CN217538229U - Coded lock convenient for code changing - Google Patents

Abstract

The utility model relates to a coded lock convenient for code changing, which comprises a shell, wherein a coded wheel component is arranged in the shell; the code wheel assembly comprises a lock rod provided with a plurality of character wheel cores, and the character wheel cores are sleeved with character wheels capable of driving the character wheel cores to rotate or rotate relatively; the end part of the lock rod is also provided with a code changing block, and the code changing block can enable the character wheel core to be separated from the character wheel along the axis direction, so that the character wheel can rotate relative to the character wheel core, and code changing is realized. The beneficial effects of the utility model reside in that: compared with the prior art, the utility model discloses a simple code changing block structure can change the sign indicating number under the condition of not dismantling the trick lock to can make the trick lock be in and change the sign indicating number state changing the sign indicating number in-process changing the sign indicating number, need not manual control, convenient operation can be laborsaving, quick, in the same direction as smooth, modify the password simply.

Description

Coded lock convenient for code changing

Technical Field

The utility model relates to a trick lock technical field especially relates to a conveniently change trick lock of sign indicating number.

Background

The coded lock is one kind of lock, and when the coded lock is opened, a series of numbers or symbols are used, and the character coded lock can be divided into: mechanical combination locks, digital combination locks, and the like.

The combination of a combination lock is usually only permutation and not a true combination. Part of the coded lock only uses a turntable to rotate a plurality of discs or cams in the lock; some combination locks also rotate a set of several dial rings with numbers engraved on them to directly drive the internal mechanism of the lock.

In security, the password is modified after the consumer purchases the password. The existing coded lock is not simple and reliable enough to modify the code. And because the inside part of trick lock is more, some trick locks are when revising the password, and the carousel rotates and can be blocked to can not revise the password.

At present, part of the password locks circulated in the market also have the code changing function, but the password locks need to be disassembled to change the passwords, so that the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems existing in the prior art, the utility model provides a conveniently change trick lock of sign indicating number.

A coded lock convenient for code changing comprises a shell, wherein a coded wheel assembly is arranged in the shell; the code wheel assembly comprises a lock rod provided with a plurality of character wheel cores, and the character wheel cores are sleeved with character wheels capable of driving the character wheel cores to rotate or rotate relatively; the end part of the lock rod is also provided with a code changing block, and the code changing block can enable the character wheel core to be separated from the character wheel along the axis direction, so that the character wheel can rotate relative to the character wheel core, and code changing is realized.

The technical scheme is further set as follows: the code changing block comprises a sleeve part, and the outer diameter of the sleeve part is consistent with that of the character wheel core; the end part of the sleeve part is provided with a poke rod in a radially extending manner.

The technical scheme is further set as follows: the coded wheel assembly is wrapped with a character wheel frame, the character wheel and a character wheel core are both arranged in the character wheel frame, and the lock rod is movably arranged on the character wheel frame; the back of the character wheel frame is provided with an L-shaped groove which can contain the poke rod to rotate, and the poke rod is pressed downwards and then rotates, so that the poke rod can be locked in the L-shaped groove.

The technical scheme is further set as follows: keep away from on the locking lever one pot head of yard of trading is equipped with reset spring, reset spring's tip withstands the character wheel core that is closest, promotes the direction of character wheel core towards the yard of trading to promote the yard of trading and reset.

The technical scheme is further set as follows: the peripheral surface of the character wheel core is provided with a plurality of positioning protrusions, and the positioning protrusions are matched with the positioning grooves in the inner peripheral surface of the character wheel, so that the character wheel can drive the character wheel core to rotate; the character wheel core and the character wheel are displaced under the action of the code changing block, the positioning protrusion is separated from the positioning groove, and the character wheel can rotate relative to the character wheel core.

The technical scheme is further set as follows: the code wheel assembly further comprises a code searching rod, a plurality of code searching claws are arranged on the code searching rod, and code searching blocks corresponding to the code searching claws are arranged on the character wheel core.

The technical scheme is further set as follows: seek protruding the establishing of sign indicating number piece integrated into one piece on the periphery of character wheel core, it is equipped with the code face to seek the sign indicating number piece, seek the outer end of sign indicating number claw with the cooperation of code face.

The technical scheme is further set as follows: a mechanical lock assembly capable of rotating relative to the shell is arranged in the shell in a penetrating mode, one end of the mechanical lock assembly is connected with a lock plate, and the coded wheel assembly can enable the mechanical lock assembly to have a locking state and an unlocking state; when the mechanical lock assembly is in a locked state, the lock plate can be rotated to unlock through a key; when the mechanical lock assembly is in an unlocking state, the locking plate can be directly rotated to unlock.

