阅读说明：本技术 一种多功能点火开关智能锁 (Multifunctional intelligent lock with ignition switch ) 是由 陈祥杰 韦昌龙 于 2019-10-29 设计创作，主要内容包括：本发明公开了一种多功能点火开关智能锁,包括手柄、锁芯和锁体,锁芯转动设置在锁体内,手柄与锁芯联动配合,锁体上设置有通过锁芯来传动的开关组件,锁体上还设置有电磁控制器,电磁控制器包括壳体、插销,锁芯上设置有供插销径向插入的插孔,插孔内设置有与插销形成抵接的弹子头,锁芯内插装有与其相适配的钥匙芯,钥匙芯上设置有与弹子头相配合的第一销孔；点火开关锁还包括有与锁芯相适配的备用钥匙芯,备用钥匙芯上设置有与弹子头相配合的第二销孔,第二销孔的深度浅于第一销孔的深度,且当弹子头与第二销孔配合时,弹子头将插销顶出插孔外。采用上述结构,本发明加工方便、制造成本低、且兼具更好的防盗性能及安装方便等优点。(The invention discloses a multifunctional ignition switch intelligent lock, which comprises a handle, a lock cylinder and a lock body, wherein the lock cylinder is rotatably arranged in the lock body, the handle is in linkage fit with the lock cylinder, a switch component which is driven by the lock cylinder is arranged on the lock body, an electromagnetic controller is also arranged on the lock body, the electromagnetic controller comprises a shell and a bolt, a jack into which the bolt is radially inserted is arranged on the lock cylinder, a marble head which is abutted against the bolt is arranged in the jack, a key core which is matched with the lock cylinder is inserted in the lock cylinder, and a first pin hole which is matched with the marble head is arranged on the key core; the ignition switch lock also comprises a spare key core matched with the lock core, a second pin hole matched with the pin tumbler head is arranged on the spare key core, the depth of the second pin hole is shallower than that of the first pin hole, and when the pin tumbler head is matched with the second pin hole, the pin tumbler head ejects the inserted pin out of the insertion hole. By adopting the structure, the anti-theft door has the advantages of convenience in processing, low manufacturing cost, better anti-theft performance, convenience in installation and the like.)

1. The utility model provides a multi-functional ignition switch intelligence lock, includes handle, lock core and lock body, and the lock core rotates to set up in the lock body, and handle and lock core linkage cooperation are provided with on the lock body and come driven switch module through the lock core, still are provided with electromagnetic controller on the lock body, electromagnetic controller includes casing, bolt, and the bolt cartridge is in the casing to be connected with and make it stretch out the outer spring of casing, still be provided with in the casing and drive the bolt after its circular telegram and overcome the solenoid that spring effort contracts to the casing in, be provided with on the lock core and supply the radial male jack of bolt, its characterized in that: a pin head which is abutted against the bolt is arranged in the jack, a key core which is matched with the pin head is inserted in the key core, a first pin hole which is matched with the pin head is arranged on the key core, and the bolt can be inserted into the jack when the pin head is matched with the first pin hole; the ignition switch lock also comprises a spare key core matched with the lock core, a second pin hole matched with the pin tumbler head is arranged on the spare key core, the depth of the second pin hole is shallower than that of the first pin hole, and when the pin tumbler head is matched with the second pin hole, the pin tumbler head ejects the inserted pin out of the jack.

2. The multifunctional intelligent lock with an ignition switch as claimed in claim 1, wherein: the lock core is provided with a plurality of marbles, the key core and the spare key core are correspondingly provided with marble holes matched with the marbles, and the marbles are also connected with first springs for promoting the marbles to enter the marble holes.

3. The multifunctional intelligent lock with an ignition switch as claimed in claim 1, wherein: the handle rotates and sets up on the end cover, is provided with the installation department of suit on the lock body on the end cover, is provided with the lug on the lock body, be provided with the confession on the installation department the lug is along axial male opening, be provided with on an open-ended side rotate the back with the lug forms the draw-in groove of joint, still be provided with between installation department and the lock body and constitute spacing stopping structure to it after the installation department rotates.

