CN206256764U

CN206256764U - A kind of safety door

Info

Publication number: CN206256764U
Application number: CN201621016532.5U
Authority: CN
Inventors: 秦子建; 秦汉
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2017-06-16
Anticipated expiration: 2026-08-31

Abstract

The utility model discloses a kind of safety door, belong to lock technology field.A kind of safety door of the present utility model, including door body and lock, lock is arranged in door body, lock includes lock core (1), blocking mechanism (2), lock box (3) and key (4), through being arranged on lock box (3), blocking mechanism (2) is arranged in lock box (3) lock core (1)；Limited block (2011) in blocking mechanism (2) keeps off core (106) mutual cooperation to drive blocking mechanism (2) to realize locking a door and unlocking with the motion solution in lock core (1).The features such as the utility model has strong security function, dependable performance, simple structure compared with prior art.

Description

A kind of safety door

Technical field

The invention belongs to lock technology field, in particular, belong to a kind of safety door.

Background technology

Spring lock lockset is provided with safety door etc. in the prior art, in the prior art the operation principle of spring lock lockset Typically all gear drive principle.Figure 1A and Figure 1B are the structural representation of spring lock lockset in the prior art, spring lock lockset Including lock core 1, blocking mechanism 2, lock box 3, lock box 3 is arranged on door and is engaged with the appearance glossal canal in doorframe, and blocking mechanism 2 is set In lock box 3, lock core 1 interacts through in lock box 3 and with blocking mechanism 2, and blocking mechanism 2 generally drives coupled Main dead bolt is moved back and forth, and blocking mechanism 2 can also drive coupled upper secondary dead bolt and lower secondary dead bolt reciprocating motion (figure simultaneously 1A and Figure 1B are not shown)；Spring lock lockset is generally arranged at marginal position in door, main dead bolt after lockset locking when locking a door, Upper secondary dead bolt and lower secondary dead bolt are inserted in the corresponding appearance glossal canal of doorframe, glossal canal include with main dead bolt coordinate main glossal canal and on The lower labella groove that the upper labella groove and lower secondary dead bolt that secondary dead bolt coordinates coordinate.Blocking mechanism 2 generally drives coupled self-locking Dead bolt realizes self-locking campaign, during self-locking dead bolt just springs into the self-locking lock tongue slot of doorframe under the action of the spring after normally closing the door, This technical characteristic is also not shown in Figure 1A and Figure 1B.

After key is inserted in lock core 1, manually manually rotation key band movable lock core 1 rotates, and is provided with lock core 1 Raised tooth, the raised tooth on lock core 1 is engaged with stopper slot in blocking mechanism 2.During the reciprocating rotary of lock core 1, on lock core 1 Raised tooth also follows the integral-rotation of lock core 1, after the raised tooth of lock core 1 touches the stopper slot in blocking mechanism 2, the meeting of lock core 1 Blocking mechanism 2 is driven to move back and forth.The operation principle of prior art lockset is similar to the operation principle of pinion and rack, but When difference is that lock core 1 only has rotation to turn around, the raised tooth on lock core 1 can just be engaged once with stopper slot in blocking mechanism 2.

The lockset of prior art is widely used in household safe door, confidential archive room and other application occasion, existing skill The lockset of art there is many defects so that its security is substantially reduced.The lock core 1 of prior art lockset can be logical in outdoor Cross and manually changed, this carries out theft crime and provides conveniently condition for lawless person opens household safe door.Separately The lock core 1 of outer prior art lockset can be unlocked after MASTERKRY is inserted, if lawless person possesses numerous " omnipotent Key " then can easily open any fan safety door.How efficiently against defect present in prior art, enhancing lockset Security performance be always this area a big technical barrier.

The content of the invention

The present invention gives a kind of safety door to efficiently solve above technical problem.

A kind of safety door of the invention, including door body and lock, lock are arranged in door body, lock bag Lock core, blocking mechanism, lock box and key are included, through being arranged on lock box, blocking mechanism is arranged in lock box lock core；Its feature exists In, wherein：

Lock core includes fixed lock core, motion lock core, lock core sleeve, lock core supporter, motion solution gear core, solution gear core motion Groove, tight loop, unlocking button, back-moving spring；Fixed lock core, motion lock core, lock core sleeve, lock core supporter, motion solution gear core, Solution gear core movement slots, tight loop, unlocking button, back-moving spring are coaxially disposed together；

Blocking mechanism includes that main dead bolt sub-agencies, point pawl rotating mechanism, handle are locked a door handle connection strap inside and outside spinning roller, door； Pawl rotating mechanism is divided to be connected to inside and outside door on handle connection strap；Point pawl rotating mechanism is arranged in lock box, point pawl rotating mechanism and Torsion spring is provided between lock box；Main dead bolt sub-agencies are connected with a point pawl rotating mechanism.

Safety door in accordance with the above, it is preferable that fixed lock core, motion lock core and lock core sleeve coaxial package are connected to one Rise, key pellet is provided between fixed lock core and motion lock core；It is lock core supporter, motion solution gear core, solution gear core movement slots, tight Gu Quan is provided with back-moving spring together with unlocking button connects between tight loop and unlocking button；Fixed lock core and lock core branch Support body is connected, and motion lock core is connected with motion solution gear core.

Safety door in accordance with the above, it is preferable that determining on fixed lock core is dynamic on core marble hole and motion lock core Key pellet is provided with core marble hole；Key pellet includes the outer pellet of pellet, key and key marble spring in key；Key Against lock core sleeve, the other end against the outer pellet of key, one end of the outer pellet of key abuts key pellet for one end of marble spring , against pellet in key, one end of pellet abuts dynamic core marble hole against the outer pellet of key, the other end in key for spring, the other end Bottom.

Safety door in accordance with the above, it is preferable that the key tongue in key is mutual with the appearance key glossal canal moved in lock core After cooperation overcomes the elastic acting force of back-moving spring, motion lock core to drive motion solution gear core to be moved along lock core axis direction, move Solution gear core on solution gear boss lock a door face release limited block is carried out it is spacing with realizes unlocking.

Safety door in accordance with the above, it is preferable that the length of the outer pellet of key is one in all key pellets in lock core The length of pellet is different in key in cause, at least two key pellets.

Safety door in accordance with the above, it is preferable that pellet is including under pellet in pellet top in key and key in key Portion, pellet lower length is all consistent in the key of pellet in all keys；Bullet in the key of pellet at least two keys The length on sub- top is different.

Safety door in accordance with the above, it is preferable that pellet is stepped cylindrical shape in key in key pellet；In key The dynamic core marble hole that pellet is engaged is ladder circle post holes, and all dynamic core marble hole in motion lock core is consistent；Key The shape of interior pellet is adapted with the shape of dynamic core marble hole.

