CN212562841U

CN212562841U - High-key-quantity lock body, anti-theft lock and lamp post door locking device

Info

Publication number: CN212562841U
Application number: CN202021702778.4U
Authority: CN
Inventors: 肖永聪
Original assignee: Individual
Current assignee: Chengdu Chengtou Smart City Technology Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-02-19
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a lock body with high key amount, an anti-theft lock and a lamp post door locking device, wherein the lock body comprises a lock core, a lock shell and a lock tongue; the lock core comprises an unlocking outer joint, a telescopic transmission piece and an unlocking driving piece; the outside of the external joint of unblanking is equipped with the groove of unblanking, unblanks and is equipped with first concatenation inner chamber in the external joint: the driving piece of unblanking is connected through link assembly between unblock pole and the spring bolt including unblanking inner joint and the unblock pole, unblanking and is equipped with second concatenation chamber in the inner joint: first concatenation chamber and second concatenation chamber butt joint intercommunication form the switch and connect the chamber, and the outer end in first concatenation chamber is equipped with the first screens portion that dysmorphism set up, and the inner in second concatenation chamber is equipped with the second screens portion that dysmorphism set up: the telescopic transmission piece is arranged in the switch connecting cavity. The utility model discloses a flexible driving medium indent setting of lock core in the lock body for externally can't unblank through pliers or other instrument accidents, the theftproof is effectual.

Description

High-key-quantity lock body, anti-theft lock and lamp post door locking device

Technical Field

The utility model relates to a lamp pole door tool to lock, concretely relates to high secret key volume lock body, pickproof lock and lamp pole door locking device.

Background

In order to facilitate the installation and maintenance of municipal street lamps, a detachable lamp post door is generally arranged on a lamp post. In order to facilitate the disassembly and assembly of the lamp post door, the conventional method is to directly realize the connection between the lamp post door and the lamp post by adopting a screw locking mode, but the connection and installation mode is too simple, so that the lamp post door is easy to steal or violently open, cables and other equipment in the lamp post are stolen, or people mistakenly touch the cables in the lamp post, thereby causing casualty events. The utility model with the authorization notice number of CN201521153U discloses a high-key-volume axial locking magnetic anti-theft lock for lamp post doors and manhole covers, wherein a magnetic bomb is arranged in a through hole of a lock body, and a lock cylinder is fixed on the lock body through the magnetic bomb; when the lock is unlocked, the end part of the key is provided with a magnet with the same polarity as the outside of the magnetic bomb in the lock body, when the end part of the key is inserted into the front surface of the lock core, the magnet at the end part of the key and the magnetic bomb in the lock body repel each other, so that the magnetic bomb in the lock body loosens the lock core, the lock core is separated from the lock body, and then the lock core is driven to rotate by rotating the key, so that the unlocking can be completed; although the anti-theft lock of this scheme need adopt the key that has magnet just can unblank and open the lamp pole door, increases the imitation degree of difficulty of key, has improved the theftproof effect, still has following problem:

the end part of the lock core in the lock body is exposed, the combination of pliers and neodymium magnet is easy to use, and the lock core which is arranged in an outward protruding mode is clamped tightly, so that rotary unlocking can be realized; or directly clamping the lock core by using pliers or other tools, and then violently destroying the magnetic bomb, thereby causing the failure of the whole anti-theft lock.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the not enough of prior art, provide a high key volume lock body, the theftproof of this lock body is effectual, and the key of unblanking is difficult to imitate, effectively prevents the violent destruction.

A second object of the present invention is to provide an anti-theft lock.

A third object of the present invention is to provide a locking device for a lamp post door.

The purpose of the utility model is realized through the following technical scheme:

a lock body with high secret key amount is characterized by comprising a lock cylinder, a lock shell and a lock tongue; the lock core is arranged in the inner cavity of the lock shell; the lock cylinder comprises an unlocking outer joint, a telescopic transmission piece and an unlocking driving piece; wherein,

the outside of unblanking the external joint is equipped with the groove of lockinging that matches with the key, unblanks and is equipped with the opening in the external joint and towards inboard first concatenation inner chamber: the driving piece of unblanking is including unblanking inner joint and locking bar, the one end of locking bar is connected with the inboard of unblanking inner joint, and the other end of locking bar extends the setting to the inboard, be connected through link assembly between locking bar and the spring bolt, unblanking and being equipped with opening second concatenation chamber towards the outside in the inner joint: first concatenation chamber and second concatenation chamber butt joint intercommunication form the switch and connect the chamber, the outer end in first concatenation chamber is equipped with the first screens portion that dysmorphism set up, the inner in second concatenation chamber is equipped with the second screens portion that dysmorphism set up:

the telescopic transmission part is arranged in the switch connecting cavity, the outer contour of the outer end of the telescopic transmission part is matched with the first clamping part, the outer contour of the inner end of the telescopic transmission part is matched with the second clamping part, and the telescopic transmission part is provided with an embedded magnet with the polarity opposite to that of the unlocking magnet on the key; when the lock body is in a locking state, the outer end of the telescopic transmission piece is separated from the first clamping part; when the lock body is in an unlocking state, the outer end of the telescopic transmission member is connected with the first clamping portion, and the inner end of the telescopic transmission member is connected with the second clamping portion.

