CN209855450U - Idle running lock core and intelligent tool to lock with jump ring groove - Google Patents

Abstract

The utility model belongs to the technical field of the intelligence lock technique and specifically relates to an idle running lock core and intelligent tool to lock with jump ring groove. This idle running lock core with jump ring groove includes the casing, hold the motor in the casing, motor stator is connected fixedly with the casing, the casing front end is equipped with the cooperation lid, the casing open end is fixed with the bottom, motor shaft is connected with the promotion portion that holds in the cooperation lid, radial through-hole has been seted up to cooperation lid lateral wall, bottom front end outer peripheral face edge is equipped with the bulge loop, the bottom is equipped with the electron key interface, have the jump ring groove that is used for holding the jump ring between bulge loop and the housing end face, the jump ring is used for cooperating the groove cooperation with the lock body of casing and tool to lock, make casing and lock body rotate and be connected axial fixity. The utility model discloses in, bottom front end outer peripheral face edge has set up the bulge loop, has the jump ring groove that is used for holding the jump ring between bulge loop and the housing face, cooperates the cooperation groove of the lock body of casing and tool to lock through the jump ring, makes casing and lock body rotate to be connected axial fixity, reaches simple to operate's effect.

Description

Idle running lock core and intelligent tool to lock with jump ring groove

Technical Field

The utility model belongs to the technical field of the intelligence lock technique and specifically relates to an idle running lock core and intelligent tool to lock with jump ring groove.

Background

The intelligent lock is a lock which is different from a traditional mechanical lock and is more intelligent in the aspects of user identification, safety and manageability, and an execution component for locking a door in an access control system. The intelligent lock is different from a traditional mechanical lock, and is a composite lockset with safety, convenience and advanced technology.

Please refer to fig. 1, chinese utility model patent publication No. CN207122207U discloses a passive intelligent padlock for use with a matching key, which includes a lock body having a housing chamber, a driving device and a lock beam assembly installed in the lock body, the driving device includes a lock cylinder located in the lock body, a lock tongue and a lock cylinder connector connected with the lock cylinder, a motor installed in the lock cylinder, an inner pin and a main board. The spring bolt is contradicted with the lock beam subassembly, and motor, mainboard are connected with lock core connector electricity, and motor and interior round pin butt are installed mobilizable a plurality of marble on the lock core connector. During the unblock, the lock core connector receives the key and inserts the back and supply power to mainboard, motor, and the key is with mainboard establishment communication verification authority, and the authority is verified through being that mainboard control motor rotates, and the lock core receives the drive of key pivoted to drive the inner pin and withdraws from the lock body, makes spring bolt and the separation of lock beam subassembly completion unblock simultaneously. Above-mentioned passive intelligent padlock, easy operation is convenient, can lock automatically after pressing the lock beam, is equipped with the marble of anticreep moreover, avoids appearing forgetting the lock phenomenon, and the security is high.

Referring to fig. 2, chinese utility model publication No. CN207122207U discloses an electronic lock core including an unlocking cap 1, a fitting cover 2, a hard ball 3 (corresponding to a movable block), a hard ball pushing part (corresponding to a pushing part), and a motor 5. When the motor works, the pushing part pushes the hard ball to move from the through hole to the unlocking cap and abut against the outer hard ball limiting part, one part of the hard ball is located in the blind hole, and the cam cover is meshed with the unlocking cap. And then the user makes the unblock cap rotate through twisting motor housing, the utility model discloses required power consumption is low, compact structure.

Referring to fig. 3, chinese utility model publication No. CN207315031U discloses a passive idling lock core, which includes a lock core front cover 1, a lock core rear cover 12, and an electronic key 14 (corresponding to the active key), the electronic key 14 is inserted into a key hole (corresponding to the key interface) of the lock core front cover 1, the lock core control board 4 is connected to the electronic key 14 through an electrode 3, the lock core control board 4 is compared with the electronic key 14 after power-on, after the comparison is correct, the lock core control board 4 controls the motor 5 to rotate to drive the cam 8 to rotate, the rotation angle of the cam 8 is controlled by the cam positioning piece 6, at this time, the cam positioning piece 6 contacts with the left end of the groove of the cam 8, as shown in fig. 3, the lock core is rotated, the lock core rear cover 12 rotates and forces the steel ball 11 to slide out from the sunken groove of the clutch 13, enter the radial through hole and the sunken groove of the cam 8, the lock core, the unlocking is completed, and the locking process is opposite to the unlocking process.

