A magnetically controlled lock cylinder

By combining the magnetic force of the magnetic beads and side beads in the lock core and the clamping design of the top beads and ball beads, the safety problems of the existing lock core under the opening are solved, and a higher safety factor and property protection effect are achieved.

CN112196366BActive Publication Date: 2024-12-20ZHONGSHAN CITY JIXIN CORE LOCK CO LTD
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Patent Information

Application Number
CN202011254314.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-11-11
Publication Date
2024-12-20
Estimated Expiration
2040-11-11

AI Technical Summary

Technical Problem

The existing lock core is easily turned on by technology under the provocation of criminals, resulting in a low safety factor and the inability to effectively protect the safety of users' property.

Method used

A magnetron lock core is designed, using magnetic force cooperation between magnetic beads and side beads to ensure that only when the key is correct can the side beads be removed from the slot and drive the lock to rotate and unlock; at the same time, the design of the top beads and ball beads is closed in the lock core. Time jamming, further increasing security.

Benefits of technology

Effectively prevent criminals from opening the lock core through provocation, significantly improving the safety factor of the lock core, ensuring that only the correct key can be opened, and enhancing property safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a magnetically controlled lock core, including a lock shell, a lock core hole being provided on the lock shell, a lock core being rotatably provided in the lock core hole, a key hole for inserting a key being provided in the axial direction of the lock core, a plurality of side bead holes being provided in the radial direction of the lock core and communicating with the key hole, side beads being slidably provided in the side bead holes, one end of which can be inserted into the key hole and cooperate with the tooth pattern of the key, a card slot being provided on the side wall of the lock core hole, a first spring being provided in the side bead hole to drive the other end of the side bead to be clamped in the card slot when the lock core is in a locked state, magnetic beads being inlaid inside the key, the magnetic force of the magnetic beads adsorbing the side beads being greater than the elastic force of the first spring, and when the key is inserted to open the lock, the key drives the side beads to cooperate with the tooth pattern of the key through the magnetic force of the magnetic beads so that the other end of the side bead is disengaged from the card slot, thereby enabling the lock core to be rotated to unlock the lock. The lock core created by the invention has a higher safety factor and can effectively prevent technical opening by lawless elements.
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Description

[Technical field]

[0002] The invention relates to the technical field of locks, in particular to a magnetically controlled lock core. [Background technology]

[0004] Generally, the existing lock core is provided with a front marble group and a side marble group. When the correct key is inserted, the correct key pushes the front marble group and the side marble group to the unlocking position through the tooth pattern, and then the lock core is driven to rotate by the key to complete the unlocking. However, for this kind of lock core, it is easy for criminals to open it technically through provocation. Therefore, the safety factor of this kind of lock core is not conducive to protecting the property safety of users. [Summary of the invention]

[0006] In order to solve the above problems, the present invention provides a magnetically controlled lock cylinder which has a high safety factor and can effectively prevent technical opening.

[0007] To achieve the above objectives, the present invention provides the following technical solutions.

[0008] The key is embedded with a magnetic bead inside the key, and the magnetic force of the magnetic bead on the side bead is greater than the elastic force of the first spring. When the key is inserted to open the door, the key drives the side bead to cooperate with the tooth of the key through the magnetic force of the magnetic bead, so that the other end of the side bead is disengaged from the slot, thereby enabling the lock core to rotate and unlock.

[0009] As a preferred embodiment, it is further defined as: the side bead includes a side bead body, a tail wing is provided at the end of the side bead body close to the slot, a sealing bead is provided in the side bead hole, a through hole is provided on the sealing bead for the tail wing to pass through, the diameter of the through hole is larger than the diameter of the tail wing and smaller than the diameter of the side bead body, and when locked, the tail wing of the side bead body passes through the through hole under the action of the first spring and is clamped in the slot.

[0010] As a preferred embodiment, it is further defined as: a first groove opening upward is provided on the outer periphery of the side bead body, a second groove opening downward is provided on the side wall of the side bead hole, the first groove and the second groove form a receiving groove for accommodating the first spring, and the diameter of the first spring is greater than the depth of the first groove and the second groove.

[0011] As a preferred embodiment, it is further defined as: side wings are relatively arranged on the circumferential surface of the side bead body, sliding grooves for the side wings to be inserted into are arranged on the side walls of the side bead hole, and the side bead body is inserted into the sliding grooves through the side wings.

