A lock cylinder and a lock
By introducing anti-theft bars and anti-theft grooves into the lock cylinder, the problem of poor anti-theft performance of pin tumbler lock cylinders is solved, the anti-theft security of the lock cylinder is enhanced, and the success rate of technical unlocking is reduced.
Patent Information
- Application Number
- CN202423080917.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Existing pin tumbler lock cylinders have poor anti-theft performance due to the uniform and smooth pin holes on the cylinder body. They are easily cracked by technical lock picking tools, which affects the anti-theft security performance of the door lock.
The design incorporates an anti-theft bar and an anti-theft groove into the lock cylinder. The anti-theft bar moves within the anti-theft groove to prevent the cylinder from rotating, increasing the error in unlocking judgment. Furthermore, the anti-theft performance is enhanced by the inclined groove walls and staggered distribution.
The design of the anti-theft bar and anti-theft groove increases the difficulty of unlocking, improves the anti-theft security performance of the lock cylinder, and reduces the success rate of technical unlocking.
Smart Images
Figure CN223608334U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of door lock, in particular to a lock cylinder and lock. BACKGROUND
[0002] There are many kinds of locks, and the common door lock is usually a pin tumbler lock, the main structure of the pin tumbler lock is the lock cylinder, the existing lock cylinder mainly comprises an inner lock cylinder assembly, an outer lock cylinder assembly and a lock cylinder dial installed between the inner lock cylinder assembly and the outer lock cylinder assembly and can be driven to rotate the lock door or unlock, the outer lock cylinder assembly usually comprises a shell, a core and a pin, the core is installed in the shell, the pin is installed on the core in the radial direction of the core, the shell is provided with a locking rod in the radial direction of the pin, one end of the locking rod is located in the shell, and the other end extends into the pin hole, when the door lock is locked, the locking rod blocks the rotation of the lock cylinder in the shell, when unlocking, the key is inserted into the core, the pin pushes the locking rod, the locking rod is driven to slide along the radial direction of the core and exit the core, and then the key drives the core to rotate, thereby driving the lock cylinder dial to rotate to unlock.
[0003] The existing lock cylinder of the pin tumbler lock, since the pin hole in the core is basically a cylindrical hole with consistent hole diameter, the pin and the locking rod are rod-shaped with uniform and smooth outer wall, when a thief uses a tool to technically unlock, in order to drive the core to rotate, the thief can apply force to the core by using a technical unlocking tool to drive the core to rotate, and then another tool is used to push the pin, so that the pin pushes the locking rod, due to the structural characteristics of the pin hole, the pin and the locking rod and the rotation trend of the core, when the locking rod exits the pin, the thief obtains the unlocking information through the rotation of the core, which leads to poor anti-theft performance of the pin tumbler lock, and further affects the anti-theft safety performance of the door lock using the pin tumbler lock. UTILITY MODEL CONTENTS
[0004] The utility model wants to achieve the purpose of providing a lock cylinder and lock, solving the problem of poor anti-theft performance of the pin tumbler lock, increasing the error of judging the unlocking information through the rotation of the core, improving the anti-theft safety factor of the lock cylinder, and further improving the anti-theft safety performance of the door lock.
[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a lock cylinder, including outer lock cylinder subassembly, inner lock cylinder subassembly and be located between outer lock cylinder subassembly and inner lock cylinder subassembly's lock cylinder handle, the outer lock cylinder subassembly includes the casing, the core and the pin, the core rotation is arranged in the inner hole of casing, the core is equipped with the keyhole and the pin hole parallel to the radial surface of core, the keyhole is communicated with pin hole, the pin is slidably arranged in the pin hole, the pin is abutted by the locking rod with casing to make the pin extend into the keyhole, the locking rod one end is located in casing, one end is located in the core to block the core rotation, the casing is equipped with the anti-theft rod, the core is equipped with the anti-theft groove through the outer wall of core and communicated with pin hole, the anti-theft rod extends into the anti-theft groove and abuts the pin, the groove wall of anti-theft groove and the outer wall of anti-theft rod form the anti-theft space in the circumference of core, the anti-theft rod has the anti-theft state and the unlocking state, when the anti-theft rod is in the anti-theft state, the anti-theft rod moves to the anti-theft space and does not separate from the anti-theft groove to prevent the technical unlocking.
