CN220667235U - Coded lock capable of retrieving codes - Google Patents

Abstract

The utility model relates to a coded lock capable of retrieving a code, which comprises a shell, a loongson, a positioning wheel, a code wheel, a lock tongue, a key hole piece, a clamping piece and an auxiliary piece, wherein the clamping piece is provided with clamping ends which are in one-to-one correspondence with the positioning wheel, the positioning wheel is provided with clamping grooves corresponding to the clamping ends, and the key hole piece drives the clamping ends to move towards the direction of the positioning wheel; a third elastic piece is arranged between the clamping piece and the shell. The key hole for retrieving the password is arranged on the coded lock, and the password is retrieved by rotating the key, so that the service life of the coded lock is prolonged.

Description

Coded lock capable of retrieving codes

Technical Field

The utility model relates to the technical field of coded locks, in particular to a coded lock capable of retrieving a code.

Background

The coded lock is one of the common door locks. In order to solve the technical problem that the mechanical coded lock cannot be reused once the coded lock is forgotten, a key opening function is additionally arranged on the coded lock, the key can be opened only at the later stage, the coded lock function is not provided any more, and inconvenience is brought to consumers.

Disclosure of Invention

Aiming at the defects in the background technology, the utility model provides the coded lock capable of retrieving the codes, and overcomes the defects.

The technical scheme adopted for solving the technical problems is as follows: the coded lock comprises a shell, a Loongson, a positioning wheel, a coded wheel, a lock tongue, a key hole piece, a clamping piece and an auxiliary piece, wherein the clamping piece is provided with clamping ends which are in one-to-one correspondence with the positioning wheel, the positioning wheel is provided with clamping grooves corresponding to the clamping ends, and the key hole piece drives the clamping ends to move towards the positioning wheel; a third elastic piece is arranged between the clamping piece and the shell.

The key hole piece passes through connecting piece and auxiliary part swing joint, and the inclined plane is connected between auxiliary part and the screens piece, and the key hole piece is driven rotation angle by the key and is driven auxiliary part orientation inclined plane direction and remove, is limited by inclined plane and screens piece mounting groove, and screens piece removes towards the locating wheel, and contradicts with the locating wheel.

One end of the connecting piece, which is connected with the key hole piece, is provided with an arc hole.

The locking piece comprises a locking part and a limiting part; a first elastic piece is arranged between the lock tongue and the shell, the lock tongue comprises a left lock tongue and a right lock tongue, a limiting part is positioned between the two lock tongues to lock the lock tongue, and a limiting roller is arranged between the locking part and the Loongson; a second elastic piece is arranged between the Loongson and the positioning wheel.

The locking part is provided with a first accommodating groove and a second accommodating groove for accommodating the limiting roller.

The lock also comprises a password adjusting piece and a pushing piece matched with the password adjusting piece through a slope II, wherein the Loongson penetrates through the pushing piece and the password adjusting piece, and the pushing piece is positioned between the password adjusting piece and the positioning wheel. The password adjusting piece moves upwards, and the positioning wheel is pushed to move towards the far direction by the pushing piece.

By adopting the technical scheme, the problem that the function of the conventional mechanical coded lock is thoroughly lost once the password is forgotten is effectively solved. The key hole for retrieving the password is arranged on the coded lock, and the password is retrieved by rotating the key, so that the service life of the coded lock is prolonged.

Drawings

Fig. 1 is a schematic front view of the structure of the present utility model.

FIG. 2 is a schematic diagram of the reverse side of the present utility model.

FIG. 3 is a reference diagram of the usage status of the present utility model.

Fig. 4 is a schematic view of the internal structure of fig. 2.

Fig. 5 is a schematic diagram of a split state of the present utility model.

Fig. 6 is a schematic diagram of the split state of the positioning wheel and the Loongson.

Fig. 7 is a schematic diagram of the connection of the code wheel, the positioning wheel and the Loongson.

Fig. 8 is a second schematic diagram of the connection of the password wheel, the positioning wheel and the Loongson.

Fig. 9 is a partial schematic view of the present utility model.

