CN204850760U - Magnetism lock and well lid of installing this magnetism lock - Google Patents

Abstract

The utility model discloses the problem of solving provides a magnetism lock and well lid of installing this magnetism lock. At first this magnetism tool to lock has a good theftproof performance, its lock body include rotatable lock core, with the spring bolt of lock core interlock, the axial is provided with the central jack that runs through this lock core on the lock body, the key cooperatees with this center jack, the lock core cup joints there are a plurality of first magnets at central jack fixed mounting, on the key with this center jack complex outer face of cylinder in fixed mounting have the polylith work as the key correctly insert behind the central jack respectively with each corresponding second magnet of first magnet to have partly first magnet at least for opposite magnetic pole's the mode that sets up relatively between rather than the second magnet that corresponds, thereby resistance and the pivoted drive of settlement are overcome to production messenger lock core between the first magnet of being attracted each other by these and the second magnet when rotating the key. Next provides a well lid of installing this magnetism lock, and this well lid includes the lid, is connected with above -mentioned magnetism lock on the lid.

Description

Magnetic lock and the well lid being provided with this magnetic lock

Technical field

The utility model relates to mechanical field, particularly relates to field of lockset and the well lid field being provided with lockset.

Background technology

At present, generally contact with the direct of lock core thus control lock core unblock by key in field of lockset, thus, lock core in lockset is bound to outside some is exposed to, thus when being provided in thering is no key to thief, still have method to control lock core unblock, this is for lock core, and no matter how complicated its internal construction is, but is exposed to the potential safety hazard that outer part causes its theftproof performance.

Simultaneously, well lid in city is seen everywhere, and the well lid particularly in city often has certain value due to features such as its materials, thus often makes many lawless persons steal his to use, national wealth is incurred loss, and causes great potential safety hazard to road vehicles and pedestrian.

A kind of theftproof performance of present urgent need is good, and the well lid of practicality.

Utility model content

Technical problem to be solved in the utility model is to provide the good magnetic lock of a kind of theftproof performance; Next is to provide a kind of well lid having installed this magnetic lock, and this manhole cover anti-theft performance is good and practicality is high.

For achieving the above object, magnetic lock provided by the utility model comprises lock body, the key matched with lock body, wherein lock body comprises rotatable lock core, with the dead bolt of lock core interlock, lock body is axially provided with the center hub running through this lock core, described key matches with this center hub, described lock core is socketed in center hub and is installed with some first magnets, on the key the second corresponding with described each first magnet respectively after key correctly inserts center hub magnet of polylith is installed with the external cylindrical surface internal fixtion that this center hub coordinates, and be the mode that is oppositely arranged of opposite pole between the first magnet second magnet corresponding with it having a part at least, thus produce between first magnet of being attracted each other by these and the second magnet when rotating key and make lock core overcome the resistance of setting and the drive of rotating.In said structure, obviously key is needed correctly to insert center hub, just attract each other by the first magnet on the second magnet on the key and lock core, rotated by key band movable lock core thus drive the dead bolt with lock core interlock, thus magnetic lock is unlocked.And in the utility model; under lock core and the external world are in the protection of center hub; key is not needed directly to contact with lock core; lock core is not exposed to extraneous part; thus other instruments cannot be used and lock core is rotated; only realize by the correct insertion of key producing non-contact magnetically what it takes with the magnet on lock core and driving lock core; this is for non magnetic lock producer; be difficult to distributing position and the magnetic pole distribution mode of finding out the first magnet in lock core in the short time, thus make magnetic lock have good theftproof performance.