Safety door in accordance with the above, it is preferable that at least six groups are provided with lock core with corresponding key groove phase on the key The key pellet of cooperation, every group of at least three key pellets；Be provided with the key at least six groups with lock core in key pellet Completely one-to-one key groove, every group at least three one-to-one key grooves complete with every group key pellet.

Safety door in accordance with the above, it is preferable that be provided with hold key glossal canal and lock core with motion lock core on the key The key tongue that conduit is engaged, is additionally provided with the key groove being engaged with key pellet in lock core on the key, and key overcomes key In the elastic acting force insertion movable lock core of pellet.

Safety door in accordance with the above, it is preferable that after being moved after key insertion in lock core, all key pellets and key Upper corresponding key groove is engaged, and the composition surface of pellet and the outer pellet of key is in motion in the key in all key pellets Clutch space, motion lock core between lock core and fixed lock core can be relatively fixed lock core motion.

Safety door in accordance with the above, it is preferable that blocking mechanism also includes being connected to the door inside and outside door on handle connection strap Outer handle, door Internal handle, handle are locked a door spinning roller.

Safety door in accordance with the above, it is preferable that be provided with limited block on the main dead bolt sub-agencies in blocking mechanism, it is spacing Block cooperates to drive blocking mechanism to realize locking and unlocking with the motion solution gear core in lock core.

Safety door in accordance with the above, it is preferable that being provided with lock core supporter carries out the limit of sports limiting to limited block Position block passage, is provided with the solution gear boss corresponding with limited block passage and limited block, on solution gear boss on motion solution gear core Be provided with to limited block carry out move cooperation solution gear boss slip into face and limited block is carried out spacing cooperation solution keep off boss Lock a door face.

Safety door in accordance with the above, it is preferable that be provided with point pawl rotating mechanism of blocking mechanism and locked a door rotation with handle The spinning roller positive stop lug boss of locking a door that wheel is engaged.

Safety door in accordance with the above, it is preferable that be additionally provided with what is be connected with point pawl rotating mechanism respectively in blocking mechanism Upper secondary dead bolt sub-agencies, lower secondary dead bolt sub-agencies, upper secondary dead bolt sub-agencies are connected with upper secondary dead bolt, and lower secondary dead bolt sub-agencies are with Secondary dead bolt is connected.

Safety door in accordance with the above, it is preferable that the key cooperated with key is provided with the motion lock core of lock core Hole obturator, keyhole obturator is including in the middle part of enclosure interior, obturator, outside obturator；Enclosure interior and obturator Together, obturator middle part is arranged among enclosure interior and obturator outside external connection.

Safety door in accordance with the above, it is preferable that the material in the middle part of obturator is that portion and closing are external in relative closure body The strong permeability magnetic material in portion, is the weak permeability magnetic material in the middle part of relative closure body outside enclosure interior and obturator；The material of key It is that can attract the permeability magnetic material in the middle part of obturator.

Safety door in accordance with the above, it is preferable that have lock core groove in two symmetrical lock cores with motion on obturator outside The reciprocating motion spacing tongue that road is engaged；Obturator has two symmetrical magnetic force spacing tongues on middle part；Obturator has two on outside The individual symmetrical motion guide conduit being engaged with the upper magnetic force spacing tongue in obturator middle part；Have on obturator middle part two it is symmetrical Open core envelope pellet motion inclined-plane and two respectively with open core and seal the limited impression that is engaged of pellet；Obturator has on outside Two symmetrical obturator marble holes being engaged with core envelope pellet respectively；One end of enclosure interior is that arc cone shape is used In key pellet is opened, the other end of enclosure interior is used to be fitted close with obturator outside, has in the motion lock core of lock core The lock core conduit cooperated with keyhole obturator.

Safety door in accordance with the above, it is preferable that unlocking button and motion solution gear core cooperate and overcome back-moving spring Elastic acting force, motion solution gear core moved along lock core axis after thereon solution gear boss lock a door face release limited block is carried out it is spacing To realize unlocking.

Safety door in accordance with the above, it is preferable that dynamic on the dynamic core guide positioning pin and motion lock core on fixed lock core Core gathering sill cooperates and realizes the sports limiting of motion lock core.

The features such as present invention has strong security function, dependable performance, simple structure compared with prior art.Lockset of the present invention Security performance be provided with huge raising compared to traditional locks, from the external world be difficult extract lock core and then unlocking；Lockset of the present invention is relative Conventional lock operation is simpler, as long as can easy for unlocking after key insertion lock core；Using lockset of the present invention to existing skill Art is transformed to be facilitated very much.

Brief description of the drawings

Accompanying drawing 1A, 1B are the structural representations of lockset in the prior art；

Accompanying drawing 2A, 2B, 2C, 2D are the structural representations of lockset of the present invention；

Accompanying drawing 3A, 3B, 3C, 3D, 3E, 3F are the assembling schematic diagrams of lock box in lockset of the present invention；

Accompanying drawing 4A, 4B, 4C are the split schematic diagrames of blocking mechanism of the present invention；

Accompanying drawing 5A, 5B, 5C, 5D, 5E, 5F, 5G, 5H, 5I, 5J, 5K, 5L, 5M, 5N, 5O, 5P, 5Q, 5R are lock cores of the present invention Split type structure assembling schematic diagram；

Accompanying drawing 6A, 6B, 6C, 6D are that door outer handle OR gate Internal handle of the present invention is locked a door process schematic；

Accompanying drawing 7A, 7B, 7C, 7D are key unlocking process schematics of the present invention；

Accompanying drawing 8A, 8B are unlocking button unlocking process schematics of the present invention；

Accompanying drawing 9A, 9B, 9C, 9D, 9E, 9F are that the cooperation of spring marble in key of the present invention and key and lock core is illustrated Figure；

Accompanying drawing 10A, 10B, 10C, 10D, 10E, 10F are lockset structural representations mounted on a door.

Description of reference numerals：

Specific embodiment

Fig. 2A, Fig. 2 B, Fig. 2 C, Fig. 2 D are the structural representations of lockset of the present invention, and the lockset in this specific embodiment includes Lock core 1, blocking mechanism 2, lock box 3, blocking mechanism 2 are arranged in lock box 3, and lock core 1 is carried out through lock box 3 and to blocking mechanism 2 Control.There is motion restriction relation, motion solution gear with the limited block 2011 in blocking mechanism 2 in the motion solution gear core 106 in lock core 1 Core 106 can control the control of the movement travel of limited block 2011 and then realization to whole blocking mechanism 2, which achieves lock Door operation and unlocking operation.

