CN2097247U - Bidirectional on-off mechanical cipher lock - Google Patents

Abstract

The utility model relates to a bidirectional on-off mechanical cipher lock, belonging to the field of locks used for fixing constructions. The utility model is that the axial direction on-off between a mechanical cipher lock and a toggle shaft is used and the axial direction on-off between the inner ring of a cipher disc (toggle part) and the outer ring (cipher part) on the basis of the existing traditional mechanical cipher lock, through skillful design; the functions that cipher can be freely changed and the cipher can not be encoded by hand feeling and sound in a large range can be realized. The utility model is not different from the traditional mechanical cipher lock when installed and used but the utility model has the advantages of simple structure strong security and difficulty of damage; the bidirectional on-off mechanical cipher lock can replace the traditional cipher locks and can be suitable for frequent replacement of various metal cabinets of users; the bidirectional on-off mechanical cipher lock is an ideal mechanical cipher lock.

Description

Bidirectional on-off mechanical cipher lock

The utility model provides a kind of two-way clutch mechanical code lock, and it is the conversion password arbitrarily, but can not break a code by the sound and feel, belongs to the lock class field of fixed building.

There is following shortcoming in the existing machinery coded lock: the one, and mechanical code lock is in case after having installed, just be not easy the password of this lock of conversion, want the conversion password to pull down by a lock, because the influence of economic reform, a people dried cradle-to-grave situation on certain post is less and less, like this, knows that the people of safety cabinet password is more and more many, everybody can both open safety cabinet, the safety cabinet non insurance that becomes; Another is when opening mechanical code lock, and the thief can judge password situation by the feel or the inner sound that sends, and opens coded lock, thereby has reduced the confidentiality of mechanical code lock.Nearest discloseder coded locks though notice these problems, the complex structure that their solve, use inconvenience, are unfavorable for promoting the use of.

The purpose of this utility model is to overcome above-mentioned shortcoming, and traditional mechanical code lock is improved, and makes it have in very large range arbitrarily conversion password, and exempts the two-way clutch mechanical code lock that breaks a code by the feel and the sound.

The purpose of this utility model realizes by following array structure: by shifting shaft, dial, axle sleeve, combination disk and the outer mechanical code lock of forming that coils, it is characterized in that shifting shaft passes retainer spring, spring, stop washer, combination disk and the dial of arranging in regular turn, fixed by latch again, latch is connected as a single entity shifting shaft and dial, under the effect of retainer spring, shifting shaft axially has " pulling out " and " being pressed into " two states; The external diameter of dial is bigger slightly than combination disk external diameter, combination disk is made up of inner ring, outer ring, turn, variable force spring and group nail, and under general state, the elastic force of turn makes inner ring and outer ring engagement be one, dial is stirred dialling on the combination disk and is followed closely 501, and combination disk can only be turned left or turn right.Be equipped with and distinguish chip at the handle place of opening the door, and is distinguishing that chip end one side has protuberance, and a corresponding concave surface is arranged at the dial bottom; The handle of stirring of shifting shaft is no neck structure.

Advantages such as that this device has is simple in structure, easy to install, strong security, the various metal boxes that can be widely used in the frequent changes user cashier's office in a shop, as places such as the chamber of taking a shower, LUGGAGE STORAGE chamber, hotel, swimming dressing room, station Luggage Deposit place, can also replace existing safety cabinet coded lock, making users more relieved, is a kind of desirable mechanical code lock.

Be described further with regard to structure of the present utility model below in conjunction with embodiment.

Fig. 1 is the structural representation of two-way clutch mechanical code lock open and close lock state.

Fig. 2 is a two-way clutch mechanical code lock open and close lock state A-A sectional view.

Fig. 3 is the structural representation of two-way clutch mechanical code lock dial-up state.

Fig. 4 is a two-way clutch mechanical code lock dial-up state A-A sectional view.

The 1-shifting shaft; 2-coils outward; The 3-axle sleeve; The 4-dial; The 5-combination disk; The 6-stop washer; The 7-spring; The 8-retainer spring; The 9-latch; The 10-screw that is located by connecting; The 11-cabinet; 12-distinguishes chip; The 401-dial is dialled nail; The 501-combination disk is dialled nail; The 502-inner ring; The 503-outer ring; The 504-turn; 505-variable force spring.

When shifting shaft 1 is in " pulling out " location status, be locked position (P state), as shown in Figure 1 and Figure 2, dial 4 and combination disk 5 clutches, dialling on the dial 4 followed closely the 401 group nails of stirring on the combination disk 5 501, make the combination disk left-right rotation, according to password, can unblank and be set up coded lock, but, distinguish chip 12 so block because the external diameter of dial 4 is bigger slightly than combination disk external diameter, make and distinguish that chip 12 can not contact with combination disk 5, stealing the person can't break a code by distinguishing the friction feel and the sound between chip 12 and the combination disk 5, opens coded lock.When shifting shaft 1 is in " being pressed into " location status, be enable possition (Q state), as shown in Figure 1 and Figure 2, dial separates with combination disk, the rotation handle that opens the door, distinguish that chip 12 can contact with combination disk 5, block dial 4 because of distinguishing chip 12 1 end protuberances, dialling on the dial 4 followed closely the 401 group nails 501 that can not contact on the combination disk, rotate shifting shaft 1,4 of dials can dally, and steal the person and can't utilize at all and distinguish that friction feel and the sound break a code between chip and the combination disk, open the cabinet door.Because this device utilizes axial clutch between mechanical code lock turning wheel and the combination disk, realize that the same time can only do an action, thereby thoroughly exempted the possibility that breaks a code by the feel and the sound.