In the intelligent lock in the prior art, the lock core and other parts are assembled in the lock body one by one, so that the assembly is troublesome; when the precision machining of the lock body has errors, parts are easy to shift, and the service performance of the padlock is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an idle running lock core and an intelligent tool to lock of idle running lock core with jump ring groove have made things convenient for follow-up and tool to lock body's equipment.

In order to achieve the above advantages, the utility model provides an idle running lock core with jump ring groove includes: the electric lock comprises a tubular shell and a motor accommodated in the shell, wherein the motor stator is fixedly connected with the shell, a cup-shaped matching cover is arranged at the front end of the shell, a bottom cover is fixed at the opening end of the shell, a rotating shaft of the motor is connected with a pushing part accommodated in the matching cover, a radial through hole is formed in the side wall of the matching cover, a convex ring is arranged at the edge of the outer peripheral face of the front end of the bottom cover, an electronic key interface is arranged on the bottom cover, a clamp spring groove for accommodating a clamp spring is formed between the convex ring and the end face of the shell, and the clamp spring is used for matching the shell with the matching groove of a lock body of the lock so that the shell and the lock.

In an embodiment of the present invention, the motor and the bottom cover have a circuit board therebetween, and the electronic key interface is electrically connected to the circuit board.

In an embodiment of the present invention, the electronic key interface has an electrode passing through the bottom of the bottom cover in the middle, the electrode and the bottom cover have an insulating sleeve therebetween, the bottom cover is made of a conductive material, and the electronic key passes through the bottom cover, the electrode and the circuit board are electrically connected.

In an embodiment of the present invention, the outer peripheral surface of the sidewall of the bottom cover is provided with a radial pin blind hole, the housing is provided with a pin through hole corresponding to the pin blind hole, the housing is fixed to the bottom cover by a pin, the pin is accommodated in the pin through hole and the pin blind hole, and the pin is fixed to the pin through hole and/or the pin blind hole.

In an embodiment of the present invention, the housing and the mating cover are integrally formed.

In an embodiment of the present invention, the radial through hole accommodates a movable block therein.

In an embodiment of the present invention, the movable block is a steel ball.

In an embodiment of the present invention, an unlocking cap is sleeved outside the matching cover, a blind hole or a recess corresponding to the position of the movable block is formed on the inner surface of the unlocking cap, the pushing portion is driven by the motor, when the motor works, the pushing portion pushes the movable block, a part of the movable block is accommodated in the blind hole or the recess, and another part of the movable block is accommodated in the through hole; when the motor does not work, the movable block is completely positioned in the outer peripheral surface of the matching cover, and the matching cover can rotate in the unlocking cap; the motor has with the surface of unblock cap inside wall laminating.

In an embodiment of the invention, the housing and/or the bottom cover are made of copper.

The utility model also provides an intelligent lockset, including the foretell idle running lock core that has the jump ring groove of arbitrary.

The utility model discloses in, the bottom front end outer peripheral face edge of idle running lock core that has the jump ring groove is equipped with the bulge loop, has the jump ring groove that is used for holding the jump ring between bulge loop and the housing face, cooperates the groove through the jump ring with the cooperation of the lock body of casing and tool to lock, makes casing and lock body rotation connect axial fixity, reaches simple to operate's effect.

In the utility model, the idling lock core with the clamp spring groove is provided with the motor, the circuit board can drive the unlocking part to realize whether the matching cover is connected with the unlocking cap or not, and then a user can realize the locking state and the unlocking state of the lock by matching the rotating shell with the steel ball or the spring bolt of the lock; in the assembling process, the lock cylinder can be assembled and verified before being installed in the lock body, the lock body is simple and convenient to install, only a cavity for accommodating the intelligent lock cylinder assembly needs to be formed in the lock body, the structure is simple, and the assembling precision is easy to process and control.

The utility model discloses in, the electron key also can be used for managing the fingerprint of a plurality of tool to lock as management instrument and add, delete.

