CN202493096U

CN202493096U - Anti-theft door lock

Info

Publication number: CN202493096U
Application number: CN2012201279846U
Authority: CN
Inventors: 苏顺东
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-03-30
Filing date: 2012-03-30
Publication date: 2012-10-17
Anticipated expiration: 2022-03-30

Abstract

The utility model provides an anti-theft door lock. The anti-theft door lock comprises a lock body, a lock core inside the lock body and a key corresponding to the key hole, wherein the lock core is divided into a primary lock core and a secondary lock core both of which are respectively mounted in a primary lock body and a secondary lock body; the primary lock body and the secondary lock body are die-cast into an integral structure in the middle; the primary lock body is provided with a clamping sheet and a nick where a spring comes in and go out; the primary lock core body is provided with a spring groove and a clamping sheet groove; the clamping sheet groove and the spring groove are respectively and internally provided with five groups of double clamping sheets and five corresponding groups of springs; an internally arranged dialing wheel core and a dialing wheel are connected between the primary lock core and the secondary lock core; and the dialing wheel core is internally provided with a dialing wheel shaft. The anti-theft door lock solves the problems that the conventional locks are low in anti-theft opening performance and the integral lock cores are mostly small lock cores with no resistance. The anti-theft door lock can prevent theft from opening the door more efficiently; on the basis of the technology of double-side five-group binder dents, a conversation function of A and B keys is also added; the key A is discarded as useless as long as the key B is used, so that the anti-theft key is convenient and reliable. Different sections of the lock body are different in size, so that the anti-theft opening difficulty is not only added, but the anti-theft lock can be abutted and interconnected with an integral lock for installation conveniently.

Description

Safe-guard door lock

Technical field

The utility model relates to lock, specifically safe-guard door lock.

Background technology

Lock of the prior art has a variety of, but after people use and understand a lot of locks, finds that lock much all belongs to the lock that has A, B, C key; Use inconvenience, thus be necessary to reduce the C key, with the effect that brings convenience; But reduce the C key; Also will increase card and spring group number and increase A, B technology, make it convenient and reliable, theftproof strengthens greatly.

In view of this, to the problems referred to above, propose a kind of reasonable in design and effectively improve the safe-guard door lock of above-mentioned disappearance.

The utility model content

The purpose of the utility model is to provide safe-guard door lock, and the anti-pirate of the open performance that overcomes existing lock is low, and mostly the entire body lock core is the not problem of drag of little lock core.Can more effective anti-pirate of the open, technical at two-sided five groups of heel teeths increased the translation function of A, B key again, and the B key is once use back A key just to scrap, and is convenient and reliable.Lock body adopts fragment size, and the one, increased anti-pirate of the open difficulty, the 2nd, can conveniently dock interconnection and install with the entire body lock.

In order to reach above-mentioned purpose, the utility model provides safe-guard door lock, comprise the inner lock core of lock body, lock body, with the corresponding key of keyhole; Said lock core is divided into main lock core and auxiliary lock core; Be installed on respectively in main lock body and the auxiliary lock body; Said main lock body and auxiliary lock body are cast into integral structure in the centre; Main lock body is provided with the breach of card and spring turnover, and the main lock core body is provided with spring groove and card slot, and five groups of two cards and corresponding five groups of springs are installed respectively in card slot and the spring groove; Be connected with thumb wheel core and thumb wheel between said main lock core and the auxiliary lock core, the thumb wheel in-core is established the thumb wheel axle, is stuck in the thumb wheel inwall double flute in the middle of the said thumb wheel core, and two ends are stuck in the thumb wheel core draw-in groove and the thumb wheel core draw-in groove on the auxiliary lock core on the main lock core.

Two shell holes of pellet shot from a slingshot and spring are housed in offering on the said lock body, and shell hole collar extension place all establishes seals pellet shot from a slingshot, and the pellet shot from a slingshot in shell hole is that lock core rotates the perception pellet shot from a slingshot therein, is equipped with a little pellet shot from a slingshot in the middle of the pellet shot from a slingshot in another shell hole; The shell hole position that corresponding lock body is offered on the said main lock core also offers shell hole and pellet shot from a slingshot deep trouth, also offers bullet groove in surfaces of keys simultaneously.