When needing the conversion password, at first coded lock is pushed the unlatching situation with original code, as Fig. 3, shown in Figure 4, each combination disk 5 breach alignment on the coded lock at this moment, shifting shaft is put into " being pressed into " position, be coding site (M state), the handle that opens the door is allocated to and becomes one grade of sign indicating number, distinguishes that chip 12 is pressed in the combination disk breach, combination disk is accurately located, distinguish that chip presses logical variable force spring 505 simultaneously, the variable force spring struts, and produces the opposite support power of both direction, support power is by combination disk outer ring 503, the centripetal force that overcomes combination disk upper spring circle 504 makes combination disk outer ring 503 separate with inner ring 502, simultaneously because the dial lower inside has concave surface, distinguish on the chip protuberance just with its engagement, so can being in, dial can " pull out " position, at this moment, pull out the thumb wheel axle, dial is " pulling out " position situation, dialling nail 401 on the dial contacts with group nail 501 on the combination disk, the trackwheel axle, just preface changes in the coded lock position relation of inner ring and outer ring on the combination disk in turn, realizes the purpose of random conversion coded lock password.Behind the careful sign indicating number of conversion, " be pressed into " the thumb wheel axle, the thumb wheel axle is in " being pressed into " position, be locked position, the handle that opens the door is dialled go back to the normal position, distinguish that chip withdraws from the combination disk breach, coded lock is under the effect of combination disk upper spring circle, mesh again with inner ring outer ring 503, becomes one, and the coded lock of this moment has had new password.

The utility model two-way clutch mechanical code lock is because the radially clutch of ingenious axial clutch that utilizes coded lock turning wheel and combination disk of when design and combination disk outer ring (password partly) and inner ring (stirring part) finally realizes the purpose of this utility model.

This device is the further improvement to traditional mechanical code lock, therefore it has enlarged the scope of application of mechanical code lock, has improved confidentiality, and installation and use and conventional cipher lock do not have too big difference, particularly adopted no neck structure, making surreptitiously, the person more has no idea to steal.The two-way clutch mechanical code lock can be widely used in and replace the existing machinery coded lock, and it can solve the harm that causes because of password is unalterable, and it is more relieved that users are used.

During use, earlier shifting shaft " is pulled out " (as shown in Figure 1 and Figure 2), dial is dialled nail 401 and is dialled nail 501 engagements with combination disk, and according to password, turning handle is aimed at password, and the cabinet door can be opened; Not the time spent, shifting shaft is placed " being pressed into " position, i.e. locked position.When becoming sign indicating number, make shifting shaft be in " being pressed into " position, rotate the handle that opens the door, the handle that opens the door is in become one grade of sign indicating number, i.e. coding site, as shown in Figure 3, Figure 4, distinguish that chip inserts in the combination disk, pull out shifting shaft again, and rotate shifting shaft on demand and regroup password, after finishing shifting shaft " is pressed into ", get back to locked position, the handle that will open the door is dialled back and is closed the door one grade, distinguishes that chip withdraws from, and becomes sign indicating number and finishes.

The P state is a locked position, and the M state is a coding site, and the Q state is the enable possition.

Claims (5)

1, a kind of two-way clutch mechanical code lock, by shifting shaft 1, dial 4, axle sleeve 3, combination disk 5 with coil 2 outward and form, it is characterized in that shifting shaft 1 passes retainer spring 8, spring 7, stop washer 6, combination disk 5 and the dial of arranging in regular turn 4, fixed by latch 9 again, combination disk is made of inner ring 502, outer ring 503, turn 504 and variable force spring 505, is equipped with at the handle place of opening the door and distinguishes chip 12.

2, two-way clutch mechanical code lock according to claim 1 it is characterized in that latch 9 is connected as a single entity shifting shaft 1 and dial 4, and the external diameter of dial is bigger slightly than combination disk external diameter.

3, two-way clutch mechanical code lock according to claim 1 and 2 is characterized in that distinguishing that chip 12 ends one side has protuberance, in dial 4 bottoms corresponding concave surface is arranged.

4, two-way clutch mechanical code lock according to claim 1 and 2 is characterized in that the handle of stirring on the shifting shaft 1 is no neck structure.

5, two-way clutch mechanical code lock according to claim 3 is characterized in that the handle of stirring on the shifting shaft 1 is no neck structure.

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