The working principle of the lock body with the high secret key amount is as follows:

when the lock body is in a locking state, the outer end of the telescopic transmission piece is separated from the first clamping part; if the unlocking outer joint is clamped and rotated by adopting tools such as a non-matched key or pliers, the unlocking outer joint can only independently perform self idle rotation, and the unlocking driving piece cannot be driven to rotate so as to realize unlocking, so that the lock body is effectively prevented from being opened accidentally. When the lock needs to be unlocked, the key is correspondingly inserted into the unlocking groove, the unlocking magnet on the key and the embedded magnet on the telescopic transmission piece attract each other, so that the telescopic transmission piece moves outwards, the outer end of the telescopic transmission piece is connected with the first clamping portion in the first splicing cavity, the inner end of the telescopic transmission piece is connected with the second clamping portion in the second splicing cavity, and the unlocking outer joint, the telescopic transmission piece and the unlocking driving piece are connected together and can rotate simultaneously; then through rotating the key, under the screens connection effect of first screens portion, second screens portion and flexible driving medium, drive the driving piece rotation of unblanking, thereby make the locking bar rotates, under link assembly's linkage effect, finally opens the spring bolt, accomplishes and unblanks. When the lock needs to be closed, the lock tongue can be closed by reversely rotating the key to reset the unlocking rod, and after the key is pulled out, the telescopic transmission piece is not attracted by the unlocking magnet on the key any more, and is reset under external force or other acting force to be separated from the first clamping part, so that the lock body is in a locking state again.

The utility model discloses a preferred scheme, flexible driving medium and switch are connected and are equipped with elastic element between the chamber, and this elastic element's elasticity makes all the time flexible driving medium's outer end with first screens portion separation.

Preferably, the telescopic transmission part is provided with a limiting rod, one end of the limiting rod is connected with the telescopic transmission part, the other end of the limiting rod extends outwards, and the unlocking outer joint is provided with a transition through hole for the limiting rod to pass through; the elastic element is sleeved on the limiting rod, one end of the elastic element acts on the outer end of the first splicing cavity, and the other end of the elastic element acts on the inner end of the limiting rod.

The utility model discloses a preferred scheme in the switch connection chamber, be equipped with the portion of sliding between first screens portion and the second screens portion, the portion of sliding is than flexible driving medium's outline is big.

In a preferred embodiment of the present invention, the embedded magnet includes a plurality of magnetic stripes, and the plurality of magnetic stripes are uniformly distributed on the flexible transmission member; the lock shell is characterized in that a plurality of clamping grooves are formed in the inner end portion of the lock shell, the magnetic stripes and the clamping grooves are arranged in a one-to-one correspondence mode, and the inner ends of the magnetic stripes extend into the clamping grooves.

In a preferable scheme of the utility model, the unlocking rod is a threaded rod; the connecting rod assembly comprises a first connecting rod and a second connecting rod; the bottom of the lock tongue is rotatably connected to the top of the lock shell; one end of the first connecting rod is provided with a connecting nut matched with the threaded rod, the other end of the first connecting rod is rotatably connected with the rear end of the second connecting rod, and the middle part of the first connecting rod is rotatably connected to the lock shell; the second connecting rod is rotatably connected with the lock tongue, and the unlocking rod is correspondingly arranged in the connecting nut.

An anti-theft lock is characterized by comprising the high-secret-key-quantity lock body and a key; the key unlocking end is provided with an unlocking block matched with the unlocking groove, an unlocking magnet corresponding to the embedded magnet is arranged at the unlocking end of the key, and the unlocking magnet and the embedded magnet are opposite in magnetism.

Preferably, the unlocking end of the key is further provided with a support hole, and the support hole is arranged corresponding to the limiting rod; under the state of unlocking, when the limiting rod moves to the bottom of the supporting hole, the outer end of the telescopic transmission piece is connected with the first clamping portion, and the inner end of the telescopic transmission piece is connected with the second clamping portion.

A lamp pole door locking device is characterized by comprising the lock body; the lamp post door is characterized in that an installation frame is arranged on the inner side surface of the lamp post door, the installation frame is arranged at the top end of the inner side surface of the lamp post door, an installation groove for avoiding the lock body is formed in the installation frame, and the lock body is locked between the installation frame and the lamp post door through a locking piece; the lamp post door is provided with an unlocking port corresponding to the unlocking external joint of the lock body; the lamp post door structure further comprises a bottom limiting piece, one end of the bottom limiting piece is connected to the bottom of the inner side face of the lamp post door, and the other end of the bottom limiting piece extends downwards to be arranged below the lamp post door; the inner wall of the lamp post is provided with an upper limiting block and a lower limiting block, the upper limiting block and the lower limiting block both comprise two blocking blocks, the upper limiting block is arranged at the corresponding position of the lock tongue, and the lower limiting block is arranged at the corresponding position of the bottom limiting part; when the lock body is in a locking state, the lock tongue is tightly abutted to the inner wall of the lamp post and positioned between the two blocking blocks of the upper limiting block, and the bottom limiting part is positioned between the two blocking blocks of the lower limiting block.

