Anti-copy key structure of mechanical lock

Abstract

The utility model discloses an anti-copying key structure of a mechanical lock. The anti-copying key structure comprises a key body, the adaptation mechanism is arranged on the outer side of the key body and used for being matched with a lock; one end of the key body is provided with a rotating mechanism used for extending to be matched with a lock for unlocking and a connecting mechanism matched with the rotating mechanism. The connecting mechanism comprises a connecting groove formed in one end of the key body and used for being matched with the lock. Through the matching arrangement of the adapting mechanism, the connecting mechanism and the rotating mechanism, the anti-copying advantage is realized, rubbing by external tools such as plasticine is avoided, the safety privacy is effectively improved, the copying difficulty can be increased by utilizing the irregular and complicated adapting mechanism, and meanwhile, the rotating mechanism can be adapted by utilizing the connecting mechanism, so that the anti-copying effect is realized. And extension and contraction adjustment is conducted on the connecting mechanism and the rotating mechanism, and a connector in the rotating mechanism can be adjusted to be matched with a customized lock, so that unlocking operation is completed.

Description

Technical Field

[0001] This utility model relates to the field of mechanical lock key technology, specifically to an anti-copying key structure for mechanical locks. Background Technology

[0002] The keys used in mechanical locks are typically made of metals such as copper, zinc, aluminum, and iron. These materials have good hardness and durability, meeting the requirements of mechanical locks. The design and manufacturing materials of mechanical lock keys allow them to be unlocked by inserting them into the keyhole and rotating them; this unlocking method does not require any electronic devices or batteries.

[0003] The keys on existing leaf locks generally have a groove in the middle of the key body and leaf slots on both sides. Each key has a fixed specific shape for its leaf slots, which are generally polygonal recessed grooves. When a new key needs to be made due to a lack of keys, it needs to be milled from a blank key body, which increases costs and cannot meet people's desire for quick and simple key duplication.

[0004] To address the aforementioned technical issues, CN208578430U discloses a novel key structure for wafer locks. This structure achieves different tooth positions through the arrangement of fixing plates with different tooth numbers. When duplicating a new key, simply adhere and fix the fixing plates with different tooth numbers to the wafer groove according to the required tooth positions; the duplication process is simple and convenient. The key structure is reasonable and easy to use; the groove has a guide opening for easy use; and the recessed markings facilitate identification of the correct orientation.

[0005] The existing key structures used for mechanical locks have the following shortcomings: the existing key structures adapted to mechanical locks are limited in variety and can be copied by tools such as clay for various reasons. Even if the key is not removed, it can still be copied, causing security risks to key use. Utility Model Content

[0006] The purpose of this utility model is to provide an anti-copying key structure for mechanical locks, which has the advantage of being anti-copying. It adopts an extendable and adjustable method to adapt to customized locks, thereby preventing the key from being copied and increasing the security of use, thus solving the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a key structure for preventing duplication of a mechanical lock, comprising a key body;

[0008] An adapter mechanism is provided on the outside of the key body for adapting to the lock.

[0009] One end of the key body is provided with a rotating mechanism for extending and adapting to the unlocking of the lock and a connecting mechanism adapted to the rotating mechanism.

[0010] The connecting mechanism includes:

[0011] A connecting slot is provided at one end of the key body for fitting the lock, and a fitting component is provided inside the connecting slot to assist the rotation of the rotating mechanism.

[0012] The rotating mechanism includes;

[0013] The connector is located inside the connecting groove to fit the lock. One end of the connector has a groove for inserting the lock. The other end of the connector is equipped with an extension component that has a thread and a rotating component that is connected to the extension component for rotational adjustment.

[0014] Preferably, the extension component includes;

[0015] A limiting seat is fixedly installed at the other end of the connector. Both the connector and the limiting seat have internal threaded holes and screws that are threadedly connected to the internal threaded holes.

[0016] Preferably, the rotating component includes;

[0017] A rotating rod fixedly installed at one end of the screw for transmission and a rotating wheel connected to the rotating rod for driving rotation, the extension position can be adjusted by rotation when adapted.

[0018] Preferably, the fitting component includes;

[0019] A cavity is provided at one end of the connecting groove to limit the position of the connector, and a connecting hole is connected to the cavity to accommodate the rotating rod.

[0020] The top of the key body has a rotating hole for fitting the rotating wheel.

