CN219471779U - Lock core combined mechanism with anti-theft function - Google Patents

Abstract

The utility model discloses a lock core combination mechanism with an anti-theft function, which comprises a lock core assembly and a key matched with the lock core assembly, wherein the lock core assembly comprises a lock core shaft sleeve and a lock core block inserted in the lock core shaft sleeve in a rotating fit manner, a key slot is arranged in the lock core block, telescopic coded balls are arranged on the inner wall of the slot, coded slots matched with the coded balls are arranged on the upper end face and the lower end face of the key, a through slot penetrating through the lock core block is arranged on the inner side wall of the key slot, auxiliary balls in sliding fit are arranged in the through slot, a positioning slot intersecting with the key slot is arranged on the bottom wall of the key slot, a positioning pin is arranged in the positioning slot, an opening slot matched with the positioning pin is arranged on the top end face of the insertion end of the key, and clamping slots for clamping the auxiliary balls are arranged on the upper end face and the lower end face of the key. The utility model increases the difficulty of key duplication, increases the matching difficulty of matching the key and the lock core assembly, is beneficial to enhancing the anti-theft performance of the lockset, and ensures that the lockset has better use quality.

Description

Lock core combined mechanism with anti-theft function

Technical Field

The utility model relates to the technical field of locks, in particular to a lock cylinder combination mechanism with an anti-theft function.

Background

The lock core opening and closing mechanism in the lockset comprises a lock core module and a matched key, wherein a password groove is designed on the plug-in surfaces at two sides of the key, and when the key is inserted into the lock core, the lock core can be opened after the password groove is matched with a marble in the lock core for positioning. The lock core is opened and closed in a matching mode, the defect that a coded slot on a key is easy to copy and low in anti-theft performance exists, the safety performance of the lock is greatly reduced, and the use quality of the lock is affected. Based on the problem, the lock cylinder combination mechanism provided by the utility model has the advantages that the key copying difficulty is increased, and the anti-theft performance is higher.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a lock cylinder combined mechanism with high safety performance and strong anti-theft performance.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lock core integrated configuration with theftproof function, includes lock core subassembly and with lock core subassembly assorted key, lock core subassembly includes lock core axle sleeve and inserts and locate lock core axle sleeve internal rotation complex lock core piece, be equipped with the key slot in the lock core piece, be equipped with flexible cipher ball on the inner wall of slot, the key up and down terminal surface all has the cipher groove that matches with the cipher ball, be equipped with the logical groove that runs through the lock core piece on the inside wall of key slot, be equipped with sliding fit's supplementary ball in logical inslot, be equipped with on the diapire of key slot with the crossing constant head tank of key slot, be equipped with the locating pin in the constant head tank, be equipped with the open slot with the locating pin adaptation at the top face of the inserted end of key, all be equipped with the draw-in groove that supplies supplementary ball card to establish on the up and down terminal surface of key.

The utility model is further provided with: the open slot is located at the tail end of the key and symmetrically arranged, and the clamping slot is located at the central axis of the upper end face and the lower end face of the key and is close to the open slot.

The utility model is further provided with: the cross section of the clamping groove is gradually reduced from the opening end to the bottom, and an inclined guide slope is formed on the side wall of the clamping groove.

The utility model is further provided with: the upper and lower ends of the auxiliary marble are provided with conical insertion blocks.

By adopting the technical scheme, the lock core assembly is additionally provided with the locating pin and the auxiliary marble, and the unlocking key not only needs to meet the suitability with the coded marble, but also needs to meet the suitability with the locating pin and the auxiliary marble, so that the difficulty in unlocking the lock and the difficulty in copying the key are increased, and the anti-theft performance of the whole lock is improved.

Drawings

FIG. 1 is a schematic view of a part of the structure of the present utility model;

FIG. 2 is a transverse partial cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a partial structure of a lock cylinder block;

FIG. 4 is a longitudinal partial cross-sectional view of the present utility model;

FIG. 5 is an enlarged view of a portion of a key;

FIG. 6 is a schematic diagram of the structure of the present utility model.

1. A lock cylinder assembly; 10. a lock cylinder shaft sleeve; 11. a lock core block; 110. a key slot; 111. a through groove; 112. a positioning groove; 2. a key; 20. an open slot; 21. a clamping groove; 3. auxiliary marbles; 30. inserting blocks; 4. and positioning pins.

