CN214943240U - Coded lock capable of preventing decoding by hearing - Google Patents

Abstract

The utility model discloses a prevent trick lock of hearing sound deciphering relates to the tool to lock field, aims at solving the trick lock and rotates the password wheel behind the pulling lock shaft, can let the spring bolt get into the problem that sends slight sound in the recess and make the trick lock to be explaided easily, and its technical scheme main points are: the lock comprises a lock shell, wherein a plurality of code wheels which are coaxially arranged are rotatably connected in the lock shell, a lock shaft is detachably connected to the lock shell, the lock shaft is slidably connected in the code wheels, a sounder is fixedly connected in the lock shell, and the single rotation angle of the code wheels is in direct proportion to the sounding times of the sounder. The utility model discloses can prevent that the person of picking the lock from picking the lock through the method of listening sound, the security is high.

Description

Coded lock capable of preventing decoding by hearing

Technical Field

The utility model relates to a tool to lock field, more specifically says, it relates to a trick lock of preventing hearing sound deciphering.

Background

The multi-dial cipher lock is a simplest cipher lock, and a central shaft of the lock is provided with a plurality of protruding lock tongues for clamping a cipher wheel. When the cipher wheel rotates to the correct cipher combination, the lock can be opened.

In the prior art, such combination locks are the easiest to open. Many such locks can be unlocked without knowing the combination at all. Unless its internal components are perfectly clear, one of the locking tongues will tighten the combination wheel more than the other locking tongues by pulling the lock shaft outwards. The tightened combination wheel is then turned until a subtle audible tone is heard indicating that the locking tongue has entered the correct groove. By repeating this step, the lock can be opened very quickly.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a trick lock of deciphering is prevented listening sound can prevent that the picklock person from picking the lock through the method of listening sound, and the security is high.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a trick lock of preventing listening sound and deciphering, includes the lock shell, the lock shell internal rotation is connected with the password wheel of the coaxial setting of a plurality of, can dismantle on the lock shell and be connected with the lock axle, lock axle sliding connection is in the password wheel, fixedly connected with vocal ware in the lock shell, the single turned angle of password wheel is directly proportional with the vocal number of times of vocal ware.

Through adopting above-mentioned technical scheme, the rotation that utilizes the password wheel drives the sounder in the lock shell and carries out the sound production, covers the generated slight sound when the password wheel rotates correct digit password, prevents that the lock picking person from judging whether the password is correct through this slight sound, and then has improved the degree of difficulty of picking the lock, prevents that the lock picking person from hearing the sound through this action and deciphering for the security of this trick lock is higher.

The utility model discloses further set up to: the sounder has elastic deformation performance, and the code wheel rotates to drive the sounder to vibrate.

Through adopting above-mentioned technical scheme, utilize to rotate the password wheel and make the sounder take place deformation, because the sounder has the elastic deformation performance and makes it can reset by oneself, produces vibrations at the in-process that resets, and then makes sound, influences the judgement of lock picking person, improves the security of this trick lock.

The utility model discloses further set up to: the bottom surface of the password wheel is provided with an annular groove, the top surface of the password wheel is fixedly connected with a plurality of annular array pins, the pins on the password wheel positioned below are slidably connected in the annular groove on the bottom surface of the password wheel positioned above, and the sounder is arranged between two adjacent pins.

Through adopting above-mentioned technical scheme, rotate the password wheel and can let the pin on this password wheel slide in the circular groove of another password wheel on this password wheel, can make every rotation a digit will have a pin to contact and then send a sound with the sounder, cover the slight sound when the password is correct, improve the security of this trick lock.

The utility model discloses further set up to: the lock shaft is fixedly connected with a plurality of lock tongues, the password wheel comprises a true wheel and a false wheel, the true wheel is provided with a chute for accommodating the lock tongues, and the false wheel is provided with a through groove with the radius more than or equal to the distance from the circle center of the lock shaft to the corner of the lock tongues.

Through adopting above-mentioned technical scheme, it is spacing to utilize the real wheel to carry out the lock bolt on the lock shaft, keeps the state of locking, makes to rotate the false wheel through logical groove on the false wheel to do not have the lock bolt and rotate the slight sound when the spout bottom, and then comes puzzlement picklock person, also can make the owner of lock unblank more conveniently simultaneously.