Compared with the prior art, the utility model following beneficial effect has:

1. the utility model discloses a high secret key volume lock body, wherein the flexible driving medium indent setting of lock core for externally can't unblank through pliers or other instrument accidents. In addition, through the setting of embedded magnet for flexible driving medium removes in switch connection chamber, and then changes the relation of connection of lock core, and then realizes that the rotation of lock core unblanks, design benefit.

2. When the lock body is in a locked state, the outer end of the telescopic transmission piece is separated from the first clamping part of the unlocking outer joint, and at the moment, even if pliers or other tools are adopted to clamp the unlocking outer joint to violently rotate, the unlocking outer joint can only independently rotate in a self idle mode and cannot drive the unlocking driving piece to rotate so as to realize unlocking, so that the imitation difficulty of the key is improved, and the anti-theft performance is good; for example, when adopting the electric drill violence to destroy the lock core, when the drill bit of electric drill supported tightly and unblanked on the external joint and carried out the drilling, unblanked the external joint and can rotate along with the drill bit together, lead to the unable drilling of drill bit to destroy the lock core.

3. The utility model discloses an anti-theft lock, the degree of matching of key and lock body is high, and the key imitation degree of difficulty is big, is difficult to damage or imitates to steal.

4. The utility model discloses a lamp pole door locking device installs the lock body in the inboard through the mounting bracket to the retaining member is located the lamp pole door, makes unable outside destruction retaining member, thereby avoids whole lock body to drop, ensures that the lock body can lock the lamp pole door on the lamp pole. Meanwhile, the lamp post door locking device is further provided with a bottom limiting part which is matched with the lock body to realize limiting and clamping of the upper end and the lower end of the lamp post door, and the lamp post door locking device is favorable for improving the locking effect of the lamp post door. In addition, an upper limiting component and a lower limiting component are arranged on the lamp pole, the lock tongue and the bottom limiting component are limited in the circumferential direction, and the whole lamp pole door is prevented from sliding in the circumferential direction of the lamp pole.

Drawings

Fig. 1-2 are schematic structural diagrams of a first embodiment of a high-key-amount lock body according to the present invention, in which fig. 1 is a perspective view, and fig. 2 is a perspective view from another perspective view.

Fig. 3-4 are front sectional views of the first embodiment of the high key amount lock and the anti-theft lock of the present invention, wherein fig. 3 is a front sectional view of the telescopic driving member connected to the first clamping portion and the second clamping portion simultaneously, and fig. 4 is a front sectional view of the telescopic driving member connected to the first clamping portion only.

Fig. 5 is a front sectional view of the high key lock of the present invention in an unlocked state.

Fig. 6-8 are schematic structural views of a first embodiment of the locking device for a lamp post door of the present invention, wherein fig. 6 is a perspective view, fig. 7 is a perspective view of the lamp post door and a bottom limiting member, and fig. 8 is a perspective view of the lamp post door locked on the lamp post.

Fig. 9-10 are schematic structural views of a second embodiment of the high-key-content lock body and the anti-theft lock of the present invention, wherein fig. 9 is a front sectional view, and fig. 10 is a perspective view of a key in the anti-theft lock.

Fig. 11 is a front cross-sectional view of a third embodiment of the high key lock of the present invention.

Fig. 12 is a front sectional view of a fourth embodiment of the high key lock body and the anti-theft lock of the present invention.

Fig. 13-14 are schematic structural diagrams of a fifth embodiment of the high-key-quantity lock body of the present invention, wherein fig. 13 is a front sectional view of the elastic element disposed between the outside of the flexible transmission member and the outer end of the first splicing cavity, and fig. 14 is a front sectional view of the elastic element disposed between the inside of the flexible transmission member and the inner end of the second splicing cavity.

Detailed Description

The present invention will be further described with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Example 1

Referring to fig. 1-5, the high-key-value lock body of the embodiment includes a lock cylinder, a lock shell 3 and a bolt 1; the lock core is arranged in the inner cavity of the lock shell 3; the lock cylinder comprises an unlocking outer joint 14, a telescopic transmission piece 20 and an unlocking driving piece; wherein,

the outside of unblanking external joint 14 is equipped with the groove 24 of lockinging that matches with key 2, unblanks and is equipped with the opening in the external joint 14 and towards inboard first concatenation inner chamber: the driving piece of unblanking is including unblanking inner joint 15 and locking bar 6, the one end of locking bar 6 is connected with the inboard of unblanking inner joint 15, and the other end of locking bar 6 extends the setting to the inboard, be connected through link assembly between locking bar 6 and the spring bolt 1, be equipped with the second concatenation chamber of opening towards the outside in the inner joint 15 of unblanking: first concatenation chamber and second concatenation chamber butt joint intercommunication form the switch and connect the chamber, the outer end in first concatenation chamber is equipped with the first screens portion 18 that dysmorphism set up, the inner in second concatenation chamber is equipped with the second screens portion 16 that dysmorphism set up:

the telescopic transmission piece 20 is arranged in the switch connecting cavity, the outer contour of the outer end of the telescopic transmission piece 20 is matched with the first clamping part 18, the outer contour of the inner end of the telescopic transmission piece 20 is matched with the second clamping part 16, and the embedded magnet 21 with the polarity opposite to that of the unlocking magnet 10 on the key 2 is arranged on the telescopic transmission piece 20; when the lock body is in a locked state, the outer end of the telescopic driving member 20 is separated from the first clamping portion 18; when the lock body is in the unlocking state, the outer end of the telescopic driving member 20 is connected to the first positioning portion 18, and the inner end of the telescopic driving member 20 is connected to the second positioning portion 16.