[0006] After adopting the above technical scheme, the utility model has the following advantages: when the lock cylinder is installed on the door panel with the lock body, the inner lock cylinder subassembly is located on the inner side, and the outer lock cylinder subassembly is located on the outer side, so that the user can lock the door from the outer side of the door. When locking the door with the key, the key is inserted into the keyhole on the core, the teeth on the key push the pin, and the pin slides in the pin hole until the grip part that can drive the core to rotate can drive the core to rotate, thereby driving the lock cylinder handle to rotate to push the lock tongue to slide out or retract to unlock or lock the door. An anti-theft rod is installed between the core and the casing, and an anti-theft groove is formed on the core at the outer end of the pin hole. When the door thief uses a technical unlocking tool to push the pin and drive the core to rotate, the anti-theft rod moves to the anti-theft space in the circumference of the core, so that the anti-theft rod is in the anti-theft state. The door thief can feel the rotation of the core, but the anti-theft rod is still inserted into the anti-theft groove to block the further rotation of the core, thereby playing an anti-theft role and improving the anti-theft safety performance of the lock cylinder. Compared with only the pin, the setting of the anti-theft groove makes the anti-theft rod not separate from the core, and the core can rotate appropriately, thereby affecting the judgment of the door thief and improving the anti-theft performance of the lock cylinder. When the anti-theft rod is in the unlocking state, the key is inserted into the keyhole. Without rotating the core, the pin pushes the anti-theft rod, so that the anti-theft rod and the locking rod are both slid to the outer peripheral wall of the core under the abutting action of the pin. At this time, the anti-theft rod and the locking rod do not affect the rotation of the core. In addition, when a hammer or other tool is used to knock the outer lock cylinder subassembly and the core is driven to rotate by another tool to technically unlock, the anti-theft rod jumps in the anti-theft groove, avoiding the anti-theft rod directly separating from the pin hole and unlocking under the knocking vibration.
[0007] Further, the two side walls of the anti-theft space in the circumference of the core are parallel to the axis direction of the pin hole.
[0008] The anti-theft space is parallel to the axis direction of the pin hole on the two side walls of the core in the circumferential direction, and the anti-theft rod has a space when it is not separated from the anti-theft groove, and the processing difficulty of the anti-theft groove is reduced, and the processing difficulty of the lock core is reduced under the condition of playing the anti-theft role.
[0009] Further, the two side walls of the anti-theft groove distributed in the circumferential direction of the core are inclined, so that the width of the bottom wall of the anti-theft groove in the circumferential direction of the core is greater than the width of the slot of the anti-theft groove in the circumferential direction of the core.
[0010] The two side walls of the anti-theft groove distributed in the circumferential direction of the core are inclined, so that the width of the bottom wall of the anti-theft groove in the circumferential direction of the core is greater than the width of the slot of the anti-theft groove in the circumferential direction of the core, the space of the anti-theft rod in the anti-theft groove is increased, and the possibility of mistaken judgment by the thief is increased. When the core rotates, the inclined groove wall also abuts against the anti-theft rod downward, reducing the possibility of the anti-theft rod being separated from the anti-theft groove and being opened by the thief under a large force.
[0011] Further, the end of the anti-theft rod is provided with an anti-theft abutting portion, and the outer circumferential wall of the anti-theft abutting portion is inclined so that the outer diameter of the end of the anti-theft abutting portion in contact with the anti-theft rod is smaller than the outer diameter of the end of the anti-theft abutting portion close to the pin hole.
[0012] The anti-theft rod and the groove wall of the anti-theft groove abut, and the anti-theft abutting portion and the groove wall of the anti-theft groove abut through the inclined arrangement of the anti-theft abutting portion, so that the abutting force is biased towards the axis of the core, and the difficulty of the anti-theft abutting portion being separated from the anti-theft groove is increased, and the anti-theft performance of the lock core is further improved.
[0013] Further, a connecting rod portion is provided between the anti-theft rod and the anti-theft abutting portion, and the end of the connecting rod portion connected with the anti-theft abutting portion extends into the anti-theft groove so that the anti-theft abutting portion is located in the anti-theft groove.
[0014] The connecting rod portion is provided between the anti-theft rod and the anti-theft abutting portion, which reduces the influence of the rod wall of the anti-theft rod and the groove wall of the anti-theft groove on the normal use of the lock core, and the connecting rod portion reduces the influence, and the anti-theft abutting portion and the groove wall of the anti-theft groove abut to prevent theft, so that the anti-theft performance is improved without affecting the normal opening of the lock core.