4. The multifunctional intelligent lock with an ignition switch as claimed in claim 3, wherein: the stopping structure includes the bolt, slides the slider that sets up on the lock body, and after the lock body was gone up and rotated in the installation department socket, the one end of slider was inserted in the opening of installation department along the installation department axial, and with the another side that the opening was equipped with the draw-in groove relatively forms the butt, is provided with the second spring between the other end of slider and the lock body, seted up the elongated slot along its slip direction on the slider, the spiral shell body of bolt passes the elongated slot to the spiro union is fixed on the lock body, and the spiral shell head of bolt presses on the slider.

5. The multifunctional intelligent lock with an ignition switch as claimed in claim 3 or 4, wherein: a first rotating piece and a second rotating piece are arranged between the handle and the end cover, a key hole for the key core and the spare key core to pass through and be matched with is arranged on the first rotating piece, a first limit structure linked with the lock core is arranged between the first rotating piece and the lock core, a second limit structure linked with the second rotating piece is arranged between the second rotating piece and the handle, a through hole for the key core and the spare key core to pass through is arranged on the second rotating piece, the second rotating piece is rotatably arranged in the first rotating piece, a third limit structure linked with the second rotating piece is arranged between the first rotating piece and the second rotating piece, the third limiting structure comprises a steel ball and a third spring, the second rotating piece is provided with an axial containing groove for containing the steel ball and the third spring, and the steel ball extends out of the axial containing groove under the action of the third spring, and the first rotating part is provided with a positioning groove for embedding the steel ball.

6. The multifunctional intelligent lock with an ignition switch as claimed in claim 5, wherein: the first limiting structure comprises a limiting lug and a limiting groove which are mutually matched in an inserting manner, and the limiting lug and the limiting groove are respectively arranged on the first rotating part and the lock cylinder.

7. The multifunctional intelligent lock with an ignition switch as claimed in claim 5, wherein: the second limiting structure comprises a positioning pin, a fourth spring and a connecting block arranged on the second rotating part, a radial accommodating groove used for accommodating the positioning pin and the fourth spring is formed in the connecting block, the positioning pin extends out of the radial accommodating groove under the action of the fourth spring, and a connecting hole for inserting the positioning pin is formed in the handle.

8. The multifunctional intelligent lock with an ignition switch as claimed in claim 5, wherein: the first rotating part is provided with a plurality of rings of first convex rings with the same axle center, the second rotating part is provided with a plurality of rings of second convex rings with the same axle center, and the first convex rings and the second convex rings are staggered with each other and form inserting fit.

Technical Field

The invention relates to an ignition switch lock which is mainly applied to a motorcycle or an electric vehicle.

Background

The ignition switch LOCK of the keyless system is suitable for ignition, flameout and locking of a motorcycle or an electric vehicle, the ignition switch has three basic functions of 'ON, OFF and LOCK' required by the finished vehicle as the traditional similar products, however, the keyless system has defects, when an electromagnetic controller receiving an electronic signal fails, the motorcycle or the electric vehicle cannot be started, so that the ignition switch LOCK combining keyless starting and keyed starting appears, for example, relevant literature bulletins CN206558419U, CN207765361U and the like disclose the ignition switch LOCK combining the keyless starting and keyed starting, a LOCK core sleeve is mainly sleeved outside a LOCK core, and when the electromagnetic controller normally works in a keyless state, the bolt can be controlled to shrink, so that the LOCK core sleeve is unlocked, further, a blade bounced ON the LOCK core can drive the LOCK core sleeve to rotate together through a rotating handle, to realize various functions of the ignition switch; when the electromagnetic controller fails, the bolt cannot be controlled to contract, namely, the lock cylinder sleeve cannot be unlocked, the sprung blades are contracted into the lock cylinder by inserting the key, so that the lock cylinder is separated from the lock cylinder sleeve, and various functions of the ignition switch lock are realized by independently rotating the lock cylinder. However, the existing structures need to customize a lock cylinder sleeve matched with the lock cylinder, and have the disadvantages of high processing difficulty, high manufacturing cost and low anti-theft performance.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the multifunctional intelligent ignition switch lock which is convenient to process, low in manufacturing cost, better in anti-theft performance and convenient to install.

