阅读说明：本技术 一种双开密码锁 (Double-opening coded lock ) 是由 李柏 钟洪亮 薛鹤飞 徐雨莎 徐文韬 于 2019-09-06 设计创作，主要内容包括：本发明设计锁具技术领域,具体设计一种双开密码锁,与现有技术相比,第一组正确密码和第二组正确密码能够独立地使用,操作密码切换推扭带动托架至对应位置后,在密码轮输入对应的正确密码,弹性件即能顶起托架解除对传动组件的限制以解锁,满足通过一个密码组件实现两组正确密码独立地开锁的需求,适用范围更广。其中第一组正确密码为普通使用者,设定和使用均类同常用密码,第二组正确密码是一固定码,通过移动终端对锁体自带识别码扫描获取给指定人员,从而达到开锁目的,作用可以实现远程维护和远程开锁的目的,实现指定人员开锁时起到后台管理,解决了以前的锁芯加密码的搭配,锁芯安全性能差的缺点。(the invention relates to the technical field of locks, in particular to a double-opening coded lock. The first group of correct passwords are common users, the same common passwords are set and used, the second group of correct passwords are fixed codes, and the lock body is scanned with the identification code by the mobile terminal to obtain the identification code to appointed personnel, so that the unlocking purpose is achieved, the remote maintenance and remote unlocking purpose can be realized, background management is realized when the appointed personnel unlock, and the defects of the former lock core encryption code collocation and poor lock core safety performance are overcome.)

1. A double-opening coded lock comprises a lock shell, a coded component, a transmission component and a lock tongue for locking an object, wherein the lock tongue, the transmission component and the coded component are arranged on the lock shell, the lock tongue is controlled by the transmission component, and the transmission component is controlled by the coded component to open and close; the method is characterized in that: the password assembly comprises a bracket, a central rod and more than two password wheels, each password wheel is provided with an inner sleeve in a penetrating way, the password wheels and the corresponding inner sleeves rotate together, and the central rod penetrates through the inner sleeves; the bottom of the bracket is provided with an elastic piece, and after the password wheel inputs a correct password, the elastic piece jacks up the bracket to remove the limitation on the transmission assembly; the top of the bracket is provided with a clamping protrusion, the password wheel is provided with a first alignment groove, and a first group of correct passwords are formed when the clamping protrusion is embedded into the first alignment groove in an aligned manner; the inner sleeve is provided with a second alignment groove, the double-opening coded lock further comprises a code switching push button, the code switching push button can drive the clamping protrusions of the brackets to align the inner sleeve, and when the clamping protrusions align and are embedded into the second alignment groove, a second group of correct codes is formed.

2. A double throw combination lock as defined in claim 1, wherein: the double-opening coded lock is provided with an identification code, the mobile terminal reads information of the identification code and sends the information to the processor, and the processor outputs the second group of correct codes to the mobile terminal according to the received information.

3. A double throw combination lock as defined in claim 1, wherein: the password switching push button is provided with an inclined pushing portion, the bracket is provided with an inclined force bearing portion, and the pushing portion pushes against the force bearing portion to drive the bracket to move transversely.

4. A double throw combination lock as defined in claim 1, wherein: the elastic component comprises a lifting block and a supporting spring, the lifting block abuts against the bracket, the supporting spring jacks the lifting block, the lifting block is provided with a limiting portion used for abutting against the transmission assembly, and after the password wheel inputs a correct password, the supporting spring pushes the lifting block and the bracket to move upwards, so that the limiting portion and the transmission assembly are staggered to unlock.

5. A double throw combination lock as defined in claim 4, wherein: one side of the bracket is provided with a rotating shaft hinged with the lock shell, the lifting block props against the other side of the bracket, and the rotating shaft is sleeved with a return spring which applies transverse restoring force to the bracket.

6. A double throw combination lock as defined in claim 4, wherein: the transmission assembly comprises a transmission plate and an unlocking push button, one end of the transmission plate is abutted to the lock bolt, the other end of the transmission plate can be limited by the lifting block, after a correct password is input into the password wheel, the unlocking push button can drive the transmission plate to move so as to unlock, and the transmission assembly further comprises an acting force reset spring which is used for applying an acting force towards the lock bolt to the transmission plate.

7. A double throw combination lock as defined in claim 6, wherein: the double-opening coded lock further comprises a guide stop block and a limiting spring, wherein the stop block is matched with the lifting block through an inclined plane, and the guide stop block is elastically abutted against the lifting block through the limiting spring.

8. A double throw combination lock as defined in claim 6, wherein: this two trick locks that open still including being fixed in the fixed briquetting of lock shell, the layer board is installed on the fixed briquetting, the driving plate orientation passes fixed briquetting, the piece that goes up and down inlays in the fixed briquetting.