[0015] Further, the locking rod and the anti-theft rod are staggered.
[0016] The locking rod and the anti-theft rod are staggered, which increases the difficulty of the thief to judge the anti-theft rod, and further improves the anti-theft performance of the lock core.
[0017] Further, the anti-theft rod and the anti-theft groove are provided with at least two groups along the axis of the core.
[0018] The anti-theft rod and the anti-theft slot are arranged in at least two groups, so that the anti-theft performance of the lock cylinder is not affected by the single anti-theft rod and the single anti-theft slot, the complexity of the anti-theft rod and the anti-theft slot after being staggered with the locking rod is increased, the difficulty of the thief in judging the anti-theft rod and the anti-theft slot in the case of using a technical unlocking tool is increased, and the anti-theft performance of the lock cylinder is improved.
[0019] Further, the anti-theft rod and the anti-theft slot are arranged on the side of the cylinder body close to the inner lock cylinder assembly.
[0020] According to the above technical scheme, the anti-theft rod is arranged at the inner end of the cylinder body, the difficulty of the thief in touching the anti-theft rod is increased, the difficulty of the technical unlocking tool in moving the anti-theft rod is increased, and the anti-theft performance of the lock cylinder is further improved.
[0021] Further, the two groove walls of the anti-theft slot distributed along the axial direction of the cylinder body are provided with an anti-theft rod avoiding gap.
[0022] According to the above technical scheme, the anti-theft rod avoiding gap is arranged on the groove wall of the anti-theft slot, the anti-theft rod avoiding gap is distributed along the axial direction of the cylinder body, and the anti-theft rod can be separated from the cylinder body along the radial direction of the cylinder body when the user uses the key to unlock, so that the groove wall of the anti-theft slot does not affect the normal unlocking of the cylinder body.
[0023] In order to achieve the above purpose, the utility model adopts the following technical scheme: a lock, comprising a lock body and a lock cylinder as described above.
[0024] According to the above technical scheme, the above lock cylinder is applied to the lock body to form a lock, so that the possibility of the door using the lock being opened by the thief using a technical unlocking tool is increased, and the safety performance of the lock is improved. BRIEF DESCRIPTION OF DRAWINGS
[0025] The utility model will be further described below in combination with the drawings:
[0026] Figure 1 It is a structure schematic view of the utility model a lock cylinder;
[0027] Figure 2 It is a sectional view of the utility model outer lock cylinder assembly;
[0028] Figure 3 It is an installation schematic view of the locking rod and the cylinder body in the utility model;
[0029] Figure 4 It is the utility model Figure 2 An enlarged view of A in the utility model;
[0030] Figure 5 It is a schematic view of the anti-theft slot and the ball hole in the utility model;
[0031] Figure 6It is the schematic view of the anti-theft slot and the anti-theft rod in the radial surface of the core body of the utility model;
[0032] Figure 7 It is the sectional view of the anti-theft abutting part and the outer lock core assembly in the utility model;
[0033] Figure 8 It is the schematic view of the anti-theft slot being trapezoidal in the utility model;
[0034] Figure 9 It is the schematic view of the anti-theft slot being trapezoidal in the utility model; Figure 7 It is the enlarged view of B in the utility model;
[0035] Figure 10 It is the schematic view of the anti-theft slot and the avoiding gap in the utility model; Specific implementation
[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0037] The terms "first", "second" and the like (if exist) in the specification and claims of the utility model are used to distinguish similar objects, not to describe a specific order or sequence, even if "second" is used before a certain technical feature to distinguish, it does not mean that it must have "first". It should be understood that in the utility model, "include" and "have" and any variants thereof are intended to cover non-exclusive inclusion. It should be understood that in the utility model, "multiple" means two or more than two. "And / or" is only a description of the association relationship between the associated objects, which means that there may be three kinds of relationships, for example, X and / or Y can represent: X alone, X and Y exist at the same time, and Y alone. The character " / " generally represents that the associated objects before and after are in an "or" relationship. "Include X, Y and Z", "include X, Y, Z" means that X, Y and Z are included, "include X, Y or Z" means that one of X, Y and Z is included, and "include X, Y and / or Z" means that any one or any two or three of X, Y and Z is included.
[0038] The technical scheme of the utility model will be described in detail below with specific embodiments. The following several specific embodiments can be combined or replaced according to actual situation, and the same or similar concepts or processes may not be described in some embodiments.