The technical scheme is further set as follows: the mechanical lock assembly comprises a lock cylinder and a lock shell, wherein the lock cylinder and the lock shell are locked through a blade; the locking plate is arranged at the end part of the lock cylinder.

The technical scheme is further set as follows: the end of the code wheel assembly is provided with a lock tongue, and the lock shell is provided with a lock groove corresponding to the lock tongue.

The beneficial effects of the utility model reside in that: compared with the prior art, the utility model discloses a simple change sign indicating number block structure can change the sign indicating number under the condition of not dismantling the trick lock to change the sign indicating number in-process and can make the trick lock be in and change the sign indicating number state, need not manual control, convenient operation can be laborsaving, quick, in the same direction as smooth, modify the password simply.

Drawings

Fig. 1 is a schematic view of the exploded structure of the present invention.

Figure 2 is an axial cross-sectional view of the core and the print wheel in a locked condition.

Figure 3 is an axial cross-sectional view of the combination wheel assembly in a code change position.

Fig. 4 is a back structure schematic diagram of the code wheel assembly in the code changing state.

Fig. 5 is a schematic structural view of a code searching rod and a character wheel core in a code searching state.

Fig. 6 is an enlarged schematic view of a portion a of fig. 5.

Figure 7 is a schematic view of the release arrangement of the locking bar and mechanical lock assembly.

The attached drawings are marked with: 100. a housing; 200. a lock lever; 210. a latch bolt; 300. a character wheel core; 310. positioning protrusions; 320. searching a code block; 400. a print wheel; 500. a code change block; 510. a sleeve portion; 520. a poke rod; 521. a locking surface; 600. a character wheel frame; 610. an L-shaped groove; 611. a mating surface; 700. a return spring; 800. a code searching rod; 810. code searching claw; a. code matching is carried out; b. searching a code surface; 900. a mechanical lock assembly; 910. a lock cylinder; 920. a lock case; 911. a locking plate; 921. and (4) locking the groove.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1, a combination lock convenient for changing a code comprises a housing 100, wherein a combination wheel assembly is arranged in the housing 100; the password wheel assembly comprises a lock rod 200 provided with a plurality of character wheel cores 300, and the character wheel cores 300 are sleeved with character wheels 400 capable of driving the character wheel cores 300 to rotate or relatively rotate; the end of the lock rod 200 is further provided with a code changing block 500, and the code changing block 500 can separate the character wheel core 300 from the character wheel 400 along the axial direction, so that the character wheel 400 can rotate relative to the character wheel core 300, and code changing is achieved.

In the initial state, the print wheel core 300 and the print wheel 400 are in the locked state, and the print wheel 400 rotates to drive the print wheel core 300 to rotate, i.e., the print wheel core 300 and the print wheel 400 cannot rotate relatively. The user operates the code changing block 500, so that the code changing block 500 drives the character wheel core 300 to move, the character wheel core 300 is separated from the inner ring of the character wheel 400, the locking state of the character wheel 400 and the character wheel core 300 is released, the character wheel 400 and the character wheel core 300 can relatively rotate, and the character wheel 400 is rotated at the moment, so that code changing can be performed.

Referring to fig. 2, in order to achieve a locked state between the character wheel 400 and the character wheel core 300, a plurality of positioning protrusions 310 are disposed on a circumferential surface of the character wheel core 300, and the positioning protrusions 310 are matched with positioning grooves on an inner circumferential surface of the character wheel 400, so that the character wheel 400 can drive the character wheel core 300 to rotate; the character wheel core 300 is displaced from the character wheel 400 under the action of the code changing block 500, the positioning protrusions 310 are separated from the positioning grooves, and the character wheel 400 can rotate relative to the character wheel core 300.

Preferably, the position of the detent corresponds to the number position on the print wheel 400.

Specifically, the code changing block 500 includes a sleeve portion 510, and an outer diameter of the sleeve portion 510 is consistent with an outer diameter of the core 300; in order to facilitate the operation of the sleeve portion 510, a tap lever 520 extends radially from an end of the sleeve portion 510.

Pressing the toggle lever 520 downward along the axis of the lock lever 200 pushes the word wheel core 300 downward along the axis, thereby disengaging the word wheel core 300 from the word wheel 400.