In order to achieve the purpose, the invention provides a multifunctional intelligent lock with an ignition switch, which comprises a handle, a lock cylinder and a lock body, wherein the lock cylinder is rotatably arranged in the lock body, the handle is in linkage fit with the lock cylinder, a switch assembly driven by the lock cylinder is arranged on the lock body, an electromagnetic controller is also arranged on the lock body, the electromagnetic controller comprises a shell and a bolt, the bolt is inserted in the shell, the lock core is internally provided with a key core matched with the bolt, the key core is internally inserted with a first pin hole matched with the pin head, and when the pin head is matched with the first pin hole, the bolt can be inserted into the jack; the ignition switch lock also comprises a spare key core matched with the lock core, a second pin hole matched with the pin tumbler head is arranged on the spare key core, the depth of the second pin hole is shallower than that of the first pin hole, and when the pin tumbler head is matched with the second pin hole, the pin tumbler head ejects the inserted pin out of the jack.

By adopting the structure, under the normal condition, the key core is always put into the lock core and rotates along with the lock core, and in the process, the bolt of the electromagnetic controller can be inserted into the jack of the lock core. When the bolt of the electromagnetic controller is inserted into the jack of the lock cylinder, the electromagnetic controller can lock the lock cylinder, namely limit the lock cylinder to rotate; when the electromagnetic controller receives an external unlocking signal, the electromagnetic coil is electrified, so that the bolt is driven to contract towards the inside of the shell by overcoming the acting force of the spring, namely, the bolt is pulled out from the jack of the lock cylinder, the lock cylinder can rotate, and at the moment, the lock cylinder is driven to rotate together through the handle, so that various functions of an ignition switch lock can be realized. When the electromagnetic controller fails, the bolt cannot be controlled to be pulled out of the jack of the lock cylinder, the key core can be taken out, the spare key core is inserted, the key core and the spare key core are different in that the depth of a first pin hole in the key core is different from the depth of a second pin hole in the spare key core, namely the depth of the second pin hole is smaller than that of the first pin hole, therefore, after the spare key core is inserted, the spring head is matched with the second pin hole, the bolt is pushed out of the jack by the spring head, namely, the bolt overcomes the action force of the spring and contracts inwards the shell, so that the bolt loses the locking limit of the lock cylinder, and at the moment, the handle drives the lock cylinder to rotate together, so that various functions of the ignition switch lock can be realized.

The invention has the beneficial effects that: the invention can realize the operations of the ignition and the like of the electromagnetic controller under the two conditions of normal work and failure only by processing pin holes with different depths on the key core and the spare key core, and compared with the prior structure that a lock cylinder sleeve matched with the lock cylinder needs to be customized, the invention has the advantages of more convenient processing and lower manufacturing cost.

The invention can be further provided with a plurality of marbles on the lock core, marble holes matched with the marbles are correspondingly arranged on the key core and the spare key core, and the marbles are also connected with a first spring for promoting the marbles to enter the marble holes. The anti-theft performance can be greatly improved by arranging a structure that a plurality of groups of marbles are matched with marble holes.

The invention can be further arranged in a way that the handle is rotatably arranged on the end cover, the end cover is provided with an installation part sleeved on the lock body, the lock body is provided with a convex block, the installation part is provided with an opening for the convex block to be inserted along the axial direction, one side surface of the opening is provided with a clamping groove which is clamped with the convex block after the installation part rotates, and a backstop structure which limits the installation part after the installation part rotates is also arranged between the installation part and the lock body.

By adopting the structure, when the end cover is installed, the opening on the installation part is firstly inserted with the lug along the axial direction, then the lug is clamped into the clamping groove on one side surface of the opening by rotating the installation part, and finally the installation part is limited by the retaining structure to rotate again, so that the end cover can be fixedly installed.