The utility model discloses further set up to: a shielding piece for shielding the opening at the lower end of the sliding chute is arranged in the sliding chute and is flush with the bottom surface of the real wheel.

Through adopting above-mentioned technical scheme for when rotating the real wheel, the epaxial spring bolt of lock can not contact with the spout bottom and produce slight sound, but has rotated from the bottom of shielding piece, has hidden sound and has improved the degree of difficulty that explains of this trick lock.

The utility model discloses further set up to: the bottom surface roughness of the shielding piece is the same as that of the real wheel.

Through adopting above-mentioned technical scheme for when rotating real wheel and letting the spring bolt and the bottom surface contact of shielding piece, not only can not make a sound, rotate moreover and also keep unanimous in feeling, let the sled lock person more difficult to judge the password digit.

The utility model discloses further set up to: the shielding piece is a rotating plate, the rotating plate is rotatably connected in the sliding groove, and the length of the sliding groove is larger than or equal to the thickness of the rotating plate and the length of the lock tongue.

Through adopting above-mentioned technical scheme, utilize to change the board and shelter from the spout and improve the degree of difficulty of cracking of this trick lock, guarantee the security of this trick lock, when the password is correct moreover, the pulling lock axle can make the spring bolt drive and change the board and take place to rotate, can not influence and unblank, and the practicality is strong.

To sum up, the utility model discloses following beneficial effect has:

make the password wheel that rotates on the lock shell to produce certain sound through the sounder in the lock shell and cover the slight sound when the password is correct, make through the circular ring groove when rotating the false wheel, the false wheel can be through the round pin at its top password wheel's circular ring inslot internal rotation, can not influence the normal rotation of false wheel because of leading to the groove, cover the spout through changeing the board, when making to rotate the true wheel, the spring bolt can not send sound with the contact of spout bottom, also can not influence the lock axle when the password is correct simultaneously and extract.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

fig. 3 is a third schematic structural view of the present invention;

fig. 4 is a schematic structural view of the middle wheel of the present invention.

In the figure: 1. a lock case; 2. a password wheel; 3. a lock shaft; 4. a sound generator; 5. a circular groove; 6. a pin; 7. a latch bolt; 8. a true wheel; 9. a dummy wheel; 10. a chute; 11. a through groove; 12. and (6) rotating the plate.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example (b):

as shown in fig. 1, 2 and 3, a coded lock capable of preventing decoding by hearing sound comprises a lock shell 1 which is rectangular integrally, a plurality of code wheels 2 which are coaxially arranged are connected in the lock shell 1 in a rotating manner, a lock shaft 3 which is U-shaped is detachably connected to the lock shell 1, the lock shaft 3 is slidably connected to the code wheels 2, a sounder 4 is fixedly connected to the inside of the lock shell 1, and the single rotating angle of the code wheels 2 is in direct proportion to the sounding times of the sounder 4.

As shown in fig. 2 and 3, the sounder 4 has elastic deformation performance, the code wheel 2 rotates to drive the sounder 4 to vibrate, the bottom surface of the code wheel 2 is provided with an annular groove 5, the top surface of the code wheel 2 is fixedly connected with a plurality of annular array pins 6, the pins 6 on the code wheel 2 below are slidably connected in the annular groove 5 on the bottom surface of the code wheel 2 above, and the sounder 4 is arranged between two adjacent pins 6.

When the lock picking device is used, the code wheel 2 is rotated, the pins 6 on the code wheel 2 are also rotated together, the pins 6 rotate in the circular groove 5 on the bottom surface of the code wheel 2 above the pins, and the sounder 4 is arranged between two adjacent pins 6, so that when one number on the code wheel 2 is rotated, the sounder 4 is in contact with one pin 6 to generate vibration and make a sound to influence the judgment of a lock picking person.

As shown in fig. 2, fig. 3 and fig. 4, a plurality of lock tongue 7 is fixedly connected to the lock shaft 3, the password wheel 2 includes real wheel 8 and false wheel 9, a sliding groove 10 for accommodating the lock tongue 7 is provided on the real wheel 8, a circular through groove 11 with a radius larger than or equal to the distance from the center of the lock shaft 3 to the corner of the lock tongue 7 is provided on the false wheel 9, a shielding piece for shielding the opening at the lower end of the sliding groove 10 is provided in the sliding groove 10, the shielding piece is flush with the bottom surface of the real wheel 8, the roughness of the bottom surface of the shielding piece is the same as that of the bottom surface of the real wheel 8, the shielding piece is a rotating plate 12 with a rectangular shape, the rotating plate 12 is rotatably connected in the sliding groove 10, and the length of the sliding groove 10 is larger than or equal to the thickness of the rotating plate 12 plus the length of the lock tongue 7.

