CN201059100Y

CN201059100Y - Tapered end preventing technical theft opening

Info

Publication number: CN201059100Y
Application number: CNU2007201543725U
Authority: CN
Inventors: 胡政花
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-05-21
Filing date: 2007-05-21
Publication date: 2008-05-14
Anticipated expiration: 2017-05-21

Abstract

A cylinder preventing technical unlocking comprises a cylinder body and a lock core which is rotatablely nested in the cylinder body, wherein, the lock core is provided with a key hole; matching surfaces of the cylinder body and the lock core are correspondingly provided with a plurality of pin holes which are arranged in a line; an upper pin is slidably arranged in each pin hole on the cylinder body; springs are arranged between the upper pins and the bottom walls of the pin holes; the pin holes on the lock core are communicated with the key hole, and a lower pin is slidably arranged in each pin hole; the upper pins and the lower pins are both in cylindrical shapes and supported with each other; one lower pin close to the center of the lock core has larger diameter and length than other lower pins. The cylinder preventing technical unlocking not only has strong capability of preventing technical unlocking, but also has nice appearance.

Description

A kind of tapered end of anti-technical pirate of the open

Technical field:

The utility model relates to a kind of lock, particularly a kind of tapered end of anti-technical pirate of the open.

Background technology:

Mechanical cylinder lock of the prior art, its tapered end includes tapered end, is placed in the lock core of tapered end in rotating, this lock core is provided with keyhole, tapered end is some pellets shot from a slingshot hole that yi word pattern is arranged with lock core all corresponding having on its fitting face, in each pellet shot from a slingshot hole on the tapered end pellet shot from a slingshot on is installed slidably all, be provided with spring between last pellet shot from a slingshot and the pellet shot from a slingshot hole diapire, pellet shot from a slingshot hole on the lock core communicates with keyhole, pellet shot from a slingshot once all slidably is installed in each pellet shot from a slingshot hole, and last pellet shot from a slingshot, following pellet shot from a slingshot are replaced mutually.During locking, last pellet shot from a slingshot is replaced following pellet shot from a slingshot and is matched with the pellet shot from a slingshot hole on the lock core under the tension force effect of spring; When unblanking, original key is inserted lock core, the tooth (hole) of the different depths of surfaces of keys matches with its corresponding pellet shot from a slingshot down with predefined, following pellet shot from a slingshot is being replaced pellet shot from a slingshot under the extruding of key, last pellet shot from a slingshot promptly be forced to compress spring and break away from lock core on the cooperating of pellet shot from a slingshot hole, at this moment, lockset is unlocked.This lock structure is reasonable, and failure rate is little, and is durable in use, but the ability of its anti-technical pirate of the open, general robber is easy to just can open it.

The technical unlocking tapered end is promptly used non-key-shaped tool, and certain in addition skill is opened tapered end.Its concrete operation method is: insert a kind of instrument and a kind of group of instrument that opens pellet shot from a slingshot that lock core is rotated in the keyhole simultaneously, earlier with certain strength rotary locking cylinder, make on tapered end and the lock core and be subjected to displacement mutually between the corresponding pellet shot from a slingshot hole that has, the pellet shot from a slingshot channel diameter diminishes, and block the last pellet shot from a slingshot that matches with the pellet shot from a slingshot hole on the lock core because of locking, subsequently, Cao's spring direction is dialled and is opened down pellet shot from a slingshot, following pellet shot from a slingshot pushes the last pellet shot from a slingshot of replacing with it simultaneously, force pellet shot from a slingshot compression spring and break away from lock core on the cooperating of pellet shot from a slingshot hole, because of last pellet shot from a slingshot is stuck, the frictional force in itself and pellet shot from a slingshot hole is very big, so will be slightly with some strength when pushing, simultaneously, also just because of to go up pellet shot from a slingshot very big with the frictional force in pellet shot from a slingshot hole, opened by dialling and with after pellet shot from a slingshot hole disengaging on the lock core cooperates at it, the tension force of spring can't make it reset to pellet shot from a slingshot hole on the lock core to cooperate again, at this moment, this group pellet shot from a slingshot is dialled and is opened success, with time method one by one all pellets shot from a slingshot are all dialled open after, this tapered end is opened.

The utility model content:

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of tapered end of anti-technical pirate of the open is provided, and its ability of not only preventing technical pirate of the open is strong, and good looking appearance.

The tapered end of a kind of anti-technical pirate of the open that provides according to the utility model, comprise tapered end, be placed in the lock core of tapered end in rotating, this lock core is provided with keyhole, tapered end is some pellets shot from a slingshot hole that yi word pattern is arranged with lock core all corresponding having on its fitting face, in each pellet shot from a slingshot hole on the tapered end pellet shot from a slingshot on is installed slidably all, be provided with spring between last pellet shot from a slingshot and the pellet shot from a slingshot hole diapire, pellet shot from a slingshot hole on the lock core communicates with keyhole, and pellet shot from a slingshot once is installed slidably all in each pellet shot from a slingshot hole, last pellet shot from a slingshot, following pellet shot from a slingshot is cylindrical and replaces mutually, leans on its diameter of following pellet shot from a slingshot of mid portion on the lock core, length is all greater than pellet shot from a slingshot under other.

A kind of tapered end of preventing technical pirate of the open according to the utility model provides also has following attached technical characterictic:

The cross section integral body of described keyhole is " mountain " font, and it comprises a horizontally disposed strip groove, and these strip groove two ends are equipped with a gathering sill, the centre is provided with a safety groove, and the pellet shot from a slingshot hole on the described lock core communicates with described safety groove.