[0039] As Figure 1The utility model provides a lock cylinder, including outer lock cylinder subassembly 1, inner lock cylinder subassembly 2 and be located between outer lock cylinder subassembly 1 and inner lock cylinder subassembly 2's lock cylinder handle 3, as Figure 2 As shown, outer lock cylinder subassembly 1 includes shell 11, cylinder body 12 and billiard ball 13, cylinder body 12 rotation is arranged in the inner hole of shell 11, as Figure 3 As shown, cylinder body 12 is provided with keyhole 121 and the radial surface parallel to billiard ball hole 122 of cylinder body 12, billiard ball hole 122 is provided with multiple along the axis direction of cylinder body 12, and billiard ball 13 also has multiple and with multiple billiard ball hole 122 one-to-one sliding insertion, as Figure 2 、 Figure 3 And Figure 4 As shown, keyhole 121 is communicated with billiard ball hole 122, and keyhole 121 is used for inserting key when user unlocking, and billiard ball 13 and shell 11 are abutted by locking rod 14 to make billiard ball 13 have the tendency of extending into keyhole 121 and keep the end of billiard ball 13 to extend into keyhole 121, and one end of locking rod 14 is located in shell 11, and the other end is located in cylinder body 12 to block the rotation of cylinder body 12 and unlock. Specifically, shell 11 has mounting cavity, and elastic element 15 is arranged in the mounting cavity, the elastic element 15 is arranged along the radial direction of cylinder body 12, the elastic element 15 is abutted on the end of locking rod 14 away from cylinder body 12, so that the other end of locking rod 14 extends into billiard ball hole 122. When unlocking, the user inserts the key into the keyhole 121, and the key pushes the billiard ball 13 one by one along the radial direction of the cylinder body 12 during the insertion process, so that the billiard ball 13 slides in the billiard ball hole 122, thereby pushing the locking rod 14, so that the locking rod 14 abuts and compresses the elastic element 15, until the end of the locking rod 14 and the billiard ball 13 abuts moves to the outer peripheral wall of the cylinder body 12, at this time, rotate the key, drive the cylinder body 12 to rotate, thereby driving the lock cylinder handle 3 to rotate to push the lock tongue to slide back and unlock; when locking the lock cylinder, the same operation is also performed, the cylinder body 12 is rotated by the key to drive the lock cylinder handle 3 to rotate to push the lock tongue to extend.
[0040] In the embodiment, as shown in Figure 4 In order to improve the anti-theft performance of the lock cylinder, the shell 11 is provided with an anti-theft rod 16, as shown in Figure 5 As shown, cylinder body 12 is provided with anti-theft groove 123 communicated with billiard ball hole 122, and anti-theft groove 123 penetrates the outer peripheral wall of cylinder body 12 along the radial direction of cylinder body 12, as Figure 4 As shown, anti-theft rod 16 is arranged parallel to locking rod 14, one end of anti-theft rod 16 is in the mounting cavity of shell 11 and abuts with elastic element 15, the other end extends into anti-theft groove 123 and abuts on the end face of billiard ball 13, and specifically, as Figure 6As shown, the anti-theft slot 123 extends along the circumference of the core 12, so that the slot wall of the anti-theft slot 123 and the outer circumference of the anti-theft rod 16 form an anti-theft space in the circumferential direction of the core 12. When a thief uses a technical unlocking tool to unlock, and applies a rotating force to the core 12, and then uses another technical unlocking tool to move the pin 13, so that the pin 13 pushes the locking rod 14 and the anti-theft rod 16 to unlock, the arrangement of the anti-theft slot 123 and the anti-theft rod 16 makes the technical unlocking tool drive the pin 13 to push the anti-theft rod 16. When the anti-theft rod 16 enters the anti-theft slot 123, due to the existence of the anti-theft space, the anti-theft rod 16 moves in the anti-theft space, so that the anti-theft rod 16 is in an anti-theft state. The anti-theft space allows the core 12 to have a certain rotation space when the anti-theft rod 16 is not separated from the anti-theft slot 123, thereby giving the thief an illusion that the lock can be unlocked. After receiving the illusion information, the thief will move the next pin 13, which will cause the anti-theft rod 16 to still be arranged horizontally between the core 12 and the shell 11, thereby playing an anti-theft role and improving the anti-theft performance of the lock core. Specifically, as shown in Figure 4 As shown, the end of the anti-theft rod 16 is provided with an anti-theft abutting portion 161, and the outer circumferential wall of the anti-theft abutting