CN2595947Y

CN2595947Y - Trick lock

Info

Publication number: CN2595947Y
Application number: CN 02250538
Authority: CN
Inventors: 陈明
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-12-24
Filing date: 2002-12-24
Publication date: 2003-12-31
Anticipated expiration: 2012-12-24

Abstract

The utility model relates to a cipher lock. A cylinder lock is arranged on a lock shell, and a latch bolt of a lock liner core is inserted into a hole of a cam. A frame-shaped sliding plate is in sliding fit between a lock body and a press cover plate, wherein unlocking ciphers of the frame-shaped sliding plate controlled by a cipher part can be changed without dismounting the lock, and the sliding plate is in contact with the cam under the action of the spring pressure of the sliding plate. The cipher lock only can be unlocked when correct ciphers are inputted and the mechanical cylinder lock is unlocked by a key awarded by an oblige simultaneously, and the ciphers can be changed without dismounting the lock, so that the utility model has the advantages of convenient cipher change and favorable secrecy performance.

Description

Coded lock

[technical field] the utility model belongs to lock, more precisely coded lock.

[background technology] mechanical code lock comprises that lock bolt, lock body and control lock bolt are opened or the password part of locking states, have only by pressing cipher chips input proper password, can open lockset by rotary latch, if the input incorrect cipher, coded lock is in blocking and can not opens.The key-type mechanical puzzle lock good confidentiality, stable performance, appearance looks elegant, its weak point is: in case after non-obligee knew password, the input password also can be opened lockset, need to change password.And existing key-type mechanical puzzle lock can not change password when not dismantling lockset, uses inconvenience.Pin tumbler lock body has and can only use key could open the characteristic of lockset by the people that obligee and obligee authorize, be desirable to provide the key that a kind of obligee of having only invests the symbol right, the coded lock that could open when using key operated mechanical cylinder lock and importing proper password simultaneously, and be not dismantle lockset just can change the coded lock of opening password.

[summary of the invention]

The purpose of this utility model is: the key operated mechanical billiard lock core of the symbol right that a kind of human who has the right to use invests is provided and does not dismantle the coded lock that lockset just can change the common control of password part of opening password.

The technical scheme that adopts is: a kind of coded lock, comprise that lock housing and control lockset are opened or the password part of locking states, as Fig. 1, Fig. 2, lock housing covers to embed the cylinder lock lock gall, the door bolt tongue that stretches out on the lock gall core inserts in the hole of cam, does not dismantle lockset and just can change the shaped as frame sliding panel that the password part of opening password controls and be slidingly matched between lock body and cover clamp between detachable lock body that is fixedly connected and lock housing lid, and contact with cam under the effect of sliding panel spring pressure.

The utility model provides a kind of key operated mechanical cylinder lock of importing the symbol right that proper password simultaneously must the human who has the right to use invests, and the coded lock that could open is not dismantled lockset and just can be changed the unlatching password, changes password and makes things convenient for, and security performance is good.

[description of drawings] Fig. 1 is the utility model coded lock embodiment 1 structural representation.Fig. 2 is that A-A sectional view Fig. 3 of Fig. 1 is the B-B sectional view of Fig. 1.

[embodiment]

The embodiment 1 of the utility model vehicle cryptographic lock: a kind of coded lock, comprise that lock housing and control lockset are opened or the password part of locking states, as Fig. 1, Fig. 2, lock housing lid (1) is gone up to embed cylinder lock lock gall (3), the door bolt tongue (12) that stretches out on the lock gall core (11) inserts in the hole of cam (13), between the detachable lock body that is fixedly connected (18) and lock housing lid (1), do not dismantle lockset and just can change the shaped as frame sliding panel (15) that the password part of opening password controls and between lock body and cover clamp (4), be slidingly matched, and under sliding panel spring (21) pressure effect, contact with cam (13).