When safety door with lockset in this specific embodiment is locked a door, in manual rotation door outer handle 205 outdoors or in door Interior manual revolving door Internal handle 206 can be realized carrying out operation of locking a door to lockset.Peace with lockset in this specific embodiment After air cock is locked a door, key 4 is inserted in outdoors to lock core 1 or unlocking button 109 is pressed indoors can realize to lock Tool carries out unlocking operation.If locked a door when leaving home, insertion key 4 is i.e. achievable right in outdoors to lock core 1 when going home Lockset carry out unlock and.Go home to enter house close the door after manual revolving door Internal handle 206 i.e. be capable of achieving door in lock a door.If going home to enter Lock a door afterwards, then pressed unlocking button 109 when going out indoors and be capable of achieving to unlock lockset.

Door outer handle 205 performs function of locking a door, and door Internal handle 206 can perform function of locking a door, door outer handle 205 and Men Nei The function of handle 206 with prior art is completely the same, meet life convention, this function of this specific embodiment lockset with it is existing The function of having technology lockset is similar.

Technical characteristic and technical characteristic of the prior art shown in Fig. 3 series and its similar, set in Fig. 3 A in lock box 3 Blocking mechanism 2 is equipped with, lock box 3 is not connected with lock core 1, the OR gate Internal handle 206 of door outer handle 205；Blocking mechanism in Fig. 3 B, Fig. 3 C 2 are assembled with lock box 3；The agent structure of blocking mechanism 2 is provided with Fig. 3 D in lock box 3；Handle is set in lock box 3 in Fig. 3 E Lock a door spinning roller 209；Lock box 3 is connected with blocking mechanism 2 and finishes in Fig. 3 F.

Main dead bolt sub-agencies 201 are connected with main lock house, limited location block 2011 on main dead bolt sub-agencies 201.Main dead bolt extension set There is a sports limiting groove 2012 on structure 201, have one in lock box 3 with this spacing bearing of corresponding master of sports limiting groove 2012 301, the sports limiting groove 2012 and the spacing bearing 301 of corresponding master make winner's dead bolt sub-agencies 201 along the water of lock box 3 Square to motion.

Upper secondary dead bolt sub-agencies 202 are connected (not shown) with upper secondary dead bolt, have two on upper secondary dead bolt sub-agencies 202 Movement slots, there is two secondary spacing bearings 302 corresponding with the two movement slots in lock box 3, the two movement slots and therewith Corresponding secondary spacing bearing 302 causes upper pair dead bolt sub-agencies 202 along the movement in vertical direction of lock box 3.

Lower secondary dead bolt sub-agencies 203 are connected (not shown) with lower secondary dead bolt, have two on lower secondary dead bolt sub-agencies 203 Movement slots, there is two lower secondary spacing bearings 303 corresponding with the two movement slots in lock box 3, the two movement slots and therewith Corresponding lower secondary spacing bearing 303 causes lower pair dead bolt sub-agencies 203 along the movement in vertical direction of lock box 3.

Have in lock box 3 one for set point pawl rotating mechanism 207 mechanism's installation base 304, divide a pawl rotating mechanism 207 to set Can be rotated about after putting on mechanism's installation base 304, a point pawl rotating mechanism 207 has a square through hole, the square through hole is used In connection door outer handle 205 and door Internal handle 206, with so that 206 pairs of points of pawl rotating mechanisms of door outer handle 205 and door Internal handle 207 are acted on, can be driven during point pawl 207 reciprocating rotary of rotating mechanism main dead bolt sub-agencies 201, upper secondary dead bolt sub-agencies 202, Lower secondary dead bolt sub-agencies 203 are moved back and forth.

The section of the inside and outside handle connection strap 2010 of door is square, and the pivot of blocking mechanism 2 is a square through hole, should Square through hole can be through handle connection strap 2010 inside and outside door be set, and handle connection strap 2010 is used to connect door outer handle inside and outside door 205 and door Internal handle 206.The section of the inside and outside handle connection strap 2010 of door is circular or polygon, handle connection strap inside and outside door 2010 can drive point rotary motion of pawl rotating mechanism 207.Mechanism's installation base 304, point pawl rotating mechanism 207, handle The lock a door center of spinning roller 209 is all through hole, and these through holes are used for handle connection strap inside and outside foregoing door and run through blocking mechanism 2 and lock box 3。

Point pawl rotating mechanism 207, handle spinning roller 209 of locking a door carries out mutual cooperation work together, to utilize door outer handle 205 Operation of locking a door is realized to lockset with door Internal handle 206.Divide and torsion is provided between pawl rotating mechanism 207 and mechanism's installation base 304 Spring, torsion spring applies contraction power to point pawl rotating mechanism 207 so that winner's dead bolt sub-agencies 201, upper secondary dead bolt sub-agencies 202nd, lower secondary dead bolt sub-agencies 203 are in contraction state, and torsion spring can be overcome by door outer handle 205 and door Internal handle 206 Elastic force winner dead bolt sub-agencies 201, upper secondary dead bolt sub-agencies 202, lower secondary dead bolt sub-agencies 203 is opened and then is driven master Dead bolt, upper secondary dead bolt, lower secondary dead bolt enter in doorframe.

When locking a door, the spinning roller raised 2091 of locking a door that handle is locked a door on spinning roller 209 is in contact with a point pawl rotating mechanism 207 Afterwards, spinning roller of locking a door raised 2091 drives the realization that turns clockwise of a point pawl rotating mechanism 207 to lock a door.

Fig. 4 A, Fig. 4 B, Fig. 4 C be the main dead bolt sub-agencies 201 of critical piece of blocking mechanism 2, upper secondary dead bolt sub-agencies 202, The schematic diagram of lower secondary dead bolt sub-agencies 203, point pawl rotating mechanism 207.Three connecting rods of pawl rotating mechanism 207 are divided to drive master respectively Dead bolt sub-agencies 201, upper secondary dead bolt sub-agencies 202 and lower secondary dead bolt sub-agencies 203.

Blocking mechanism 2 includes main dead bolt sub-agencies 201, upper secondary dead bolt sub-agencies 202 and lower secondary dead bolt sub-agencies 203, door Outer handle 205, door Internal handle 206, point pawl rotating mechanism 207 etc., main dead bolt sub-agencies 201, upper secondary dead bolt sub-agencies 202 and under Secondary dead bolt sub-agencies 203 are connected with a point pawl rotating mechanism 207 respectively, and main dead bolt sub-agencies 201 are connected with main dead bolt, upper secondary dead bolt Sub-agencies 202 are connected with upper secondary dead bolt, lower secondary dead bolt sub-agencies 203 are connected with lower secondary dead bolt.