According to a kind of tapered end of preventing technical pirate of the open that the utility model provides, the advantage of prior art is relatively:

The first, in this structure, on the lock core by its diameter of following pellet shot from a slingshot of mid portion, length all greater than other pellets shot from a slingshot down, can effectively hinder at lockset during by technical pirate of the open, the robber dials from the front and opens pellet shot from a slingshot, has strengthened the anti-technical pirate of the open ability of this lockset.

The second, in this structure, the cross section integral body of keyhole is " mountain " font, can effectively hinder at lockset during by technical pirate of the open, the robber dials from the side and opens pellet shot from a slingshot, has further strengthened the anti-technical pirate of the open ability of this lockset, simultaneously, the keyhole of " mountain " font is succinctly attractive in appearance.

Description of drawings:

Introduce the utility model in detail below in conjunction with the drawings and specific embodiments.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the structural representation of the left apparent direction of Fig. 1.

The specific embodiment:

With reference to Fig. 1, Fig. 2, the tapered end of a kind of anti-technical pirate of the open that provides according to the utility model, comprise tapered end 1, be placed in the lock core 2 of tapered end 1 in rotating, this lock core 2 is provided with keyhole 3, tapered end 1 is some pellets shot from a slingshot hole 5 that yi word pattern is arranged with lock core 2 all corresponding having on its fitting face, in each pellet shot from a slingshot hole 5 on the tapered end 1 pellet shot from a slingshot 51 on is installed slidably all, be provided with spring 53 between last pellet shot from a slingshot 51 and pellet shot from a slingshot hole 5 diapires, pellet shot from a slingshot hole 51 on the lock core 2 communicates with keyhole 3, and pellet shot from a slingshot 52 once is installed slidably all in each pellet shot from a slingshot hole 51, last pellet shot from a slingshot 51, following pellet shot from a slingshot 52 is cylindrical and replaces mutually, lean on following pellet shot from a slingshot 52 its diameters of mid portion on the lock core 2, length is all greater than pellet shot from a slingshot 52 under other, this time pellet shot from a slingshot 52 can effectively hinder at lockset during by technical pirate of the open, the robber dials from the front and opens pellet shot from a slingshot, strengthened the anti-technical pirate of the open ability of this lockset, principle according to the skilled unlocking described in the background technology, theft is behind rotary locking cylinder 2, dial from the front and to open pellet shot from a slingshot there will be two kinds of situations: first kind, dial earlier and open this time pellet shot from a slingshot 52, dial again and open other pellets shot from a slingshot 52 down, because this time pellet shot from a slingshot 52 height are greater than pellet shot from a slingshot 52 under other, can hinder theft and dial pellet shot from a slingshot 52 under other that open this time pellet shot from a slingshot 52 back, lockset can't be opened; Second kind, dial earlier and open other pellets shot from a slingshot 52 down, dial again and open this time pellet shot from a slingshot 52, because the diameter of this time pellet shot from a slingshot 52 is greater than pellet shot from a slingshot 52 under other, dial by force open this time pellet shot from a slingshot 52 after, can push and eliminate the displacement that takes place mutually between the corresponding pellet shot from a slingshot hole 5 that has on tapered end 1 and the lock core 2, make other down frictional resistance of pellets shot from a slingshot 52 eliminate, and natural return, lockset is locking once more.

The cross section integral body of keyhole 3 is " mountain " font, it comprises a horizontally disposed strip groove 31, these strip groove 31 two ends are equipped with a gathering sill 32, the centre is provided with a safety groove 33, pellet shot from a slingshot hole 5 on the lock core 2 communicates with safety groove 33, the following pellet shot from a slingshot of installing in the pellet shot from a slingshot hole 5 52 is all led in safety groove 33, in addition, the narrower in width of strip groove 31, it is also narrow to open instrument than commonly used the dialling of theft, like this, can prevent effectively that the theft utilization from dialling the instrument of opening and dialling from keyhole 3 left and right sides levels and open down pellet shot from a slingshot 52.

The foregoing description is only for the usefulness that the utility model is described; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.

Claims

1. the tapered end of an anti-technical pirate of the open, comprise tapered end (1), be placed in the lock core (2) of tapered end (1) in rotating, this lock core (2) is provided with keyhole (3), tapered end (1) is some pellets shot from a slingshot hole (5) that yi word pattern is arranged with lock core (2) all corresponding having on its fitting face, in each pellet shot from a slingshot hole (5) on the tapered end (1) pellet shot from a slingshot on (51) is installed slidably all, be provided with spring (53) between last pellet shot from a slingshot (51) and pellet shot from a slingshot hole (5) diapire, pellet shot from a slingshot hole (51) on the lock core (2) communicates with keyhole (3), and pellet shot from a slingshot (52) once is installed slidably all in each pellet shot from a slingshot hole (51), last pellet shot from a slingshot (51), following pellet shot from a slingshot (52) is cylindrical and replaces mutually, it is characterized in that: lock core (2) is gone up its diameter of a following pellet shot from a slingshot (52) by mid portion, length is all greater than pellet shot from a slingshot (52) under other.

2. the tapered end of a kind of anti-technical pirate of the open as claimed in claim 1, it is characterized in that: the cross section integral body of described keyhole (3) is " mountain " font, it comprises a horizontally disposed strip groove (31), these strip groove (31) two ends are equipped with a gathering sill (32), the centre is provided with a safety groove (33), and the pellet shot from a slingshot hole (5) on the described lock core (2) communicates with described safety groove (33).