The invention can be further arranged that the retaining structure comprises a bolt and a sliding block which is arranged on the lock body in a sliding way, after the mounting part is inserted into the lock body and rotates, one end of the sliding block is axially inserted into the opening of the mounting part along the mounting part and is abutted against the other side surface of the mounting part opposite to the opening, which is provided with the clamping groove, a second spring is arranged between the other end of the sliding block and the lock body, a long groove is arranged on the sliding block along the sliding direction of the sliding block, the screw body of the bolt penetrates through the long groove and is fixed on the lock body in a threaded way, and the screw head.

By adopting the structure, when the end cover mounting part is axially inserted with the boss on the lock body, the mounting part of the end cover firstly pushes the sliding block to slide backwards, namely, the sliding block moves towards the direction overcoming the acting force of the second spring; and after the lock body is spliced to the installation department and rotates, the lug card on the lock body was gone into promptly this moment in the draw-in groove, the one end of slider was inserted in the opening of installation department along the installation department axial, and with the opening is equipped with the another side formation butt of draw-in groove relatively, thereby the restriction installation department and end cover are rotatory again, effectively avoid promptly lug roll-off draw-in groove, and then realize the fixed mounting to the end cover. In addition, the sliding block can only slide linearly relative to the lock body under the action of the bolt, so that the structure is more stable and reliable.

The invention can be further provided with a first rotating piece and a second rotating piece between the handle and the end cover, the first rotating piece is provided with a key hole for the key core and the spare key core to pass through and be matched with the key hole, a first limit structure linked with each other is arranged between the first rotating piece and the lock core, a second limit structure linked with each other is arranged between the second rotating piece and the handle, the second rotating piece is provided with a through hole for the key core and the spare key core to pass through, the second rotating piece is rotatably arranged in the first rotating piece, a third limit structure linked with each other is arranged between the first rotating piece and the second rotating piece, the third limiting structure comprises a steel ball and a third spring, the second rotating piece is provided with an axial containing groove for containing the steel ball and the third spring, and the steel ball extends out of the axial containing groove under the action of the third spring, and the first rotating part is provided with a positioning groove for embedding the steel ball.

By adopting the structure, the first rotating piece is fixed with the lock cylinder and the key cylinder or the spare key cylinder, the second rotating piece is fixed with the handle, and the third limiting structure between the first rotating piece and the second rotating piece is composed of the steel ball and the third spring, so that when the motorcycle or the electric vehicle is in a locking state, namely the lock cylinder cannot rotate, if a lawbreaker wants to rotate the lock cylinder by forcibly rotating the handle to realize ignition, the steel ball can be separated from the positioning groove, so that the first rotating piece and the second rotating piece are disconnected, namely, when people forcibly rotate the handle, the second rotating piece can only be driven to idle together, and the first rotating piece, the lock cylinder and the key cylinder or the spare key cylinder cannot rotate along with the first rotating piece, the lock cylinder and the key cylinder or the spare key cylinder, the anti-theft performance is greatly improved, and the lock cylinder is.

The invention can be further provided that the first limiting structure comprises a limiting lug and a limiting groove which are mutually formed into a splicing fit, and the limiting lug and the limiting groove are respectively arranged on the first rotating piece and the lock core. Through the cooperation of spacing lug and spacing recess for can be fixed linkage together after first rotating member and the lock core equipment.

The invention can be further provided that the second limiting structure comprises a positioning pin, a fourth spring and a connecting block arranged on the second rotating part, a radial containing groove used for containing the positioning pin and the fourth spring is arranged on the connecting block, the positioning pin extends out of the radial containing groove under the action of the fourth spring, and a connecting hole for inserting the positioning pin is arranged on the handle. Through the cooperation of locating pin and connecting hole for the handle rotates the piece equipment back with the second and can fix the linkage together, simultaneously through pressing the locating pin, even the effort that the fourth spring was overcome to the locating pin is deviate from in the connecting hole, the handle just can separate with the second rotation piece, can take off the handle, thereby realize the replacement between key core and the reserve key core, simple structure, it is convenient to change.

