CN2287191Y

CN2287191Y - Closed code lock

Info

Publication number: CN2287191Y
Application number: CN 97218968
Authority: CN
Inventors: 马兵
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-06-10
Filing date: 1997-06-10
Publication date: 1998-08-05
Anticipated expiration: 2007-06-10

Abstract

The utility model relates to a closed theft prevention code dialing lock. A limit dialing mechanism is composed of a plurality of front and back ladder pins, ladder pin seats, springs, and a special key, wherein, the ladder pin seat are formed into a square shape, and are provided with a plurality of ladder holes longitudinally; the inner part of each ladder hole is provided with a ladder pin which is acted by the spring; the inner part of each ladder pin hole of a dial plate is provided with one front ladder pin. When plugs of the key are simultaneously plugged into the ladder pin holes of the dial plate, the contact surfaces of the front and the back ladder pins are positioned on the surfaces of joint closes. The utility model only uses the special key to cause the ladder pins lie in open positions simultaneously. The utility model is also provided with an alarm device, which achieves the purposes of security and theft prevention.

Description

Closed anti-frandulent use coded lock

The utility model relates to lockset, a kind of specifically closed anti-frandulent use coded lock.

Along with the economic construction development, various economy, finance, commerce, the production field of circulation all has many cashes, security at any time, file needs keeping, the use amount of safety cabinet increases, meanwhile, people's lives are rich gradually, and many also have many money's worths to be under lock and key among other, the family expenses safety cabinet is also developed, in the lockset of safety cabinet, use the double insurance of key encryption sign indicating number usually, numerical ciphers has easy to use, insure reliable advantage, in order to meet the need of market, the numerical ciphers device is further improved, perfect, increases new kind.

The purpose of this utility model provides a kind of closed anti-frandulent use coded lock, some ladder pins is set is contained in the dial bearing, uses private key just can make each ladder pin be in the enable possition simultaneously, and is provided with warning device, reaches secret, antitheft purpose.

The purpose of this utility model is achieved in that

A kind of closed anti-frandulent use coded lock, its structure comprises dial, dial bearing, limit dialing mechanism, the dial bearing is installed on the safe door, dial is connected with rotating shaft, the centre bore of dial bearing is passed in rotating shaft, locking plate fixedly is housed on the external part of rotating shaft, this locking plate and the some locking plates space butterfly retaining sheet that is loaded on dial bearing end, and fixedly back-up ring is housed, its locking plate foremost is subjected to being installed on the pressure of the cylindrical spring of dial bearing axle journal, it is characterized in that:

Described limit dialing mechanism is by some forward and backward ladder pins, ladder column keyway, spring, and private key is formed;

The ladder column keyway is square, it vertically is shaped on some shoulder holes, the hole, big footpath of this shoulder hole is longer, the path hole is shorter, and each shoulder hole axial line is parallel to each other, and the hole, big footpath of each shoulder hole and path hole are isometrical respectively, described ladder column keyway is fixedly mounted in the corresponding square hole of eccentric position of dial carrier disk, the axial line of the shoulder hole of ladder column keyway is parallel with the center line of dial bearing, and big footpath Kong Zaiqian, the path hole after;

Be shaped on some stairstepping pin-and-holes on the card of the eccentric position of dial, the shoulder hole quantity with trapezoidal key seat is identical respectively, and large and small footpath bore dia is identical respectively, and aligns one by one, and the shoulder hole path of dial is preceding, big footpath Kong Zaihou;

One back ladder pin respectively is housed in each shoulder hole of ladder column keyway, and the big footpath cylinder of this back ladder pin is corresponding with the large and small aperture of shoulder hole respectively, is set with the compression bullet and contracts on path cylinder between path hole and the big footpath cylinder end face;

Ladder pin before in each stairstepping pin-and-hole of dial, respectively being equipped with one, the big footpath cylinder of ladder pin is corresponding with hole, big footpath before being somebody's turn to do, path cylinder and path hole mutually, the small diameter part of ladder pin divides length to equate that with the thin footpath hole depth of dial the particle size partial-length has nothing in common with each other before each;

Private key is by the handgrip of disjunctor, the latch of pin plate and vertical panel face is formed, the quantity of latch is identical with dial ladder pin-and-hole quantity, and the position aligns one by one, its latch diameter is corresponding with aperture, path hole, the length of the preceding ladder pin that pin length is interior with being loaded on the dial shoulder hole is corresponding, insert simultaneously in the stairstepping pin-and-hole of dial at each latch of key, the length of each latch and preceding ladder pin length sum equal dial thickness and the contact surface that be able to make forward and backward ladder pin on the joint close face between dial inner plane and the dial carrier disk outerplanar.

The purpose of this utility model can also realize by following measure:

The quantity that described ladder column keyway is equipped with the shoulder hole of ladder pin is 2-6.

Rear portion at described ladder column keyway is equipped with warning device, and this warning device is triggered by the external part that is loaded on the ladder pin in the ladder column keyway and reports to the police.

The utility model has following actively useful effect:

This lock is applicable to big-and-middle-sized safety cabinet.

The dial of this lock by several for example four ladder pins be controlled on the dial supporting base.Without private key, four pins can't be in the enable possition simultaneously.Promptly use to bore and open peep-hole, also can't be to good coded lock, the bottom of four pins is equipped with the electrode that triggers alarm, as the way with check and correction ladder pin, can't avoid not rattling alarm buzzer.Even the robber steal key, also can't be once four latches of key be aimed at corresponding pins, like this, also can cause alarm buzzer.

The owner of safety cabinet can be regularly or is adjusted the position of four pins aperiodically, and during adjustment, four pins must be simultaneously to same direction transferring position.After the transferring position, owner must learn off key bit and answer corresponding latching hole, otherwise figure disc can not rotate.