Detailed Description

Referring to fig. 1-9, the utility model discloses a coded lock capable of retrieving a code, which comprises a shell 1, a loongson 7, a positioning wheel 12, a code wheel 11, a lock tongue 5, a key hole piece 2, a clamping piece 3 and an auxiliary piece 32, wherein the loongson 7, the positioning wheel 12, the code wheel 11, the lock tongue 5, the key hole piece 2, the clamping piece 3 and the auxiliary piece 32 are positioned in the shell 1, the clamping piece 3 is provided with clamping ends 31, the clamping ends 31 are in one-to-one correspondence with the positioning wheel 12, and the key hole piece 2 drives the clamping ends 31 to move towards the positioning wheel 12; a third elastic member 30 is arranged between the clamping member 3 and the housing 1.

When the password is forgotten and needs to be retrieved, as shown in fig. 4, the keyhole member 2 is movably connected with the auxiliary member 32 through the connecting member 21, the auxiliary member 32 is connected with the inclined surface 33 between the clamping member 3, and the keyhole member 2 is driven by the key to rotate by an angle to drive the auxiliary member 32 to move towards the inclined surface 33 (preferably, the rotation angle of the keyhole member 2 is 90 °); the clamping piece 3 moves towards the positioning wheel 12 under the limitation of the inclined plane 33 and the mounting groove (groove 01 on the shell 1) of the clamping piece 3, the clamping end 31 is abutted against the positioning wheel 12, then each cipher wheel 11 is respectively stirred, the cipher wheel 11 drives the positioning wheel 12 to be stirred together, as shown in fig. 8, a clamping groove 121 corresponding to the clamping end 31 is arranged on the positioning wheel 12, when the clamping groove 121 on the positioning wheel 12 is stirred to be aligned with the clamping end 31, the end part of the clamping end 31 is inserted into the clamping groove 121, the positioning wheel 12 cannot be stirred any more, the cipher wheel 11 together with the positioning wheel cannot be stirred any more, and an elastic piece (not shown in the figure) is arranged between the end part of the clamping end 31 and the clamping piece 3; and then the other cipher wheel 11 is continuously stirred, and the correct cipher is obtained at the moment when all the cipher wheels 11 can not be stirred any more (the work of retrieving the cipher is completed). Then the key drives the keyhole member 2 to reset (reversely rotate by 90 degrees) and the key is pulled out, in the process, referring to fig. 4, the connecting member 21 drives the auxiliary member 32 to reset (move away from the inclined plane 33), the clamping member 3 moves downwards under the action of the third elastic member 30, the clamping end 31 is separated from the clamping groove 121 downwards, and the cipher wheel 11 returns to normal use.

The end of the connecting piece 21, which is connected to the key hole piece 2, is provided with an arc-shaped hole 211 as shown in fig. 4.

The limiting part 42 is positioned between the two lock bolts 5 to lock the lock bolts 5, and a limiting roller 6 is arranged between the locking part 41 and the loongson 7; a second elastic piece 70 is arranged between the Loongson 7 and the positioning wheel 12. As shown in fig. 5, the locking member 4 includes a locking portion 41 and a limiting portion 42, where the locking portion 41 and the limiting portion 42 are integrally provided, and the locking portion 41 is provided with a locking button 40 extending out of the housing 1, as shown in fig. 1 or 3; the first elastic member 50 is disposed between the lock tongue 5 and the housing 1, as shown in fig. 1, the lock tongue 5 includes two left and right sides, when the code is correct (the lock tongue 7 can move laterally relative to the positioning wheel 12), the locking button 40 is fluctuated downwards, that is, the locking member 4 moves downwards, as shown in fig. 4, the limit roller 6 moves from the first accommodating groove 411 to the second accommodating groove 412, during this process, the lock tongue 7 moves towards the left side, the second elastic member 70 is compressed, the limit portion 42 is disengaged from between the two lock tongues 5, the two lock tongues 5 are not limited any more, the U-shaped lock beam 10 can be taken out or go deep from the through hole 10 in combination with the cambered surface of the end portion of the lock tongue 5, and the above is an unlocking process.

The end of the bolt 5 is always placed in the through hole 10 when the force of the first elastic piece 50 is not applied. When the locking is needed, on the premise that the code is correct, the locking button 40 is moved upwards, namely the locking piece 4 moves upwards, the limiting roller 6 moves into the first accommodating groove 411, the limiting part 42 moves to the state shown in the figure 4 for limiting the retraction of the two lock tongues 5 between the two lock tongues 5, and the code wheel is regulated and disordered, so that the locking is completed.

