wire in a certain of short duration specific stroke in the motion process of mandril upward or downward Circle form of short duration reverse power supply access, can be realized when power supply system is normal, can not mechanically open electromagnetism from The purpose of clutch.Compared to single inductive switch, the inductive switch mould group formed by multiple inductive switches can be obtained more accurately The direction of motion and the position of mandril and other objects related with mandril are taken, can make to control when taking precautions against illegal technology unlocking System processed can more effectively make necessary control judgement.In this regard, being regarded as the protection scope of the utility model.

It is appreciated that in the embodiment, collectively formed by mandril, push rod spring, push plate fixture block, fixture block spring to iron core and The effect of push plate；And it can also be using the collective effect by push plate circlip substitution push plate fixture block and fixture block spring；Mandril is transported upwards When dynamic directly to push plate circlip act on and so that push plate circlip is twisted, push plate circlip to withhold push plate and can mandril to After lower movement, the active force reversed by itself releases the buckle to push plate.And it is further, can also using directly by The mandril of more complex structure, or the mandril with elastic deformation function substitute push rod spring, push plate fixture block, fixture block spring Effect, namely during mandril is moved upwards by external force or is swung up with certain point for axis, elastic deformation occurs and completes Iron core is pushed to move upwards and to the buckle of push plate；Above structure can even is that and directly be formed by lock core or other external structures Structural body implement all or part of effect of mandril, as lock core body drives other structures body directly to be formed to pushing away in rotation The control of plate such as blocks push plate upper end from electromagnetic clutch hull outside.In this regard, those skilled in the art are not making creation Property labour under the premise of every other split lock construction obtained structure implementation, be regarded as the utility model protection Range.

It can be seen that also include in the electromagnetic clutch for Antimagnetic open antimagnetic mould group, the antimagnetic mould group by It is collectively formed with the matched tagger in iron core lower end and elastomer；When kicker magnet is close to the electromagnetic clutch, tagger quilt Kicker magnet absorption occurs to move and withhold the lower end for being located at the iron core for extending downwardly position, to make iron core that can not move.It can To understand, the antimagnetic mould group with said function can also be by the spring body for fixing Self-retaining electromagnet component and be located at Being collectively formed with the matched convex block of iron core on shell.In this regard, the utility model is without limiting.

It is appreciated that pushing iron core movement in the electromagnetic clutch, when moving upwards using mandril；It can also be by pushing up Increase flexible mandril elastic structure on bar or mandril is directly constituted by elastic structure, and is tied by the elasticity Structure body is responsible for that iron core is pushed to move upwards；Then when iron core is limited and can not be moved by antimagnetic mould group, the upward movement of mandril is only It can make mandril elastic structure or the mandril being made of elastic structure that elastic deformation occur, without will lead in electromagnetic clutch Portion's structure is damaged.Mode with such construct is more, as mandril upper-end part of driving is equipped with the bullet for pushing iron core to move Spring perhaps mandril be directly made of spring body also or mandril be similar to aforementioned hollow iron core constituted mode etc..It is right This, is regarded as the range of the utility model protection.

As shown in figure 9, controlling clutch sub-assembly for handle commonly used on a kind of lockset with above-mentioned electromagnetic clutch Configuration schematic diagram.It includes by Handleset housing base and Handleset case lid that the handle, which controls clutch sub-assembly, The outer housing of composition, and it is located at the intracorporal preceding shifting block of shell and rear shifting block；It is wherein also equipped on preceding shifting block and turns in preceding shifting block The shifting block reset spring that shifting block resets before elastic deformation occurs when dynamic and can make；Preceding shifting block can be rotated relative to outer housing, and preceding group Block also includes clutch pin and pin spring in its pin hole；When clutch pin is driven fully into pin hole and is blocked When entering in the card slot of rear shifting block, the deformation of pin spring simultaneously applies outside thrust to clutch pin, and shifting block can band before rotating Shifting block rotates coaxially after dynamic；And clutch pin is out of rear shifting block card slot when being detached from and extending downwardly pin hole, shifting block before rotating Rear shifting block is unable to drive to rotate coaxially.It is appreciated that constituting the side of such handle control structure part in existing electronic lock product Formula is more, but is substantially and promotes preceding shifting block and rear shifting block clutch or linkage using by controlling clutch pin, to play Control the effect that can electric lockset be opened by handle.In this regard, the utility model is with no restrictions.