Further, described dead bolt is connected with latch bolt spring, and dead bolt is equiped with tooth bar, and this tooth bar is connected with lock core; And described lock core comprises the first lock core and the second lock core, first lock core and the second lock core are that circular ring structure is socketed in center hub jointly, the inner circle ring set of described circular ring structure is connected in center hub, the outer arc that wherein the first lock core includes wheel blank and wheel blank is provided with the gear teeth of at least one section of arc length, these gear teeth are meshed with tooth bar, and tooth bar is identical with the gear teeth number of teeth, wheel blank is provided with deep-slotted chip breaker simultaneously; Second lock core is installed with some first magnets around center hub, and the second lock core is provided with the circular hole that diameter is less than deep-slotted chip breaker groove width; Described deep-slotted chip breaker and circular hole are provided with connector.In said apparatus, be connected with latch bolt spring by dead bolt, thus can realize dead bolt can carry out automatic telescopic in certain limit in lock body, this mechanism is generally common in lockset at present, so the utility model also takes is this mode; Meanwhile, dead bolt is provided with tooth bar, this tooth bar is connected with lock core thus realizes above-mentioned dead bolt and lock core carries out interlock.And, the first lock core and the second lock core is included in lock core, in said structure, after key correctly inserts center hub, the first magnet on the second magnet on the key and the second lock core is attracted each other, key turns drives the second lock core to rotate, and then circular hole rotates with the second lock core simultaneously, and the second lock core is provided with connector by the deep-slotted chip breaker of circular hole and the first lock core, generally speaking, this structure mechanical field conventional be that pin connects, now, when the connector be connected with deep-slotted chip breaker in circular hole on the second lock core turns to the groove end of deep-slotted chip breaker, drive first lock core is rotated, and the first lock core is equiped with the gear be meshed with the tooth bar on dead bolt, thus the first lock core drives dead bolt motion to realize the unblock of magnetic lock.Simultaneously, the deep-slotted chip breaker that first lock core carries out being connected with the second lock core circular hole is provided with certain arc length, thus the first lock core freely can rotate in the scope of this deep-slotted chip breaker arc length with the second lock core, so realize dead bolt can under the static state of the second lock core only with the first lock core interlock.

Be further, the interior annulus of the second lock core offers at least one groove, the notch of this groove is located at interior annulus, radial mobilizable movable magnet and fixing latch spring is equiped with in described groove, movable magnet is installed on groove notch, latch spring fastening devices is away from notch end in groove, and when movable magnet is positioned at notch, latch spring is in compressive state; The external cylindrical surface internal fixtion coordinated with center hub is on the key oppositely arranged with like pole the 3rd magnet that mode arranges with described movable magnet after being provided with and key correctly being inserted center hub respectively.Said apparatus can guarantee the theftproof performance of magnetic lock further: in the groove of above-mentioned second lock core, when in movable magnet, optional position is positioned at notch, latch spring is all in compressive state, thus the latch spring being in compressive state can to movable magnet thrust to center hub, thus make the wall of movable magnet and center hub interacts, thus make the active force of movable magnet and center hub make the second lock core and center hub be in locking state, when needs drive lock core, the second magnet on the key is not only needed to attract mutually with the first magnet on lock core, also need on the key to there being the 3rd magnet mutually repelled with the movable magnet magnetic pole on the second lock core, just can make key while having the magnetic attracting force driving lock core, also there is the movable magnet magnetic repulsive force corresponding with on lock core, the movable magnet on lock core just can be made to offset the elastic force of the latch spring of compressive state, and make the active force of the movable magnet on lock core and center hub can not hinder the rotation of lock core.In said apparatus, by set at random the position of movable magnet and magnetic pole towards, and make when there is no key, although there is equipment to find out the magnetic pole distribution of magnet in lock core, also cannot learn which magnet is the first magnet in lock core actually, which magnet is movable magnet, further ensure that the theftproof performance of magnetic lock.

Further, the center hub on described lock body is the through hole running through lock body, and key inserts from top in center hub.Be further, described key comprises handle, key positioner structure, key body and drag hook, wherein key body matches with center hub, and magnet is installed, handle is installed on key body upper end, key positioner structure is radial on key body to be protruded, and key positioner structure and handle have more than 30 millimeters spacing along key body axial direction, when key body insertion center hub, key positioner structure and magnetic properties are locked drag hook when surface contacts and be in completely below center hub, drag hook is positioned at after below center hub and can contacts with the soffit of lock body.Center hub on lock body is set to through hole, thus key can pass lock body by central through hole completely.Handle is on the key used for user and holds by key; Key positioner structure and handle have more than 30 millimeters spacing along key body axial direction, even if this spacing also can guarantee during simple on tape gloves armour that for most adult finger is held by key through handle and key positioner structure; Be provided with key positioner structure on the key, thus key can be being avoided to hold when holding handle by person and other positions of magnetic lock collide and injured; And key is inserted from top in center hub, thus when key body insertion center hub, key positioner structure and magnetic properties are locked drag hook when surface contacts and be in completely below center hub, thus drag hook can be contacted with lock body soffit phase structure, thus after can realizing making opening the lock with the key, directly by key, magnetic lock is pulled, together with also key being placed in lock body, prevent key loss simultaneously.