Main dead bolt sub-agencies 201, upper secondary dead bolt sub-agencies 202 and lower secondary dead bolt extension set are driven with a point pawl rotating mechanism 207 Structure 203 carries out reciprocating action and can realize the reciprocating action of main dead bolt, upper secondary dead bolt and lower secondary dead bolt；Main dead bolt sub-agencies 201 Main dead bolt is driven to move back and forth in the horizontal direction, upper secondary dead bolt sub-agencies 202 drive upper pair dead bolt in up-and-down motion, Lower secondary dead bolt sub-agencies 203 drive lower pair dead bolt in up-and-down motion.Lock a door operation when lockset locking after main lock Tongue, upper secondary dead bolt and lower secondary dead bolt are inserted into doorframe corresponding in holding glossal canal, main dead bolt, upper secondary lock when unlocking operation Tongue and lower secondary dead bolt are pulled out out corresponding appearance glossal canal in doorframe.

Fig. 5 A are the Split type structure schematic diagrames of lock core of the present invention；Different parts in lock core 1 be in dispersity with Beneficial to the internal structure and its operation principle of identification lock core 1.

Fig. 5 B, 5C are fixed lock cores 101 to be configured with motion lock core 102 and is connected, and core pellet is determined on fixed lock core 101 Hole 1011 is corresponding with the dynamic core marble hole 1021 on motion lock core 102, determines core marble hole 1011 complete with dynamic core marble hole 1021 It is complete corresponding one by one, the dynamic core marble hole 1021 determined on core marble hole 1011 and corresponding sports lock core 102 on fixed lock core 101 It is engaged for accommodating corresponding key pellet.

There are key groove 402 corresponding with key pellet in lock core 1, the process of the insertion motion lock core 102 of key 4 on key 4 In, the key groove 402 on key 4 is mutually coordinated with the key pellet in lock core 1.Two key tongues 401 on key 4 with Two appearance key glossal canals 1022 in motion lock core 102 are corresponding, after the insertion motion lock core 102 of key 4, gently rotate key 4 Two appearance key glossal canals 1022 of lock core 102 can be moved to cause two key tongues 401 on key 4 to screw in being respectively symmetrically In.

Fig. 5 D, 5E are the key pellet corresponding with the overall insertion of the motion composition of lock core 102 of fixed lock core 101, fixing lock On core 101 determine core marble hole 1011 be engaged to the dynamic core marble hole 1021 on corresponding sports lock core 102 it is corresponding for accommodating Key pellet, the lock core sleeve 103 of subsequent installation closes to key pellet.

Each key pellet 1012 includes the outer pellet 10122 of pellet 10121, key and key marble spring in key 10123, pellet 10121 is arranged in the dynamic core marble hole 1021 of motion lock core 102 in key, and the outer pellet 10122 of key is set Determine core marble hole 1011 in fixed lock core 101, key marble spring 10123 is arranged on lock core sleeve 103 and fixed lock core 101 determine between core marble hole 1011, and key marble spring 10123 is to pellet in key under the support of lock core sleeve 103 10121 and the outer pellet 10122 of key apply elastic acting force.

After the insertion motion lock core 102 of key 4, under all effects of key grooves 402 on key 4, all key pellets Interface in key in 1012 between pellet 10121 and the outer pellet 10122 of key is just at motion lock core 102 and fixation In the separated space of lock core 101, to door after the appearance key glossal canal 1022 on the screw-in motion lock core 102 of key tongue 401 on key 4 Outer drawing key 4, key 4 can drive motion lock core 102 to moving outdoors, motion lock core 102 to when moving outdoors, motion lock core 102 drive motion to solve gear core 106 conciliates the entirety of the composition of gear core movement slots 107 to moving outdoors, and motion solves the solution on gear core 106 Gear boss is locked a door the position-limiting action that face 10612 is abandoned to limited block 2011, point pawl rotating mechanism 207 torsion spring 307 effect it Under drive main dead bolt, upper secondary dead bolt, lower secondary dead bolt to leave doorframe immediately；Opened the door to unlocking is realized simultaneously when drawing key 4 outdoors.

Fig. 5 F, 5G, 5H are lock core sleeve 103 and fixed lock core 101 and the overall company of being configured of the motion composition of lock core 102 Connect, lock core sleeve 103 is closed to fixed lock core 101 with the key pellet 1012 in motion lock core 102, lock core sleeve 103 Two set seal the cartridge marble holes 1031 in be provided with two cores envelope pellets 1032.Fixed lock core 101, motion lock core 102, lock core The material of sleeve 103 can be the material without magnetic such as copper, aluminium, copper alloy, aluminium alloy.

Fig. 5 I, 5J, 5K are that keyhole obturator 104 is constituted with fixed lock core 101, motion lock core 102 and lock core sleeve 103 Entirety is configured connection, and keyhole obturator 104 includes that enclosure interior 1041, obturator middle part 1042, closing is external The part of portion 1,043 3, the material at obturator middle part 1042 is ferromagnetic material, and the material of enclosure interior 1041 can be steel material Material, or obturator outside 1043 can be the non-magnet material of the material aluminium material of the weak magnetic conductivity such as copper-iron alloy.

Obturator middle part 1042 can be pulled together with enclosure interior 1041, and key 4 can be to obturator middle part 1042 Apply stronger magnetic adhesion to overcome the magnetic adhesion between obturator middle part 1042 and enclosure interior 1041.Obturator Internal 1041 magnetic conductivity when so allowing for key 4 near keyhole obturator 104, is sealed less than the magnetic conductivity of key 4 Closure middle part 1042 can overcome the suction of enclosure interior 1041, and meeting obturator middle part 1042 can be pulled together with key 4.

One end of enclosure interior 1041 is that arc cone shape is used to open key pellet 1012, enclosure interior 1041 The other end be used for and obturator outside 1043 be fitted close.Have on obturator outside 1,043 two it is symmetrical with motion lock core The reciprocating motion spacing tongue 10432 that lock core conduit 1023 is engaged in 102；Have on obturator outside 1,043 two it is symmetrical with envelope The motion guide conduit 10431 that magnetic force spacing tongue 10421 is engaged on closure middle part 1042；There are two on obturator outside 1043 The symmetrical obturator marble hole 10433 being engaged with core envelope pellet 1032 respectively.