Embodiment 2: as Fig. 2, Fig. 3, lock body (18) have two row to hold the hole (14) of channel post (5); Hole less than the diameter in hole is arranged at the bottom of the hole, and the hole at the bottom of the hole is passed in escape post (16) lower end, be shelved at the bottom of the hole greater than the escape post upper end of the diameter in hole on; The channel post upper end has notch groove (24) under groove (23) and passage on the opposite passage, the semicolumn that the diameter of channel post bottom is little than top (25) to pass in the semicircle orifice (26) of spring (17) insertion escape post; Upward holding tank (9) is arranged with the detachable cover clamp that is fixedly connected of lock body (4) corresponding to each hole that holds channel post, key sheet (7) is arranged in holding tank, with a reseting plate (8), insert in the hole of channel post upper end key sheet lower end, contact with key flat spring (6) on the upper surface of key sheet, key sheet lid (2) interior side contacts in the key flat spring other end and lock housing lid (1) hole, key sheet (7) one sides have the barb (22) that stretches out, key sheet lid is pressed following time, the compression of key sheet barb can be in the next behind the involution shell fragment (20) of involution core (19) side of sliding on the lock body, key sheet barb upper surface contacts with the gib head soffit of involution shell fragment, has fixed the relative position of channel post and sliding panel.Other are with embodiment 1.

Operating principle of the present utility model is: in holding tank the key sheet is inserted channel post, the spring of channel post below supports that channel post is in the lower channel groove position concordant with slide, rotating the escape post makes the lower channel groove notch of channel post outside, as right hand side keys sheet among Fig. 3, inside double wedge on the slide can be by the lower channel groove back and forth movement of channel post, at this moment, this state is the opening state of non-cryptographic key position; Make the lower channel groove notch of channel post inside if rotate the escape post, as Fig. 3 left side keys sheet, this moment, this key position was the cryptographic key position, and channel post is in upper channel groove and the not concordant position of slide, slide can not pass through channel post, and this state is the non-opening state in cryptographic key position.Press down the button lid of cryptographic key position, the key flat spring pushes down the key sheet and the downward pressure channel post of channel post spring is hooked by the involution shell fragment up to the barb of key sheet, the upper channel groove of channel post is concordant with slide, slide can pass through channel post upper channel groove, be in the cryptographic key opening state, when not dismantling coded lock, only rotate the setting that the escape post just can be finished new password.By pressing the key sheet lid input proper password of password position, last breach on the password bit port post and the following breach on the non-password bit port post are alignd with sliding panel, this moment, sliding panel can be done the advance and retreat slip by the breach of whole channel post, removed restriction to the cam rotation, the key (10) of cylinder lock is inserted in rotation, the door bolt lingual ribbon moving cam that passes cam on the lock core rotates, and the door bolt tongue of rotation is pushed lock bolt aside, opens lockset.Press wrong button, will cause two channel slots on the channel post not concordant with slide, slide can not slide, and can not remove the restriction to the cam rotation, even the key of opening cylinder lock is arranged, can not open lockset.

Claims

1, a kind of coded lock, comprise that lock housing and control lockset are opened or the password part of locking states, it is characterized in that: lock housing lid (1) is gone up to embed cylinder lock lock gall (3), the door bolt tongue (12) that stretches out on the lock gall core (11) inserts in the hole of cam (13), between the detachable lock body that is fixedly connected (18) and lock housing lid (1), do not dismantle lockset and just can change the shaped as frame sliding panel (15) that the password part of opening password controls and between lock body and cover clamp (4), be slidingly matched, and under sliding panel spring (21) pressure effect, contact with cam (13).

2, coded lock according to claim 1 is characterized in that: lock body (18) has two row to hold the hole (14) of channel post (5); Hole less than the diameter in hole is arranged at the bottom of the hole, and the hole at the bottom of the hole is passed in escape post (16) lower end, be shelved at the bottom of the hole greater than the escape post upper end of the diameter in hole on; The channel post upper end has notch groove (24) under groove (23) and passage on the opposite passage, the semicolumn that the diameter of channel post bottom is little than top (25) to pass in the semicircle orifice of spring (17) insertion escape post; Upward holding tank (9) is arranged with the detachable cover clamp that is fixedly connected of lock body (4) corresponding to each hole that holds channel post, key sheet (7) is arranged in holding tank, with a reseting plate (8), insert in the hole of channel post upper end key sheet lower end, contact with key flat spring (6) on the upper surface of key sheet, key sheet lid (2) interior side contacts in the key flat spring other end and lock housing lid (1) hole, key sheet (7) one sides have the barb (22) that stretches out, the key sheet barb compression that is depressed can be in the next behind the involution shell fragment (20) of involution core (19) side of sliding on the lock body, key sheet barb upper surface contacts with the gib head soffit of involution shell fragment, has fixed the relative position of channel post and sliding panel.