In order to lock the code changing block 500 in the code changing process, the code wheel assembly is wrapped with a character wheel frame 600, the character wheel 400 and the character wheel core 300 are both arranged in the character wheel frame 600, and the lock rod 200 is movably arranged on the character wheel frame 600; the back of the character wheel frame 600 is provided with an L-shaped groove 610 capable of accommodating the poke rod 520 to rotate, and the poke rod 520 is pressed downwards and then rotates, so that the poke rod can be locked in the L-shaped groove 610.

Preferably, an inclined locking surface 521 is arranged on the upper end surface of the tap lever 520, and a matching surface 611 matched with the locking surface 521 is arranged on the end surface of the L-shaped groove 610 at the locking position. When the tap lever 520 rotates to the locking position of the L-shaped groove 610, the locking surface 521 and the mating surface 611 are in matching contact, and the two surfaces are subjected to mutual acting force and are perpendicular to the inclined surface, that is, an included angle exists between the two surfaces and the rotating direction of the tap lever 520, so that the tap lever 520 is subjected to a certain resistance in the rotating direction, and the tap lever 520 cannot rotate back from the locking position at will.

After the user finishes the code swapping, the code swapping block 500 needs to be unlocked and reset so that the print wheel core 300 can be locked with the print wheel 400 again. One end of the lock rod 200, which is far away from the code changing block 500, is sleeved with a return spring 700, the end of the return spring 700 props against the closest character wheel core 300, and the character wheel core 300 is pushed towards the direction of the code changing block 500, so that the code changing block 500 is pushed to reset.

Preferably, the end of the combination wheel assembly is provided with a locking tongue 210, one end of the spring 700 abuts against the end surface of the locking tongue 210, and the other end abuts against the end surface of the closest character wheel core 300, so as to jack up the character wheel core 300.

In this embodiment, the code wheel assembly further includes a code searching rod 800, the code searching rod 800 is provided with a plurality of code searching claws 810, and the character wheel core 300 is provided with a code searching block 320 corresponding to the code searching claws 810.

Specifically, seek the protruding establishment of code piece 320 integrated into one piece on the periphery of character wheel core 300, seek to be equipped with on the code piece 320 to the code face a, seek the outer end of sign indicating number claw 810 with to the cooperation of code face a.

Preferably, the code matching surface a is a plane, and the outer end of the code searching claw 810 is also provided with a code searching surface b capable of matching with the code matching surface a.

The user rotates the character wheel 400, the character wheel 400 drives the character wheel core 300 to rotate, and the character wheel core 300 contacts with the code searching claw 810 in the rotating process. When the number is rotated to the wrong number, the arc-shaped surface on the character wheel core 300 contacts with the code searching claw 810, and the code searching claw 810 is pushed outwards. When the number is rotated to the correct number, the code-aligning surface a on the character wheel core 300 contacts with the code-searching claw 810, the plane on the code-searching claw 810 is matched with the code-aligning surface a, at this time, the character wheel core 300 cannot rotate relative to the code-searching claw 810, that is, the user cannot dial the character wheel 400 any more.

In this embodiment, a mechanical lock assembly 900 capable of rotating relative to the housing 100 is further disposed in the housing 100, one end of the mechanical lock assembly 900 is connected to a lock plate 911, and the combination wheel assembly can enable the mechanical lock assembly 900 to have a locked state and an unlocked state; when the mechanical lock assembly 900 is in a locked state, the key is required to rotate the lock plate 911 for unlocking; when the mechanical lock assembly 900 is in the unlocked state, the lock plate 911 can be directly rotated to unlock.

The mechanical lock assembly 900 comprises a lock cylinder 910 and a lock case 920, wherein the lock cylinder 910 and the lock case 920 are locked by blades; the locking piece 911 is disposed at an end of the lock cylinder 910.

When a user inputs a correct password, the password wheel assembly unlocks the mechanical lock assembly 900, the lock cylinder 910 and the lock case 920 in the mechanical lock assembly 900 are in a locked state at the moment, and the lock case 920 is rotated, so that the lock cylinder 910 can be rotated, the lock plate 911 is driven to rotate, and the unlocking is performed.

Under the condition that a user does not know a correct password, a key needs to be inserted into the mechanical lock assembly 900, so that the lock cylinder 910 and the lock shell 920 are unlocked, the lock cylinder 910 can rotate relative to the lock shell 920, and the key is rotated to drive the lock cylinder 910 to rotate, so that the lock plate 911 is driven to rotate and unlock.

The unlocking manner of the mechanical lock assembly 900 is the same as that of the mechanical lock unlocked by the key in the prior art, and is not described herein.