Oneself main lock core keyhole and auxiliary lock core keyhole respectively are set in the middle of said main lock core and the auxiliary lock core, and said key is divided into two kinds of A, B; Also be provided with locating hole on the said lock body.

Offer main lock core draw-in groove, auxiliary lock core draw-in groove on said main lock core and the auxiliary lock core respectively, in two draw-in grooves, jump ring is housed.

Said key both sides have five groups of double cogs, and the flank of tooth is provided with double flute.

Compared to prior art, the utility model has increased the drag and the antitheft of lock core and lock body at the main lock core face.On lock core and spring, increased the group number again.Use key, B not to have bullet groove on the key for normally using key owing to be provided with bullet groove for fitting up on the key at A, after the B key used, the A key was scrapped.This lock only uses A, B key just can solve finishing use and the normal problem of using, convenient, reliable, saving.On main lock core, also be provided with lock core and rotate the perceptual positioning pellet shot from a slingshot, can clearly know the position that lock core rotates, the convenient lock of opening.Inner table top and the key location of adopting of major-minor lock core, it is more convenient that key is axially stirred.On main lock core, be provided with pellet shot from a slingshot and hide the hole, the pellet shot from a slingshot that the B key ejects falls into to be hidden in the groove, has so just reduced the C key.

Description of drawings

Fig. 1, Fig. 2 are respectively the axis of no-feathering exploded side view of two different angles of the utility model safe-guard door lock.

Among the figure: 1, main lock core; 2, lock body; 3, auxiliary lock core; 4, spring; 5, card; 6, spring groove; 7, card slot; 8, thumb wheel axle; 9, thumb wheel core; 10, thumb wheel; 11, jump ring; 12, key bit; 13, bullet groove; 14, double flute; 15, shell hole; 16, auxiliary lock core keyhole; 17, the thumb wheel core draw-in groove on the main lock core; 18, thumb wheel inwall double flute; 19, main lock core draw-in groove; 20, auxiliary lock core draw-in groove; 21, positioning screw hole; 22, pellet shot from a slingshot deep trouth; 23, breach; 24, seal pellet shot from a slingshot; 25, spring; 26, lock core rotates the perception pellet shot from a slingshot; 27, seal pellet shot from a slingshot; 28, spring; 29, little pellet shot from a slingshot; 30, pellet shot from a slingshot; 31, shell hole; 32, main lock core keyhole; 33, the thumb wheel core draw-in groove on the auxiliary lock core; 34, shell hole; 35. perceptual positioning groove.

The specific embodiment

Detailed description of relevant the utility model and technology contents, conjunction with figs. are explained as follows, yet accompanying drawing only provides the usefulness of reference with explanation, are not to be used for the utility model is limited.

According to illustrated in figures 1 and 2, spring 4, card 5 are packed in spring groove 6 and the card slot 7, form one group of corresponding mutual button reed; Accomplish five groups of reed assemblings successively, key A inserts in the main lock core 1, and the bilateral tooth of key is interactive concordant with main lock core 1 external diameter five groups of cards with the effect of card inwall and spring; Double flute 14 above the key is that the two platforms along main lock core keyhole 32 insert; The shell hole 15 at main lock core 1 middle part just coincide with A bullet groove 13 on the key, packs pellet shot from a slingshot 30 and submissile 29 in the shell hole 15 into, and the length of pellet shot from a slingshot and pellet shot from a slingshot is just in time identical with the outside diameter wall length of on the key bullet groove B and main lock core 1; The main lock core 1 afterbody endoporus thumb wheel axle 8 of packing into; The corresponding double flute of main lock core 1 afterbody is the thumb wheel core 9 of packing into, then partly pack into the relevant position of lock body 2 of mounted main lock core, after the thumb wheel core of main lock core 1 afterbody and the 18 corresponding connections of the inwall double flute of thumb wheel 10; At main lock core draw-in groove 19 and auxiliary lock core draw-in groove 20 jump ring 11 of respectively packing into, major-minor lock core and thumb wheel partly connect completion.The pellet shot from a slingshot 30 of in the shell hole 34 at entire body position, lock body lower end, packing into is bumped into then with spring 28 and seals pellet shot from a slingshot 27; The lock core of in shell hole 31, packing into rotates perception pellet shot from a slingshot 26, spring 25 and is bumped into and seals pellet shot from a slingshot 24; Lock core rotates perception pellet shot from a slingshot 26 and forms correspondence with perceptual positioning groove 35, like this with regard to installation.