The utility model discloses in, the motor is not direct drive steel ball or spring bolt and realizes unlocking the cap through the promotion portion and cooperate being connected of lid, and the rotatory electronic key of user's accessible realizes unblanking or unblock, motor low power dissipation.

Drawings

Fig. 1 is a schematic structural diagram of a conventional passive intelligent padlock.

Fig. 2 is a schematic structural diagram of a conventional electronic lock cylinder.

Fig. 3 is a schematic structural diagram of a passive idling lock cylinder in the prior art.

Fig. 4 is a schematic structural diagram of an idle lock cylinder with a jump ring groove according to a first embodiment of the present invention.

Fig. 5 shows an exploded view of the lost motion lock cylinder of fig. 4 with a circlip groove.

Fig. 6 is a schematic structural view showing a housing of the idle lock cylinder having a jump ring groove of fig. 5.

Fig. 7 is a schematic structural view showing a pushing part and a motor of the idle lock cylinder having a jump ring groove of fig. 5.

Fig. 8 is a cross-sectional view of the lost motion lock cylinder of fig. 4 having a jump ring groove.

Figure 9 shows a cross-sectional view of the other side of the lost motion lock cylinder of figure 4 with a circlip groove.

Fig. 10 is a schematic structural view of an unlocking cap according to a first embodiment of the present invention.

Fig. 11 is a schematic structural view showing a bottom cover of the idle lock cylinder having a jump ring groove of fig. 5 and an electronic key interface.

Fig. 12 is a schematic structural view of an electronic key according to a first embodiment of the present invention.

Fig. 13 is a sectional view showing an idle lock cylinder having a jump ring groove according to a second embodiment of the present invention.

Fig. 14 is a schematic structural view of an intelligent lock with an idle lock cylinder having a jump ring groove according to a first embodiment of the present invention.

Fig. 15 is a schematic structural view of an intelligent lock with an idle lock cylinder having a jump ring groove according to a second embodiment of the present invention.

Fig. 16 is a schematic structural diagram of an intelligent lock according to a third embodiment of the present invention, wherein the intelligent lock has an idle lock cylinder with a jump ring groove.

Fig. 17 is a schematic structural view of an intelligent lock with an idle lock cylinder having a jump ring groove according to a fourth embodiment of the present invention.

Fig. 18 is a schematic structural view of an intelligent lock according to a fifth embodiment of the present invention, wherein the intelligent lock includes an idle lock cylinder with a jump ring groove.

Fig. 19 is a schematic diagram of the intelligent lock of fig. 18 with the idle lock cylinder of the jump ring groove.

Fig. 20 is a schematic structural view of an intelligent lock according to a sixth embodiment of the present invention, wherein the intelligent lock has an idle lock cylinder with a jump ring groove.

Fig. 21 is a schematic structural view of an intelligent lock according to a seventh embodiment of the present invention, wherein the intelligent lock has an idle lock cylinder with a jump ring groove.

Fig. 22 is a schematic structural view of an intelligent lock with an idle lock cylinder having a jump ring groove according to an eighth embodiment of the present invention.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments in order to provide the best mode, structure, features and effects according to the present invention.

Referring to fig. 4 to 12, an idle lock cylinder having a clamp spring groove according to a first embodiment of the present invention includes: a tubular housing 1, a motor 2 housed in the housing 1.

The stator of the motor 2 is fixedly connected with the shell 1, the front end of the shell 1 is provided with a cup-shaped matching cover 3, and the open end of the shell 1 is fixedly provided with a bottom cover 4. The motor 2 and the bottom cover 4 have a circuit board 5 therebetween. Specifically, the inner surface of the housing 1 is provided with a step 11 for abutting against the lower surface of the bottom cover 4. The lower surface and the upper surface of the stator of the motor are stator planes, the side wall of the shell 1 is provided with a radial through hole 13, the radial through hole 13 is fixedly connected with lugs 14 which are respectively attached to the lower surface and the upper surface of the stator of the motor, and the lugs 14 are used for preventing the stator of the motor 2 from rotating. The tab 14 is provided with a protrusion 141. The protrusion 141 is a cylindrical structure, and the protrusion 141 is matched with the radial through hole 13 to fix the tab 14 on the inner surface of the shell 1.