Referring to fig. 3 to 5, an elastic member 25 is disposed between the telescopic driving member 20 and the switch connection cavity, and the elastic force of the elastic member 25 always urges the outer end of the telescopic driving member 20 to be separated from the first positioning portion 18. Through the setting of elastic element 25, make telescopic transmission spare 20 stably keep in the assigned position of switch connection chamber under the shutting state, ensure to separate with first screens portion 18 to effectively ensure the locking effect of lock body, avoid unexpected unblanking. During unlocking, the unlocking magnet 10 in the key 2 and the embedded magnet 21 attract each other, and the telescopic transmission member 20 is moved outwards to rotate and unlock against the elastic force of the elastic element 25; when the lock needs to be locked after unlocking is finished, the key 2 is directly pulled out, and the telescopic moving piece automatically resets backwards under the action of elasticity, so that the lock body is effectively locked. In this embodiment, the elastic element 25 is a spring.

Referring to fig. 3 to 5, a limiting rod 22 is arranged on the telescopic transmission member 20, one end of the limiting rod 22 is connected with the telescopic transmission member 20, the other end of the limiting rod 22 extends outwards, and a transition through hole for the limiting rod 22 to pass through is arranged on the unlocking outer joint 14; the elastic element 25 is sleeved on the limiting rod 22, and one end of the elastic element acts on the outer end of the first splicing cavity, and the other end of the elastic element acts on the inner end of the limiting rod 22. By arranging the limiting rod 22, on one hand, the installation and the position fixation of the elastic element 25 are facilitated, and the automatic resetting and locking of the telescopic transmission part 20 are facilitated through elasticity; on the other hand, when the lock body is in the state of unblanking, flexible driving medium 20 outwards removes under the magnet 10 that unblanks of key 2 used for the outer end of gag lever post 22 passes extend to the external joint 14 outside of unblanking behind the transition through-hole, can set up the supported hole 8 of certain degree of depth on the terminal surface of unblanking of key 2 like this, let the outer end of gag lever post 22 insert in the supported hole 8 to the depth of insertion of gag lever post 22 limits, thereby limit flexible driving medium 20's outward displacement, effectively ensure that flexible driving medium 20's outer end and inner are connected with first screens portion 18 and second screens portion 16 respectively, and then realize driving the driving piece that unblanks and rotate. In addition, the arrangement of the limiting rod 22 improves the matching precision of the key 2, is difficult to imitate unlocking of the key 2 and improves the anti-theft effect; specifically, if the support hole 8 in the key 2 is too deep, the distance that the telescopic transmission member 20 moves outward is too large, so that the rear end of the telescopic transmission member 20 cannot be connected to the second detent portion 16, and the unlocking failure is caused; if the support hole 8 in the key 2 is too shallow, the outward movement distance of the telescopic driver 20 is insufficient, so that the outer end of the telescopic driver 20 cannot be connected to the first catching portion 18, which also results in a failure in unlocking. The rear end of the stopper rod 22 in this embodiment is provided with an enlarged portion which facilitates the positioning of the elastic member 25 (spring).

Referring to fig. 3 to 5, in the switch connection cavity, a sliding portion is provided between the first detent portion 18 and the second detent portion 16, and the sliding portion is larger than the outer contour of the telescopic transmission member 20. In this embodiment, the sliding portion is circularly arranged and includes a first circular portion 19 and a second circular portion 17, the first circular portion 19 is arranged in the first splicing cavity, the second circular portion 17 is arranged in the second splicing cavity, and the first circular portion 19 and the second circular portion 17 are in butt communication to form the sliding portion. Through the arrangement of the sliding part, the outer end part of the telescopic transmission part 20 is positioned in the sliding part in a locking state, at the moment, if the unlocking outer joint 14 is rotated under the action of external force, the telescopic transmission part 20 cannot be driven to rotate, the unlocking outer joint 14 can rotate more smoothly by self, the unlocking outer joint 14 cannot be contacted with the telescopic transmission part 20, the condition that the unlocking outer joint 14 slips is formed, and unlocking is effectively prevented through independent rotation of the unlocking outer joint 14; the sliding portion in this embodiment is formed by the butt-joint and communication of the first circular portion 19 and the second circular portion 17, so that the unlocking outer joint 14, the telescopic transmission member 20 and the unlocking driving member are more compact, and more space is left in the first splicing cavity and the second splicing cavity to form the first clamping portion 18 and the second clamping portion 16, so that the telescopic transmission member 20 in the unlocking state can be fully connected with the unlocking outer joint 14 and the unlocking inner joint 15, and the rotation stress is facilitated to realize the unlocking. Of course, the runner can also be arranged completely in the first or second splice chamber.