The invention can be further provided that the first rotating part is provided with a plurality of circles of first convex rings with the same axle center, the second rotating part is provided with a plurality of circles of second convex rings with the same axle center, and the first convex rings and the second convex rings are mutually staggered and form inserting fit. Through the arrangement, the first rotating piece and the second rotating piece can form more reliable connection, so that the first rotating piece and the second rotating piece can be better linked.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a block diagram of the present invention with the lock body removed;

FIG. 4 is a structural view of the rotating shaft;

FIG. 5 is an exploded view of the key and lock cylinder;

FIG. 6 is a block diagram of a key core;

FIG. 7 is a block diagram of a spare key core;

FIG. 8 is a block diagram of the electromagnetic controller;

FIG. 9 is a block diagram of the mating of the solenoid controller with the lock cylinder;

FIG. 10 is a view of the handle in cooperation with the lock cylinder;

FIG. 11 is a view of the lock core in cooperation with the first and second tumblers;

FIG. 12 is an exploded view of the first and second rotatable members;

fig. 13 is a structural view of the second rotating member;

fig. 14 is a structural view of the first rotating member.

Detailed Description

As shown in fig. 1-14, a multifunctional intelligent lock with an ignition switch is provided, which comprises a handle 1, a lock cylinder 2 and a lock body 3, wherein the lock cylinder 2 is rotatably arranged in the lock body 3, the handle 1 is in linkage fit with the lock cylinder 2, the lock body 3 is provided with a switch assembly which is driven by the lock cylinder 2, the switch assembly specifically comprises a rotor switch 5, a micro switch 6 and a plunger latch 4, a rotating shaft 7 which is used for driving the rotor switch 5 to rotate is arranged in the lock body 3 in a rotating manner, the rotor switch 5 is used for controlling the motorcycle or the electric vehicle to ignite and extinguish, the rotating shaft 7 is in linkage with the lock cylinder 2 and can move along the axial direction of the lock cylinder: one end 71 of pivot 7 is the platykurtic setting, and the one end of lock core 2 is provided with platykurtic slot 21, and this platykurtic slot 21 and the one end 71 looks adaptation of pivot 7 still are provided with plectrum 22 on the lock core 2, and this plectrum 22 can realize pressing down micro-gap switch 6 along with lock core 2 axial displacement back, still is connected with the driver plate 72 in the pivot 7, and pivot 7 can correspondingly drive the driver plate 72 after rotating and stimulate hasp 4 flexible.

The lock body 3 is also provided with an electromagnetic controller 8, the electromagnetic controller 8 comprises a shell 81 and a bolt 82, the bolt 82 is inserted in the shell 81 and is connected with a spring 83 for driving the bolt 82 to extend out of the shell 81, the shell 81 is also internally provided with an electromagnetic coil 84 which drives the bolt 82 to contract towards the inside of the shell 81 against the action force of the spring 83 after being electrified, the lock cylinder 2 is provided with a jack 23 for the bolt 82 to be radially inserted, a marble head 24 which is abutted against the bolt 82 is arranged in the jack 23, a key core 9 matched with the lock cylinder 2 is inserted in the lock cylinder 2, the key core 9 is provided with a first pin hole 91 matched with the marble head 24, and when the marble head 24 is matched with the first pin hole 91, the bolt 82 can be inserted in the jack 23; the ignition switch lock further comprises a spare key core 10 matched with the lock core 2, a second pin hole 101 matched with the pin head 24 is formed in the spare key core 10, the depth of the second pin hole 101 is smaller than that of the first pin hole 91, and when the pin head 24 is matched with the second pin hole 101, the pin head 24 ejects the plug pin 82 out of the jack 23.