The motor 2 is connected with a pushing part accommodated in the matching cover 3 through a rotating shaft, and a return spring t1 is arranged between the pushing part and the matching cover 3. Further, the pushing part is a cam 21 fixedly connected with the rotating shaft of the motor 2, the stator of the motor 2 is further fixedly connected with a cam limiting part 22, the cam 21 is provided with a convex squeezing part 211 and a concave part 212 for accommodating part of the movable block 6, and the cam 21 is further provided with a matching part 213 which is matched with the cam limiting part 22 to enable the cam 21 to rotate only within a certain angle range. The cam 21 is sleeved outside the rotating shaft of the motor 2, the matching cover 3 is sleeved outside the cam 21, and meanwhile, the matching cover 3 is fixedly connected with the stator of the motor 2. The unlocking cap 7 accommodates part of the mating cover 3 and the rotating shaft of the motor 2.

The side wall of the matching cover 3 is provided with a radial through hole 31, and the movable block 6 is accommodated in the radial through hole 31. The movable block 6 can adopt a spherical or cylindrical structure. The edge of the outer peripheral surface of the front end of the bottom cover 4 is provided with a convex ring 41, a clamp spring groove 0 for accommodating a clamp spring t2 is formed between the convex ring 41 and the end surface of the shell 1, and the clamp spring t2 is used for matching the shell 1 with a matching groove of a lock body of a lockset so that the shell 1 and the lock body are rotationally connected and axially fixed.

An unlocking cap 7 is sleeved outside the matching cover 3, a blind hole or a recess 71 corresponding to the position of the movable block 6 is formed in the inner surface of the unlocking cap 7, and the pushing part is driven by the motor 2. Specifically, the unlocking cap 7 is of a cup-shaped structure, and the inner side wall of the unlocking cap 7 is a circumferential surface. The outer side or top surface of the unlocking cap 7 is fixed with a protrusion or recess 72 for performing the unlocking action. The inner wall of the unlocking cap 7 is provided with a dent 71 corresponding to the position of the movable block 6. The depth of the recess 71 may be less than the diameter of the movable mass 6.

When the motor 2 works, the pushing part pushes the movable block 6, one part of the movable block 6 is accommodated in the blind hole or the recess 71, and the other part of the movable block 6 is accommodated in the through hole. When the motor 2 does not work, the movable block 6 is completely positioned in the outer peripheral surface of the matching cover 3, and the matching cover 3 can rotate in the unlocking cap 7. The motor 2 has an outer surface that is fitted to the inner side wall of the unlock cap 7.

The bottom cover 4 is provided with an electronic key interface 8, and the electronic key interface 8 is electrically connected with the circuit board 5. The middle part of the electronic key interface 8 is provided with an electrode 81 penetrating through the bottom of the bottom cover 4, an insulating sleeve 82 is arranged between the electrode 81 and the bottom cover 4, the bottom cover 4 is made of a conductive material, and the electronic key 800 is electrically connected with the circuit board 5 through the bottom cover 4 and the electrode 81.

The section of the electronic key interface 8 is quincunx. The electronic key 800 includes a quincunx tube 800a fitted to the electronic key interface 8, and an electrode 800b accommodated in the tube 800a and corresponding to the electrode 81. The tube 800a may cooperate with the electronic key interface 8 to achieve circumferential securement. That is to say the electronic key can drive the key interface to rotate.

The outer peripheral surface of the side wall of the bottom cover 4 is provided with a radial pin blind hole 42, the shell 1 is provided with a pin through hole 12 corresponding to the pin blind hole 42, the shell 1 and the bottom cover 4 are fixedly connected through a pin B, the pin B is contained in the pin through hole 12 and the pin blind hole 42, and the pin B is fixedly connected with the pin through hole 12 and/or the pin blind hole 42.

Preferably, the movable block 6 is a steel ball. The housing 1 and/or the bottom cover 4 are made of copper. The housing 1 and the mating cover 3 are integrally formed.

The circuit board 5 is provided with a verification module, the verification module is used for comparing the received information with the set information, and the driving motor 2 works for a certain time if the verification is passed.