Be further, the end face of the below of described key body is main body lower surface, this main body lower surface is connected with drag hook, described drag hook comprises elongated end, axis body and coupler body, described elongated end is connected with main body lower surface, axis body connects coupler body on this extension, and coupler body can rotate centered by axis body; Described coupler body comprises hook end and support end, wherein hook end and support end lay respectively at the two ends of axis body, and the center of gravity of coupler body is positioned at the inclined hook extreme direction of axis body; It is 0 ° ~ 90 ° that axis body can form angular range with axis body to the line of main body lower surface to the line of hook end.Coupler body on drag hook is connected with main body lower surface on the key by elongated end, can rotate by axis body at coupler body simultaneously, and described coupler body comprises hook end and support end, it is 0 ° ~ 90 ° that axis body can form angular range with axis body to the line of main body lower surface to the line of hook end, thus the rotation of the coupler body on drag hook on axis body can realize drag hook with key body place in place thus together can pass center hub, when the coupler body on drag hook is through after key hole, again can by rotating, realize not locating point-blank with the coupler body on drag hook and key body, thus realize drag hook and contact with lock body soffit.In said structure, make coupler body have the ability of turned position by the axis body that drag hook is arranged and center hub can be passed, contacting with lock body soffit turned position again, and on the coupler body of drag hook, the center of gravity of coupler body is positioned at the inclined hook extreme direction of axis body, thus, when coupler body is not having under extraneous restriction, can be easy to rotate toward hook extreme direction on axis body, its ingenious part is, before key inserts center hub, coupler body can be turned to can through the position of center hub together with key body, treat that coupler body passes after center hub is in lock body soffit completely, coupler body can be made easily to rotate toward hook extreme direction, this process can be locked by key positioner structure and magnetic properties and carry out certain shock between surface, thus by the vibration passing of shock on coupler body.

Further, when the second magnet is corresponding with the first magnet, support end contacts with main body lower surface, and hook end contacts with the soffit of lock body just.Obvious said structure can realize can holding after key driven cylinder rotation unlocks magnetic lock magnetic lock being pulled by key handle at once; And now support end contacts with main body lower surface, thus make coupler body cannot continue again to rotate to hook end around axis body, make the coupler body on drag hook can provide stable pulling force to the soffit of lock body.

Secondly, the utility model provides a kind of well lid installing above-mentioned magnetic lock.For realizing this object, described well lid includes lid, and wherein, described lid is connected with above-mentioned magnetic lock.By the general introduction of above-mentioned magnetic lock, obviously known, the good and well lid that practicality is high of a kind of theftproof performance obviously can be realized when above-mentioned magnetic lock is arranged on well lid of the present utility model.

Be further, lid is connected with the matrix matched with lid, described matrix is loop configuration, this loop configuration inwall can fit with lid outer wall, loop configuration inwall is provided with radial projective structure, this projective structure is loop configuration and is connected with the inwall of matrix, and described projective structure is provided with dead bolt location structure.Described lid base is connected with well lid institute protect object, and Gai Ji is that its part of loop configuration is lid mouth, and loop configuration inwall and the lid outer wall of lid base fit, thus realizes lid and match with Gai Ji; Loop configuration inwall is provided with radial protrusion, thus realizes the support to lid; This projective structure is that loop configuration is connected with lid base inwall, be and the whole ring that is connected with the lid base radial projective structure around lid base inwall is set on the loop configuration inwall of lid base, the support of lid base to lid can be made to realize highly stable effect, also can prevent to a certain extent being prized simultaneously; And Gai Ji is provided with dead bolt location structure, thus after lid being matched with Gai Ji lock, limited the mobile range of dead bolt by dead bolt location structure, and then limit the moving range of lid.

Further, described lid is provided with prying-resistant structure mutually embedding with lid base after lid matches with Gai Ji.Described prying-resistant structure is mutually embedding with lid base after lid matches with Gai Ji, thus realizes except by except dead bolt on lid, also has prying-resistant structure and Gai Ji carry out mutually embedding thus guarantee the theftproof performance of well lid.

Accompanying drawing explanation

Fig. 1 is provided with the well lid of magnetic lock involved by the utility model.

The Gai Ji of Fig. 2 involved by the utility model.