Referring to fig. 3 to 5, the embedded magnet 21 is a ring magnet embedded in the telescopic transmission member 20. The unlocking magnet 10 in the key 2 of the anti-theft lock is also arranged corresponding to the ring shape.

Referring to fig. 3 to 5, the unlocking lever 6 is a threaded rod; the connecting rod assembly comprises a first connecting rod 5 and a second connecting rod 4; the bottom of the bolt 1 is rotatably connected to the top of the lock shell 3; one end of the first connecting rod 5 is provided with a connecting nut 7 matched with the threaded rod, the other end of the first connecting rod 5 is rotatably connected with the rear end of the second connecting rod 4, and the middle part of the first connecting rod 5 is rotatably connected to the lock shell 3; the second connecting rod 4 is rotatably connected with the bolt 1, and the unlocking rod 6 is correspondingly arranged in the connecting nut 7. When unblanking and shutting, drive through key 2 and unblank external joint 14, flexible driving medium 20 and unblank the locking lever 6 rotation of driving piece for coupling nut 7 advances or retreats on locking lever 6, thereby impels first connecting rod 5 and second connecting rod 4 all backward or forward swing, and finally drive spring bolt 1 backward or forward rotates, realizes unblanking and shutting. The connecting rod assembly is matched with the unlocking rod to drive the lock bolt 1, so that the motion amplitude of the whole connecting rod assembly is reduced, the connecting rod assembly moves above the lock shell 3, the connecting rod assembly is effectively prevented from being wound with a cable in a lamp post in the unlocking or locking process, the unlocking and locking are ensured to be carried out smoothly, the lock body is prevented from being damaged, and the cable and other parts in the lamp post are prevented from being damaged; in addition, because road surface vibrations often take place, consequently lamp pole and lamp pole door 25 also can often stand vibrations and examine, and this preferred scheme locks spring bolt 1 through the mode of connecting rod, does not receive vibrations to influence, avoids the condition emergence that spring bolt 1 dropped because of vibrations, and locking effect is good. In this embodiment, the top of lock shell 3 is equipped with first connecting block 11 and second connecting block 12, first connecting block 11 sets up the outer end at lock shell 3 top, second connecting block 12 sets up the inner at lock shell 3 top, spring bolt 1 rotates to be connected on first connecting block 11, the middle part of first connecting rod 5 rotates to be connected on second connecting block 12.

Referring to fig. 3-5, the unlocking groove 24 is annularly arranged on the outer end face of the unlocking outer joint 14, and the profile of the unlocking groove 24 is irregularly arranged. The provision of such an unlocking groove 24 increases the difficulty of imitation of the key 2, thereby improving the antitheft function. The unlocking groove 24 in this embodiment is a pattern-type profile.

Referring to fig. 3-5, in this embodiment, a lock cylinder retaining ring 23 is further disposed on an outer side of the unlocking outer joint 14.

Referring to fig. 1 to 5, the working principle of the high-key-volume lock body of the present embodiment is as follows:

when the lock body is in a locked state, the outer end of the telescopic driving member 20 is separated from the first clamping portion 18; if the unlocking outer joint 14 is clamped and rotated by adopting tools such as a non-matched key 2 or pliers, the unlocking outer joint 14 can only independently rotate in a free mode and cannot drive the unlocking driving piece to rotate, unlocking is achieved, and the lock body is effectively prevented from being opened accidentally. When the lock needs to be unlocked, the key 2 is correspondingly inserted into the unlocking groove 24, the unlocking magnet 10 on the key 2 and the embedded magnet 21 on the telescopic transmission member 20 attract each other, so that the telescopic transmission member 20 moves outwards, the outer end of the telescopic transmission member 20 is connected with the first clamping portion 18 in the first splicing cavity, the inner end of the telescopic transmission member 20 is connected with the second clamping portion 16 in the second splicing cavity, and the unlocking outer joint 14, the telescopic transmission member 20 and the unlocking driving member are connected together and can rotate simultaneously; then, by rotating the key 2, the unlocking driving member is driven to rotate under the clamping connection action of the first clamping portion 18, the second clamping portion 16 and the telescopic transmission member 20, so that the unlocking rod 6 rotates, and under the linkage action of the connecting rod assembly, the locking bolt 1 is finally opened, and unlocking is completed. When the lock needs to be closed, the key 2 is rotated reversely, the unlocking rod 6 is reset, the lock tongue 1 can be closed, after the key 2 is pulled out, the telescopic transmission piece 20 is not attracted by the unlocking magnet 10 on the key 2 any more, and the telescopic transmission piece is reset under the action of external force (spring force or magnet attraction force) to be separated from the first clamping part 18, so that the lock body is in a locking state again.

Referring to fig. 3 and 4, the anti-theft lock of the present embodiment includes the high key amount lock body and the key 2; the unlocking end part of the key 2 is provided with an unlocking block 13 matched with the unlocking groove 24, the unlocking end part of the key 2 is provided with an unlocking magnet 10 corresponding to the embedded magnet 21, and the magnetism of the unlocking magnet 10 is opposite to that of the embedded magnet 21.