A key front end gives length top thumb wheel axle and the thumb wheel core of putting, and thumb wheel 10 is rotated.Going into 3 li of auxiliary lock cores to the A key; Also be through giving the length that key is set and giving the thumb wheel core mobile space that stays; Drive thumb wheel 10 and rotate, bullet groove on the main lock core is a shallow slot that holds the pellet shot from a slingshot head because lock core inside is not through hole; When key drives the main lock core rotation and under the effect of pellet shot from a slingshot 26 at spring, just perception lock core rotation.

Insert the B key, because B does not have bullet groove on the key, the B key will be passing through pellet shot from a slingshot 30 in the shell hole 34 of submissile 29 jacking lock bodies; After rotating 180 degree, force down just to head into submissile 29 at the bullet of spring 28 and give in the pellet shot from a slingshot deep trouth 22 that stays, submissile 29 is not in action; B key operate as normal, A key are in inserting main lock core 1, and bullet groove 13 is because 15 li length of lacking submissile 29 of corresponding shell hole; Under the pressure of spring 28; Pellet shot from a slingshot 30 has played the control rotary action, and the A key is scrapped, and is converted to B by A.

The above is merely the preferred embodiment of the utility model, and non-in order to limit the claim of the utility model, the equivalence of the patent spirit of other utilization the utility model changes, and all should all belong to the claim of the utility model.

Claims

1. safe-guard door lock, comprise the inner lock core of lock body, lock body, with the corresponding key of keyhole; It is characterized in that; Said lock core is divided into main lock core and auxiliary lock core; Be installed on respectively in main lock body and the auxiliary lock body, said main lock body and auxiliary lock body are cast into integral structure in the centre, and main lock body is provided with the breach of card and spring turnover; The main lock core body is provided with spring groove and card slot, and five groups of two cards and corresponding five groups of springs are installed respectively in card slot and the spring groove; Be connected with thumb wheel core and thumb wheel between said main lock core and the auxiliary lock core, the thumb wheel in-core is established the thumb wheel axle, is stuck in the thumb wheel inwall double flute in the middle of the said thumb wheel core, and two ends are stuck in the thumb wheel core draw-in groove and the thumb wheel core draw-in groove on the auxiliary lock core on the main lock core.

2. safe-guard door lock according to claim 1; It is characterized in that; Two shell holes of pellet shot from a slingshot and spring are housed in offering on the said lock body; Shell hole collar extension place all establishes seals pellet shot from a slingshot, and the pellet shot from a slingshot in shell hole is that lock core rotates the perception pellet shot from a slingshot therein, is equipped with a little pellet shot from a slingshot in the middle of the pellet shot from a slingshot in another shell hole; The shell hole position that corresponding lock body is offered on the said main lock core also offers shell hole and pellet shot from a slingshot deep trouth, also offers bullet groove in surfaces of keys simultaneously.

3. safe-guard door lock according to claim 2 is characterized in that, main lock core keyhole and the auxiliary lock core keyhole of oneself respectively is set in the middle of said main lock core and the auxiliary lock core, and said key is divided into two kinds of A, B; Also be provided with locating hole on the said lock body.

4. safe-guard door lock according to claim 1 is characterized in that, offers main lock core draw-in groove, auxiliary lock core draw-in groove on said main lock core and the auxiliary lock core respectively, in two draw-in grooves, jump ring is housed.

5. safe-guard door lock according to claim 1 is characterized in that, said key both sides have five groups of double cogs, and the flank of tooth is provided with double flute.