[0021] Preferably, the adapter mechanism includes;

[0022] The key body has a first groove at the top and bottom for fitting the lock, and a second groove at the top and bottom of the outer side of the key body for preventing duplication.

[0023] Preferably, the two sets of the first grooves are symmetrically arranged vertically, and the two sets of the first grooves are arranged according to different rules.

[0024] Preferably, the top of the key body has a connecting hole for easy connection of key bodies, and the connecting hole is circular.

[0025] Compared with the prior art, the beneficial effects of this utility model are:

[0026] This invention achieves the advantage of preventing copying through the coordinated arrangement of the adapter mechanism, the connecting mechanism, and the rotating mechanism, avoiding imprinting by external tools such as clay, and effectively improving security and privacy. The irregular and complex adapter mechanism increases the difficulty of copying. At the same time, the connecting mechanism can be adapted to the rotating mechanism and is used for the extension and contraction adjustment of the connecting mechanism and the rotating mechanism. The connector in the rotating mechanism is adjusted to adapt to the customized lock and thus complete the unlocking operation.

[0027] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention can be realized and obtained through the structures pointed out in the description and the accompanying drawings. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of this utility model;

[0029] Figure 2 This is a schematic diagram of the internal structure of the key body of this utility model;

[0030] Figure 3 This is a schematic diagram of the internal structure of the connector of this utility model;

[0031] Figure 4 This is a schematic diagram of the cavity structure of this utility model.

[0032] In the diagram: 1. Key body; 2. Adaptor mechanism; 21. First groove; 22. Second groove; 3. Through hole; 4. Connecting mechanism; 41. Rotating hole; 42. Connecting groove; 43. Cavity; 44. Connecting hole; 5. Rotating mechanism; 51. Rotating rod; 52. Rotating wheel; 53. Screw; 54. Connector; 55. Limiting seat; 56. Internal threaded hole; 57. Groove. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] This utility model provides an anti-copying key structure for a mechanical lock, including a key body 1;

[0035] An adapter mechanism 2 is installed on the outside of the key body 1 to adapt to the lock.

[0036] One end of the key body 1 is provided with a rotating mechanism 5 for extending and adapting to the lock unlocking mechanism and a connecting mechanism 4 adapted to the rotating mechanism 5;

[0037] The connecting mechanism 4 includes:

[0038] A connecting groove 42 is provided at one end of the key body 1 for fitting the lock. The connecting groove 42 is provided with a fitting component for assisting the rotation of the rotating mechanism 5.

[0039] The opening of the connecting slot 42 is mainly used to adapt to customized locks and for the horizontal extension and retraction of the connector 54;

[0040] The rotating mechanism 5 includes;

[0041] A connector 54 is provided inside the connecting groove 42 for fitting a lock. One end of the connector 54 has a groove 57 for inserting the lock. An extension component with threaded extension and a rotating component connected to the extension component for rotational adjustment are installed at one end of the connector 54.

[0042] The connector 54 facilitates subsequent rotation and unlocking operations after the lock is adapted to the groove 57 after extension.

[0043] Preferred;

[0044] like Figure 3 As shown, the extension component includes;

[0045] A limiting seat 55 is fixedly installed at the other end of the connector 54. Both the connector 54 and the limiting seat 55 have internal threaded holes 56 and screws 53 that are threadedly connected to the internal threaded holes 56.

[0046] The extension of the connector 54 can be achieved by the threaded connection between the internal threaded hole 56 and the screw 53, which is driven by the screw.

[0047] further;

[0048] like Figure 3 As shown, the rotating component includes;

[0049] A rotating rod 51 fixedly installed at one end of the screw 53 for transmission and a rotating wheel 52 connected to the rotating rod 51 for driving rotation can be adjusted by rotating when they are adapted.

[0050] The extension assembly can be operated by rotating the rotating wheel 52 and driving the rotating rod 51.

[0051] Going a step further;

[0052] like Figure 4 As shown, the fitting components include;

[0053] A cavity 43 is provided at one end of the connecting groove 42 to limit the connector 54, and a connecting hole 44 is connected to the cavity 43 to adapt to the rotating rod 51.

[0054] The top of the key body 1 has a rotating hole 41 for fitting the rotating wheel 52.

[0055] The cavity 43 can be used to accommodate the unextended connector 54 and to limit the horizontal extension and retraction of the connector 54, while the connection hole 44 facilitates the adaptive rotational connection between the damping shaft and the rotating rod 51.