9. A double throw combination lock as defined in claim 1, wherein: the lock shell comprises a lock bottom plate and a shell body which jointly form an inner cavity, and the lock bottom plate is fixedly connected with the shell body through screws.

Technical Field

The invention relates to the technical field of locks, in particular to a double-opening coded lock.

background

The coded lock is generally provided with the code assembly, a user unlocks the coded lock by rotating the code wheel of the code assembly to a correct code position without carrying a key, and the unlocking number can be changed at any time, so that the coded lock is very convenient, high in security and good in safety. The password subassembly of current trick lock can only be unblanked through a set of password under the condition of not resetting the password, if forget this password then can't unblank, leads to whole lock can't continue to use even. The existing coded lock cannot meet the use requirements of certain special situations, such as scenes: the locked objects are managed independently by two administrators, i.e. when a lock is used independently by two persons, if one person resets the password, the other person cannot unlock the lock without knowing the new password. The lock with the unlocking function of the password assembly and the key lock cylinder is also available in the market, but the key lock cylinder has poor safety performance.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention provides a double-opening coded lock which can realize independent unlocking of two groups of codes through one code component.

in order to achieve the purpose, the invention provides the following technical scheme:

the double-opening coded lock comprises a lock shell, a coded component, a transmission component and a lock tongue for locking an object, wherein the lock tongue, the transmission component and the coded component are arranged on the lock shell, the lock tongue is controlled by the transmission component, and the transmission component is controlled by the coded component to open and close; the password assembly comprises a bracket, a central rod and more than two password wheels, each password wheel is provided with an inner sleeve in a penetrating way, the password wheels and the corresponding inner sleeves rotate together, and the central rod penetrates through the inner sleeves; the bottom of the bracket is provided with an elastic piece, and after the password wheel inputs a correct password, the elastic piece jacks up the bracket to remove the limitation on the transmission assembly; the top of the bracket is provided with a clamping protrusion, the password wheel is provided with a first alignment groove, and a first group of correct passwords are formed when the clamping protrusion is embedded into the first alignment groove in an aligned manner; the inner sleeve is provided with a second alignment groove, the double-opening coded lock further comprises a code switching push button, the code switching push button can drive the clamping protrusions of the brackets to align the inner sleeve, and when the clamping protrusions align and are embedded into the second alignment groove, a second group of correct codes is formed.

as a further improvement of the double-opening coded lock, the double-opening coded lock is provided with an identification code, the mobile terminal reads information of the identification code and sends the information to the processor, and the processor outputs the second group of correct codes to the mobile terminal according to the received information.

As a further improvement of the double-opening coded lock, the code switching push button is provided with an inclined pushing part, the bracket is provided with an inclined stressed part, and the pushing part pushes against the stressed part to drive the bracket to transversely move.

As a further improvement of the double-opening coded lock, the elastic piece comprises a lifting block and a supporting spring, the lifting block props against the bracket, the supporting spring props up the lifting block, the lifting block is provided with a limiting part used for propping against the transmission assembly, and after a correct code is input into the code wheel, the supporting spring pushes the lifting block and the bracket to move upwards so that the limiting part and the transmission assembly are staggered to unlock.

As a further improvement of the double-opening coded lock, one side of the bracket is provided with a rotating shaft hinged to the lock shell, the lifting block props against the other side of the bracket, and the rotating shaft is sleeved with a return spring which applies transverse restoring force to the bracket.

As a further improvement of the double-opening coded lock, the transmission assembly comprises a transmission plate and an unlocking push button, one end of the transmission plate props against the lock tongue, the other end of the transmission plate can be limited by the lifting block, the unlocking push button can drive the transmission plate to move to unlock after the code wheel inputs a correct code, and the transmission assembly further comprises a return spring used for applying an acting force towards the lock tongue to the transmission plate.

As a further improvement of the double-opening coded lock, the double-opening coded lock further comprises a guide stop block and a limiting spring, the stop block is matched with the lifting block through an inclined surface, and the guide stop block elastically props against the lifting block through the limiting spring.

As a further improvement of the double-opening coded lock, the double-opening coded lock further comprises a fixed pressing block fixed on the lock shell, the supporting plate is installed on the fixed pressing block, the transmission plate penetrates through the fixed pressing block in a directional mode, and the lifting block is embedded in the fixed pressing block.

as a further improvement of the double-opening coded lock, the lock shell comprises a lock bottom plate and a shell body which jointly form an inner cavity, and the lock bottom plate is fixedly connected with the shell body through screws.

