CN2725446Y - Two segment type safety lock core structure - Google Patents

Abstract

The utility model relates to a two segment type safety lock core structure, belonging to the enginery. The utility model mainly contains a first lock core and a second lock core which are respectively provided with a fixing hole; the two fixing holes are used for fixing a lock body, and the two lock cores are respectively provided with a slot which is used for the insertion of an upper ball, a lower ball, a spring and a cap liner. When the first lock core is prized improperly with any unlocking tools, the idle rotation is formed naturally to the first lock core to provent the second lock core from being prized afterward. The utility model has the advantage of simple structure; due to the combination of the two-stage lock cores, the opportunity that the lock is prized by any unlocking tools is prevented to achieve the optimal anti-theft function.

Description

Two-part safety lock core structure

Technical field

The utility model relates to mechanical, and particularly a kind of two-part safety lock core structure refers to the combination of a kind of two-part core especially, prevents that with formation any unlocking tool from arbitrarily prying open, and reaches the lock core structure of anti-theft effect.

Background technology

As everyone knows, be generally used in the lockset of door and window or cupboard, normally in lock body, be provided with core, in the core inserting spring, elements such as upper and lower pearl, engaging by upper and lower pearl constitutes the locking effect, and when key inserts upper and lower pearl is held the lockset unlatching, the lockset that this kind is commonly used is owing to utilize unlocking tool it can be pried open, therefore, give the robber suitable chance, the robber uses special instrument upper and lower pearl can be held to make lockset to open, so, traditional lockset can't effectively reach antitheft purpose, is badly in need of being improved.

The utility model content

According to the purpose of this utility model, shortcoming at lockset existence commonly used at present, a kind of two-part safety lock core structure is provided, it comprises first and second core, in this first, second core is respectively equipped with, following pearl spring, cap liner, and establish respectively with fixing hole in two cores, after making two cores be installed in lock body respectively, fixed in fixing hole with spring and pearl build-in, constitute the lockset of two-part core, after wherein first core is pried open by unlocking tool, form idle running naturally, preventing that this second core from being continued to pry open, and then reach best antitheft effect; This first, second core can be for the lock body that is installed in different types, to be applicable to various doors, window, cupboard or other objects.

Advantage of the present utility model is: simple in structure, and by the combination of the two-phase lock heart, with the chance that prevents to be pried open, to reach best antitheft effect by any unlocking tool.

Description of drawings:

Fig. 1 is a schematic perspective view of the present utility model;

Fig. 2 separates schematic diagram for solid of the present utility model;

Fig. 3 is the schematic perspective view of another embodiment of the utility model;

Fig. 4 is the perspective exploded view of another embodiment of the utility model;

Fig. 5 is the schematic perspective view of the another embodiment of the utility model;

Fig. 6 is the perspective exploded view of the another embodiment of the utility model.

The specific embodiment:

Shown in accompanying drawing 1 and accompanying drawing 2, the utility model mainly comprises first core 1 and second core 12, in wherein first, second core 1,2 are respectively equipped with slotted eye 11,21, for inserting pearl 2, following pearl 22 and spring 13,23, this is first years old, second core 1,2 groove 11, a side of 21 has fixing hole 14 respectively, 24, make core 1,2 after inserting cap liner 15, insert in the lock body 3, be embedded in fixing hole 14 with pearl 31 and spring 32,24 is fixing, and it is fixing with nut 16 and cauda 17, constituting the two-part lockset, when the key 4 of the utility model collocation when opening, rotated two cores 1 simultaneously, 2, and when prying open first core 1 with unlocking tool improperly, then make it form idle running naturally, to prevent that second core 2 from being continued to pry open, to reach best anti-theft effect.

Shown in accompanying drawing 3 and accompanying drawing 4, the utility model can be applicable to the lockset of different types, same first, second core 1,2 that is provided with, insert pearl 12, following pearl 22 and spring 13,23 in the slotted eye 11,21 of core 1,2, and be respectively equipped with fixing hole 14,24 in slotted eye 11,21 1 sides, after making core 1,2 place lock body 5, fix, constitute the lockset of two-part core with cap liner 51, anti-drilling sheet 52 and cauda 53, screw 54.

Shown in accompanying drawing 5 and accompanying drawing 6, the utility model can be applicable to the kidney lockset, and in when assembling, it is fixing with lock body 6 to put in order group core 1,2 with bundle sheet 61,62, cauda head 63, and the kidney that can constitute a two-part core is equally locked.

Claims (1)

1, a kind of two-part safety lock core structure, it is characterized in that: mainly comprise first and second core, establish respectively with fixing hole in this two core, for being fixed in lock body and establishing respectively with slotted eye in two cores, for inserting pearl, following pearl and spring, cap liner, when any unlocking tool is improper when prying open first core, it forms idle running naturally, to prevent that second core from being continued to pry open.

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