[0056] It is worth explaining;

[0057] like Figure 4 As shown, the adapter 2 includes;

[0058] A first groove 21 is provided on the top and bottom of the key body 1 to adapt to the lock, and a second groove 22 is provided on the top and bottom of the outer side of the key body 1 to prevent duplication, so as to facilitate the adaptation to the customized lock and thus realize the unlocking operation.

[0059] in;

[0060] like Figure 4 As shown, the two sets of first grooves 21 are symmetrically opened from top to bottom. The two sets of first grooves 21 are opened with different rules. The regular shapes are relatively complex and the curvatures are different. Therefore, when making a rubbing, it is necessary to make rubbings from both the front and back sides in turn. Even if the rubbing is made, its complex curvature makes it difficult to replicate.

[0061] at last;

[0062] like Figure 1 As shown, the top of the key body 1 has a connecting hole 3 for easy connection of the key body 1. The connecting hole 3 is circular, which makes it easy to carry the key body 1 with a key chain.

[0063] When unlocking, first insert the key into the corresponding keyhole, then rotate the wheel 52, which is driven by the rotating rod 51 to rotate the screw 53 fixedly connected to it. Then, according to the threaded connection of the connector 54 with the internal threaded hole 56, it will move horizontally inside the cavity 43 in the threaded connection state with the limit seat 55. The limit seat 55 can also limit the horizontal movement inside the cavity 43. The continuous extension of the limit seat 55 will press against the inside of the keyhole and adapt to the internal connector through the connecting groove 42. Finally, by pressing the key body 1 and the wheel 52 with the finger, the key body 1 is rotated to complete the unlocking operation. Before unlocking, the connector 54 is in the unextended state. If an outsider directly makes a rubbing without knowing, it will not be able to adapt to the corresponding lock and will not be able to open it. Therefore, it is difficult to copy and use.

[0064] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A key structure for preventing duplication in mechanical locks, characterized in that, Includes the key body (1); An adapter mechanism (2) is provided on the outside of the key body (1) for adapting to the lock; One end of the key body (1) is provided with a rotating mechanism (5) for extending and adapting to the unlocking of the lock and a connecting mechanism (4) adapted to the rotating mechanism (5); The connecting mechanism (4) includes: A connecting groove (42) is provided at one end of the key body (1) for fitting the lock. The connecting groove (42) is provided with a fitting component for assisting the rotation of the rotating mechanism (5). The rotating mechanism (5) includes: A connector (54) for fitting a lock is provided inside the connecting groove (42). One end of the connector (54) has a groove (57) for inserting the lock. An extension component with threaded retraction and a rotating component connected to the extension component for rotational adjustment are installed at one end of the connector (54).

2. The anti-copying key structure for a mechanical lock according to claim 1, characterized in that: The extension component includes; A limiting seat (55) is fixedly installed at the other end of the connector (54). Both the connector (54) and the limiting seat (55) have an internal threaded hole (56) and a screw (53) threadedly connected to the internal threaded hole (56).

3. The anti-copying key structure for a mechanical lock according to claim 2, characterized in that: The rotating component includes; A rotating rod (51) fixedly installed at one end of the screw (53) for transmission and a rotating wheel (52) connected to the rotating rod (51) for driving rotation can be adjusted by rotating when they are adapted.

4. The anti-copying key structure for a mechanical lock according to claim 1, characterized in that: The fitting components include; A cavity (43) is provided at one end of the connecting groove (42) to limit the connector (54) and a connecting hole (44) is provided in the cavity (43) to adapt to the rotating rod (51); The top of the key body (1) is provided with a rotating hole (41) for fitting the rotating wheel (52).

5. The anti-copying key structure for a mechanical lock according to claim 1, characterized in that: The adapter (2) includes; A first groove (21) is provided on the top and bottom of the key body (1) for fitting the lock, and a second groove (22) is provided on the top and bottom of the outer side of the key body (1) for preventing duplication.

6. The anti-copying key structure for a mechanical lock according to claim 5, characterized in that: The two sets of first grooves (21) are symmetrically arranged vertically, and the two sets of first grooves (21) are arranged according to different rules.

7. The anti-copying key structure for a mechanical lock according to claim 1, characterized in that: The top of the key body (1) is provided with a connecting hole (3) for easy connection of the key bodies (1), and the connecting hole (3) is circular.

Images