Referring to fig. 3 and 4, a support hole 8 is further formed at the unlocking end of the key 2, and the support hole 8 is arranged corresponding to the limiting rod 22; in the unlocked state, when the limiting rod 22 moves to the bottom of the supporting hole 8, the outer end of the telescopic transmission member 20 is connected to the first positioning portion 18, and the inner end of the telescopic transmission member 20 is connected to the second positioning portion 16. In this embodiment, a support rod 9 is further disposed in the support hole 8, and the length of the support rod 9 is set to limit the moving distance of the limit rod 22, so as to limit the position of the telescopic transmission member 20.

Referring to fig. 3 to 5, the unlocking method of the anti-theft lock of the embodiment includes the following steps:

(1) correspondingly inserting the unlocking block 13 on the unlocking end part of the key 2 into the unlocking groove 24 of the unlocking outer joint 14 of the lock cylinder, and at the moment, mutually attracting the unlocking magnet 10 on the key 2 and the embedded magnet 21 on the telescopic transmission piece 20 to enable the telescopic transmission piece 20 to move outwards, connecting the outer end of the telescopic transmission piece 20 with the first clamping part 18 in the unlocking outer joint 14, and connecting the inner end of the telescopic transmission piece 20 with the second clamping part 16 of the unlocking inner joint 15;

(2) the key 2 is rotated to enable the unlocking outer joint 14 to rotate, and the telescopic transmission piece 20 and the unlocking inner joint 15 are driven to rotate, and finally the unlocking rod 6 connected to the inner side of the unlocking inner joint 15 is driven to rotate;

(3) when the unlocking rod 6 rotates, the bolt 1 is driven to rotate through the connecting rod component, and therefore unlocking is achieved.

Referring to fig. 6-8, the locking device for the pole door 25 of the present embodiment includes the lock body; the inner side surface of the lamp pole door 25 is provided with an installation frame 16, the installation frame 16 is arranged at the top end of the inner side surface of the lamp pole door 25, the installation frame 16 is provided with an installation groove 31 for avoiding the lock body, and the lock body is locked between the installation frame 16 and the lamp pole door 25 through a locking piece 35; the lamp post door 25 is provided with an unlocking opening 33 corresponding to the unlocking external joint 14 of the lock body; the lamp post door structure further comprises a bottom limiting piece 34, wherein one end of the bottom limiting piece 34 is connected to the bottom of the inner side face of the lamp post door 25, and the other end of the bottom limiting piece 34 extends downwards to be arranged below the lamp post door 25; an upper limiting block 29 and a lower limiting block 30 are arranged on the inner wall of the lamp post, the upper limiting block 29 and the lower limiting block 30 both comprise two blocking blocks, the upper limiting block 29 is arranged at the corresponding position of the lock tongue 1, and the lower limiting block 30 is arranged at the corresponding position of the bottom limiting part 34; when the lock body is in a locked state, the lock bolt 1 abuts against the inner wall of the lamp post and is located between the two blocking blocks of the upper limiting block 29, and the bottom limiting part 34 is located between the two blocking blocks of the lower limiting block 30.

Referring to fig. 1, 2, 6-8, in this embodiment, a mounting plate 36 is disposed on an outer side of the lock housing 3 of the lock body, a limiting groove 32 is further disposed on the mounting frame 16, the limiting groove 32 is disposed in communication with the mounting groove 31, the mounting plate 36 of the lock housing 3 is disposed in the limiting groove 32, and a housing of the lock housing 3 extends outward after passing through the mounting groove 31; the locking piece 35 is a screw rod, and the mounting plate 36 is tightly abutted between the mounting frame 16 and the lamp post door 25 through the screw rod, so that the locking of the whole lock body is realized. Compared with the prior art in which the lock body is directly installed from the outer side surface of the lamp pole door 25 through the screw, the locking device of the lamp pole door 25 of the embodiment is provided with the locking lock body from the inner side, so that the screw or the screw rod is positioned in the lamp pole and is prevented from being exposed, and the lamp pole door is prevented from being damaged by violence.

Referring to fig. 1-2, the mounting plate in this embodiment is provided with a chamfer at the outer side, so that the lock case 3 can be in close contact with the lamp post door 25, the distance between the lock case 3 and the lamp post door 25 is shortened, and the chamfer position is changed from point contact to line contact, which is beneficial to improving the connection stability of the lock body and the lamp post door 25.

Referring to fig. 6-8, a dovetail groove 27 is provided at a position corresponding to the bottom stopper 34 of the light pole door 25, a dovetail rod 28 is provided on the bottom stopper 34, and the bottom stopper 34 is locked in the dovetail groove 27 by screws in a matching manner. In addition, a T-shaped groove or other connecting groove can be arranged on the lamp post door 25 to realize the installation in cooperation with the bottom limiting member 34. This facilitates adjustment of the position of the bottom stop 34 on the pole door 25 to achieve different sizes of pole doors 25 to ensure the stop function.