Please refer to fig. 13, in the idle lock core with a jump ring groove according to the second embodiment of the present invention, the pushing portion is a rotating nut 23 having a screw hole, a rotor of the motor 2 is fixedly connected with a screw rod accommodated in the screw hole, the rotating nut 23 moves in the axial direction of the screw rod when the screw rod rotates, the rotating nut 23 includes a cylindrical extrusion portion 231, an anti-dropping portion 232, and a transition section gradually reducing the diameter from the extrusion portion 231 to the anti-dropping portion 232, the diameter of the extrusion portion 231 is equal to or slightly smaller than the inner diameter of the mating cover 3, and the diameter of the anti-dropping portion 232 plus the diameter of the movable block 6 is smaller than the outer diameter of the mating cover 3 and larger than the inner diameter of the mating cover 3.

Referring to fig. 14, the intelligent lock with idle lock cylinder having a jump ring groove according to the first embodiment of the present invention, also called a padlock, includes: lock body 10, hold idle running lock core, steel ball 101 that have the jump ring groove in lock body 10, casing 1 are equipped with connecting groove 15, and lock body 10 is fixed with pin 103 in connecting groove 15, and cooperation lid 3 is connected with lock body 10 is rotated, and in order to make things convenient for the assembly, the lock core is equipped with locating pin 105 with locating hole complex. The lock body 10 is provided with a rotary housing 106 which is fixedly connected to the housing 1.

Referring to fig. 15, in the intelligent lock with idle lock cylinder having a jump ring groove according to the second embodiment of the present invention, the unlocking cap 7 is used to cooperate with the lock tongue 102 to realize locking and unlocking. A projection 72 for performing an unlocking action is fixed to the top surface of the unlocking cap 7.

When the motor 2 works, the pushing part pushes the movable block 6 to move from the through hole to the unlocking cap 7 and abut against the movable block 6, one part of the movable block 6 is positioned in the blind hole, and the matching cover 3 is meshed with the unlocking cap 7. And then the user makes the unlocking cap 7 rotate by twisting the rotary shell 106, the utility model discloses required power consumption is low, compact structure.

Referring to fig. 16, the intelligent lock with idle lock core having a jump ring groove according to the third embodiment of the present invention, which may also be referred to as a U-shaped lock, has an unlocking cap 7 for cooperating with a lock tongue 102 to lock and unlock the U-shaped lock beam.

Referring to fig. 17, the intelligent lock with idle lock core having a jump ring groove according to the fourth embodiment of the present invention, which may also be referred to as a disc brake lock, has an unlocking cap 7 for cooperating with a lock tongue 102 to lock and unlock the lock.

Referring to fig. 18 and 19, an intelligent lock with an idle lock cylinder having a jump ring groove according to a fifth embodiment of the present invention may also be referred to as a gourd shaped door lock. The lock body 10 comprises a shell 107 sleeved outside the shell 1, and the unlocking cap 7 is fixedly connected with the shifting tongue 110. The circuit board 5 is provided with a bluetooth module.

Referring to fig. 20, the intelligent lock with idle lock core having a jump ring groove according to the sixth embodiment of the present invention, which may also be referred to as a ball lock, has an unlocking cap 7 for unlocking and locking by rotating and cooperating with the lock tongue 110. The circuit board 5 is provided with a bluetooth module.

Referring to fig. 21, the intelligent lock with idle lock cylinder having a jump ring groove according to the seventh embodiment of the present invention, which may also be called a drawer lock, includes: a lock body 10 and a bolt 20, wherein the lock body 10 is used for being connected and fixed with a drawer, and the lock body 10 comprises a plate-shaped part 101 and a tubular part 102. The locking bolt 20 is slidably connected with the lock body 10. Specifically, the latch tongue 20 is slidably coupled to the plate portion 101. There is a compression spring t3 between locking bolt 20 and lock body 10, and compression spring t3 is used to keep locking bolt 20 in the locked position. The inner surface of the latch tongue 20 facing the center of the drawer is a guide slope 201. The lower end edge of the guide inclined plane 201 is provided with an anti-theft groove 201a, and the position of the anti-theft groove 201a corresponds to the position of a gap of the drawer. The locking tongue 20 is provided with a fitting portion 203 corresponding to the unlocking cap 30, and the fitting portion 203 has a hole-shaped structure.

Referring to fig. 22, the intelligent lock with idle lock cylinder having a clamp spring groove according to the eighth embodiment of the present invention may also be referred to as an external door lock.