It can be seen that the electromagnetic clutch in foregoing description is also equipped in outer housing in Fig. 9, electromagnetic clutch peace Loaded below preceding shifting block, upper surface and the pin hole of push plate are oppositely arranged, and when push plate is towards preceding shifting block upward sliding, can be pushed Clutch pin retracts upwards.It is appreciated that control push plate whether can upward sliding, that is to say that controlling handle control structure part is It is no normally-open to realize.

It is appreciated that the embodiment in, electromagnetic clutch is completely installed in the shell of handle control structure part, electromagnetism from Clutch has itself complete shell；And in practical application, electromagnetism shell can also be merged with the shell of handle control structure part, It directly include the components such as preceding clutch, rear clutch in handle control structure part in an electromagnetism shell.In this regard, should all regard For the range of the utility model protection.

The electromagnetic clutch opened using a kind of anti-technology of above-mentioned construction, mandril push up iron core movement it Before, so that push plate is limited and can not be moved；And when mandril completes to push the upward movement of iron core or after, only need to be to electromagnetic wire Circle is powered control, iron core can be made to cannot keep retracted mode, so that the movement of mandril be made to fail, has effectively taken precautions against logical Cross the purpose that technological means opens electromagnetic clutch.

Embodiment two: the electromagnetic clutch that another anti-technology is opened.

As shown in Figure 10, for another kind include handle control structure part electromagnetic clutch stereogram exploded view；Wherein, Shell is collectively formed by housing base and housing cover；The iron core upper end of the two-way Self-retaining electromagnet of the electromagnetic clutch is fixed The push rod being made of copper rod is installed, push rod upper end stretches out in electromagnetic coil central through hole upper end and pushes away by spring and inverted U The upper surface of plate connects, and has buckle slot on the pin of push plate side；Push plate upper surface be located at preceding shifting block pin hole in from Dowel pin nail matching, push plate move upwards the clutch pin retraction that can make to extend downwardly pin hole in pin hole；Housing base position Be also equipped with push plate fixture block and fixture block spring in the buckle slot side, have on push plate fixture block with the matched raised fixture block of buckle slot, Push plate fixture block extends downward and has a ramp formation；Mandril is installed, mandril is to push plate fixture block inclined-plane structure below the iron core The side made has mandril ramp formation that is upwardly extending and matching with the ramp formation of push plate fixture block, the mandril ramp formation The ramp formation of push plate fixture block will be pushed to move when mandril is pushed upwardly and push plate fixture block is made to withhold the buckle in push plate Slot；There is push rod spring in mandril bottom surface；The microswitch with touching spring is also equipped on the housing base of mandril side.

It is appreciated that although push rod is fixedly installed in iron core upper end, but it is pushed away by spring and inverted U in the embodiment The upper surface elastic connection of plate, when equally also may be implemented in mandril and being moved upwards and push plate fixture block is made to withhold push plate, mandril It pushes iron core to move upwards and can only make the spring between push plate and the push rod of iron core upper end that elastic deformation occur and shrink, It will not influence the movement of iron core；The function of the electromagnetic clutch in above-described embodiment can also be realized as a result,.

It is appreciated that connected between fixed push rod and push plate by spring on iron core in the embodiment, and essence is also A kind of elastic connection way between iron core and push plate；It as a result, can also be by iron core or on the accessory structure part of iron core It installs and carries out elastic connection, program Chinese patent Granted publication as previously described between the support spring and push plate of elastically deformable " one kind is for electricity by a kind of number CN104358472B " clutch of handle lock " and Chinese patent Authorization Notice No. CN204311857U The electromagnetism valve clutch that son is locked " in, it is the same in such a way that the support spring on iron core connects push plate, when iron core moves upwards, Upward active force will be applied to push plate by support spring to push push plate upward sliding；And after iron core moves downward, support spring Namely lose upward active force to push plate.Herein without repeating.

A kind of embodiment three: control method for the electromagnetic clutch that technology anti-as previously described is opened.

Under original state, when moving upwards mandril by the effect of external force, mandril controls push plate, or top Bar makes the movement of push plate fixture block or push plate circlip or rotates to withhold push plate and move upwards it can not, while mandril Movement makes inductive switch component be triggered；The upward movement of mandril moves upwards iron core and opposite electromagnetic coil retracts, iron core Apply upward active force to push plate.

At this point, electromagnetic coil is protected if control system judges that the movement is legal or control system breaks down Hold off-position；When mandril starts to move downward, iron core keeps in retracted mode and applies upward active force to push plate, Bar is disengaged with iron core；When mandril continues to move downward, mandril or push plate fixture block, also or push plate circlip is released to push plate Control, iron core makes push plate upward sliding by the upward active force to push plate and keeps high-order, and electromagnetic clutch passes through machine Tool mode is opened.