The invention has the beneficial effects that:

Compared with the prior art, the double-opening coded lock has the advantages that the clamping protrusions are arranged at the tops of the brackets, the code wheels are provided with the first aligning grooves, the inner sleeves are provided with the second aligning grooves, the first group of correct codes are formed when the clamping protrusions are aligned and embedded into the first aligning grooves, the second group of correct codes are formed when the clamping protrusions are aligned and embedded into the second aligning grooves, and the clamping protrusions of the brackets can be driven to align with the inner sleeves or align with the code wheels by operating the code switching push buttons. In the in-service use, the correct password of first group and the correct password of second group can use independently, and the operation password switches to push away the wrench driving bracket to corresponding position after, at the correct password that the password wheel input corresponds, the elastic component can jack up the bracket promptly and remove the restriction to drive assembly with the unblock, satisfies the demand that realizes two sets of correct passwords independently to unblank through a password subassembly, and application scope is wider.

in addition, the first group of correct passwords are common users, the same common passwords as the common passwords are set and used, the second group of correct passwords are fixed codes, and the lock body is scanned with the identification code by the mobile terminal to obtain the identification code to appointed personnel, so that the unlocking purpose is achieved, the remote maintenance and remote unlocking purpose can be realized, the background management is realized when the appointed personnel unlock, and the defects of the former lock core encryption code collocation and poor safety performance of the lock core are overcome.

Drawings

Fig. 1 is a perspective view of a combination lock in an embodiment.

Fig. 2 is a perspective view of the combination lock in the embodiment after hiding the case body.

Fig. 3 is a perspective view of fig. 2 with the fixed pressing block hidden.

Fig. 4 is a perspective view of one cipher wheel in the embodiment in cooperation with one inner sleeve.

Fig. 5 is a perspective view of the bracket in the embodiment.

Reference numerals:

the lock comprises a lock shell 1, a lock bottom plate 11 and a shell body 12;

The password component 2, the bracket 21, the rotating shaft 211, the cross beam 212, the clamping protrusion 213, the force bearing part 214, the return spring 22, the central rod 23, the password wheel 24, the annular protrusion 241, the first alignment groove 2411, the inner sleeve 25 and the second alignment groove 251;

The elastic piece 3, the lifting block 31, the limiting part 311 and the supporting spring 32;

The transmission assembly 4, a transmission plate 41, an unlocking push button 42 and a return spring 43;

A lock tongue 5;

A password switching push button 6 and a push part 61;

a fixed pressing block 7;

Guide stop 8, spacing spring 9.

Detailed Description

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

A two-open trick lock of this embodiment, as shown in fig. 1 to 5, including lock shell 1, trick assembly 2, drive assembly 4 and two spring bolts 5 for pinning the article, lock shell 1 includes a lock bottom plate 11 and a shell body 12 that form the inner chamber jointly, passes through screw fixed connection between lock bottom plate 11 and the shell body 12, and spring bolt 5, drive assembly 4 and trick assembly 2 install in lock shell 1, and spring bolt 5 is controlled by drive assembly 4, and drive assembly 4 is controlled by trick assembly 2 in order to open the shutting. In particular, the combination assembly 2 comprises a bracket 21, a central rod 23 and three combination wheels 24, the combination wheels 24 being partially exposed from the lock housing 1 for a user to operate to input a correct combination. Each password wheel 24 is provided with an inner sleeve 25 in a penetrating way, the password wheel 24 and the corresponding inner sleeve 25 rotate together, the central rod 23 movably penetrates through the inner sleeves 25, and the central rod 23 is only used for stringing the three inner sleeves 25 without opening and locking. One side of the bracket 21 is provided with a rotating shaft 211 hinged to the lock case 1, and the rotating shaft 211 is sleeved with a return spring 22 for applying a transverse restoring force to the bracket 21. The elastic member 3 is arranged at the bottom of the other side of the bracket 21, and after the code wheel 24 inputs the correct code, the elastic member 3 jacks the bracket 21 to remove the limitation on the transmission assembly 4. The bracket 21 is provided with four beams 212, a V-shaped clamping protrusion 213 is arranged at the top of each beam 212, an annular protrusion 241 is arranged at the side part of the password wheel 24, a V-shaped first alignment groove 2411 is arranged at the outer side of the annular protrusion 241, and a first group of correct passwords is formed when the clamping protrusion 213 is aligned and embedded in the first alignment groove 2411. The inner sleeve 25 is provided with a V-shaped second alignment groove 251, and the double-opening combination lock further comprises a combination switching push button 6, the combination switching push button 6 can be operated to drive the clamping protrusion 213 of the bracket 21 to align with the inner sleeve 25, and a second group of correct combinations is formed when the clamping protrusion 213 is aligned with and embedded in the second alignment groove 251.