Fig. 3 is that the well lid lid being provided with magnetic lock matches with Gai Ji schematic diagram.

The key of Fig. 4 involved by the utility model.

Fig. 5 is that after the well lid lid being provided with magnetic lock matches with Gai Ji, key inserts center hub, and now key is in a position.

Fig. 6 is that after lid matches with Gai Ji, key inserts center hub, and now key is in another position.

Fig. 7 is drag hook partial enlarged drawing on the key, and now coupler body is in a position.

Fig. 8 is drag hook partial enlarged drawing on the key, and now coupler body is in another position.

Fig. 9 is the right view of Fig. 7.

Figure 10 is the structure chart after lock body removes lock core and dead bolt.

Figure 11 is that complete section figure is looked on a left side of Figure 10.

Figure 12 is magnetic lock first lock core.

Figure 13 is the side-looking complete section figure of Figure 12.

Figure 14 is magnetic lock second lock core.

Figure 15 is that the A-A of Figure 14 is to sectional view.

Figure 16 is that the B-B of Figure 14 is to sectional view.

Figure 17 is that the A-A of Figure 15 is to sectional view.

Figure 18 is that the A-A of Figure 16 is to sectional view.

Figure 19 be magnetic lock lock body partly cut open figure.

Figure 20 is that the A-A of Figure 19 is to sectional view.

Figure 21 is that the B-B of Figure 19 is to sectional view

Figure 22 is the echelon sectional view of magnetic lock lock body, and in this figure, left-hand component is the second lock core place plane, and right-hand component is the first lock core place plane.

Figure 23 is that in Figure 22, magnetic lock does not use keyed deadbolt and lock core to link schematic diagram.

Figure 24 is that in Figure 22, magnetic lock rotates by key driven cylinder schematic diagram of unblanking.

In Figure of description:

1 is lid, comprises outer wall 11, prying-resistant structure 12.

2 is Gai Ji, comprises loop configuration inwall 21, projective structure 22, dead bolt location structure 23.

3 is lock body, comprises lock core 31, dead bolt 32, center hub 33.Wherein lock core 31 comprises the first lock core 311, second lock core 312: the first lock core 311 and comprises wheel blank 3111, the gear teeth 3112, deep-slotted chip breaker 3113; Second lock core 312 comprises the first magnet 3121, circular hole 3122, groove 3123, notch 3124, movable magnet 3125, latch spring 3126.Dead bolt 32 comprises latch bolt spring 321 and tooth bar 322.

4 is key, comprises handle 41, key positioner structure 42, key body 43, drag hook 44.Wherein key body 43 comprises the second magnet 431, the 3rd magnet 432, main body lower surface 433.Drag hook 44 comprises elongated end 441, axis body 442, coupler body 443; Wherein coupler body 443 comprises hook end 4431 and support end 4432.

Detailed description of the invention

The present embodiment is that a kind of magnetic lock and well lid are installed together, and this magnetic lock is mounted in the soffit of well lid.

The well lid being provided with magnetic lock as Figure 1-4, include lid 1, the lid base 2 matched with lid 1, described lid 1 is equiped with the lock body 3 of magnetic lock, lock body 3 comprise rotatable lock core 31, with the dead bolt 32 of lock core 31 interlock, lock body 3 is axially provided with the center hub 33 running through this lock core 31 and the key 4 matched with this center hub 33.

The well lid being provided with magnetic lock as Figure 1-3, lid 1 matches with lid base 2 above lid base 2, wherein lock body 3 is installed on below lid 1, now can insert lock body 3 to realize key 4 after lid 1 matches with lid base 2, lid 1 must offer the hole that for key 4 from lid 1 be inserted into center hub 22 corresponding with the center hub 33 on lock body 3; And the center hub 33 on lock body 3 is set to through hole.