Alternatively, control system is reversely powered simultaneously to electromagnetic coil when mandril moves upwards and triggers inductive switch component It keeps；When mandril starts to move downward, iron core cannot keep the retracted mode and move downward jointly with mandril；And mandril, Or push plate fixture block, also or push plate circlip release to the control of push plate before, iron core restores to low level and keeps, and final push plate is released from Control, push plate still maintain low level.

The electromagnetic clutch control method that a kind of anti-technology of the present embodiment is opened, by inductive switch component by by outer When the mandril of power effect carries out unlocking action and triggers, control system is reversely powered by control electromagnetic coil to be powered and keeps, Iron core cannot keep high-order and make push plate upward sliding, so that the unlocking action be made to fail, prevention electromagnetic clutch can be realized Encounter the control method that illegal technology is opened.

A kind of example IV: another control method for the electromagnetic clutch that technology anti-as previously described is opened.

Difference of the present embodiment compared to example IV is, when the mandril starts to move downward, electromagnetic coil keeps disconnected Electricity condition, iron core keep being in retracted mode, and mandril is disengaged with iron core；Mandril continues to move downward, and mandril or push plate Fixture block, also or push plate circlip is not when releasing the control to push plate also, inducted switch module senses the movement shape of mandril at this time State and position, control system is reversely powered to electromagnetic coil, after iron core moves downward, electromagnetic coil power-off；Mandril continues downward Movement, mandril or push plate fixture block, also or push plate circlip is released to push plate, and after iron core is with the downward movement of mandril at this time Restore to low level and kept, iron core releases the upward active force to push plate, and push plate still maintains low level.

It is appreciated that the present embodiment compares embodiment three, the standard that control system passes through motion state and position to mandril Really judgement, can be in the on-off electricity condition of the control electromagnet on more Perfect Time, to realize under the premise of reducing power consumption Anti- technology opens the purpose of electromagnetic clutch, is more advantageous to answering in the occasion being powered using the battery electromagnetic clutch With.

Those of ordinary skill in the art may be aware that the final purpose of the utility model is to be touched in clutch by external force It sends out and makes during being turned on, make push plate is limited can not move by mechanical realization, realize in conjunction with automatically controlled mode to electromagnet Control, to effectively realize control to electromagnetic clutch.The control of clutch and the clutch with the above characteristics as a result, Method processed, is regarded as the protection scope of the utility model.

However, not limiting the protection of the utility model the foregoing is merely the preferable possible embodiments of the utility model Range, the variation of the equivalent structure that therefore, the specification of the utility model is applied and accompanying drawing content is made are all contained in practical In novel protection scope.

Claims (9)

1. a kind of electromagnetic clutch that anti-technology is opened characterized by comprising

Shell with accommodating cavity；

Push plate can slide up and down to and be set in the accommodating cavity；

It is installed on being collectively formed in accommodating cavity by electromagnetic coil, the iron core by solenoid controlled, iron core spring, permanent magnet Two-way Self-retaining electromagnet；Under electromagnetic coil off-position, when iron core is stretched out or retracted with respect to electromagnetic coil, this can be kept State；Wherein iron core and the push plate elastic connection, when iron core moves upwards or after, upward active force is applied to push plate and is used in combination To push push plate upward sliding；When iron core moves downward or after, push plate slide downward or push plate are still maintained in low level；

Mandril is located in or beyond accommodating cavity；When mandril is moved upwards or is swung up by external force, positioned at pushing away for low level Plate can not be moved by structural member associated with external force control, and mandril pushes the iron core not limited additionally to transport upwards It is dynamic；Mandril moves downward or when to lower swing, and push plate is released from control.

2. the electromagnetic clutch that anti-technology according to claim 1 is opened, which is characterized in that described when mandril is by outer masterpiece With and when moving upwards or being swung up, the push plate positioned at low level can not be transported by structural member associated with external force control It is dynamic, it refers to；

When mandril moves upwards or is swung up, mandril, which controls the push plate positioned at low level, move it can not；Mandril to Lower movement or when to lower swing or after, mandril releases the buckle to push plate；

Or the electromagnetic clutch further includes the push plate fixture block or push plate circlip being installed in accommodating cavity；The push plate fixture block or The effect that push plate circlip is moved upwards or is swung up by the mandril, also or the push plate fixture block or push plate circlip are by external force Effect, push plate fixture block or the movement of push plate circlip twist and withhold push plate, to make push plate that can not move upwards；Mandril to Lower movement or when to lower swing or after, push plate fixture block or push plate circlip release the buckle to push plate；

Also either when mandril moves upwards or is swung up, the external force acted on mandril makes push plate by other structures part It is controlled and can not be moved；Moved downward in mandril or when to lower swing or after, which releases the buckle to push plate.