As shown in fig. 4, the locking portion 41 is provided with a first accommodating groove 411 and a second accommodating groove 412 in which the limiting roller 6 is accommodated, the depth of the first accommodating groove 411 is greater than that of the second accommodating groove 412, the first accommodating groove 411 and the second accommodating groove 412 are not cambered, and are connected with each other through cambered surfaces, so that the limiting roller 6 can move relatively conveniently, and when the limiting roller 6 is located in the first accommodating groove 411, the limiting portion 42 is located between the two lock tongues 5.

The password adjusting device further comprises a password adjusting piece 8 and a pushing piece 9 matched with the password adjusting piece through a second inclined plane 81, the password adjusting piece 8 is provided with a password adjusting button 80 extending out of the shell 1, the Loongson 7 penetrates through the pushing piece 9 and the password adjusting piece 8, and the pushing piece 9 is located between the password adjusting piece 8 and the positioning wheel 12. The code adjusting piece 8 moves upwards, and the positioning wheel 12 is pushed to move towards the far direction by the pushing piece 9. When the password is required to be changed, the password adjusting button 80 is shifted upwards on the premise that the password is correct, the password adjusting piece 8 moves upwards with reference to fig. 9, the pushing piece 9 matched with the password adjusting piece 8 through the inclined surface two 81 pushes the positioning wheel 12 to move towards the second elastic piece 70 along the loongson 7, the second elastic piece 70 is compressed, the positioning wheel 12 moves towards the second elastic piece 70 and breaks away from the circumferential fixed connection with the password wheel 11 (the convex block on the positioning wheel 12 is far away from the clamping groove on the inner wall of the password wheel 11) on the premise that the password is correct, the password wheel 11 is shifted in the state, the favorite password number is adjusted, finally the password adjusting button 80 is adjusted downwards (reset), the positioning wheel 12 is reset under the action of the second elastic piece 70, and the circumferential fixed connection between the positioning wheel 12 and the password wheel 11 is completed according to the principle.

As shown in fig. 6, the godet 7 is provided with a guide bar 71, and the inner wall of the positioning wheel 12 is provided with a guide groove 122 corresponding to the guide bar 71.

The utility model effectively solves the problem that the conventional mechanical coded lock thoroughly loses the function of the coded lock once the code is forgotten. The key hole for retrieving the password is arranged on the password lock, and the password is retrieved by rotating the key hole piece 2 through the key, so that the service life of the password lock is prolonged.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above description will be apparent to those of skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While obvious variations or modifications are contemplated as falling within the scope of the present utility model.

Claims (6)

1. The utility model provides a trick lock of recoverable password, includes casing and be located Loongson, locating wheel and password wheel, the spring bolt of casing, its characterized in that: the positioning wheel is provided with clamping grooves corresponding to the clamping ends, and the clamping ends are driven to move towards the positioning wheel by the key hole piece; a third elastic piece is arranged between the clamping piece and the shell.

2. The code lock of claim 1, wherein the code lock is further adapted to: the key hole piece passes through connecting piece and auxiliary part swing joint, and the inclined plane is connected between auxiliary part and the screens piece, and the key hole piece is driven rotation angle by the key and is driven auxiliary part orientation inclined plane direction and remove, is limited by inclined plane and screens piece mounting groove, and screens piece removes towards the locating wheel, and contradicts with the locating wheel.

3. A combination lock for retrieving a combination as defined in claim 2, wherein: one end of the connecting piece, which is connected with the key hole piece, is provided with an arc hole.

4. The code lock of claim 1, wherein the code lock is further adapted to: the locking piece comprises a locking part and a limiting part; a first elastic piece is arranged between the lock tongue and the shell, the lock tongue comprises a left lock tongue and a right lock tongue, a limiting part is positioned between the two lock tongues to lock the lock tongue, and a limiting roller is arranged between the locking part and the Loongson; a second elastic piece is arranged between the Loongson and the positioning wheel.

5. The code lock of claim 4, wherein the code lock is further operable to: the locking part is provided with a first accommodating groove and a second accommodating groove for accommodating the limiting roller.

6. The code lock of claim 1, wherein the code lock is further adapted to: the password adjusting part moves upwards, and the positioning wheel is pushed to move towards a far direction by the pushing part.