Detailed Description

Embodiments of the present utility model will be further described with reference to fig. 1 to 6. The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure for the purpose of understanding and reading by those skilled in the art, and are not intended to limit the scope of the utility model, so that any structural modifications, proportional changes, or dimensional adjustments should not be construed as essential to the technology, but should still fall within the scope of the present disclosure without affecting the efficacy or achievement of the present utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

The utility model provides a lock core combined mechanism with theftproof function, includes lock core subassembly 1 and with lock core subassembly 1 assorted key 2, lock core subassembly 1 includes lock core axle sleeve 10 and inserts locates lock core piece 11 of lock core axle sleeve 10 internal rotation complex, be equipped with key 2 slot 110 in the lock core piece 11, be equipped with flexible cipher ball on the inner wall of slot, key 2 up and down terminal surface all has the cipher groove with cipher ball assorted, be equipped with the logical groove 111 that runs through lock core piece 11 on the inside wall of key 2 slot 110, be equipped with sliding fit's auxiliary marble 3 in logical groove 111, be equipped with on the diapire of key 2 slot 110 with the crossing constant head tank 112 of key 2 slot 110, be equipped with locating pin 4 in the constant head tank 112, be equipped with the open slot 20 with locating pin 4 adaptation on the top face of the inserted end of key 2, all be equipped with on the up and down terminal surface of key 2 and supply auxiliary marble 3 card to establish draw-in groove 21. The open slot 20 is symmetrically arranged at the tail end of the key 2, and the clamping slot 21 is positioned at the central axis of the upper end face and the lower end face of the key 2 and is close to the open slot 20. The cross section of the clamping groove 21 is gradually reduced from the opening end to the bottom, and an inclined guide slope is formed on the side wall of the clamping groove 21. The upper and lower ends of the auxiliary marble 3 are provided with conical inserts 30.

This lock core mechanism can be used to in the split type tool to lock, also can use in the tool to lock of integral type, when unblanking, in key 2 slot 110 is inserted to key 2 of matching, the password bullet falls into the password inslot of key 2 terminal surface, supplementary pellet shot from a slingshot 3 falls into in draw-in groove 21, the direction slope on the draw-in groove 21 inner wall has increased the accuracy that supplementary pellet shot from a slingshot 3 falls into, open slot 20 then the lock on locating pin 4, at this moment through rotatory key 2, just can realize driving lock core piece 11 rotation, thereby reach the effect that the lock core normally opened. If the inserted key 2 is not provided with the structures of the open slot 20 and the clamping slot 21 or the positions of the open slot 20 and the clamping slot 21 are not accurate, the lock cylinder block 11 cannot be driven to rotate, so that the difficulty of copying the key 2 is increased, the matching degree requirement of the key 2 and the lock cylinder block 11 is increased, and the lock has the effect of improving the safety performance of the lock. The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (4)

1. The utility model provides a lock core integrated configuration with theftproof function, includes lock core subassembly and with lock core subassembly assorted key, lock core subassembly includes lock core axle sleeve and inserts and locate lock core axle sleeve internal rotation complex lock core piece, be equipped with the key slot in the lock core piece, be equipped with flexible cipher ball on the inner wall of slot, the terminal surface all has the cipher groove that matches with the cipher ball about the key, its characterized in that: the key is characterized in that a through groove penetrating through the lock core block is formed in the inner side wall of the key slot, auxiliary marble matched with the through groove is arranged in the through groove, a positioning groove intersecting with the key slot is formed in the bottom wall of the key slot, a positioning pin is arranged in the positioning groove, an opening groove matched with the positioning pin is formed in the top end face of the insertion end of the key, and clamping grooves for the auxiliary marble to clamp are formed in the upper end face and the lower end face of the key.

2. The lock cylinder combination with anti-theft function according to claim 1, wherein: the open slot is located at the tail end of the key and symmetrically arranged, and the clamping slot is located at the central axis of the upper end face and the lower end face of the key and is close to the open slot.

3. The lock cylinder combination mechanism with the antitheft function according to claim 2, characterized in that: the cross section of the clamping groove is gradually reduced from the opening end to the bottom, and an inclined guide slope is formed on the side wall of the clamping groove.

4. The lock cylinder combination with anti-theft function according to claim 1, wherein: the upper and lower ends of the auxiliary marble are provided with conical insertion blocks.