portion 161 is inclinedly arranged so that the outer diameter of the end of the anti-theft abutting portion 161 in contact with the anti-theft rod 16 is smaller than the outer diameter of the end of the anti-theft abutting portion 161 close to the pin hole 122, so that the anti-theft abutting portion 161 is arranged in a tapered shape. After the anti-theft abutting portion 161 extends into the anti-theft slot 123, the larger end of the anti-theft abutting portion 161 is located at the connection between the anti-theft slot 123 and the pin hole 122. When the anti-theft abutting portion 161 moves in the anti-theft slot 123 and the thief continues to unlock, the slot wall of the anti-theft slot 123 contacts the inclined outer circumferential wall of the anti-theft abutting portion 161, which reduces the possibility of the anti-theft rod 16 sliding out of the anti-theft rod 16, thereby improving the anti-theft performance of the anti-theft rod 16. When the anti-theft rod 16 is in an unlocking state, the key is inserted into the key insertion hole 121. In the case that the core 12 does not rotate, the pin 13 pushes the anti-theft rod 16, so that the anti-theft rod 16 and the locking rod 14 are both slid to the outer circumferential wall of the core 12 under the abutting action of the pin 13. At this time, the anti-theft rod 16 and the locking rod 14 do not affect the rotation of the core 12.
[0041] In order to reduce the processing difficulty of the anti-theft slot, as shown in Figure 6 As shown, the two side walls of the anti-theft space in the circumferential direction of the core 12 are parallel to the axis direction of the pin hole 122, thereby reducing the processing difficulty of the anti-theft slot 123, improving the anti-theft performance of the lock core, and reducing the processing difficulty of the core 12.
[0042] In another embodiment, in order to improve the anti-theft safety performance between the anti-theft slot 123 and the anti-theft rod 16, as shown in Figure 7 and Figure 8As shown, the anti-theft slot 123 is arranged obliquely on the two side walls of the core 12 in the circumferential direction, so that the width of the bottom wall of the anti-theft slot 123 in the circumferential direction of the core 12 is greater than the width of the slot opening of the anti-theft slot 123 in the circumferential direction of the core 12; specifically, as shown in Figure 6 As shown, the width of the bottom wall of the anti-theft slot 123 in the circumferential direction of the core 12 is L1, and the width of the slot opening of the anti-theft slot 123 in the circumferential direction of the core 12 is L2, L1>L2. By arranging L1>L2, the movement space of the anti-theft rod 16 at the position of the bottom wall of the anti-theft slot 123 is increased, and the possibility of false judgment by the thief is increased. When the core 12 rotates, the inclined slot wall also abuts against the anti-theft rod 16 downward, reducing the possibility that the anti-theft rod 16 is removed from the anti-theft slot 123 by the thief under a large force, and further improving the anti-theft performance of the lock core.
[0043] In order to further improve the anti-theft performance of the lock core, as shown in Figure 7 and Figure 9 As shown, the anti-theft rod 16 and the locking rod 14 are staggered in the axial direction of the core 12. When the thief uses a tool to move the pin 13, the staggered arrangement increases the difficulty of the thief in judging the anti-theft rod 16, thereby increasing the difficulty of the anti-theft rod 16 in withdrawing from the anti-theft slot 123 in the process of technical unlocking, and further improving the anti-theft safety of the door lock.
[0044] In another embodiment, as shown in Figure 4 and Figure 9 As shown, the anti-theft rod 16 and the anti-theft slot 123 are arranged in at least two groups in the axial direction of the core 12. When the thief uses a tool to unlock, the position of the anti-theft rod 16 cannot be accurately judged, and when the tool moves one anti-theft rod 16 out of the anti-theft slot 123, other anti-theft rods 16 can still block the rotation of the core 12. By the anti-theft effect of multiple anti-theft rods 16 and multiple anti-theft slots 123, the anti-theft performance of the lock core is improved.
[0045] In order to increase the difficulty of the thief in unlocking, as shown in Figure 2 and Figure 7 As shown, the anti-theft rod 16 and the anti-theft slot 123 are arranged on the side of the core 12 close to the inner lock core assembly 2, so that the anti-theft rod 16 and the anti-theft slot 123 are located at the inner end of the core 12, increasing the difficulty of the tool used by the thief in touching and moving the anti-theft rod 16, and further improving the anti-theft performance of the lock core.