3. the electromagnetic clutch that anti-technology according to claim 2 is opened, which is characterized in that the iron core and the push plate Elastic connection, when iron core moves upwards or after, upward active force is applied to push plate and to push push plate upward sliding；Iron core When moving downward or after, push plate slide downward or push plate are still maintained in low level；It refers to:

The iron core is by the elastomer connecting with itself or the elastomer for the other structures part being fixedly connected with iron core, with institute State push plate connection or contact, when the iron core moves upwards or after, upward active force is applied to push plate by elastomer；At this time If push plate is controlled and can not be moved, push plate can not upward sliding, distortional elastomer, which simultaneously generates, makes the work of push plate upward sliding Firmly；And if push plate is not controlled or has been released from control, elastomer drive push plate move upwards；When iron core moves downward or Afterwards, perhaps gone back by gravity slide downward or push plate is held in low level by push plate for elastomer drive push plate slide downward；

Or it is movably installed with the extension stem of the opposite iron core telescopic movable of energy being made of no permeable material on the iron core and stretches Stick spring, iron core are contacted by extension stem with push plate；When the iron core moves upwards or after, if push plate is controlled and can not be transported It is dynamic, then push plate can not upward sliding, extension stem retracts with respect to iron core or stretches out and make extension stem spring deformation, and generation makes push plate The active force of upward sliding；And if push plate is not controlled or has been released from control, extension stem promotion push plate upward sliding；Iron core When moving downward or after, extension stem downward associated movement or is still held in low level therewith, push plate by gravity slide downward or It is held in low level.

4. the electromagnetic clutch that anti-technology according to claim 3 is opened, which is characterized in that have buckle in the push plate Slot；It is described when mandril is moved upwards or is swung up by external force, positioned at low level push plate by with the external force phase Associated structural member control can not move；It refers to:

It is described when mandril is moved upwards or is swung up by external force, mandril withholds the card in the push plate of low level Catching groove move upwards push plate can not；

Or when mandril is moved upwards or is swung up by external force, the push plate fixture block or push plate circlip withhold position Buckle slot in the push plate of low level move upwards push plate can not；

Also or when mandril moves upwards or is swung up, the external force acted on mandril withholds position by other structures part Buckle slot in the push plate of low level move upwards push plate can not.

5. the electromagnetic clutch that anti-technology according to claim 3 is opened, which is characterized in that further include inductive switch mould Group, for incuding the motion state of mandril or push plate fixture block or push plate circlip or iron core, also either for incuding to mandril Apply the movement of the object of external force, the inductive switch mould group is the inductive switch structure identical or different by one or more properties It is touch-switch or microswitch or magnet-sensitive switch, also or photosensitive switch etc. is moved for sense object at, the inductive switch And energy output phase answers the electronic component of electric variable；The inductive switch mould group is located in shell or outside shell.

6. the electromagnetic clutch that anti-technology according to claim 2 is opened, which is characterized in that further include being transported upwards in mandril The push rod spring that deformation occurs when dynamic and mandril can be made to reset.

7. the electromagnetic clutch that anti-technology according to claim 3 is opened, which is characterized in that further include for making push plate card The fixture block spring that block is resetted.

8. the electromagnetic clutch that anti-technology according to claim 2 is opened, which is characterized in that the shell with accommodating cavity Body, including housing base and case lid.

9. the electromagnetic clutch that anti-technology according to claim 2 is opened, which is characterized in that the mandril also includes top Bar elastic structure or mandril are made of elastic structure；The mandril of working as is moved upwards by external force or is put upwards When dynamic, mandril pushes the iron core not limited additionally to move upwards；It refers to:

The electromagnetic clutch also includes that can not transport upwards for that can limit iron core when acting on using strong magnetic force iron core Dynamic antimagnetic mould group；

It is described when mandril is moved upwards or is swung up by external force, when iron core is not limited by antimagnetic mould group, mandril Elastic structure or the mandril being made of elastic structure push iron core to move upwards；And when iron core is limited by antimagnetic mould group, Mandril elastic structure or the mandril being made of elastic structure can not push iron core to move upwards, so that elastic deformation occur simultaneously Apply the active force moved upwards to iron core.