There are two symmetrical magnetic force spacing tongues 10421 on obturator middle part 1042；Obturator middle part 1042 on have two it is right The motion inclined-plane 10422 for opening core envelope pellet 1032 for claiming and two respectively with open core and seal the limit that is engaged of pellet 1032 Position groove 10423.Core envelope pellet 1032 is arranged in the set seal the cartridge marble hole 1031 of lock core sleeve 103, core envelope pellet 1032 Closing control is carried out to keyhole obturator 104, the fortune being engaged with core envelope pellet 1032 is provided with obturator middle part 1042 Dynamic inclined-plane 10422.

Keyhole obturator 104 is arranged in the keyhole of motion lock core 102, and keyhole obturator 104 enters to keyhole Row closing.When in the insertion keyhole of key 4, in the middle part of the obturator in the attraction keyhole of key 4 obturator 104 under magneticaction 1042 move out, and can so release sealing process of the keyhole obturator 104 to keyhole, and key 4 can be gradually inserted In keyhole.When key 4 leaves keyhole, obturator middle part 1042 is under the magneticaction of no key 4, keyhole closing Body 104 can be brought back at the opening of keyhole and keyhole is closed.

Core envelope pellet 1032 is provided with core envelope marble hole on lock core sleeve 103, core envelope pellet 1032 is included in core envelope The part of pellet 10321, core envelope spring 10322, core envelope pellet obturator 10,323 3, core seals pellet obturator 10323 to lock core set Core envelope marble hole on cylinder 103 is closed, and core seals spring 10322 and applies elastic acting force, core envelope to pellet 10321 in core envelope Interior pellet 10321 is engaged with motion inclined-plane 10422 and limited impression 10423 on obturator middle part 1042.Key 4 is not leaned on During nearly lock core 1, pellet 10321 is engaged with limited impression 10423 in core envelope；When key 4 is near lock core 1, pellet in core envelope 10321 are engaged with motion inclined-plane 10422.

Fig. 5 L, 5M are that lock core supporter 105, motion solution gear core 106 are conciliate gear core movement slots 107 and constitute overall set Put connection.Limited block passage 1051 is corresponding with the solution gear boss 1061 on motion solution gear core 106, the solution gear of solution gear boss 1061 It is completely corresponding with limited block passage 1051 that boss slips into face 10611.There is monoblock type clutch boss 1062 on motion solution gear core 106, Monoblock type clutch boss 1062 on motion solution gear core 106 is corresponding with the inside groove of solution gear core movement slots 107.

Motion solution gear core 106 one end be connected with unlocking button 109, the other end back-moving spring 1010 resilient force Lower to be connected with solution gear core movement slots 107, motion solution gear core 106 is arranged in lock core supporter 105 and can be in lock core supporter Moved back and forth in 105；Solution gear boss 1061 is provided with motion solution gear core 106, solution gear boss is provided with solution gear boss 1061 Slip into face 10611 and solution gear boss is locked a door face 10612；Solution gear boss slips into face 10611 conciliates gear boss and locks a door face 10612 Corresponding with the limited block passage 1051 on lock core supporter 105, solution gear boss slips into face 10611 conciliates gear boss and locks a door face 10612 are coordinated with the limited block 2011 for slipping over limited block passage 1051.Motion solution gear core 106 leads to unlocking button 109 Cross screw thread to be connected, external screw thread is provided with motion solution gear core 106, be provided with unlocking button 109 outer with motion solution gear core 106 The internal thread that screw thread is engaged.

During locking a door, the limited block 2011 of main dead bolt sub-agencies 201 is in door outer handle 205 or door Internal handle 206 In the presence of gradually pass through limited block passage 1051, in the process limited block 2011 gradually slip over solution gear boss 1061 solution gear Boss slips into face 10611；Limited block 2011 slips into face 10611 and is applied with along its axle to motion solution gear core 106 by solution gear boss The active force in heart direction, this has acted on the elastic force for overcoming back-moving spring 1010, and the monoblock type clutch on motion solution gear core 106 is convex Platform 1062 is disengaged with the inside groove of solution gear core movement slots 107；Limited block 2011 slips into face 10611 eventually through solution gear boss, Motion solution gear core 106 automatically resets under the elastic force effect of back-moving spring 1010, the monoblock type clutch on motion solution gear core 106 The inside groove of boss 1062 and solution gear core movement slots 107 is had an effect reality against lock a door face 10612 and limited block 2011 of, solution gear boss Show and locked a door.

Dual lock button 109 applies the effect that active force overcomes the elastic acting force of back-moving spring 1010, motion solution gear core 106 Along after the axial-movement of lock core 1 thereon solution gear boss lock a door face 10612 release limited block 2011 is carried out it is spacing with realizes unlocking. Apply active force to key 4, such that motion lock core 102 drives motion solution gear core 106 to overcome the elastic acting force of back-moving spring 1010 Effect, motion solution gear core 106 released to limited block along the solution gear boss face 10612 of locking a door after the axial-movement of lock core 1 thereon 2011 carry out it is spacing with realize unlock.

Fig. 5 N, Fig. 5 O are another structural representations of motion solution gear core 106, and this motion solution gear core 106 is split Formula structure, including motion solution keeps off the main body and split type two parts of clutch boss 1063 of core 106, is set on motion solution gear core 106 There are a split type clutch boss 1063 being connected thereto, split type clutch boss 1063 and the phase interaction of solution gear core movement slots 107 With；It is connected by screw thread between the main body and split type clutch boss 1063 of motion solution gear core 106, split type clutch boss 1063 are connected through solution gear core movement slots 107 with the motion solution gear main body of core 106, can be provided with split type clutch boss 1063 Inner hexagonal hole is beneficial to installation operation.

Fig. 5 P are that fixed lock core 101, motion lock core 102, lock core sleeve 103 and the composition of keyhole obturator 104 are overall Constitute overall being configured and be connected with lock core supporter 105, the motion solution gear reconciliation gear core of core 106 movement slots 107.

Lock core supporter 105 is attached with lock box 3, and lock core supporter 105 can be fixed in lock box 3 with screw. The external screw thread of lock core supporter 105 is engaged to cause lock core supporter 105 and fixed lock core with the internal thread of fixed lock core 101 101 are connected as a single entity, and fixed lock core 101 and lock core supporter 105 are connected as a single entity solid with lock box 3 during locking a door and unlocking It is fixed motionless.

The external screw thread of solution gear core movement slots 107 is engaged to cause solution gear core movement slots with the internal thread of motion lock core 102 107 with motion lock core 102 be connected as a single entity, outdoors unlock when key 4 drive motion lock core 102 along lock core 1 axis direction to When outer motion, motion lock core 102 is conciliate gear core movement slots 107 and drives motion solution gear core 106 simultaneously together along lock core 1 Axis direction is moved out so that solution gear boss is locked a door, and face 10612 disengages with limited block 2011, limited block 2011 resets, At the same time divide pawl rotating mechanism 207 under the elastic force effect of torsion spring 308 can automatic traction main dead bolt sub-agencies 201, on secondary lock Tongue sub-agencies 202, lower secondary dead bolt sub-agencies 203 reset.