[0012] As a preferred embodiment, it is further defined as: a plurality of top bead holes corresponding to and communicating with the side bead holes are arranged in the radial direction of the lock core, and the top bead holes are arranged with balls and top beads in sequence from the outside to the inside, and the inner wall of the lock core hole is provided with an arc groove for accommodating the balls, and the outer periphery of the side bead body is provided with an oblique groove which can be staggered with the top of the top bead in a locked state or can be opposite to the top of the top bead in an unlocked state, and when the key is inserted to drive the lock core to rotate, the ball disengages from the arc groove and moves upward against the top bead so that the top bead is stuck in the oblique groove.

[0013] As a preferred embodiment, it is further defined as: the axis of the side bead hole intersects obliquely or perpendicularly with the axis of the top bead hole.

[0014] As a preferred embodiment, it is further defined as: a ball hole communicating with the keyhole is provided in the radial direction of the lock core, a ball is provided in the ball hole, and the lock shell is provided with a flat ball hole opposite to the ball hole, and the flat ball and a second spring are sequentially provided in the flat ball hole from the outside to the inside, and the second spring drives the flat ball to resist the ball in the locked state so that the flat ball is partially stuck in the ball hole, and when the key is inserted, the tooth of the key drives the top of the ball to be flush with the circumferential surface of the lock core.

[0015] The beneficial effects of the present invention are:

[0016] 1. When the key is inserted, due to the magnetic force of the magnetic bead, the tail end of the side bead is separated from the slot, and the head end can cooperate with the tooth of the key to unlock the lock. If the wrong key is inserted, the tail end of the side bead is always stuck in the slot, and the lock core cannot be rotated to unlock, thereby preventing criminals from instigating the unlocking. Compared with the prior art, the lock core created by the present invention has a higher safety factor and can effectively prevent criminals from opening the lock by technology.

[0017] 2. In addition to the tail wing of the side bead being stuck into the slot for limiting, the top end of the top bead can be against the outer periphery of the side bead body, and the bottom end of the top bead can be against the ball, so that the ball is stuck in the arc groove, the lock core cannot rotate, and the safety factor of the lock core can be further increased.

[0018] 3. A marble hole communicating with the keyhole is provided in the radial direction of the lock core, a marble is provided in the marble hole, and a flat ball hole opposite to the marble hole is provided in the lock shell. The flat ball hole is provided with a flat ball and a second spring from the outside to the inside. When the second spring is in the locked state, the flat ball is driven to resist the marble so that the flat ball is partially stuck in the marble hole. When the key is inserted, the tooth of the key drives the top of the marble to be flush with the circumference of the lock core, further increasing the safety factor of the lock core.

Brief Description of the Drawings

[0020] Figure 1 It is a structural diagram of the present invention.

[0021] Figure 2 It is an exploded view created by the present invention.

[0022] Figure 3 This is one of the cross-sectional views when the key is not inserted.

[0023] Figure 4 This is one of the cross-sectional views when the key is inserted.

[0024] Figure 5 This is the second cross-sectional view when the key is not inserted.

[0025] Figure 6 This is the second cross-sectional view when the key is inserted.

[0026] Figure 7 It is a structural diagram of the lock core.

[0027] Figure 8 yes Figure 7 Enlarged view of point A.

[0028] Fig. 9 This is a diagram showing the structure of the side bead. [Specific implementation method]

[0030] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0031] As attached Figure 1 To Attachment Figure 4As shown, a magnetically controlled lock core comprises a lock shell 1, a lock core hole 11 is provided on the lock shell 1, a lock core 2 is rotatably provided in the lock core hole 11, a key hole 21 for inserting a key 3 is provided in the axial direction of the lock core 2, a plurality of side bead holes 22 in radial direction of the lock core 2 are provided which are communicated with the key hole 21, side beads 4 which have one end which can be inserted into the key hole 21 and cooperate with the tooth pattern of the key 3 are slidably provided in the side bead holes 22, a card slot 110 is provided on the side wall of the lock core hole 11, a first spring 5 which drives the other end of the side bead 4 to be stuck in the card slot 110 when the lock core is in a locked state is provided in the side bead hole 22, a magnetic bead 31 is inlaid inside the key 3, and the magnetic force of the magnetic bead 31 on the side bead 4 is greater than that of the side bead 4. Due to the elastic force of the first spring 5, when the key 3 is inserted to open the door, the key 3 drives the side bead 4 to cooperate with the tooth pattern of the key 3 through the magnetic force of the magnetic bead 31, so that the other end of the side bead 4 is disengaged from the slot 110, and the lock core 2 can be rotated to unlock. When the key 3 is inserted, the side bead 4 is disengaged from the slot 110 by the magnetic force of the magnetic bead 31, and the head end of the side bead 4 can cooperate with the tooth pattern of the key 3 to unlock. If the wrong key is inserted, the tail end of the side bead 4 is always stuck in the slot 110, and the lock core 2 cannot be rotated to unlock, thereby preventing criminals from instigating the unlocking. Compared with the prior art, the lock core created by the present invention has a higher safety factor, which can effectively prevent technical opening by criminals.