The above-mentioned well lid being provided with magnetic lock, after lid 1 matches with lid base 2, the outer wall 11 of lid 1 fits with the loop configuration inwall 21 of the lid base 2 of loop configuration, this loop configuration inwall 21 is provided with radial projective structure 22, this projective structure 22 is loop configuration and is connected with the inwall of lid base 2, namely, after lid 1 matches with lid base 2, the outer wall 11 of lid 1 fits with the loop configuration inwall 21 of lid base 2, and lid 1 is carried on the projective structure 22 of lid base 2.In the present embodiment, after lid 1 matches with lid base 2, dead bolt 32 on lock body 3 is positioned at the lower orientation of the projective structure 22 of lid base 2, and lid 1 has prying-resistant structure 12 be positioned at the lower orientation of the projective structure 22 of lid base 2, the line between prying-resistant structure 12 and dead bolt 32 is just past the geometric center of lid 1.Lid base 2 is positioned at projective structure 22 lower end and is provided with dead bolt location structure 23, this dead bolt location structure 23 is two downward small boss that projective structure 22 lower end is arranged, thus when dead bolt 32 be positioned at after below projective structure 22, dead bolt 32 is positioned at two small boss centre positions, thus lid 1 slewing area on lid base 2 is limited.

Magnetic lock as shown in figures 20-21, lock body 3 comprises lock core 31, dead bolt 32 and center hub 33.Wherein center hub 33 runs through lock core 31, has interlock between lock core 31 and dead bolt 32, specifically, dead bolt 32 is provided with tooth bar 322 and carries out interlock with lock core 31, and dead bolt 32 is provided with latch bolt spring 321 and makes dead bolt 32 can automatic telescopic simultaneously.

Magnetic lock as shown in figures 20-21, above-mentioned lock core 31 comprises the first lock core 311 and the second lock core 312, first lock core 311 and the second lock core 312 are socketed in center hub 33 for circular ring structure jointly, the inner circle ring set of described circular ring structure is connected in center hub 33, in the present embodiment, as shown in figs. 10-11, lock body 3 offers cavity structure, first lock core 311 and the second lock core 312 are socketed in center hub 33 successively, again cavity structure is closed, thus the first lock core 311 and the second lock core 312 can be completely enclosed within lock body 3.

Magnetic lock as illustrated by figs. 12-13, the similar incomplete tooth gear structure of above-mentioned first lock core 311, wheel blank 3111 outer arc of the first lock core 311 is provided with two ends radian be π the gear teeth 3112, and be provided with one end deep-slotted chip breaker 3113 at wheel blank 3111, in the present embodiment, the radian at these deep-slotted chip breaker 3113 two ends has at least

Magnetic lock as seen in figs. 14-18, above-mentioned second lock core 312 includes the first magnet 3121, circular hole 3122, groove 3123, notch 3123 movable magnet 3125 and latch spring 3126.In the present embodiment, 4 strip first magnets 3121 are provided with in second lock core 312, evenly be fixed in the loop configuration of the second lock core 312, be positioned at in the disjoint plane of the first lock core 311 on the loop configuration inwall 21 of the second lock core 312 simultaneously, offer 8 square grooves 3123, this groove 3123 is only positioned at annular inner wall end opening at the second lock core 312, the other end is blind end, movable magnet 3125 is placed with at notch 3123 end in groove 3123, latch spring 3126 is installed with and by when being set between movable magnet 3125 and latch spring 3126 that in movable magnet 3125, any point is positioned at notch 3123 position at blind end in groove 3123, what latch spring 3126 was all in is compressive state.Meanwhile, above-mentioned second lock core 312 is provided with the circular hole 3122 that diameter is less than arc shaped groove 3113 groove width.

In the present embodiment, the diameter of the circular hole 3122 on the second lock core 312 is deep-slotted chip breaker 3113 groove width on the first lock core 311 and described circular hole 3122 is connected by pin with between deep-slotted chip breaker 3113, namely realizes the first lock core 311 and be connected by pin with the second lock core 312.

Key as shown in Figure 4, the key 4 matched with center hub 33 with above-mentioned lock body 3 includes handle 41, key positioner structure 42, key body 43 and drag hook 44.

In above-mentioned key 4, key body 43 coordinates with center hub 33, and is provided with the second magnet 431 and the 3rd magnet 432.

In key body 43 upper end, handle 41 is installed, handle 41 is vertical with the axial direction of key body 43, be provided with key positioner structure 42 at handle 41 along key body 43 axial direction 40 millimeters of positions, this key positioner structure 42 is the projection of vertical key body 43 axial direction in the present embodiment.

As Figure 7-9, the end face below above-mentioned key body 43 is main body lower surface 433, and this main body lower surface 433 is connected with drag hook 44.Described drag hook 44 comprises elongated end 441, axis body 442 and coupler body 443, and described elongated end 441 is connected with main body lower surface 433, and axis body 442 connects coupler body 443 on this extension 441, and coupler body 443 can rotate centered by axis body 442.Wherein coupler body 443 includes hook end 4431 and support end 4432, and wherein hook end 4431 and support end 4432 lay respectively at the both sides of axis body 442, and coupler body 443 center of gravity is positioned at axis body 442 hook end 4431 direction partially.

