CN201705057U

CN201705057U - Theft-proof lock core

Info

Publication number: CN201705057U
Application number: CN2010202175436U
Authority: CN
Inventors: 林卫中; 刘申川
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-02
Filing date: 2010-06-02
Publication date: 2011-01-12
Anticipated expiration: 2020-06-02

Abstract

The utility model provides a theft-proof lock core with knock fracture proofness and better theft-proof effect, comprising a lock core body, a lock core pole rotatably arranged in the lock core body in sliding fit along the axial direction and a cam interlocked with the lock core pole, characterized in that: a cam groove is opened at the position near to the lock core outer port and an end towards the inner port on the cam is interlocked with the lock core pole and a key groove adapted with a key groove on the lock core pole is axially opened on the cam. In the embodiment, the cam groove is near to the lock core outer port, the lock core pole is fixed on the port of the cam near to the back port of the lock core hole, thus the length of the lock core body is greatly shortened. When the lock core body is fixed on the lock body, no structure projects outside the lock core body, thus the lawbreaker can not find the effort center to knock the lock core body and the lock core body breaks down from the screw position. The embodiment protects the theft-proof lock core to the hilt.

Description

A kind of anti-theft lock

Technical field

The utility model relates to a kind of lockset, especially a kind of antitheft lock core.

Background technology

Traditional plug-in lock core is fixed on the lock body by being threaded, as shown in Figure 1, include lock core body 1, lock core column 2 and cam 3, lock core body 1 axially is provided with the lock core hole that passes for lock core column 2, end face towards outer side of door on the lock core hole is the external port position, the other end is the inner port position, the cross section of lock core body 1 is that an annulus combines with the bight of approximate covering of the fan, formation has the vertical axisymmetric member of axial pipeline and cross section, lock core body 1 about middle section position radially offers cam path, cam path is divided into two sections with pipeline, the length of cam path is greater than pipe diameter, but width less than lock core body 1, cam 3 is placed in one rotationally, shifting block interlock on cam 3 and the exterior latch, all be provided with lock core column 2 in the pipeline of both sides rotationally vertically movingly rotationally, each lock core column 2 pastes an end mutually with cam 3 and all constitutes interlock with cam 3, offer key in the lock core column 2 vertically, key in the lock core column 2 is horizontally disposed with, lock core column 2 and lock core body 1 upper edge axis all are arranged with some corresponding pellets shot from a slingshot hole, pellet shot from a slingshot hole in the lock core column 2 is communicated with key, and being provided with pellet shot from a slingshot in the pellet shot from a slingshot hole is that spring constitutes the pellet shot from a slingshot row.But traditional plug-in lock core exists a defective, because the standardization on producing now, be positioned at same radial position with cam path on the lock core body 1 and offer screw, this screw is to play fixed lock core in order to install, and screw is positioned at groove herein, so make that the lock core weaker overall is easily broken.When lock core body 1 is installed on the lock body, often lock core body 1 both ends will protrude from the lock body outside, the lawless person then can make lock core disconnect from screw by prying open the outer rear flank recruitment tool hammering lock core end of lockset, opens security door after stirring cam 3 by instrument then.Again since traditional plug-in lock core because of easy to use, it is few to make simple expense, and be used many years, coverage is very wide, be the highest lock core of the most frequently used generalization degree difference on the present security door on the market,, cause some lawless persons ordered about by economic interests because there is above-mentioned critical defect in it, adopt aforesaid way to destroy lock core and to open the case of security door a lot, thereby cause a large amount of individuals and the property loss of enterprise.

Summary of the invention

In order to overcome the deficiencies in the prior art, the utility model provide a kind of have anti-ly knock fracture, and the better anti-theft lock of anti-theft effect.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of anti-theft lock, include lock core body, be arranged on the lock core column in the lock core body vertically movingly rotationally, and with the cam of lock core column interlock, lock core body axially is provided with the lock core hole that passes for lock core column, end face towards outer side of door on the lock core hole is the external port position, the other end is the inner port position, offer the cam path of installing for cam on the lock core body, cam path runs through lock core hole, be positioned at same radial position with cam path on the lock core body and offer screw, offer key radially in the lock core column vertically, it is characterized in that: described cam path is opened in the position near external port on the lock core hole, on the cam towards the end of inner port and lock core column's interlock, offer vertically on the cam with lock core column on the suitable key of key.

Adopt technique scheme, because the close lock core hole external port place of present embodiment convexity race, the end near lock core hole rear port position on the cam is fixed with lock core column, has therefore shortened the length of lock core body greatly.Again since the screw that plays the fixed installation effect be positioned on the lock core body and the same position radially of cam path, so when being fixed in lock core body on the lock body, to there be structure to protrude in outside the lock body on the lock core body, the lawless person will can not find origin of force and knock lock core body thus, thereby lock core body is ruptured from screwhole position.Therefore, present embodiment has been protected this anti-theft lock to greatest extent.

Of the present utility modelly further be set to: the external port place is installed on outer plug on the described lock core hole, outer plug cross section and lock core hole shape are suitable, the end of outer plug and the end of cam are fixed and are linked, offer on the outer plug with cam on the suitable key of key.

Adopt technique scheme, the position that lock core hole is adjacent to external port is fixed and be arranged to outer plug and cam, and then outer plug has played protective effect for lock core hole, makes other people can't stir cam more easily, thereby unblanks.

