Multi-wheel type coded lock assembly

Abstract

The utility model belongs to the technical field of coded locks, and particularly relates to a multi-wheel type coded lock assembly which comprises a wheel shaft, a coded wheel assembly is assembled on the wheel shaft, an unlocking limiting groove used for unlocking the coded wheel assembly is formed in the wheel shaft, and an annular groove used for enabling the coded wheel assembly to axially rotate around the wheel shaft is formed in the wheel shaft. The password wheel assembly comprises a hub assembly and a number wheel assembly, the hub assembly comprises a first hub and a second hub which are rotationally connected and assembled through a bearing, and a first limiting block and a second limiting block which are used for being matched with the unlocking limiting groove and the annular groove are fixedly arranged on the inner diameter wall of the first hub and the inner diameter wall of the second hub correspondingly. The number wheel assembly comprises a first number wheel matched with the first hub and a second number wheel matched with the second hub, by means of the structure of the multi-password wheel assembly 2, the permutation and combination complexity of passwords is higher, and therefore higher safety protection is provided for valuables, confidential documents and the like stored behind a lock.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of coded lock, specifically a multi-wheel coded lock assembly. BACKGROUND

[0002] The coded lock has the following functions: first, it can set up a safe defense line for various articles and accurately prevent any unauthorized opening, thus effectively protecting the safety of property and giving the user no worries; second, it can successfully get rid of the shackles of traditional keys, so the user no longer needs to worry about the storage of keys, but only needs to remember the password to easily operate the lock at any time and anywhere, thus enjoying the convenience.

[0003] The existing coded lock mainly consists of the following parts: coded wheels, wheel hubs, axles, lock cores, shells, etc., and its working principle is as follows: the user manually rotates each number wheel according to the set password, and the coded wheel assembly is precisely matched with the limiting groove and ring groove on the axle, so that when all the password numbers are correct, the coded wheel assembly triggers the lock core mechanical structure to make the lock core unlock, and the lock can be opened; if the password is incorrect, the lock core remains locked and cannot be opened.

[0004] The existing coded lock has the following shortcomings: most traditional coded wheels adopt a simple single-wheel design, which cannot provide reliable security protection for valuable articles and confidential documents, resulting in the risk of theft of stored articles, and the traditional coded lock does not fully consider the needs of special user groups, almost without humanized consideration for the visually impaired and the visually impaired, which cannot attract customers who pay attention to the needs of vulnerable groups, resulting in a lack of humanistic care highlights of brand image, and in the market competition, it is at a disadvantage, especially in the field of public services, it is difficult to meet the diversified use needs of different users, and the practicality is greatly discounted; therefore, a multi-wheel coded lock assembly is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] In order to make up for the shortcomings of the existing coded lock, a multi-wheel coded lock assembly is proposed.

[0006] The utility model discloses a kind of multi-wheel type coded lock assemblies, including wheel shaft, the wheel shaft is equipped with coded wheel assembly, the wheel shaft is opened with the unlocking limiting slot for coded wheel assembly unlocking, the unlocking limiting slot is parallel with the central axis of wheel shaft, the wheel shaft is opened with the ring groove for coded wheel assembly rotates around wheel shaft axial rotation, the coded wheel assembly includes hub assembly and number wheel assembly, the hub assembly includes the first hub and the second hub of bearing rotation connection assembly, first limit block and second limit block for cooperating with unlocking limiting slot and ring groove are respectively fixedly arranged on the inner diameter wall of first hub and second hub, the number wheel assembly includes the first number wheel matched with first hub, and the second number wheel matched with second hub.

[0007] Preferably, the first hub is fixedly provided with a first clamping block on the circumferential side, the first number wheel is provided with a first clamping groove on the inner diameter wall matched with the first clamping block, the second hub is fixedly provided with a second clamping block on the circumferential side, and the second number wheel is provided with a second clamping groove on the inner diameter wall matched with the second clamping block.

[0008] Preferably, the first hub is larger than the second hub, and the inner diameter of the first number wheel is larger than the outer diameter of the second hub.

[0009] Preferably, the circumferential side of the first number wheel and the circumferential side of the second number wheel are both provided with numbers, and the circumferential side of the first number wheel and the circumferential side of the second number wheel are both provided with Braille beside the corresponding position of the numbers.

[0010] Preferably, the circumferential side of the first number wheel and the circumferential side of the second number wheel are both provided with assembly grooves at the numbers, and the assembly grooves are assembled with magnifying glasses.

[0011] The utility model discloses the beneficial effects of:

[0012] 1. Strong password security: the coded wheel assembly adopts a multi-wheel cooperative structure, and through the precise cooperation of the first hub, the second hub and the corresponding first number wheel and second number wheel, as well as the precise linkage of the first limit block, the second limit block and the unlocking limiting slot and the ring groove, the password combination increases exponentially, and the password possibility increases by a factor of every time a coded wheel assembly is added, which greatly improves the password cracking difficulty, provides an impregnable protection barrier for valuable articles and confidential documents, effectively resists illegal means such as brute force cracking and trial-and-error cracking, and ensures the absolute safety of the stored articles.