Fig. 5 Q are tight loop 108, unlocking button 109, back-moving spring 1010 and fixed lock core 101, motion lock core 102, lock Core retainer plate cylinder 103, keyhole obturator 104, lock core supporter 105, motion solution gear core 106 conciliate the composition of gear core movement slots 107 Entirety is configured connection and forms lock core 1.Fig. 5 R are that the assembling of lock core finishes schematic diagram, the structure of the lock core 1 set on lock box 3 As shown in the figure.

Motion solution gear core 106 external screw thread be engaged with the internal thread of unlocking button 109 with cause motion solution gear core 106 and Unlocking button 109 is connected as a single entity, and back-moving spring 1010 and tight loop are provided between motion solution gear core 106 and unlocking button 109 108.Tight loop 108 is used for dual lock button 109 and the motion of back-moving spring 1010 carries out positioning aligning, practical set process Middle tight loop 108 can be arranged on the outside of lock box 3.

Apply active force to overcome the elastic force of back-moving spring 1010, motion solution gear core to unlocking button 109 when unlocking outdoors 106 move out together with unlocking button 109 along the axis direction of lock core 1 so that solution gear boss lock a door face 10612 with it is spacing Block 2011 is disengaged, limited block 2011 resets, and at the same time divides the meeting under the elastic force effect of torsion spring 308 of pawl rotating mechanism 207 The main dead bolt sub-agencies 201 of automatic traction, upper secondary dead bolt sub-agencies 202, lower secondary dead bolt sub-agencies 203 reset.

Lock core positioning table 1052 on tight loop 108 and lock core supporter 105 is fixed to lock core 1 jointly, assembles Tight loop 108 is tightly linked together with lock core supporter 105 by screw thread in journey, and tight loop 108 is with lock box 3 by door Side joint, lock core positioning table 1052 are with lock box 3 by opposite side joint outdoors；Tight loop 108 and lock core positioning table 1052 apply active force to lock core 1, such that lock core 1 is tightly held on lock box 3 from both direction.On lock core supporter 105 Connection screw thread post 1053 be used for connect lock core supporter 105 and tight loop 108, have on lock core supporter 105 and connection screw thread The internal thread hole that post 1053 is engaged, also there is the internal thread hole being engaged with connection screw thread post 1053 on tight loop 108.

Fig. 6 A are lockset schematic diagrames of the present invention；Fig. 6 B are that door outer handle OR gate Internal handle of the present invention is locked a door process schematic One；The safety door for being equipped with the present embodiment lockset is in state of locking a door, and extraneous manpower is applied to the OR gate Internal handle 206 of door outer handle 205 Gate action power is locked so that winner's dead bolt, upper secondary dead bolt and lower secondary dead bolt stretch out is locked accordingly on doorframe in lock box 2 and inserting In glossal canal, but main dead bolt, upper secondary dead bolt and lower secondary dead bolt are also not fully inserted into on doorframe in corresponding lock tongue slot.

Main dead bolt sub-agencies 201, upper secondary dead bolt sub-agencies 202 and lower secondary dead bolt sub-agencies 203 drive corresponding lock house equal In state is not exclusively stretched out, the OR gate Internal handle 206 of door outer handle 205 is subject to extraneous manpower effect in force application movement mistake of locking a door Journey.

During being locked a door manually with handle, work of the main dead bolt sub-agencies 201 in the OR gate Internal handle 206 of door outer handle 205 Under, limited block 2011 thereon can be moved to solution gear boss 1061 direction of motion solution gear core 106.Main dead bolt sub-agencies 201 On limited block 2011 slip into face 10611 and be in contact with the solution gear boss that gear boss 1061 is solved on motion solution gear core 106, limited block 2011 gradually by solving gear boss 1061.The direction of motion that solution gear boss slips into the relative limit block 2011 of face 10611 is one Inclined-plane, the inclined-plane can cause that limited block 2011 slips over the process stabilization of solution gear boss 1061.Limited block 2011 is convex along solution gear Platform is slipped into during face 10611 moves, and the motion solution gear elastic force that is subject to of core 106 is overcome gradually, motion solution gear core 106 along The axis direction motion of lock core 1.

Fig. 6 C, Fig. 6 D are that door outer handle OR gate Internal handle of the present invention is locked a door process schematic two；It is equipped with the present embodiment lockset Safety door be in and lock a door state, extraneous manpower applies to lock a door active force so that winner to 205 OR gate Internal handle of door outer handle 206 Dead bolt, upper secondary dead bolt and lower secondary dead bolt it is fully-inserted enter doorframe in corresponding lock tongue slot.

Main dead bolt sub-agencies 201, upper secondary dead bolt sub-agencies 202 and lower secondary dead bolt sub-agencies 203 drive corresponding lock house equal In fully extended state, the OR gate Internal handle 206 of door outer handle 205 is subject to extraneous manpower effect to rotate end in direction of locking a door Point.

Locked a door manually with handle completion when, limited block 2011 on main dead bolt sub-agencies 201 can completely by solving gear core 106 Solution gear boss 1061.Limited block 2011 on main dead bolt sub-agencies 201 keeps off on core 106 solution for solving gear boss 1061 with motion solution Gear boss slips into face 10611 departing from contact, and limited block 2011 passes completely through understanding gear boss 1061, motion solution gear core 106 Axis direction along lock core 1 under elastic force effect resets, so that blocked main dead bolt point in solution gear boss face 10612 of locking a door Limited block 2011 in mechanism 201.

There is self-locking projection 1091 in door on unlocking button 109, raised with self-locking in door 1091 are provided with lock box 3 corresponding Shrinkage pool, in opposite house to unlocking button 109 apply active force, in door self-locking projection 1091 into shrinkage pool be capable of achieving Men Neikai Lock.Unlocking button 109 is rotated after locking a door in the door, so that self-locking projection 1091 cannot be axially moved in door, thus In door drawback lock and then cannot ensure that lockset is completely locked.

Fig. 7 A, 7B, 7C, 7D are key unlocking process schematics of the present invention；The keyhole of the insertion motion lock core 102 of key 4 In, key 4 is gently rotated so that during two key tongues 401 hold key glossal canals 1022 into move lock core 102 two, to key After 4 apply outside active force, key 4 is driven by motion lock core 102, motion solution gear core 106, solution gear core movement slots 107 along lock The axially outward movement of core 1, the clutch boss 1062 that the inside groove of solution gear core movement slots 107 is kept off on core 106 with motion solution is against making Gear core movement slots 107 must be solved and motion solution gear core 106 is moved together, motion solution gear core 106 under the pulling force effect of key 4 along The axially direction motion towards door outside of lock core 1.