[0032] Specifically, as attached Figure 3 and attached Figure 4 As shown, the side bead 4 includes a side bead body 41, and a tail wing 42 is provided at the end of the side bead body 41 close to the slot 110, and a sealing bead 6 is provided in the side bead hole 22. A through hole 61 is opened on the sealing bead 6 for the tail wing 42 to pass through, and the diameter of the through hole 61 is larger than the diameter of the tail wing 42 and smaller than the diameter of the side bead body 41. When locked, the tail wing 42 of the side bead body 41 passes through the through hole 61 under the action of the first spring 5 and is clamped in the slot 110; since the diameter of the through hole 61 is larger than the diameter of the tail wing 42 and smaller than the diameter of the side bead body 41, the first spring 5 drives the side bead body 41 to resist the sealing bead 6, which effectively limits the sliding stroke of the side bead 4 in the side bead hole 22, and also can improve the accuracy of the tooth matching between the side bead 4 and the key 3.

[0033] Specifically, as attached Figure 4A first groove 43 opening upward is provided on the outer periphery of the side bead body 41, and a second groove 220 opening downward is provided on the side wall of the side bead hole 22. The first groove 43 and the second groove 220 form a receiving groove 50 for accommodating the first spring 5. The diameter of the first spring 5 is greater than the depth of the first groove 43 and the second groove 220, so that one end of the first spring 5 acts on the left side wall of the second groove 220, and the other end acts on the right side wall of the first groove 43, which is beneficial to the resetting of the side bead 4.

[0034] Specifically, as attached Figure 7 , Attachment Figure 8 and attached Fig. 9 As shown, side wings 44 are relatively arranged on the circumferential surface of the side bead body 41, and a sliding groove 221 for the side wings 44 to be inserted into is arranged on the side wall of the side bead hole 22. The side bead body 41 is inserted into the sliding groove 221 through the side wings 44, so that the side bead 4 can slide in the sliding groove 221 conveniently.

[0035] Specifically, as attached Figure 3 and attached Figure 4 As shown, a plurality of top bead holes 23 corresponding to the side bead holes 22 are provided in the radial direction of the lock core 2, and the top bead holes 23 are provided with balls 7 and top beads 8 in sequence from the outside to the inside. The inner wall of the lock core hole 11 is provided with an arc groove 111 for accommodating the ball 7, and the outer periphery of the side bead body 41 is provided with an oblique groove 45 which can be staggered with the top of the top bead 8 in the locked state or can be opposite to the top of the top bead 8 in the unlocked state. When the key 3 is inserted to drive the lock core 2 to rotate When moving, the ball 7 disengages from the arc groove 111 and moves upward against the top ball 8, so that the top ball 8 is stuck in the oblique groove 45; the axis of the side bead hole 22 is obliquely intersected or perpendicularly intersected with the axis of the top bead hole 23. In addition to the tail wing 42 of the side bead 4 being stuck in the slot 110 for limiting, the top end of the top bead 8 can also be abutted against the outer periphery of the side bead body 41, and the bottom end of the top bead 8 is abutted against the ball 7, so that the ball 7 is stuck in the arc groove 111, and the lock core 2 cannot rotate to achieve the locking purpose.

[0036] Specifically, as attached Figure 5 and attached Figure 6As shown, a ball hole 24 communicating with the key hole 21 is provided in the radial direction of the lock core 2, a ball 241 is provided in the ball hole 24, and the lock housing 1 is provided with a flat ball hole 12 which can be opposite to the ball hole 24, and the flat ball hole 12 is provided with a flat ball 121 and a second spring 122 from the outside to the inside, and the second spring 122 drives the flat ball 121 to resist the ball 241 in the locked state so that the flat ball 121 is partially stuck in the ball hole 24, and when the key 3 is inserted, the tooth of the key 3 drives the top of the ball 241 to be flush with the circumferential surface of the lock core 2, which can further increase the safety factor of the lock core.

[0037] The specific working principle is as follows: when unlocking, insert the key 3, and the key 3 drives the side bead 4 to cooperate with the tooth pattern of the key 3 through the magnetic force of the magnetic bead 31, so that the tail wing 42 of the side bead 4 is separated from the slot 110; at the same time, the oblique groove 45 on the side bead body 41 is aligned with the top of the top bead 8; at the same time, the top of the marble 241 is flush with the circumferential surface of the lock core 2 driven by the key tooth; at this time, when the lock core 2 is driven to rotate by the key 3, the ball 7 is separated from the arc groove 111 and moves upward against the top bead 8, so that the top bead 8 is stuck in the oblique groove 45, and the lock is unlocked. When locking, the key 3 is pulled out, and the first spring 5 drives the tail wing 42 of the side ball 4 to be clamped into the clamping groove 110; at the same time, the side ball 4 pushes the ball 7 into the arc groove 111 through the top ball 8 during the resetting process; at the same time, the second spring 122 drives the flat ball 121 into the marble hole 24 to complete the locking.