Now in conjunction with the accompanying drawings with preferred embodiment:

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

Fig. 2 is the lateral view of Fig. 1.

The embodiment schematic diagram of Fig. 3 and the corresponding private key of Fig. 1.

Fig. 4 is the structural representation of Fig. 1 scala media cleat stanchion key seat, is elevation.

Fig. 5 is the lateral view of Fig. 4.

Fig. 6 is the structural representation of dial bearing among Fig. 1, is elevation.

Fig. 7 is the lateral view of Fig. 6.

Fig. 8 is the structural representation of dial among Fig. 1, is elevation.

Fig. 9 is the lateral view of Fig. 8.

Figure 10 is the oblique view of back ladder pin among Fig. 1.

Figure 11 is the oblique view of preceding ladder pin among Fig. 1.

Closed anti-frandulent use coded lock of the present utility model, please refer to Fig. 1 Fig. 2, its structure comprises dial 1, dial bearing 2, limit dialing mechanism 3, dial bearing 2 is installed on the safe door 4, dial 1 is connected with rotating shaft 101, the centre bore of dial bearing 2 is passed in rotating shaft 101, locking plate 5 fixedly is housed on the external part of rotating shaft, this locking plate and the some locking plates space butterfly retaining sheet 501 that is loaded on dial bearing end, and fixedly back-up ring 502 is housed, its locking plate foremost is subjected to being installed on the pressure of the cylindrical spring 503 of dial bearing axle journal.

Described limit dialing mechanism 3 is by some forward and

backward ladder pins

33,32, ladder column keyway 31, spring 34, and private key 35 is formed;

Ladder column keyway 31 is square and sees Fig. 4 Fig. 5, it vertically is shaped on some shoulder holes 311, the hole, big footpath of this shoulder hole is longer, the path hole is shorter, and each shoulder hole axial line is parallel to each other, and the hole, big footpath of each shoulder hole and path hole are isometrical respectively, described ladder column keyway is fixedly mounted in the corresponding square hole 202 of eccentric position of dial carrier disk sees Fig. 6 Fig. 7, the axial line of the shoulder hole 311 of ladder column keyway is parallel with the center line of dial bearing 2, and big footpath Kong Zaiqian, the path hole after;

On the card of the eccentric position of dial 1, be shaped on some stairstepping pin-and-holes 102 and see Fig. 8 Fig. 9, quantity with the shoulder hole 311 of trapezoidal key seat 31 is identical respectively, and large and small footpath bore dia is identical respectively, and aligns one by one, the shoulder hole path of dial is preceding, big footpath Kong Zaihou;

One back ladder pin 32 respectively is housed in each shoulder hole 311 of ladder column keyway 31 sees Figure 10, the big footpath cylinder of this back ladder pin 32 is corresponding with the large and small aperture of shoulder hole 311 respectively, is set with the compression bullet and contracts 34 on path cylinder between path hole and the big footpath cylinder end face;

Ladder pin 33 is seen Figure 11 respectively be equipped with one in each stairstepping pin-and-hole 102 of dial 1 before, the big footpath cylinder of ladder pin is corresponding with hole, big footpath before being somebody's turn to do, path cylinder and path hole are mutually, the small diameter part of ladder pin divides length to equate that with the thin footpath hole depth of dial the particle size partial-length has nothing in common with each other before each;

Private key 35 is by the handgrip 351 of disjunctor, the latch 353 of pin plate 352 and vertical pin plate is formed, the quantity of latch 353 is identical with the quantity of dial ladder pin-and-hole 102, and the position aligns one by one, the diameter of its latch 353 is corresponding with aperture, path hole, the length of the preceding ladder pin that pin length is interior with being loaded on the dial shoulder hole is corresponding, insert simultaneously in the stairstepping pin-and-hole of dial at each latch of key, the length of each latch and preceding ladder pin 33 length sums equal dial 1 thickness and before be able to making,

back ladder pin

33,32 contact surface is on the joint close face between the disk outerplanar of the inner plane of dial 1 and dial bearing 2.

During enforcement, the quantity that described ladder column keyway is equipped with the shoulder hole 311 of ladder pin is 2-6.

In preferred embodiment, at the rear portion of described ladder column keyway warning device 6 is installed, this warning device is triggered by the external part that is loaded on the ladder pin 32 in the ladder column keyway and reports to the police.

Claims

1, a kind of closed anti-frandulent use coded lock, its structure comprises dial, dial bearing, limit dialing mechanism, the dial bearing is installed on the safe door, dial is connected with rotating shaft, the centre bore of dial bearing is passed in rotating shaft, locking plate fixedly is housed on the external part of rotating shaft, this locking plate and the some locking plates space butterfly retaining sheet that is loaded on dial bearing end, and fixedly back-up ring is housed, its locking plate foremost is subjected to being installed on the pressure of the cylindrical spring of dial bearing axle journal, it is characterized in that:

The ladder column keyway is square, it vertically is shaped on some shoulder holes, each shoulder hole axial line is parallel to each other, described ladder column keyway is fixedly mounted in the corresponding square hole of eccentric position of dial carrier disk, the axial line of the shoulder hole of ladder column keyway is parallel with the center line of dial bearing, and big footpath Kong Zaiqian, the path hole after;

2, closed anti-frandulent use coded lock as claimed in claim 1 is characterized in that: the quantity that described ladder column keyway is equipped with the shoulder hole of ladder pin is 2-6.

3, closed anti-frandulent use coded lock as claimed in claim 1, it is characterized in that: the rear portion at described ladder column keyway is equipped with warning device, and this warning device is triggered by the external part that is loaded on the ladder pin in the ladder column keyway and reports to the police.