Above-mentioned motion causes that solution gear boss is locked a door the limited block 2011 that face 10612 no longer blocked on main dead bolt sub-agencies 201, A point pawl rotating mechanism 207 in blocking mechanism 2 drives main dead bolt sub-agencies 201, upper secondary dead bolt sub-agencies 202 and lower secondary dead bolt point Mechanism 203 is resetted, and the corresponding glossal canal that holds is returned in door body during main dead bolt, upper secondary dead bolt and lower secondary dead bolt leave doorframe.

Fig. 8 A, 8B are unlocking button unlocking process schematics of the present invention；Unlocked when pressing unlocking button 109 indoors button After 109 overcome the active force of back-moving spring 1010, unlocking button 109, motion solution gear core 106 are along lock core 1 under staff thrust Axially outward movement, motion lock core 102 conciliates gear core movement slots 107 and is relatively fixed lock core 101 and maintain static, motion solution gear Core 106 is moved under the thrust of unlocking button 109 along the axial direction towards door outside of lock core 1.

Fig. 9 A, 9B, 9C, 9D, 9E, 9F are the cooperation schematic diagrams of spring marble in key of the present invention and key and lock core, There are key tongue 401 and key groove 402 corresponding with key pellet 1012 in lock core 1 symmetrically, key in figure on key 4 Tongue 401 has two.On key 4 can at least six group key grooves 402, but only six group key grooves are not limited on key 4 402, it is all corresponding per group key pellet 1012 with lock core 1 per group key groove 402 in key 4.The group number of key pellet 1012 More, then lockset theftproof performances are higher.

18 key pellets 1012 can meet the requirement of high interchangeability, increased the anti-open function of lockset.18 Pellet 10121 is entirely different in key in individual key pellet 1012 at least two key pellets 1012, is so The requirement unlocked can be ensured.The quantity of the key pellet in present embodiment be not limited to foregoing six groups, 18, according to tool Service condition and the interchangeability requirement of body can select other group number and numbers.

The length of the outer pellet 10122 of key is consistent, at least two key bullets in all key pellets 1012 in lock core 1 The length of pellet 10121 is different in key in son 1012.Pellet 10121 includes pellet top 101211 in key in key With pellet bottom 101212 in key, the length of pellet bottom 101212 is all consistent in the key of pellet 10121 in all keys 's；The length on pellet top 101211 is different in the key of pellet 10121 at least two keys.In key pellet 1012 Pellet 10121 is stepped cylindrical shape in key；The dynamic core marble hole 1021 being engaged with pellet in key 10121 is ladder circle Post holes, motion lock core 102 in all dynamic core marble hole 1021 be it is consistent, the dynamic core marble hole 1021 of ladder circle cylindricality Depth is all consistent；The shape of pellet 10121 is adapted with the shape of dynamic core marble hole 1021 in key.

18 key grooves 402 on key 4 are corresponding with 18 key pellets 1012 in lock core 1 respectively, close Pellet 10121 and the outer pellet 10122 of key determine core bullet in lock core 1 all the time in key in the presence of key marble spring 10123 Moved back and forth in sub-aperture 1011 and dynamic core marble hole 1021, pellet 10121 and the outer pellet 10122 of corresponding key have one in key Individual composition surface, the composition surface can also be referred to as interface.

After in the insertion lock core 1 of key 4,18 key pellets 1012 are respectively by 18 key grooves 402 on key 4 Support, in all of key the composition surface of the outer pellet 10122 of pellet 10121 and all of key with motion lock core 102 and consolidate Separated space between fixed lock core 101 is consistent, and now motion lock core 102 can be relatively fixed lock core 101 and carry out relative fortune Move to realize unlocking.

Figure 10 A, 10B, 10C, 10D, 10E, 10F are lockset structural representations mounted on a door, and lockset is integrally provided in Men Shang, as shown in the figure lockset have been able to normal work.

Claims

1. a kind of safety door, including door body and lock, lock are arranged in door body, lock include lock core (1), Blocking mechanism (2), lock box (3) and key (4), through being arranged on lock box (3), blocking mechanism (2) is arranged on lock box to lock core (1) (3) in；Characterized in that, wherein：

Lock core (1) includes fixed lock core (101), motion lock core (102), lock core sleeve (103), lock core supporter (105), motion Solution gear core (106), solution gear core movement slots (107), tight loop (108), unlocking button (109), back-moving spring (1010)；Fixing lock Core (101), motion lock core (102), lock core sleeve (103), lock core supporter (105), motion solution gear core (106), solution gear core fortune Dynamic groove (107), tight loop (108), unlocking button (109), back-moving spring (1010) are coaxially disposed together；

Blocking mechanism (2) is locked a door in spinning roller (209), door including main dead bolt sub-agencies (201), point pawl rotating mechanism (207), handle Outer handle connection strap (2010)；Pawl rotating mechanism (207) is divided to be connected to inside and outside door on handle connection strap (2010)；Divide pawl whirler Structure (207) is arranged in lock box (3), divides and torsion spring (307) is provided between pawl rotating mechanism (207) and lock box (3)；Main dead bolt point Mechanism (201) is connected with a point pawl rotating mechanism (207).

2. safety door according to claim 1, it is characterised in that fixed lock core (101), motion lock core (102) and lock core Sleeve (103) coaxial package is linked together, and key pellet is provided between fixed lock core (101) and motion lock core (102) (1012)；Lock core supporter (105), motion solution gear core (106), solution gear core movement slots (107), tight loop (108) and unlocking are pressed Button (109) is linked together, and back-moving spring (1010) is provided between tight loop (108) and unlocking button (109)；Fixed lock core (101) it is connected with lock core supporter (105), motion lock core (102) is connected with motion solution gear core (106).

3. safety door according to claim 1, it is characterised in that determine core marble hole on fixed lock core (101) (1011) key pellet (1012) is provided with the dynamic core marble hole (1021) and in motion lock core (102)；Key pellet (1012) including pellet in key (10121), the outer pellet (10122) of key and key marble spring (10123)；Key pellet bullet One end of spring (10123) is against lock core sleeve (103), the other end against the outer pellet (10122) of key, the outer pellet of key (10122) one end is against key marble spring (10123), the other end against pellet (10121), pellet in key in key (10121) one end abuts the bottom of dynamic core marble hole (1021) against the outer pellet (10122) of key, the other end.