[0046] In another embodiment, as shown in Figure 9As shown, the connecting rod part 162 is provided between the anti-theft rod 16 and the anti-theft abutting part 161, and the outer diameter of the connecting rod part 162 is the same as that of the smaller end of the anti-theft abutting part 161, so that the outer peripheral wall of the connecting rod part 162 and the groove wall of the anti-theft groove 123 have a certain space, which reduces the contact between the anti-theft rod 16 and the groove wall of the anti-theft groove 123, and affects the radial sliding of the anti-theft rod 16 along the core 12.
[0047] In order to avoid the influence of the anti-theft groove 123 on the normal unlocking of the core 12, as shown in Figure 8 and Figure 10 As shown, the anti-theft groove 123 is provided with an avoiding notch 1231 on the axial two side walls of the core 12, and when the key is used for normal unlocking, the avoiding notch 1231 reduces the collision between the groove wall of the anti-theft groove 123 and the outer peripheral wall of the anti-theft rod 16, and affects the sliding of the anti-theft rod 16 out of the outer peripheral wall of the core 12, and affects the unlocking of the lock core.
[0048] In another embodiment, the utility model also provides a lock, including lock body and above-mentioned lock core, through setting above-mentioned lock core in lock body, improve the possibility that the door of using lock is stolen by the person using technical lock opening tool to open, further improve the security performance of lock.
[0049] In addition to the above preferred embodiments, the utility model has other implementation manners, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of the utility model claimed.
Claims
1. A lock cylinder comprising an outer cylinder assembly, an inner cylinder assembly and a cylinder dial disposed between the outer cylinder assembly and the inner cylinder assembly, the outer cylinder assembly comprising a housing, a core and a plug, the core being rotatably disposed in an inner hole of the housing, the core being provided with a keyhole and a plug hole parallel to a radial surface of the core, the keyhole being in communication with the plug hole, the plug being slidably disposed in the plug hole, the plug being abutted by a locking rod against the plug so that the plug extends into the keyhole, the locking rod having one end located in the housing and the other end located in the core to block the core from rotating, characterized in that, The shell is provided with an anti-theft rod, the core body is provided with an anti-theft slot penetrating the peripheral wall of the core body and communicating with the pin hole, the anti-theft rod extends into the anti-theft slot and abuts against the pin, the slot wall of the anti-theft slot and the peripheral wall of the anti-theft rod form an anti-theft space in the circumferential direction of the core body, the anti-theft rod has an anti-theft state and an unlocking state, when the anti-theft rod is in the anti-theft state, the anti-theft rod moves to the anti-theft space without being separated from the anti-theft slot to prevent technical unlocking.
2. The lock cylinder of claim 1, wherein The two side walls of the anti-theft space in the circumferential direction of the core body are parallel to the axis direction of the pin hole.
3. The lock cylinder of claim 1, wherein The two side walls of the anti-theft slot distributed in the circumferential direction of the core body are inclinedly arranged, so that the width of the bottom wall of the anti-theft slot in the circumferential direction of the core body is greater than the width of the slot opening of the anti-theft slot in the circumferential direction of the core body.
4. The lock cylinder of claim 1, wherein The end of the anti-theft rod is provided with an anti-theft abutting portion, the peripheral wall of the anti-theft abutting portion is inclinedly arranged, so that the outer diameter of the end of the anti-theft abutting portion in contact with the anti-theft rod is smaller than the outer diameter of the end of the anti-theft abutting portion close to the pin hole.
5. The lock cylinder of claim 4, wherein, A connecting rod portion is arranged between the anti-theft rod and the anti-theft abutting portion, one end of the connecting rod portion connected with the anti-theft abutting portion extends into the anti-theft slot, so that the anti-theft abutting portion is located in the anti-theft slot.
6. The lock cylinder of claim 1, wherein, The locking rod and the anti-theft rod are staggered.
7. The lock cylinder of claim 1, wherein The anti-theft rod and the anti-theft slot are both provided with at least two groups in the axial direction of the core body.
8. The lock cylinder of claim 1, wherein, The anti-theft rod and the anti-theft slot are located on the side of the core body close to the inner lock core assembly.
9. The lock cylinder of claim 1, wherein, The two slot walls of the anti-theft slot distributed in the axial direction of the core body are provided with avoiding notches for avoiding the anti-theft rod.
10. A lock characterised in that, The lock body and the lock core as claimed in any one of claims 1 to 9 are included.