Example 2

Referring to fig. 9-10, the present embodiment is different from embodiment 1 in that, in the lock body, the embedded magnet 21 includes a plurality of magnetic strips 40, and the plurality of magnetic strips 40 are uniformly distributed on the telescopic transmission member 20; the inner end part of the lock shell is provided with a plurality of clamping grooves, the magnetic strips 40 are arranged in one-to-one correspondence with the clamping grooves, and the inner ends of the magnetic strips 40 extend into the clamping grooves after penetrating through the telescopic transmission member 20. The magnetic strips 40 in this embodiment are disposed in a circular manner around the axis of the telescopic transmission member 20, or may be disposed in a random manner in a triangular, rectangular or other shape. Can set up the magnetic pole of a plurality of magnetic stripes 40 at random, form the magnetic switch of different combinations, it sets up the magnet 10 of unblanking of the same quantity and position to need to correspond on the key 2 this moment, and every magnetic pole of unblanking magnet 10 need with a plurality of magnetic stripes 40 one-to-one, just so can inhale mutually with the cooperation of a plurality of magnetic stripes 40 on the flexible driving medium 20 even effectively through the magnet 10 of unblanking on the key 2, realize flexible driving medium 20's outside removal, so complicated changeable magnetic switch, be favorable to improving the imitation degree of difficulty of key 2, avoid the unexpected lock body of opening, thereby the theftproof function of lock body has been improved. In this embodiment, there are 6 magnetic strips 40 on the telescopic transmission member 20, so that there are 64 magnetic pole patterns on the magnetic strips 40, which makes it difficult to copy the unlocking magnet 10 on the key 2. When one of the unlocking magnets 10 on the key 2 cannot be matched with the magnetic strip 40, even though the elastic force of the elastic element 25 can be overcome to attract the telescopic transmission member 20 to move outwards, the telescopic transmission member 20 is still positioned in the clamping groove at the inner end part of the lock shell 3 because the magnetic strip 40 is not moved outwards, so that even if the key 2 is rotated, the telescopic transmission member 20 is still clamped, and the unlocking inner joint 15 and the unlocking rod 6 cannot be driven to rotate, and further unlocking cannot be realized.

Referring to fig. 10, in the anti-theft lock, there are a plurality of unlocking magnets 10 provided on the key 2, the plurality of unlocking magnets 10 are provided corresponding to the plurality of embedded magnets 21 on the telescopic transmission member 20, and the magnetic poles of the plurality of unlocking magnets 10 correspond to the magnetic poles of the plurality of embedded magnets 21 one by one (are opposite to each other).

Example 3

Referring to fig. 11, the present embodiment is different from embodiment 1 in that a reset magnet 37 is provided at an inner end portion of the unlocking nipple 15 (or on an inner side wall of the second split cavity) in the lock body, and the reset magnet 37 has a magnetic pole opposite to that of an inner end of the embedded magnet 21; meanwhile, the outer end face of the telescopic transmission member 20 is provided with the limiting column 38 protruding outwards, so that the outward movement distance of the telescopic transmission member 20 can be limited, and when the limiting column 38 abuts against the outer end face of the first splicing cavity, the telescopic transmission member 20 is connected with the first clamping portion 18 and the second clamping portion 16 simultaneously, so that the unlocking operation is realized. In the anti-theft lock, the magnetic attraction force of the unlocking magnet 10 of the key 2 is larger than that of the reset magnet 37. In this way, in the locked state, the reset magnet 37 and the embedded magnet 21 attract each other, so that the telescopic transmission member 20 is tightly attracted to one end close to the second clamping portion 16, thereby ensuring that the telescopic transmission member 20 is separated from the first clamping portion 18, and ensuring the locked state; in the unlocked state, the unlocking magnet 10 and the embedded magnet 21 attract each other because the magnetic attraction force of the unlocking magnet 10 on the key 2 is larger than that of the reset magnet 37, so that the telescopic actuator 20 is attracted and moved outward from the end close to the second positioning portion 16, so that the telescopic actuator 20 is connected to the first positioning portion 18 and the second positioning portion 16, and finally, the unlocking is realized through rotation, and after the key 2 is pulled out, the telescopic actuator 20 is moved inward by itself to be reset under the action of the reset magnet 37.

Example 4

Referring to fig. 12, the present embodiment is different from embodiment 1 in that in the anti-theft lock, the other end of the key 2 is further provided with a locking magnet 39, and the magnetic pole of the locking magnet 39 is the same as that of the embedded magnet 21. When unlocking, the key 2 attracts the telescopic transmission piece 20 to move outwards through the unlocking magnet 10 on the unlocking end face so as to carry out rotary unlocking; when the retractable transmission member 20 needs to be reset after being locked and the retractable transmission member 20 is separated from the first positioning portion 18, the locking magnet 39 at the other end of the key 2 is attached to the unlocking outer joint 14, so that the locking magnet 39 and the embedded magnet 21 repel each other, the retractable transmission member 20 is moved inwards to be reset, and the separation from the first positioning portion 18 is ensured.