During the use, rotate real wheel 8, because the spout 10 internal rotation on the real wheel 8 is connected with commentaries on classics board 12, make spring bolt 7 can not produce slight sound with the contact of spout 10 bottom surface, let the person of picking the lock be difficult to judge, simultaneously because logical groove 11 of seting up on the false wheel 9 makes false wheel 9 can not make a sound with spring bolt 7 contact, can further influence the method that the person of picking the lock judges the password digit through listening sound, when the lock owner unblanked, only need trun into the digit on the real wheel 8 into correct password digit, then pull lock shaft 3, make lock shaft 3 and commentaries on classics board 12 offset, let commentaries on classics board 12 take place to rotate, can get into in the spout 10, can extract lock shaft 3, accomplish and unblank.

When a lock picking person tries to open the coded lock, the lock shaft 3 is pulled, one coded wheel 2 is rotated, the sounder 4 is contacted with the pin 6 to make a sound to cover a fine sound of the contact between the lock tongue 7 and the bottom end of the sliding groove 10, if the real wheel 8 is rotated, the lock tongue 7 cannot be contacted with the bottom end of the sliding groove 10 to make a fine sound due to the rotating plate 12 arranged in the sliding groove 10, meanwhile, the roughness of the bottom surface of the rotating plate 12 is the same as that of the bottom surface of the real wheel 8, the lock picking person cannot judge the code number through the hand feeling of the contact between the lock tongue 7 and the bottom end of the sliding groove 10, even if the lock picking person rotates to the correct code number, the other real wheel 8 limits the other lock tongue 7 and cannot unlock, if the dummy wheel 9 is rotated, the lock tongue 7 on the lock shaft 3 is not contacted with the bottom surface of the dummy wheel 9, the hand feeling of the lock picking owner is not influenced, and the hand feeling of the dummy wheel 9 is consistent, can influence the judgement of the lock pickers.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a trick lock that sound of hearing was deciphered which characterized in that: including lock shell (1), lock shell (1) internal rotation is connected with password wheel (2) of the coaxial setting of a plurality of, can dismantle on lock shell (1) and be connected with lock axle (3), lock axle (3) sliding connection is in password wheel (2), fixedly connected with vocal ware (4) in lock shell (1), the single turned angle of password wheel (2) is directly proportional with the phonation number of times of vocal ware (4).

2. A combination lock that is protected from attack by audible noise as claimed in claim 1, wherein: the sounder (4) has elastic deformation performance, and the code wheel (2) rotates to drive the sounder (4) to vibrate.

3. A combination lock that is protected from attack by audible noise as claimed in claim 2, wherein: circular ring groove (5) have been seted up to the bottom surface of password wheel (2), the top surface fixedly connected with a plurality of annular array's of password wheel (2) pin (6), be located on password wheel (2) of below pin (6) sliding connection is in circular ring groove (5) of password wheel (2) bottom surface that is located the top, vocal ware (4) set up between two adjacent pins (6).

4. A combination lock that is protected from attack by audible noise as claimed in claim 3, wherein: fixedly connected with a plurality of spring bolt (7) on lock axle (3), password wheel (2) are including true wheel (8) and false wheel (9), offer spout (10) that are used for holding spring bolt (7) on true wheel (8), logical groove (11) of radius more than or equal to lock axle (3) centre of a circle to spring bolt (7) corner distance are seted up on false wheel (9).

5. An audiometrically protected combination lock according to claim 4, wherein: a shielding piece for shielding the opening at the lower end of the sliding chute (10) is arranged in the sliding chute (10), and the shielding piece is flush with the bottom surface of the real wheel (8).

6. An audiometrically protected combination lock according to claim 5, wherein: the roughness of the bottom surface of the shielding piece is the same as that of the bottom surface of the real wheel (8).

7. An audiometrically protected combination lock according to claim 6, wherein: the shielding piece is a rotating plate (12), the rotating plate (12) is rotatably connected in the sliding groove (10), and the length of the sliding groove (10) is larger than or equal to the thickness of the rotating plate (12) and the length of the locking bolt (7).

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