In the present embodiment, the elongated end 441 on drag hook 44 is platy structure, and is provided with two pieces the coupler body 413 of drag hook 44 is placed in centre, and coupler body 443 is connected by axis body 442 with tabular elongated end 441, and coupler body 443 is a similar L shape structure.And the rotation of coupler body 443 on axis body 442 can make there is higher laminating between coupler body 443 and key body 43, namely axis body 442 to the line energy of hook end 4431 and axis body 442 to the line of main body lower surface 433 between angle be enough to make coupler body 443 and key body 43 together by center hub 33 at one; Simultaneously when coupler body 443 with key body 43 by after center hub 33, coupler body 443 again can by rotate make axis body 442 to hook end 4431 line energy and axis body 442 to main body lower surface 433 line between angle be enough to the hook end 4431 on coupler body 443 is contacted with lock body 3 soffit.Thus can key 4 complete unblank after directly utilize drag hook 44 will by lock body 3 soffit by lid 1 pull-up.

As shown in Figure 5, in the present embodiment, axis body 442 to the line energy of hook end 4431 and axis body 442 to the line of main body lower surface 433 between angle in minimum value, now, the hook end 4431 on coupler body 443 is fitted with key body 43.

As shown in Figure 6, in the present embodiment, axis body 442 to the line energy of hook end 4431 and axis body 442 to the line of main body lower surface 443 between angle in maximum value, now, hook end 4431 on coupler body 443 can contact with the soffit of lock body 3, thus makes coupler body 443 cannot continue to rotate to hook end 4431 again.And now support end 4432 contacts with main body lower surface 433.Thus make key 4 by hook end 4431 contact with lock body 3 soffit, thus after being unlocked by key 4 by lid 1 pull-up, and now support end 4432 contacts with main body lower surface 433, thus makes hook end 4431 firmly can provide pulling force.

Magnetic lock as shown in figs. 19-21, in lock body 3, after the lock core 31 that first lock core 311 and the second lock core 312 form is arranged on lock body 3 inside, be socketed with center hub 33, first lock core 311 uses pin to be connected with the second lock core 312 by circular hole 3122 and deep-slotted chip breaker 3113, the gear teeth 3112 on first lock core 311 engage with the tooth bar 322 on dead bolt 32, and dead bolt 32 is connected with latch bolt spring 321.

Thus only need key 4 has and with the first corresponding magnet 3121, there is the magnetic pole attracted each other and make key 4 have the ability enough driving lock core 31 to rotate, the 3rd magnet 432 simultaneously key 4 having corresponding movable magnet 3125 mutually to repel makes movable magnet 3125 can offset the elastic force of latch spring 3126 in groove 3123, thus make movable magnet 3125 can not be subject to the elastic force effect of latch spring 3126, and and between the hole wall of center hub 33, have interaction force to hinder the rotation of lock core 31; In the present embodiment specifically, the concrete mode forming active force between the hole wall of movable magnet 3125 and center hub 33 is: center hub 33 position corresponding with movable magnet 3125 offers a blind hole, thus when movable magnet 3125 is subject to the elastic force effect of latch spring 3126, the blind hole inserted in center hub 33 can be passed through thus the locking realized center hub; Realize unlocking by the correct insertion of key 4 and then movable magnet 3125 can be ejected from the blind hole center hub 33 thus unlock.

As shown in Figure 5, after key 4 is correctly inserted into center hub 33, the key positioner structure 42 on key 4 contacted with lid 1 upper surface, the key body 43 on key 4 is through center hub 33, and the coupler body 443 now on drag hook 44 is as Fig. 7 position; When drag hook 44 is in below center hub 33 completely, now can suitably be clashed into by key positioner structure 42 and lid 1 upper surface, after drag hook 44 is subject to certain vibration, namely on coupler body 443, center of gravity position of tending to balance is rotated toward hook end 4431, turns to as Fig. 8 position from the coupler body 443 drag hook 44 from Fig. 7 position.Key 4 is moved to the position that the second magnet 431 on key body 43 is corresponding with movable magnet 3125 with the first magnet 3121 on lock core 31 with the 3rd magnet 432, the position of the key positioner structure 42 now on key 4 and lid 1 as shown in Figure 6 again.