With the above-described structure, the key cylinder 9 is normally always put into the key cylinder 2 and rotated together with the key cylinder 2, and in the process, the plug 82 of the solenoid controller 8 can be inserted into the insertion hole 23 of the key cylinder 2. When the latch 82 of the solenoid control 8 is inserted into the receptacle 23 of the lock cylinder 2, said solenoid control 8 will constitute a lock of the lock cylinder 2, i.e. limit the rotation of the lock cylinder 2; when the electromagnetic controller 8 receives an external unlocking signal, the electromagnetic coil 84 is energized, so that the bolt 82 is driven to contract towards the inside of the shell 81 against the acting force of the spring 83, namely the bolt 82 is pulled out from the jack 23 of the lock cylinder 2, the lock cylinder 2 can rotate, and at the moment, the handle 1 drives the lock cylinder 2 to rotate together, so that various functions of an ignition switch lock can be realized. When the electromagnetic controller 8 fails, namely the plug 82 cannot be controlled to be pulled out of the jack 23 of the key cylinder 2, the key cylinder 9 can be taken out, and the spare key cylinder 10 is inserted, the key cylinder 9 is different from the spare key cylinder 10 in that the depth of a first pin hole 91 on the key cylinder 9 is different from the depth of a second pin hole 101 on the spare key cylinder 10, namely the depth of the second pin hole 101 is shallower than the depth of the first pin hole 91, so that after the spare key cylinder 10 is inserted, the spring head 24 is matched with the second pin hole 101, the spring head 24 ejects the plug 82 out of the jack 23, namely the plug 82 contracts towards the inside of the shell 81 against the action force of the spring 83, so that the plug 82 loses the locking limit of the key cylinder 2, and at the same time, the handle 1 drives the key cylinder 2 to rotate together, so that various functions of ignition lock opening and closing can be realized.

Due to the arrangement, the operation of the electromagnetic controller 8 such as ignition under the two conditions of normal work and failure can be realized only by processing pin holes with different depths on the key core 9 and the spare key core 10, and compared with the existing structure that a lock cylinder sleeve matched with the lock cylinder 2 needs to be customized, the structure is more convenient to process and lower in manufacturing cost.

The lock core 2 is provided with a plurality of marbles 25, the key core 9 and the spare key core 10 are correspondingly provided with marble holes 26 matched with the marbles 25, and the marbles 25 are also connected with first springs 27 for promoting the marbles to enter the marble holes 26. The anti-theft performance can be greatly improved by arranging a plurality of groups of balls 25 and ball holes 26 in a matched structure.

Handle 1 rotates and sets up on end cover 11, is provided with the installation department 111 of suit on lock body 3 on end cover 11, is provided with lug 31 on the lock body 3, be provided with the confession on installation department 111 lug 31 along axial male opening 112, be provided with on opening 112's a side the installation department 111 rotate the back with lug 31 forms the draw-in groove 113 of joint, still be provided with between installation department 111 and the lock body 3 and rotate the back at installation department 111 and constitute spacing stopping structure to it.

By adopting the structure, when the end cover 11 is installed, the opening 112 on the installation part 111 is firstly inserted with the lug 31 along the axial direction, then the installation part 111 is rotated to enable the lug 31 to be clamped into the clamping groove 113 on one side surface of the opening 112, and finally the installation part 111 is limited by the retaining structure to rotate again, so that the fixed installation of the end cover 11 can be realized.

The stopping structure includes bolt 12, the slider 13 of slip setting on the lock body 3, pegs graft on the lock body 3 and rotate the back at installation department 111, and the one end of slider 13 is followed installation department 111 axial and is inserted in the opening 112 of installation department 111, and with opening 112 is equipped with the opposite another side 114 formation butt of draw-in groove 113, is provided with second spring 131 between the other end of slider 13 and the lock body 3, the elongated slot 132 has been seted up along its slip direction on the slider 13, and the spiral shell of bolt 12 passes elongated slot 132 to the spiro union is fixed on the lock body 3, and the spiral shell head of bolt 12 presses on slider 13.

With the above structure, when the end cover mounting part 111 is axially inserted into the projection 31 on the lock body 3, the mounting part 111 of the end cover 11 first pushes the sliding block 13 to slide backwards, i.e. the sliding block 13 moves towards the direction overcoming the acting force of the second spring 131; and after the lock body 3 is pegged graft and rotates at installation department 111, lug 31 card on the lock body 3 was gone into promptly this moment in the draw-in groove 113, the one end of slider 13 is inserted in the opening 112 of installation department 111 along installation department 111 axial, and with another side 114 that opening 112 was equipped with draw-in groove 113 relatively forms the butt, thereby the restriction installation department 111 and end cover 11 are rotatory again, effectively avoid promptly lug 31 roll-off draw-in groove 113, and then realize the fixed mounting to end cover 11. In addition, the sliding block 13 can only slide linearly relative to the lock body 3 under the action of the bolt 12, so that the structure is more stable and reliable.