[0013] 2. Wide adaptability: through the design cooperation of Braille and magnifying glass, the market audience range is greatly widened, such humanized design can attract more customers who pay attention to the needs of vulnerable groups, improve the brand image and market share of the product, further enhance the practicality and market competitiveness of the product, and make the product shine in the field of public service. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings described herein are intended to provide further understanding of the present application, form a part of the application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0015] Figure 1 is a structural diagram of the whole of the present application;

[0016] Figure 2 is a structural diagram of the axle and hub assembly of the present application;

[0017] Figure 3 is a structural diagram of the hub assembly of the present application;

[0018] Figure 4 is a structural diagram of the assembly of the axle, hub assembly and number wheel assembly of the present application;

[0019] Figure 5 is a structural diagram of the number wheel assembly of the present application;

[0020] Figure 6 is a structural diagram of the number wheel assembly in the second embodiment of the present application;

[0021] Legend:

[0022] 1, axle; 2, password wheel assembly; 3, unlocking limiting groove; 4, ring groove; 5, hub assembly; 501, first hub; 5011, first limiting block; 5012, first clamping block; 502, second hub; 5021, second limiting block; 5022, second clamping block; 6, number wheel assembly; 601, first number wheel; 6011, first clamping groove; 602, second number wheel; 6021, second clamping groove; 7, number; 8, Braille; 9, assembly groove; 10, magnifying glass. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Specific embodiments are given below.

[0025] Embodiment one:

[0026] Please refer to Figures 1-5The utility model discloses a multi-wheel type coded lock assembly, including wheel shaft 1, the wheel shaft 1 is assembled with coded wheel assembly 2, the wheel shaft 1 is set up with the unlocking limit slot 3 for coded wheel assembly 2 unlocking, the unlocking limit slot 3 is parallel with the central axis of wheel shaft 1, the wheel shaft 1 is set up with the ring groove 4 for coded wheel assembly 2 around wheel shaft 1 axial rotation, the coded wheel assembly 2 includes hub assembly 5 and number wheel assembly 6, the hub assembly 5 includes the first hub 501 and second hub 502 of rotating connection assembly through bearing, the inner diameter wall of first hub 501 and second hub 502 is fixed respectively with first limit block 5011 and second limit block 5021 for with unlocking limit slot 3 and ring groove 4 cooperation, the number wheel assembly 6 includes the first number wheel 601 with first hub 501 cooperation, and the second number wheel 602 with second hub 502 cooperation, the first hub 501 is greater than second hub 502, and the inner diameter of first number wheel 601 is greater than the outer diameter of second hub 502;

[0027] The first hub 501's circumferential side is fixed with first clamping block 5012, and the inner diameter wall of first number wheel 601 is set up with first clamping block 5012 cooperation's first clamping groove 6011, and the circumferential side of second hub 502 is fixed with second clamping block 5022, and the inner diameter wall of second number wheel 602 is set up with second clamping block 5022 cooperation's second clamping groove 6021, when working, first, when assembling, first hub 501 and first number wheel 601 realize butt joint fitting through the designed first clamping block 5012 and first clamping groove 6011, ensure that in the rotating process, every rotation of first number wheel 601 can accurately and accurately transmit to first hub 501, similarly, second number wheel 602 and second hub 502 establish stable linkage through second clamping block 5022 and second clamping groove 6021, independently operate and cooperate consistently, in the initial state, first limit block 5011 and second limit block 5021 are stably placed in ring groove 4, and the initial position of hub assembly is limited, when the user unlocks, the finger touches and rotates first number wheel 601 and second number wheel 602, wherein first number wheel 601 drives first hub 501 to rotate synchronously, and second number wheel 602 drives second hub 502 to respond, to make first limit block 5011 and second limit block 5021 move smoothly along the predetermined track in ring groove 4;

[0028] The utility model discloses a password is various, when the user rotates first number wheel 601 and second number wheel 602 accurately to the position of coinciding with the preset password, the position of first limit block 5011 and second limit block 5021 just coincides with the unlocking limit slot 3 perfectly, when this password wheel subassembly 2 reaches the unlocking position, with the same method, other password wheel subassembly 2 is rotated to the unlocking position to complete unlocking, on the contrary, if in the rotating process, even if only the number of number wheel in one password wheel subassembly 2 has the deviation with the preset password, first limit block 5011 or second limit block 5021 cannot realize the matching with unlocking limit slot 3, then cannot complete unlocking, and in the scene of the configuration of multiple password wheel subassembly 2, corresponding number wheel in all components must be rotated to the correct password position, and all first limit block 5011 and second limit block 5021 coincide on respective unlocking limit slot 3 without error, can open the lock, this kind of layer by layer nested, mutual restriction design framework undoubtedly constructs a towering into the cloud, difficult to surmount "the Great Wall" for password cracking, the utility model discloses the structure of multiple password wheel subassembly 2, make the permutation and combination complexity of password higher, thereby provide higher safety protection for the valuable articles, confidential documents etc. stored in the lock.