In practical use, the first set of correct passwords and the second set of correct passwords can be independently used, when the lock needs to be unlocked by using the first set of correct passwords, the password switching push button 6 is operated to drive the clamping protrusions 213 of the bracket 21 to align with the annular protrusions 241 of the password wheel 24, the password wheel 24 is rotated to the first set of correct passwords, so that the clamping protrusions 213 of the bracket 21 are aligned and embedded in the first alignment grooves 2411, namely, the bracket 21 moves upwards, so that a space is left for the elastic member 3 to move upwards to release the restriction on the transmission assembly 4 for unlocking. When the second group of correct passwords is needed to unlock the lock, the password switching push button 6 is operated to drive the clamping protrusions 213 of the bracket 21 to align with the inner sleeve 25, the password wheel 24 is rotated to the second group of correct passwords, so that the clamping protrusions 213 of the bracket 21 align with the second alignment grooves 251 of the inner sleeve 25, and similarly, the elastic member 3 can jack up the bracket 21 to remove the limitation on the transmission assembly 4, and the lock tongue 5 and the transmission assembly 4 can move rightwards to unlock the lock. In summary, the demand that the trick lock of this embodiment satisfies to realize two sets of correct passwords independently and unblank through a password subassembly 2, and application scope is wider, for example by the independent management of two managers of article by the lock, when a lock is used by two people jointly independently promptly, two managers can independently set up the password and manage.

Specifically, push away to turn round 6 at the password switching and be provided with the two-dimensional code, only scan can acquire behind the two-dimensional code the correct password of second group, after the user forgets the correct password of first group, can pass through the treater through the scanning two-dimensional code and acquire the correct password of second group. Or in special environment, such as customs, the password unlocking can be obtained by scanning the two-dimensional code, so that the management is facilitated. In practice, the two-dimension code can be changed into other identification codes such as bar codes or electronic labels, the mobile terminal reads the information of the identification codes and sends the information to the processor, and the processor outputs the second group of correct passwords to the mobile terminal according to the received information. The first group of correct passwords are common users, the same common passwords are set and used, the second group of correct passwords are fixed codes, and the lock body is scanned with the identification code by the mobile terminal to obtain the identification code to appointed personnel, so that the unlocking purpose is achieved, the remote maintenance and remote unlocking purpose can be realized, background management is realized when the appointed personnel unlock, and the defects of the former lock core encryption code collocation and poor lock core safety performance are overcome.

Specifically, the password switching push button 6 is provided with an inclined V-shaped abutting portion 61, the bracket 21 is provided with an inclined V-shaped force receiving portion 214, the abutting portion 61 abuts against the force receiving portion 214, when the password switching push button 6 is operated to drive the bracket 21 to move leftward, if the bracket 21 is transversely clamped by the password wheel 24 or the inner sleeve 25, the password switching push button 6 continues to apply force to the force receiving portion 214 of the bracket 21 leftward, so that the bracket 21 can be driven to move downward to prevent the bracket 21 from being transversely clamped, and smooth password switching is ensured.

specifically, the elastic member 3 includes a lifting block 31 and a supporting spring 32, the lifting block 31 abuts against the bottom of one side of the bracket 21, the supporting spring 32 abuts against the lifting block 31, the lifting block 31 is provided with a limiting portion 311 for abutting against the transmission assembly 4, and after the password wheel 24 inputs a correct password, the supporting spring 32 pushes the lifting block 31 and the bracket 21 to move upwards, so that the limiting portion 311 is staggered with the transmission assembly 4 to unlock.

Specifically, drive assembly 4 includes driving plate 41 and the push button 42 of unblanking, and driving plate 41 one end withstands spring bolt 5, and the other end can be spacing by elevator 31, and after password wheel 24 input the correct password, unblank push button 42 can drive driving plate 41 and remove in order to unblank, and drive assembly 4 still includes and is used for exerting effort reset spring 43 towards spring bolt 5 to driving plate 41, loosens to unblank and pushes button 42 after, and spring bolt 5 can reset.

Specifically, this trick lock still includes direction dog 8 and spacing spring 9, passes through the inclined plane cooperation between dog and the elevator 31, and direction dog 8 supports elevator 31 through spacing spring 9 elastically, and the effect is that supplementary elevator 31 can only reciprocate, can not lateral shifting.

Specifically, this two trick locks that open still including being fixed in the fixed briquetting 7 of lock shell 1, the layer board is installed on fixed briquetting 7, and fixed briquetting 7 is passed in the orientation of driving plate 41, and the elevator 31 inlays in fixed briquetting 7, the assembly of being convenient for, and the structure is compacter.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.