A first rotating member 14 and a second rotating member 15 are arranged between the handle 1 and the end cover 11, a key hole 141 for the key core 9 and the spare key core 10 to pass through and be matched with is arranged on the first rotating member 14, a first limit structure linked with each other is arranged between the first rotating member 14 and the lock core 2, a second limit structure linked with each other is arranged between the second rotating member 15 and the handle 1, a through hole 151 for the key core 9 and the spare key core 10 to pass through is arranged on the second rotating member 15, the second rotating member 15 is rotatably arranged in the first rotating member 14, a third limit structure linked with each other is arranged between the first rotating member 14 and the second rotating member 15, the third limit structure comprises a steel ball 16 and a third spring 17, an axial containing groove 152 for containing the steel ball 16 and the third spring 17 is arranged on the second rotating member 15, and the steel ball 16 extends outwards towards the axial containing groove 152 under the action of the third spring 17, the first rotating member 14 is provided with a positioning groove 142 for the steel ball 16 to be inserted.

With the above structure, the first rotating member 14 is fixed to the key cylinder 2 and the key cylinder 9 or the spare key cylinder 10, the second rotating member 15 is fixed to the handle 1, and since the third limit structure between the first rotating member 14 and the second rotating member 15 is composed of the steel ball 16 and the third spring 17, when the motorcycle or electric vehicle is in the locked state, that is, when the lock cylinder 2 cannot rotate, if a lawbreaker wants to rotate the lock cylinder 2 by forcibly rotating the handle 1 to ignite, the steel ball 16 will be released from the positioning groove 142, so that the connection between the first rotating member 14 and the second rotating member 15 is lost, namely, when people rotate the handle 1 forcibly, people only can drive the second rotating piece 15 to idle, and the first rotating piece 14, the lock cylinder 2, the key cylinder 9 or the spare key cylinder 10 cannot rotate along with the second rotating piece, so that the anti-theft performance is greatly improved, and the lock cylinder 2 is protected.

The first limiting structure comprises a limiting lug 143 and a limiting groove 28 which are mutually in plug-in fit, and the limiting lug 143 and the limiting groove 28 are respectively arranged on the first rotating member 14 and the lock cylinder 2. The first rotating member 14 and the lock cylinder 2 can be fixed together after being assembled by matching the limit projection 143 and the limit groove 28.

The second limiting structure comprises a positioning pin 18, a fourth spring 19 and a connecting block 153 arranged on the second rotating member 15, a radial accommodating groove 154 used for accommodating the positioning pin 18 and the fourth spring 19 is formed in the connecting block 153, the positioning pin 18 extends out of the radial accommodating groove 154 under the action of the fourth spring 19, and a connecting hole 102 for inserting the positioning pin 18 is formed in the handle 1. Through the cooperation of locating pin 18 and connecting hole 102 for handle 1 can be fixed together the linkage with second rotation piece 15 after assembling, simultaneously through pressing locating pin 18, even locating pin 18 overcomes fourth spring 19's effort and deviates from connecting hole 102, handle 1 just can be separated with second rotation piece 15, can take off handle 1, thereby realizes the replacement between key core 9 and the reserve key core 10, simple structure, and it is convenient to change.

The first rotating member 14 is provided with a plurality of concentric circles of first convex rings 144, the second rotating member 15 is provided with a plurality of concentric circles of second convex rings 155, and the first convex rings 144 and the second convex rings 155 are mutually staggered and form a plug-in fit. Through the arrangement, the first rotating piece 14 and the second rotating piece 15 can be connected more reliably, and therefore the first rotating piece 14 and the second rotating piece 15 can be linked better.