[0029] Further, the first number wheel 601 and the second number wheel 602 are provided with numbers 7 on the circumferential side, and the first number wheel 601 and the second number wheel 602 are provided with Braille 8 beside the positions corresponding to the numbers 7 on the circumferential side. In operation, for normal users, when operating the password lock, the numbers 7 are directly observed by the naked eye according to the password in memory, and the first number wheel 601 and the second number wheel 602 are rotated in sequence for password setting or unlocking operation according to the conventional process. For visually impaired users, they rely on fingers to touch the circumferential side of the number wheel to complete the password operation. The fingers slide along the number wheel slowly, and when the Braille 8 area is touched, the digital information represented by the Braille is perceived by the sensitive tactile sensation of the fingertips. Since the Braille has a unique combination of raised textures corresponding to different numerical symbols, after a certain learning and familiarity, the visually impaired users can skillfully identify the password numbers by touching the Braille, and then rotate the number wheel accurately like normal users to complete the password setting and unlocking process, realize the demand of operating the password lock independently, and greatly expand the market audience range. This humanized design can attract more customers who pay attention to the needs of vulnerable groups, improve the brand image and market share of the product.

[0030] Embodiment two: please refer to Figure 6

[0031] Further, the first number wheel 601 and the second number wheel 602 are provided with an assembly groove 9 at the position of number 7 on the circumferential side, and a magnifying glass 10 is assembled in the assembly groove 9; when the user has certain visual impairment, the magnifying glass 10 assembled in the assembly groove 9 focuses light on the number 7 according to the optical refraction principle, and the originally unclear number is magnified through the magnifying glass, and becomes clear and bright, so that the user can easily capture the number form, and the user can accurately rotate the number wheel to the required password number position according to the magnified number display, so as to ensure accurate password input every time; for the old people or the user group with visual problems such as presbyopia and myopia, the design of the magnifying glass is undoubtedly a timely rain, which greatly improves their experience of using the password lock, further enhances the practicality and market competitiveness of the product, and makes the product outstanding in the public service field.

[0032] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A multi-wheeled combination lock assembly, characterized by: The application relates to a wheel axle (1) provided with a cipher wheel assembly (2), the wheel axle (1) is provided with an unlocking limiting groove (3) for unlocking the cipher wheel assembly (2), the unlocking limiting groove (3) is parallel to the central axis of the wheel axle (1), the wheel axle (1) is provided with a ring groove (4) for the axial rotation of the cipher wheel assembly (2) around the wheel axle (1), the cipher wheel assembly (2) comprises a hub assembly (5) and a number wheel assembly (6), the hub assembly (5) comprises a first hub (501) and a second hub (502) rotationally connected by bearings, the inner diameter walls of the first hub (501) and the second hub (502) are respectively provided with a first limiting block (5011) and a second limiting block (5021) for cooperating with the unlocking limiting groove (3) and the ring groove (4), the number wheel assembly (6) comprises a first number wheel (601) matched with the first hub (501) and a second number wheel (602) matched with the second hub (502).

2. A multi-wheeled combination lock assembly according to claim 1, wherein: The first hub (501) is provided with a first clamping block (5012) on the circumferential side, the first number wheel (601) is provided with a first clamping groove (6011) on the inner diameter wall for cooperating with the first clamping block (5012), the second hub (502) is provided with a second clamping block (5022) on the circumferential side, and the second number wheel (602) is provided with a second clamping groove (6021) on the inner diameter wall for cooperating with the second clamping block (5022).

3. A multi-wheeled combination lock assembly as defined in claim 1, wherein: The first hub (501) is larger than the second hub (502), and the inner diameter of the first number wheel (601) is larger than the outer diameter of the second hub (502).

4. A multi-wheeled combination lock assembly as defined in claim 1, wherein: The circumferential sides of the first number wheel (601) and the second number wheel (602) are provided with numbers (7), and the circumferential sides of the first number wheel (601) and the second number wheel (602) are provided with Braille (8) beside the corresponding positions of the numbers (7).

5. A multi-wheeled combination lock assembly as defined in claim 1 wherein: The circumferential sides of the first number wheel (601) and the second number wheel (602) are provided with assembling grooves (9) at the positions of the numbers (7), and the assembling grooves (9) are provided with magnifying glasses (10).

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