Of the present utility modelly further be set to: described lock core body both ends are installed on outer gland and internal gland respectively again, external pressure covers and offers the through hole suitable with lock core hole, outer gland and outside lock body are fixed by thread connection, offer on the internal gland and the suitable through hole of lock core body outer shape, internal gland is arranged on the lock core body, and internal gland and outside lock body are fixed by thread connection.

Adopt technique scheme, outer gland and internal gland have not only played effect fixing and that reinforce to the installation of lock core body, and outer gland can also prevent that other people from prying open outer plug easily, and stirs cam with this.

Below in conjunction with accompanying drawing the utility model is further described:

Description of drawings

Fig. 1 is the schematic diagram of traditional plug-in lock core.

Fig. 2 is the sectional view of the utility model embodiment.

Fig. 3 is the schematic diagram of the utility model embodiment lock core body.

Fig. 4 is the schematic diagram of the utility model embodiment internal gland.

Fig. 5 is the schematic diagram of the outer gland of the utility model embodiment.

Fig. 6 is the scheme of installation of the utility model embodiment.

The specific embodiment

Shown in Fig. 2-6, present embodiment includes lock core body 1, be arranged on the lock core column 2 in the lock core body vertically movingly rotationally, and with the cam 3 of lock core column 2 interlock, lock core body 1 axially is provided with the lock core hole 11 that passes for lock core column 2, end face towards outer side of door on the lock core hole 11 is external port 111 positions, the other end is inner port 112 positions, position near external port 111 on the lock core hole 11 on the lock core body 1 offers the cam path of installing for cam 3 13, cam path 13 runs through lock core hole 11, end and lock core column 2 towards inner port 112 on the cam 3 link, be positioned at same radial position with cam path 13 on the lock core body 1 and offer screw 12, offer key radially in the lock core column 2 vertically, offer vertically on the cam 3 with lock core column 2 on the suitable key of key.External port 111 places are installed on outer plug 4 on the lock core hole 11, and outer plug 4 cross sections and lock core hole 11 shapes are suitable, and the end of the end of outer plug 4 and cam 3 is fixed and linked, offer on the outer plug 4 with cam 3 on the suitable key of key.Lock core body 1 both ends are installed on outer gland 6 and internal gland 5 respectively, offer the through hole suitable on the outer gland 6 with lock core hole 11, outer gland 6 and outside lock body 7 are fixed by thread connection, offer on the internal gland 5 and the suitable through hole of lock core body 1 outer shape, internal gland 5 is arranged on the lock core body 1, and internal gland 5 and outside lock body 7 are fixed by thread connection.Wherein, because in the present embodiment, only be equipped with a lock core column 2 in the lock core body 1, and lock core column 2 is near lock core hole 11 inner port positions, and the part of lock core column 2 close external port 111 positions cuts little ice for unblanking, so the key that is used to unblank generally works the special lengthening of end needs of the end of unblanking to act at it, thereby make that working the end of unblanking to act on the key can fully reach in the lock core hole 11 and with lock core column 2 and link.

In the present embodiment, because present embodiment convexity race 13 close lock core hole 11 external port 111 places, the end near lock core hole 11 inner port 112 positions on the cam 3 is fixed with lock core column 2, has therefore shortened the length of lock core body 1 greatly.Again since the screw 12 that plays the fixed installation effect be positioned on the lock core body 1 and cam path 13 same positions radially, so when being fixed in lock core body 1 on the lock body 7, to there be structure to protrude in outside the lock body 7 on the lock core body 1, the lawless person will can not find origin of force and knock lock core body 1 thus, thereby avoid lock core body 1 to rupture from screw 12 positions.Therefore, present embodiment has been protected this anti-theft lock to greatest extent.Outer plug 4 is fixed with cam 3 and is arranged at the position that lock core hole 11 is adjacent to external port 111, and then outer plug 4 has played protective effect for lock core hole 11, makes other people can't stir cam 3 more easily, thereby unblanks.Outer gland 6 and internal gland 5 have not only played effect fixing and that reinforce to the installation of lock core body 1, and outer gland 6 can also prevent that other people from prying open outer plug 4 easily, and stirs cam 3 with this.This use is novel can also other embodiments, and the technical scheme that equal replacement of all employings or equivalent transformation form all drops within the claimed scope of the utility model.

Claims

1. anti-theft lock, include lock core body, be arranged on the lock core column in the lock core body vertically movingly rotationally, and with the cam of lock core column interlock, lock core body axially is provided with the lock core hole that passes for lock core column, end face towards outer side of door on the lock core hole is the external port position, the other end is the inner port position, offer the cam path of installing for cam on the lock core body, cam path runs through lock core hole, be positioned at same radial position with cam path on the lock core body and offer screw, offer key radially in the lock core column vertically, it is characterized in that: described cam path is opened in the position near external port on the lock core hole, on the cam towards the end of inner port and lock core column's interlock, offer vertically on the cam with lock core column on the suitable key of key.

2. a kind of anti-theft lock according to claim 1, it is characterized in that: the external port place is installed on outer plug on the described lock core hole, outer plug cross section and lock core hole shape are suitable, the end of outer plug and the end of cam are fixed and are linked, offer on the outer plug with cam on the suitable key of key.

3. a kind of anti-theft lock according to claim 1, it is characterized in that: described lock core body both ends are installed on outer gland and internal gland respectively, external pressure covers and offers the through hole suitable with lock core hole, outer gland and outside lock body are fixed by thread connection, offer on the internal gland and the suitable through hole of lock core body outer shape, internal gland is arranged on the lock core body, and internal gland and outside lock body are fixed by thread connection.