Now, as shown in figure 24, first magnet 3121 opposite sex on the second magnet 431 now on key 4 and the second lock core 312 attracts, thus the rotation of key 4 can drive the first magnet 3121 to drive the second lock core 312 to rotate; The 3rd magnet 432 simultaneously on key 4 and movable magnet 3125 same sex on the second lock core 312 are repelled, thus the movable magnet 3125 on the second lock core 312 moves from notch 3123 toward latch spring 3126 direction in groove 3123, movable magnet 3125 and center hub 33 is made to hinder the rotation of the second lock core 312 without interaction force.When key 4 drives the second lock core 312 to rotate, circular hole 3122 on second lock core 312 drives pin to move in the deep-slotted chip breaker 3113 of the first lock core 311, when circular hole 3122 drives pin to move to deep-slotted chip breaker 3113 groove end, now key 4 continues drive second lock core 312 and rotates, circular hole 3122 drives the first lock core 311 to start to rotate by pin, the gear teeth 3112 on first lock core 311 engage with the tooth bar 322 on dead bolt 32, thus the elastic resistance that the rotation of the first lock core 311 drives dead bolt 32 to overcome latch bolt spring 321 realizes dead bolt 32 moves, thus complete and unblank.Now, there is interaction force between the first magnet 3121 that the second magnet 431 on key 4 and the 3rd magnet 432 are still corresponding with on lock core 31 and movable magnet 3125, dead bolt 32 still can be kept to be in unlocking condition; And now, coupler body 443 on key 4 as shown in Figure 6 its hook end 4431 contacts with the soffit of lock body 3 just, support end 4432 contacts with main body lower surface 433, by holding handle 41 by key 4 by key 4 to pull-up, above-mentioned support end 4432 contacts coupler body 443 cannot be continued to rotate on axis body 442 with main body lower surface 433, hook end 4431 contacts with lock body 3 soffit, thus realize the pull transfer on handle 41 on lock body 3, thus by lock body 3 connect and lid 1 be together pulled upwardly, realize unblanking of the well lid of magnetic lock is housed.

In the present embodiment, the lid 1 sealed process realizing being equipped with magnetic lock that matches with lid base 2 can not be completed by key 4, dead bolt 32 one end outside lock body 3 is provided with inclined-plane common in field of lockset, as shown in figure 23, when not inserting key 4 in lock body 3, dead bolt 32 is subject to external force and moves to latch bolt spring 321 end, tooth bar 322 on dead bolt 32 gear teeth 3112 engaged on the first lock core 311 drive the first lock core 311 to rotate, the deep-slotted chip breaker 3113 that first lock core 311 is arranged makes the first lock core 311 that key 4 can not be needed to drive the second lock core 312 rotate and rotate the arc length of deep-slotted chip breaker 3113.

The above embodiments are only be described preferred embodiment of the present utility model; not design of the present utility model and protection domain are limited; under the prerequisite not departing from the utility model design concept; the various modification that in this area, common engineers and technicians make the technical solution of the utility model and improvement, all should fall into protection domain of the present utility model.

Claims (10)

1. magnetic lock, comprise lock body (3), the key (4) matched with lock body (3), it is characterized in that: lock body (3) comprises rotatable lock core (31), with the dead bolt (32) of lock core (31) interlock, lock body (3) is upper is axially provided with the center hub (33) running through this lock core (31), described key (4) matches with this center hub (33), described lock core (31) is socketed in center hub (33) and is installed with some first magnets (3121), key (4) is upper is provided with polylith the second magnet (431) corresponding with described each first magnet (3121) respectively after key (4) correctly inserts center hub (33) with the external cylindrical surface internal fixtion that this center hub (33) coordinates, and having at least between the first magnet (3121) second magnet (431) corresponding with it of a part is the mode that is oppositely arranged of opposite pole, thus when rotating key (4) between first magnet (3121) of being attracted each other by these and the second magnet (431) generation make lock core (31) overcome the resistance of setting and the drive of rotating.