4. safety door according to claim 1, it is characterised in that key tongue (401) and motion lock core in key (4) (102) appearance key glossal canal (1022) in cooperates and overcomes the elastic acting force of back-moving spring (1010), motion lock core (102) Solution gear boss after driving motion solution gear core (106) to be moved along lock core (1) axis direction, in motion solution gear core (106) is locked a door face (10612) releasing carries out spacing to realize unlocking to limited block (2011).

5. according to any described safety doors of claim 1-4, it is characterised in that all key pellets (1012) in lock core (1) The length of the outer pellet (10122) of middle key is pellet (10121) in key in consistent, at least two key pellets (1012) Length is different.

6. according to any described safety doors of claim 1-4, it is characterised in that pellet (10121) is including in key in key In pellet top (101211) and key pellet bottom (101212), in all keys in the key of pellet (10121) under pellet Portion (101212) length is all consistent；In at least two keys in the key of pellet (10121) pellet top (101211) Length is different.

7. according to any described safety doors of claim 1-4, it is characterised in that pellet in key in key pellet (1012) (10121) it is stepped cylindrical shape；The dynamic core marble hole (1021) being engaged with pellet in key (10121) is stepped cylindrical Hole, all dynamic core marble hole (1021) in motion lock core (102) is consistent；In key the shape of pellet (10121) with The shape of dynamic core marble hole (1021) is adapted.

8. according to any described safety doors of claim 1-4, it is characterised in that be provided with least six groups and key in lock core (1) The key pellet (1012) that corresponding key groove (402) is engaged on spoon (4), every group of at least three key pellets (1012)； Be provided with key (4) at least six groups with lock core (1) in completely one-to-one key groove (402) of key pellet (1012), Every group at least three one-to-one keys groove (402) complete with every group key pellet (1012).

9. according to any described safety doors of claim 1-4, it is characterised in that be provided with key (4) and motion lock core (102) the key tongue (401) that key glossal canal (1022) and lock core conduit (1023) are engaged is held on, key also sets up on (4) There is the key groove (402) being engaged with key pellet (1012) in lock core (1), key (4) overcomes the bullet of key pellet (1012) Property active force insert movable lock core (102).

10. according to any described safety doors of claim 1-4, it is characterised in that move lock core (102) after key (4) insertion In after, all key pellets (1012) key groove (402) corresponding with key (4) be engaged, all key pellets (1012) composition surface of pellet (10121) and the outer pellet (10122) of key is in motion lock core (102) and consolidates in the key in Clutch space, motion lock core (102) between fixed lock core (101) can be relatively fixed lock core (101) motion.

11. safety doors according to claim 1, it is characterised in that blocking mechanism (2) also includes being connected to handle inside and outside door Door outer handle (205), door Internal handle (206) on connection strap (2010), handle are locked a door spinning roller (209).

12. safety doors according to claim 1, it is characterised in that the main dead bolt sub-agencies (201) in blocking mechanism (2) On be provided with limited block (2011), the motion solution in limited block (2011) and lock core (1) is kept off core (106) and is cooperated and closed with driving Latch mechanism (2) realizes locking and unlocking.

13. according to any described safety doors of claim 11-12, it is characterised in that it is right to be provided with lock core supporter (105) Limited block (2011) carries out the limited block passage (1051) of sports limiting, is provided with motion solution gear core (106) logical with limited block Road (1051) and the corresponding solution of limited block (2011) keep off boss (1061), are provided with to spacing in solution gear boss (1061) The solution gear boss that block (2011) move cooperation slips into face (10611) and carries out spacing cooperation to limited block (2011) Solution gear boss is locked a door face (10612).

14. according to any described safety doors of claim 11-12, it is characterised in that point pawl rotating mechanism of blocking mechanism (2) (207) it is provided with and is locked a door the spinning roller positive stop lug boss (2071) of locking a door that spinning roller (209) is engaged with handle.

15. according to any described safety doors of claim 11-12, it is characterised in that blocking mechanism is additionally provided with difference in (2) Upper secondary dead bolt sub-agencies (202), the lower secondary dead bolt sub-agencies (203), upper secondary dead bolt extension set being connected with point pawl rotating mechanism (207) Structure (202) is connected with upper secondary dead bolt, and lower secondary dead bolt sub-agencies (203) are connected with lower secondary dead bolt.

16. safety doors according to claim 1, it is characterised in that be provided with the motion lock core (102) of lock core (1) with The keyhole obturator (104) that key (4) cooperates, keyhole obturator (104) includes enclosure interior (1041), closing Body middle part (1042), obturator outside (1043)；Enclosure interior (1041) and obturator outside (1043) link together, and seal Closure middle part (1042) is arranged among enclosure interior (1041) and obturator outside (1043).

17. safety doors according to claim 16, it is characterised in that the material of obturator middle part (1042) is relative closure Internal portion (1041) and the strong permeability magnetic material of obturator outside (1043), enclosure interior (1041) and obturator outside (1043) It is the weak permeability magnetic material of relative closure body middle part (1042)；The material of key (4) can attract obturator middle part (1042) Permeability magnetic material.

18. safety doors according to claim 16, it is characterised in that have on obturator outside (1043) two it is symmetrical with The reciprocating motion spacing tongue (10432) that lock core conduit (1023) is engaged in motion lock core (102)；On obturator middle part (1042) There are two symmetrical magnetic force spacing tongues (10421)；Have on obturator outside (1043) two it is symmetrical with obturator middle part (1042) the motion guide conduit (10431) that magnetic force spacing tongue (10421) is engaged on；There are two on obturator middle part (1042) The symmetrical motion inclined-plane (10422) for opening core envelope pellet (1032) and two are engaged with opening core and seal pellet (1032) respectively Limited impression (10423)；There are two symmetrical to seal what pellet (1032) was engaged with core respectively on obturator outside (1043) Obturator marble hole (10433)；One end of enclosure interior (1041) is that arc cone shape is used to open key pellet (1012), the other end of enclosure interior (1041) is used to be fitted close with obturator outside (1043), the motion lock of lock core (1) There is the lock core conduit (1023) cooperated with keyhole obturator (104) in core (102).

19. safety doors according to claim 1, it is characterised in that unlocking button (109) and motion solution gear core (106) phase Mutually coordinate and overcome the elastic acting force of back-moving spring (1010), motion solution gear core (106) along after lock core (1) axial-movement thereon Solution gear boss lock a door face (10612) release limited block (2011) is carried out it is spacing with realizes unlocking.

20. safety doors according to claim 1, it is characterised in that the dynamic core guide positioning pin on fixed lock core (101) (1014) cooperated with the dynamic core gathering sill (1024) moved on lock core (102) and realize the motion limit of motion lock core (102) Position.