Example 5

Referring to fig. 13 to 14, the present embodiment is different from embodiment 1 in that in the lock body, one end of the elastic member 25 is connected to the outside of the telescopic driving member 20, and the other end is connected to the outer end of the first splicing chamber, and the elastic force of the elastic member 25 always urges the telescopic driving member 20 to be separated from the first catching portion 18. Alternatively, one end of the elastic element 25 is connected to the inner side of the telescopic driving member 20, and the other end is connected to the inner end of the second splicing chamber, and the elastic force of the elastic element 25 always urges the telescopic driving member 20 to separate from the first positioning portion 18. When the lock is unlocked, the unlocking magnet 10 on the key 2 overcomes the elasticity of the elastic element 25, so that the telescopic driving member 20 moves outwards, and the telescopic driving member 20 is ensured to be simultaneously connected with the first clamping part 18 and the second clamping part 16, thereby realizing rotary unlocking; when the key 2 is pulled out, the telescopic transmission member 20 moves inward to be reset under the elastic force of the elastic element 25, and is separated from the first positioning portion 18.

The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A lock body with high secret key amount is characterized by comprising a lock cylinder, a lock shell and a lock tongue; the lock core is arranged in the inner cavity of the lock shell; the lock cylinder comprises an unlocking outer joint, a telescopic transmission piece and an unlocking driving piece; wherein,

2. The lock body of claim 1, wherein an elastic member is disposed between the flexible driving member and the switch connection cavity, and an elastic force of the elastic member always urges the outer end of the flexible driving member to be separated from the first latching portion.

3. The lock body with the high key amount according to claim 2, wherein the telescopic transmission member is provided with a limiting rod, one end of the limiting rod is connected with the telescopic transmission member, the other end of the limiting rod extends outwards, and the unlocking outer joint is provided with a transition through hole for the limiting rod to pass through; the elastic element is sleeved on the limiting rod, one end of the elastic element acts on the outer end of the first splicing cavity, and the other end of the elastic element acts on the inner end of the limiting rod.

4. The lock of claim 1, wherein a sliding portion is disposed in the switch connection cavity between the first and second detent portions, and the sliding portion is larger than an outer contour of the telescopic transmission member.

5. The high key lock of claim 1, wherein said embedded magnet comprises a plurality of magnetic strips, said plurality of magnetic strips being evenly distributed on said telescopic transmission member; the lock shell is characterized in that a plurality of clamping grooves are formed in the inner end portion of the lock shell, the magnetic stripes and the clamping grooves are arranged in a one-to-one correspondence mode, and the inner ends of the magnetic stripes extend into the clamping grooves.

6. The high key lock of claim 1, wherein the unlocking lever is a threaded rod; the connecting rod assembly comprises a first connecting rod and a second connecting rod; the bottom of the lock tongue is rotatably connected to the top of the lock shell; one end of the first connecting rod is provided with a connecting nut matched with the threaded rod, the other end of the first connecting rod is rotatably connected with the rear end of the second connecting rod, and the middle part of the first connecting rod is rotatably connected to the lock shell; the second connecting rod is rotatably connected with the lock tongue, and the unlocking rod is correspondingly arranged in the connecting nut.

7. An anti-theft lock, characterized by comprising a high key capacity lock body according to any one of claims 1 to 6 and a key; the key unlocking end is provided with an unlocking block matched with the unlocking groove, an unlocking magnet corresponding to the embedded magnet is arranged at the unlocking end of the key, and the unlocking magnet and the embedded magnet are opposite in magnetism.

8. The anti-theft lock according to claim 7, wherein the telescopic transmission member is provided with a limiting rod, one end of the limiting rod is connected with the telescopic transmission member, and the other end of the limiting rod extends outwards; a supporting hole is also formed in the unlocking end part of the key, and the supporting hole is arranged corresponding to the limiting rod; under the state of unlocking, when the limiting rod moves to the bottom of the supporting hole, the outer end of the telescopic transmission piece is connected with the first clamping portion, and the inner end of the telescopic transmission piece is connected with the second clamping portion.

9. A lamppost door locking device, comprising a lock body according to any one of claims 1 to 6; the lamp post door is characterized in that an installation frame is arranged on the inner side surface of the lamp post door, the installation frame is arranged at the top end of the inner side surface of the lamp post door, an installation groove for avoiding the lock body is formed in the installation frame, and the lock body is locked between the installation frame and the lamp post door through a locking piece; the lamp post door is provided with an unlocking port corresponding to the unlocking external joint of the lock body; the lamp post door structure further comprises a bottom limiting piece, one end of the bottom limiting piece is connected to the bottom of the inner side face of the lamp post door, and the other end of the bottom limiting piece extends downwards to be arranged below the lamp post door; the inner wall of the lamp post is provided with an upper limiting block and a lower limiting block, the upper limiting block and the lower limiting block both comprise two blocking blocks, the upper limiting block is arranged at the corresponding position of the lock tongue, and the lower limiting block is arranged at the corresponding position of the bottom limiting part; when the lock body is in a locking state, the lock tongue is tightly abutted to the inner wall of the lamp post and positioned between the two blocking blocks of the upper limiting block, and the bottom limiting part is positioned between the two blocking blocks of the lower limiting block.