[0038] Compared with the existing technology, the lock core of this product has a higher safety factor and can more effectively prevent technical opening by criminals.

Claims

1. A magnetically controlled lock core, comprising a lock housing (1), wherein the lock housing (1) is provided with a lock core hole (11), a lock core (2) is rotatably arranged in the lock core hole (11), and a key hole (21) for inserting a key (3) is arranged in the axial direction of the lock core (2), characterized in that: The lock core (2) is provided with a plurality of side bead holes (22) in a radial direction and in communication with the key hole (21). A side bead (4) is slidably provided in each of the side bead holes (22), one end of which can be inserted into the key hole (21) and engage with the teeth of the key (3). A locking groove (110) is provided on the side wall of the lock core hole (11). A second locking groove (110) is provided in the side bead hole (22) for driving the other end of the side bead (4) to be locked in the locking groove (110) when the lock core is in a locked state. a spring (5), wherein a magnetic bead (31) is embedded inside the key (3), and the magnetic force of the magnetic bead (31) on the side bead (4) is greater than the elastic force of the first spring (5); when the key (3) is inserted to open the door, the magnetic force of the magnetic bead (31) drives the side bead (4) to cooperate with the tooth pattern of the key (3), so that the other end of the side bead (4) is separated from the slot (110), thereby enabling the lock core (2) to rotate to unlock the door; The side bead (4) comprises a side bead body (41), the outer periphery of the side bead body (41) is provided with a first groove (43) opening upward, the side wall of the side bead hole (22) is provided with a second groove (220) opening downward, the first groove (43) and the second groove (220) enclose a receiving groove (50) for receiving the first spring (5), the diameter of the first spring (5) is greater than the depth of the first groove (43) and the second groove (220); side wings (44) are relatively provided on the peripheral surface of the side bead body (41), the side wall of the side bead hole (22) is provided with a sliding groove (221) for the side wing (44) to be clamped, and the side bead body (41) is clamped in the sliding groove (221) through the side wing (44).

2. The magnetically controlled lock cylinder according to claim 1, characterized in that: A tail wing (42) is arranged at the end of the side bead body (41) close to the slot (110), a sealing bead (6) is arranged in the side bead hole (22), and a through hole (61) is provided on the sealing bead (6) for the tail wing (42) to pass through, and the diameter of the through hole (61) is larger than the diameter of the tail wing (42) and smaller than the diameter of the side bead body (41). When locked, the tail wing (42) of the side bead body (41) passes through the through hole (61) under the action of the first spring (5) and is locked in the slot (110).

3. The magnetically controlled lock cylinder according to claim 2, characterized in that: A plurality of top bead holes (23) are provided in a radial direction on the lock core (2) and correspond to and communicate with the side bead holes (22) one by one. The top bead holes (23) are provided with balls (7) and top beads (8) in sequence from the outside to the inside. The inner wall of the lock core hole (11) is provided with an arc groove (111) capable of accommodating the ball (7). An oblique groove (45) is provided on the outer periphery of the side bead body (41) and can be offset from the top of the top bead (8) in a locked state or can be opposite to the top of the top bead (8) in an unlocked state. When the key (3) is inserted to drive the lock core (2) to rotate, the ball (7) is separated from the arc groove (111) and moves upward against the top bead (8), so that the top bead (8) is stuck in the oblique groove (45).

4. The magnetically controlled lock cylinder according to claim 3, characterized in that: The axis of the side bead hole (22) intersects obliquely or perpendicularly with the axis of the top bead hole (23).

5. The magnetically controlled lock cylinder according to any one of claims 1 to 4, characterized in that: The lock core (2) is provided with a ball hole (24) in a radial direction thereof and communicating with the key hole (21); a ball (241) is arranged in the ball hole (24); the lock housing (1) is provided with a flat ball hole (12) which can be opposite to the ball hole (24); a flat ball (121) and a second spring (122) are arranged in sequence from the outside to the inside of the flat ball hole (12); the second spring (122) drives the flat ball (121) to abut against the ball (241) in a locked state so that the flat ball (121) is partially stuck in the ball hole (24); when the key (3) is inserted, the tooth of the key (3) drives the top end of the ball (241) to be flush with the circumferential surface of the lock core (2).