In order to realize the locking between the code wheel assembly and the lock case 920, a lock slot 921 corresponding to the lock tongue 210 is formed on the lock case 920.

In the state of wrong password, the bolt 210 on the password wheel assembly is inserted into the lock slot 921 to lock the lock case 920, and the lock case 920 cannot rotate. When the correct code is inputted, the locking bar 200 can be driven, and when the lock case 920 is rotated, the locking tongue 210 is pushed upward until the locking groove 921 is withdrawn, the lock case 920 can be rotated together with the lock cylinder 910,

preferably, two groove walls of the locking groove 921 along the rotation direction are inclined surfaces.

The usage of this embodiment is the same as that of the combination lock with the combination wheel assembly in the prior art, and will not be described herein.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims (10)

1. A coded lock convenient for code changing comprises a shell (100), wherein a code wheel assembly is arranged in the shell (100); the password wheel assembly comprises a lock rod (200) provided with a plurality of character wheel cores (300), and character wheels (400) capable of driving the character wheel cores (300) to rotate or rotate relatively are sleeved on the character wheel cores (300);

the method is characterized in that: the end part of the lock rod (200) is also provided with a code changing block (500), and the code changing block (500) can enable the character wheel core (300) to be separated from the character wheel (400) along the axis direction, so that the character wheel (400) can rotate relative to the character wheel core (300), and code changing is achieved.

2. The code change facilitating combination lock of claim 1, wherein: the code changing block (500) comprises a sleeve part (510), and the outer diameter of the sleeve part (510) is consistent with that of the character wheel core (300); the end part of the sleeve part (510) is provided with a poke rod (520) in a radial extending way.

3. The code change facilitating combination lock of claim 2, wherein: the coded wheel assembly is wrapped with a character wheel frame (600), the character wheel (400) and the character wheel core (300) are both arranged in the character wheel frame (600), and the lock rod (200) is movably arranged on the character wheel frame (600); the back of the character wheel frame (600) is provided with an L-shaped groove (610) which can contain the poke rod (520) to rotate, and the poke rod (520) is pressed down and then rotates, so that the L-shaped groove (610) can be locked.

4. The code change facilitating combination lock of claim 3, wherein: keep away from on locking lever (200) one pot head of piece (500) is equipped with reset spring (700), the tip of reset spring (700) withstands word wheel core (300) that is closest, promotes word wheel core (300) towards the direction of piece (500) of changing to the promotion piece (500) resets.

5. The code change facilitating combination lock of claim 1, wherein: the peripheral surface of the character wheel core (300) is provided with a plurality of positioning protrusions (310), and the positioning protrusions (310) are matched with the positioning grooves in the inner peripheral surface of the character wheel (400) to enable the character wheel (400) to drive the character wheel core (300) to rotate; the character wheel core (300) is displaced with the character wheel (400) under the action of the code changing block (500), the positioning protrusion (310) is separated from the positioning groove, and the character wheel (400) can rotate relative to the character wheel core (300).

6. The code change facilitating combination lock of claim 1, wherein: the code wheel assembly further comprises a code searching rod (800), a plurality of code searching claws (810) are arranged on the code searching rod (800), and code searching blocks (320) corresponding to the code searching claws (810) are arranged on the character wheel core (300).

7. The code change facilitating combination lock of claim 6, wherein: look for code block (320) integrated into one piece protruding to be established on the periphery of character wheel core (300), look for and be equipped with on code block (320) to sign indicating number face (a), look for the outer end of sign indicating number claw (810) with to sign indicating number face (a) cooperation.

8. The code change facilitating combination lock of claim 1, wherein: a mechanical lock assembly (900) capable of rotating relative to the shell (100) is further arranged in the shell in a penetrating mode, one end of the mechanical lock assembly (900) is connected with a lock plate (911), and the coded wheel assembly can enable the mechanical lock assembly (900) to have a locked state and an unlocked state; when the mechanical lock assembly (900) is in a locked state, the lock plate (911) can be rotated to unlock through a key; when the mechanical lock assembly (900) is in an unlocking state, the lock plate (911) can be directly rotated to unlock.

9. The code change facilitating combination lock of claim 8, wherein: the mechanical lock assembly (900) comprises a lock cylinder (910) and a lock shell (920), wherein the lock cylinder (910) and the lock shell (920) are locked by a blade; the lock sheet (911) is arranged at the end part of the lock cylinder (910).

10. The code change facilitating combination lock of claim 9, wherein: the end of the code wheel assembly is provided with a lock tongue (210), and the lock shell (920) is provided with a lock groove (921) corresponding to the lock tongue (210).

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