It should be noted that the utility model discloses a lock core assembly can be applied to outside the padlock intelligent lock, intelligent furniture lock, intelligent drawer lock, intelligent bicycle lock etc..

The utility model discloses in, the bottom front end outer peripheral face edge of idle running lock core that has the jump ring groove is equipped with the bulge loop, has the jump ring groove that is used for holding the jump ring between bulge loop and the housing face, cooperates the groove through the jump ring with the cooperation of the lock body of casing and tool to lock, makes casing and lock body rotation connect axial fixity, reaches simple to operate's effect.

In the utility model, the idling lock core with the clamp spring groove is provided with the motor, the circuit board can drive the unlocking part to realize whether the matching cover is connected with the unlocking cap or not, and then a user can realize the locking state and the unlocking state of the lock by matching the rotating shell with the steel ball or the spring bolt of the lock; in the assembling process, the lock cylinder can be assembled and verified before being installed in the lock body, the lock body is simple and convenient to install, only a cavity for accommodating the intelligent lock cylinder assembly needs to be formed in the lock body, the structure is simple, and the assembling precision is easy to process and control.

The utility model discloses in, the electron key also can be used for managing the fingerprint of a plurality of tool to lock as management instrument and add, delete.

The utility model discloses in, the motor is not direct drive steel ball or spring bolt and realizes unlocking the cap through the promotion portion and cooperate being connected of lid, and the rotatory electronic key of user's accessible realizes unblanking or unblock, motor low power dissipation.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person can make modifications or changes equivalent to the above embodiments without departing from the scope of the present invention, but all the modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are within the scope of the present invention.

Claims (10)

1. The idling lock core with the clamp spring groove comprises a tubular shell and a motor accommodated in the shell, wherein a stator of the motor is fixedly connected with the shell, a cup-shaped matching cover is arranged at the front end of the shell, a bottom cover is fixed at the opening end of the shell, a rotating shaft of the motor is connected with a pushing part accommodated in the matching cover, a radial through hole is formed in the side wall of the matching cover, a convex ring is arranged on the edge of the outer peripheral surface of the front end of the bottom cover, and an electronic key interface is arranged on the bottom cover.

2. The idling lock cylinder with a jump ring groove of claim 1, wherein there is a circuit board between the motor and the bottom cover, and the electronic key interface is electrically connected to the circuit board.

3. The idling lock cylinder with a jump ring groove of claim 2, wherein the electronic key interface has an electrode passing through the bottom of the bottom cover in the middle, an insulating sleeve is provided between the electrode and the bottom cover, the bottom cover is made of a conductive material, and the electronic key is electrically connected with the circuit board through the bottom cover and the electrode.

4. The idling lock cylinder with a jump ring groove according to claim 1, wherein the outer peripheral surface of the side wall of the bottom cover is provided with a radial pin blind hole, the housing is provided with a pin through hole corresponding to the pin blind hole, the housing and the bottom cover are fixedly connected by a pin, the pin is accommodated in the pin through hole and the pin blind hole, and the pin is fixedly connected with the pin through hole and/or the pin blind hole.

5. The lost motion lock cylinder with a jump ring slot of claim 1, wherein said housing and said mating cover are integrally formed.

6. The lost motion lock cylinder with a jump ring groove of claim 1, wherein a movable block is received in said radial through hole.

7. The idling lock cylinder with a circlip groove as claimed in claim 6, wherein the movable block is a steel ball.

8. The idling lock cylinder with the jump ring groove as claimed in claim 6, wherein the outer sleeve of the mating cover is provided with an unlocking cap, the inner surface of the unlocking cap is provided with a blind hole or a recess corresponding to the position of the movable block, the pushing portion is driven by the motor, when the motor works, the pushing portion pushes the movable block, a part of the movable block is accommodated in the blind hole or the recess, and the other part of the movable block is accommodated in the through hole; when the motor does not work, the movable block is completely positioned in the outer peripheral surface of the matching cover, and the matching cover can rotate in the unlocking cap; the motor has with the surface of unblock cap inside wall laminating.

9. The idling lock cylinder with a circlip groove of any one of claims 1 to 8, wherein the housing and/or the bottom cover are made of copper.

10. An intelligent lock, characterized in that it comprises a free-running lock cylinder with a circlip groove according to any one of claims 1 to 9.