2. magnetic lock as claimed in claim 1, it is characterized in that: described dead bolt (32) is connected with latch bolt spring (321), dead bolt (32) is equiped with tooth bar (322), this tooth bar (322) is connected with lock core (31), described lock core (31) comprises the first lock core (311) and the second lock core (312), first lock core (311) and the second lock core (312) are socketed in center hub (33) for circular ring structure jointly, the inner circle ring set of described circular ring structure is connected in center hub (33), the outer arc that wherein the first lock core (311) includes wheel blank (3111) and wheel blank (3111) is provided with the gear teeth (3112) of at least one section of arc length, these gear teeth (3112) are meshed with tooth bar (322), and tooth bar (322) is identical with the gear teeth (3112) number of teeth, wheel blank (3111) is provided with deep-slotted chip breaker (3113) simultaneously, second lock core (312) is installed with some first magnets (3121) around center hub (33), and the second lock core (312) is provided with the circular hole (3122) that diameter is less than deep-slotted chip breaker (3113) groove width, described deep-slotted chip breaker (3113) and circular hole (3122) are provided with connector.

3. magnetic lock as claimed in claim 2, it is characterized in that: the interior annulus of the second lock core (312) is offered at least one groove (3123), the notch (3124) of this groove (3123) is located at interior annulus, radial mobilizable movable magnet (3125) and fixing latch spring (3126) is equiped with in described groove (3123), movable magnet (3125) is installed on groove (3123) notch (3124), latch spring (3126) fastening devices is held away from notch (3124) in groove (3123), and movable magnet (3125) is when being positioned at notch (3124), latch spring (3126) is in compressive state, the upper external cylindrical surface internal fixtion coordinated with center hub (33) of key (4) is oppositely arranged with like pole the 3rd magnet (432) that mode arranges with described movable magnet (3125) after being provided with and key (4) correctly being inserted center hub (33) respectively.

4. magnetic lock as claimed in claim 1, it is characterized in that: the center hub (33) on described lock body (3) is for running through the through hole of lock body (3), and key (4) inserts from top in center hub (33).

5. magnetic lock as claimed in claim 4, it is characterized in that: described key (4) comprises handle (41), key positioner structure (42), key body (43) and drag hook (44), wherein key body (43) matches with center hub (33), and magnet is installed, handle (41) is installed on key body (43) upper end, key positioner structure (42) is at the upper radial protrusion of key body (43), and key positioner structure (42) and handle (41) have more than 30 millimeters spacing along key body (43) axial direction, when key body (43) inserts center hub (33), when key positioner structure (42) contacts with lid (1) upper surface, drag hook (44) is in center hub (33) below completely, drag hook (44) can contact with the soffit of lock body (3) after being positioned at center hub (33) below.

6. magnetic lock as claimed in claim 5, it is characterized in that: the end face of the below of described key body (43) is main body lower surface (433), this main body lower surface (433) is connected with drag hook (44), described drag hook (44) comprises elongated end (441), axis body (442) and coupler body (443), described elongated end (441) is connected with main body lower surface (433), axis body (442) connects coupler body (443) on this extension (441), and coupler body (443) can rotate centered by axis body (442); Described coupler body (443) comprises hook end (4431) and support end (4432), wherein hook end (4431) and support end (4432) lay respectively at the two ends of axis body (442), and the center of gravity of coupler body (443) is positioned at axis body (442) hook end (4431) direction partially; It is 0 ° ~ 90 ° that axis body (442) can form angular range with axis body (442) to the line of main body lower surface (433) to the line of hook end (4431).

7. magnetic lock as claimed in claim 6, it is characterized in that: when the second magnet (431) is corresponding with the first magnet (3121), support end (4432) contacts with main body lower surface (433), and hook end (4431) contacts with the soffit of lock body (3) just.

8. the well lid of magnetic lock is as claimed in claim 1 installed, includes lid (1), it is characterized in that: described lid (1) is connected with above-mentioned magnetic lock.

9. well lid as claimed in claim 8, it is characterized in that: lid (1) is connected with the matrix (2) matched with lid (1), described matrix (2) is loop configuration, this loop configuration inwall (21) can fit with lid (1) outer wall (11), loop configuration inwall (21) is provided with radial projective structure (22), this projective structure (22) is for loop configuration and be connected with the inwall of matrix (2), and described projective structure (22) is provided with dead bolt location structure (23).

10. well lid as claimed in claim 8, is characterized in that: described lid (1) is provided with prying-resistant structure (12) mutually embedding with Gai Ji (2) after lid (1) matches with Gai Ji (2).